diff options
| author | K. S. Ernest (iFire) Lee <ernest.lee@chibifire.com> | 2022-01-18 04:39:55 -0800 |
|---|---|---|
| committer | K. S. Ernest (iFire) Lee <ernest.lee@chibifire.com> | 2022-02-04 15:15:26 -0800 |
| commit | 419b342a9a716426159f7a51ae17390386ecc884 (patch) | |
| tree | c42a9c3a41e94fa501ca09d0605ee44b88c3c9ef /thirdparty | |
| parent | 992794e44a47a7adddce589bd68ad71402d5ba66 (diff) | |
Faster CVTT by reducing quality.
Make BC6 and BC7 CVTT faster while still having better quality than DXT5.
Diffstat (limited to 'thirdparty')
36 files changed, 14465 insertions, 7606 deletions
diff --git a/thirdparty/README.md b/thirdparty/README.md index e1f911a9f9..34c33c3b56 100644 --- a/thirdparty/README.md +++ b/thirdparty/README.md @@ -52,13 +52,13 @@ Includes some patches in the `patches` folder which have been sent upstream. ## cvtt -- Upstream: https://github.com/elasota/cvtt -- Version: 1.0.0-beta4 (cc8472a04ba110fe999c686d07af40f7839051fd, 2018) +- Upstream: https://github.com/elasota/ConvectionKernels +- Version: git (dc2dbbe0ae2cf2be06ef56d1021e2222a56c7fe2, 2021) - License: MIT Files extracted from upstream source: -- all .cpp, .h, and .txt files in ConvectionKernels/ +- all .cpp, .h, and .txt files except the folders MakeTables and etc2packer. ## doctest diff --git a/thirdparty/cvtt/ConvectionKernels.cpp b/thirdparty/cvtt/ConvectionKernels.cpp deleted file mode 100644 index 8d379344e1..0000000000 --- a/thirdparty/cvtt/ConvectionKernels.cpp +++ /dev/null @@ -1,7586 +0,0 @@ -/* -Convection Texture Tools -Copyright (c) 2018 Eric Lasota - -Permission is hereby granted, free of charge, to any person obtaining -a copy of this software and associated documentation files (the -"Software"), to deal in the Software without restriction, including -without limitation the rights to use, copy, modify, merge, publish, -distribute, sublicense, and/or sell copies of the Software, and to -permit persons to whom the Software is furnished to do so, subject -to the following conditions: - -The above copyright notice and this permission notice shall be included -in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -------------------------------------------------------------------------------------- - -Portions based on DirectX Texture Library (DirectXTex) - -Copyright (c) Microsoft Corporation. All rights reserved. -Licensed under the MIT License. - -http://go.microsoft.com/fwlink/?LinkId=248926 -*/ -#include "ConvectionKernels.h" -#include "ConvectionKernels_BC7_SingleColor.h" - -#if (defined(_M_IX86_FP) && _M_IX86_FP >= 2) || defined(_M_X64) || defined(__SSE2__) -#define CVTT_USE_SSE2 -#endif - -#ifdef CVTT_USE_SSE2 -#include <emmintrin.h> -#endif - -#include <float.h> -#include <assert.h> -#include <string.h> -#include <algorithm> -#include <math.h> - -#define UNREFERENCED_PARAMETER(n) ((void)n) - -namespace cvtt -{ -#ifdef CVTT_USE_SSE2 - // SSE2 version - struct ParallelMath - { - typedef uint16_t ScalarUInt16; - typedef int16_t ScalarSInt16; - - template<unsigned int TRoundingMode> - struct RoundForScope - { - unsigned int m_oldCSR; - - RoundForScope() - { - m_oldCSR = _mm_getcsr(); - _mm_setcsr((m_oldCSR & ~_MM_ROUND_MASK) | (TRoundingMode)); - } - - ~RoundForScope() - { - _mm_setcsr(m_oldCSR); - } - }; - - struct RoundTowardZeroForScope : RoundForScope<_MM_ROUND_TOWARD_ZERO> - { - }; - - struct RoundTowardNearestForScope : RoundForScope<_MM_ROUND_NEAREST> - { - }; - - struct RoundUpForScope : RoundForScope<_MM_ROUND_UP> - { - }; - - struct RoundDownForScope : RoundForScope<_MM_ROUND_DOWN> - { - }; - - static const int ParallelSize = 8; - - enum Int16Subtype - { - IntSubtype_Signed, - IntSubtype_UnsignedFull, - IntSubtype_UnsignedTruncated, - IntSubtype_Abstract, - }; - - template<int TSubtype> - struct VInt16 - { - __m128i m_value; - - inline VInt16 operator+(int16_t other) const - { - VInt16 result; - result.m_value = _mm_add_epi16(m_value, _mm_set1_epi16(static_cast<int16_t>(other))); - return result; - } - - inline VInt16 operator+(const VInt16 &other) const - { - VInt16 result; - result.m_value = _mm_add_epi16(m_value, other.m_value); - return result; - } - - inline VInt16 operator|(const VInt16 &other) const - { - VInt16 result; - result.m_value = _mm_or_si128(m_value, other.m_value); - return result; - } - - inline VInt16 operator&(const VInt16 &other) const - { - VInt16 result; - result.m_value = _mm_and_si128(m_value, other.m_value); - return result; - } - - inline VInt16 operator-(const VInt16 &other) const - { - VInt16 result; - result.m_value = _mm_sub_epi16(m_value, other.m_value); - return result; - } - - inline VInt16 operator<<(int bits) const - { - VInt16 result; - result.m_value = _mm_slli_epi16(m_value, bits); - return result; - } - }; - - typedef VInt16<IntSubtype_Signed> SInt16; - typedef VInt16<IntSubtype_UnsignedFull> UInt16; - typedef VInt16<IntSubtype_UnsignedTruncated> UInt15; - typedef VInt16<IntSubtype_Abstract> AInt16; - - template<int TSubtype> - struct VInt32 - { - __m128i m_values[2]; - - inline VInt32 operator+(const VInt32& other) const - { - VInt32 result; - result.m_values[0] = _mm_add_epi32(m_values[0], other.m_values[0]); - result.m_values[1] = _mm_add_epi32(m_values[1], other.m_values[1]); - return result; - } - - inline VInt32 operator-(const VInt32& other) const - { - VInt32 result; - result.m_values[0] = _mm_sub_epi32(m_values[0], other.m_values[0]); - result.m_values[1] = _mm_sub_epi32(m_values[1], other.m_values[1]); - return result; - } - - inline VInt32 operator<<(const int other) const - { - VInt32 result; - result.m_values[0] = _mm_slli_epi32(m_values[0], other); - result.m_values[1] = _mm_slli_epi32(m_values[1], other); - return result; - } - }; - - typedef VInt32<IntSubtype_Signed> SInt32; - typedef VInt32<IntSubtype_UnsignedTruncated> UInt31; - typedef VInt32<IntSubtype_UnsignedFull> UInt32; - typedef VInt32<IntSubtype_Abstract> AInt32; - - template<class TTargetType> - struct LosslessCast - { -#ifdef CVTT_PERMIT_ALIASING - template<int TSrcSubtype> - static const TTargetType& Cast(const VInt32<TSrcSubtype> &src) - { - return reinterpret_cast<VInt32<TSubtype>&>(src); - } - - template<int TSrcSubtype> - static const TTargetType& Cast(const VInt16<TSrcSubtype> &src) - { - return reinterpret_cast<VInt16<TSubtype>&>(src); - } -#else - template<int TSrcSubtype> - static TTargetType Cast(const VInt32<TSrcSubtype> &src) - { - TTargetType result; - result.m_values[0] = src.m_values[0]; - result.m_values[1] = src.m_values[1]; - return result; - } - - template<int TSrcSubtype> - static TTargetType Cast(const VInt16<TSrcSubtype> &src) - { - TTargetType result; - result.m_value = src.m_value; - return result; - } -#endif - }; - - struct Int64 - { - __m128i m_values[4]; - }; - - struct Float - { - __m128 m_values[2]; - - inline Float operator+(const Float &other) const - { - Float result; - result.m_values[0] = _mm_add_ps(m_values[0], other.m_values[0]); - result.m_values[1] = _mm_add_ps(m_values[1], other.m_values[1]); - return result; - } - - inline Float operator+(float other) const - { - Float result; - result.m_values[0] = _mm_add_ps(m_values[0], _mm_set1_ps(other)); - result.m_values[1] = _mm_add_ps(m_values[1], _mm_set1_ps(other)); - return result; - } - - inline Float operator-(const Float& other) const - { - Float result; - result.m_values[0] = _mm_sub_ps(m_values[0], other.m_values[0]); - result.m_values[1] = _mm_sub_ps(m_values[1], other.m_values[1]); - return result; - } - - inline Float operator-() const - { - Float result; - result.m_values[0] = _mm_sub_ps(_mm_setzero_ps(), m_values[0]); - result.m_values[1] = _mm_sub_ps(_mm_setzero_ps(), m_values[1]); - return result; - } - - inline Float operator*(const Float& other) const - { - Float result; - result.m_values[0] = _mm_mul_ps(m_values[0], other.m_values[0]); - result.m_values[1] = _mm_mul_ps(m_values[1], other.m_values[1]); - return result; - } - - inline Float operator*(float other) const - { - Float result; - result.m_values[0] = _mm_mul_ps(m_values[0], _mm_set1_ps(other)); - result.m_values[1] = _mm_mul_ps(m_values[1], _mm_set1_ps(other)); - return result; - } - - inline Float operator/(const Float &other) const - { - Float result; - result.m_values[0] = _mm_div_ps(m_values[0], other.m_values[0]); - result.m_values[1] = _mm_div_ps(m_values[1], other.m_values[1]); - return result; - } - - inline Float operator/(float other) const - { - Float result; - result.m_values[0] = _mm_div_ps(m_values[0], _mm_set1_ps(other)); - result.m_values[1] = _mm_div_ps(m_values[1], _mm_set1_ps(other)); - return result; - } - }; - - struct Int16CompFlag - { - __m128i m_value; - - inline Int16CompFlag operator&(const Int16CompFlag &other) const - { - Int16CompFlag result; - result.m_value = _mm_and_si128(m_value, other.m_value); - return result; - } - - inline Int16CompFlag operator|(const Int16CompFlag &other) const - { - Int16CompFlag result; - result.m_value = _mm_or_si128(m_value, other.m_value); - return result; - } - }; - - struct FloatCompFlag - { - __m128 m_values[2]; - }; - - template<int TSubtype> - static VInt16<TSubtype> AbstractAdd(const VInt16<TSubtype> &a, const VInt16<TSubtype> &b) - { - VInt16<TSubtype> result; - result.m_value = _mm_add_epi16(a.m_value, b.m_value); - return result; - } - - template<int TSubtype> - static VInt16<TSubtype> AbstractSubtract(const VInt16<TSubtype> &a, const VInt16<TSubtype> &b) - { - VInt16<TSubtype> result; - result.m_value = _mm_sub_epi16(a.m_value, b.m_value); - return result; - } - - static Float Select(const FloatCompFlag &flag, const Float &a, const Float &b) - { - Float result; - for (int i = 0; i < 2; i++) - result.m_values[i] = _mm_or_ps(_mm_and_ps(flag.m_values[i], a.m_values[i]), _mm_andnot_ps(flag.m_values[i], b.m_values[i])); - return result; - } - - template<int TSubtype> - static VInt16<TSubtype> Select(const Int16CompFlag &flag, const VInt16<TSubtype> &a, const VInt16<TSubtype> &b) - { - VInt16<TSubtype> result; - result.m_value = _mm_or_si128(_mm_and_si128(flag.m_value, a.m_value), _mm_andnot_si128(flag.m_value, b.m_value)); - return result; - } - - template<int TSubtype> - static VInt16<TSubtype> SelectOrZero(const Int16CompFlag &flag, const VInt16<TSubtype> &a) - { - VInt16<TSubtype> result; - result.m_value = _mm_and_si128(flag.m_value, a.m_value); - return result; - } - - template<int TSubtype> - static void ConditionalSet(VInt16<TSubtype> &dest, const Int16CompFlag &flag, const VInt16<TSubtype> &src) - { - dest.m_value = _mm_or_si128(_mm_andnot_si128(flag.m_value, dest.m_value), _mm_and_si128(flag.m_value, src.m_value)); - } - - static SInt16 ConditionalNegate(const Int16CompFlag &flag, const SInt16 &v) - { - SInt16 result; - result.m_value = _mm_add_epi16(_mm_xor_si128(flag.m_value, v.m_value), _mm_srli_epi16(flag.m_value, 15)); - return result; - } - - template<int TSubtype> - static void NotConditionalSet(VInt16<TSubtype> &dest, const Int16CompFlag &flag, const VInt16<TSubtype> &src) - { - dest.m_value = _mm_or_si128(_mm_and_si128(flag.m_value, dest.m_value), _mm_andnot_si128(flag.m_value, src.m_value)); - } - - static void ConditionalSet(Float &dest, const FloatCompFlag &flag, const Float &src) - { - for (int i = 0; i < 2; i++) - dest.m_values[i] = _mm_or_ps(_mm_andnot_ps(flag.m_values[i], dest.m_values[i]), _mm_and_ps(flag.m_values[i], src.m_values[i])); - } - - static void NotConditionalSet(Float &dest, const FloatCompFlag &flag, const Float &src) - { - for (int i = 0; i < 2; i++) - dest.m_values[i] = _mm_or_ps(_mm_and_ps(flag.m_values[i], dest.m_values[i]), _mm_andnot_ps(flag.m_values[i], src.m_values[i])); - } - - static void MakeSafeDenominator(Float& v) - { - ConditionalSet(v, Equal(v, MakeFloatZero()), MakeFloat(1.0f)); - } - - static SInt16 TruncateToPrecisionSigned(const SInt16 &v, int precision) - { - int lostBits = 16 - precision; - if (lostBits == 0) - return v; - - SInt16 result; - result.m_value = _mm_srai_epi16(_mm_slli_epi16(v.m_value, lostBits), lostBits); - return result; - } - - static UInt16 TruncateToPrecisionUnsigned(const UInt16 &v, int precision) - { - int lostBits = 16 - precision; - if (lostBits == 0) - return v; - - UInt16 result; - result.m_value = _mm_srli_epi16(_mm_slli_epi16(v.m_value, lostBits), lostBits); - return result; - } - - static UInt16 Min(const UInt16 &a, const UInt16 &b) - { - __m128i bitFlip = _mm_set1_epi16(-32768); - - UInt16 result; - result.m_value = _mm_xor_si128(_mm_min_epi16(_mm_xor_si128(a.m_value, bitFlip), _mm_xor_si128(b.m_value, bitFlip)), bitFlip); - return result; - } - - static SInt16 Min(const SInt16 &a, const SInt16 &b) - { - SInt16 result; - result.m_value = _mm_min_epi16(a.m_value, b.m_value); - return result; - } - - static UInt15 Min(const UInt15 &a, const UInt15 &b) - { - UInt15 result; - result.m_value = _mm_min_epi16(a.m_value, b.m_value); - return result; - } - - static Float Min(const Float &a, const Float &b) - { - Float result; - for (int i = 0; i < 2; i++) - result.m_values[i] = _mm_min_ps(a.m_values[i], b.m_values[i]); - return result; - } - - static UInt16 Max(const UInt16 &a, const UInt16 &b) - { - __m128i bitFlip = _mm_set1_epi16(-32768); - - UInt16 result; - result.m_value = _mm_xor_si128(_mm_max_epi16(_mm_xor_si128(a.m_value, bitFlip), _mm_xor_si128(b.m_value, bitFlip)), bitFlip); - return result; - } - - static SInt16 Max(const SInt16 &a, const SInt16 &b) - { - SInt16 result; - result.m_value = _mm_max_epi16(a.m_value, b.m_value); - return result; - } - - static UInt15 Max(const UInt15 &a, const UInt15 &b) - { - UInt15 result; - result.m_value = _mm_max_epi16(a.m_value, b.m_value); - return result; - } - - static Float Max(const Float &a, const Float &b) - { - Float result; - for (int i = 0; i < 2; i++) - result.m_values[i] = _mm_max_ps(a.m_values[i], b.m_values[i]); - return result; - } - - static Float Clamp(const Float &v, float min, float max) - { - Float result; - for (int i = 0; i < 2; i++) - result.m_values[i] = _mm_max_ps(_mm_min_ps(v.m_values[i], _mm_set1_ps(max)), _mm_set1_ps(min)); - return result; - } - - static Float Reciprocal(const Float &v) - { - Float result; - for (int i = 0; i < 2; i++) - result.m_values[i] = _mm_rcp_ps(v.m_values[i]); - return result; - } - - static void ConvertLDRInputs(const PixelBlockU8* inputBlocks, int pxOffset, int channel, UInt15 &chOut) - { - int16_t values[8]; - for (int i = 0; i < 8; i++) - values[i] = inputBlocks[i].m_pixels[pxOffset][channel]; - - chOut.m_value = _mm_set_epi16(values[7], values[6], values[5], values[4], values[3], values[2], values[1], values[0]); - } - - static void ConvertHDRInputs(const PixelBlockF16* inputBlocks, int pxOffset, int channel, SInt16 &chOut) - { - int16_t values[8]; - for (int i = 0; i < 8; i++) - values[i] = inputBlocks[i].m_pixels[pxOffset][channel]; - - chOut.m_value = _mm_set_epi16(values[7], values[6], values[5], values[4], values[3], values[2], values[1], values[0]); - } - - static Float MakeFloat(float v) - { - Float f; - f.m_values[0] = f.m_values[1] = _mm_set1_ps(v); - return f; - } - - static Float MakeFloatZero() - { - Float f; - f.m_values[0] = f.m_values[1] = _mm_setzero_ps(); - return f; - } - - static UInt16 MakeUInt16(uint16_t v) - { - UInt16 result; - result.m_value = _mm_set1_epi16(static_cast<short>(v)); - return result; - } - - static SInt16 MakeSInt16(int16_t v) - { - SInt16 result; - result.m_value = _mm_set1_epi16(static_cast<short>(v)); - return result; - } - - static AInt16 MakeAInt16(int16_t v) - { - AInt16 result; - result.m_value = _mm_set1_epi16(static_cast<short>(v)); - return result; - } - - static UInt15 MakeUInt15(uint16_t v) - { - UInt15 result; - result.m_value = _mm_set1_epi16(static_cast<short>(v)); - return result; - } - - static SInt32 MakeSInt32(int32_t v) - { - SInt32 result; - result.m_values[0] = _mm_set1_epi32(v); - result.m_values[1] = _mm_set1_epi32(v); - return result; - } - - static UInt31 MakeUInt31(uint32_t v) - { - UInt31 result; - result.m_values[0] = _mm_set1_epi32(v); - result.m_values[1] = _mm_set1_epi32(v); - return result; - } - - static uint16_t Extract(const UInt16 &v, int offset) - { - return reinterpret_cast<const uint16_t*>(&v.m_value)[offset]; - } - - static int16_t Extract(const SInt16 &v, int offset) - { - return reinterpret_cast<const int16_t*>(&v.m_value)[offset]; - } - - static uint16_t Extract(const UInt15 &v, int offset) - { - return reinterpret_cast<const uint16_t*>(&v.m_value)[offset]; - } - - static int16_t Extract(const AInt16 &v, int offset) - { - return reinterpret_cast<const int16_t*>(&v.m_value)[offset]; - } - - static void PutUInt16(UInt16 &dest, int offset, uint16_t v) - { - reinterpret_cast<uint16_t*>(&dest)[offset] = v; - } - - static void PutUInt15(UInt15 &dest, int offset, uint16_t v) - { - reinterpret_cast<uint16_t*>(&dest)[offset] = v; - } - - static void PutSInt16(SInt16 &dest, int offset, int16_t v) - { - reinterpret_cast<int16_t*>(&dest)[offset] = v; - } - - static float ExtractFloat(const Float& v, int offset) - { - return reinterpret_cast<const float*>(&v)[offset]; - } - - static void PutFloat(Float &dest, int offset, float v) - { - reinterpret_cast<float*>(&dest)[offset] = v; - } - - static Int16CompFlag Less(const SInt16 &a, const SInt16 &b) - { - Int16CompFlag result; - result.m_value = _mm_cmplt_epi16(a.m_value, b.m_value); - return result; - } - - static Int16CompFlag Less(const UInt15 &a, const UInt15 &b) - { - Int16CompFlag result; - result.m_value = _mm_cmplt_epi16(a.m_value, b.m_value); - return result; - } - - static Int16CompFlag LessOrEqual(const UInt15 &a, const UInt15 &b) - { - Int16CompFlag result; - result.m_value = _mm_cmplt_epi16(a.m_value, b.m_value); - return result; - } - - static FloatCompFlag Less(const Float &a, const Float &b) - { - FloatCompFlag result; - for (int i = 0; i < 2; i++) - result.m_values[i] = _mm_cmplt_ps(a.m_values[i], b.m_values[i]); - return result; - } - - static FloatCompFlag LessOrEqual(const Float &a, const Float &b) - { - FloatCompFlag result; - for (int i = 0; i < 2; i++) - result.m_values[i] = _mm_cmple_ps(a.m_values[i], b.m_values[i]); - return result; - } - - template<int TSubtype> - static Int16CompFlag Equal(const VInt16<TSubtype> &a, const VInt16<TSubtype> &b) - { - Int16CompFlag result; - result.m_value = _mm_cmpeq_epi16(a.m_value, b.m_value); - return result; - } - - static FloatCompFlag Equal(const Float &a, const Float &b) - { - FloatCompFlag result; - for (int i = 0; i < 2; i++) - result.m_values[i] = _mm_cmpeq_ps(a.m_values[i], b.m_values[i]); - return result; - } - - static Float ToFloat(const UInt16 &v) - { - Float result; - result.m_values[0] = _mm_cvtepi32_ps(_mm_unpacklo_epi16(v.m_value, _mm_setzero_si128())); - result.m_values[1] = _mm_cvtepi32_ps(_mm_unpackhi_epi16(v.m_value, _mm_setzero_si128())); - return result; - } - - static UInt31 ToUInt31(const UInt16 &v) - { - UInt31 result; - result.m_values[0] = _mm_unpacklo_epi16(v.m_value, _mm_setzero_si128()); - result.m_values[1] = _mm_unpackhi_epi16(v.m_value, _mm_setzero_si128()); - return result; - } - - static SInt32 ToInt32(const UInt16 &v) - { - SInt32 result; - result.m_values[0] = _mm_unpacklo_epi16(v.m_value, _mm_setzero_si128()); - result.m_values[1] = _mm_unpackhi_epi16(v.m_value, _mm_setzero_si128()); - return result; - } - - static SInt32 ToInt32(const SInt16 &v) - { - SInt32 result; - result.m_values[0] = _mm_srai_epi32(_mm_unpacklo_epi16(_mm_setzero_si128(), v.m_value), 16); - result.m_values[1] = _mm_srai_epi32(_mm_unpackhi_epi16(_mm_setzero_si128(), v.m_value), 16); - return result; - } - - static Float ToFloat(const SInt16 &v) - { - Float result; - result.m_values[0] = _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpacklo_epi16(_mm_setzero_si128(), v.m_value), 16)); - result.m_values[1] = _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpackhi_epi16(_mm_setzero_si128(), v.m_value), 16)); - return result; - } - - static Float ToFloat(const UInt15 &v) - { - Float result; - result.m_values[0] = _mm_cvtepi32_ps(_mm_unpacklo_epi16(v.m_value, _mm_setzero_si128())); - result.m_values[1] = _mm_cvtepi32_ps(_mm_unpackhi_epi16(v.m_value, _mm_setzero_si128())); - return result; - } - - static Float ToFloat(const UInt31 &v) - { - Float result; - result.m_values[0] = _mm_cvtepi32_ps(v.m_values[0]); - result.m_values[1] = _mm_cvtepi32_ps(v.m_values[1]); - return result; - } - - static Int16CompFlag FloatFlagToInt16(const FloatCompFlag &v) - { - __m128i lo = _mm_castps_si128(v.m_values[0]); - __m128i hi = _mm_castps_si128(v.m_values[1]); - - Int16CompFlag result; - result.m_value = _mm_packs_epi32(lo, hi); - return result; - } - - static FloatCompFlag Int16FlagToFloat(const Int16CompFlag &v) - { - __m128i lo = _mm_unpacklo_epi16(v.m_value, v.m_value); - __m128i hi = _mm_unpackhi_epi16(v.m_value, v.m_value); - - FloatCompFlag result; - result.m_values[0] = _mm_castsi128_ps(lo); - result.m_values[1] = _mm_castsi128_ps(hi); - return result; - } - - static Int16CompFlag MakeBoolInt16(bool b) - { - Int16CompFlag result; - if (b) - result.m_value = _mm_set1_epi16(-1); - else - result.m_value = _mm_setzero_si128(); - return result; - } - - static FloatCompFlag MakeBoolFloat(bool b) - { - FloatCompFlag result; - if (b) - result.m_values[0] = result.m_values[1] = _mm_castsi128_ps(_mm_set1_epi32(-1)); - else - result.m_values[0] = result.m_values[1] = _mm_setzero_ps(); - return result; - } - - static Int16CompFlag AndNot(const Int16CompFlag &a, const Int16CompFlag &b) - { - Int16CompFlag result; - result.m_value = _mm_andnot_si128(b.m_value, a.m_value); - return result; - } - - static UInt16 RoundAndConvertToU16(const Float &v, const void* /*roundingMode*/) - { - __m128i lo = _mm_cvtps_epi32(_mm_add_ps(v.m_values[0], _mm_set1_ps(-32768))); - __m128i hi = _mm_cvtps_epi32(_mm_add_ps(v.m_values[1], _mm_set1_ps(-32768))); - - __m128i packed = _mm_packs_epi32(lo, hi); - - UInt16 result; - result.m_value = _mm_xor_si128(packed, _mm_set1_epi16(-32768)); - return result; - } - - static UInt15 RoundAndConvertToU15(const Float &v, const void* /*roundingMode*/) - { - __m128i lo = _mm_cvtps_epi32(v.m_values[0]); - __m128i hi = _mm_cvtps_epi32(v.m_values[1]); - - __m128i packed = _mm_packs_epi32(lo, hi); - - UInt15 result; - result.m_value = _mm_packs_epi32(lo, hi); - return result; - } - - static SInt16 RoundAndConvertToS16(const Float &v, const void* /*roundingMode*/) - { - __m128i lo = _mm_cvtps_epi32(v.m_values[0]); - __m128i hi = _mm_cvtps_epi32(v.m_values[1]); - - __m128i packed = _mm_packs_epi32(lo, hi); - - SInt16 result; - result.m_value = _mm_packs_epi32(lo, hi); - return result; - } - - static Float Sqrt(const Float &f) - { - Float result; - for (int i = 0; i < 2; i++) - result.m_values[i] = _mm_sqrt_ps(f.m_values[i]); - return result; - } - - static UInt16 Abs(const SInt16 &a) - { - __m128i signBitsXor = _mm_srai_epi16(a.m_value, 15); - __m128i signBitsAdd = _mm_srli_epi16(a.m_value, 15); - - UInt16 result; - result.m_value = _mm_add_epi16(_mm_xor_si128(a.m_value, signBitsXor), signBitsAdd); - return result; - } - - static Float Abs(const Float& a) - { - __m128 invMask = _mm_set1_ps(-0.0f); - - Float result; - result.m_values[0] = _mm_andnot_ps(invMask, a.m_values[0]); - result.m_values[1] = _mm_andnot_ps(invMask, a.m_values[1]); - return result; - } - - static UInt16 SqDiffUInt8(const UInt15 &a, const UInt15 &b) - { - __m128i diff = _mm_sub_epi16(a.m_value, b.m_value); - - UInt16 result; - result.m_value = _mm_mullo_epi16(diff, diff); - return result; - } - - static Float SqDiffSInt16(const SInt16 &a, const SInt16 &b) - { - __m128i diffU = _mm_sub_epi16(_mm_max_epi16(a.m_value, b.m_value), _mm_min_epi16(a.m_value, b.m_value)); - - __m128i mulHi = _mm_mulhi_epu16(diffU, diffU); - __m128i mulLo = _mm_mullo_epi16(diffU, diffU); - __m128i sqDiffHi = _mm_unpackhi_epi16(mulLo, mulHi); - __m128i sqDiffLo = _mm_unpacklo_epi16(mulLo, mulHi); - - Float result; - result.m_values[0] = _mm_cvtepi32_ps(sqDiffLo); - result.m_values[1] = _mm_cvtepi32_ps(sqDiffHi); - - return result; - } - - static Float TwosCLHalfToFloat(const SInt16 &v) - { - __m128i absV = _mm_add_epi16(_mm_xor_si128(v.m_value, _mm_srai_epi16(v.m_value, 15)), _mm_srli_epi16(v.m_value, 15)); - - __m128i signBits = _mm_and_si128(v.m_value, _mm_set1_epi16(-32768)); - __m128i mantissa = _mm_and_si128(v.m_value, _mm_set1_epi16(0x03ff)); - __m128i exponent = _mm_and_si128(v.m_value, _mm_set1_epi16(0x7c00)); - - __m128i isDenormal = _mm_cmpeq_epi16(exponent, _mm_setzero_si128()); - - // Convert exponent to high-bits - exponent = _mm_add_epi16(_mm_srli_epi16(exponent, 3), _mm_set1_epi16(14336)); - - __m128i denormalCorrectionHigh = _mm_and_si128(isDenormal, _mm_or_si128(signBits, _mm_set1_epi16(14336))); - - __m128i highBits = _mm_or_si128(signBits, _mm_or_si128(exponent, _mm_srli_epi16(mantissa, 3))); - __m128i lowBits = _mm_slli_epi16(mantissa, 13); - - __m128i flow = _mm_unpacklo_epi16(lowBits, highBits); - __m128i fhigh = _mm_unpackhi_epi16(lowBits, highBits); - - __m128i correctionLow = _mm_unpacklo_epi16(_mm_setzero_si128(), denormalCorrectionHigh); - __m128i correctionHigh = _mm_unpackhi_epi16(_mm_setzero_si128(), denormalCorrectionHigh); - - Float result; - result.m_values[0] = _mm_sub_ps(_mm_castsi128_ps(flow), _mm_castsi128_ps(correctionLow)); - result.m_values[1] = _mm_sub_ps(_mm_castsi128_ps(fhigh), _mm_castsi128_ps(correctionHigh)); - - return result; - } - - static Float SqDiff2CLFloat(const SInt16 &a, const Float &b) - { - Float fa = TwosCLHalfToFloat(a); - - Float diff = fa - b; - return diff * diff; - } - - static Float SqDiff2CL(const SInt16 &a, const SInt16 &b) - { - Float fa = TwosCLHalfToFloat(a); - Float fb = TwosCLHalfToFloat(b); - - Float diff = fa - fb; - return diff * diff; - } - - static Float SqDiff2CLFloat(const SInt16 &a, float aWeight, const Float &b) - { - Float fa = TwosCLHalfToFloat(a) * aWeight; - - Float diff = fa - b; - return diff * diff; - } - - static UInt16 RightShift(const UInt16 &v, int bits) - { - UInt16 result; - result.m_value = _mm_srli_epi16(v.m_value, bits); - return result; - } - - static UInt31 RightShift(const UInt31 &v, int bits) - { - UInt31 result; - result.m_values[0] = _mm_srli_epi32(v.m_values[0], bits); - result.m_values[1] = _mm_srli_epi32(v.m_values[1], bits); - return result; - } - - static SInt16 RightShift(const SInt16 &v, int bits) - { - SInt16 result; - result.m_value = _mm_srai_epi16(v.m_value, bits); - return result; - } - - static UInt15 RightShift(const UInt15 &v, int bits) - { - UInt15 result; - result.m_value = _mm_srli_epi16(v.m_value, bits); - return result; - } - - static SInt32 RightShift(const SInt32 &v, int bits) - { - SInt32 result; - result.m_values[0] = _mm_srai_epi32(v.m_values[0], bits); - result.m_values[1] = _mm_srai_epi32(v.m_values[1], bits); - return result; - } - - static SInt16 ToSInt16(const SInt32 &v) - { - SInt16 result; - result.m_value = _mm_packs_epi32(v.m_values[0], v.m_values[1]); - return result; - } - - static UInt16 ToUInt16(const UInt32 &v) - { - __m128i low = _mm_srai_epi32(_mm_slli_epi32(v.m_values[0], 16), 16); - __m128i high = _mm_srai_epi32(_mm_slli_epi32(v.m_values[1], 16), 16); - - UInt16 result; - result.m_value = _mm_packs_epi32(low, high); - return result; - } - - static UInt16 ToUInt16(const UInt31 &v) - { - __m128i low = _mm_srai_epi32(_mm_slli_epi32(v.m_values[0], 16), 16); - __m128i high = _mm_srai_epi32(_mm_slli_epi32(v.m_values[1], 16), 16); - - UInt16 result; - result.m_value = _mm_packs_epi32(low, high); - return result; - } - - static UInt15 ToUInt15(const UInt31 &v) - { - UInt15 result; - result.m_value = _mm_packs_epi32(v.m_values[0], v.m_values[1]); - return result; - } - - static SInt32 XMultiply(const SInt16 &a, const SInt16 &b) - { - __m128i high = _mm_mulhi_epi16(a.m_value, b.m_value); - __m128i low = _mm_mullo_epi16(a.m_value, b.m_value); - - SInt32 result; - result.m_values[0] = _mm_unpacklo_epi16(low, high); - result.m_values[1] = _mm_unpackhi_epi16(low, high); - return result; - } - - static SInt32 XMultiply(const SInt16 &a, const UInt15 &b) - { - __m128i high = _mm_mulhi_epi16(a.m_value, b.m_value); - __m128i low = _mm_mullo_epi16(a.m_value, b.m_value); - - SInt32 result; - result.m_values[0] = _mm_unpacklo_epi16(low, high); - result.m_values[1] = _mm_unpackhi_epi16(low, high); - return result; - } - - static SInt32 XMultiply(const UInt15 &a, const SInt16 &b) - { - return XMultiply(b, a); - } - - static UInt32 XMultiply(const UInt16 &a, const UInt16 &b) - { - __m128i high = _mm_mulhi_epu16(a.m_value, b.m_value); - __m128i low = _mm_mullo_epi16(a.m_value, b.m_value); - - UInt32 result; - result.m_values[0] = _mm_unpacklo_epi16(low, high); - result.m_values[1] = _mm_unpackhi_epi16(low, high); - return result; - } - - static UInt16 CompactMultiply(const UInt16 &a, const UInt15 &b) - { - UInt16 result; - result.m_value = _mm_mullo_epi16(a.m_value, b.m_value); - return result; - } - - static UInt16 CompactMultiply(const UInt15 &a, const UInt15 &b) - { - UInt16 result; - result.m_value = _mm_mullo_epi16(a.m_value, b.m_value); - return result; - } - - static UInt31 XMultiply(const UInt15 &a, const UInt15 &b) - { - __m128i high = _mm_mulhi_epu16(a.m_value, b.m_value); - __m128i low = _mm_mullo_epi16(a.m_value, b.m_value); - - UInt31 result; - result.m_values[0] = _mm_unpacklo_epi16(low, high); - result.m_values[1] = _mm_unpackhi_epi16(low, high); - return result; - } - - static UInt31 XMultiply(const UInt16 &a, const UInt15 &b) - { - __m128i high = _mm_mulhi_epu16(a.m_value, b.m_value); - __m128i low = _mm_mullo_epi16(a.m_value, b.m_value); - - UInt31 result; - result.m_values[0] = _mm_unpacklo_epi16(low, high); - result.m_values[1] = _mm_unpackhi_epi16(low, high); - return result; - } - - static UInt31 XMultiply(const UInt15 &a, const UInt16 &b) - { - return XMultiply(b, a); - } - - static bool AnySet(const Int16CompFlag &v) - { - return _mm_movemask_epi8(v.m_value) != 0; - } - - static bool AllSet(const Int16CompFlag &v) - { - return _mm_movemask_epi8(v.m_value) == 0xffff; - } - - static bool AnySet(const FloatCompFlag &v) - { - return _mm_movemask_ps(v.m_values[0]) != 0 || _mm_movemask_ps(v.m_values[1]) != 0; - } - - static bool AllSet(const FloatCompFlag &v) - { - return _mm_movemask_ps(v.m_values[0]) == 0xf && _mm_movemask_ps(v.m_values[1]) == 0xf; - } - }; - -#else - // Scalar version - struct ParallelMath - { - struct RoundTowardZeroForScope - { - }; - - struct RoundTowardNearestForScope - { - }; - - struct RoundUpForScope - { - }; - - struct RoundDownForScope - { - }; - - static const int ParallelSize = 1; - - enum Int16Subtype - { - IntSubtype_Signed, - IntSubtype_UnsignedFull, - IntSubtype_UnsignedTruncated, - IntSubtype_Abstract, - }; - - typedef int32_t SInt16; - typedef int32_t UInt15; - typedef int32_t UInt16; - typedef int32_t AInt16; - - typedef int32_t SInt32; - typedef int32_t UInt31; - typedef int32_t UInt32; - typedef int32_t AInt32; - - typedef int32_t ScalarUInt16; - typedef int32_t ScalarSInt16; - - typedef float Float; - - template<class TTargetType> - struct LosslessCast - { - static const int32_t& Cast(const int32_t &src) - { - return src; - } - }; - - typedef bool Int16CompFlag; - typedef bool FloatCompFlag; - - static int32_t AbstractAdd(const int32_t &a, const int32_t &b) - { - return a + b; - } - - static int32_t AbstractSubtract(const int32_t &a, const int32_t &b) - { - return a - b; - } - - static float Select(bool flag, float a, float b) - { - return flag ? a : b; - } - - static int32_t Select(bool flag, int32_t a, int32_t b) - { - return flag ? a : b; - } - - static int32_t SelectOrZero(bool flag, int32_t a) - { - return flag ? a : 0; - } - - static void ConditionalSet(int32_t& dest, bool flag, int32_t src) - { - if (flag) - dest = src; - } - - static int32_t ConditionalNegate(bool flag, int32_t v) - { - return (flag) ? -v : v; - } - - static void NotConditionalSet(int32_t& dest, bool flag, int32_t src) - { - if (!flag) - dest = src; - } - - static void ConditionalSet(float& dest, bool flag, float src) - { - if (flag) - dest = src; - } - - static void NotConditionalSet(float& dest, bool flag, float src) - { - if (!flag) - dest = src; - } - - static void MakeSafeDenominator(float& v) - { - if (v == 0.0f) - v = 1.0f; - } - - static int32_t SignedRightShift(int32_t v, int bits) - { - return v >> bits; - } - - static int32_t TruncateToPrecisionSigned(int32_t v, int precision) - { - v = (v << (32 - precision)) & 0xffffffff; - return SignedRightShift(v, 32 - precision); - } - - static int32_t TruncateToPrecisionUnsigned(int32_t v, int precision) - { - return v & ((1 << precision) - 1); - } - - static int32_t Min(int32_t a, int32_t b) - { - if (a < b) - return a; - return b; - } - - static float Min(float a, float b) - { - if (a < b) - return a; - return b; - } - - static int32_t Max(int32_t a, int32_t b) - { - if (a > b) - return a; - return b; - } - - static float Max(float a, float b) - { - if (a > b) - return a; - return b; - } - - static float Abs(float a) - { - return fabsf(a); - } - - static int32_t Abs(int32_t a) - { - if (a < 0) - return -a; - return a; - } - - static float Clamp(float v, float min, float max) - { - if (v < min) - return min; - if (v > max) - return max; - return v; - } - - static float Reciprocal(float v) - { - return 1.0f / v; - } - - static void ConvertLDRInputs(const PixelBlockU8* inputBlocks, int pxOffset, int channel, int32_t& chOut) - { - chOut = inputBlocks[0].m_pixels[pxOffset][channel]; - } - - static void ConvertHDRInputs(const PixelBlockF16* inputBlocks, int pxOffset, int channel, int32_t& chOut) - { - chOut = inputBlocks[0].m_pixels[pxOffset][channel]; - } - - static float MakeFloat(float v) - { - return v; - } - - static float MakeFloatZero() - { - return 0.0f; - } - - static int32_t MakeUInt16(uint16_t v) - { - return v; - } - - static int32_t MakeSInt16(int16_t v) - { - return v; - } - - static int32_t MakeAInt16(int16_t v) - { - return v; - } - - static int32_t MakeUInt15(uint16_t v) - { - return v; - } - - static int32_t MakeSInt32(int32_t v) - { - return v; - } - - static int32_t MakeUInt31(int32_t v) - { - return v; - } - - static int32_t Extract(int32_t v, int offset) - { - UNREFERENCED_PARAMETER(offset); - return v; - } - - static void PutUInt16(int32_t &dest, int offset, ParallelMath::ScalarUInt16 v) - { - UNREFERENCED_PARAMETER(offset); - dest = v; - } - - static void PutUInt15(int32_t &dest, int offset, ParallelMath::ScalarUInt16 v) - { - UNREFERENCED_PARAMETER(offset); - dest = v; - } - - static void PutSInt16(int32_t &dest, int offset, ParallelMath::ScalarSInt16 v) - { - UNREFERENCED_PARAMETER(offset); - dest = v; - } - - static float ExtractFloat(float v, int offset) - { - UNREFERENCED_PARAMETER(offset); - return v; - } - - static void PutFloat(float &dest, int offset, float v) - { - UNREFERENCED_PARAMETER(offset); - dest = v; - } - - static bool Less(int32_t a, int32_t b) - { - return a < b; - } - - static bool Less(float a, float b) - { - return a < b; - } - - static bool LessOrEqual(int32_t a, int32_t b) - { - return a < b; - } - - static bool LessOrEqual(float a, float b) - { - return a < b; - } - - static bool Equal(int32_t a, int32_t b) - { - return a == b; - } - - static bool Equal(float a, float b) - { - return a == b; - } - - static float ToFloat(int32_t v) - { - return static_cast<float>(v); - } - - static int32_t ToUInt31(int32_t v) - { - return v; - } - - static int32_t ToInt32(int32_t v) - { - return v; - } - - static bool FloatFlagToInt16(bool v) - { - return v; - } - - static bool Int16FlagToFloat(bool v) - { - return v; - } - - static bool MakeBoolInt16(bool b) - { - return b; - } - - static bool MakeBoolFloat(bool b) - { - return b; - } - - static bool AndNot(bool a, bool b) - { - return a && !b; - } - - static int32_t RoundAndConvertToInt(float v, const ParallelMath::RoundTowardZeroForScope *rtz) - { - UNREFERENCED_PARAMETER(rtz); - return static_cast<int>(v); - } - - static int32_t RoundAndConvertToInt(float v, const ParallelMath::RoundUpForScope *ru) - { - UNREFERENCED_PARAMETER(ru); - return static_cast<int>(ceilf(v)); - } - - static int32_t RoundAndConvertToInt(float v, const ParallelMath::RoundDownForScope *rd) - { - UNREFERENCED_PARAMETER(rd); - return static_cast<int>(floorf(v)); - } - - static int32_t RoundAndConvertToInt(float v, const ParallelMath::RoundTowardNearestForScope *rtn) - { - UNREFERENCED_PARAMETER(rtn); - return static_cast<int>(floorf(v + 0.5f)); - } - - template<class TRoundMode> - static int32_t RoundAndConvertToU16(float v, const TRoundMode *roundingMode) - { - return RoundAndConvertToInt(v, roundingMode); - } - - template<class TRoundMode> - static int32_t RoundAndConvertToU15(float v, const TRoundMode *roundingMode) - { - return RoundAndConvertToInt(v, roundingMode); - } - - template<class TRoundMode> - static int32_t RoundAndConvertToS16(float v, const TRoundMode *roundingMode) - { - return RoundAndConvertToInt(v, roundingMode); - } - - static float Sqrt(float f) - { - return sqrtf(f); - } - - static int32_t SqDiffUInt8(int32_t a, int32_t b) - { - int32_t delta = a - b; - return delta * delta; - } - - static int32_t SqDiffInt16(int32_t a, int32_t b) - { - int32_t delta = a - b; - return delta * delta; - } - - static int32_t SqDiffSInt16(int32_t a, int32_t b) - { - int32_t delta = a - b; - return delta * delta; - } - - static float TwosCLHalfToFloat(int32_t v) - { - int32_t absV = (v < 0) ? -v : v; - - int32_t signBits = (absV & -32768); - int32_t mantissa = (absV & 0x03ff); - int32_t exponent = (absV & 0x7c00); - - bool isDenormal = (exponent == 0); - - // Convert exponent to high-bits - exponent = (exponent >> 3) + 14336; - - int32_t denormalCorrection = (isDenormal ? (signBits | 14336) : 0) << 16; - - int32_t fBits = ((exponent | signBits) << 16) | (mantissa << 13); - - float f, correction; - memcpy(&f, &fBits, 4); - memcpy(&correction, &denormalCorrection, 4); - - return f - correction; - } - - static Float SqDiff2CLFloat(const SInt16 &a, const Float &b) - { - Float fa = TwosCLHalfToFloat(a); - - Float diff = fa - b; - return diff * diff; - } - - static Float SqDiff2CL(const SInt16 &a, const SInt16 &b) - { - Float fa = TwosCLHalfToFloat(a); - Float fb = TwosCLHalfToFloat(b); - - Float diff = fa - fb; - return diff * diff; - } - - static Float SqDiff2CLFloat(const SInt16 &a, float aWeight, const Float &b) - { - Float fa = TwosCLHalfToFloat(a) * aWeight; - - Float diff = fa - b; - return diff * diff; - } - - static int32_t RightShift(int32_t v, int bits) - { - return SignedRightShift(v, bits); - } - - static int32_t ToSInt16(int32_t v) - { - return v; - } - - static int32_t ToUInt16(int32_t v) - { - return v; - } - - static int32_t ToUInt15(int32_t v) - { - return v; - } - - static int32_t XMultiply(int32_t a, int32_t b) - { - return a * b; - } - - static int32_t CompactMultiply(int32_t a, int32_t b) - { - return a * b; - } - - static bool AnySet(bool v) - { - return v; - } - - static bool AllSet(bool v) - { - return v; - } - }; - -#endif - - namespace Internal - { - namespace BC7Data - { - enum AlphaMode - { - AlphaMode_Combined, - AlphaMode_Separate, - AlphaMode_None, - }; - - enum PBitMode - { - PBitMode_PerEndpoint, - PBitMode_PerSubset, - PBitMode_None - }; - - struct BC7ModeInfo - { - PBitMode m_pBitMode; - AlphaMode m_alphaMode; - int m_rgbBits; - int m_alphaBits; - int m_partitionBits; - int m_numSubsets; - int m_indexBits; - int m_alphaIndexBits; - bool m_hasIndexSelector; - }; - - BC7ModeInfo g_modes[] = - { - { PBitMode_PerEndpoint, AlphaMode_None, 4, 0, 4, 3, 3, 0, false }, // 0 - { PBitMode_PerSubset, AlphaMode_None, 6, 0, 6, 2, 3, 0, false }, // 1 - { PBitMode_None, AlphaMode_None, 5, 0, 6, 3, 2, 0, false }, // 2 - { PBitMode_PerEndpoint, AlphaMode_None, 7, 0, 6, 2, 2, 0, false }, // 3 (Mode reference has an error, P-bit is really per-endpoint) - - { PBitMode_None, AlphaMode_Separate, 5, 6, 0, 1, 2, 3, true }, // 4 - { PBitMode_None, AlphaMode_Separate, 7, 8, 0, 1, 2, 2, false }, // 5 - { PBitMode_PerEndpoint, AlphaMode_Combined, 7, 7, 0, 1, 4, 0, false }, // 6 - { PBitMode_PerEndpoint, AlphaMode_Combined, 5, 5, 6, 2, 2, 0, false } // 7 - }; - - const int g_weight2[] = { 0, 21, 43, 64 }; - const int g_weight3[] = { 0, 9, 18, 27, 37, 46, 55, 64 }; - const int g_weight4[] = { 0, 4, 9, 13, 17, 21, 26, 30, 34, 38, 43, 47, 51, 55, 60, 64 }; - - const int *g_weightTables[] = - { - NULL, - NULL, - g_weight2, - g_weight3, - g_weight4 - }; - - struct BC6HModeInfo - { - uint16_t m_modeID; - bool m_partitioned; - bool m_transformed; - int m_aPrec; - int m_bPrec[3]; - }; - - // [partitioned][precision] - bool g_hdrModesExistForPrecision[2][17] = - { - //0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 - { false, false, false, false, false, false, false, false, false, false, true, true, true, false, false, false, true }, - { false, false, false, false, false, false, true, true, true, true, true, true, false, false, false, false, false }, - }; - - BC6HModeInfo g_hdrModes[] = - { - { 0x00, true, true, 10,{ 5, 5, 5 } }, - { 0x01, true, true, 7,{ 6, 6, 6 } }, - { 0x02, true, true, 11,{ 5, 4, 4 } }, - { 0x06, true, true, 11,{ 4, 5, 4 } }, - { 0x0a, true, true, 11,{ 4, 4, 5 } }, - { 0x0e, true, true, 9,{ 5, 5, 5 } }, - { 0x12, true, true, 8,{ 6, 5, 5 } }, - { 0x16, true, true, 8,{ 5, 6, 5 } }, - { 0x1a, true, true, 8,{ 5, 5, 6 } }, - { 0x1e, true, false, 6,{ 6, 6, 6 } }, - { 0x03, false, false, 10,{ 10, 10, 10 } }, - { 0x07, false, true, 11,{ 9, 9, 9 } }, - { 0x0b, false, true, 12,{ 8, 8, 8 } }, - { 0x0f, false, true, 16,{ 4, 4, 4 } }, - }; - - const int g_maxHDRPrecision = 16; - - static const size_t g_numHDRModes = sizeof(g_hdrModes) / sizeof(g_hdrModes[0]); - - static uint16_t g_partitionMap[64] = - { - 0xCCCC, 0x8888, 0xEEEE, 0xECC8, - 0xC880, 0xFEEC, 0xFEC8, 0xEC80, - 0xC800, 0xFFEC, 0xFE80, 0xE800, - 0xFFE8, 0xFF00, 0xFFF0, 0xF000, - 0xF710, 0x008E, 0x7100, 0x08CE, - 0x008C, 0x7310, 0x3100, 0x8CCE, - 0x088C, 0x3110, 0x6666, 0x366C, - 0x17E8, 0x0FF0, 0x718E, 0x399C, - 0xaaaa, 0xf0f0, 0x5a5a, 0x33cc, - 0x3c3c, 0x55aa, 0x9696, 0xa55a, - 0x73ce, 0x13c8, 0x324c, 0x3bdc, - 0x6996, 0xc33c, 0x9966, 0x660, - 0x272, 0x4e4, 0x4e40, 0x2720, - 0xc936, 0x936c, 0x39c6, 0x639c, - 0x9336, 0x9cc6, 0x817e, 0xe718, - 0xccf0, 0xfcc, 0x7744, 0xee22, - }; - - static uint32_t g_partitionMap2[64] = - { - 0xaa685050, 0x6a5a5040, 0x5a5a4200, 0x5450a0a8, - 0xa5a50000, 0xa0a05050, 0x5555a0a0, 0x5a5a5050, - 0xaa550000, 0xaa555500, 0xaaaa5500, 0x90909090, - 0x94949494, 0xa4a4a4a4, 0xa9a59450, 0x2a0a4250, - 0xa5945040, 0x0a425054, 0xa5a5a500, 0x55a0a0a0, - 0xa8a85454, 0x6a6a4040, 0xa4a45000, 0x1a1a0500, - 0x0050a4a4, 0xaaa59090, 0x14696914, 0x69691400, - 0xa08585a0, 0xaa821414, 0x50a4a450, 0x6a5a0200, - 0xa9a58000, 0x5090a0a8, 0xa8a09050, 0x24242424, - 0x00aa5500, 0x24924924, 0x24499224, 0x50a50a50, - 0x500aa550, 0xaaaa4444, 0x66660000, 0xa5a0a5a0, - 0x50a050a0, 0x69286928, 0x44aaaa44, 0x66666600, - 0xaa444444, 0x54a854a8, 0x95809580, 0x96969600, - 0xa85454a8, 0x80959580, 0xaa141414, 0x96960000, - 0xaaaa1414, 0xa05050a0, 0xa0a5a5a0, 0x96000000, - 0x40804080, 0xa9a8a9a8, 0xaaaaaa44, 0x2a4a5254, - }; - - static int g_fixupIndexes2[64] = - { - 15,15,15,15, - 15,15,15,15, - 15,15,15,15, - 15,15,15,15, - 15, 2, 8, 2, - 2, 8, 8,15, - 2, 8, 2, 2, - 8, 8, 2, 2, - - 15,15, 6, 8, - 2, 8,15,15, - 2, 8, 2, 2, - 2,15,15, 6, - 6, 2, 6, 8, - 15,15, 2, 2, - 15,15,15,15, - 15, 2, 2,15, - }; - - static int g_fixupIndexes3[64][2] = - { - { 3,15 },{ 3, 8 },{ 15, 8 },{ 15, 3 }, - { 8,15 },{ 3,15 },{ 15, 3 },{ 15, 8 }, - { 8,15 },{ 8,15 },{ 6,15 },{ 6,15 }, - { 6,15 },{ 5,15 },{ 3,15 },{ 3, 8 }, - { 3,15 },{ 3, 8 },{ 8,15 },{ 15, 3 }, - { 3,15 },{ 3, 8 },{ 6,15 },{ 10, 8 }, - { 5, 3 },{ 8,15 },{ 8, 6 },{ 6,10 }, - { 8,15 },{ 5,15 },{ 15,10 },{ 15, 8 }, - - { 8,15 },{ 15, 3 },{ 3,15 },{ 5,10 }, - { 6,10 },{ 10, 8 },{ 8, 9 },{ 15,10 }, - { 15, 6 },{ 3,15 },{ 15, 8 },{ 5,15 }, - { 15, 3 },{ 15, 6 },{ 15, 6 },{ 15, 8 }, - { 3,15 },{ 15, 3 },{ 5,15 },{ 5,15 }, - { 5,15 },{ 8,15 },{ 5,15 },{ 10,15 }, - { 5,15 },{ 10,15 },{ 8,15 },{ 13,15 }, - { 15, 3 },{ 12,15 },{ 3,15 },{ 3, 8 }, - }; - - static const unsigned char g_fragments[] = - { - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, // 0, 16 - 0, 1, 2, 3, // 16, 4 - 0, 1, 4, // 20, 3 - 0, 1, 2, 4, // 23, 4 - 2, 3, 7, // 27, 3 - 1, 2, 3, 7, // 30, 4 - 0, 1, 2, 3, 4, 5, 6, 7, // 34, 8 - 0, 1, 4, 8, // 42, 4 - 0, 1, 2, 4, 5, 8, // 46, 6 - 0, 1, 2, 3, 4, 5, 6, 8, // 52, 8 - 1, 4, 5, 6, 9, // 60, 5 - 2, 5, 6, 7, 10, // 65, 5 - 5, 6, 9, 10, // 70, 4 - 2, 3, 7, 11, // 74, 4 - 1, 2, 3, 6, 7, 11, // 78, 6 - 0, 1, 2, 3, 5, 6, 7, 11, // 84, 8 - 0, 1, 2, 3, 8, 9, 10, 11, // 92, 8 - 2, 3, 6, 7, 8, 9, 10, 11, // 100, 8 - 4, 5, 6, 7, 8, 9, 10, 11, // 108, 8 - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // 116, 12 - 0, 4, 8, 12, // 128, 4 - 0, 2, 3, 4, 6, 7, 8, 12, // 132, 8 - 0, 1, 2, 4, 5, 8, 9, 12, // 140, 8 - 0, 1, 2, 3, 4, 5, 6, 8, 9, 12, // 148, 10 - 3, 6, 7, 8, 9, 12, // 158, 6 - 3, 5, 6, 7, 8, 9, 10, 12, // 164, 8 - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, // 172, 12 - 0, 1, 2, 5, 6, 7, 11, 12, // 184, 8 - 5, 8, 9, 10, 13, // 192, 5 - 8, 12, 13, // 197, 3 - 4, 8, 12, 13, // 200, 4 - 2, 3, 6, 9, 12, 13, // 204, 6 - 0, 1, 2, 3, 8, 9, 12, 13, // 210, 8 - 0, 1, 4, 5, 8, 9, 12, 13, // 218, 8 - 2, 3, 6, 7, 8, 9, 12, 13, // 226, 8 - 2, 3, 5, 6, 9, 10, 12, 13, // 234, 8 - 0, 3, 6, 7, 9, 10, 12, 13, // 242, 8 - 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, // 250, 12 - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, // 262, 13 - 2, 3, 4, 7, 8, 11, 12, 13, // 275, 8 - 1, 2, 6, 7, 8, 11, 12, 13, // 283, 8 - 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, // 291, 10 - 2, 3, 4, 5, 10, 11, 12, 13, // 301, 8 - 0, 1, 6, 7, 10, 11, 12, 13, // 309, 8 - 6, 9, 10, 11, 14, // 317, 5 - 0, 2, 4, 6, 8, 10, 12, 14, // 322, 8 - 1, 3, 5, 7, 8, 10, 12, 14, // 330, 8 - 1, 3, 4, 6, 9, 11, 12, 14, // 338, 8 - 0, 2, 5, 7, 9, 11, 12, 14, // 346, 8 - 0, 3, 4, 5, 8, 9, 13, 14, // 354, 8 - 2, 3, 4, 7, 8, 9, 13, 14, // 362, 8 - 1, 2, 5, 6, 9, 10, 13, 14, // 370, 8 - 0, 3, 4, 7, 9, 10, 13, 14, // 378, 8 - 0, 3, 5, 6, 8, 11, 13, 14, // 386, 8 - 1, 2, 4, 7, 8, 11, 13, 14, // 394, 8 - 0, 1, 4, 7, 10, 11, 13, 14, // 402, 8 - 0, 3, 6, 7, 10, 11, 13, 14, // 410, 8 - 8, 12, 13, 14, // 418, 4 - 1, 2, 3, 7, 8, 12, 13, 14, // 422, 8 - 4, 8, 9, 12, 13, 14, // 430, 6 - 0, 4, 5, 8, 9, 12, 13, 14, // 436, 8 - 1, 2, 3, 6, 7, 8, 9, 12, 13, 14, // 444, 10 - 2, 6, 8, 9, 10, 12, 13, 14, // 454, 8 - 0, 1, 2, 4, 5, 6, 8, 9, 10, 12, 13, 14, // 462, 12 - 0, 7, 9, 10, 11, 12, 13, 14, // 474, 8 - 1, 2, 3, 4, 5, 6, 8, 15, // 482, 8 - 3, 7, 11, 15, // 490, 4 - 0, 1, 3, 4, 5, 7, 11, 15, // 494, 8 - 0, 4, 5, 10, 11, 15, // 502, 6 - 1, 2, 3, 6, 7, 10, 11, 15, // 508, 8 - 0, 1, 2, 3, 5, 6, 7, 10, 11, 15, // 516, 10 - 0, 4, 5, 6, 9, 10, 11, 15, // 526, 8 - 0, 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 15, // 534, 12 - 1, 2, 4, 5, 8, 9, 12, 15, // 546, 8 - 2, 3, 5, 6, 8, 9, 12, 15, // 554, 8 - 0, 3, 5, 6, 9, 10, 12, 15, // 562, 8 - 1, 2, 4, 7, 9, 10, 12, 15, // 570, 8 - 1, 2, 5, 6, 8, 11, 12, 15, // 578, 8 - 0, 3, 4, 7, 8, 11, 12, 15, // 586, 8 - 0, 1, 5, 6, 10, 11, 12, 15, // 594, 8 - 1, 2, 6, 7, 10, 11, 12, 15, // 602, 8 - 1, 3, 4, 6, 8, 10, 13, 15, // 610, 8 - 0, 2, 5, 7, 8, 10, 13, 15, // 618, 8 - 0, 2, 4, 6, 9, 11, 13, 15, // 626, 8 - 1, 3, 5, 7, 9, 11, 13, 15, // 634, 8 - 0, 1, 2, 3, 4, 5, 7, 8, 12, 13, 15, // 642, 11 - 2, 3, 4, 5, 8, 9, 14, 15, // 653, 8 - 0, 1, 6, 7, 8, 9, 14, 15, // 661, 8 - 0, 1, 5, 10, 14, 15, // 669, 6 - 0, 3, 4, 5, 9, 10, 14, 15, // 675, 8 - 0, 1, 5, 6, 9, 10, 14, 15, // 683, 8 - 11, 14, 15, // 691, 3 - 7, 11, 14, 15, // 694, 4 - 1, 2, 4, 5, 8, 11, 14, 15, // 698, 8 - 0, 1, 4, 7, 8, 11, 14, 15, // 706, 8 - 0, 1, 4, 5, 10, 11, 14, 15, // 714, 8 - 2, 3, 6, 7, 10, 11, 14, 15, // 722, 8 - 4, 5, 6, 7, 10, 11, 14, 15, // 730, 8 - 0, 1, 4, 5, 7, 8, 10, 11, 14, 15, // 738, 10 - 0, 1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, // 748, 12 - 0, 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 14, 15, // 760, 13 - 0, 1, 2, 3, 4, 6, 7, 11, 12, 14, 15, // 773, 11 - 3, 4, 8, 9, 10, 13, 14, 15, // 784, 8 - 11, 13, 14, 15, // 792, 4 - 0, 1, 2, 4, 11, 13, 14, 15, // 796, 8 - 0, 1, 2, 4, 5, 10, 11, 13, 14, 15, // 804, 10 - 7, 10, 11, 13, 14, 15, // 814, 6 - 3, 6, 7, 10, 11, 13, 14, 15, // 820, 8 - 1, 5, 9, 10, 11, 13, 14, 15, // 828, 8 - 1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, // 836, 12 - 12, 13, 14, 15, // 848, 4 - 0, 1, 2, 3, 12, 13, 14, 15, // 852, 8 - 0, 1, 4, 5, 12, 13, 14, 15, // 860, 8 - 4, 5, 6, 7, 12, 13, 14, 15, // 868, 8 - 4, 8, 9, 10, 12, 13, 14, 15, // 876, 8 - 0, 4, 5, 8, 9, 10, 12, 13, 14, 15, // 884, 10 - 0, 1, 4, 5, 6, 8, 9, 10, 12, 13, 14, 15, // 894, 12 - 0, 1, 2, 3, 4, 7, 8, 11, 12, 13, 14, 15, // 906, 12 - 0, 1, 3, 4, 8, 9, 11, 12, 13, 14, 15, // 918, 11 - 0, 2, 3, 7, 8, 10, 11, 12, 13, 14, 15, // 929, 11 - 7, 9, 10, 11, 12, 13, 14, 15, // 940, 8 - 3, 6, 7, 9, 10, 11, 12, 13, 14, 15, // 948, 10 - 2, 3, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, // 958, 12 - 8, 9, 10, 11, 12, 13, 14, 15, // 970, 8 - 0, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, // 978, 12 - 0, 1, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, // 990, 13 - 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, // 1003, 12 - 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, // 1015, 13 - 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, // 1028, 12 - 0, 2, // 1040, 2 - 1, 3, // 1042, 2 - 0, 1, 4, 5, // 1044, 4 - 0, 1, 2, 4, 5, // 1048, 5 - 2, 3, 6, // 1053, 3 - 0, 2, 4, 6, // 1056, 4 - 1, 2, 5, 6, // 1060, 4 - 0, 1, 2, 3, 5, 6, // 1064, 6 - 0, 1, 2, 4, 5, 6, // 1070, 6 - 0, 1, 2, 3, 4, 5, 6, // 1076, 7 - 0, 3, 4, 7, // 1083, 4 - 0, 1, 2, 3, 4, 7, // 1087, 6 - 1, 3, 5, 7, // 1093, 4 - 2, 3, 6, 7, // 1097, 4 - 1, 2, 3, 6, 7, // 1101, 5 - 1, 2, 3, 5, 6, 7, // 1106, 6 - 0, 1, 2, 3, 5, 6, 7, // 1112, 7 - 4, 5, 6, 7, // 1119, 4 - 0, 8, // 1123, 2 - 0, 1, 4, 5, 8, // 1125, 5 - 0, 1, 8, 9, // 1130, 4 - 4, 5, 8, 9, // 1134, 4 - 0, 1, 4, 5, 8, 9, // 1138, 6 - 2, 6, 8, 9, // 1144, 4 - 6, 7, 8, 9, // 1148, 4 - 0, 2, 4, 6, 8, 10, // 1152, 6 - 1, 2, 5, 6, 9, 10, // 1158, 6 - 0, 3, 4, 7, 9, 10, // 1164, 6 - 0, 1, 2, 8, 9, 10, // 1170, 6 - 4, 5, 6, 8, 9, 10, // 1176, 6 - 3, 11, // 1182, 2 - 2, 3, 6, 7, 11, // 1184, 5 - 0, 3, 8, 11, // 1189, 4 - 0, 3, 4, 7, 8, 11, // 1193, 6 - 1, 3, 5, 7, 9, 11, // 1199, 6 - 2, 3, 10, 11, // 1205, 4 - 1, 5, 10, 11, // 1209, 4 - 4, 5, 10, 11, // 1213, 4 - 6, 7, 10, 11, // 1217, 4 - 2, 3, 6, 7, 10, 11, // 1221, 6 - 1, 2, 3, 9, 10, 11, // 1227, 6 - 5, 6, 7, 9, 10, 11, // 1233, 6 - 8, 9, 10, 11, // 1239, 4 - 4, 12, // 1243, 2 - 0, 1, 2, 3, 4, 5, 8, 12, // 1245, 8 - 8, 9, 12, // 1253, 3 - 0, 4, 5, 8, 9, 12, // 1256, 6 - 0, 1, 4, 5, 8, 9, 12, // 1262, 7 - 2, 3, 5, 6, 8, 9, 12, // 1269, 7 - 1, 5, 9, 13, // 1276, 4 - 6, 7, 9, 13, // 1280, 4 - 1, 4, 7, 10, 13, // 1284, 5 - 1, 6, 8, 11, 13, // 1289, 5 - 0, 1, 12, 13, // 1294, 4 - 4, 5, 12, 13, // 1298, 4 - 0, 1, 6, 7, 12, 13, // 1302, 6 - 0, 1, 4, 8, 12, 13, // 1308, 6 - 8, 9, 12, 13, // 1314, 4 - 4, 8, 9, 12, 13, // 1318, 5 - 4, 5, 8, 9, 12, 13, // 1323, 6 - 0, 4, 5, 8, 9, 12, 13, // 1329, 7 - 0, 1, 6, 10, 12, 13, // 1336, 6 - 3, 6, 7, 9, 10, 12, 13, // 1342, 7 - 0, 1, 10, 11, 12, 13, // 1349, 6 - 2, 4, 7, 9, 14, // 1355, 5 - 4, 5, 10, 14, // 1360, 4 - 2, 6, 10, 14, // 1364, 4 - 2, 5, 8, 11, 14, // 1368, 5 - 0, 2, 12, 14, // 1373, 4 - 8, 10, 12, 14, // 1377, 4 - 4, 6, 8, 10, 12, 14, // 1381, 6 - 13, 14, // 1387, 2 - 9, 10, 13, 14, // 1389, 4 - 5, 6, 9, 10, 13, 14, // 1393, 6 - 0, 1, 2, 12, 13, 14, // 1399, 6 - 4, 5, 6, 12, 13, 14, // 1405, 6 - 8, 9, 12, 13, 14, // 1411, 5 - 8, 9, 10, 12, 13, 14, // 1416, 6 - 7, 15, // 1422, 2 - 0, 5, 10, 15, // 1424, 4 - 0, 1, 2, 3, 6, 7, 11, 15, // 1428, 8 - 10, 11, 15, // 1436, 3 - 0, 1, 5, 6, 10, 11, 15, // 1439, 7 - 3, 6, 7, 10, 11, 15, // 1446, 6 - 12, 15, // 1452, 2 - 0, 3, 12, 15, // 1454, 4 - 4, 7, 12, 15, // 1458, 4 - 0, 3, 6, 9, 12, 15, // 1462, 6 - 0, 3, 5, 10, 12, 15, // 1468, 6 - 8, 11, 12, 15, // 1474, 4 - 5, 6, 8, 11, 12, 15, // 1478, 6 - 4, 7, 8, 11, 12, 15, // 1484, 6 - 1, 3, 13, 15, // 1490, 4 - 9, 11, 13, 15, // 1494, 4 - 5, 7, 9, 11, 13, 15, // 1498, 6 - 2, 3, 14, 15, // 1504, 4 - 2, 3, 4, 5, 14, 15, // 1508, 6 - 6, 7, 14, 15, // 1514, 4 - 2, 3, 5, 9, 14, 15, // 1518, 6 - 2, 3, 8, 9, 14, 15, // 1524, 6 - 10, 14, 15, // 1530, 3 - 0, 4, 5, 9, 10, 14, 15, // 1533, 7 - 2, 3, 7, 11, 14, 15, // 1540, 6 - 10, 11, 14, 15, // 1546, 4 - 7, 10, 11, 14, 15, // 1550, 5 - 6, 7, 10, 11, 14, 15, // 1555, 6 - 1, 2, 3, 13, 14, 15, // 1561, 6 - 5, 6, 7, 13, 14, 15, // 1567, 6 - 10, 11, 13, 14, 15, // 1573, 5 - 9, 10, 11, 13, 14, 15, // 1578, 6 - 0, 4, 8, 9, 12, 13, 14, 15, // 1584, 8 - 9, 10, 12, 13, 14, 15, // 1592, 6 - 8, 11, 12, 13, 14, 15, // 1598, 6 - 3, 7, 10, 11, 12, 13, 14, 15, // 1604, 8 - }; - static const int g_shapeRanges[][2] = - { - { 0, 16 },{ 16, 4 },{ 20, 3 },{ 23, 4 },{ 27, 3 },{ 30, 4 },{ 34, 8 },{ 42, 4 },{ 46, 6 },{ 52, 8 },{ 60, 5 }, - { 65, 5 },{ 70, 4 },{ 74, 4 },{ 78, 6 },{ 84, 8 },{ 92, 8 },{ 100, 8 },{ 108, 8 },{ 116, 12 },{ 128, 4 },{ 132, 8 }, - { 140, 8 },{ 148, 10 },{ 158, 6 },{ 164, 8 },{ 172, 12 },{ 184, 8 },{ 192, 5 },{ 197, 3 },{ 200, 4 },{ 204, 6 },{ 210, 8 }, - { 218, 8 },{ 226, 8 },{ 234, 8 },{ 242, 8 },{ 250, 12 },{ 262, 13 },{ 275, 8 },{ 283, 8 },{ 291, 10 },{ 301, 8 },{ 309, 8 }, - { 317, 5 },{ 322, 8 },{ 330, 8 },{ 338, 8 },{ 346, 8 },{ 354, 8 },{ 362, 8 },{ 370, 8 },{ 378, 8 },{ 386, 8 },{ 394, 8 }, - { 402, 8 },{ 410, 8 },{ 418, 4 },{ 422, 8 },{ 430, 6 },{ 436, 8 },{ 444, 10 },{ 454, 8 },{ 462, 12 },{ 474, 8 },{ 482, 8 }, - { 490, 4 },{ 494, 8 },{ 502, 6 },{ 508, 8 },{ 516, 10 },{ 526, 8 },{ 534, 12 },{ 546, 8 },{ 554, 8 },{ 562, 8 },{ 570, 8 }, - { 578, 8 },{ 586, 8 },{ 594, 8 },{ 602, 8 },{ 610, 8 },{ 618, 8 },{ 626, 8 },{ 634, 8 },{ 642, 11 },{ 653, 8 },{ 661, 8 }, - { 669, 6 },{ 675, 8 },{ 683, 8 },{ 691, 3 },{ 694, 4 },{ 698, 8 },{ 706, 8 },{ 714, 8 },{ 722, 8 },{ 730, 8 },{ 738, 10 }, - { 748, 12 },{ 760, 13 },{ 773, 11 },{ 784, 8 },{ 792, 4 },{ 796, 8 },{ 804, 10 },{ 814, 6 },{ 820, 8 },{ 828, 8 },{ 836, 12 }, - { 848, 4 },{ 852, 8 },{ 860, 8 },{ 868, 8 },{ 876, 8 },{ 884, 10 },{ 894, 12 },{ 906, 12 },{ 918, 11 },{ 929, 11 },{ 940, 8 }, - { 948, 10 },{ 958, 12 },{ 970, 8 },{ 978, 12 },{ 990, 13 },{ 1003, 12 },{ 1015, 13 },{ 1028, 12 },{ 1040, 2 },{ 1042, 2 },{ 1044, 4 }, - { 1048, 5 },{ 1053, 3 },{ 1056, 4 },{ 1060, 4 },{ 1064, 6 },{ 1070, 6 },{ 1076, 7 },{ 1083, 4 },{ 1087, 6 },{ 1093, 4 },{ 1097, 4 }, - { 1101, 5 },{ 1106, 6 },{ 1112, 7 },{ 1119, 4 },{ 1123, 2 },{ 1125, 5 },{ 1130, 4 },{ 1134, 4 },{ 1138, 6 },{ 1144, 4 },{ 1148, 4 }, - { 1152, 6 },{ 1158, 6 },{ 1164, 6 },{ 1170, 6 },{ 1176, 6 },{ 1182, 2 },{ 1184, 5 },{ 1189, 4 },{ 1193, 6 },{ 1199, 6 },{ 1205, 4 }, - { 1209, 4 },{ 1213, 4 },{ 1217, 4 },{ 1221, 6 },{ 1227, 6 },{ 1233, 6 },{ 1239, 4 },{ 1243, 2 },{ 1245, 8 },{ 1253, 3 },{ 1256, 6 }, - { 1262, 7 },{ 1269, 7 },{ 1276, 4 },{ 1280, 4 },{ 1284, 5 },{ 1289, 5 },{ 1294, 4 },{ 1298, 4 },{ 1302, 6 },{ 1308, 6 },{ 1314, 4 }, - { 1318, 5 },{ 1323, 6 },{ 1329, 7 },{ 1336, 6 },{ 1342, 7 },{ 1349, 6 },{ 1355, 5 },{ 1360, 4 },{ 1364, 4 },{ 1368, 5 },{ 1373, 4 }, - { 1377, 4 },{ 1381, 6 },{ 1387, 2 },{ 1389, 4 },{ 1393, 6 },{ 1399, 6 },{ 1405, 6 },{ 1411, 5 },{ 1416, 6 },{ 1422, 2 },{ 1424, 4 }, - { 1428, 8 },{ 1436, 3 },{ 1439, 7 },{ 1446, 6 },{ 1452, 2 },{ 1454, 4 },{ 1458, 4 },{ 1462, 6 },{ 1468, 6 },{ 1474, 4 },{ 1478, 6 }, - { 1484, 6 },{ 1490, 4 },{ 1494, 4 },{ 1498, 6 },{ 1504, 4 },{ 1508, 6 },{ 1514, 4 },{ 1518, 6 },{ 1524, 6 },{ 1530, 3 },{ 1533, 7 }, - { 1540, 6 },{ 1546, 4 },{ 1550, 5 },{ 1555, 6 },{ 1561, 6 },{ 1567, 6 },{ 1573, 5 },{ 1578, 6 },{ 1584, 8 },{ 1592, 6 },{ 1598, 6 }, - { 1604, 8 }, - }; - static const int g_shapes1[][2] = - { - { 0, 16 } - }; - static const int g_shapes2[64][2] = - { - { 33, 96 },{ 63, 66 },{ 20, 109 },{ 22, 107 },{ 37, 92 },{ 7, 122 },{ 8, 121 },{ 23, 106 }, - { 38, 91 },{ 2, 127 },{ 9, 120 },{ 26, 103 },{ 3, 126 },{ 6, 123 },{ 1, 128 },{ 19, 110 }, - { 15, 114 },{ 124, 5 },{ 72, 57 },{ 115, 14 },{ 125, 4 },{ 70, 59 },{ 100, 29 },{ 60, 69 }, - { 116, 13 },{ 99, 30 },{ 78, 51 },{ 94, 35 },{ 104, 25 },{ 111, 18 },{ 71, 58 },{ 90, 39 }, - { 45, 84 },{ 16, 113 },{ 82, 47 },{ 95, 34 },{ 87, 42 },{ 83, 46 },{ 53, 76 },{ 48, 81 }, - { 68, 61 },{ 105, 24 },{ 98, 31 },{ 88, 41 },{ 75, 54 },{ 43, 86 },{ 52, 77 },{ 117, 12 }, - { 119, 10 },{ 118, 11 },{ 85, 44 },{ 101, 28 },{ 36, 93 },{ 55, 74 },{ 89, 40 },{ 79, 50 }, - { 56, 73 },{ 49, 80 },{ 64, 65 },{ 27, 102 },{ 32, 97 },{ 112, 17 },{ 67, 62 },{ 21, 108 }, - }; - static const int g_shapes3[64][3] = - { - { 148, 160, 240 },{ 132, 212, 205 },{ 136, 233, 187 },{ 175, 237, 143 },{ 6, 186, 232 },{ 33, 142, 232 },{ 131, 123, 142 },{ 131, 96, 186 }, - { 6, 171, 110 },{ 1, 18, 110 },{ 1, 146, 123 },{ 33, 195, 66 },{ 20, 51, 66 },{ 20, 178, 96 },{ 2, 177, 106 },{ 211, 4, 59 }, - { 8, 191, 91 },{ 230, 14, 29 },{ 1, 188, 234 },{ 151, 110, 168 },{ 20, 144, 238 },{ 137, 66, 206 },{ 173, 179, 232 },{ 209, 194, 186 }, - { 239, 165, 142 },{ 131, 152, 242 },{ 214, 54, 12 },{ 140, 219, 201 },{ 190, 150, 231 },{ 156, 135, 241 },{ 185, 227, 167 },{ 145, 210, 59 }, - { 138, 174, 106 },{ 189, 229, 14 },{ 176, 133, 106 },{ 78, 178, 195 },{ 111, 146, 171 },{ 216, 180, 196 },{ 217, 181, 193 },{ 184, 228, 166 }, - { 192, 225, 153 },{ 134, 141, 123 },{ 6, 222, 198 },{ 149, 183, 96 },{ 33, 226, 164 },{ 161, 215, 51 },{ 197, 221, 18 },{ 1, 223, 199 }, - { 154, 163, 110 },{ 20, 236, 169 },{ 157, 204, 66 },{ 1, 202, 220 },{ 20, 170, 235 },{ 203, 158, 66 },{ 162, 155, 110 },{ 6, 201, 218 }, - { 139, 135, 123 },{ 33, 167, 224 },{ 182, 150, 96 },{ 19, 200, 213 },{ 63, 207, 159 },{ 147, 172, 109 },{ 129, 130, 128 },{ 208, 14, 59 }, - }; - - static const int g_shapeList1[] = - { - 0, - }; - - static const int g_shapeList1Collapse[] = - { - 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, - }; - static const int g_shapeList2[] = - { - 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, - 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, - 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, - 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, - 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, - 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, - 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, - 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, - 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, - 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, - 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, - 122, 123, 124, 125, 126, 127, 128, - }; - static const int g_shapeList2Collapse[] = - { - -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, - 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, - 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, - 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, - 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, - 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, - 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, - 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, - 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, - 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, - 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, - 120, 121, 122, 123, 124, 125, 126, 127, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, - }; - - static const int g_shapeList12[] = - { - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, - 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, - 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, - 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, - 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, - 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, - 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, - 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, - 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, - 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, - 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, - 121, 122, 123, 124, 125, 126, 127, 128, - }; - - static const int g_shapeList12Collapse[] = - { - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, - 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, - 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, - 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, - 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, - 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, - 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, - 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, - 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, - 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, - 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, - 121, 122, 123, 124, 125, 126, 127, 128, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, - }; - - static const int g_shapeList3[] = - { - 1, 2, 4, 6, 8, 12, 14, 18, 19, 20, 29, - 33, 51, 54, 59, 63, 66, 78, 91, 96, 106, 109, - 110, 111, 123, 128, 129, 130, 131, 132, 133, 134, 135, - 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, - 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, - 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, - 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, - 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, - 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, - 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, - 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, - 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, - 235, 236, 237, 238, 239, 240, 241, 242, - }; - - static const int g_shapeList3Collapse[] = - { - -1, 0, 1, -1, 2, -1, 3, -1, 4, -1, -1, - -1, 5, -1, 6, -1, -1, -1, 7, 8, 9, -1, - -1, -1, -1, -1, -1, -1, -1, 10, -1, -1, -1, - 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, 12, -1, -1, 13, - -1, -1, -1, -1, 14, -1, -1, -1, 15, -1, -1, - 16, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, 17, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, 18, -1, -1, -1, -1, 19, -1, -1, - -1, -1, -1, -1, -1, -1, -1, 20, -1, -1, 21, - 22, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, 24, -1, -1, -1, -1, 25, 26, 27, 28, - 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, - 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, - 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, - 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, - 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, - 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, - 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, - 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, - 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, - 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, - 139, - }; - - static const int g_shapeList3Short[] = - { - 1, 2, 4, 6, 18, 20, 33, 51, 59, 66, 96, - 106, 110, 123, 131, 132, 136, 142, 143, 146, 148, 160, - 171, 175, 177, 178, 186, 187, 195, 205, 211, 212, 232, - 233, 237, 240, - }; - - static const int g_shapeList3ShortCollapse[] = - { - -1, 0, 1, -1, 2, -1, 3, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, 4, -1, 5, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, 7, -1, -1, -1, - -1, -1, -1, -1, 8, -1, -1, -1, -1, -1, -1, - 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, 10, -1, -1, - -1, -1, -1, -1, -1, -1, -1, 11, -1, -1, -1, - 12, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, 13, -1, -1, -1, -1, -1, -1, -1, 14, - 15, -1, -1, -1, 16, -1, -1, -1, -1, -1, 17, - 18, -1, -1, 19, -1, 20, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, 21, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, 22, -1, -1, -1, 23, - -1, 24, 25, -1, -1, -1, -1, -1, -1, -1, 26, - 27, -1, -1, -1, -1, -1, -1, -1, 28, -1, -1, - -1, -1, -1, -1, -1, -1, -1, 29, -1, -1, -1, - -1, -1, 30, 31, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, 32, 33, -1, -1, -1, 34, -1, -1, 35, -1, - -1, - }; - - static const int g_shapeListAll[] = - { - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, - 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, - 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, - 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, - 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, - 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, - 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, - 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, - 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, - 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, - 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, - 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, - 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, - 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, - 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, - 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, - 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, - 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, - 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, - 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, - 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, - 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, - 242, - }; - - static const int g_numShapes1 = sizeof(g_shapeList1) / sizeof(g_shapeList1[0]); - static const int g_numShapes2 = sizeof(g_shapeList2) / sizeof(g_shapeList2[0]); - static const int g_numShapes12 = sizeof(g_shapeList12) / sizeof(g_shapeList12[0]); - static const int g_numShapes3 = sizeof(g_shapeList3) / sizeof(g_shapeList3[0]); - static const int g_numShapes3Short = sizeof(g_shapeList3Short) / sizeof(g_shapeList3Short[0]); - static const int g_numShapesAll = sizeof(g_shapeListAll) / sizeof(g_shapeListAll[0]); - static const int g_numFragments = sizeof(g_fragments) / sizeof(g_fragments[0]); - - static const int g_maxFragmentsPerMode = (g_numShapes2 > g_numShapes3) ? g_numShapes2 : g_numShapes3; - } - - namespace BC6HData - { - enum EField - { - NA, // N/A - M, // Mode - D, // Shape - RW, - RX, - RY, - RZ, - GW, - GX, - GY, - GZ, - BW, - BX, - BY, - BZ, - }; - - struct ModeDescriptor - { - EField m_eField; - uint8_t m_uBit; - }; - - const ModeDescriptor g_modeDescriptors[14][82] = - { - { // Mode 1 (0x00) - 10 5 5 5 - { M, 0 },{ M, 1 },{ GY, 4 },{ BY, 4 },{ BZ, 4 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ RW, 6 },{ RW, 7 },{ RW, 8 },{ RW, 9 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GW, 6 },{ GW, 7 },{ GW, 8 },{ GW, 9 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ BW, 6 },{ BW, 7 },{ BW, 8 },{ BW, 9 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RX, 4 }, - { GZ, 4 },{ GY, 0 },{ GY, 1 },{ GY, 2 },{ GY, 3 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GX, 4 }, - { BZ, 0 },{ GZ, 0 },{ GZ, 1 },{ GZ, 2 },{ GZ, 3 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BX, 4 }, - { BZ, 1 },{ BY, 0 },{ BY, 1 },{ BY, 2 },{ BY, 3 },{ RY, 0 },{ RY, 1 },{ RY, 2 },{ RY, 3 },{ RY, 4 }, - { BZ, 2 },{ RZ, 0 },{ RZ, 1 },{ RZ, 2 },{ RZ, 3 },{ RZ, 4 },{ BZ, 3 },{ D, 0 },{ D, 1 },{ D, 2 }, - { D, 3 },{ D, 4 }, - }, - - { // Mode 2 (0x01) - 7 6 6 6 - { M, 0 },{ M, 1 },{ GY, 5 },{ GZ, 4 },{ GZ, 5 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ RW, 6 },{ BZ, 0 },{ BZ, 1 },{ BY, 4 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GW, 6 },{ BY, 5 },{ BZ, 2 },{ GY, 4 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ BW, 6 },{ BZ, 3 },{ BZ, 5 },{ BZ, 4 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RX, 4 }, - { RX, 5 },{ GY, 0 },{ GY, 1 },{ GY, 2 },{ GY, 3 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GX, 4 }, - { GX, 5 },{ GZ, 0 },{ GZ, 1 },{ GZ, 2 },{ GZ, 3 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BX, 4 }, - { BX, 5 },{ BY, 0 },{ BY, 1 },{ BY, 2 },{ BY, 3 },{ RY, 0 },{ RY, 1 },{ RY, 2 },{ RY, 3 },{ RY, 4 }, - { RY, 5 },{ RZ, 0 },{ RZ, 1 },{ RZ, 2 },{ RZ, 3 },{ RZ, 4 },{ RZ, 5 },{ D, 0 },{ D, 1 },{ D, 2 }, - { D, 3 },{ D, 4 }, - }, - - { // Mode 3 (0x02) - 11 5 4 4 - { M, 0 },{ M, 1 },{ M, 2 },{ M, 3 },{ M, 4 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ RW, 6 },{ RW, 7 },{ RW, 8 },{ RW, 9 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GW, 6 },{ GW, 7 },{ GW, 8 },{ GW, 9 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ BW, 6 },{ BW, 7 },{ BW, 8 },{ BW, 9 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RX, 4 }, - { RW,10 },{ GY, 0 },{ GY, 1 },{ GY, 2 },{ GY, 3 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GW,10 }, - { BZ, 0 },{ GZ, 0 },{ GZ, 1 },{ GZ, 2 },{ GZ, 3 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BW,10 }, - { BZ, 1 },{ BY, 0 },{ BY, 1 },{ BY, 2 },{ BY, 3 },{ RY, 0 },{ RY, 1 },{ RY, 2 },{ RY, 3 },{ RY, 4 }, - { BZ, 2 },{ RZ, 0 },{ RZ, 1 },{ RZ, 2 },{ RZ, 3 },{ RZ, 4 },{ BZ, 3 },{ D, 0 },{ D, 1 },{ D, 2 }, - { D, 3 },{ D, 4 }, - }, - - { // Mode 4 (0x06) - 11 4 5 4 - { M, 0 },{ M, 1 },{ M, 2 },{ M, 3 },{ M, 4 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ RW, 6 },{ RW, 7 },{ RW, 8 },{ RW, 9 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GW, 6 },{ GW, 7 },{ GW, 8 },{ GW, 9 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ BW, 6 },{ BW, 7 },{ BW, 8 },{ BW, 9 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RW,10 }, - { GZ, 4 },{ GY, 0 },{ GY, 1 },{ GY, 2 },{ GY, 3 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GX, 4 }, - { GW,10 },{ GZ, 0 },{ GZ, 1 },{ GZ, 2 },{ GZ, 3 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BW,10 }, - { BZ, 1 },{ BY, 0 },{ BY, 1 },{ BY, 2 },{ BY, 3 },{ RY, 0 },{ RY, 1 },{ RY, 2 },{ RY, 3 },{ BZ, 0 }, - { BZ, 2 },{ RZ, 0 },{ RZ, 1 },{ RZ, 2 },{ RZ, 3 },{ GY, 4 },{ BZ, 3 },{ D, 0 },{ D, 1 },{ D, 2 }, - { D, 3 },{ D, 4 }, - }, - - { // Mode 5 (0x0a) - 11 4 4 5 - { M, 0 },{ M, 1 },{ M, 2 },{ M, 3 },{ M, 4 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ RW, 6 },{ RW, 7 },{ RW, 8 },{ RW, 9 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GW, 6 },{ GW, 7 },{ GW, 8 },{ GW, 9 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ BW, 6 },{ BW, 7 },{ BW, 8 },{ BW, 9 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RW,10 }, - { BY, 4 },{ GY, 0 },{ GY, 1 },{ GY, 2 },{ GY, 3 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GW,10 }, - { BZ, 0 },{ GZ, 0 },{ GZ, 1 },{ GZ, 2 },{ GZ, 3 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BX, 4 }, - { BW,10 },{ BY, 0 },{ BY, 1 },{ BY, 2 },{ BY, 3 },{ RY, 0 },{ RY, 1 },{ RY, 2 },{ RY, 3 },{ BZ, 1 }, - { BZ, 2 },{ RZ, 0 },{ RZ, 1 },{ RZ, 2 },{ RZ, 3 },{ BZ, 4 },{ BZ, 3 },{ D, 0 },{ D, 1 },{ D, 2 }, - { D, 3 },{ D, 4 }, - }, - - { // Mode 6 (0x0e) - 9 5 5 5 - { M, 0 },{ M, 1 },{ M, 2 },{ M, 3 },{ M, 4 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ RW, 6 },{ RW, 7 },{ RW, 8 },{ BY, 4 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GW, 6 },{ GW, 7 },{ GW, 8 },{ GY, 4 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ BW, 6 },{ BW, 7 },{ BW, 8 },{ BZ, 4 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RX, 4 }, - { GZ, 4 },{ GY, 0 },{ GY, 1 },{ GY, 2 },{ GY, 3 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GX, 4 }, - { BZ, 0 },{ GZ, 0 },{ GZ, 1 },{ GZ, 2 },{ GZ, 3 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BX, 4 }, - { BZ, 1 },{ BY, 0 },{ BY, 1 },{ BY, 2 },{ BY, 3 },{ RY, 0 },{ RY, 1 },{ RY, 2 },{ RY, 3 },{ RY, 4 }, - { BZ, 2 },{ RZ, 0 },{ RZ, 1 },{ RZ, 2 },{ RZ, 3 },{ RZ, 4 },{ BZ, 3 },{ D, 0 },{ D, 1 },{ D, 2 }, - { D, 3 },{ D, 4 }, - }, - - { // Mode 7 (0x12) - 8 6 5 5 - { M, 0 },{ M, 1 },{ M, 2 },{ M, 3 },{ M, 4 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ RW, 6 },{ RW, 7 },{ GZ, 4 },{ BY, 4 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GW, 6 },{ GW, 7 },{ BZ, 2 },{ GY, 4 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ BW, 6 },{ BW, 7 },{ BZ, 3 },{ BZ, 4 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RX, 4 }, - { RX, 5 },{ GY, 0 },{ GY, 1 },{ GY, 2 },{ GY, 3 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GX, 4 }, - { BZ, 0 },{ GZ, 0 },{ GZ, 1 },{ GZ, 2 },{ GZ, 3 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BX, 4 }, - { BZ, 1 },{ BY, 0 },{ BY, 1 },{ BY, 2 },{ BY, 3 },{ RY, 0 },{ RY, 1 },{ RY, 2 },{ RY, 3 },{ RY, 4 }, - { RY, 5 },{ RZ, 0 },{ RZ, 1 },{ RZ, 2 },{ RZ, 3 },{ RZ, 4 },{ RZ, 5 },{ D, 0 },{ D, 1 },{ D, 2 }, - { D, 3 },{ D, 4 }, - }, - - { // Mode 8 (0x16) - 8 5 6 5 - { M, 0 },{ M, 1 },{ M, 2 },{ M, 3 },{ M, 4 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ RW, 6 },{ RW, 7 },{ BZ, 0 },{ BY, 4 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GW, 6 },{ GW, 7 },{ GY, 5 },{ GY, 4 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ BW, 6 },{ BW, 7 },{ GZ, 5 },{ BZ, 4 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RX, 4 }, - { GZ, 4 },{ GY, 0 },{ GY, 1 },{ GY, 2 },{ GY, 3 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GX, 4 }, - { GX, 5 },{ GZ, 0 },{ GZ, 1 },{ GZ, 2 },{ GZ, 3 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BX, 4 }, - { BZ, 1 },{ BY, 0 },{ BY, 1 },{ BY, 2 },{ BY, 3 },{ RY, 0 },{ RY, 1 },{ RY, 2 },{ RY, 3 },{ RY, 4 }, - { BZ, 2 },{ RZ, 0 },{ RZ, 1 },{ RZ, 2 },{ RZ, 3 },{ RZ, 4 },{ BZ, 3 },{ D, 0 },{ D, 1 },{ D, 2 }, - { D, 3 },{ D, 4 }, - }, - - { // Mode 9 (0x1a) - 8 5 5 6 - { M, 0 },{ M, 1 },{ M, 2 },{ M, 3 },{ M, 4 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ RW, 6 },{ RW, 7 },{ BZ, 1 },{ BY, 4 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GW, 6 },{ GW, 7 },{ BY, 5 },{ GY, 4 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ BW, 6 },{ BW, 7 },{ BZ, 5 },{ BZ, 4 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RX, 4 }, - { GZ, 4 },{ GY, 0 },{ GY, 1 },{ GY, 2 },{ GY, 3 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GX, 4 }, - { BZ, 0 },{ GZ, 0 },{ GZ, 1 },{ GZ, 2 },{ GZ, 3 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BX, 4 }, - { BX, 5 },{ BY, 0 },{ BY, 1 },{ BY, 2 },{ BY, 3 },{ RY, 0 },{ RY, 1 },{ RY, 2 },{ RY, 3 },{ RY, 4 }, - { BZ, 2 },{ RZ, 0 },{ RZ, 1 },{ RZ, 2 },{ RZ, 3 },{ RZ, 4 },{ BZ, 3 },{ D, 0 },{ D, 1 },{ D, 2 }, - { D, 3 },{ D, 4 }, - }, - - { // Mode 10 (0x1e) - 6 6 6 6 - { M, 0 },{ M, 1 },{ M, 2 },{ M, 3 },{ M, 4 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ GZ, 4 },{ BZ, 0 },{ BZ, 1 },{ BY, 4 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GY, 5 },{ BY, 5 },{ BZ, 2 },{ GY, 4 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ GZ, 5 },{ BZ, 3 },{ BZ, 5 },{ BZ, 4 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RX, 4 }, - { RX, 5 },{ GY, 0 },{ GY, 1 },{ GY, 2 },{ GY, 3 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GX, 4 }, - { GX, 5 },{ GZ, 0 },{ GZ, 1 },{ GZ, 2 },{ GZ, 3 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BX, 4 }, - { BX, 5 },{ BY, 0 },{ BY, 1 },{ BY, 2 },{ BY, 3 },{ RY, 0 },{ RY, 1 },{ RY, 2 },{ RY, 3 },{ RY, 4 }, - { RY, 5 },{ RZ, 0 },{ RZ, 1 },{ RZ, 2 },{ RZ, 3 },{ RZ, 4 },{ RZ, 5 },{ D, 0 },{ D, 1 },{ D, 2 }, - { D, 3 },{ D, 4 }, - }, - - { // Mode 11 (0x03) - 10 10 - { M, 0 },{ M, 1 },{ M, 2 },{ M, 3 },{ M, 4 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ RW, 6 },{ RW, 7 },{ RW, 8 },{ RW, 9 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GW, 6 },{ GW, 7 },{ GW, 8 },{ GW, 9 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ BW, 6 },{ BW, 7 },{ BW, 8 },{ BW, 9 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RX, 4 }, - { RX, 5 },{ RX, 6 },{ RX, 7 },{ RX, 8 },{ RX, 9 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GX, 4 }, - { GX, 5 },{ GX, 6 },{ GX, 7 },{ GX, 8 },{ GX, 9 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BX, 4 }, - { BX, 5 },{ BX, 6 },{ BX, 7 },{ BX, 8 },{ BX, 9 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 }, - { NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 }, - { NA, 0 },{ NA, 0 }, - }, - - { // Mode 12 (0x07) - 11 9 - { M, 0 },{ M, 1 },{ M, 2 },{ M, 3 },{ M, 4 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ RW, 6 },{ RW, 7 },{ RW, 8 },{ RW, 9 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GW, 6 },{ GW, 7 },{ GW, 8 },{ GW, 9 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ BW, 6 },{ BW, 7 },{ BW, 8 },{ BW, 9 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RX, 4 }, - { RX, 5 },{ RX, 6 },{ RX, 7 },{ RX, 8 },{ RW,10 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GX, 4 }, - { GX, 5 },{ GX, 6 },{ GX, 7 },{ GX, 8 },{ GW,10 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BX, 4 }, - { BX, 5 },{ BX, 6 },{ BX, 7 },{ BX, 8 },{ BW,10 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 }, - { NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 }, - { NA, 0 },{ NA, 0 }, - }, - - { // Mode 13 (0x0b) - 12 8 - { M, 0 },{ M, 1 },{ M, 2 },{ M, 3 },{ M, 4 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ RW, 6 },{ RW, 7 },{ RW, 8 },{ RW, 9 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GW, 6 },{ GW, 7 },{ GW, 8 },{ GW, 9 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ BW, 6 },{ BW, 7 },{ BW, 8 },{ BW, 9 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RX, 4 }, - { RX, 5 },{ RX, 6 },{ RX, 7 },{ RW,11 },{ RW,10 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GX, 4 }, - { GX, 5 },{ GX, 6 },{ GX, 7 },{ GW,11 },{ GW,10 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BX, 4 }, - { BX, 5 },{ BX, 6 },{ BX, 7 },{ BW,11 },{ BW,10 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 }, - { NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 }, - { NA, 0 },{ NA, 0 }, - }, - - { // Mode 14 (0x0f) - 16 4 - { M, 0 },{ M, 1 },{ M, 2 },{ M, 3 },{ M, 4 },{ RW, 0 },{ RW, 1 },{ RW, 2 },{ RW, 3 },{ RW, 4 }, - { RW, 5 },{ RW, 6 },{ RW, 7 },{ RW, 8 },{ RW, 9 },{ GW, 0 },{ GW, 1 },{ GW, 2 },{ GW, 3 },{ GW, 4 }, - { GW, 5 },{ GW, 6 },{ GW, 7 },{ GW, 8 },{ GW, 9 },{ BW, 0 },{ BW, 1 },{ BW, 2 },{ BW, 3 },{ BW, 4 }, - { BW, 5 },{ BW, 6 },{ BW, 7 },{ BW, 8 },{ BW, 9 },{ RX, 0 },{ RX, 1 },{ RX, 2 },{ RX, 3 },{ RW,15 }, - { RW,14 },{ RW,13 },{ RW,12 },{ RW,11 },{ RW,10 },{ GX, 0 },{ GX, 1 },{ GX, 2 },{ GX, 3 },{ GW,15 }, - { GW,14 },{ GW,13 },{ GW,12 },{ GW,11 },{ GW,10 },{ BX, 0 },{ BX, 1 },{ BX, 2 },{ BX, 3 },{ BW,15 }, - { BW,14 },{ BW,13 },{ BW,12 },{ BW,11 },{ BW,10 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 }, - { NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 },{ NA, 0 }, - { NA, 0 },{ NA, 0 }, - }, - }; - } - - struct PackingVector - { - uint32_t m_vector[4]; - int m_offset; - - void Init() - { - for (int i = 0; i < 4; i++) - m_vector[i] = 0; - - m_offset = 0; - } - - inline void Pack(ParallelMath::ScalarUInt16 value, int bits) - { - int vOffset = m_offset >> 5; - int bitOffset = m_offset & 0x1f; - - m_vector[vOffset] |= (static_cast<uint32_t>(value) << bitOffset) & static_cast<uint32_t>(0xffffffff); - - int overflowBits = bitOffset + bits - 32; - if (overflowBits > 0) - m_vector[vOffset + 1] |= (static_cast<uint32_t>(value) >> (bits - overflowBits)); - - m_offset += bits; - } - - inline void Flush(uint8_t* output) - { - assert(m_offset == 128); - - for (int v = 0; v < 4; v++) - { - uint32_t chunk = m_vector[v]; - for (int b = 0; b < 4; b++) - output[v * 4 + b] = static_cast<uint8_t>((chunk >> (b * 8)) & 0xff); - } - } - }; - - - struct UnpackingVector - { - uint32_t m_vector[4]; - - void Init(const uint8_t *bytes) - { - for (int i = 0; i < 4; i++) - m_vector[i] = 0; - - for (int b = 0; b < 16; b++) - m_vector[b / 4] |= (bytes[b] << ((b % 4) * 8)); - } - - inline ParallelMath::ScalarUInt16 Unpack(int bits) - { - uint32_t bitMask = (1 << bits) - 1; - - ParallelMath::ScalarUInt16 result = static_cast<ParallelMath::ScalarUInt16>(m_vector[0] & bitMask); - - for (int i = 0; i < 4; i++) - { - m_vector[i] >>= bits; - if (i != 3) - m_vector[i] |= (m_vector[i + 1] & bitMask) << (32 - bits); - } - - return result; - } - }; - - void ComputeTweakFactors(int tweak, int range, float *outFactors) - { - int totalUnits = range - 1; - int minOutsideUnits = ((tweak >> 1) & 1); - int maxOutsideUnits = (tweak & 1); - int insideUnits = totalUnits - minOutsideUnits - maxOutsideUnits; - - outFactors[0] = -static_cast<float>(minOutsideUnits) / static_cast<float>(insideUnits); - outFactors[1] = static_cast<float>(maxOutsideUnits) / static_cast<float>(insideUnits) + 1.0f; - } - - ParallelMath::Float ScaleHDRValue(const ParallelMath::Float &v, bool isSigned) - { - if (isSigned) - { - ParallelMath::Float offset = ParallelMath::Select(ParallelMath::Less(v, ParallelMath::MakeFloatZero()), ParallelMath::MakeFloat(-30.0f), ParallelMath::MakeFloat(30.0f)); - return (v * 32.0f + offset) / 31.0f; - } - else - return (v * 64.0f + 30.0f) / 31.0f; - } - - ParallelMath::SInt16 UnscaleHDRValueSigned(const ParallelMath::SInt16 &v) - { -#ifdef CVTT_ENABLE_ASSERTS - for (int i = 0; i < ParallelMath::ParallelSize; i++) - assert(ParallelMath::Extract(v, i) != -32768) -#endif - - ParallelMath::Int16CompFlag negative = ParallelMath::Less(v, ParallelMath::MakeSInt16(0)); - ParallelMath::UInt15 absComp = ParallelMath::LosslessCast<ParallelMath::UInt15>::Cast(ParallelMath::Select(negative, ParallelMath::SInt16(ParallelMath::MakeSInt16(0) - v), v)); - - ParallelMath::UInt31 multiplied = ParallelMath::XMultiply(absComp, ParallelMath::MakeUInt15(31)); - ParallelMath::UInt31 shifted = ParallelMath::RightShift(multiplied, 5); - ParallelMath::UInt15 absCompScaled = ParallelMath::ToUInt15(shifted); - ParallelMath::SInt16 signBits = ParallelMath::SelectOrZero(negative, ParallelMath::MakeSInt16(-32768)); - - return ParallelMath::LosslessCast<ParallelMath::SInt16>::Cast(absCompScaled) | signBits; - } - - ParallelMath::UInt15 UnscaleHDRValueUnsigned(const ParallelMath::UInt16 &v) - { - return ParallelMath::ToUInt15(ParallelMath::RightShift(ParallelMath::XMultiply(v, ParallelMath::MakeUInt15(31)), 6)); - } - - void UnscaleHDREndpoints(const ParallelMath::AInt16 inEP[2][3], ParallelMath::AInt16 outEP[2][3], bool isSigned) - { - for (int epi = 0; epi < 2; epi++) - { - for (int ch = 0; ch < 3; ch++) - { - if (isSigned) - outEP[epi][ch] = ParallelMath::LosslessCast<ParallelMath::AInt16>::Cast(UnscaleHDRValueSigned(ParallelMath::LosslessCast<ParallelMath::SInt16>::Cast(inEP[epi][ch]))); - else - outEP[epi][ch] = ParallelMath::LosslessCast<ParallelMath::AInt16>::Cast(UnscaleHDRValueUnsigned(ParallelMath::LosslessCast<ParallelMath::UInt16>::Cast(inEP[epi][ch]))); - } - } - } - - template<int TVectorSize> - class UnfinishedEndpoints - { - public: - typedef ParallelMath::Float MFloat; - typedef ParallelMath::UInt16 MUInt16; - typedef ParallelMath::UInt15 MUInt15; - typedef ParallelMath::SInt16 MSInt16; - typedef ParallelMath::SInt32 MSInt32; - - UnfinishedEndpoints() - { - } - - UnfinishedEndpoints(const MFloat *base, const MFloat *offset) - { - for (int ch = 0; ch < TVectorSize; ch++) - m_base[ch] = base[ch]; - for (int ch = 0; ch < TVectorSize; ch++) - m_offset[ch] = offset[ch]; - } - - UnfinishedEndpoints(const UnfinishedEndpoints& other) - { - for (int ch = 0; ch < TVectorSize; ch++) - m_base[ch] = other.m_base[ch]; - for (int ch = 0; ch < TVectorSize; ch++) - m_offset[ch] = other.m_offset[ch]; - } - - void FinishHDRUnsigned(int tweak, int range, MSInt16 *outEP0, MSInt16 *outEP1, ParallelMath::RoundTowardNearestForScope *roundingMode) - { - float tweakFactors[2]; - ComputeTweakFactors(tweak, range, tweakFactors); - - for (int ch = 0; ch < TVectorSize; ch++) - { - MUInt15 channelEPs[2]; - for (int epi = 0; epi < 2; epi++) - { - MFloat f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[epi], 0.0f, 31743.0f); - channelEPs[epi] = ParallelMath::RoundAndConvertToU15(f, roundingMode); - } - - outEP0[ch] = ParallelMath::LosslessCast<MSInt16>::Cast(channelEPs[0]); - outEP1[ch] = ParallelMath::LosslessCast<MSInt16>::Cast(channelEPs[1]); - } - } - - void FinishHDRSigned(int tweak, int range, MSInt16* outEP0, MSInt16* outEP1, ParallelMath::RoundTowardNearestForScope* roundingMode) - { - float tweakFactors[2]; - ComputeTweakFactors(tweak, range, tweakFactors); - - for (int ch = 0; ch < TVectorSize; ch++) - { - MSInt16 channelEPs[2]; - for (int epi = 0; epi < 2; epi++) - { - MFloat f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[epi], -31743.0f, 31743.0f); - channelEPs[epi] = ParallelMath::RoundAndConvertToS16(f, roundingMode); - } - - outEP0[ch] = channelEPs[0]; - outEP1[ch] = channelEPs[1]; - } - } - - void FinishLDR(int tweak, int range, MUInt15* outEP0, MUInt15* outEP1) - { - ParallelMath::RoundTowardNearestForScope roundingMode; - - float tweakFactors[2]; - ComputeTweakFactors(tweak, range, tweakFactors); - - for (int ch = 0; ch < TVectorSize; ch++) - { - MFloat ep0f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[0], 0.0f, 255.0f); - MFloat ep1f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[1], 0.0f, 255.0f); - outEP0[ch] = ParallelMath::RoundAndConvertToU15(ep0f, &roundingMode); - outEP1[ch] = ParallelMath::RoundAndConvertToU15(ep1f, &roundingMode); - } - } - - template<int TNewVectorSize> - UnfinishedEndpoints<TNewVectorSize> ExpandTo(float filler) - { - MFloat newBase[TNewVectorSize]; - MFloat newOffset[TNewVectorSize]; - - for (int ch = 0; ch < TNewVectorSize && ch < TVectorSize; ch++) - { - newBase[ch] = m_base[ch]; - newOffset[ch] = m_offset[ch]; - } - - MFloat fillerV = ParallelMath::MakeFloat(filler); - - for (int ch = TVectorSize; ch < TNewVectorSize; ch++) - { - newBase[ch] = fillerV; - newOffset[ch] = ParallelMath::MakeFloatZero(); - } - - return UnfinishedEndpoints<TNewVectorSize>(newBase, newOffset); - } - - private: - MFloat m_base[TVectorSize]; - MFloat m_offset[TVectorSize]; - }; - - template<int TMatrixSize> - class PackedCovarianceMatrix - { - public: - // 0: xx, - // 1: xy, yy - // 3: xz, yz, zz - // 6: xw, yw, zw, ww - // ... etc. - static const int PyramidSize = (TMatrixSize * (TMatrixSize + 1)) / 2; - - typedef ParallelMath::Float MFloat; - - PackedCovarianceMatrix() - { - for (int i = 0; i < PyramidSize; i++) - m_values[i] = ParallelMath::MakeFloatZero(); - } - - void Add(const ParallelMath::Float *vec, const ParallelMath::Float &weight) - { - int index = 0; - for (int row = 0; row < TMatrixSize; row++) - { - for (int col = 0; col <= row; col++) - { - m_values[index] = m_values[index] + vec[row] * vec[col] * weight; - index++; - } - } - } - - void Product(MFloat *outVec, const MFloat *inVec) - { - for (int row = 0; row < TMatrixSize; row++) - { - MFloat sum = ParallelMath::MakeFloatZero(); - - int index = (row * (row + 1)) >> 1; - for (int col = 0; col < TMatrixSize; col++) - { - sum = sum + inVec[col] * m_values[index]; - if (col >= row) - index += col + 1; - else - index++; - } - - outVec[row] = sum; - } - } - - private: - ParallelMath::Float m_values[PyramidSize]; - }; - - static const int NumEndpointSelectorPasses = 3; - - template<int TVectorSize, int TIterationCount> - class EndpointSelector - { - public: - typedef ParallelMath::Float MFloat; - - EndpointSelector() - { - for (int ch = 0; ch < TVectorSize; ch++) - { - m_centroid[ch] = ParallelMath::MakeFloatZero(); - m_direction[ch] = ParallelMath::MakeFloatZero(); - } - m_weightTotal = ParallelMath::MakeFloatZero(); - m_minDist = ParallelMath::MakeFloat(FLT_MAX); - m_maxDist = ParallelMath::MakeFloat(-FLT_MAX); - } - - void ContributePass(const MFloat *value, int pass, const MFloat &weight) - { - if (pass == 0) - ContributeCentroid(value, weight); - else if (pass == 1) - ContributeDirection(value, weight); - else if (pass == 2) - ContributeMinMax(value); - } - - void FinishPass(int pass) - { - if (pass == 0) - FinishCentroid(); - else if (pass == 1) - FinishDirection(); - } - - UnfinishedEndpoints<TVectorSize> GetEndpoints(const float channelWeights[TVectorSize]) const - { - MFloat unweightedBase[TVectorSize]; - MFloat unweightedOffset[TVectorSize]; - - for (int ch = 0; ch < TVectorSize; ch++) - { - MFloat min = m_centroid[ch] + m_direction[ch] * m_minDist; - MFloat max = m_centroid[ch] + m_direction[ch] * m_maxDist; - - float safeWeight = channelWeights[ch]; - if (safeWeight == 0.f) - safeWeight = 1.0f; - - unweightedBase[ch] = min / channelWeights[ch]; - unweightedOffset[ch] = (max - min) / channelWeights[ch]; - } - - return UnfinishedEndpoints<TVectorSize>(unweightedBase, unweightedOffset); - } - - private: - void ContributeCentroid(const MFloat *value, const MFloat &weight) - { - for (int ch = 0; ch < TVectorSize; ch++) - m_centroid[ch] = m_centroid[ch] + value[ch] * weight; - m_weightTotal = m_weightTotal + weight; - } - - void FinishCentroid() - { - MFloat denom = m_weightTotal; - ParallelMath::MakeSafeDenominator(denom); - - for (int ch = 0; ch < TVectorSize; ch++) - m_centroid[ch] = m_centroid[ch] / denom; - } - - void ContributeDirection(const MFloat *value, const MFloat &weight) - { - MFloat diff[TVectorSize]; - for (int ch = 0; ch < TVectorSize; ch++) - diff[ch] = value[ch] - m_centroid[ch]; - - m_covarianceMatrix.Add(diff, weight); - } - - void FinishDirection() - { - MFloat approx[TVectorSize]; - for (int ch = 0; ch < TVectorSize; ch++) - approx[ch] = ParallelMath::MakeFloat(1.0f); - - for (int i = 0; i < TIterationCount; i++) - { - MFloat product[TVectorSize]; - m_covarianceMatrix.Product(product, approx); - - MFloat largestComponent = product[0]; - for (int ch = 1; ch < TVectorSize; ch++) - largestComponent = ParallelMath::Max(largestComponent, product[ch]); - - // product = largestComponent*newApprox - ParallelMath::MakeSafeDenominator(largestComponent); - for (int ch = 0; ch < TVectorSize; ch++) - approx[ch] = product[ch] / largestComponent; - } - - // Normalize - MFloat approxLen = ParallelMath::MakeFloatZero(); - for (int ch = 0; ch < TVectorSize; ch++) - approxLen = approxLen + approx[ch] * approx[ch]; - - approxLen = ParallelMath::Sqrt(approxLen); - - ParallelMath::MakeSafeDenominator(approxLen); - - for (int ch = 0; ch < TVectorSize; ch++) - m_direction[ch] = approx[ch] / approxLen; - } - - void ContributeMinMax(const MFloat *value) - { - MFloat dist = ParallelMath::MakeFloatZero(); - for (int ch = 0; ch < TVectorSize; ch++) - dist = dist + m_direction[ch] * (value[ch] - m_centroid[ch]); - - m_minDist = ParallelMath::Min(m_minDist, dist); - m_maxDist = ParallelMath::Max(m_maxDist, dist); - } - - ParallelMath::Float m_centroid[TVectorSize]; - ParallelMath::Float m_direction[TVectorSize]; - PackedCovarianceMatrix<TVectorSize> m_covarianceMatrix; - ParallelMath::Float m_weightTotal; - - ParallelMath::Float m_minDist; - ParallelMath::Float m_maxDist; - }; - - static const ParallelMath::UInt16 g_weightReciprocals[] = - { - ParallelMath::MakeUInt16(0), // -1 - ParallelMath::MakeUInt16(0), // 0 - ParallelMath::MakeUInt16(32768), // 1 - ParallelMath::MakeUInt16(16384), // 2 - ParallelMath::MakeUInt16(10923), // 3 - ParallelMath::MakeUInt16(8192), // 4 - ParallelMath::MakeUInt16(6554), // 5 - ParallelMath::MakeUInt16(5461), // 6 - ParallelMath::MakeUInt16(4681), // 7 - ParallelMath::MakeUInt16(4096), // 8 - ParallelMath::MakeUInt16(3641), // 9 - ParallelMath::MakeUInt16(3277), // 10 - ParallelMath::MakeUInt16(2979), // 11 - ParallelMath::MakeUInt16(2731), // 12 - ParallelMath::MakeUInt16(2521), // 13 - ParallelMath::MakeUInt16(2341), // 14 - ParallelMath::MakeUInt16(2185), // 15 - }; - - template<int TVectorSize> - class IndexSelector - { - public: - typedef ParallelMath::Float MFloat; - typedef ParallelMath::UInt16 MUInt16; - typedef ParallelMath::UInt15 MUInt15; - typedef ParallelMath::SInt16 MSInt16; - typedef ParallelMath::AInt16 MAInt16; - typedef ParallelMath::SInt32 MSInt32; - typedef ParallelMath::UInt31 MUInt31; - - template<class TInterpolationEPType, class TColorEPType> - void Init(const float *channelWeights, const TInterpolationEPType interpolationEndPoints[2][TVectorSize], const TColorEPType colorSpaceEndpoints[2][TVectorSize], int range) - { - // In BC6H, the interpolation endpoints are higher-precision than the endpoints in color space. - // We need to select indexes using the color-space endpoints. - - m_isUniform = true; - for (int ch = 1; ch < TVectorSize; ch++) - { - if (channelWeights[ch] != channelWeights[0]) - m_isUniform = false; - } - - // To work with channel weights, we need something where: - // pxDiff = px - ep[0] - // epDiff = ep[1] - ep[0] - // - // weightedEPDiff = epDiff * channelWeights - // normalizedWeightedAxis = weightedEPDiff / len(weightedEPDiff) - // normalizedIndex = dot(pxDiff * channelWeights, normalizedWeightedAxis) / len(weightedEPDiff) - // index = normalizedIndex * maxValue - // - // Equivalent to: - // axis = channelWeights * maxValue * epDiff * channelWeights / lenSquared(epDiff * channelWeights) - // index = dot(axis, pxDiff) - - for (int ep = 0; ep < 2; ep++) - for (int ch = 0; ch < TVectorSize; ch++) - m_endPoint[ep][ch] = ParallelMath::LosslessCast<MAInt16>::Cast(interpolationEndPoints[ep][ch]); - - m_range = range; - m_maxValue = static_cast<float>(range - 1); - - MFloat epDiffWeighted[TVectorSize]; - for (int ch = 0; ch < TVectorSize; ch++) - { - m_origin[ch] = ParallelMath::ToFloat(colorSpaceEndpoints[0][ch]); - MFloat opposingOriginCh = ParallelMath::ToFloat(colorSpaceEndpoints[1][ch]); - epDiffWeighted[ch] = (opposingOriginCh - m_origin[ch]) * channelWeights[ch]; - } - - MFloat lenSquared = epDiffWeighted[0] * epDiffWeighted[0]; - for (int ch = 1; ch < TVectorSize; ch++) - lenSquared = lenSquared + epDiffWeighted[ch] * epDiffWeighted[ch]; - - ParallelMath::MakeSafeDenominator(lenSquared); - - MFloat maxValueDividedByLengthSquared = ParallelMath::MakeFloat(m_maxValue) / lenSquared; - - for (int ch = 0; ch < TVectorSize; ch++) - m_axis[ch] = epDiffWeighted[ch] * channelWeights[ch] * maxValueDividedByLengthSquared; - } - - template<bool TSigned> - void Init(const float channelWeights[TVectorSize], const MUInt15 endPoints[2][TVectorSize], int range) - { - MAInt16 converted[2][TVectorSize]; - for (int epi = 0; epi < 2; epi++) - for (int ch = 0; ch < TVectorSize; ch++) - converted[epi][ch] = ParallelMath::LosslessCast<MAInt16>::Cast(endPoints[epi][ch]); - - Init<MUInt15, MUInt15>(channelWeights, endPoints, endPoints, range); - } - - void ReconstructLDR_BC7(const MUInt15 &index, MUInt15* pixel, int numRealChannels) - { - MUInt15 weight = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ParallelMath::CompactMultiply(g_weightReciprocals[m_range], index) + 256, 9)); - - for (int ch = 0; ch < numRealChannels; ch++) - { - MUInt15 ep0f = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::CompactMultiply((ParallelMath::MakeUInt15(64) - weight), ParallelMath::LosslessCast<MUInt15>::Cast(m_endPoint[0][ch]))); - MUInt15 ep1f = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::CompactMultiply(weight, ParallelMath::LosslessCast<MUInt15>::Cast(m_endPoint[1][ch]))); - pixel[ch] = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ep0f + ep1f + ParallelMath::MakeUInt15(32), 6)); - } - } - - void ReconstructLDRPrecise(const MUInt15 &index, MUInt15* pixel, int numRealChannels) - { - MUInt15 weight = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ParallelMath::CompactMultiply(g_weightReciprocals[m_range], index) + 64, 7)); - - for (int ch = 0; ch < numRealChannels; ch++) - { - MUInt15 ep0f = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::CompactMultiply((ParallelMath::MakeUInt15(256) - weight), ParallelMath::LosslessCast<MUInt15>::Cast(m_endPoint[0][ch]))); - MUInt15 ep1f = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::CompactMultiply(weight, ParallelMath::LosslessCast<MUInt15>::Cast(m_endPoint[1][ch]))); - pixel[ch] = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ep0f + ep1f + ParallelMath::MakeUInt15(128), 8)); - } - } - - void ReconstructLDR_BC7(const MUInt15 &index, MUInt15* pixel) - { - ReconstructLDR_BC7(index, pixel, TVectorSize); - } - - void ReconstructLDRPrecise(const MUInt15 &index, MUInt15* pixel) - { - ReconstructLDRPrecise(index, pixel, TVectorSize); - } - - MUInt15 SelectIndexLDR(const MFloat* pixel, const ParallelMath::RoundTowardNearestForScope* rtn) const - { - MFloat dist = (pixel[0] - m_origin[0]) * m_axis[0]; - for (int ch = 1; ch < TVectorSize; ch++) - dist = dist + (pixel[ch] - m_origin[ch]) * m_axis[ch]; - - return ParallelMath::RoundAndConvertToU15(ParallelMath::Clamp(dist, 0.0f, m_maxValue), rtn); - } - - protected: - MAInt16 m_endPoint[2][TVectorSize]; - - private: - MFloat m_origin[TVectorSize]; - MFloat m_axis[TVectorSize]; - int m_range; - float m_maxValue; - bool m_isUniform; - }; - - - template<int TVectorSize> - class IndexSelectorHDR : public IndexSelector<TVectorSize> - { - public: - typedef ParallelMath::UInt15 MUInt15; - typedef ParallelMath::UInt16 MUInt16; - typedef ParallelMath::UInt31 MUInt31; - typedef ParallelMath::SInt16 MSInt16; - typedef ParallelMath::SInt32 MSInt32; - typedef ParallelMath::Float MFloat; - - private: - - MUInt15 InvertSingle(const MUInt15& anIndex) const - { - MUInt15 inverted = m_maxValueMinusOne - anIndex; - return ParallelMath::Select(m_isInverted, inverted, anIndex); - } - - void ReconstructHDRSignedUninverted(const MUInt15 &index, MSInt16* pixel) const - { - MUInt15 weight = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ParallelMath::CompactMultiply(g_weightReciprocals[m_range], index) + 256, 9)); - - for (int ch = 0; ch < TVectorSize; ch++) - { - MSInt16 ep0 = ParallelMath::LosslessCast<MSInt16>::Cast(this->m_endPoint[0][ch]); - MSInt16 ep1 = ParallelMath::LosslessCast<MSInt16>::Cast(this->m_endPoint[1][ch]); - - MSInt32 pixel32 = ParallelMath::XMultiply((ParallelMath::MakeUInt15(64) - weight), ep0) + ParallelMath::XMultiply(weight, ep1); - - pixel32 = ParallelMath::RightShift(pixel32 + ParallelMath::MakeSInt32(32), 6); - - pixel[ch] = UnscaleHDRValueSigned(ParallelMath::ToSInt16(pixel32)); - } - } - - void ReconstructHDRUnsignedUninverted(const MUInt15 &index, MSInt16* pixel) const - { - MUInt15 weight = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ParallelMath::CompactMultiply(g_weightReciprocals[m_range], index) + 256, 9)); - - for (int ch = 0; ch < TVectorSize; ch++) - { - MUInt16 ep0 = ParallelMath::LosslessCast<MUInt16>::Cast(this->m_endPoint[0][ch]); - MUInt16 ep1 = ParallelMath::LosslessCast<MUInt16>::Cast(this->m_endPoint[1][ch]); - - MUInt31 pixel31 = ParallelMath::XMultiply((ParallelMath::MakeUInt15(64) - weight), ep0) + ParallelMath::XMultiply(weight, ep1); - - pixel31 = ParallelMath::RightShift(pixel31 + ParallelMath::MakeUInt31(32), 6); - - pixel[ch] = ParallelMath::LosslessCast<MSInt16>::Cast(UnscaleHDRValueUnsigned(ParallelMath::ToUInt16(pixel31))); - } - } - - MFloat ErrorForInterpolatorComponent(int index, int ch, const MFloat *pixel) const - { - MFloat diff = pixel[ch] - m_reconstructedInterpolators[index][ch]; - return diff * diff; - } - - MFloat ErrorForInterpolator(int index, const MFloat *pixel) const - { - MFloat error = ErrorForInterpolatorComponent(index, 0, pixel); - for (int ch = 1; ch < TVectorSize; ch++) - error = error + ErrorForInterpolatorComponent(index, ch, pixel); - return error; - } - - public: - - void InitHDR(int range, bool isSigned, bool fastIndexing, const float *channelWeights) - { - assert(range <= 16); - - m_range = range; - - m_isInverted = ParallelMath::MakeBoolInt16(false); - m_maxValueMinusOne = ParallelMath::MakeUInt15(static_cast<uint16_t>(range - 1)); - - if (!fastIndexing) - { - for (int i = 0; i < range; i++) - { - MSInt16 recon2CL[TVectorSize]; - - if (isSigned) - ReconstructHDRSignedUninverted(ParallelMath::MakeUInt15(static_cast<uint16_t>(i)), recon2CL); - else - ReconstructHDRUnsignedUninverted(ParallelMath::MakeUInt15(static_cast<uint16_t>(i)), recon2CL); - - for (int ch = 0; ch < TVectorSize; ch++) - m_reconstructedInterpolators[i][ch] = ParallelMath::TwosCLHalfToFloat(recon2CL[ch]) * channelWeights[ch]; - } - } - } - - void ReconstructHDRSigned(const MUInt15 &index, MSInt16* pixel) const - { - ReconstructHDRSignedUninverted(InvertSingle(index), pixel); - } - - void ReconstructHDRUnsigned(const MUInt15 &index, MSInt16* pixel) const - { - ReconstructHDRUnsignedUninverted(InvertSingle(index), pixel); - } - - void ConditionalInvert(const ParallelMath::Int16CompFlag &invert) - { - m_isInverted = invert; - } - - MUInt15 SelectIndexHDRSlow(const MFloat* pixel, const ParallelMath::RoundTowardNearestForScope*) const - { - MUInt15 index = ParallelMath::MakeUInt15(0); - - MFloat bestError = ErrorForInterpolator(0, pixel); - for (int i = 1; i < m_range; i++) - { - MFloat error = ErrorForInterpolator(i, pixel); - ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(error, bestError); - ParallelMath::ConditionalSet(index, ParallelMath::FloatFlagToInt16(errorBetter), ParallelMath::MakeUInt15(static_cast<uint16_t>(i))); - bestError = ParallelMath::Min(bestError, error); - } - - return InvertSingle(index); - } - - MUInt15 SelectIndexHDRFast(const MFloat* pixel, const ParallelMath::RoundTowardNearestForScope* rtn) const - { - return InvertSingle(this->SelectIndexLDR(pixel, rtn)); - } - - private: - MFloat m_reconstructedInterpolators[16][TVectorSize]; - ParallelMath::Int16CompFlag m_isInverted; - MUInt15 m_maxValueMinusOne; - int m_range; - }; - - // Solve for a, b where v = a*t + b - // This allows endpoints to be mapped to where T=0 and T=1 - // Least squares from totals: - // a = (tv - t*v/w)/(tt - t*t/w) - // b = (v - a*t)/w - template<int TVectorSize> - class EndpointRefiner - { - public: - typedef ParallelMath::Float MFloat; - typedef ParallelMath::UInt16 MUInt16; - typedef ParallelMath::UInt15 MUInt15; - typedef ParallelMath::AInt16 MAInt16; - typedef ParallelMath::SInt16 MSInt16; - typedef ParallelMath::SInt32 MSInt32; - - MFloat m_tv[TVectorSize]; - MFloat m_v[TVectorSize]; - MFloat m_tt; - MFloat m_t; - MFloat m_w; - int m_wu; - - float m_rcpMaxIndex; - float m_channelWeights[TVectorSize]; - float m_rcpChannelWeights[TVectorSize]; - - void Init(int indexRange, const float channelWeights[TVectorSize]) - { - for (int ch = 0; ch < TVectorSize; ch++) - { - m_tv[ch] = ParallelMath::MakeFloatZero(); - m_v[ch] = ParallelMath::MakeFloatZero(); - } - m_tt = ParallelMath::MakeFloatZero(); - m_t = ParallelMath::MakeFloatZero(); - m_w = ParallelMath::MakeFloatZero(); - - m_rcpMaxIndex = 1.0f / static_cast<float>(indexRange - 1); - - for (int ch = 0; ch < TVectorSize; ch++) - { - m_channelWeights[ch] = channelWeights[ch]; - m_rcpChannelWeights[ch] = 1.0f; - if (m_channelWeights[ch] != 0.0f) - m_rcpChannelWeights[ch] = 1.0f / channelWeights[ch]; - } - - m_wu = 0; - } - - void ContributePW(const MFloat *pwFloatPixel, const MUInt15 &index, const MFloat &weight) - { - MFloat t = ParallelMath::ToFloat(index) * m_rcpMaxIndex; - - for (int ch = 0; ch < TVectorSize; ch++) - { - MFloat v = pwFloatPixel[ch] * weight; - - m_tv[ch] = m_tv[ch] + t * v; - m_v[ch] = m_v[ch] + v; - } - m_tt = m_tt + weight * t * t; - m_t = m_t + weight * t; - m_w = m_w + weight; - } - - void ContributeUnweightedPW(const MFloat *pwFloatPixel, const MUInt15 &index, int numRealChannels) - { - MFloat t = ParallelMath::ToFloat(index) * m_rcpMaxIndex; - - for (int ch = 0; ch < numRealChannels; ch++) - { - MFloat v = pwFloatPixel[ch]; - - m_tv[ch] = m_tv[ch] + t * v; - m_v[ch] = m_v[ch] + v; - } - m_tt = m_tt + t * t; - m_t = m_t + t; - m_wu++; - } - - void ContributeUnweightedPW(const MFloat *floatPixel, const MUInt15 &index) - { - ContributeUnweightedPW(floatPixel, index, TVectorSize); - } - - void GetRefinedEndpoints(MFloat endPoint[2][TVectorSize]) - { - // a = (tv - t*v/w)/(tt - t*t/w) - // b = (v - a*t)/w - MFloat w = m_w + ParallelMath::MakeFloat(static_cast<float>(m_wu)); - - ParallelMath::MakeSafeDenominator(w); - MFloat wRcp = ParallelMath::Reciprocal(w); - - MFloat adenom = (m_tt * w - m_t * m_t) * wRcp; - - ParallelMath::FloatCompFlag adenomZero = ParallelMath::Equal(adenom, ParallelMath::MakeFloatZero()); - ParallelMath::ConditionalSet(adenom, adenomZero, ParallelMath::MakeFloat(1.0f)); - - for (int ch = 0; ch < TVectorSize; ch++) - { - /* - if (adenom == 0.0) - p1 = p2 = er.v / er.w; - else - { - float4 a = (er.tv - er.t*er.v / er.w) / adenom; - float4 b = (er.v - a * er.t) / er.w; - p1 = b; - p2 = a + b; - } - */ - - MFloat a = (m_tv[ch] - m_t * m_v[ch] * wRcp) / adenom; - MFloat b = (m_v[ch] - a * m_t) * wRcp; - - MFloat p1 = b; - MFloat p2 = a + b; - - ParallelMath::ConditionalSet(p1, adenomZero, (m_v[ch] * wRcp)); - ParallelMath::ConditionalSet(p2, adenomZero, p1); - - // Unweight - float inverseWeight = m_rcpChannelWeights[ch]; - - endPoint[0][ch] = p1 * inverseWeight; - endPoint[1][ch] = p2 * inverseWeight; - } - } - - void GetRefinedEndpointsLDR(MUInt15 endPoint[2][TVectorSize], int numRealChannels, const ParallelMath::RoundTowardNearestForScope *roundingMode) - { - MFloat floatEndPoint[2][TVectorSize]; - GetRefinedEndpoints(floatEndPoint); - - for (int epi = 0; epi < 2; epi++) - for (int ch = 0; ch < TVectorSize; ch++) - endPoint[epi][ch] = ParallelMath::RoundAndConvertToU15(ParallelMath::Clamp(floatEndPoint[epi][ch], 0.0f, 255.0f), roundingMode); - } - - void GetRefinedEndpointsLDR(MUInt15 endPoint[2][TVectorSize], const ParallelMath::RoundTowardNearestForScope *roundingMode) - { - GetRefinedEndpointsLDR(endPoint, TVectorSize, roundingMode); - } - - void GetRefinedEndpointsHDR(MSInt16 endPoint[2][TVectorSize], bool isSigned, const ParallelMath::RoundTowardNearestForScope *roundingMode) - { - MFloat floatEndPoint[2][TVectorSize]; - GetRefinedEndpoints(floatEndPoint); - - for (int epi = 0; epi < 2; epi++) - { - for (int ch = 0; ch < TVectorSize; ch++) - { - MFloat f = floatEndPoint[epi][ch]; - if (isSigned) - endPoint[epi][ch] = ParallelMath::LosslessCast<MSInt16>::Cast(ParallelMath::RoundAndConvertToS16(ParallelMath::Clamp(f, -31743.0f, 31743.0f), roundingMode)); - else - endPoint[epi][ch] = ParallelMath::LosslessCast<MSInt16>::Cast(ParallelMath::RoundAndConvertToU15(ParallelMath::Clamp(f, 0.0f, 31743.0f), roundingMode)); - } - } - } - }; - - template<int TVectorSize> - class AggregatedError - { - public: - typedef ParallelMath::UInt16 MUInt16; - typedef ParallelMath::UInt31 MUInt31; - typedef ParallelMath::Float MFloat; - - AggregatedError() - { - for (int ch = 0; ch < TVectorSize; ch++) - m_errorUnweighted[ch] = ParallelMath::MakeUInt31(0); - } - - void Add(const MUInt16 &channelErrorUnweighted, int ch) - { - m_errorUnweighted[ch] = m_errorUnweighted[ch] + ParallelMath::ToUInt31(channelErrorUnweighted); - } - - MFloat Finalize(uint32_t flags, const float channelWeightsSq[TVectorSize]) const - { - if (flags & cvtt::Flags::Uniform) - { - MUInt31 total = m_errorUnweighted[0]; - for (int ch = 1; ch < TVectorSize; ch++) - total = total + m_errorUnweighted[ch]; - return ParallelMath::ToFloat(total); - } - else - { - MFloat total = ParallelMath::ToFloat(m_errorUnweighted[0]) * channelWeightsSq[0]; - for (int ch = 1; ch < TVectorSize; ch++) - total = total + ParallelMath::ToFloat(m_errorUnweighted[ch]) * channelWeightsSq[ch]; - return total; - } - } - - private: - MUInt31 m_errorUnweighted[TVectorSize]; - }; - - class BCCommon - { - public: - typedef ParallelMath::Float MFloat; - typedef ParallelMath::UInt16 MUInt16; - typedef ParallelMath::UInt15 MUInt15; - typedef ParallelMath::AInt16 MAInt16; - typedef ParallelMath::SInt16 MSInt16; - typedef ParallelMath::SInt32 MSInt32; - - static int TweakRoundsForRange(int range) - { - if (range == 3) - return 3; - return 4; - } - - template<int TVectorSize> - static void ComputeErrorLDR(uint32_t flags, const MUInt15 reconstructed[TVectorSize], const MUInt15 original[TVectorSize], int numRealChannels, AggregatedError<TVectorSize> &aggError) - { - for (int ch = 0; ch < numRealChannels; ch++) - aggError.Add(ParallelMath::SqDiffUInt8(reconstructed[ch], original[ch]), ch); - } - - template<int TVectorSize> - static void ComputeErrorLDR(uint32_t flags, const MUInt15 reconstructed[TVectorSize], const MUInt15 original[TVectorSize], AggregatedError<TVectorSize> &aggError) - { - ComputeErrorLDR<TVectorSize>(flags, reconstructed, original, TVectorSize, aggError); - } - - template<int TVectorSize> - static MFloat ComputeErrorLDRSimple(uint32_t flags, const MUInt15 reconstructed[TVectorSize], const MUInt15 original[TVectorSize], int numRealChannels, const float *channelWeightsSq) - { - AggregatedError<TVectorSize> aggError; - ComputeErrorLDR<TVectorSize>(flags, reconstructed, original, numRealChannels, aggError); - return aggError.Finalize(flags, channelWeightsSq); - } - - template<int TVectorSize> - static MFloat ComputeErrorHDRFast(uint32_t flags, const MSInt16 reconstructed[TVectorSize], const MSInt16 original[TVectorSize], const float channelWeightsSq[TVectorSize]) - { - MFloat error = ParallelMath::MakeFloatZero(); - if (flags & Flags::Uniform) - { - for (int ch = 0; ch < TVectorSize; ch++) - error = error + ParallelMath::SqDiffSInt16(reconstructed[ch], original[ch]); - } - else - { - for (int ch = 0; ch < TVectorSize; ch++) - error = error + ParallelMath::SqDiffSInt16(reconstructed[ch], original[ch]) * ParallelMath::MakeFloat(channelWeightsSq[ch]); - } - - return error; - } - - template<int TVectorSize> - static MFloat ComputeErrorHDRSlow(uint32_t flags, const MSInt16 reconstructed[TVectorSize], const MSInt16 original[TVectorSize], const float channelWeightsSq[TVectorSize]) - { - MFloat error = ParallelMath::MakeFloatZero(); - if (flags & Flags::Uniform) - { - for (int ch = 0; ch < TVectorSize; ch++) - error = error + ParallelMath::SqDiff2CL(reconstructed[ch], original[ch]); - } - else - { - for (int ch = 0; ch < TVectorSize; ch++) - error = error + ParallelMath::SqDiff2CL(reconstructed[ch], original[ch]) * ParallelMath::MakeFloat(channelWeightsSq[ch]); - } - - return error; - } - - template<int TChannelCount> - static void PreWeightPixelsLDR(MFloat preWeightedPixels[16][TChannelCount], const MUInt15 pixels[16][TChannelCount], const float channelWeights[TChannelCount]) - { - for (int px = 0; px < 16; px++) - { - for (int ch = 0; ch < TChannelCount; ch++) - preWeightedPixels[px][ch] = ParallelMath::ToFloat(pixels[px][ch]) * channelWeights[ch]; - } - } - - template<int TChannelCount> - static void PreWeightPixelsHDR(MFloat preWeightedPixels[16][TChannelCount], const MSInt16 pixels[16][TChannelCount], const float channelWeights[TChannelCount]) - { - for (int px = 0; px < 16; px++) - { - for (int ch = 0; ch < TChannelCount; ch++) - preWeightedPixels[px][ch] = ParallelMath::ToFloat(pixels[px][ch]) * channelWeights[ch]; - } - } - }; - - class BC7Computer - { - public: - static const int MaxTweakRounds = 4; - - typedef ParallelMath::SInt16 MSInt16; - typedef ParallelMath::UInt15 MUInt15; - typedef ParallelMath::UInt16 MUInt16; - typedef ParallelMath::SInt32 MSInt32; - typedef ParallelMath::Float MFloat; - - struct WorkInfo - { - MUInt15 m_mode; - MFloat m_error; - MUInt15 m_ep[3][2][4]; - MUInt15 m_indexes[16]; - MUInt15 m_indexes2[16]; - - union - { - MUInt15 m_partition; - struct IndexSelectorAndRotation - { - MUInt15 m_indexSelector; - MUInt15 m_rotation; - } m_isr; - } m_u; - }; - - static void TweakAlpha(const MUInt15 original[2], int tweak, int range, MUInt15 result[2]) - { - ParallelMath::RoundTowardNearestForScope roundingMode; - - float tf[2]; - ComputeTweakFactors(tweak, range, tf); - - MFloat base = ParallelMath::ToFloat(original[0]); - MFloat offs = ParallelMath::ToFloat(original[1]) - base; - - result[0] = ParallelMath::RoundAndConvertToU15(ParallelMath::Clamp(base + offs * tf[0], 0.0f, 255.0f), &roundingMode); - result[1] = ParallelMath::RoundAndConvertToU15(ParallelMath::Clamp(base + offs * tf[1], 0.0f, 255.0f), &roundingMode); - } - - static void Quantize(MUInt15* color, int bits, int channels, const ParallelMath::RoundTowardNearestForScope *roundingMode) - { - float maxColor = static_cast<float>((1 << bits) - 1); - - for (int i = 0; i < channels; i++) - color[i] = ParallelMath::RoundAndConvertToU15(ParallelMath::Clamp(ParallelMath::ToFloat(color[i]) * ParallelMath::MakeFloat(1.0f / 255.0f) * maxColor, 0.f, 255.f), roundingMode); - } - - static void QuantizeP(MUInt15* color, int bits, uint16_t p, int channels, const ParallelMath::RoundTowardNearestForScope *roundingMode) - { - uint16_t pShift = static_cast<uint16_t>(1 << (7 - bits)); - MUInt15 pShiftV = ParallelMath::MakeUInt15(pShift); - - float maxColorF = static_cast<float>(255 - (1 << (7 - bits))); - - float maxQuantized = static_cast<float>((1 << bits) - 1); - - for (int ch = 0; ch < channels; ch++) - { - MUInt15 clr = color[ch]; - if (p) - clr = ParallelMath::Max(clr, pShiftV) - pShiftV; - - MFloat rerangedColor = ParallelMath::ToFloat(clr) * maxQuantized / maxColorF; - - clr = ParallelMath::RoundAndConvertToU15(ParallelMath::Clamp(rerangedColor, 0.0f, maxQuantized), roundingMode) << 1; - if (p) - clr = clr | ParallelMath::MakeUInt15(1); - - color[ch] = clr; - } - } - - static void Unquantize(MUInt15* color, int bits, int channels) - { - for (int ch = 0; ch < channels; ch++) - { - MUInt15 clr = color[ch]; - clr = clr << (8 - bits); - color[ch] = clr | ParallelMath::RightShift(clr, bits); - } - } - - static void CompressEndpoints0(MUInt15 ep[2][4], uint16_t p[2], const ParallelMath::RoundTowardNearestForScope *roundingMode) - { - for (int j = 0; j < 2; j++) - { - QuantizeP(ep[j], 4, p[j], 3, roundingMode); - Unquantize(ep[j], 5, 3); - ep[j][3] = ParallelMath::MakeUInt15(255); - } - } - - static void CompressEndpoints1(MUInt15 ep[2][4], uint16_t p, const ParallelMath::RoundTowardNearestForScope *roundingMode) - { - for (int j = 0; j < 2; j++) - { - QuantizeP(ep[j], 6, p, 3, roundingMode); - Unquantize(ep[j], 7, 3); - ep[j][3] = ParallelMath::MakeUInt15(255); - } - } - - static void CompressEndpoints2(MUInt15 ep[2][4], const ParallelMath::RoundTowardNearestForScope *roundingMode) - { - for (int j = 0; j < 2; j++) - { - Quantize(ep[j], 5, 3, roundingMode); - Unquantize(ep[j], 5, 3); - ep[j][3] = ParallelMath::MakeUInt15(255); - } - } - - static void CompressEndpoints3(MUInt15 ep[2][4], uint16_t p[2], const ParallelMath::RoundTowardNearestForScope *roundingMode) - { - for (int j = 0; j < 2; j++) - { - QuantizeP(ep[j], 7, p[j], 3, roundingMode); - ep[j][3] = ParallelMath::MakeUInt15(255); - } - } - - static void CompressEndpoints4(MUInt15 epRGB[2][3], MUInt15 epA[2], const ParallelMath::RoundTowardNearestForScope *roundingMode) - { - for (int j = 0; j < 2; j++) - { - Quantize(epRGB[j], 5, 3, roundingMode); - Unquantize(epRGB[j], 5, 3); - - Quantize(epA + j, 6, 1, roundingMode); - Unquantize(epA + j, 6, 1); - } - } - - static void CompressEndpoints5(MUInt15 epRGB[2][3], MUInt15 epA[2], const ParallelMath::RoundTowardNearestForScope *roundingMode) - { - for (int j = 0; j < 2; j++) - { - Quantize(epRGB[j], 7, 3, roundingMode); - Unquantize(epRGB[j], 7, 3); - } - - // Alpha is full precision - (void)epA; - } - - static void CompressEndpoints6(MUInt15 ep[2][4], uint16_t p[2], const ParallelMath::RoundTowardNearestForScope *roundingMode) - { - for (int j = 0; j < 2; j++) - QuantizeP(ep[j], 7, p[j], 4, roundingMode); - } - - static void CompressEndpoints7(MUInt15 ep[2][4], uint16_t p[2], const ParallelMath::RoundTowardNearestForScope *roundingMode) - { - for (int j = 0; j < 2; j++) - { - QuantizeP(ep[j], 5, p[j], 4, roundingMode); - Unquantize(ep[j], 6, 4); - } - } - - struct SinglePlaneTemporaries - { - UnfinishedEndpoints<3> unfinishedRGB[BC7Data::g_numShapesAll]; - UnfinishedEndpoints<4> unfinishedRGBA[BC7Data::g_numShapes12]; - - MUInt15 fragmentBestIndexes[BC7Data::g_numFragments]; - MUInt15 shapeBestEP[BC7Data::g_maxFragmentsPerMode][2][4]; - MFloat shapeBestError[BC7Data::g_maxFragmentsPerMode]; - }; - - static void TrySingleColorRGBAMultiTable(uint32_t flags, const MUInt15 pixels[16][4], const MFloat average[4], int numRealChannels, const uint8_t *fragmentStart, int shapeLength, const MFloat &staticAlphaError, const ParallelMath::Int16CompFlag punchThroughInvalid[4], MFloat& shapeBestError, MUInt15 shapeBestEP[2][4], MUInt15 *fragmentBestIndexes, const float *channelWeightsSq, const cvtt::Tables::BC7SC::Table*const* tables, int numTables, const ParallelMath::RoundTowardNearestForScope *rtn) - { - MFloat bestAverageError = ParallelMath::MakeFloat(FLT_MAX); - - MUInt15 intAverage[4]; - for (int ch = 0; ch < 4; ch++) - intAverage[ch] = ParallelMath::RoundAndConvertToU15(average[ch], rtn); - - MUInt15 eps[2][4]; - MUInt15 reconstructed[4]; - MUInt15 index = ParallelMath::MakeUInt15(0); - - for (int epi = 0; epi < 2; epi++) - { - for (int ch = 0; ch < 3; ch++) - eps[epi][ch] = ParallelMath::MakeUInt15(0); - eps[epi][3] = ParallelMath::MakeUInt15(255); - } - - for (int ch = 0; ch < 3; ch++) - reconstructed[ch] = ParallelMath::MakeUInt15(0); - reconstructed[3] = ParallelMath::MakeUInt15(255); - - // Depending on the target index and parity bits, there are multiple valid solid colors. - // We want to find the one closest to the actual average. - MFloat epsAverageDiff = ParallelMath::MakeFloat(FLT_MAX); - for (int t = 0; t < numTables; t++) - { - const cvtt::Tables::BC7SC::Table& table = *(tables[t]); - - ParallelMath::Int16CompFlag pti = punchThroughInvalid[table.m_pBits]; - - MUInt15 candidateReconstructed[4]; - MUInt15 candidateEPs[2][4]; - - for (int i = 0; i < ParallelMath::ParallelSize; i++) - { - for (int ch = 0; ch < numRealChannels; ch++) - { - ParallelMath::ScalarUInt16 avgValue = ParallelMath::Extract(intAverage[ch], i); - assert(avgValue >= 0 && avgValue <= 255); - - const cvtt::Tables::BC7SC::TableEntry &entry = table.m_entries[avgValue]; - - ParallelMath::PutUInt15(candidateEPs[0][ch], i, entry.m_min); - ParallelMath::PutUInt15(candidateEPs[1][ch], i, entry.m_max); - ParallelMath::PutUInt15(candidateReconstructed[ch], i, entry.m_actualColor); - } - } - - MFloat avgError = ParallelMath::MakeFloatZero(); - for (int ch = 0; ch < numRealChannels; ch++) - { - MFloat delta = ParallelMath::ToFloat(candidateReconstructed[ch]) - average[ch]; - avgError = avgError + delta * delta * channelWeightsSq[ch]; - } - - ParallelMath::Int16CompFlag better = ParallelMath::FloatFlagToInt16(ParallelMath::Less(avgError, bestAverageError)); - better = ParallelMath::AndNot(pti, better); // Mask out punch-through invalidations - - if (ParallelMath::AnySet(better)) - { - ParallelMath::ConditionalSet(bestAverageError, ParallelMath::Int16FlagToFloat(better), avgError); - - MUInt15 candidateIndex = ParallelMath::MakeUInt15(table.m_index); - - ParallelMath::ConditionalSet(index, better, candidateIndex); - - for (int ch = 0; ch < numRealChannels; ch++) - ParallelMath::ConditionalSet(reconstructed[ch], better, candidateReconstructed[ch]); - - for (int epi = 0; epi < 2; epi++) - for (int ch = 0; ch < numRealChannels; ch++) - ParallelMath::ConditionalSet(eps[epi][ch], better, candidateEPs[epi][ch]); - } - } - - AggregatedError<4> aggError; - for (int pxi = 0; pxi < shapeLength; pxi++) - { - int px = fragmentStart[pxi]; - - BCCommon::ComputeErrorLDR<4>(flags, reconstructed, pixels[px], numRealChannels, aggError); - } - - MFloat error = aggError.Finalize(flags, channelWeightsSq) + staticAlphaError; - - ParallelMath::Int16CompFlag better = ParallelMath::FloatFlagToInt16(ParallelMath::Less(error, shapeBestError)); - if (ParallelMath::AnySet(better)) - { - shapeBestError = ParallelMath::Min(shapeBestError, error); - for (int epi = 0; epi < 2; epi++) - { - for (int ch = 0; ch < numRealChannels; ch++) - ParallelMath::ConditionalSet(shapeBestEP[epi][ch], better, eps[epi][ch]); - } - - for (int pxi = 0; pxi < shapeLength; pxi++) - ParallelMath::ConditionalSet(fragmentBestIndexes[pxi], better, index); - } - } - - - static void TrySinglePlane(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const float channelWeights[4], int numTweakRounds, int numRefineRounds, WorkInfo& work, const ParallelMath::RoundTowardNearestForScope *rtn) - { - if (numRefineRounds < 1) - numRefineRounds = 1; - - if (numTweakRounds < 1) - numTweakRounds = 1; - else if (numTweakRounds > MaxTweakRounds) - numTweakRounds = MaxTweakRounds; - - float channelWeightsSq[4]; - - for (int ch = 0; ch < 4; ch++) - channelWeightsSq[ch] = channelWeights[ch] * channelWeights[ch]; - - SinglePlaneTemporaries temps; - - MUInt15 maxAlpha = ParallelMath::MakeUInt15(0); - MUInt15 minAlpha = ParallelMath::MakeUInt15(255); - ParallelMath::Int16CompFlag isPunchThrough = ParallelMath::MakeBoolInt16(true); - for (int px = 0; px < 16; px++) - { - MUInt15 a = pixels[px][3]; - maxAlpha = ParallelMath::Max(maxAlpha, a); - minAlpha = ParallelMath::Min(minAlpha, a); - - isPunchThrough = (isPunchThrough & (ParallelMath::Equal(a, ParallelMath::MakeUInt15(0)) | ParallelMath::Equal(a, ParallelMath::MakeUInt15(255)))); - } - - ParallelMath::Int16CompFlag blockHasNonMaxAlpha = ParallelMath::Less(minAlpha, ParallelMath::MakeUInt15(255)); - ParallelMath::Int16CompFlag blockHasNonZeroAlpha = ParallelMath::Less(ParallelMath::MakeUInt15(0), maxAlpha); - - bool anyBlockHasAlpha = ParallelMath::AnySet(blockHasNonMaxAlpha); - - // Try RGB modes if any block has a min alpha 251 or higher - bool allowRGBModes = ParallelMath::AnySet(ParallelMath::Less(ParallelMath::MakeUInt15(250), minAlpha)); - - // Try mode 7 if any block has alpha. - // Mode 7 is almost never selected for RGB blocks because mode 4 has very accurate 7.7.7.1 endpoints - // and its parity bit doesn't affect alpha, meaning mode 7 can only be better in extremely specific - // situations, and only by at most 1 unit of error per pixel. - bool allowMode7 = anyBlockHasAlpha; - - MFloat preWeightedPixels[16][4]; - - BCCommon::PreWeightPixelsLDR<4>(preWeightedPixels, pixels, channelWeights); - - const int *rgbInitialEPCollapseList = NULL; - - // Get initial RGB endpoints - if (allowRGBModes) - { - const int *shapeList; - int numShapesToEvaluate; - - if (flags & Flags::BC7_EnablePartitioning) - { - if (flags & Flags::BC7_Enable3Subsets) - { - shapeList = BC7Data::g_shapeListAll; - rgbInitialEPCollapseList = BC7Data::g_shapeListAll; - numShapesToEvaluate = BC7Data::g_numShapesAll; - } - else - { - shapeList = BC7Data::g_shapeList12; - rgbInitialEPCollapseList = BC7Data::g_shapeList12Collapse; - numShapesToEvaluate = BC7Data::g_numShapes12; - } - } - else - { - shapeList = BC7Data::g_shapeList1; - rgbInitialEPCollapseList = BC7Data::g_shapeList1Collapse; - numShapesToEvaluate = BC7Data::g_numShapes1; - } - - for (int shapeIter = 0; shapeIter < numShapesToEvaluate; shapeIter++) - { - int shape = shapeList[shapeIter]; - - int shapeStart = BC7Data::g_shapeRanges[shape][0]; - int shapeSize = BC7Data::g_shapeRanges[shape][1]; - - EndpointSelector<3, 8> epSelector; - - for (int epPass = 0; epPass < NumEndpointSelectorPasses; epPass++) - { - for (int spx = 0; spx < shapeSize; spx++) - { - int px = BC7Data::g_fragments[shapeStart + spx]; - epSelector.ContributePass(preWeightedPixels[px], epPass, ParallelMath::MakeFloat(1.0f)); - } - epSelector.FinishPass(epPass); - } - temps.unfinishedRGB[shapeIter] = epSelector.GetEndpoints(channelWeights); - } - } - - const int *rgbaInitialEPCollapseList = BC7Data::g_shapeList12Collapse; - - // Get initial RGBA endpoints - { - const int *shapeList = BC7Data::g_shapeList12; - int numShapesToEvaluate = BC7Data::g_numShapes12; - - for (int shapeIter = 0; shapeIter < numShapesToEvaluate; shapeIter++) - { - int shape = shapeList[shapeIter]; - - if (anyBlockHasAlpha || !allowRGBModes) - { - int shapeStart = BC7Data::g_shapeRanges[shape][0]; - int shapeSize = BC7Data::g_shapeRanges[shape][1]; - - EndpointSelector<4, 8> epSelector; - - for (int epPass = 0; epPass < NumEndpointSelectorPasses; epPass++) - { - for (int spx = 0; spx < shapeSize; spx++) - { - int px = BC7Data::g_fragments[shapeStart + spx]; - epSelector.ContributePass(preWeightedPixels[px], epPass, ParallelMath::MakeFloat(1.0f)); - } - epSelector.FinishPass(epPass); - } - temps.unfinishedRGBA[shapeIter] = epSelector.GetEndpoints(channelWeights); - } - else - { - temps.unfinishedRGBA[shapeIter] = temps.unfinishedRGB[rgbInitialEPCollapseList[shape]].ExpandTo<4>(255); - } - } - } - - for (uint16_t mode = 0; mode <= 7; mode++) - { - if (!(flags & Flags::BC7_EnablePartitioning) && BC7Data::g_modes[mode].m_numSubsets != 1) - continue; - - if (!(flags & Flags::BC7_Enable3Subsets) && BC7Data::g_modes[mode].m_numSubsets == 3) - continue; - - if (mode == 4 || mode == 5) - continue; - - if (mode < 4 && !allowRGBModes) - continue; - - if (mode == 7 && !allowMode7) - continue; - - bool isRGB = (mode < 4); - - unsigned int numPartitions = 1 << BC7Data::g_modes[mode].m_partitionBits; - int numSubsets = BC7Data::g_modes[mode].m_numSubsets; - int indexPrec = BC7Data::g_modes[mode].m_indexBits; - - int parityBitMax = 1; - if (BC7Data::g_modes[mode].m_pBitMode == BC7Data::PBitMode_PerEndpoint) - parityBitMax = 4; - else if (BC7Data::g_modes[mode].m_pBitMode == BC7Data::PBitMode_PerSubset) - parityBitMax = 2; - - int numRealChannels = isRGB ? 3 : 4; - - int numShapes; - const int *shapeList; - const int *shapeCollapseList; - - if (numSubsets == 1) - { - numShapes = BC7Data::g_numShapes1; - shapeList = BC7Data::g_shapeList1; - shapeCollapseList = BC7Data::g_shapeList1Collapse; - } - else if (numSubsets == 2) - { - numShapes = BC7Data::g_numShapes2; - shapeList = BC7Data::g_shapeList2; - shapeCollapseList = BC7Data::g_shapeList2Collapse; - } - else - { - assert(numSubsets == 3); - if (numPartitions == 16) - { - numShapes = BC7Data::g_numShapes3Short; - shapeList = BC7Data::g_shapeList3Short; - shapeCollapseList = BC7Data::g_shapeList3ShortCollapse; - } - else - { - assert(numPartitions == 64); - numShapes = BC7Data::g_numShapes3; - shapeList = BC7Data::g_shapeList3; - shapeCollapseList = BC7Data::g_shapeList3Collapse; - } - } - - for (int slot = 0; slot < BC7Data::g_maxFragmentsPerMode; slot++) - temps.shapeBestError[slot] = ParallelMath::MakeFloat(FLT_MAX); - - for (int shapeIter = 0; shapeIter < numShapes; shapeIter++) - { - int shape = shapeList[shapeIter]; - int shapeStart = BC7Data::g_shapeRanges[shape][0]; - int shapeLength = BC7Data::g_shapeRanges[shape][1]; - int shapeCollapsedEvalIndex = shapeCollapseList[shape]; - - AggregatedError<1> alphaAggError; - if (isRGB && anyBlockHasAlpha) - { - MUInt15 filledAlpha[1] = { ParallelMath::MakeUInt15(255) }; - - for (int pxi = 0; pxi < shapeLength; pxi++) - { - int px = BC7Data::g_fragments[shapeStart + pxi]; - MUInt15 original[1] = { pixels[px][3] }; - BCCommon::ComputeErrorLDR<1>(flags, filledAlpha, original, alphaAggError); - } - } - - float alphaWeightsSq[1] = { channelWeightsSq[3] }; - MFloat staticAlphaError = alphaAggError.Finalize(flags, alphaWeightsSq); - - assert(shapeCollapsedEvalIndex >= 0); - - MUInt15 tweakBaseEP[MaxTweakRounds][2][4]; - - for (int tweak = 0; tweak < numTweakRounds; tweak++) - { - if (isRGB) - { - temps.unfinishedRGB[rgbInitialEPCollapseList[shape]].FinishLDR(tweak, 1 << indexPrec, tweakBaseEP[tweak][0], tweakBaseEP[tweak][1]); - tweakBaseEP[tweak][0][3] = tweakBaseEP[tweak][1][3] = ParallelMath::MakeUInt15(255); - } - else - { - temps.unfinishedRGBA[rgbaInitialEPCollapseList[shape]].FinishLDR(tweak, 1 << indexPrec, tweakBaseEP[tweak][0], tweakBaseEP[tweak][1]); - } - } - - ParallelMath::Int16CompFlag punchThroughInvalid[4]; - for (int pIter = 0; pIter < parityBitMax; pIter++) - { - punchThroughInvalid[pIter] = ParallelMath::MakeBoolInt16(false); - - if ((flags & Flags::BC7_RespectPunchThrough) && (mode == 6 || mode == 7)) - { - // Modes 6 and 7 have parity bits that affect alpha - if (pIter == 0) - punchThroughInvalid[pIter] = (isPunchThrough & blockHasNonZeroAlpha); - else if (pIter == parityBitMax - 1) - punchThroughInvalid[pIter] = (isPunchThrough & blockHasNonMaxAlpha); - else - punchThroughInvalid[pIter] = isPunchThrough; - } - } - - for (int pIter = 0; pIter < parityBitMax; pIter++) - { - if (ParallelMath::AllSet(punchThroughInvalid[pIter])) - continue; - - bool needPunchThroughCheck = ParallelMath::AnySet(punchThroughInvalid[pIter]); - - for (int tweak = 0; tweak < numTweakRounds; tweak++) - { - uint16_t p[2]; - p[0] = (pIter & 1); - p[1] = ((pIter >> 1) & 1); - - MUInt15 ep[2][4]; - - for (int epi = 0; epi < 2; epi++) - for (int ch = 0; ch < 4; ch++) - ep[epi][ch] = tweakBaseEP[tweak][epi][ch]; - - for (int refine = 0; refine < numRefineRounds; refine++) - { - switch (mode) - { - case 0: - CompressEndpoints0(ep, p, rtn); - break; - case 1: - CompressEndpoints1(ep, p[0], rtn); - break; - case 2: - CompressEndpoints2(ep, rtn); - break; - case 3: - CompressEndpoints3(ep, p, rtn); - break; - case 6: - CompressEndpoints6(ep, p, rtn); - break; - case 7: - CompressEndpoints7(ep, p, rtn); - break; - default: - assert(false); - break; - }; - - MFloat shapeError = ParallelMath::MakeFloatZero(); - - IndexSelector<4> indexSelector; - indexSelector.Init<false>(channelWeights, ep, 1 << indexPrec); - - EndpointRefiner<4> epRefiner; - epRefiner.Init(1 << indexPrec, channelWeights); - - MUInt15 indexes[16]; - - AggregatedError<4> aggError; - for (int pxi = 0; pxi < shapeLength; pxi++) - { - int px = BC7Data::g_fragments[shapeStart + pxi]; - - MUInt15 index; - MUInt15 reconstructed[4]; - - index = indexSelector.SelectIndexLDR(floatPixels[px], rtn); - indexSelector.ReconstructLDR_BC7(index, reconstructed, numRealChannels); - - if (flags & cvtt::Flags::BC7_FastIndexing) - BCCommon::ComputeErrorLDR<4>(flags, reconstructed, pixels[px], numRealChannels, aggError); - else - { - MFloat error = BCCommon::ComputeErrorLDRSimple<4>(flags, reconstructed, pixels[px], numRealChannels, channelWeightsSq); - - MUInt15 altIndexes[2]; - altIndexes[0] = ParallelMath::Max(index, ParallelMath::MakeUInt15(1)) - ParallelMath::MakeUInt15(1); - altIndexes[1] = ParallelMath::Min(index + ParallelMath::MakeUInt15(1), ParallelMath::MakeUInt15(static_cast<uint16_t>((1 << indexPrec) - 1))); - - for (int ii = 0; ii < 2; ii++) - { - indexSelector.ReconstructLDR_BC7(altIndexes[ii], reconstructed, numRealChannels); - - MFloat altError = BCCommon::ComputeErrorLDRSimple<4>(flags, reconstructed, pixels[px], numRealChannels, channelWeightsSq); - ParallelMath::Int16CompFlag better = ParallelMath::FloatFlagToInt16(ParallelMath::Less(altError, error)); - error = ParallelMath::Min(error, altError); - ParallelMath::ConditionalSet(index, better, altIndexes[ii]); - } - - shapeError = shapeError + error; - } - - if (refine != numRefineRounds - 1) - epRefiner.ContributeUnweightedPW(preWeightedPixels[px], index, numRealChannels); - - indexes[pxi] = index; - } - - if (flags & cvtt::Flags::BC7_FastIndexing) - shapeError = aggError.Finalize(flags, channelWeightsSq); - - if (isRGB) - shapeError = shapeError + staticAlphaError; - - ParallelMath::FloatCompFlag shapeErrorBetter; - ParallelMath::Int16CompFlag shapeErrorBetter16; - - shapeErrorBetter = ParallelMath::Less(shapeError, temps.shapeBestError[shapeCollapsedEvalIndex]); - shapeErrorBetter16 = ParallelMath::FloatFlagToInt16(shapeErrorBetter); - - if (ParallelMath::AnySet(shapeErrorBetter16)) - { - bool punchThroughOK = true; - if (needPunchThroughCheck) - { - shapeErrorBetter16 = ParallelMath::AndNot(punchThroughInvalid[pIter], shapeErrorBetter16); - shapeErrorBetter = ParallelMath::Int16FlagToFloat(shapeErrorBetter16); - - if (!ParallelMath::AnySet(shapeErrorBetter16)) - punchThroughOK = false; - } - - if (punchThroughOK) - { - ParallelMath::ConditionalSet(temps.shapeBestError[shapeCollapsedEvalIndex], shapeErrorBetter, shapeError); - for (int epi = 0; epi < 2; epi++) - for (int ch = 0; ch < numRealChannels; ch++) - ParallelMath::ConditionalSet(temps.shapeBestEP[shapeCollapsedEvalIndex][epi][ch], shapeErrorBetter16, ep[epi][ch]); - - for (int pxi = 0; pxi < shapeLength; pxi++) - ParallelMath::ConditionalSet(temps.fragmentBestIndexes[shapeStart + pxi], shapeErrorBetter16, indexes[pxi]); - } - } - - if (refine != numRefineRounds - 1) - epRefiner.GetRefinedEndpointsLDR(ep, numRealChannels, rtn); - } // refine - } // tweak - } // p - - if (flags & cvtt::Flags::BC7_TrySingleColor) - { - MUInt15 total[4]; - for (int ch = 0; ch < 4; ch++) - total[ch] = ParallelMath::MakeUInt15(0); - - for (int pxi = 0; pxi < shapeLength; pxi++) - { - int px = BC7Data::g_fragments[shapeStart + pxi]; - for (int ch = 0; ch < 4; ch++) - total[ch] = total[ch] + pixels[pxi][ch]; - } - - MFloat rcpShapeLength = ParallelMath::MakeFloat(1.0f / static_cast<float>(shapeLength)); - MFloat average[4]; - for (int ch = 0; ch < 4; ch++) - average[ch] = ParallelMath::ToFloat(total[ch]) * rcpShapeLength; - - const uint8_t *fragment = BC7Data::g_fragments + shapeStart; - MFloat &shapeBestError = temps.shapeBestError[shapeCollapsedEvalIndex]; - MUInt15(&shapeBestEP)[2][4] = temps.shapeBestEP[shapeCollapsedEvalIndex]; - MUInt15 *fragmentBestIndexes = temps.fragmentBestIndexes + shapeStart; - - const cvtt::Tables::BC7SC::Table **scTables = NULL; - int numSCTables = 0; - - switch (mode) - { - case 0: - { - const cvtt::Tables::BC7SC::Table *tables[] = - { - &cvtt::Tables::BC7SC::g_mode0_p00_i1, - &cvtt::Tables::BC7SC::g_mode0_p00_i2, - &cvtt::Tables::BC7SC::g_mode0_p00_i3, - &cvtt::Tables::BC7SC::g_mode0_p01_i1, - &cvtt::Tables::BC7SC::g_mode0_p01_i2, - &cvtt::Tables::BC7SC::g_mode0_p01_i3, - &cvtt::Tables::BC7SC::g_mode0_p10_i1, - &cvtt::Tables::BC7SC::g_mode0_p10_i2, - &cvtt::Tables::BC7SC::g_mode0_p10_i3, - &cvtt::Tables::BC7SC::g_mode0_p11_i1, - &cvtt::Tables::BC7SC::g_mode0_p11_i2, - &cvtt::Tables::BC7SC::g_mode0_p11_i3, - }; - scTables = tables; - numSCTables = sizeof(tables) / sizeof(tables[0]); - } - break; - case 1: - { - const cvtt::Tables::BC7SC::Table *tables[] = - { - &cvtt::Tables::BC7SC::g_mode1_p0_i1, - &cvtt::Tables::BC7SC::g_mode1_p0_i2, - &cvtt::Tables::BC7SC::g_mode1_p0_i3, - &cvtt::Tables::BC7SC::g_mode1_p1_i1, - &cvtt::Tables::BC7SC::g_mode1_p1_i2, - &cvtt::Tables::BC7SC::g_mode1_p1_i3, - }; - scTables = tables; - numSCTables = sizeof(tables) / sizeof(tables[0]); - } - break; - case 2: - { - const cvtt::Tables::BC7SC::Table *tables[] = - { - &cvtt::Tables::BC7SC::g_mode2, - }; - scTables = tables; - numSCTables = sizeof(tables) / sizeof(tables[0]); - } - break; - case 3: - { - const cvtt::Tables::BC7SC::Table *tables[] = - { - &cvtt::Tables::BC7SC::g_mode3_p0, - &cvtt::Tables::BC7SC::g_mode3_p1, - }; - scTables = tables; - numSCTables = sizeof(tables) / sizeof(tables[0]); - } - break; - case 6: - { - const cvtt::Tables::BC7SC::Table *tables[] = - { - &cvtt::Tables::BC7SC::g_mode6_p0_i1, - &cvtt::Tables::BC7SC::g_mode6_p0_i2, - &cvtt::Tables::BC7SC::g_mode6_p0_i3, - &cvtt::Tables::BC7SC::g_mode6_p0_i4, - &cvtt::Tables::BC7SC::g_mode6_p0_i5, - &cvtt::Tables::BC7SC::g_mode6_p0_i6, - &cvtt::Tables::BC7SC::g_mode6_p0_i7, - &cvtt::Tables::BC7SC::g_mode6_p1_i1, - &cvtt::Tables::BC7SC::g_mode6_p1_i2, - &cvtt::Tables::BC7SC::g_mode6_p1_i3, - &cvtt::Tables::BC7SC::g_mode6_p1_i4, - &cvtt::Tables::BC7SC::g_mode6_p1_i5, - &cvtt::Tables::BC7SC::g_mode6_p1_i6, - &cvtt::Tables::BC7SC::g_mode6_p1_i7, - }; - scTables = tables; - numSCTables = sizeof(tables) / sizeof(tables[0]); - } - break; - case 7: - { - const cvtt::Tables::BC7SC::Table *tables[] = - { - &cvtt::Tables::BC7SC::g_mode7_p00, - &cvtt::Tables::BC7SC::g_mode7_p01, - &cvtt::Tables::BC7SC::g_mode7_p10, - &cvtt::Tables::BC7SC::g_mode7_p11, - }; - scTables = tables; - numSCTables = sizeof(tables) / sizeof(tables[0]); - } - break; - default: - assert(false); - break; - } - - TrySingleColorRGBAMultiTable(flags, pixels, average, numRealChannels, fragment, shapeLength, staticAlphaError, punchThroughInvalid, shapeBestError, shapeBestEP, fragmentBestIndexes, channelWeightsSq, scTables, numSCTables, rtn); - } - } // shapeIter - - for (uint16_t partition = 0; partition < numPartitions; partition++) - { - const int *partitionShapes; - if (numSubsets == 1) - partitionShapes = BC7Data::g_shapes1[partition]; - else if (numSubsets == 2) - partitionShapes = BC7Data::g_shapes2[partition]; - else - { - assert(numSubsets == 3); - partitionShapes = BC7Data::g_shapes3[partition]; - } - - MFloat totalError = ParallelMath::MakeFloatZero(); - for (int subset = 0; subset < numSubsets; subset++) - totalError = totalError + temps.shapeBestError[shapeCollapseList[partitionShapes[subset]]]; - - ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(totalError, work.m_error); - ParallelMath::Int16CompFlag errorBetter16 = ParallelMath::FloatFlagToInt16(errorBetter); - - if (ParallelMath::AnySet(errorBetter16)) - { - for (int subset = 0; subset < numSubsets; subset++) - { - int shape = partitionShapes[subset]; - int shapeStart = BC7Data::g_shapeRanges[shape][0]; - int shapeLength = BC7Data::g_shapeRanges[shape][1]; - int shapeCollapsedEvalIndex = shapeCollapseList[shape]; - - for (int epi = 0; epi < 2; epi++) - for (int ch = 0; ch < 4; ch++) - ParallelMath::ConditionalSet(work.m_ep[subset][epi][ch], errorBetter16, temps.shapeBestEP[shapeCollapsedEvalIndex][epi][ch]); - - for (int pxi = 0; pxi < shapeLength; pxi++) - { - int px = BC7Data::g_fragments[shapeStart + pxi]; - ParallelMath::ConditionalSet(work.m_indexes[px], errorBetter16, temps.fragmentBestIndexes[shapeStart + pxi]); - } - } - - work.m_error = ParallelMath::Min(totalError, work.m_error); - ParallelMath::ConditionalSet(work.m_mode, errorBetter16, ParallelMath::MakeUInt15(mode)); - ParallelMath::ConditionalSet(work.m_u.m_partition, errorBetter16, ParallelMath::MakeUInt15(partition)); - } - } - } - } - - static void TryDualPlane(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const float channelWeights[4], int numTweakRounds, int numRefineRounds, WorkInfo& work, const ParallelMath::RoundTowardNearestForScope *rtn) - { - // TODO: These error calculations are not optimal for weight-by-alpha, but this routine needs to be mostly rewritten for that. - // The alpha/color solutions are co-dependent in that case, but a good way to solve it would probably be to - // solve the alpha channel first, then solve the RGB channels, which in turn breaks down into two cases: - // - Separate alpha channel, then weighted RGB - // - Alpha+2 other channels, then the independent channel - - if (!(flags & Flags::BC7_EnableDualPlane)) - return; - - if (numRefineRounds < 1) - numRefineRounds = 1; - - if (numTweakRounds < 1) - numTweakRounds = 1; - else if (numTweakRounds > MaxTweakRounds) - numTweakRounds = MaxTweakRounds; - - float channelWeightsSq[4]; - for (int ch = 0; ch < 4; ch++) - channelWeightsSq[ch] = channelWeights[ch] * channelWeights[ch]; - - for (uint16_t mode = 4; mode <= 5; mode++) - { - for (uint16_t rotation = 0; rotation < 4; rotation++) - { - int alphaChannel = (rotation + 3) & 3; - int redChannel = (rotation == 1) ? 3 : 0; - int greenChannel = (rotation == 2) ? 3 : 1; - int blueChannel = (rotation == 3) ? 3 : 2; - - MUInt15 rotatedRGB[16][3]; - MFloat floatRotatedRGB[16][3]; - - for (int px = 0; px < 16; px++) - { - rotatedRGB[px][0] = pixels[px][redChannel]; - rotatedRGB[px][1] = pixels[px][greenChannel]; - rotatedRGB[px][2] = pixels[px][blueChannel]; - - for (int ch = 0; ch < 3; ch++) - floatRotatedRGB[px][ch] = ParallelMath::ToFloat(rotatedRGB[px][ch]); - } - - uint16_t maxIndexSelector = (mode == 4) ? 2 : 1; - - float rotatedRGBWeights[3] = { channelWeights[redChannel], channelWeights[greenChannel], channelWeights[blueChannel] }; - float rotatedRGBWeightsSq[3] = { channelWeightsSq[redChannel], channelWeightsSq[greenChannel], channelWeightsSq[blueChannel] }; - float rotatedAlphaWeight[1] = { channelWeights[alphaChannel] }; - float rotatedAlphaWeightSq[1] = { channelWeightsSq[alphaChannel] }; - - float uniformWeight[1] = { 1.0f }; // Since the alpha channel is independent, there's no need to bother with weights when doing refinement or selection, only error - - MFloat preWeightedRotatedRGB[16][3]; - BCCommon::PreWeightPixelsLDR<3>(preWeightedRotatedRGB, rotatedRGB, rotatedRGBWeights); - - for (uint16_t indexSelector = 0; indexSelector < maxIndexSelector; indexSelector++) - { - EndpointSelector<3, 8> rgbSelector; - - for (int epPass = 0; epPass < NumEndpointSelectorPasses; epPass++) - { - for (int px = 0; px < 16; px++) - rgbSelector.ContributePass(preWeightedRotatedRGB[px], epPass, ParallelMath::MakeFloat(1.0f)); - - rgbSelector.FinishPass(epPass); - } - - MUInt15 alphaRange[2]; - - alphaRange[0] = alphaRange[1] = pixels[0][alphaChannel]; - for (int px = 1; px < 16; px++) - { - alphaRange[0] = ParallelMath::Min(pixels[px][alphaChannel], alphaRange[0]); - alphaRange[1] = ParallelMath::Max(pixels[px][alphaChannel], alphaRange[1]); - } - - int rgbPrec = 0; - int alphaPrec = 0; - - if (mode == 4) - { - rgbPrec = indexSelector ? 3 : 2; - alphaPrec = indexSelector ? 2 : 3; - } - else - rgbPrec = alphaPrec = 2; - - UnfinishedEndpoints<3> unfinishedRGB = rgbSelector.GetEndpoints(rotatedRGBWeights); - - MFloat bestRGBError = ParallelMath::MakeFloat(FLT_MAX); - MFloat bestAlphaError = ParallelMath::MakeFloat(FLT_MAX); - - MUInt15 bestRGBIndexes[16]; - MUInt15 bestAlphaIndexes[16]; - MUInt15 bestEP[2][4]; - - for (int px = 0; px < 16; px++) - bestRGBIndexes[px] = bestAlphaIndexes[px] = ParallelMath::MakeUInt15(0); - - for (int tweak = 0; tweak < numTweakRounds; tweak++) - { - MUInt15 rgbEP[2][3]; - MUInt15 alphaEP[2]; - - unfinishedRGB.FinishLDR(tweak, 1 << rgbPrec, rgbEP[0], rgbEP[1]); - - TweakAlpha(alphaRange, tweak, 1 << alphaPrec, alphaEP); - - for (int refine = 0; refine < numRefineRounds; refine++) - { - if (mode == 4) - CompressEndpoints4(rgbEP, alphaEP, rtn); - else - CompressEndpoints5(rgbEP, alphaEP, rtn); - - - IndexSelector<1> alphaIndexSelector; - IndexSelector<3> rgbIndexSelector; - - { - MUInt15 alphaEPTemp[2][1] = { { alphaEP[0] },{ alphaEP[1] } }; - alphaIndexSelector.Init<false>(uniformWeight, alphaEPTemp, 1 << alphaPrec); - } - rgbIndexSelector.Init<false>(rotatedRGBWeights, rgbEP, 1 << rgbPrec); - - EndpointRefiner<3> rgbRefiner; - EndpointRefiner<1> alphaRefiner; - - rgbRefiner.Init(1 << rgbPrec, rotatedRGBWeights); - alphaRefiner.Init(1 << alphaPrec, uniformWeight); - - MFloat errorRGB = ParallelMath::MakeFloatZero(); - MFloat errorA = ParallelMath::MakeFloatZero(); - - MUInt15 rgbIndexes[16]; - MUInt15 alphaIndexes[16]; - - AggregatedError<3> rgbAggError; - AggregatedError<1> alphaAggError; - - for (int px = 0; px < 16; px++) - { - MUInt15 rgbIndex = rgbIndexSelector.SelectIndexLDR(floatRotatedRGB[px], rtn); - MUInt15 alphaIndex = alphaIndexSelector.SelectIndexLDR(floatPixels[px] + alphaChannel, rtn); - - MUInt15 reconstructedRGB[3]; - MUInt15 reconstructedAlpha[1]; - - rgbIndexSelector.ReconstructLDR_BC7(rgbIndex, reconstructedRGB); - alphaIndexSelector.ReconstructLDR_BC7(alphaIndex, reconstructedAlpha); - - if (flags & cvtt::Flags::BC7_FastIndexing) - { - BCCommon::ComputeErrorLDR<3>(flags, reconstructedRGB, rotatedRGB[px], rgbAggError); - BCCommon::ComputeErrorLDR<1>(flags, reconstructedAlpha, pixels[px] + alphaChannel, alphaAggError); - } - else - { - AggregatedError<3> baseRGBAggError; - AggregatedError<1> baseAlphaAggError; - - BCCommon::ComputeErrorLDR<3>(flags, reconstructedRGB, rotatedRGB[px], baseRGBAggError); - BCCommon::ComputeErrorLDR<1>(flags, reconstructedAlpha, pixels[px] + alphaChannel, baseAlphaAggError); - - MFloat rgbError = baseRGBAggError.Finalize(flags, rotatedRGBWeightsSq); - MFloat alphaError = baseAlphaAggError.Finalize(flags, rotatedAlphaWeightSq); - - MUInt15 altRGBIndexes[2]; - MUInt15 altAlphaIndexes[2]; - - altRGBIndexes[0] = ParallelMath::Max(rgbIndex, ParallelMath::MakeUInt15(1)) - ParallelMath::MakeUInt15(1); - altRGBIndexes[1] = ParallelMath::Min(rgbIndex + ParallelMath::MakeUInt15(1), ParallelMath::MakeUInt15(static_cast<uint16_t>((1 << rgbPrec) - 1))); - - altAlphaIndexes[0] = ParallelMath::Max(alphaIndex, ParallelMath::MakeUInt15(1)) - ParallelMath::MakeUInt15(1); - altAlphaIndexes[1] = ParallelMath::Min(alphaIndex + ParallelMath::MakeUInt15(1), ParallelMath::MakeUInt15(static_cast<uint16_t>((1 << alphaPrec) - 1))); - - for (int ii = 0; ii < 2; ii++) - { - rgbIndexSelector.ReconstructLDR_BC7(altRGBIndexes[ii], reconstructedRGB); - alphaIndexSelector.ReconstructLDR_BC7(altAlphaIndexes[ii], reconstructedAlpha); - - AggregatedError<3> altRGBAggError; - AggregatedError<1> altAlphaAggError; - - BCCommon::ComputeErrorLDR<3>(flags, reconstructedRGB, rotatedRGB[px], altRGBAggError); - BCCommon::ComputeErrorLDR<1>(flags, reconstructedAlpha, pixels[px] + alphaChannel, altAlphaAggError); - - MFloat altRGBError = altRGBAggError.Finalize(flags, rotatedRGBWeightsSq); - MFloat altAlphaError = altAlphaAggError.Finalize(flags, rotatedAlphaWeightSq); - - ParallelMath::Int16CompFlag rgbBetter = ParallelMath::FloatFlagToInt16(ParallelMath::Less(altRGBError, rgbError)); - ParallelMath::Int16CompFlag alphaBetter = ParallelMath::FloatFlagToInt16(ParallelMath::Less(altAlphaError, alphaError)); - - rgbError = ParallelMath::Min(altRGBError, rgbError); - alphaError = ParallelMath::Min(altAlphaError, alphaError); - - ParallelMath::ConditionalSet(rgbIndex, rgbBetter, altRGBIndexes[ii]); - ParallelMath::ConditionalSet(alphaIndex, alphaBetter, altAlphaIndexes[ii]); - } - - errorRGB = errorRGB + rgbError; - errorA = errorA + alphaError; - } - - if (refine != numRefineRounds - 1) - { - rgbRefiner.ContributeUnweightedPW(preWeightedRotatedRGB[px], rgbIndex); - alphaRefiner.ContributeUnweightedPW(floatPixels[px] + alphaChannel, alphaIndex); - } - - if (flags & Flags::BC7_FastIndexing) - { - errorRGB = rgbAggError.Finalize(flags, rotatedRGBWeightsSq); - errorA = rgbAggError.Finalize(flags, rotatedAlphaWeightSq); - } - - rgbIndexes[px] = rgbIndex; - alphaIndexes[px] = alphaIndex; - } - - ParallelMath::FloatCompFlag rgbBetter = ParallelMath::Less(errorRGB, bestRGBError); - ParallelMath::FloatCompFlag alphaBetter = ParallelMath::Less(errorA, bestAlphaError); - - ParallelMath::Int16CompFlag rgbBetterInt16 = ParallelMath::FloatFlagToInt16(rgbBetter); - ParallelMath::Int16CompFlag alphaBetterInt16 = ParallelMath::FloatFlagToInt16(alphaBetter); - - if (ParallelMath::AnySet(rgbBetterInt16)) - { - bestRGBError = ParallelMath::Min(errorRGB, bestRGBError); - - for (int px = 0; px < 16; px++) - ParallelMath::ConditionalSet(bestRGBIndexes[px], rgbBetterInt16, rgbIndexes[px]); - - for (int ep = 0; ep < 2; ep++) - { - for (int ch = 0; ch < 3; ch++) - ParallelMath::ConditionalSet(bestEP[ep][ch], rgbBetterInt16, rgbEP[ep][ch]); - } - } - - if (ParallelMath::AnySet(alphaBetterInt16)) - { - bestAlphaError = ParallelMath::Min(errorA, bestAlphaError); - - for (int px = 0; px < 16; px++) - ParallelMath::ConditionalSet(bestAlphaIndexes[px], alphaBetterInt16, alphaIndexes[px]); - - for (int ep = 0; ep < 2; ep++) - ParallelMath::ConditionalSet(bestEP[ep][3], alphaBetterInt16, alphaEP[ep]); - } - - if (refine != numRefineRounds - 1) - { - rgbRefiner.GetRefinedEndpointsLDR(rgbEP, rtn); - - MUInt15 alphaEPTemp[2][1]; - alphaRefiner.GetRefinedEndpointsLDR(alphaEPTemp, rtn); - - for (int i = 0; i < 2; i++) - alphaEP[i] = alphaEPTemp[i][0]; - } - } // refine - } // tweak - - MFloat combinedError = bestRGBError + bestAlphaError; - - ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(combinedError, work.m_error); - ParallelMath::Int16CompFlag errorBetter16 = ParallelMath::FloatFlagToInt16(errorBetter); - - work.m_error = ParallelMath::Min(combinedError, work.m_error); - - ParallelMath::ConditionalSet(work.m_mode, errorBetter16, ParallelMath::MakeUInt15(mode)); - ParallelMath::ConditionalSet(work.m_u.m_isr.m_rotation, errorBetter16, ParallelMath::MakeUInt15(rotation)); - ParallelMath::ConditionalSet(work.m_u.m_isr.m_indexSelector, errorBetter16, ParallelMath::MakeUInt15(indexSelector)); - - for (int px = 0; px < 16; px++) - { - ParallelMath::ConditionalSet(work.m_indexes[px], errorBetter16, indexSelector ? bestAlphaIndexes[px] : bestRGBIndexes[px]); - ParallelMath::ConditionalSet(work.m_indexes2[px], errorBetter16, indexSelector ? bestRGBIndexes[px] : bestAlphaIndexes[px]); - } - - for (int ep = 0; ep < 2; ep++) - for (int ch = 0; ch < 4; ch++) - ParallelMath::ConditionalSet(work.m_ep[0][ep][ch], errorBetter16, bestEP[ep][ch]); - } - } - } - } - - template<class T> - static void Swap(T& a, T& b) - { - T temp = a; - a = b; - b = temp; - } - - static void Pack(uint32_t flags, const PixelBlockU8* inputs, uint8_t* packedBlocks, const float channelWeights[4], int numTweakRounds, int numRefineRounds) - { - MUInt15 pixels[16][4]; - MFloat floatPixels[16][4]; - - for (int px = 0; px < 16; px++) - { - for (int ch = 0; ch < 4; ch++) - ParallelMath::ConvertLDRInputs(inputs, px, ch, pixels[px][ch]); - } - - for (int px = 0; px < 16; px++) - { - for (int ch = 0; ch < 4; ch++) - floatPixels[px][ch] = ParallelMath::ToFloat(pixels[px][ch]); - } - - WorkInfo work; - memset(&work, 0, sizeof(work)); - - work.m_error = ParallelMath::MakeFloat(FLT_MAX); - - { - ParallelMath::RoundTowardNearestForScope rtn; - TrySinglePlane(flags, pixels, floatPixels, channelWeights, numTweakRounds, numRefineRounds, work, &rtn); - TryDualPlane(flags, pixels, floatPixels, channelWeights, numTweakRounds, numRefineRounds, work, &rtn); - } - - for (int block = 0; block < ParallelMath::ParallelSize; block++) - { - PackingVector pv; - pv.Init(); - - ParallelMath::ScalarUInt16 mode = ParallelMath::Extract(work.m_mode, block); - ParallelMath::ScalarUInt16 partition = ParallelMath::Extract(work.m_u.m_partition, block); - ParallelMath::ScalarUInt16 indexSelector = ParallelMath::Extract(work.m_u.m_isr.m_indexSelector, block); - - const BC7Data::BC7ModeInfo& modeInfo = BC7Data::g_modes[mode]; - - ParallelMath::ScalarUInt16 indexes[16]; - ParallelMath::ScalarUInt16 indexes2[16]; - ParallelMath::ScalarUInt16 endPoints[3][2][4]; - - for (int i = 0; i < 16; i++) - { - indexes[i] = ParallelMath::Extract(work.m_indexes[i], block); - if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) - indexes2[i] = ParallelMath::Extract(work.m_indexes2[i], block); - } - - for (int subset = 0; subset < 3; subset++) - { - for (int ep = 0; ep < 2; ep++) - { - for (int ch = 0; ch < 4; ch++) - endPoints[subset][ep][ch] = ParallelMath::Extract(work.m_ep[subset][ep][ch], block); - } - } - - int fixups[3] = { 0, 0, 0 }; - - if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) - { - bool flipRGB = ((indexes[0] & (1 << (modeInfo.m_indexBits - 1))) != 0); - bool flipAlpha = ((indexes2[0] & (1 << (modeInfo.m_alphaIndexBits - 1))) != 0); - - if (flipRGB) - { - uint16_t highIndex = (1 << modeInfo.m_indexBits) - 1; - for (int px = 0; px < 16; px++) - indexes[px] = highIndex - indexes[px]; - } - - if (flipAlpha) - { - uint16_t highIndex = (1 << modeInfo.m_alphaIndexBits) - 1; - for (int px = 0; px < 16; px++) - indexes2[px] = highIndex - indexes2[px]; - } - - if (indexSelector) - Swap(flipRGB, flipAlpha); - - if (flipRGB) - { - for (int ch = 0; ch < 3; ch++) - Swap(endPoints[0][0][ch], endPoints[0][1][ch]); - } - if (flipAlpha) - Swap(endPoints[0][0][3], endPoints[0][1][3]); - - } - else - { - if (modeInfo.m_numSubsets == 2) - fixups[1] = BC7Data::g_fixupIndexes2[partition]; - else if (modeInfo.m_numSubsets == 3) - { - fixups[1] = BC7Data::g_fixupIndexes3[partition][0]; - fixups[2] = BC7Data::g_fixupIndexes3[partition][1]; - } - - bool flip[3] = { false, false, false }; - for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) - flip[subset] = ((indexes[fixups[subset]] & (1 << (modeInfo.m_indexBits - 1))) != 0); - - if (flip[0] || flip[1] || flip[2]) - { - uint16_t highIndex = (1 << modeInfo.m_indexBits) - 1; - for (int px = 0; px < 16; px++) - { - int subset = 0; - if (modeInfo.m_numSubsets == 2) - subset = (BC7Data::g_partitionMap[partition] >> px) & 1; - else if (modeInfo.m_numSubsets == 3) - subset = (BC7Data::g_partitionMap2[partition] >> (px * 2)) & 3; - - if (flip[subset]) - indexes[px] = highIndex - indexes[px]; - } - - int maxCH = (modeInfo.m_alphaMode == BC7Data::AlphaMode_Combined) ? 4 : 3; - for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) - { - if (flip[subset]) - for (int ch = 0; ch < maxCH; ch++) - Swap(endPoints[subset][0][ch], endPoints[subset][1][ch]); - } - } - } - - pv.Pack(static_cast<uint8_t>(1 << mode), mode + 1); - - if (modeInfo.m_partitionBits) - pv.Pack(partition, modeInfo.m_partitionBits); - - if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) - { - ParallelMath::ScalarUInt16 rotation = ParallelMath::Extract(work.m_u.m_isr.m_rotation, block); - pv.Pack(rotation, 2); - } - - if (modeInfo.m_hasIndexSelector) - pv.Pack(indexSelector, 1); - - // Encode RGB - for (int ch = 0; ch < 3; ch++) - { - for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) - { - for (int ep = 0; ep < 2; ep++) - { - ParallelMath::ScalarUInt16 epPart = endPoints[subset][ep][ch]; - epPart >>= (8 - modeInfo.m_rgbBits); - - pv.Pack(epPart, modeInfo.m_rgbBits); - } - } - } - - // Encode alpha - if (modeInfo.m_alphaMode != BC7Data::AlphaMode_None) - { - for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) - { - for (int ep = 0; ep < 2; ep++) - { - ParallelMath::ScalarUInt16 epPart = endPoints[subset][ep][3]; - epPart >>= (8 - modeInfo.m_alphaBits); - - pv.Pack(epPart, modeInfo.m_alphaBits); - } - } - } - - // Encode parity bits - if (modeInfo.m_pBitMode == BC7Data::PBitMode_PerSubset) - { - for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) - { - ParallelMath::ScalarUInt16 epPart = endPoints[subset][0][0]; - epPart >>= (7 - modeInfo.m_rgbBits); - epPart &= 1; - - pv.Pack(epPart, 1); - } - } - else if (modeInfo.m_pBitMode == BC7Data::PBitMode_PerEndpoint) - { - for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) - { - for (int ep = 0; ep < 2; ep++) - { - ParallelMath::ScalarUInt16 epPart = endPoints[subset][ep][0]; - epPart >>= (7 - modeInfo.m_rgbBits); - epPart &= 1; - - pv.Pack(epPart, 1); - } - } - } - - // Encode indexes - for (int px = 0; px < 16; px++) - { - int bits = modeInfo.m_indexBits; - if ((px == 0) || (px == fixups[1]) || (px == fixups[2])) - bits--; - - pv.Pack(indexes[px], bits); - } - - // Encode secondary indexes - if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) - { - for (int px = 0; px < 16; px++) - { - int bits = modeInfo.m_alphaIndexBits; - if (px == 0) - bits--; - - pv.Pack(indexes2[px], bits); - } - } - - pv.Flush(packedBlocks); - - packedBlocks += 16; - } - } - - static void UnpackOne(PixelBlockU8 &output, const uint8_t* packedBlock) - { - UnpackingVector pv; - pv.Init(packedBlock); - - int mode = 8; - for (int i = 0; i < 8; i++) - { - if (pv.Unpack(1) == 1) - { - mode = i; - break; - } - } - - if (mode > 7) - { - for (int px = 0; px < 16; px++) - for (int ch = 0; ch < 4; ch++) - output.m_pixels[px][ch] = 0; - - return; - } - - const BC7Data::BC7ModeInfo &modeInfo = BC7Data::g_modes[mode]; - - int partition = 0; - if (modeInfo.m_partitionBits) - partition = pv.Unpack(modeInfo.m_partitionBits); - - int rotation = 0; - if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) - rotation = pv.Unpack(2); - - int indexSelector = 0; - if (modeInfo.m_hasIndexSelector) - indexSelector = pv.Unpack(1); - - // Resolve fixups - int fixups[3] = { 0, 0, 0 }; - - if (modeInfo.m_alphaMode != BC7Data::AlphaMode_Separate) - { - if (modeInfo.m_numSubsets == 2) - fixups[1] = BC7Data::g_fixupIndexes2[partition]; - else if (modeInfo.m_numSubsets == 3) - { - fixups[1] = BC7Data::g_fixupIndexes3[partition][0]; - fixups[2] = BC7Data::g_fixupIndexes3[partition][1]; - } - } - - int endPoints[3][2][4]; - - // Decode RGB - for (int ch = 0; ch < 3; ch++) - { - for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) - { - for (int ep = 0; ep < 2; ep++) - endPoints[subset][ep][ch] = (pv.Unpack(modeInfo.m_rgbBits) << (8 - modeInfo.m_rgbBits)); - } - } - - // Decode alpha - if (modeInfo.m_alphaMode != BC7Data::AlphaMode_None) - { - for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) - { - for (int ep = 0; ep < 2; ep++) - endPoints[subset][ep][3] = (pv.Unpack(modeInfo.m_alphaBits) << (8 - modeInfo.m_alphaBits)); - } - } - else - { - for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) - { - for (int ep = 0; ep < 2; ep++) - endPoints[subset][ep][3] = 255; - } - } - - int parityBits = 0; - - // Decode parity bits - if (modeInfo.m_pBitMode == BC7Data::PBitMode_PerSubset) - { - for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) - { - int p = pv.Unpack(1); - - for (int ep = 0; ep < 2; ep++) - { - for (int ch = 0; ch < 3; ch++) - endPoints[subset][ep][ch] |= p << (7 - modeInfo.m_rgbBits); - - if (modeInfo.m_alphaMode != BC7Data::AlphaMode_None) - endPoints[subset][ep][3] |= p << (7 - modeInfo.m_alphaBits); - } - } - - parityBits = 1; - } - else if (modeInfo.m_pBitMode == BC7Data::PBitMode_PerEndpoint) - { - for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) - { - for (int ep = 0; ep < 2; ep++) - { - int p = pv.Unpack(1); - - for (int ch = 0; ch < 3; ch++) - endPoints[subset][ep][ch] |= p << (7 - modeInfo.m_rgbBits); - - if (modeInfo.m_alphaMode != BC7Data::AlphaMode_None) - endPoints[subset][ep][3] |= p << (7 - modeInfo.m_alphaBits); - } - } - - parityBits = 1; - } - - // Fill endpoint bits - for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) - { - for (int ep = 0; ep < 2; ep++) - { - for (int ch = 0; ch < 3; ch++) - endPoints[subset][ep][ch] |= (endPoints[subset][ep][ch] >> (modeInfo.m_rgbBits + parityBits)); - - if (modeInfo.m_alphaMode != BC7Data::AlphaMode_None) - endPoints[subset][ep][3] |= (endPoints[subset][ep][3] >> (modeInfo.m_alphaBits + parityBits)); - } - } - - int indexes[16]; - int indexes2[16]; - - // Decode indexes - for (int px = 0; px < 16; px++) - { - int bits = modeInfo.m_indexBits; - if ((px == 0) || (px == fixups[1]) || (px == fixups[2])) - bits--; - - indexes[px] = pv.Unpack(bits); - } - - // Decode secondary indexes - if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) - { - for (int px = 0; px < 16; px++) - { - int bits = modeInfo.m_alphaIndexBits; - if (px == 0) - bits--; - - indexes2[px] = pv.Unpack(bits); - } - } - else - { - for (int px = 0; px < 16; px++) - indexes2[px] = 0; - } - - const int *alphaWeights = BC7Data::g_weightTables[modeInfo.m_alphaIndexBits]; - const int *rgbWeights = BC7Data::g_weightTables[modeInfo.m_indexBits]; - - // Decode each pixel - for (int px = 0; px < 16; px++) - { - int rgbWeight = 0; - int alphaWeight = 0; - - int rgbIndex = indexes[px]; - - rgbWeight = rgbWeights[indexes[px]]; - - if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Combined) - alphaWeight = rgbWeight; - else if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) - alphaWeight = alphaWeights[indexes2[px]]; - - if (indexSelector == 1) - { - int temp = rgbWeight; - rgbWeight = alphaWeight; - alphaWeight = temp; - } - - int pixel[4] = { 0, 0, 0, 255 }; - - int subset = 0; - - if (modeInfo.m_numSubsets == 2) - subset = (BC7Data::g_partitionMap[partition] >> px) & 1; - else if (modeInfo.m_numSubsets == 3) - subset = (BC7Data::g_partitionMap2[partition] >> (px * 2)) & 3; - - for (int ch = 0; ch < 3; ch++) - pixel[ch] = ((64 - rgbWeight) * endPoints[subset][0][ch] + rgbWeight * endPoints[subset][1][ch] + 32) >> 6; - - if (modeInfo.m_alphaMode != BC7Data::AlphaMode_None) - pixel[3] = ((64 - alphaWeight) * endPoints[subset][0][3] + alphaWeight * endPoints[subset][1][3] + 32) >> 6; - - if (rotation != 0) - { - int ch = rotation - 1; - int temp = pixel[ch]; - pixel[ch] = pixel[3]; - pixel[3] = temp; - } - - for (int ch = 0; ch < 4; ch++) - output.m_pixels[px][ch] = static_cast<uint8_t>(pixel[ch]); - } - } - }; - - class BC6HComputer - { - public: - typedef ParallelMath::Float MFloat; - typedef ParallelMath::SInt16 MSInt16; - typedef ParallelMath::UInt16 MUInt16; - typedef ParallelMath::UInt15 MUInt15; - typedef ParallelMath::AInt16 MAInt16; - typedef ParallelMath::SInt32 MSInt32; - typedef ParallelMath::UInt31 MUInt31; - - static const int MaxTweakRounds = 4; - static const int MaxRefineRounds = 3; - - static MSInt16 QuantizeSingleEndpointElementSigned(const MSInt16 &elem2CL, int precision, const ParallelMath::RoundUpForScope* ru) - { - assert(ParallelMath::AllSet(ParallelMath::Less(elem2CL, ParallelMath::MakeSInt16(31744)))); - assert(ParallelMath::AllSet(ParallelMath::Less(ParallelMath::MakeSInt16(-31744), elem2CL))); - - // Expand to full range - ParallelMath::Int16CompFlag isNegative = ParallelMath::Less(elem2CL, ParallelMath::MakeSInt16(0)); - MUInt15 absElem = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Select(isNegative, ParallelMath::MakeSInt16(0) - elem2CL, elem2CL)); - - absElem = ParallelMath::RightShift(ParallelMath::RoundAndConvertToU15(ParallelMath::ToFloat(absElem) * 32.0f / 31.0f, ru), 16 - precision); - - MSInt16 absElemS16 = ParallelMath::LosslessCast<MSInt16>::Cast(absElem); - - return ParallelMath::Select(isNegative, ParallelMath::MakeSInt16(0) - absElemS16, absElemS16); - } - - static MUInt15 QuantizeSingleEndpointElementUnsigned(const MUInt15 &elem, int precision, const ParallelMath::RoundUpForScope* ru) - { - MUInt16 expandedElem = ParallelMath::RoundAndConvertToU16(ParallelMath::Min(ParallelMath::ToFloat(elem) * 64.0f / 31.0f, ParallelMath::MakeFloat(65535.0f)), ru); - return ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(expandedElem, 16 - precision)); - } - - static void UnquantizeSingleEndpointElementSigned(const MSInt16 &comp, int precision, MSInt16 &outUnquantized, MSInt16 &outUnquantizedFinished2CL) - { - MSInt16 zero = ParallelMath::MakeSInt16(0); - - ParallelMath::Int16CompFlag negative = ParallelMath::Less(comp, zero); - MUInt15 absComp = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Select(negative, MSInt16(zero - comp), comp)); - - MSInt16 unq; - MUInt15 absUnq; - - if (precision >= 16) - { - unq = comp; - absUnq = absComp; - } - else - { - MSInt16 maxCompMinusOne = ParallelMath::MakeSInt16(static_cast<int16_t>((1 << (precision - 1)) - 2)); - ParallelMath::Int16CompFlag isZero = ParallelMath::Equal(comp, zero); - ParallelMath::Int16CompFlag isMax = ParallelMath::Less(maxCompMinusOne, comp); - - absUnq = (absComp << (16 - precision)) + ParallelMath::MakeUInt15(static_cast<uint16_t>(0x4000 >> (precision - 1))); - ParallelMath::ConditionalSet(absUnq, isZero, ParallelMath::MakeUInt15(0)); - ParallelMath::ConditionalSet(absUnq, isMax, ParallelMath::MakeUInt15(0x7fff)); - - unq = ParallelMath::ConditionalNegate(negative, ParallelMath::LosslessCast<MSInt16>::Cast(absUnq)); - } - - outUnquantized = unq; - - MUInt15 funq = ParallelMath::ToUInt15(ParallelMath::RightShift(ParallelMath::XMultiply(absUnq, ParallelMath::MakeUInt15(31)), 5)); - - outUnquantizedFinished2CL = ParallelMath::ConditionalNegate(negative, ParallelMath::LosslessCast<MSInt16>::Cast(funq)); - } - - static void UnquantizeSingleEndpointElementUnsigned(const MUInt15 &comp, int precision, MUInt16 &outUnquantized, MUInt16 &outUnquantizedFinished) - { - MUInt16 unq = ParallelMath::LosslessCast<MUInt16>::Cast(comp); - if (precision < 15) - { - MUInt15 zero = ParallelMath::MakeUInt15(0); - MUInt15 maxCompMinusOne = ParallelMath::MakeUInt15(static_cast<uint16_t>((1 << precision) - 2)); - - ParallelMath::Int16CompFlag isZero = ParallelMath::Equal(comp, zero); - ParallelMath::Int16CompFlag isMax = ParallelMath::Less(maxCompMinusOne, comp); - - unq = (ParallelMath::LosslessCast<MUInt16>::Cast(comp) << (16 - precision)) + ParallelMath::MakeUInt16(static_cast<uint16_t>(0x8000 >> precision)); - - ParallelMath::ConditionalSet(unq, isZero, ParallelMath::MakeUInt16(0)); - ParallelMath::ConditionalSet(unq, isMax, ParallelMath::MakeUInt16(0xffff)); - } - - outUnquantized = unq; - outUnquantizedFinished = ParallelMath::ToUInt16(ParallelMath::RightShift(ParallelMath::XMultiply(unq, ParallelMath::MakeUInt15(31)), 6)); - } - - static void QuantizeEndpointsSigned(const MSInt16 endPoints[2][3], const MFloat floatPixelsColorSpace[16][3], const MFloat floatPixelsLinearWeighted[16][3], MAInt16 quantizedEndPoints[2][3], MUInt15 indexes[16], IndexSelectorHDR<3> &indexSelector, int fixupIndex, int precision, int indexRange, const float *channelWeights, bool fastIndexing, const ParallelMath::RoundTowardNearestForScope *rtn) - { - MSInt16 unquantizedEP[2][3]; - MSInt16 finishedUnquantizedEP[2][3]; - - { - ParallelMath::RoundUpForScope ru; - - for (int epi = 0; epi < 2; epi++) - { - for (int ch = 0; ch < 3; ch++) - { - MSInt16 qee = QuantizeSingleEndpointElementSigned(endPoints[epi][ch], precision, &ru); - UnquantizeSingleEndpointElementSigned(qee, precision, unquantizedEP[epi][ch], finishedUnquantizedEP[epi][ch]); - quantizedEndPoints[epi][ch] = ParallelMath::LosslessCast<MAInt16>::Cast(qee); - } - } - } - - indexSelector.Init(channelWeights, unquantizedEP, finishedUnquantizedEP, indexRange); - indexSelector.InitHDR(indexRange, true, fastIndexing, channelWeights); - - MUInt15 halfRangeMinusOne = ParallelMath::MakeUInt15(static_cast<uint16_t>(indexRange / 2) - 1); - - MUInt15 index = fastIndexing ? indexSelector.SelectIndexHDRFast(floatPixelsColorSpace[fixupIndex], rtn) : indexSelector.SelectIndexHDRSlow(floatPixelsLinearWeighted[fixupIndex], rtn); - - ParallelMath::Int16CompFlag invert = ParallelMath::Less(halfRangeMinusOne, index); - - if (ParallelMath::AnySet(invert)) - { - ParallelMath::ConditionalSet(index, invert, MUInt15(ParallelMath::MakeUInt15(static_cast<uint16_t>(indexRange - 1)) - index)); - - indexSelector.ConditionalInvert(invert); - - for (int ch = 0; ch < 3; ch++) - { - MAInt16 firstEP = quantizedEndPoints[0][ch]; - MAInt16 secondEP = quantizedEndPoints[1][ch]; - - quantizedEndPoints[0][ch] = ParallelMath::Select(invert, secondEP, firstEP); - quantizedEndPoints[1][ch] = ParallelMath::Select(invert, firstEP, secondEP); - } - } - - indexes[fixupIndex] = index; - } - - static void QuantizeEndpointsUnsigned(const MSInt16 endPoints[2][3], const MFloat floatPixelsColorSpace[16][3], const MFloat floatPixelsLinearWeighted[16][3], MAInt16 quantizedEndPoints[2][3], MUInt15 indexes[16], IndexSelectorHDR<3> &indexSelector, int fixupIndex, int precision, int indexRange, const float *channelWeights, bool fastIndexing, const ParallelMath::RoundTowardNearestForScope *rtn) - { - MUInt16 unquantizedEP[2][3]; - MUInt16 finishedUnquantizedEP[2][3]; - - { - ParallelMath::RoundUpForScope ru; - - for (int epi = 0; epi < 2; epi++) - { - for (int ch = 0; ch < 3; ch++) - { - MUInt15 qee = QuantizeSingleEndpointElementUnsigned(ParallelMath::LosslessCast<MUInt15>::Cast(endPoints[epi][ch]), precision, &ru); - UnquantizeSingleEndpointElementUnsigned(qee, precision, unquantizedEP[epi][ch], finishedUnquantizedEP[epi][ch]); - quantizedEndPoints[epi][ch] = ParallelMath::LosslessCast<MAInt16>::Cast(qee); - } - } - } - - indexSelector.Init(channelWeights, unquantizedEP, finishedUnquantizedEP, indexRange); - indexSelector.InitHDR(indexRange, false, fastIndexing, channelWeights); - - MUInt15 halfRangeMinusOne = ParallelMath::MakeUInt15(static_cast<uint16_t>(indexRange / 2) - 1); - - MUInt15 index = fastIndexing ? indexSelector.SelectIndexHDRFast(floatPixelsColorSpace[fixupIndex], rtn) : indexSelector.SelectIndexHDRSlow(floatPixelsLinearWeighted[fixupIndex], rtn); - - ParallelMath::Int16CompFlag invert = ParallelMath::Less(halfRangeMinusOne, index); - - if (ParallelMath::AnySet(invert)) - { - ParallelMath::ConditionalSet(index, invert, MUInt15(ParallelMath::MakeUInt15(static_cast<uint16_t>(indexRange - 1)) - index)); - - indexSelector.ConditionalInvert(invert); - - for (int ch = 0; ch < 3; ch++) - { - MAInt16 firstEP = quantizedEndPoints[0][ch]; - MAInt16 secondEP = quantizedEndPoints[1][ch]; - - quantizedEndPoints[0][ch] = ParallelMath::Select(invert, secondEP, firstEP); - quantizedEndPoints[1][ch] = ParallelMath::Select(invert, firstEP, secondEP); - } - } - - indexes[fixupIndex] = index; - } - - static void EvaluatePartitionedLegality(const MAInt16 ep0[2][3], const MAInt16 ep1[2][3], int aPrec, const int bPrec[3], bool isTransformed, MAInt16 outEncodedEPs[2][2][3], ParallelMath::Int16CompFlag& outIsLegal) - { - ParallelMath::Int16CompFlag allLegal = ParallelMath::MakeBoolInt16(true); - - MAInt16 aSignificantMask = ParallelMath::MakeAInt16(static_cast<int16_t>((1 << aPrec) - 1)); - - for (int ch = 0; ch < 3; ch++) - { - outEncodedEPs[0][0][ch] = ep0[0][ch]; - outEncodedEPs[0][1][ch] = ep0[1][ch]; - outEncodedEPs[1][0][ch] = ep1[0][ch]; - outEncodedEPs[1][1][ch] = ep1[1][ch]; - - if (isTransformed) - { - for (int subset = 0; subset < 2; subset++) - { - for (int epi = 0; epi < 2; epi++) - { - if (epi == 0 && subset == 0) - continue; - - MAInt16 bReduced = (outEncodedEPs[subset][epi][ch] & aSignificantMask); - - MSInt16 delta = ParallelMath::TruncateToPrecisionSigned(ParallelMath::LosslessCast<MSInt16>::Cast(ParallelMath::AbstractSubtract(outEncodedEPs[subset][epi][ch], outEncodedEPs[0][0][ch])), bPrec[ch]); - - outEncodedEPs[subset][epi][ch] = ParallelMath::LosslessCast<MAInt16>::Cast(delta); - - MAInt16 reconstructed = (ParallelMath::AbstractAdd(outEncodedEPs[subset][epi][ch], outEncodedEPs[0][0][ch]) & aSignificantMask); - allLegal = allLegal & ParallelMath::Equal(reconstructed, bReduced); - } - } - } - - if (!ParallelMath::AnySet(allLegal)) - break; - } - - outIsLegal = allLegal; - } - - static void EvaluateSingleLegality(const MAInt16 ep[2][3], int aPrec, const int bPrec[3], bool isTransformed, MAInt16 outEncodedEPs[2][3], ParallelMath::Int16CompFlag& outIsLegal) - { - ParallelMath::Int16CompFlag allLegal = ParallelMath::MakeBoolInt16(true); - - MAInt16 aSignificantMask = ParallelMath::MakeAInt16(static_cast<int16_t>((1 << aPrec) - 1)); - - for (int ch = 0; ch < 3; ch++) - { - outEncodedEPs[0][ch] = ep[0][ch]; - outEncodedEPs[1][ch] = ep[1][ch]; - - if (isTransformed) - { - MAInt16 bReduced = (outEncodedEPs[1][ch] & aSignificantMask); - - MSInt16 delta = ParallelMath::TruncateToPrecisionSigned(ParallelMath::LosslessCast<MSInt16>::Cast(ParallelMath::AbstractSubtract(outEncodedEPs[1][ch], outEncodedEPs[0][ch])), bPrec[ch]); - - outEncodedEPs[1][ch] = ParallelMath::LosslessCast<MAInt16>::Cast(delta); - - MAInt16 reconstructed = (ParallelMath::AbstractAdd(outEncodedEPs[1][ch], outEncodedEPs[0][ch]) & aSignificantMask); - allLegal = allLegal & ParallelMath::Equal(reconstructed, bReduced); - } - } - - outIsLegal = allLegal; - } - - static void Pack(uint32_t flags, const PixelBlockF16* inputs, uint8_t* packedBlocks, const float channelWeights[4], bool isSigned, int numTweakRounds, int numRefineRounds) - { - if (numTweakRounds < 1) - numTweakRounds = 1; - else if (numTweakRounds > MaxTweakRounds) - numTweakRounds = MaxTweakRounds; - - if (numRefineRounds < 1) - numRefineRounds = 1; - else if (numRefineRounds > MaxRefineRounds) - numRefineRounds = MaxRefineRounds; - - bool fastIndexing = ((flags & cvtt::Flags::BC6H_FastIndexing) != 0); - float channelWeightsSq[3]; - - ParallelMath::RoundTowardNearestForScope rtn; - - MSInt16 pixels[16][3]; - MFloat floatPixels2CL[16][3]; - MFloat floatPixelsLinearWeighted[16][3]; - - MSInt16 low15Bits = ParallelMath::MakeSInt16(32767); - - for (int ch = 0; ch < 3; ch++) - channelWeightsSq[ch] = channelWeights[ch] * channelWeights[ch]; - - for (int px = 0; px < 16; px++) - { - for (int ch = 0; ch < 3; ch++) - { - MSInt16 pixelValue; - ParallelMath::ConvertHDRInputs(inputs, px, ch, pixelValue); - - // Convert from sign+magnitude to 2CL - if (isSigned) - { - ParallelMath::Int16CompFlag negative = ParallelMath::Less(pixelValue, ParallelMath::MakeSInt16(0)); - MSInt16 magnitude = (pixelValue & low15Bits); - ParallelMath::ConditionalSet(pixelValue, negative, ParallelMath::MakeSInt16(0) - magnitude); - pixelValue = ParallelMath::Max(pixelValue, ParallelMath::MakeSInt16(-31743)); - } - else - pixelValue = ParallelMath::Max(pixelValue, ParallelMath::MakeSInt16(0)); - - pixelValue = ParallelMath::Min(pixelValue, ParallelMath::MakeSInt16(31743)); - - pixels[px][ch] = pixelValue; - floatPixels2CL[px][ch] = ParallelMath::ToFloat(pixelValue); - floatPixelsLinearWeighted[px][ch] = ParallelMath::TwosCLHalfToFloat(pixelValue) * channelWeights[ch]; - } - } - - MFloat preWeightedPixels[16][3]; - - BCCommon::PreWeightPixelsHDR<3>(preWeightedPixels, pixels, channelWeights); - - MAInt16 bestEndPoints[2][2][3]; - MUInt15 bestIndexes[16]; - MFloat bestError = ParallelMath::MakeFloat(FLT_MAX); - MUInt15 bestMode = ParallelMath::MakeUInt15(0); - MUInt15 bestPartition = ParallelMath::MakeUInt15(0); - - for (int px = 0; px < 16; px++) - bestIndexes[px] = ParallelMath::MakeUInt15(0); - - for (int subset = 0; subset < 2; subset++) - for (int epi = 0; epi < 2; epi++) - for (int ch = 0; ch < 3; ch++) - bestEndPoints[subset][epi][ch] = ParallelMath::MakeAInt16(0); - - UnfinishedEndpoints<3> partitionedUFEP[32][2]; - UnfinishedEndpoints<3> singleUFEP; - - // Generate UFEP for partitions - for (int p = 0; p < 32; p++) - { - int partitionMask = BC7Data::g_partitionMap[p]; - - EndpointSelector<3, 8> epSelectors[2]; - - for (int pass = 0; pass < NumEndpointSelectorPasses; pass++) - { - for (int px = 0; px < 16; px++) - { - int subset = (partitionMask >> px) & 1; - epSelectors[subset].ContributePass(preWeightedPixels[px], pass, ParallelMath::MakeFloat(1.0f)); - } - - for (int subset = 0; subset < 2; subset++) - epSelectors[subset].FinishPass(pass); - } - - for (int subset = 0; subset < 2; subset++) - partitionedUFEP[p][subset] = epSelectors[subset].GetEndpoints(channelWeights); - } - - // Generate UFEP for single - { - EndpointSelector<3, 8> epSelector; - - for (int pass = 0; pass < NumEndpointSelectorPasses; pass++) - { - for (int px = 0; px < 16; px++) - epSelector.ContributePass(preWeightedPixels[px], pass, ParallelMath::MakeFloat(1.0f)); - - epSelector.FinishPass(pass); - } - - singleUFEP = epSelector.GetEndpoints(channelWeights); - } - - for (int partitionedInt = 0; partitionedInt < 2; partitionedInt++) - { - bool partitioned = (partitionedInt == 1); - - for (int aPrec = BC7Data::g_maxHDRPrecision; aPrec >= 0; aPrec--) - { - if (!BC7Data::g_hdrModesExistForPrecision[partitionedInt][aPrec]) - continue; - - int numPartitions = partitioned ? 32 : 1; - int numSubsets = partitioned ? 2 : 1; - int indexBits = partitioned ? 3 : 4; - int indexRange = (1 << indexBits); - - for (int p = 0; p < numPartitions; p++) - { - int partitionMask = partitioned ? BC7Data::g_partitionMap[p] : 0; - - const int MaxMetaRounds = MaxTweakRounds * MaxRefineRounds; - - MAInt16 metaEndPointsQuantized[MaxMetaRounds][2][2][3]; - MUInt15 metaIndexes[MaxMetaRounds][16]; - MFloat metaError[MaxMetaRounds][2]; - - bool roundValid[MaxMetaRounds][2]; - - for (int r = 0; r < MaxMetaRounds; r++) - for (int subset = 0; subset < 2; subset++) - roundValid[r][subset] = true; - - for (int subset = 0; subset < numSubsets; subset++) - { - for (int tweak = 0; tweak < MaxTweakRounds; tweak++) - { - EndpointRefiner<3> refiners[2]; - - bool abortRemainingRefines = false; - for (int refinePass = 0; refinePass < MaxRefineRounds; refinePass++) - { - int metaRound = tweak * MaxRefineRounds + refinePass; - - if (tweak >= numTweakRounds || refinePass >= numRefineRounds) - abortRemainingRefines = true; - - if (abortRemainingRefines) - { - roundValid[metaRound][subset] = false; - continue; - } - - MAInt16(&mrQuantizedEndPoints)[2][2][3] = metaEndPointsQuantized[metaRound]; - MUInt15(&mrIndexes)[16] = metaIndexes[metaRound]; - - MSInt16 endPointsColorSpace[2][3]; - - if (refinePass == 0) - { - UnfinishedEndpoints<3> ufep = partitioned ? partitionedUFEP[p][subset] : singleUFEP; - - if (isSigned) - ufep.FinishHDRSigned(tweak, indexRange, endPointsColorSpace[0], endPointsColorSpace[1], &rtn); - else - ufep.FinishHDRUnsigned(tweak, indexRange, endPointsColorSpace[0], endPointsColorSpace[1], &rtn); - } - else - refiners[subset].GetRefinedEndpointsHDR(endPointsColorSpace, isSigned, &rtn); - - refiners[subset].Init(indexRange, channelWeights); - - int fixupIndex = (subset == 0) ? 0 : BC7Data::g_fixupIndexes2[p]; - - IndexSelectorHDR<3> indexSelector; - if (isSigned) - QuantizeEndpointsSigned(endPointsColorSpace, floatPixels2CL, floatPixelsLinearWeighted, mrQuantizedEndPoints[subset], mrIndexes, indexSelector, fixupIndex, aPrec, indexRange, channelWeights, fastIndexing, &rtn); - else - QuantizeEndpointsUnsigned(endPointsColorSpace, floatPixels2CL, floatPixelsLinearWeighted, mrQuantizedEndPoints[subset], mrIndexes, indexSelector, fixupIndex, aPrec, indexRange, channelWeights, fastIndexing, &rtn); - - if (metaRound > 0) - { - ParallelMath::Int16CompFlag anySame = ParallelMath::MakeBoolInt16(false); - - for (int prevRound = 0; prevRound < metaRound; prevRound++) - { - MAInt16(&prevRoundEPs)[2][3] = metaEndPointsQuantized[prevRound][subset]; - - ParallelMath::Int16CompFlag same = ParallelMath::MakeBoolInt16(true); - - for (int epi = 0; epi < 2; epi++) - for (int ch = 0; ch < 3; ch++) - same = (same & ParallelMath::Equal(prevRoundEPs[epi][ch], mrQuantizedEndPoints[subset][epi][ch])); - - anySame = (anySame | same); - if (ParallelMath::AllSet(anySame)) - break; - } - - if (ParallelMath::AllSet(anySame)) - { - roundValid[metaRound][subset] = false; - continue; - } - } - - MFloat subsetError = ParallelMath::MakeFloatZero(); - - { - for (int px = 0; px < 16; px++) - { - if (subset != ((partitionMask >> px) & 1)) - continue; - - MUInt15 index; - if (px == fixupIndex) - index = mrIndexes[px]; - else - { - index = fastIndexing ? indexSelector.SelectIndexHDRFast(floatPixels2CL[px], &rtn) : indexSelector.SelectIndexHDRSlow(floatPixelsLinearWeighted[px], &rtn); - mrIndexes[px] = index; - } - - MSInt16 reconstructed[3]; - if (isSigned) - indexSelector.ReconstructHDRSigned(mrIndexes[px], reconstructed); - else - indexSelector.ReconstructHDRUnsigned(mrIndexes[px], reconstructed); - - subsetError = subsetError + (fastIndexing ? BCCommon::ComputeErrorHDRFast<3>(flags, reconstructed, pixels[px], channelWeightsSq) : BCCommon::ComputeErrorHDRSlow<3>(flags, reconstructed, pixels[px], channelWeightsSq)); - - if (refinePass != numRefineRounds - 1) - refiners[subset].ContributeUnweightedPW(preWeightedPixels[px], index); - } - } - - metaError[metaRound][subset] = subsetError; - } - } - } - - // Now we have a bunch of attempts, but not all of them will fit in the delta coding scheme - int numMeta1 = partitioned ? MaxMetaRounds : 1; - for (int meta0 = 0; meta0 < MaxMetaRounds; meta0++) - { - if (!roundValid[meta0][0]) - continue; - - for (int meta1 = 0; meta1 < numMeta1; meta1++) - { - MFloat combinedError = metaError[meta0][0]; - if (partitioned) - { - if (!roundValid[meta1][1]) - continue; - - combinedError = combinedError + metaError[meta1][1]; - } - - ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(combinedError, bestError); - if (!ParallelMath::AnySet(errorBetter)) - continue; - - ParallelMath::Int16CompFlag needsCommit = ParallelMath::FloatFlagToInt16(errorBetter); - - // Figure out if this is encodable - for (int mode = 0; mode < BC7Data::g_numHDRModes; mode++) - { - const BC7Data::BC6HModeInfo &modeInfo = BC7Data::g_hdrModes[mode]; - - if (modeInfo.m_partitioned != partitioned || modeInfo.m_aPrec != aPrec) - continue; - - MAInt16 encodedEPs[2][2][3]; - ParallelMath::Int16CompFlag isLegal; - if (partitioned) - EvaluatePartitionedLegality(metaEndPointsQuantized[meta0][0], metaEndPointsQuantized[meta1][1], modeInfo.m_aPrec, modeInfo.m_bPrec, modeInfo.m_transformed, encodedEPs, isLegal); - else - EvaluateSingleLegality(metaEndPointsQuantized[meta0][0], modeInfo.m_aPrec, modeInfo.m_bPrec, modeInfo.m_transformed, encodedEPs[0], isLegal); - - ParallelMath::Int16CompFlag isLegalAndBetter = (ParallelMath::FloatFlagToInt16(errorBetter) & isLegal); - if (!ParallelMath::AnySet(isLegalAndBetter)) - continue; - - ParallelMath::FloatCompFlag isLegalAndBetterFloat = ParallelMath::Int16FlagToFloat(isLegalAndBetter); - - ParallelMath::ConditionalSet(bestError, isLegalAndBetterFloat, combinedError); - ParallelMath::ConditionalSet(bestMode, isLegalAndBetter, ParallelMath::MakeUInt15(static_cast<uint16_t>(mode))); - ParallelMath::ConditionalSet(bestPartition, isLegalAndBetter, ParallelMath::MakeUInt15(static_cast<uint16_t>(p))); - - for (int subset = 0; subset < numSubsets; subset++) - { - for (int epi = 0; epi < 2; epi++) - { - for (int ch = 0; ch < 3; ch++) - ParallelMath::ConditionalSet(bestEndPoints[subset][epi][ch], isLegalAndBetter, encodedEPs[subset][epi][ch]); - } - } - - for (int px = 0; px < 16; px++) - { - int subset = ((partitionMask >> px) & 1); - if (subset == 0) - ParallelMath::ConditionalSet(bestIndexes[px], isLegalAndBetter, metaIndexes[meta0][px]); - else - ParallelMath::ConditionalSet(bestIndexes[px], isLegalAndBetter, metaIndexes[meta1][px]); - } - - needsCommit = ParallelMath::AndNot(needsCommit, isLegalAndBetter); - if (!ParallelMath::AnySet(needsCommit)) - break; - } - } - } - } - } - } - - // At this point, everything should be set - for (int block = 0; block < ParallelMath::ParallelSize; block++) - { - ParallelMath::ScalarUInt16 mode = ParallelMath::Extract(bestMode, block); - ParallelMath::ScalarUInt16 partition = ParallelMath::Extract(bestPartition, block); - int32_t eps[2][2][3]; - ParallelMath::ScalarUInt16 indexes[16]; - - const BC7Data::BC6HModeInfo& modeInfo = BC7Data::g_hdrModes[mode]; - - const BC6HData::ModeDescriptor* desc = BC6HData::g_modeDescriptors[mode]; - - const size_t headerBits = modeInfo.m_partitioned ? 82 : 65; - - for (int subset = 0; subset < 2; subset++) - { - for (int epi = 0; epi < 2; epi++) - { - for (int ch = 0; ch < 3; ch++) - eps[subset][epi][ch] = ParallelMath::Extract(bestEndPoints[subset][epi][ch], block); - } - } - - for (int px = 0; px < 16; px++) - indexes[px] = ParallelMath::Extract(bestIndexes[px], block); - - uint16_t modeID = modeInfo.m_modeID; - - PackingVector pv; - pv.Init(); - - for (size_t i = 0; i < headerBits; i++) - { - int32_t codedValue = 0; - switch (desc[i].m_eField) - { - case BC6HData::M: codedValue = modeID; break; - case BC6HData::D: codedValue = partition; break; - case BC6HData::RW: codedValue = eps[0][0][0]; break; - case BC6HData::RX: codedValue = eps[0][1][0]; break; - case BC6HData::RY: codedValue = eps[1][0][0]; break; - case BC6HData::RZ: codedValue = eps[1][1][0]; break; - case BC6HData::GW: codedValue = eps[0][0][1]; break; - case BC6HData::GX: codedValue = eps[0][1][1]; break; - case BC6HData::GY: codedValue = eps[1][0][1]; break; - case BC6HData::GZ: codedValue = eps[1][1][1]; break; - case BC6HData::BW: codedValue = eps[0][0][2]; break; - case BC6HData::BX: codedValue = eps[0][1][2]; break; - case BC6HData::BY: codedValue = eps[1][0][2]; break; - case BC6HData::BZ: codedValue = eps[1][1][2]; break; - default: assert(false); break; - } - - pv.Pack(static_cast<uint16_t>((codedValue >> desc[i].m_uBit) & 1), 1); - } - - int fixupIndex1 = 0; - int indexBits = 4; - if (modeInfo.m_partitioned) - { - fixupIndex1 = BC7Data::g_fixupIndexes2[partition]; - indexBits = 3; - } - - for (int px = 0; px < 16; px++) - { - ParallelMath::ScalarUInt16 index = ParallelMath::Extract(bestIndexes[px], block); - if (px == 0 || px == fixupIndex1) - pv.Pack(index, indexBits - 1); - else - pv.Pack(index, indexBits); - } - - pv.Flush(packedBlocks + 16 * block); - } - } - - static void SignExtendSingle(int &v, int bits) - { - if (v & (1 << (bits - 1))) - v |= -(1 << bits); - } - - static void UnpackOne(PixelBlockF16 &output, const uint8_t *pBC, bool isSigned) - { - UnpackingVector pv; - pv.Init(pBC); - - int numModeBits = 2; - int modeBits = pv.Unpack(2); - if (modeBits != 0 && modeBits != 1) - { - modeBits |= pv.Unpack(3) << 2; - numModeBits += 3; - } - - int mode = -1; - for (int possibleMode = 0; possibleMode < BC7Data::g_numHDRModes; possibleMode++) - { - if (BC7Data::g_hdrModes[possibleMode].m_modeID == modeBits) - { - mode = possibleMode; - break; - } - } - - if (mode < 0) - { - for (int px = 0; px < 16; px++) - { - for (int ch = 0; ch < 3; ch++) - output.m_pixels[px][ch] = 0; - output.m_pixels[px][3] = 0x3c00; // 1.0 - } - return; - } - - const BC7Data::BC6HModeInfo& modeInfo = BC7Data::g_hdrModes[mode]; - const size_t headerBits = modeInfo.m_partitioned ? 82 : 65; - const BC6HData::ModeDescriptor* desc = BC6HData::g_modeDescriptors[mode]; - - int32_t partition = 0; - int32_t eps[2][2][3]; - - for (int subset = 0; subset < 2; subset++) - for (int epi = 0; epi < 2; epi++) - for (int ch = 0; ch < 3; ch++) - eps[subset][epi][ch] = 0; - - for (size_t i = numModeBits; i < headerBits; i++) - { - int32_t *pCodedValue = NULL; - - switch (desc[i].m_eField) - { - case BC6HData::D: pCodedValue = &partition; break; - case BC6HData::RW: pCodedValue = &eps[0][0][0]; break; - case BC6HData::RX: pCodedValue = &eps[0][1][0]; break; - case BC6HData::RY: pCodedValue = &eps[1][0][0]; break; - case BC6HData::RZ: pCodedValue = &eps[1][1][0]; break; - case BC6HData::GW: pCodedValue = &eps[0][0][1]; break; - case BC6HData::GX: pCodedValue = &eps[0][1][1]; break; - case BC6HData::GY: pCodedValue = &eps[1][0][1]; break; - case BC6HData::GZ: pCodedValue = &eps[1][1][1]; break; - case BC6HData::BW: pCodedValue = &eps[0][0][2]; break; - case BC6HData::BX: pCodedValue = &eps[0][1][2]; break; - case BC6HData::BY: pCodedValue = &eps[1][0][2]; break; - case BC6HData::BZ: pCodedValue = &eps[1][1][2]; break; - default: assert(false); break; - } - - (*pCodedValue) |= pv.Unpack(1) << desc[i].m_uBit; - } - - - uint16_t modeID = modeInfo.m_modeID; - - int fixupIndex1 = 0; - int indexBits = 4; - int numSubsets = 1; - if (modeInfo.m_partitioned) - { - fixupIndex1 = BC7Data::g_fixupIndexes2[partition]; - indexBits = 3; - numSubsets = 2; - } - - int indexes[16]; - for (int px = 0; px < 16; px++) - { - if (px == 0 || px == fixupIndex1) - indexes[px] = pv.Unpack(indexBits - 1); - else - indexes[px] = pv.Unpack(indexBits); - } - - if (modeInfo.m_partitioned) - { - for (int ch = 0; ch < 3; ch++) - { - if (isSigned) - SignExtendSingle(eps[0][0][ch], modeInfo.m_aPrec); - if (modeInfo.m_transformed || isSigned) - { - SignExtendSingle(eps[0][1][ch], modeInfo.m_bPrec[ch]); - SignExtendSingle(eps[1][0][ch], modeInfo.m_bPrec[ch]); - SignExtendSingle(eps[1][1][ch], modeInfo.m_bPrec[ch]); - } - } - } - else - { - for (int ch = 0; ch < 3; ch++) - { - if (isSigned) - SignExtendSingle(eps[0][0][ch], modeInfo.m_aPrec); - if (modeInfo.m_transformed || isSigned) - SignExtendSingle(eps[0][1][ch], modeInfo.m_bPrec[ch]); - } - } - - int aPrec = modeInfo.m_aPrec; - - if (modeInfo.m_transformed) - { - for (int ch = 0; ch < 3; ch++) - { - int wrapMask = (1 << aPrec) - 1; - - eps[0][1][ch] = ((eps[0][0][ch] + eps[0][1][ch]) & wrapMask); - if (isSigned) - SignExtendSingle(eps[0][1][ch], aPrec); - - if (modeInfo.m_partitioned) - { - eps[1][0][ch] = ((eps[0][0][ch] + eps[1][0][ch]) & wrapMask); - eps[1][1][ch] = ((eps[0][0][ch] + eps[1][1][ch]) & wrapMask); - - if (isSigned) - { - SignExtendSingle(eps[1][0][ch], aPrec); - SignExtendSingle(eps[1][1][ch], aPrec); - } - } - } - } - - // Unquantize endpoints - for (int subset = 0; subset < numSubsets; subset++) - { - for (int epi = 0; epi < 2; epi++) - { - for (int ch = 0; ch < 3; ch++) - { - int &v = eps[subset][epi][ch]; - - if (isSigned) - { - if (aPrec >= 16) - { - // Nothing - } - else - { - bool s = false; - int comp = v; - if (v < 0) - { - s = true; - comp = -comp; - } - - int unq = 0; - if (comp == 0) - unq = 0; - else if (comp >= ((1 << (aPrec - 1)) - 1)) - unq = 0x7fff; - else - unq = ((comp << 15) + 0x4000) >> (aPrec - 1); - - if (s) - unq = -unq; - - v = unq; - } - } - else - { - if (aPrec >= 15) - { - // Nothing - } - else if (v == 0) - { - // Nothing - } - else if (v == ((1 << aPrec) - 1)) - v = 0xffff; - else - v = ((v << 16) + 0x8000) >> aPrec; - } - } - } - } - - const int *weights = BC7Data::g_weightTables[indexBits]; - - for (int px = 0; px < 16; px++) - { - int subset = 0; - if (modeInfo.m_partitioned) - subset = (BC7Data::g_partitionMap[partition] >> px) & 1; - - int w = weights[indexes[px]]; - for (int ch = 0; ch < 3; ch++) - { - int comp = ((64 - w) * eps[subset][0][ch] + w * eps[subset][1][ch] + 32) >> 6; - - if (isSigned) - { - if (comp < 0) - comp = -(((-comp) * 31) >> 5); - else - comp = (comp * 31) >> 5; - - int s = 0; - if (comp < 0) - { - s = 0x8000; - comp = -comp; - } - - output.m_pixels[px][ch] = static_cast<uint16_t>(s | comp); - } - else - { - comp = (comp * 31) >> 6; - output.m_pixels[px][ch] = static_cast<uint16_t>(comp); - } - } - output.m_pixels[px][3] = 0x3c00; // 1.0 - } - } - }; - - namespace S3TCSingleColorTables - { - struct SingleColorTableEntry - { - uint8_t m_min; - uint8_t m_max; - uint8_t m_actualColor; - uint8_t m_span; - }; - - SingleColorTableEntry g_singleColor5_3[256] = - { - { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 8, 0, 2, 8 }, { 8, 0, 2, 8 }, { 0, 8, 5, 8 }, { 0, 8, 5, 8 }, { 0, 8, 5, 8 }, { 8, 8, 8, 0 }, - { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 16, 8, 10, 8 }, { 33, 0, 11, 33 }, { 8, 16, 13, 8 }, { 8, 16, 13, 8 }, { 8, 16, 13, 8 }, { 16, 16, 16, 0 }, - { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 24, 16, 18, 8 }, { 41, 8, 19, 33 }, { 16, 24, 21, 8 }, { 16, 24, 21, 8 }, { 0, 33, 22, 33 }, { 24, 24, 24, 0 }, - { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 33, 24, 27, 9 }, { 33, 24, 27, 9 }, { 33, 24, 27, 9 }, { 41, 24, 29, 17 }, { 24, 33, 30, 9 }, { 24, 33, 30, 9 }, - { 16, 41, 32, 25 }, { 33, 33, 33, 0 }, { 33, 33, 33, 0 }, { 41, 33, 35, 8 }, { 41, 33, 35, 8 }, { 33, 41, 38, 8 }, { 33, 41, 38, 8 }, { 33, 41, 38, 8 }, - { 24, 49, 40, 25 }, { 41, 41, 41, 0 }, { 41, 41, 41, 0 }, { 49, 41, 43, 8 }, { 66, 33, 44, 33 }, { 41, 49, 46, 8 }, { 41, 49, 46, 8 }, { 41, 49, 46, 8 }, - { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 57, 49, 51, 8 }, { 74, 41, 52, 33 }, { 49, 57, 54, 8 }, { 49, 57, 54, 8 }, { 33, 66, 55, 33 }, - { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 66, 57, 60, 9 }, { 66, 57, 60, 9 }, { 66, 57, 60, 9 }, { 74, 57, 62, 17 }, { 57, 66, 63, 9 }, - { 57, 66, 63, 9 }, { 49, 74, 65, 25 }, { 66, 66, 66, 0 }, { 66, 66, 66, 0 }, { 74, 66, 68, 8 }, { 74, 66, 68, 8 }, { 66, 74, 71, 8 }, { 66, 74, 71, 8 }, - { 66, 74, 71, 8 }, { 57, 82, 73, 25 }, { 74, 74, 74, 0 }, { 74, 74, 74, 0 }, { 82, 74, 76, 8 }, { 99, 66, 77, 33 }, { 74, 82, 79, 8 }, { 74, 82, 79, 8 }, - { 74, 82, 79, 8 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 90, 82, 84, 8 }, { 107, 74, 85, 33 }, { 82, 90, 87, 8 }, { 82, 90, 87, 8 }, - { 66, 99, 88, 33 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 99, 90, 93, 9 }, { 99, 90, 93, 9 }, { 99, 90, 93, 9 }, { 107, 90, 95, 17 }, - { 90, 99, 96, 9 }, { 90, 99, 96, 9 }, { 82, 107, 98, 25 }, { 99, 99, 99, 0 }, { 99, 99, 99, 0 }, { 107, 99, 101, 8 }, { 107, 99, 101, 8 }, { 99, 107, 104, 8 }, - { 99, 107, 104, 8 }, { 99, 107, 104, 8 }, { 90, 115, 106, 25 }, { 107, 107, 107, 0 }, { 107, 107, 107, 0 }, { 115, 107, 109, 8 }, { 132, 99, 110, 33 }, { 107, 115, 112, 8 }, - { 107, 115, 112, 8 }, { 107, 115, 112, 8 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 123, 115, 117, 8 }, { 140, 107, 118, 33 }, { 115, 123, 120, 8 }, - { 115, 123, 120, 8 }, { 99, 132, 121, 33 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 132, 123, 126, 9 }, { 132, 123, 126, 9 }, { 132, 123, 126, 9 }, - { 140, 123, 128, 17 }, { 123, 132, 129, 9 }, { 123, 132, 129, 9 }, { 115, 140, 131, 25 }, { 132, 132, 132, 0 }, { 132, 132, 132, 0 }, { 140, 132, 134, 8 }, { 140, 132, 134, 8 }, - { 132, 140, 137, 8 }, { 132, 140, 137, 8 }, { 132, 140, 137, 8 }, { 123, 148, 139, 25 }, { 140, 140, 140, 0 }, { 140, 140, 140, 0 }, { 148, 140, 142, 8 }, { 165, 132, 143, 33 }, - { 140, 148, 145, 8 }, { 140, 148, 145, 8 }, { 140, 148, 145, 8 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 156, 148, 150, 8 }, { 173, 140, 151, 33 }, - { 148, 156, 153, 8 }, { 148, 156, 153, 8 }, { 132, 165, 154, 33 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 165, 156, 159, 9 }, { 165, 156, 159, 9 }, - { 165, 156, 159, 9 }, { 173, 156, 161, 17 }, { 156, 165, 162, 9 }, { 156, 165, 162, 9 }, { 148, 173, 164, 25 }, { 165, 165, 165, 0 }, { 165, 165, 165, 0 }, { 173, 165, 167, 8 }, - { 173, 165, 167, 8 }, { 165, 173, 170, 8 }, { 165, 173, 170, 8 }, { 165, 173, 170, 8 }, { 156, 181, 172, 25 }, { 173, 173, 173, 0 }, { 173, 173, 173, 0 }, { 181, 173, 175, 8 }, - { 198, 165, 176, 33 }, { 173, 181, 178, 8 }, { 173, 181, 178, 8 }, { 173, 181, 178, 8 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 189, 181, 183, 8 }, - { 206, 173, 184, 33 }, { 181, 189, 186, 8 }, { 181, 189, 186, 8 }, { 165, 198, 187, 33 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 198, 189, 192, 9 }, - { 198, 189, 192, 9 }, { 198, 189, 192, 9 }, { 206, 189, 194, 17 }, { 189, 198, 195, 9 }, { 189, 198, 195, 9 }, { 181, 206, 197, 25 }, { 198, 198, 198, 0 }, { 198, 198, 198, 0 }, - { 206, 198, 200, 8 }, { 206, 198, 200, 8 }, { 198, 206, 203, 8 }, { 198, 206, 203, 8 }, { 198, 206, 203, 8 }, { 189, 214, 205, 25 }, { 206, 206, 206, 0 }, { 206, 206, 206, 0 }, - { 214, 206, 208, 8 }, { 231, 198, 209, 33 }, { 206, 214, 211, 8 }, { 206, 214, 211, 8 }, { 206, 214, 211, 8 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, - { 222, 214, 216, 8 }, { 239, 206, 217, 33 }, { 214, 222, 219, 8 }, { 214, 222, 219, 8 }, { 198, 231, 220, 33 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, - { 231, 222, 225, 9 }, { 231, 222, 225, 9 }, { 231, 222, 225, 9 }, { 239, 222, 227, 17 }, { 222, 231, 228, 9 }, { 222, 231, 228, 9 }, { 214, 239, 230, 25 }, { 231, 231, 231, 0 }, - { 231, 231, 231, 0 }, { 239, 231, 233, 8 }, { 239, 231, 233, 8 }, { 231, 239, 236, 8 }, { 231, 239, 236, 8 }, { 231, 239, 236, 8 }, { 222, 247, 238, 25 }, { 239, 239, 239, 0 }, - { 239, 239, 239, 0 }, { 247, 239, 241, 8 }, { 247, 239, 241, 8 }, { 239, 247, 244, 8 }, { 239, 247, 244, 8 }, { 239, 247, 244, 8 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, - { 247, 247, 247, 0 }, { 255, 247, 249, 8 }, { 255, 247, 249, 8 }, { 247, 255, 252, 8 }, { 247, 255, 252, 8 }, { 247, 255, 252, 8 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, - }; - - SingleColorTableEntry g_singleColor6_3[256] = - { - { 0, 0, 0, 0 }, { 4, 0, 1, 4 }, { 0, 4, 2, 4 }, { 4, 4, 4, 0 }, { 4, 4, 4, 0 }, { 8, 4, 5, 4 }, { 4, 8, 6, 4 }, { 8, 8, 8, 0 }, - { 8, 8, 8, 0 }, { 12, 8, 9, 4 }, { 8, 12, 10, 4 }, { 12, 12, 12, 0 }, { 12, 12, 12, 0 }, { 16, 12, 13, 4 }, { 12, 16, 14, 4 }, { 16, 16, 16, 0 }, - { 16, 16, 16, 0 }, { 20, 16, 17, 4 }, { 16, 20, 18, 4 }, { 20, 20, 20, 0 }, { 20, 20, 20, 0 }, { 24, 20, 21, 4 }, { 20, 24, 22, 4 }, { 69, 0, 23, 69 }, - { 24, 24, 24, 0 }, { 28, 24, 25, 4 }, { 24, 28, 26, 4 }, { 65, 8, 27, 57 }, { 28, 28, 28, 0 }, { 32, 28, 29, 4 }, { 28, 32, 30, 4 }, { 69, 12, 31, 57 }, - { 32, 32, 32, 0 }, { 36, 32, 33, 4 }, { 32, 36, 34, 4 }, { 65, 20, 35, 45 }, { 36, 36, 36, 0 }, { 40, 36, 37, 4 }, { 36, 40, 38, 4 }, { 69, 24, 39, 45 }, - { 40, 40, 40, 0 }, { 44, 40, 41, 4 }, { 40, 44, 42, 4 }, { 65, 32, 43, 33 }, { 44, 44, 44, 0 }, { 48, 44, 45, 4 }, { 44, 48, 46, 4 }, { 69, 36, 47, 33 }, - { 48, 48, 48, 0 }, { 52, 48, 49, 4 }, { 48, 52, 50, 4 }, { 65, 44, 51, 21 }, { 52, 52, 52, 0 }, { 56, 52, 53, 4 }, { 52, 56, 54, 4 }, { 69, 48, 55, 21 }, - { 56, 56, 56, 0 }, { 60, 56, 57, 4 }, { 56, 60, 58, 4 }, { 65, 56, 59, 9 }, { 60, 60, 60, 0 }, { 65, 60, 61, 5 }, { 56, 65, 62, 9 }, { 60, 65, 63, 5 }, - { 56, 69, 64, 13 }, { 65, 65, 65, 0 }, { 69, 65, 66, 4 }, { 65, 69, 67, 4 }, { 60, 73, 68, 13 }, { 69, 69, 69, 0 }, { 73, 69, 70, 4 }, { 69, 73, 71, 4 }, - { 56, 81, 72, 25 }, { 73, 73, 73, 0 }, { 77, 73, 74, 4 }, { 73, 77, 75, 4 }, { 60, 85, 76, 25 }, { 77, 77, 77, 0 }, { 81, 77, 78, 4 }, { 77, 81, 79, 4 }, - { 56, 93, 80, 37 }, { 81, 81, 81, 0 }, { 85, 81, 82, 4 }, { 81, 85, 83, 4 }, { 60, 97, 84, 37 }, { 85, 85, 85, 0 }, { 89, 85, 86, 4 }, { 85, 89, 87, 4 }, - { 56, 105, 88, 49 }, { 89, 89, 89, 0 }, { 93, 89, 90, 4 }, { 89, 93, 91, 4 }, { 60, 109, 92, 49 }, { 93, 93, 93, 0 }, { 97, 93, 94, 4 }, { 93, 97, 95, 4 }, - { 134, 77, 96, 57 }, { 97, 97, 97, 0 }, { 101, 97, 98, 4 }, { 97, 101, 99, 4 }, { 130, 85, 100, 45 }, { 101, 101, 101, 0 }, { 105, 101, 102, 4 }, { 101, 105, 103, 4 }, - { 134, 89, 104, 45 }, { 105, 105, 105, 0 }, { 109, 105, 106, 4 }, { 105, 109, 107, 4 }, { 130, 97, 108, 33 }, { 109, 109, 109, 0 }, { 113, 109, 110, 4 }, { 109, 113, 111, 4 }, - { 134, 101, 112, 33 }, { 113, 113, 113, 0 }, { 117, 113, 114, 4 }, { 113, 117, 115, 4 }, { 130, 109, 116, 21 }, { 117, 117, 117, 0 }, { 121, 117, 118, 4 }, { 117, 121, 119, 4 }, - { 134, 113, 120, 21 }, { 121, 121, 121, 0 }, { 125, 121, 122, 4 }, { 121, 125, 123, 4 }, { 130, 121, 124, 9 }, { 125, 125, 125, 0 }, { 130, 125, 126, 5 }, { 121, 130, 127, 9 }, - { 125, 130, 128, 5 }, { 121, 134, 129, 13 }, { 130, 130, 130, 0 }, { 134, 130, 131, 4 }, { 130, 134, 132, 4 }, { 125, 138, 133, 13 }, { 134, 134, 134, 0 }, { 138, 134, 135, 4 }, - { 134, 138, 136, 4 }, { 121, 146, 137, 25 }, { 138, 138, 138, 0 }, { 142, 138, 139, 4 }, { 138, 142, 140, 4 }, { 125, 150, 141, 25 }, { 142, 142, 142, 0 }, { 146, 142, 143, 4 }, - { 142, 146, 144, 4 }, { 121, 158, 145, 37 }, { 146, 146, 146, 0 }, { 150, 146, 147, 4 }, { 146, 150, 148, 4 }, { 125, 162, 149, 37 }, { 150, 150, 150, 0 }, { 154, 150, 151, 4 }, - { 150, 154, 152, 4 }, { 121, 170, 153, 49 }, { 154, 154, 154, 0 }, { 158, 154, 155, 4 }, { 154, 158, 156, 4 }, { 125, 174, 157, 49 }, { 158, 158, 158, 0 }, { 162, 158, 159, 4 }, - { 158, 162, 160, 4 }, { 199, 142, 161, 57 }, { 162, 162, 162, 0 }, { 166, 162, 163, 4 }, { 162, 166, 164, 4 }, { 195, 150, 165, 45 }, { 166, 166, 166, 0 }, { 170, 166, 167, 4 }, - { 166, 170, 168, 4 }, { 199, 154, 169, 45 }, { 170, 170, 170, 0 }, { 174, 170, 171, 4 }, { 170, 174, 172, 4 }, { 195, 162, 173, 33 }, { 174, 174, 174, 0 }, { 178, 174, 175, 4 }, - { 174, 178, 176, 4 }, { 199, 166, 177, 33 }, { 178, 178, 178, 0 }, { 182, 178, 179, 4 }, { 178, 182, 180, 4 }, { 195, 174, 181, 21 }, { 182, 182, 182, 0 }, { 186, 182, 183, 4 }, - { 182, 186, 184, 4 }, { 199, 178, 185, 21 }, { 186, 186, 186, 0 }, { 190, 186, 187, 4 }, { 186, 190, 188, 4 }, { 195, 186, 189, 9 }, { 190, 190, 190, 0 }, { 195, 190, 191, 5 }, - { 186, 195, 192, 9 }, { 190, 195, 193, 5 }, { 186, 199, 194, 13 }, { 195, 195, 195, 0 }, { 199, 195, 196, 4 }, { 195, 199, 197, 4 }, { 190, 203, 198, 13 }, { 199, 199, 199, 0 }, - { 203, 199, 200, 4 }, { 199, 203, 201, 4 }, { 186, 211, 202, 25 }, { 203, 203, 203, 0 }, { 207, 203, 204, 4 }, { 203, 207, 205, 4 }, { 190, 215, 206, 25 }, { 207, 207, 207, 0 }, - { 211, 207, 208, 4 }, { 207, 211, 209, 4 }, { 186, 223, 210, 37 }, { 211, 211, 211, 0 }, { 215, 211, 212, 4 }, { 211, 215, 213, 4 }, { 190, 227, 214, 37 }, { 215, 215, 215, 0 }, - { 219, 215, 216, 4 }, { 215, 219, 217, 4 }, { 186, 235, 218, 49 }, { 219, 219, 219, 0 }, { 223, 219, 220, 4 }, { 219, 223, 221, 4 }, { 190, 239, 222, 49 }, { 223, 223, 223, 0 }, - { 227, 223, 224, 4 }, { 223, 227, 225, 4 }, { 186, 247, 226, 61 }, { 227, 227, 227, 0 }, { 231, 227, 228, 4 }, { 227, 231, 229, 4 }, { 190, 251, 230, 61 }, { 231, 231, 231, 0 }, - { 235, 231, 232, 4 }, { 231, 235, 233, 4 }, { 235, 235, 235, 0 }, { 235, 235, 235, 0 }, { 239, 235, 236, 4 }, { 235, 239, 237, 4 }, { 239, 239, 239, 0 }, { 239, 239, 239, 0 }, - { 243, 239, 240, 4 }, { 239, 243, 241, 4 }, { 243, 243, 243, 0 }, { 243, 243, 243, 0 }, { 247, 243, 244, 4 }, { 243, 247, 245, 4 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, - { 251, 247, 248, 4 }, { 247, 251, 249, 4 }, { 251, 251, 251, 0 }, { 251, 251, 251, 0 }, { 255, 251, 252, 4 }, { 251, 255, 253, 4 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, - }; - - SingleColorTableEntry g_singleColor5_2[256] = - { - { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 8, 4, 8 }, { 0, 8, 4, 8 }, { 0, 8, 4, 8 }, { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, - { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 16, 12, 8 }, { 8, 16, 12, 8 }, { 8, 16, 12, 8 }, { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, - { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 24, 20, 8 }, { 16, 24, 20, 8 }, { 16, 24, 20, 8 }, { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, - { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 33, 28, 9 }, { 24, 33, 28, 9 }, { 24, 33, 28, 9 }, { 24, 33, 28, 9 }, { 24, 41, 32, 17 }, - { 24, 41, 32, 17 }, { 33, 33, 33, 0 }, { 33, 33, 33, 0 }, { 24, 49, 36, 25 }, { 24, 49, 36, 25 }, { 33, 41, 37, 8 }, { 33, 41, 37, 8 }, { 24, 57, 40, 33 }, - { 24, 57, 40, 33 }, { 41, 41, 41, 0 }, { 41, 41, 41, 0 }, { 41, 41, 41, 0 }, { 41, 49, 45, 8 }, { 41, 49, 45, 8 }, { 41, 49, 45, 8 }, { 49, 49, 49, 0 }, - { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 57, 53, 8 }, { 49, 57, 53, 8 }, { 49, 57, 53, 8 }, { 57, 57, 57, 0 }, - { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 66, 61, 9 }, { 57, 66, 61, 9 }, { 57, 66, 61, 9 }, { 57, 66, 61, 9 }, - { 57, 74, 65, 17 }, { 57, 74, 65, 17 }, { 66, 66, 66, 0 }, { 66, 66, 66, 0 }, { 57, 82, 69, 25 }, { 57, 82, 69, 25 }, { 66, 74, 70, 8 }, { 66, 74, 70, 8 }, - { 57, 90, 73, 33 }, { 57, 90, 73, 33 }, { 74, 74, 74, 0 }, { 74, 74, 74, 0 }, { 74, 74, 74, 0 }, { 74, 82, 78, 8 }, { 74, 82, 78, 8 }, { 74, 82, 78, 8 }, - { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 90, 86, 8 }, { 82, 90, 86, 8 }, { 82, 90, 86, 8 }, - { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 99, 94, 9 }, { 90, 99, 94, 9 }, { 90, 99, 94, 9 }, - { 90, 99, 94, 9 }, { 90, 107, 98, 17 }, { 90, 107, 98, 17 }, { 99, 99, 99, 0 }, { 99, 99, 99, 0 }, { 90, 115, 102, 25 }, { 90, 115, 102, 25 }, { 99, 107, 103, 8 }, - { 99, 107, 103, 8 }, { 90, 123, 106, 33 }, { 90, 123, 106, 33 }, { 107, 107, 107, 0 }, { 107, 107, 107, 0 }, { 107, 107, 107, 0 }, { 107, 115, 111, 8 }, { 107, 115, 111, 8 }, - { 107, 115, 111, 8 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 123, 119, 8 }, { 115, 123, 119, 8 }, - { 115, 123, 119, 8 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 132, 127, 9 }, { 123, 132, 127, 9 }, - { 123, 132, 127, 9 }, { 123, 132, 127, 9 }, { 123, 140, 131, 17 }, { 123, 140, 131, 17 }, { 132, 132, 132, 0 }, { 132, 132, 132, 0 }, { 123, 148, 135, 25 }, { 123, 148, 135, 25 }, - { 132, 140, 136, 8 }, { 132, 140, 136, 8 }, { 123, 156, 139, 33 }, { 123, 156, 139, 33 }, { 140, 140, 140, 0 }, { 140, 140, 140, 0 }, { 140, 140, 140, 0 }, { 140, 148, 144, 8 }, - { 140, 148, 144, 8 }, { 140, 148, 144, 8 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 156, 152, 8 }, - { 148, 156, 152, 8 }, { 148, 156, 152, 8 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 165, 160, 9 }, - { 156, 165, 160, 9 }, { 156, 165, 160, 9 }, { 156, 165, 160, 9 }, { 156, 173, 164, 17 }, { 156, 173, 164, 17 }, { 165, 165, 165, 0 }, { 165, 165, 165, 0 }, { 156, 181, 168, 25 }, - { 156, 181, 168, 25 }, { 165, 173, 169, 8 }, { 165, 173, 169, 8 }, { 156, 189, 172, 33 }, { 156, 189, 172, 33 }, { 173, 173, 173, 0 }, { 173, 173, 173, 0 }, { 173, 173, 173, 0 }, - { 173, 181, 177, 8 }, { 173, 181, 177, 8 }, { 173, 181, 177, 8 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, - { 181, 189, 185, 8 }, { 181, 189, 185, 8 }, { 181, 189, 185, 8 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, - { 189, 198, 193, 9 }, { 189, 198, 193, 9 }, { 189, 198, 193, 9 }, { 189, 198, 193, 9 }, { 189, 206, 197, 17 }, { 189, 206, 197, 17 }, { 198, 198, 198, 0 }, { 198, 198, 198, 0 }, - { 189, 214, 201, 25 }, { 189, 214, 201, 25 }, { 198, 206, 202, 8 }, { 198, 206, 202, 8 }, { 189, 222, 205, 33 }, { 189, 222, 205, 33 }, { 206, 206, 206, 0 }, { 206, 206, 206, 0 }, - { 206, 206, 206, 0 }, { 206, 214, 210, 8 }, { 206, 214, 210, 8 }, { 206, 214, 210, 8 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, - { 214, 214, 214, 0 }, { 214, 222, 218, 8 }, { 214, 222, 218, 8 }, { 214, 222, 218, 8 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, - { 222, 222, 222, 0 }, { 222, 231, 226, 9 }, { 222, 231, 226, 9 }, { 222, 231, 226, 9 }, { 222, 231, 226, 9 }, { 222, 239, 230, 17 }, { 222, 239, 230, 17 }, { 231, 231, 231, 0 }, - { 231, 231, 231, 0 }, { 222, 247, 234, 25 }, { 222, 247, 234, 25 }, { 231, 239, 235, 8 }, { 231, 239, 235, 8 }, { 222, 255, 238, 33 }, { 222, 255, 238, 33 }, { 239, 239, 239, 0 }, - { 239, 239, 239, 0 }, { 239, 239, 239, 0 }, { 239, 247, 243, 8 }, { 239, 247, 243, 8 }, { 239, 247, 243, 8 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, - { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, { 247, 255, 251, 8 }, { 247, 255, 251, 8 }, { 247, 255, 251, 8 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, - }; - - SingleColorTableEntry g_singleColor6_2[256] = - { - { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 4, 2, 4 }, { 4, 4, 4, 0 }, { 4, 4, 4, 0 }, { 4, 4, 4, 0 }, { 4, 8, 6, 4 }, { 8, 8, 8, 0 }, - { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 12, 10, 4 }, { 12, 12, 12, 0 }, { 12, 12, 12, 0 }, { 12, 12, 12, 0 }, { 12, 16, 14, 4 }, { 16, 16, 16, 0 }, - { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 20, 18, 4 }, { 20, 20, 20, 0 }, { 20, 20, 20, 0 }, { 20, 20, 20, 0 }, { 20, 24, 22, 4 }, { 24, 24, 24, 0 }, - { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 28, 26, 4 }, { 28, 28, 28, 0 }, { 28, 28, 28, 0 }, { 28, 28, 28, 0 }, { 28, 32, 30, 4 }, { 32, 32, 32, 0 }, - { 32, 32, 32, 0 }, { 32, 32, 32, 0 }, { 32, 36, 34, 4 }, { 36, 36, 36, 0 }, { 36, 36, 36, 0 }, { 36, 36, 36, 0 }, { 36, 40, 38, 4 }, { 40, 40, 40, 0 }, - { 40, 40, 40, 0 }, { 40, 40, 40, 0 }, { 40, 44, 42, 4 }, { 44, 44, 44, 0 }, { 44, 44, 44, 0 }, { 44, 44, 44, 0 }, { 44, 48, 46, 4 }, { 48, 48, 48, 0 }, - { 48, 48, 48, 0 }, { 48, 48, 48, 0 }, { 48, 52, 50, 4 }, { 52, 52, 52, 0 }, { 52, 52, 52, 0 }, { 52, 52, 52, 0 }, { 52, 56, 54, 4 }, { 56, 56, 56, 0 }, - { 56, 56, 56, 0 }, { 56, 56, 56, 0 }, { 56, 60, 58, 4 }, { 60, 60, 60, 0 }, { 60, 60, 60, 0 }, { 60, 60, 60, 0 }, { 60, 65, 62, 5 }, { 60, 65, 62, 5 }, - { 60, 69, 64, 9 }, { 65, 65, 65, 0 }, { 60, 73, 66, 13 }, { 65, 69, 67, 4 }, { 60, 77, 68, 17 }, { 69, 69, 69, 0 }, { 60, 81, 70, 21 }, { 69, 73, 71, 4 }, - { 60, 85, 72, 25 }, { 73, 73, 73, 0 }, { 60, 89, 74, 29 }, { 73, 77, 75, 4 }, { 60, 93, 76, 33 }, { 77, 77, 77, 0 }, { 60, 97, 78, 37 }, { 77, 81, 79, 4 }, - { 60, 101, 80, 41 }, { 81, 81, 81, 0 }, { 60, 105, 82, 45 }, { 81, 85, 83, 4 }, { 60, 109, 84, 49 }, { 85, 85, 85, 0 }, { 60, 113, 86, 53 }, { 85, 89, 87, 4 }, - { 60, 117, 88, 57 }, { 89, 89, 89, 0 }, { 60, 121, 90, 61 }, { 89, 93, 91, 4 }, { 60, 125, 92, 65 }, { 93, 93, 93, 0 }, { 93, 93, 93, 0 }, { 93, 97, 95, 4 }, - { 97, 97, 97, 0 }, { 97, 97, 97, 0 }, { 97, 97, 97, 0 }, { 97, 101, 99, 4 }, { 101, 101, 101, 0 }, { 101, 101, 101, 0 }, { 101, 101, 101, 0 }, { 101, 105, 103, 4 }, - { 105, 105, 105, 0 }, { 105, 105, 105, 0 }, { 105, 105, 105, 0 }, { 105, 109, 107, 4 }, { 109, 109, 109, 0 }, { 109, 109, 109, 0 }, { 109, 109, 109, 0 }, { 109, 113, 111, 4 }, - { 113, 113, 113, 0 }, { 113, 113, 113, 0 }, { 113, 113, 113, 0 }, { 113, 117, 115, 4 }, { 117, 117, 117, 0 }, { 117, 117, 117, 0 }, { 117, 117, 117, 0 }, { 117, 121, 119, 4 }, - { 121, 121, 121, 0 }, { 121, 121, 121, 0 }, { 121, 121, 121, 0 }, { 121, 125, 123, 4 }, { 125, 125, 125, 0 }, { 125, 125, 125, 0 }, { 125, 125, 125, 0 }, { 125, 130, 127, 5 }, - { 125, 130, 127, 5 }, { 125, 134, 129, 9 }, { 130, 130, 130, 0 }, { 125, 138, 131, 13 }, { 130, 134, 132, 4 }, { 125, 142, 133, 17 }, { 134, 134, 134, 0 }, { 125, 146, 135, 21 }, - { 134, 138, 136, 4 }, { 125, 150, 137, 25 }, { 138, 138, 138, 0 }, { 125, 154, 139, 29 }, { 138, 142, 140, 4 }, { 125, 158, 141, 33 }, { 142, 142, 142, 0 }, { 125, 162, 143, 37 }, - { 142, 146, 144, 4 }, { 125, 166, 145, 41 }, { 146, 146, 146, 0 }, { 125, 170, 147, 45 }, { 146, 150, 148, 4 }, { 125, 174, 149, 49 }, { 150, 150, 150, 0 }, { 125, 178, 151, 53 }, - { 150, 154, 152, 4 }, { 125, 182, 153, 57 }, { 154, 154, 154, 0 }, { 125, 186, 155, 61 }, { 154, 158, 156, 4 }, { 125, 190, 157, 65 }, { 158, 158, 158, 0 }, { 158, 158, 158, 0 }, - { 158, 162, 160, 4 }, { 162, 162, 162, 0 }, { 162, 162, 162, 0 }, { 162, 162, 162, 0 }, { 162, 166, 164, 4 }, { 166, 166, 166, 0 }, { 166, 166, 166, 0 }, { 166, 166, 166, 0 }, - { 166, 170, 168, 4 }, { 170, 170, 170, 0 }, { 170, 170, 170, 0 }, { 170, 170, 170, 0 }, { 170, 174, 172, 4 }, { 174, 174, 174, 0 }, { 174, 174, 174, 0 }, { 174, 174, 174, 0 }, - { 174, 178, 176, 4 }, { 178, 178, 178, 0 }, { 178, 178, 178, 0 }, { 178, 178, 178, 0 }, { 178, 182, 180, 4 }, { 182, 182, 182, 0 }, { 182, 182, 182, 0 }, { 182, 182, 182, 0 }, - { 182, 186, 184, 4 }, { 186, 186, 186, 0 }, { 186, 186, 186, 0 }, { 186, 186, 186, 0 }, { 186, 190, 188, 4 }, { 190, 190, 190, 0 }, { 190, 190, 190, 0 }, { 190, 190, 190, 0 }, - { 190, 195, 192, 5 }, { 190, 195, 192, 5 }, { 190, 199, 194, 9 }, { 195, 195, 195, 0 }, { 190, 203, 196, 13 }, { 195, 199, 197, 4 }, { 190, 207, 198, 17 }, { 199, 199, 199, 0 }, - { 190, 211, 200, 21 }, { 199, 203, 201, 4 }, { 190, 215, 202, 25 }, { 203, 203, 203, 0 }, { 190, 219, 204, 29 }, { 203, 207, 205, 4 }, { 190, 223, 206, 33 }, { 207, 207, 207, 0 }, - { 190, 227, 208, 37 }, { 207, 211, 209, 4 }, { 190, 231, 210, 41 }, { 211, 211, 211, 0 }, { 190, 235, 212, 45 }, { 211, 215, 213, 4 }, { 190, 239, 214, 49 }, { 215, 215, 215, 0 }, - { 190, 243, 216, 53 }, { 215, 219, 217, 4 }, { 190, 247, 218, 57 }, { 219, 219, 219, 0 }, { 190, 251, 220, 61 }, { 219, 223, 221, 4 }, { 190, 255, 222, 65 }, { 223, 223, 223, 0 }, - { 223, 223, 223, 0 }, { 223, 227, 225, 4 }, { 227, 227, 227, 0 }, { 227, 227, 227, 0 }, { 227, 227, 227, 0 }, { 227, 231, 229, 4 }, { 231, 231, 231, 0 }, { 231, 231, 231, 0 }, - { 231, 231, 231, 0 }, { 231, 235, 233, 4 }, { 235, 235, 235, 0 }, { 235, 235, 235, 0 }, { 235, 235, 235, 0 }, { 235, 239, 237, 4 }, { 239, 239, 239, 0 }, { 239, 239, 239, 0 }, - { 239, 239, 239, 0 }, { 239, 243, 241, 4 }, { 243, 243, 243, 0 }, { 243, 243, 243, 0 }, { 243, 243, 243, 0 }, { 243, 247, 245, 4 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, - { 247, 247, 247, 0 }, { 247, 251, 249, 4 }, { 251, 251, 251, 0 }, { 251, 251, 251, 0 }, { 251, 251, 251, 0 }, { 251, 255, 253, 4 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, - }; - - SingleColorTableEntry g_singleColor5_3_p[256] = - { - { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 8, 0, 2, 8 }, { 8, 0, 2, 8 }, { 0, 8, 5, 8 }, { 0, 8, 5, 8 }, { 0, 8, 5, 8 }, { 8, 8, 8, 0 }, - { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 16, 8, 10, 8 }, { 33, 0, 11, 33 }, { 8, 16, 13, 8 }, { 8, 16, 13, 8 }, { 8, 16, 13, 8 }, { 16, 16, 16, 0 }, - { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 24, 16, 18, 8 }, { 41, 8, 19, 33 }, { 16, 24, 21, 8 }, { 16, 24, 21, 8 }, { 0, 33, 22, 33 }, { 24, 24, 24, 0 }, - { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 33, 24, 27, 9 }, { 33, 24, 27, 9 }, { 33, 24, 27, 9 }, { 41, 24, 29, 17 }, { 24, 33, 30, 9 }, { 24, 33, 30, 9 }, - { 16, 41, 32, 25 }, { 33, 33, 33, 0 }, { 33, 33, 33, 0 }, { 41, 33, 35, 8 }, { 41, 33, 35, 8 }, { 33, 41, 38, 8 }, { 33, 41, 38, 8 }, { 33, 41, 38, 8 }, - { 24, 49, 40, 25 }, { 41, 41, 41, 0 }, { 41, 41, 41, 0 }, { 49, 41, 43, 8 }, { 66, 33, 44, 33 }, { 41, 49, 46, 8 }, { 41, 49, 46, 8 }, { 41, 49, 46, 8 }, - { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 57, 49, 51, 8 }, { 74, 41, 52, 33 }, { 49, 57, 54, 8 }, { 49, 57, 54, 8 }, { 33, 66, 55, 33 }, - { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 66, 57, 60, 9 }, { 66, 57, 60, 9 }, { 66, 57, 60, 9 }, { 74, 57, 62, 17 }, { 57, 66, 63, 9 }, - { 57, 66, 63, 9 }, { 49, 74, 65, 25 }, { 66, 66, 66, 0 }, { 66, 66, 66, 0 }, { 74, 66, 68, 8 }, { 74, 66, 68, 8 }, { 66, 74, 71, 8 }, { 66, 74, 71, 8 }, - { 66, 74, 71, 8 }, { 57, 82, 73, 25 }, { 74, 74, 74, 0 }, { 74, 74, 74, 0 }, { 82, 74, 76, 8 }, { 99, 66, 77, 33 }, { 74, 82, 79, 8 }, { 74, 82, 79, 8 }, - { 74, 82, 79, 8 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 90, 82, 84, 8 }, { 107, 74, 85, 33 }, { 82, 90, 87, 8 }, { 82, 90, 87, 8 }, - { 66, 99, 88, 33 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 99, 90, 93, 9 }, { 99, 90, 93, 9 }, { 99, 90, 93, 9 }, { 107, 90, 95, 17 }, - { 90, 99, 96, 9 }, { 90, 99, 96, 9 }, { 82, 107, 98, 25 }, { 99, 99, 99, 0 }, { 99, 99, 99, 0 }, { 107, 99, 101, 8 }, { 107, 99, 101, 8 }, { 99, 107, 104, 8 }, - { 99, 107, 104, 8 }, { 99, 107, 104, 8 }, { 90, 115, 106, 25 }, { 107, 107, 107, 0 }, { 107, 107, 107, 0 }, { 115, 107, 109, 8 }, { 132, 99, 110, 33 }, { 107, 115, 112, 8 }, - { 107, 115, 112, 8 }, { 107, 115, 112, 8 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 123, 115, 117, 8 }, { 140, 107, 118, 33 }, { 115, 123, 120, 8 }, - { 115, 123, 120, 8 }, { 99, 132, 121, 33 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 132, 123, 126, 9 }, { 132, 123, 126, 9 }, { 132, 123, 126, 9 }, - { 140, 123, 128, 17 }, { 123, 132, 129, 9 }, { 123, 132, 129, 9 }, { 115, 140, 131, 25 }, { 132, 132, 132, 0 }, { 132, 132, 132, 0 }, { 140, 132, 134, 8 }, { 140, 132, 134, 8 }, - { 132, 140, 137, 8 }, { 132, 140, 137, 8 }, { 132, 140, 137, 8 }, { 123, 148, 139, 25 }, { 140, 140, 140, 0 }, { 140, 140, 140, 0 }, { 148, 140, 142, 8 }, { 165, 132, 143, 33 }, - { 140, 148, 145, 8 }, { 140, 148, 145, 8 }, { 140, 148, 145, 8 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 156, 148, 150, 8 }, { 173, 140, 151, 33 }, - { 148, 156, 153, 8 }, { 148, 156, 153, 8 }, { 132, 165, 154, 33 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 165, 156, 159, 9 }, { 165, 156, 159, 9 }, - { 165, 156, 159, 9 }, { 173, 156, 161, 17 }, { 156, 165, 162, 9 }, { 156, 165, 162, 9 }, { 148, 173, 164, 25 }, { 165, 165, 165, 0 }, { 165, 165, 165, 0 }, { 173, 165, 167, 8 }, - { 173, 165, 167, 8 }, { 165, 173, 170, 8 }, { 165, 173, 170, 8 }, { 165, 173, 170, 8 }, { 156, 181, 172, 25 }, { 173, 173, 173, 0 }, { 173, 173, 173, 0 }, { 181, 173, 175, 8 }, - { 198, 165, 176, 33 }, { 173, 181, 178, 8 }, { 173, 181, 178, 8 }, { 173, 181, 178, 8 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 189, 181, 183, 8 }, - { 206, 173, 184, 33 }, { 181, 189, 186, 8 }, { 181, 189, 186, 8 }, { 165, 198, 187, 33 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 198, 189, 192, 9 }, - { 198, 189, 192, 9 }, { 198, 189, 192, 9 }, { 206, 189, 194, 17 }, { 189, 198, 195, 9 }, { 189, 198, 195, 9 }, { 181, 206, 197, 25 }, { 198, 198, 198, 0 }, { 198, 198, 198, 0 }, - { 206, 198, 200, 8 }, { 206, 198, 200, 8 }, { 198, 206, 203, 8 }, { 198, 206, 203, 8 }, { 198, 206, 203, 8 }, { 189, 214, 205, 25 }, { 206, 206, 206, 0 }, { 206, 206, 206, 0 }, - { 214, 206, 208, 8 }, { 231, 198, 209, 33 }, { 206, 214, 211, 8 }, { 206, 214, 211, 8 }, { 206, 214, 211, 8 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, - { 222, 214, 216, 8 }, { 239, 206, 217, 33 }, { 214, 222, 219, 8 }, { 214, 222, 219, 8 }, { 198, 231, 220, 33 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, - { 231, 222, 225, 9 }, { 231, 222, 225, 9 }, { 231, 222, 225, 9 }, { 239, 222, 227, 17 }, { 222, 231, 228, 9 }, { 222, 231, 228, 9 }, { 214, 239, 230, 25 }, { 231, 231, 231, 0 }, - { 231, 231, 231, 0 }, { 239, 231, 233, 8 }, { 239, 231, 233, 8 }, { 231, 239, 236, 8 }, { 231, 239, 236, 8 }, { 231, 239, 236, 8 }, { 222, 247, 238, 25 }, { 239, 239, 239, 0 }, - { 239, 239, 239, 0 }, { 247, 239, 241, 8 }, { 247, 239, 241, 8 }, { 239, 247, 244, 8 }, { 239, 247, 244, 8 }, { 239, 247, 244, 8 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, - { 247, 247, 247, 0 }, { 255, 247, 249, 8 }, { 255, 247, 249, 8 }, { 247, 255, 252, 8 }, { 247, 255, 252, 8 }, { 247, 255, 252, 8 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, - }; - - SingleColorTableEntry g_singleColor6_3_p[256] = - { - { 0, 0, 0, 0 }, { 4, 0, 1, 4 }, { 0, 4, 2, 4 }, { 4, 4, 4, 0 }, { 4, 4, 4, 0 }, { 8, 4, 5, 4 }, { 4, 8, 6, 4 }, { 8, 8, 8, 0 }, - { 8, 8, 8, 0 }, { 12, 8, 9, 4 }, { 8, 12, 10, 4 }, { 12, 12, 12, 0 }, { 12, 12, 12, 0 }, { 16, 12, 13, 4 }, { 12, 16, 14, 4 }, { 16, 16, 16, 0 }, - { 16, 16, 16, 0 }, { 20, 16, 17, 4 }, { 16, 20, 18, 4 }, { 20, 20, 20, 0 }, { 20, 20, 20, 0 }, { 24, 20, 21, 4 }, { 20, 24, 22, 4 }, { 24, 24, 24, 0 }, - { 24, 24, 24, 0 }, { 28, 24, 25, 4 }, { 24, 28, 26, 4 }, { 28, 28, 28, 0 }, { 28, 28, 28, 0 }, { 32, 28, 29, 4 }, { 28, 32, 30, 4 }, { 32, 32, 32, 0 }, - { 32, 32, 32, 0 }, { 36, 32, 33, 4 }, { 32, 36, 34, 4 }, { 36, 36, 36, 0 }, { 36, 36, 36, 0 }, { 40, 36, 37, 4 }, { 36, 40, 38, 4 }, { 40, 40, 40, 0 }, - { 40, 40, 40, 0 }, { 44, 40, 41, 4 }, { 40, 44, 42, 4 }, { 65, 32, 43, 33 }, { 44, 44, 44, 0 }, { 48, 44, 45, 4 }, { 44, 48, 46, 4 }, { 69, 36, 47, 33 }, - { 48, 48, 48, 0 }, { 52, 48, 49, 4 }, { 48, 52, 50, 4 }, { 65, 44, 51, 21 }, { 52, 52, 52, 0 }, { 56, 52, 53, 4 }, { 52, 56, 54, 4 }, { 69, 48, 55, 21 }, - { 56, 56, 56, 0 }, { 60, 56, 57, 4 }, { 56, 60, 58, 4 }, { 65, 56, 59, 9 }, { 60, 60, 60, 0 }, { 65, 60, 61, 5 }, { 56, 65, 62, 9 }, { 60, 65, 63, 5 }, - { 56, 69, 64, 13 }, { 65, 65, 65, 0 }, { 69, 65, 66, 4 }, { 65, 69, 67, 4 }, { 60, 73, 68, 13 }, { 69, 69, 69, 0 }, { 73, 69, 70, 4 }, { 69, 73, 71, 4 }, - { 56, 81, 72, 25 }, { 73, 73, 73, 0 }, { 77, 73, 74, 4 }, { 73, 77, 75, 4 }, { 60, 85, 76, 25 }, { 77, 77, 77, 0 }, { 81, 77, 78, 4 }, { 77, 81, 79, 4 }, - { 81, 81, 81, 0 }, { 81, 81, 81, 0 }, { 85, 81, 82, 4 }, { 81, 85, 83, 4 }, { 85, 85, 85, 0 }, { 85, 85, 85, 0 }, { 89, 85, 86, 4 }, { 85, 89, 87, 4 }, - { 89, 89, 89, 0 }, { 89, 89, 89, 0 }, { 93, 89, 90, 4 }, { 89, 93, 91, 4 }, { 93, 93, 93, 0 }, { 93, 93, 93, 0 }, { 97, 93, 94, 4 }, { 93, 97, 95, 4 }, - { 97, 97, 97, 0 }, { 97, 97, 97, 0 }, { 101, 97, 98, 4 }, { 97, 101, 99, 4 }, { 101, 101, 101, 0 }, { 101, 101, 101, 0 }, { 105, 101, 102, 4 }, { 101, 105, 103, 4 }, - { 105, 105, 105, 0 }, { 105, 105, 105, 0 }, { 109, 105, 106, 4 }, { 105, 109, 107, 4 }, { 130, 97, 108, 33 }, { 109, 109, 109, 0 }, { 113, 109, 110, 4 }, { 109, 113, 111, 4 }, - { 134, 101, 112, 33 }, { 113, 113, 113, 0 }, { 117, 113, 114, 4 }, { 113, 117, 115, 4 }, { 130, 109, 116, 21 }, { 117, 117, 117, 0 }, { 121, 117, 118, 4 }, { 117, 121, 119, 4 }, - { 134, 113, 120, 21 }, { 121, 121, 121, 0 }, { 125, 121, 122, 4 }, { 121, 125, 123, 4 }, { 130, 121, 124, 9 }, { 125, 125, 125, 0 }, { 130, 125, 126, 5 }, { 121, 130, 127, 9 }, - { 125, 130, 128, 5 }, { 121, 134, 129, 13 }, { 130, 130, 130, 0 }, { 134, 130, 131, 4 }, { 130, 134, 132, 4 }, { 125, 138, 133, 13 }, { 134, 134, 134, 0 }, { 138, 134, 135, 4 }, - { 134, 138, 136, 4 }, { 121, 146, 137, 25 }, { 138, 138, 138, 0 }, { 142, 138, 139, 4 }, { 138, 142, 140, 4 }, { 125, 150, 141, 25 }, { 142, 142, 142, 0 }, { 146, 142, 143, 4 }, - { 142, 146, 144, 4 }, { 146, 146, 146, 0 }, { 146, 146, 146, 0 }, { 150, 146, 147, 4 }, { 146, 150, 148, 4 }, { 150, 150, 150, 0 }, { 150, 150, 150, 0 }, { 154, 150, 151, 4 }, - { 150, 154, 152, 4 }, { 154, 154, 154, 0 }, { 154, 154, 154, 0 }, { 158, 154, 155, 4 }, { 154, 158, 156, 4 }, { 158, 158, 158, 0 }, { 158, 158, 158, 0 }, { 162, 158, 159, 4 }, - { 158, 162, 160, 4 }, { 162, 162, 162, 0 }, { 162, 162, 162, 0 }, { 166, 162, 163, 4 }, { 162, 166, 164, 4 }, { 166, 166, 166, 0 }, { 166, 166, 166, 0 }, { 170, 166, 167, 4 }, - { 166, 170, 168, 4 }, { 170, 170, 170, 0 }, { 170, 170, 170, 0 }, { 174, 170, 171, 4 }, { 170, 174, 172, 4 }, { 195, 162, 173, 33 }, { 174, 174, 174, 0 }, { 178, 174, 175, 4 }, - { 174, 178, 176, 4 }, { 199, 166, 177, 33 }, { 178, 178, 178, 0 }, { 182, 178, 179, 4 }, { 178, 182, 180, 4 }, { 195, 174, 181, 21 }, { 182, 182, 182, 0 }, { 186, 182, 183, 4 }, - { 182, 186, 184, 4 }, { 199, 178, 185, 21 }, { 186, 186, 186, 0 }, { 190, 186, 187, 4 }, { 186, 190, 188, 4 }, { 195, 186, 189, 9 }, { 190, 190, 190, 0 }, { 195, 190, 191, 5 }, - { 186, 195, 192, 9 }, { 190, 195, 193, 5 }, { 186, 199, 194, 13 }, { 195, 195, 195, 0 }, { 199, 195, 196, 4 }, { 195, 199, 197, 4 }, { 190, 203, 198, 13 }, { 199, 199, 199, 0 }, - { 203, 199, 200, 4 }, { 199, 203, 201, 4 }, { 186, 211, 202, 25 }, { 203, 203, 203, 0 }, { 207, 203, 204, 4 }, { 203, 207, 205, 4 }, { 190, 215, 206, 25 }, { 207, 207, 207, 0 }, - { 211, 207, 208, 4 }, { 207, 211, 209, 4 }, { 211, 211, 211, 0 }, { 211, 211, 211, 0 }, { 215, 211, 212, 4 }, { 211, 215, 213, 4 }, { 215, 215, 215, 0 }, { 215, 215, 215, 0 }, - { 219, 215, 216, 4 }, { 215, 219, 217, 4 }, { 219, 219, 219, 0 }, { 219, 219, 219, 0 }, { 223, 219, 220, 4 }, { 219, 223, 221, 4 }, { 223, 223, 223, 0 }, { 223, 223, 223, 0 }, - { 227, 223, 224, 4 }, { 223, 227, 225, 4 }, { 227, 227, 227, 0 }, { 227, 227, 227, 0 }, { 231, 227, 228, 4 }, { 227, 231, 229, 4 }, { 231, 231, 231, 0 }, { 231, 231, 231, 0 }, - { 235, 231, 232, 4 }, { 231, 235, 233, 4 }, { 235, 235, 235, 0 }, { 235, 235, 235, 0 }, { 239, 235, 236, 4 }, { 235, 239, 237, 4 }, { 239, 239, 239, 0 }, { 239, 239, 239, 0 }, - { 243, 239, 240, 4 }, { 239, 243, 241, 4 }, { 243, 243, 243, 0 }, { 243, 243, 243, 0 }, { 247, 243, 244, 4 }, { 243, 247, 245, 4 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, - { 251, 247, 248, 4 }, { 247, 251, 249, 4 }, { 251, 251, 251, 0 }, { 251, 251, 251, 0 }, { 255, 251, 252, 4 }, { 251, 255, 253, 4 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, - }; - - SingleColorTableEntry g_singleColor5_2_p[256] = - { - { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 8, 4, 8 }, { 0, 8, 4, 8 }, { 0, 8, 4, 8 }, { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, - { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 16, 12, 8 }, { 8, 16, 12, 8 }, { 8, 16, 12, 8 }, { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, - { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 24, 20, 8 }, { 16, 24, 20, 8 }, { 16, 24, 20, 8 }, { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, - { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 33, 28, 9 }, { 24, 33, 28, 9 }, { 24, 33, 28, 9 }, { 24, 33, 28, 9 }, { 24, 41, 32, 17 }, - { 24, 41, 32, 17 }, { 33, 33, 33, 0 }, { 33, 33, 33, 0 }, { 24, 49, 36, 25 }, { 24, 49, 36, 25 }, { 33, 41, 37, 8 }, { 33, 41, 37, 8 }, { 24, 57, 40, 33 }, - { 24, 57, 40, 33 }, { 41, 41, 41, 0 }, { 41, 41, 41, 0 }, { 41, 41, 41, 0 }, { 41, 49, 45, 8 }, { 41, 49, 45, 8 }, { 41, 49, 45, 8 }, { 49, 49, 49, 0 }, - { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 57, 53, 8 }, { 49, 57, 53, 8 }, { 49, 57, 53, 8 }, { 57, 57, 57, 0 }, - { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 66, 61, 9 }, { 57, 66, 61, 9 }, { 57, 66, 61, 9 }, { 57, 66, 61, 9 }, - { 57, 74, 65, 17 }, { 57, 74, 65, 17 }, { 66, 66, 66, 0 }, { 66, 66, 66, 0 }, { 57, 82, 69, 25 }, { 57, 82, 69, 25 }, { 66, 74, 70, 8 }, { 66, 74, 70, 8 }, - { 57, 90, 73, 33 }, { 57, 90, 73, 33 }, { 74, 74, 74, 0 }, { 74, 74, 74, 0 }, { 74, 74, 74, 0 }, { 74, 82, 78, 8 }, { 74, 82, 78, 8 }, { 74, 82, 78, 8 }, - { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 90, 86, 8 }, { 82, 90, 86, 8 }, { 82, 90, 86, 8 }, - { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 99, 94, 9 }, { 90, 99, 94, 9 }, { 90, 99, 94, 9 }, - { 90, 99, 94, 9 }, { 90, 107, 98, 17 }, { 90, 107, 98, 17 }, { 99, 99, 99, 0 }, { 99, 99, 99, 0 }, { 90, 115, 102, 25 }, { 90, 115, 102, 25 }, { 99, 107, 103, 8 }, - { 99, 107, 103, 8 }, { 90, 123, 106, 33 }, { 90, 123, 106, 33 }, { 107, 107, 107, 0 }, { 107, 107, 107, 0 }, { 107, 107, 107, 0 }, { 107, 115, 111, 8 }, { 107, 115, 111, 8 }, - { 107, 115, 111, 8 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 123, 119, 8 }, { 115, 123, 119, 8 }, - { 115, 123, 119, 8 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 132, 127, 9 }, { 123, 132, 127, 9 }, - { 123, 132, 127, 9 }, { 123, 132, 127, 9 }, { 123, 140, 131, 17 }, { 123, 140, 131, 17 }, { 132, 132, 132, 0 }, { 132, 132, 132, 0 }, { 123, 148, 135, 25 }, { 123, 148, 135, 25 }, - { 132, 140, 136, 8 }, { 132, 140, 136, 8 }, { 123, 156, 139, 33 }, { 123, 156, 139, 33 }, { 140, 140, 140, 0 }, { 140, 140, 140, 0 }, { 140, 140, 140, 0 }, { 140, 148, 144, 8 }, - { 140, 148, 144, 8 }, { 140, 148, 144, 8 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 156, 152, 8 }, - { 148, 156, 152, 8 }, { 148, 156, 152, 8 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 165, 160, 9 }, - { 156, 165, 160, 9 }, { 156, 165, 160, 9 }, { 156, 165, 160, 9 }, { 156, 173, 164, 17 }, { 156, 173, 164, 17 }, { 165, 165, 165, 0 }, { 165, 165, 165, 0 }, { 156, 181, 168, 25 }, - { 156, 181, 168, 25 }, { 165, 173, 169, 8 }, { 165, 173, 169, 8 }, { 156, 189, 172, 33 }, { 156, 189, 172, 33 }, { 173, 173, 173, 0 }, { 173, 173, 173, 0 }, { 173, 173, 173, 0 }, - { 173, 181, 177, 8 }, { 173, 181, 177, 8 }, { 173, 181, 177, 8 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, - { 181, 189, 185, 8 }, { 181, 189, 185, 8 }, { 181, 189, 185, 8 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, - { 189, 198, 193, 9 }, { 189, 198, 193, 9 }, { 189, 198, 193, 9 }, { 189, 198, 193, 9 }, { 189, 206, 197, 17 }, { 189, 206, 197, 17 }, { 198, 198, 198, 0 }, { 198, 198, 198, 0 }, - { 189, 214, 201, 25 }, { 189, 214, 201, 25 }, { 198, 206, 202, 8 }, { 198, 206, 202, 8 }, { 189, 222, 205, 33 }, { 189, 222, 205, 33 }, { 206, 206, 206, 0 }, { 206, 206, 206, 0 }, - { 206, 206, 206, 0 }, { 206, 214, 210, 8 }, { 206, 214, 210, 8 }, { 206, 214, 210, 8 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, - { 214, 214, 214, 0 }, { 214, 222, 218, 8 }, { 214, 222, 218, 8 }, { 214, 222, 218, 8 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, - { 222, 222, 222, 0 }, { 222, 231, 226, 9 }, { 222, 231, 226, 9 }, { 222, 231, 226, 9 }, { 222, 231, 226, 9 }, { 222, 239, 230, 17 }, { 222, 239, 230, 17 }, { 231, 231, 231, 0 }, - { 231, 231, 231, 0 }, { 222, 247, 234, 25 }, { 222, 247, 234, 25 }, { 231, 239, 235, 8 }, { 231, 239, 235, 8 }, { 222, 255, 238, 33 }, { 222, 255, 238, 33 }, { 239, 239, 239, 0 }, - { 239, 239, 239, 0 }, { 239, 239, 239, 0 }, { 239, 247, 243, 8 }, { 239, 247, 243, 8 }, { 239, 247, 243, 8 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, - { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, { 247, 255, 251, 8 }, { 247, 255, 251, 8 }, { 247, 255, 251, 8 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, - }; - - SingleColorTableEntry g_singleColor6_2_p[256] = - { - { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 4, 2, 4 }, { 4, 4, 4, 0 }, { 4, 4, 4, 0 }, { 4, 4, 4, 0 }, { 4, 8, 6, 4 }, { 8, 8, 8, 0 }, - { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 12, 10, 4 }, { 12, 12, 12, 0 }, { 12, 12, 12, 0 }, { 12, 12, 12, 0 }, { 12, 16, 14, 4 }, { 16, 16, 16, 0 }, - { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 20, 18, 4 }, { 20, 20, 20, 0 }, { 20, 20, 20, 0 }, { 20, 20, 20, 0 }, { 20, 24, 22, 4 }, { 24, 24, 24, 0 }, - { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 28, 26, 4 }, { 28, 28, 28, 0 }, { 28, 28, 28, 0 }, { 28, 28, 28, 0 }, { 28, 32, 30, 4 }, { 32, 32, 32, 0 }, - { 32, 32, 32, 0 }, { 32, 32, 32, 0 }, { 32, 36, 34, 4 }, { 36, 36, 36, 0 }, { 36, 36, 36, 0 }, { 36, 36, 36, 0 }, { 36, 40, 38, 4 }, { 40, 40, 40, 0 }, - { 40, 40, 40, 0 }, { 40, 40, 40, 0 }, { 40, 44, 42, 4 }, { 44, 44, 44, 0 }, { 44, 44, 44, 0 }, { 44, 44, 44, 0 }, { 44, 48, 46, 4 }, { 48, 48, 48, 0 }, - { 48, 48, 48, 0 }, { 48, 48, 48, 0 }, { 48, 52, 50, 4 }, { 52, 52, 52, 0 }, { 52, 52, 52, 0 }, { 52, 52, 52, 0 }, { 52, 56, 54, 4 }, { 56, 56, 56, 0 }, - { 56, 56, 56, 0 }, { 56, 56, 56, 0 }, { 56, 60, 58, 4 }, { 60, 60, 60, 0 }, { 60, 60, 60, 0 }, { 60, 60, 60, 0 }, { 60, 65, 62, 5 }, { 60, 65, 62, 5 }, - { 60, 69, 64, 9 }, { 65, 65, 65, 0 }, { 60, 73, 66, 13 }, { 65, 69, 67, 4 }, { 60, 77, 68, 17 }, { 69, 69, 69, 0 }, { 60, 81, 70, 21 }, { 69, 73, 71, 4 }, - { 60, 85, 72, 25 }, { 73, 73, 73, 0 }, { 60, 89, 74, 29 }, { 73, 77, 75, 4 }, { 60, 93, 76, 33 }, { 77, 77, 77, 0 }, { 77, 77, 77, 0 }, { 77, 81, 79, 4 }, - { 81, 81, 81, 0 }, { 81, 81, 81, 0 }, { 81, 81, 81, 0 }, { 81, 85, 83, 4 }, { 85, 85, 85, 0 }, { 85, 85, 85, 0 }, { 85, 85, 85, 0 }, { 85, 89, 87, 4 }, - { 89, 89, 89, 0 }, { 89, 89, 89, 0 }, { 89, 89, 89, 0 }, { 89, 93, 91, 4 }, { 93, 93, 93, 0 }, { 93, 93, 93, 0 }, { 93, 93, 93, 0 }, { 93, 97, 95, 4 }, - { 97, 97, 97, 0 }, { 97, 97, 97, 0 }, { 97, 97, 97, 0 }, { 97, 101, 99, 4 }, { 101, 101, 101, 0 }, { 101, 101, 101, 0 }, { 101, 101, 101, 0 }, { 101, 105, 103, 4 }, - { 105, 105, 105, 0 }, { 105, 105, 105, 0 }, { 105, 105, 105, 0 }, { 105, 109, 107, 4 }, { 109, 109, 109, 0 }, { 109, 109, 109, 0 }, { 109, 109, 109, 0 }, { 109, 113, 111, 4 }, - { 113, 113, 113, 0 }, { 113, 113, 113, 0 }, { 113, 113, 113, 0 }, { 113, 117, 115, 4 }, { 117, 117, 117, 0 }, { 117, 117, 117, 0 }, { 117, 117, 117, 0 }, { 117, 121, 119, 4 }, - { 121, 121, 121, 0 }, { 121, 121, 121, 0 }, { 121, 121, 121, 0 }, { 121, 125, 123, 4 }, { 125, 125, 125, 0 }, { 125, 125, 125, 0 }, { 125, 125, 125, 0 }, { 125, 130, 127, 5 }, - { 125, 130, 127, 5 }, { 125, 134, 129, 9 }, { 130, 130, 130, 0 }, { 125, 138, 131, 13 }, { 130, 134, 132, 4 }, { 125, 142, 133, 17 }, { 134, 134, 134, 0 }, { 125, 146, 135, 21 }, - { 134, 138, 136, 4 }, { 125, 150, 137, 25 }, { 138, 138, 138, 0 }, { 125, 154, 139, 29 }, { 138, 142, 140, 4 }, { 125, 158, 141, 33 }, { 142, 142, 142, 0 }, { 142, 142, 142, 0 }, - { 142, 146, 144, 4 }, { 146, 146, 146, 0 }, { 146, 146, 146, 0 }, { 146, 146, 146, 0 }, { 146, 150, 148, 4 }, { 150, 150, 150, 0 }, { 150, 150, 150, 0 }, { 150, 150, 150, 0 }, - { 150, 154, 152, 4 }, { 154, 154, 154, 0 }, { 154, 154, 154, 0 }, { 154, 154, 154, 0 }, { 154, 158, 156, 4 }, { 158, 158, 158, 0 }, { 158, 158, 158, 0 }, { 158, 158, 158, 0 }, - { 158, 162, 160, 4 }, { 162, 162, 162, 0 }, { 162, 162, 162, 0 }, { 162, 162, 162, 0 }, { 162, 166, 164, 4 }, { 166, 166, 166, 0 }, { 166, 166, 166, 0 }, { 166, 166, 166, 0 }, - { 166, 170, 168, 4 }, { 170, 170, 170, 0 }, { 170, 170, 170, 0 }, { 170, 170, 170, 0 }, { 170, 174, 172, 4 }, { 174, 174, 174, 0 }, { 174, 174, 174, 0 }, { 174, 174, 174, 0 }, - { 174, 178, 176, 4 }, { 178, 178, 178, 0 }, { 178, 178, 178, 0 }, { 178, 178, 178, 0 }, { 178, 182, 180, 4 }, { 182, 182, 182, 0 }, { 182, 182, 182, 0 }, { 182, 182, 182, 0 }, - { 182, 186, 184, 4 }, { 186, 186, 186, 0 }, { 186, 186, 186, 0 }, { 186, 186, 186, 0 }, { 186, 190, 188, 4 }, { 190, 190, 190, 0 }, { 190, 190, 190, 0 }, { 190, 190, 190, 0 }, - { 190, 195, 192, 5 }, { 190, 195, 192, 5 }, { 190, 199, 194, 9 }, { 195, 195, 195, 0 }, { 190, 203, 196, 13 }, { 195, 199, 197, 4 }, { 190, 207, 198, 17 }, { 199, 199, 199, 0 }, - { 190, 211, 200, 21 }, { 199, 203, 201, 4 }, { 190, 215, 202, 25 }, { 203, 203, 203, 0 }, { 190, 219, 204, 29 }, { 203, 207, 205, 4 }, { 190, 223, 206, 33 }, { 207, 207, 207, 0 }, - { 207, 207, 207, 0 }, { 207, 211, 209, 4 }, { 211, 211, 211, 0 }, { 211, 211, 211, 0 }, { 211, 211, 211, 0 }, { 211, 215, 213, 4 }, { 215, 215, 215, 0 }, { 215, 215, 215, 0 }, - { 215, 215, 215, 0 }, { 215, 219, 217, 4 }, { 219, 219, 219, 0 }, { 219, 219, 219, 0 }, { 219, 219, 219, 0 }, { 219, 223, 221, 4 }, { 223, 223, 223, 0 }, { 223, 223, 223, 0 }, - { 223, 223, 223, 0 }, { 223, 227, 225, 4 }, { 227, 227, 227, 0 }, { 227, 227, 227, 0 }, { 227, 227, 227, 0 }, { 227, 231, 229, 4 }, { 231, 231, 231, 0 }, { 231, 231, 231, 0 }, - { 231, 231, 231, 0 }, { 231, 235, 233, 4 }, { 235, 235, 235, 0 }, { 235, 235, 235, 0 }, { 235, 235, 235, 0 }, { 235, 239, 237, 4 }, { 239, 239, 239, 0 }, { 239, 239, 239, 0 }, - { 239, 239, 239, 0 }, { 239, 243, 241, 4 }, { 243, 243, 243, 0 }, { 243, 243, 243, 0 }, { 243, 243, 243, 0 }, { 243, 247, 245, 4 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, - { 247, 247, 247, 0 }, { 247, 251, 249, 4 }, { 251, 251, 251, 0 }, { 251, 251, 251, 0 }, { 251, 251, 251, 0 }, { 251, 255, 253, 4 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, - }; - } - - class S3TCComputer - { - public: - typedef ParallelMath::Float MFloat; - typedef ParallelMath::SInt16 MSInt16; - typedef ParallelMath::UInt15 MUInt15; - typedef ParallelMath::UInt16 MUInt16; - typedef ParallelMath::SInt32 MSInt32; - - static void Init(MFloat& error) - { - error = ParallelMath::MakeFloat(FLT_MAX); - } - - static void QuantizeTo6Bits(MUInt15& v) - { - MUInt15 reduced = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ParallelMath::CompactMultiply(v, ParallelMath::MakeUInt15(253)) + ParallelMath::MakeUInt16(512), 10)); - v = (reduced << 2) | ParallelMath::RightShift(reduced, 4); - } - - static void QuantizeTo5Bits(MUInt15& v) - { - MUInt15 reduced = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ParallelMath::CompactMultiply(v, ParallelMath::MakeUInt15(249)) + ParallelMath::MakeUInt16(1024), 11)); - v = (reduced << 3) | ParallelMath::RightShift(reduced, 2); - } - - static void QuantizeTo565(MUInt15 endPoint[3]) - { - QuantizeTo5Bits(endPoint[0]); - QuantizeTo6Bits(endPoint[1]); - QuantizeTo5Bits(endPoint[2]); - } - - static MFloat ParanoidFactorForSpan(const MSInt16& span) - { - return ParallelMath::Abs(ParallelMath::ToFloat(span)) * 0.03f; - } - - static MFloat ParanoidDiff(const MUInt15& a, const MUInt15& b, const MFloat& d) - { - MFloat absDiff = ParallelMath::Abs(ParallelMath::ToFloat(ParallelMath::LosslessCast<MSInt16>::Cast(a) - ParallelMath::LosslessCast<MSInt16>::Cast(b))); - absDiff = absDiff + d; - return absDiff * absDiff; - } - - static void TestSingleColor(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], int range, const float* channelWeights, - MFloat &bestError, MUInt15 bestEndpoints[2][3], MUInt15 bestIndexes[16], MUInt15 &bestRange, const ParallelMath::RoundTowardNearestForScope *rtn) - { - float channelWeightsSq[3]; - - for (int ch = 0; ch < 3; ch++) - channelWeightsSq[ch] = channelWeights[ch] * channelWeights[ch]; - - MUInt15 totals[3] = { ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(0) }; - - for (int px = 0; px < 16; px++) - { - for (int ch = 0; ch < 3; ch++) - totals[ch] = totals[ch] + pixels[px][ch]; - } - - MUInt15 average[3]; - for (int ch = 0; ch < 3; ch++) - average[ch] = ParallelMath::RightShift(totals[ch] + ParallelMath::MakeUInt15(8), 4); - - const S3TCSingleColorTables::SingleColorTableEntry* rbTable = NULL; - const S3TCSingleColorTables::SingleColorTableEntry* gTable = NULL; - if (flags & cvtt::Flags::S3TC_Paranoid) - { - if (range == 4) - { - rbTable = S3TCSingleColorTables::g_singleColor5_3_p; - gTable = S3TCSingleColorTables::g_singleColor6_3_p; - } - else - { - assert(range == 3); - rbTable = S3TCSingleColorTables::g_singleColor5_2_p; - gTable = S3TCSingleColorTables::g_singleColor6_2_p; - } - } - else - { - if (range == 4) - { - rbTable = S3TCSingleColorTables::g_singleColor5_3; - gTable = S3TCSingleColorTables::g_singleColor6_3; - } - else - { - assert(range == 3); - rbTable = S3TCSingleColorTables::g_singleColor5_2; - gTable = S3TCSingleColorTables::g_singleColor6_2; - } - } - - MUInt15 interpolated[3]; - MUInt15 eps[2][3]; - MSInt16 spans[3]; - for (int i = 0; i < ParallelMath::ParallelSize; i++) - { - for (int ch = 0; ch < 3; ch++) - { - uint16_t avg = ParallelMath::Extract(average[ch], i); - const S3TCSingleColorTables::SingleColorTableEntry& tableEntry = ((ch == 1) ? gTable[avg] : rbTable[avg]); - ParallelMath::PutUInt15(eps[0][ch], i, tableEntry.m_min); - ParallelMath::PutUInt15(eps[1][ch], i, tableEntry.m_max); - ParallelMath::PutUInt15(interpolated[ch], i, tableEntry.m_actualColor); - ParallelMath::PutSInt16(spans[ch], i, tableEntry.m_span); - } - } - - MFloat error = ParallelMath::MakeFloatZero(); - if (flags & cvtt::Flags::S3TC_Paranoid) - { - MFloat spanParanoidFactors[3]; - for (int ch = 0; ch < 3; ch++) - spanParanoidFactors[ch] = ParanoidFactorForSpan(spans[ch]); - - for (int px = 0; px < 16; px++) - { - for (int ch = 0; ch < 3; ch++) - error = error + ParanoidDiff(interpolated[ch], pixels[px][ch], spanParanoidFactors[ch]) * channelWeightsSq[ch]; - } - } - else - { - for (int px = 0; px < 16; px++) - { - for (int ch = 0; ch < 3; ch++) - error = error + ParallelMath::ToFloat(ParallelMath::SqDiffUInt8(interpolated[ch], pixels[px][ch])) * channelWeightsSq[ch]; - } - } - - ParallelMath::FloatCompFlag better = ParallelMath::Less(error, bestError); - ParallelMath::Int16CompFlag better16 = ParallelMath::FloatFlagToInt16(better); - - if (ParallelMath::AnySet(better16)) - { - bestError = ParallelMath::Min(bestError, error); - for (int epi = 0; epi < 2; epi++) - for (int ch = 0; ch < 3; ch++) - ParallelMath::ConditionalSet(bestEndpoints[epi][ch], better16, eps[epi][ch]); - - MUInt15 vindexes = ParallelMath::MakeUInt15(1); - for (int px = 0; px < 16; px++) - ParallelMath::ConditionalSet(bestIndexes[px], better16, vindexes); - - ParallelMath::ConditionalSet(bestRange, better16, ParallelMath::MakeUInt15(range)); - } - } - - static void TestEndpoints(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const MFloat preWeightedPixels[16][4], const MUInt15 unquantizedEndPoints[2][3], int range, const float* channelWeights, - MFloat &bestError, MUInt15 bestEndpoints[2][3], MUInt15 bestIndexes[16], MUInt15 &bestRange, EndpointRefiner<3> *refiner, const ParallelMath::RoundTowardNearestForScope *rtn) - { - float channelWeightsSq[3]; - - for (int ch = 0; ch < 3; ch++) - channelWeightsSq[ch] = channelWeights[ch] * channelWeights[ch]; - - MUInt15 endPoints[2][3]; - - for (int ep = 0; ep < 2; ep++) - for (int ch = 0; ch < 3; ch++) - endPoints[ep][ch] = unquantizedEndPoints[ep][ch]; - - QuantizeTo565(endPoints[0]); - QuantizeTo565(endPoints[1]); - - IndexSelector<3> selector; - selector.Init<false>(channelWeights, endPoints, range); - - MUInt15 indexes[16]; - - MFloat paranoidFactors[3]; - for (int ch = 0; ch < 3; ch++) - paranoidFactors[ch] = ParanoidFactorForSpan(ParallelMath::LosslessCast<MSInt16>::Cast(endPoints[0][ch]) - ParallelMath::LosslessCast<MSInt16>::Cast(endPoints[1][ch])); - - MFloat error = ParallelMath::MakeFloatZero(); - AggregatedError<3> aggError; - for (int px = 0; px < 16; px++) - { - MUInt15 index = selector.SelectIndexLDR(floatPixels[px], rtn); - indexes[px] = index; - - if (refiner) - refiner->ContributeUnweightedPW(preWeightedPixels[px], index); - - MUInt15 reconstructed[3]; - selector.ReconstructLDRPrecise(index, reconstructed); - - if (flags & Flags::S3TC_Paranoid) - { - for (int ch = 0; ch < 3; ch++) - error = error + ParanoidDiff(reconstructed[ch], pixels[px][ch], paranoidFactors[ch]) * channelWeightsSq[ch]; - } - else - BCCommon::ComputeErrorLDR<3>(flags, reconstructed, pixels[px], aggError); - } - - if (!(flags & Flags::S3TC_Paranoid)) - error = aggError.Finalize(flags, channelWeightsSq); - - ParallelMath::FloatCompFlag better = ParallelMath::Less(error, bestError); - - if (ParallelMath::AnySet(better)) - { - ParallelMath::Int16CompFlag betterInt16 = ParallelMath::FloatFlagToInt16(better); - - ParallelMath::ConditionalSet(bestError, better, error); - - for (int ep = 0; ep < 2; ep++) - for (int ch = 0; ch < 3; ch++) - ParallelMath::ConditionalSet(bestEndpoints[ep][ch], betterInt16, endPoints[ep][ch]); - - for (int px = 0; px < 16; px++) - ParallelMath::ConditionalSet(bestIndexes[px], betterInt16, indexes[px]); - - ParallelMath::ConditionalSet(bestRange, betterInt16, ParallelMath::MakeUInt15(static_cast<uint16_t>(range))); - } - } - - static void TestCounts(uint32_t flags, const int *counts, int nCounts, const MUInt15 &numElements, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const MFloat preWeightedPixels[16][4], bool alphaTest, - const MFloat floatSortedInputs[16][4], const MFloat preWeightedFloatSortedInputs[16][4], const float *channelWeights, MFloat &bestError, MUInt15 bestEndpoints[2][3], MUInt15 bestIndexes[16], MUInt15 &bestRange, - const ParallelMath::RoundTowardNearestForScope* rtn) - { - UNREFERENCED_PARAMETER(alphaTest); - UNREFERENCED_PARAMETER(flags); - - EndpointRefiner<3> refiner; - - refiner.Init(nCounts, channelWeights); - - bool escape = false; - int e = 0; - for (int i = 0; i < nCounts; i++) - { - for (int n = 0; n < counts[i]; n++) - { - ParallelMath::Int16CompFlag valid = ParallelMath::Less(ParallelMath::MakeUInt15(static_cast<uint16_t>(n)), numElements); - if (!ParallelMath::AnySet(valid)) - { - escape = true; - break; - } - - if (ParallelMath::AllSet(valid)) - refiner.ContributeUnweightedPW(preWeightedFloatSortedInputs[e++], ParallelMath::MakeUInt15(static_cast<uint16_t>(i))); - else - { - MFloat weight = ParallelMath::Select(ParallelMath::Int16FlagToFloat(valid), ParallelMath::MakeFloat(1.0f), ParallelMath::MakeFloat(0.0f)); - refiner.ContributePW(preWeightedFloatSortedInputs[e++], ParallelMath::MakeUInt15(static_cast<uint16_t>(i)), weight); - } - } - - if (escape) - break; - } - - MUInt15 endPoints[2][3]; - refiner.GetRefinedEndpointsLDR(endPoints, rtn); - - TestEndpoints(flags, pixels, floatPixels, preWeightedPixels, endPoints, nCounts, channelWeights, bestError, bestEndpoints, bestIndexes, bestRange, NULL, rtn); - } - - static void PackExplicitAlpha(uint32_t flags, const PixelBlockU8* inputs, int inputChannel, uint8_t* packedBlocks, size_t packedBlockStride) - { - UNREFERENCED_PARAMETER(flags); - ParallelMath::RoundTowardNearestForScope rtn; - - float weights[1] = { 1.0f }; - - MUInt15 pixels[16]; - MFloat floatPixels[16]; - - for (int px = 0; px < 16; px++) - { - ParallelMath::ConvertLDRInputs(inputs, px, inputChannel, pixels[px]); - floatPixels[px] = ParallelMath::ToFloat(pixels[px]); - } - - MUInt15 ep[2][1] = { { ParallelMath::MakeUInt15(0) },{ ParallelMath::MakeUInt15(255) } }; - - IndexSelector<1> selector; - selector.Init<false>(weights, ep, 16); - - MUInt15 indexes[16]; - - for (int px = 0; px < 16; px++) - indexes[px] = selector.SelectIndexLDR(&floatPixels[px], &rtn); - - for (int block = 0; block < ParallelMath::ParallelSize; block++) - { - for (int px = 0; px < 16; px += 8) - { - int index0 = ParallelMath::Extract(indexes[px], block); - int index1 = ParallelMath::Extract(indexes[px], block); - - packedBlocks[px / 2] = static_cast<uint8_t>(index0 | (index1 << 4)); - } - - packedBlocks += packedBlockStride; - } - } - - static void PackInterpolatedAlpha(uint32_t flags, const PixelBlockU8* inputs, int inputChannel, uint8_t* packedBlocks, size_t packedBlockStride, bool isSigned, int maxTweakRounds, int numRefineRounds) - { - if (maxTweakRounds < 1) - maxTweakRounds = 1; - - if (numRefineRounds < 1) - numRefineRounds = 1; - - ParallelMath::RoundTowardNearestForScope rtn; - - float oneWeight[1] = { 1.0f }; - - MUInt15 pixels[16]; - MFloat floatPixels[16]; - - MUInt15 highTerminal = isSigned ? ParallelMath::MakeUInt15(254) : ParallelMath::MakeUInt15(255); - MUInt15 highTerminalMinusOne = highTerminal - ParallelMath::MakeUInt15(1); - - for (int px = 0; px < 16; px++) - { - ParallelMath::ConvertLDRInputs(inputs, px, inputChannel, pixels[px]); - - if (isSigned) - pixels[px] = ParallelMath::Min(pixels[px], highTerminal); - - floatPixels[px] = ParallelMath::ToFloat(pixels[px]); - } - - MUInt15 sortedPixels[16]; - for (int px = 0; px < 16; px++) - sortedPixels[px] = pixels[px]; - - for (int sortEnd = 15; sortEnd > 0; sortEnd--) - { - for (int sortOffset = 0; sortOffset < sortEnd; sortOffset++) - { - MUInt15 a = sortedPixels[sortOffset]; - MUInt15 b = sortedPixels[sortOffset + 1]; - - sortedPixels[sortOffset] = ParallelMath::Min(a, b); - sortedPixels[sortOffset + 1] = ParallelMath::Max(a, b); - } - } - - MUInt15 zero = ParallelMath::MakeUInt15(0); - MUInt15 one = ParallelMath::MakeUInt15(1); - - MUInt15 bestIsFullRange = zero; - MFloat bestError = ParallelMath::MakeFloat(FLT_MAX); - MUInt15 bestEP[2] = { zero, zero }; - MUInt15 bestIndexes[16] = { - zero, zero, zero, zero, - zero, zero, zero, zero, - zero, zero, zero, zero, - zero, zero, zero, zero - }; - - // Full-precision - { - MUInt15 minEP = sortedPixels[0]; - MUInt15 maxEP = sortedPixels[15]; - - MFloat base[1] = { ParallelMath::ToFloat(minEP) }; - MFloat offset[1] = { ParallelMath::ToFloat(maxEP - minEP) }; - - UnfinishedEndpoints<1> ufep = UnfinishedEndpoints<1>(base, offset); - - int numTweakRounds = BCCommon::TweakRoundsForRange(8); - if (numTweakRounds > maxTweakRounds) - numTweakRounds = maxTweakRounds; - - for (int tweak = 0; tweak < numTweakRounds; tweak++) - { - MUInt15 ep[2][1]; - - ufep.FinishLDR(tweak, 8, ep[0], ep[1]); - - for (int refinePass = 0; refinePass < numRefineRounds; refinePass++) - { - EndpointRefiner<1> refiner; - refiner.Init(8, oneWeight); - - if (isSigned) - for (int epi = 0; epi < 2; epi++) - ep[epi][0] = ParallelMath::Min(ep[epi][0], highTerminal); - - IndexSelector<1> indexSelector; - indexSelector.Init<false>(oneWeight, ep, 8); - - MUInt15 indexes[16]; - - AggregatedError<1> aggError; - for (int px = 0; px < 16; px++) - { - MUInt15 index = indexSelector.SelectIndexLDR(&floatPixels[px], &rtn); - - MUInt15 reconstructedPixel; - - indexSelector.ReconstructLDRPrecise(index, &reconstructedPixel); - BCCommon::ComputeErrorLDR<1>(flags, &reconstructedPixel, &pixels[px], aggError); - - if (refinePass != numRefineRounds - 1) - refiner.ContributeUnweightedPW(&floatPixels[px], index); - - indexes[px] = index; - } - MFloat error = aggError.Finalize(flags | Flags::Uniform, oneWeight); - - ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(error, bestError); - ParallelMath::Int16CompFlag errorBetter16 = ParallelMath::FloatFlagToInt16(errorBetter); - - if (ParallelMath::AnySet(errorBetter16)) - { - bestError = ParallelMath::Min(error, bestError); - ParallelMath::ConditionalSet(bestIsFullRange, errorBetter16, one); - for (int px = 0; px < 16; px++) - ParallelMath::ConditionalSet(bestIndexes[px], errorBetter16, indexes[px]); - - for (int epi = 0; epi < 2; epi++) - ParallelMath::ConditionalSet(bestEP[epi], errorBetter16, ep[epi][0]); - } - - if (refinePass != numRefineRounds - 1) - refiner.GetRefinedEndpointsLDR(ep, &rtn); - } - } - } - - // Reduced precision with special endpoints - { - MUInt15 bestHeuristicMin = sortedPixels[0]; - MUInt15 bestHeuristicMax = sortedPixels[15]; - - ParallelMath::Int16CompFlag canTryClipping; - - // In reduced precision, we want try putting endpoints at the reserved indexes at the ends. - // The heuristic we use is to assign indexes to the end as long as they aren't off by more than half of the index range. - // This will usually not find anything, but it's cheap to check. - - { - MUInt15 largestPossibleRange = bestHeuristicMax - bestHeuristicMin; // Max: 255 - MUInt15 lowestPossibleClearance = ParallelMath::Min(bestHeuristicMin, static_cast<MUInt15>(highTerminal - bestHeuristicMax)); - - MUInt15 lowestPossibleClearanceTimes10 = (lowestPossibleClearance << 2) + (lowestPossibleClearance << 4); - canTryClipping = ParallelMath::LessOrEqual(lowestPossibleClearanceTimes10, largestPossibleRange); - } - - if (ParallelMath::AnySet(canTryClipping)) - { - MUInt15 lowClearances[16]; - MUInt15 highClearances[16]; - MUInt15 bestSkipCount = ParallelMath::MakeUInt15(0); - - lowClearances[0] = highClearances[0] = ParallelMath::MakeUInt15(0); - - for (int px = 1; px < 16; px++) - { - lowClearances[px] = sortedPixels[px - 1]; - highClearances[px] = highTerminal - sortedPixels[16 - px]; - } - - for (uint16_t firstIndex = 0; firstIndex < 16; firstIndex++) - { - uint16_t numSkippedLow = firstIndex; - - MUInt15 lowClearance = lowClearances[firstIndex]; - - for (uint16_t lastIndex = firstIndex; lastIndex < 16; lastIndex++) - { - uint16_t numSkippedHigh = 15 - lastIndex; - uint16_t numSkipped = numSkippedLow + numSkippedHigh; - - MUInt15 numSkippedV = ParallelMath::MakeUInt15(numSkipped); - - ParallelMath::Int16CompFlag areMoreSkipped = ParallelMath::Less(bestSkipCount, numSkippedV); - - if (!ParallelMath::AnySet(areMoreSkipped)) - continue; - - MUInt15 clearance = ParallelMath::Max(highClearances[numSkippedHigh], lowClearance); - MUInt15 clearanceTimes10 = (clearance << 2) + (clearance << 4); - - MUInt15 range = sortedPixels[lastIndex] - sortedPixels[firstIndex]; - - ParallelMath::Int16CompFlag isBetter = (areMoreSkipped & ParallelMath::LessOrEqual(clearanceTimes10, range)); - ParallelMath::ConditionalSet(bestHeuristicMin, isBetter, sortedPixels[firstIndex]); - ParallelMath::ConditionalSet(bestHeuristicMax, isBetter, sortedPixels[lastIndex]); - } - } - } - - MUInt15 bestSimpleMin = one; - MUInt15 bestSimpleMax = highTerminalMinusOne; - - for (int px = 0; px < 16; px++) - { - ParallelMath::ConditionalSet(bestSimpleMin, ParallelMath::Less(zero, sortedPixels[15 - px]), sortedPixels[15 - px]); - ParallelMath::ConditionalSet(bestSimpleMax, ParallelMath::Less(sortedPixels[px], highTerminal), sortedPixels[px]); - } - - MUInt15 minEPs[2] = { bestSimpleMin, bestHeuristicMin }; - MUInt15 maxEPs[2] = { bestSimpleMax, bestHeuristicMax }; - - int minEPRange = 2; - if (ParallelMath::AllSet(ParallelMath::Equal(minEPs[0], minEPs[1]))) - minEPRange = 1; - - int maxEPRange = 2; - if (ParallelMath::AllSet(ParallelMath::Equal(maxEPs[0], maxEPs[1]))) - maxEPRange = 1; - - for (int minEPIndex = 0; minEPIndex < minEPRange; minEPIndex++) - { - for (int maxEPIndex = 0; maxEPIndex < maxEPRange; maxEPIndex++) - { - MFloat base[1] = { ParallelMath::ToFloat(minEPs[minEPIndex]) }; - MFloat offset[1] = { ParallelMath::ToFloat(maxEPs[maxEPIndex] - minEPs[minEPIndex]) }; - - UnfinishedEndpoints<1> ufep = UnfinishedEndpoints<1>(base, offset); - - int numTweakRounds = BCCommon::TweakRoundsForRange(6); - if (numTweakRounds > maxTweakRounds) - numTweakRounds = maxTweakRounds; - - for (int tweak = 0; tweak < numTweakRounds; tweak++) - { - MUInt15 ep[2][1]; - - ufep.FinishLDR(tweak, 8, ep[0], ep[1]); - - for (int refinePass = 0; refinePass < numRefineRounds; refinePass++) - { - EndpointRefiner<1> refiner; - refiner.Init(6, oneWeight); - - if (isSigned) - for (int epi = 0; epi < 2; epi++) - ep[epi][0] = ParallelMath::Min(ep[epi][0], highTerminal); - - IndexSelector<1> indexSelector; - indexSelector.Init<false>(oneWeight, ep, 6); - - MUInt15 indexes[16]; - MFloat error = ParallelMath::MakeFloatZero(); - - for (int px = 0; px < 16; px++) - { - MUInt15 selectedIndex = indexSelector.SelectIndexLDR(&floatPixels[px], &rtn); - - MUInt15 reconstructedPixel; - - indexSelector.ReconstructLDRPrecise(selectedIndex, &reconstructedPixel); - - MFloat zeroError = BCCommon::ComputeErrorLDRSimple<1>(flags | Flags::Uniform, &zero, &pixels[px], 1, oneWeight); - MFloat highTerminalError = BCCommon::ComputeErrorLDRSimple<1>(flags | Flags::Uniform, &highTerminal, &pixels[px], 1, oneWeight); - MFloat selectedIndexError = BCCommon::ComputeErrorLDRSimple<1>(flags | Flags::Uniform, &reconstructedPixel, &pixels[px], 1, oneWeight); - - MFloat bestPixelError = zeroError; - MUInt15 index = ParallelMath::MakeUInt15(6); - - ParallelMath::ConditionalSet(index, ParallelMath::FloatFlagToInt16(ParallelMath::Less(highTerminalError, bestPixelError)), ParallelMath::MakeUInt15(7)); - bestPixelError = ParallelMath::Min(bestPixelError, highTerminalError); - - ParallelMath::FloatCompFlag selectedIndexBetter = ParallelMath::Less(selectedIndexError, bestPixelError); - - if (ParallelMath::AllSet(selectedIndexBetter)) - { - if (refinePass != numRefineRounds - 1) - refiner.ContributeUnweightedPW(&floatPixels[px], selectedIndex); - } - else - { - MFloat refineWeight = ParallelMath::Select(selectedIndexBetter, ParallelMath::MakeFloat(1.0f), ParallelMath::MakeFloatZero()); - - if (refinePass != numRefineRounds - 1) - refiner.ContributePW(&floatPixels[px], selectedIndex, refineWeight); - } - - ParallelMath::ConditionalSet(index, ParallelMath::FloatFlagToInt16(selectedIndexBetter), selectedIndex); - bestPixelError = ParallelMath::Min(bestPixelError, selectedIndexError); - - error = error + bestPixelError; - - indexes[px] = index; - } - - ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(error, bestError); - ParallelMath::Int16CompFlag errorBetter16 = ParallelMath::FloatFlagToInt16(errorBetter); - - if (ParallelMath::AnySet(errorBetter16)) - { - bestError = ParallelMath::Min(error, bestError); - ParallelMath::ConditionalSet(bestIsFullRange, errorBetter16, zero); - for (int px = 0; px < 16; px++) - ParallelMath::ConditionalSet(bestIndexes[px], errorBetter16, indexes[px]); - - for (int epi = 0; epi < 2; epi++) - ParallelMath::ConditionalSet(bestEP[epi], errorBetter16, ep[epi][0]); - } - - if (refinePass != numRefineRounds - 1) - refiner.GetRefinedEndpointsLDR(ep, &rtn); - } - } - } - } - } - - for (int block = 0; block < ParallelMath::ParallelSize; block++) - { - int ep0 = ParallelMath::Extract(bestEP[0], block); - int ep1 = ParallelMath::Extract(bestEP[1], block); - int isFullRange = ParallelMath::Extract(bestIsFullRange, block); - - if (isSigned) - { - ep0 -= 127; - ep1 -= 127; - - assert(ep0 >= -127 && ep0 <= 127); - assert(ep1 >= -127 && ep1 <= 127); - } - - - bool swapEndpoints = (isFullRange != 0) != (ep0 > ep1); - - if (swapEndpoints) - std::swap(ep0, ep1); - - uint16_t dumpBits = 0; - int dumpBitsOffset = 0; - int dumpByteOffset = 2; - packedBlocks[0] = static_cast<uint8_t>(ep0 & 0xff); - packedBlocks[1] = static_cast<uint8_t>(ep1 & 0xff); - - int maxValue = (isFullRange != 0) ? 7 : 5; - - for (int px = 0; px < 16; px++) - { - int index = ParallelMath::Extract(bestIndexes[px], block); - - if (swapEndpoints && index <= maxValue) - index = maxValue - index; - - if (index != 0) - { - if (index == maxValue) - index = 1; - else if (index < maxValue) - index++; - } - - assert(index >= 0 && index < 8); - - dumpBits |= static_cast<uint16_t>(index << dumpBitsOffset); - dumpBitsOffset += 3; - - if (dumpBitsOffset >= 8) - { - assert(dumpByteOffset < 8); - packedBlocks[dumpByteOffset] = static_cast<uint8_t>(dumpBits & 0xff); - dumpBits >>= 8; - dumpBitsOffset -= 8; - dumpByteOffset++; - } - } - - assert(dumpBitsOffset == 0); - assert(dumpByteOffset == 8); - - packedBlocks += packedBlockStride; - } - } - - static void PackRGB(uint32_t flags, const PixelBlockU8* inputs, uint8_t* packedBlocks, size_t packedBlockStride, const float channelWeights[4], bool alphaTest, float alphaThreshold, bool exhaustive, int maxTweakRounds, int numRefineRounds) - { - ParallelMath::RoundTowardNearestForScope rtn; - - if (numRefineRounds < 1) - numRefineRounds = 1; - - if (maxTweakRounds < 1) - maxTweakRounds = 1; - - EndpointSelector<3, 8> endpointSelector; - - MUInt15 pixels[16][4]; - MFloat floatPixels[16][4]; - - MFloat preWeightedPixels[16][4]; - - for (int px = 0; px < 16; px++) - { - for (int ch = 0; ch < 4; ch++) - ParallelMath::ConvertLDRInputs(inputs, px, ch, pixels[px][ch]); - } - - for (int px = 0; px < 16; px++) - { - for (int ch = 0; ch < 4; ch++) - floatPixels[px][ch] = ParallelMath::ToFloat(pixels[px][ch]); - } - - if (alphaTest) - { - MUInt15 threshold = ParallelMath::MakeUInt15(static_cast<uint16_t>(floor(alphaThreshold * 255.0f + 0.5f))); - - for (int px = 0; px < 16; px++) - { - ParallelMath::Int16CompFlag belowThreshold = ParallelMath::Less(pixels[px][3], threshold); - pixels[px][3] = ParallelMath::Select(belowThreshold, ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(255)); - } - } - - BCCommon::PreWeightPixelsLDR<4>(preWeightedPixels, pixels, channelWeights); - - MUInt15 minAlpha = ParallelMath::MakeUInt15(255); - - for (int px = 0; px < 16; px++) - minAlpha = ParallelMath::Min(minAlpha, pixels[px][3]); - - MFloat pixelWeights[16]; - for (int px = 0; px < 16; px++) - { - pixelWeights[px] = ParallelMath::MakeFloat(1.0f); - if (alphaTest) - { - ParallelMath::Int16CompFlag isTransparent = ParallelMath::Less(pixels[px][3], ParallelMath::MakeUInt15(255)); - - ParallelMath::ConditionalSet(pixelWeights[px], ParallelMath::Int16FlagToFloat(isTransparent), ParallelMath::MakeFloatZero()); - } - } - - for (int pass = 0; pass < NumEndpointSelectorPasses; pass++) - { - for (int px = 0; px < 16; px++) - endpointSelector.ContributePass(preWeightedPixels[px], pass, pixelWeights[px]); - - endpointSelector.FinishPass(pass); - } - - UnfinishedEndpoints<3> ufep = endpointSelector.GetEndpoints(channelWeights); - - MUInt15 bestEndpoints[2][3]; - MUInt15 bestIndexes[16]; - MUInt15 bestRange = ParallelMath::MakeUInt15(0); - MFloat bestError = ParallelMath::MakeFloat(FLT_MAX); - - for (int px = 0; px < 16; px++) - bestIndexes[px] = ParallelMath::MakeUInt15(0); - - for (int ep = 0; ep < 2; ep++) - for (int ch = 0; ch < 3; ch++) - bestEndpoints[ep][ch] = ParallelMath::MakeUInt15(0); - - if (exhaustive) - { - MSInt16 sortBins[16]; - - { - // Compute an 11-bit index, change it to signed, stuff it in the high bits of the sort bins, - // and pack the original indexes into the low bits. - - MUInt15 sortEP[2][3]; - ufep.FinishLDR(0, 11, sortEP[0], sortEP[1]); - - IndexSelector<3> sortSelector; - sortSelector.Init<false>(channelWeights, sortEP, 1 << 11); - - for (int16_t px = 0; px < 16; px++) - { - MSInt16 sortBin = ParallelMath::LosslessCast<MSInt16>::Cast(sortSelector.SelectIndexLDR(floatPixels[px], &rtn) << 4); - - if (alphaTest) - { - ParallelMath::Int16CompFlag isTransparent = ParallelMath::Less(pixels[px][3], ParallelMath::MakeUInt15(255)); - - ParallelMath::ConditionalSet(sortBin, isTransparent, ParallelMath::MakeSInt16(-16)); // 0xfff0 - } - - sortBin = sortBin + ParallelMath::MakeSInt16(px); - - sortBins[px] = sortBin; - } - } - - // Sort bins - for (int sortEnd = 1; sortEnd < 16; sortEnd++) - { - for (int sortLoc = sortEnd; sortLoc > 0; sortLoc--) - { - MSInt16 a = sortBins[sortLoc]; - MSInt16 b = sortBins[sortLoc - 1]; - - sortBins[sortLoc] = ParallelMath::Max(a, b); - sortBins[sortLoc - 1] = ParallelMath::Min(a, b); - } - } - - MUInt15 firstElement = ParallelMath::MakeUInt15(0); - for (uint16_t e = 0; e < 16; e++) - { - ParallelMath::Int16CompFlag isInvalid = ParallelMath::Less(sortBins[e], ParallelMath::MakeSInt16(0)); - ParallelMath::ConditionalSet(firstElement, isInvalid, ParallelMath::MakeUInt15(e + 1)); - if (!ParallelMath::AnySet(isInvalid)) - break; - } - - MUInt15 numElements = ParallelMath::MakeUInt15(16) - firstElement; - - MUInt15 sortedInputs[16][4]; - MFloat floatSortedInputs[16][4]; - MFloat pwFloatSortedInputs[16][4]; - - for (int e = 0; e < 16; e++) - { - for (int ch = 0; ch < 4; ch++) - sortedInputs[e][ch] = ParallelMath::MakeUInt15(0); - } - - for (int block = 0; block < ParallelMath::ParallelSize; block++) - { - for (int e = ParallelMath::Extract(firstElement, block); e < 16; e++) - { - ParallelMath::ScalarUInt16 sortBin = ParallelMath::Extract(sortBins[e], block); - int originalIndex = (sortBin & 15); - - for (int ch = 0; ch < 4; ch++) - ParallelMath::PutUInt15(sortedInputs[15 - e][ch], block, ParallelMath::Extract(pixels[originalIndex][ch], block)); - } - } - - for (int e = 0; e < 16; e++) - { - for (int ch = 0; ch < 4; ch++) - { - MFloat f = ParallelMath::ToFloat(sortedInputs[e][ch]); - floatSortedInputs[e][ch] = f; - pwFloatSortedInputs[e][ch] = f * channelWeights[ch]; - } - } - - for (int n0 = 0; n0 <= 15; n0++) - { - int remainingFor1 = 16 - n0; - if (remainingFor1 == 16) - remainingFor1 = 15; - - for (int n1 = 0; n1 <= remainingFor1; n1++) - { - int remainingFor2 = 16 - n1 - n0; - if (remainingFor2 == 16) - remainingFor2 = 15; - - for (int n2 = 0; n2 <= remainingFor2; n2++) - { - int n3 = 16 - n2 - n1 - n0; - - if (n3 == 16) - continue; - - int counts[4] = { n0, n1, n2, n3 }; - - TestCounts(flags, counts, 4, numElements, pixels, floatPixels, preWeightedPixels, alphaTest, floatSortedInputs, pwFloatSortedInputs, channelWeights, bestError, bestEndpoints, bestIndexes, bestRange, &rtn); - } - } - } - - TestSingleColor(flags, pixels, floatPixels, 4, channelWeights, bestError, bestEndpoints, bestIndexes, bestRange, &rtn); - - if (alphaTest) - { - for (int n0 = 0; n0 <= 15; n0++) - { - int remainingFor1 = 16 - n0; - if (remainingFor1 == 16) - remainingFor1 = 15; - - for (int n1 = 0; n1 <= remainingFor1; n1++) - { - int n2 = 16 - n1 - n0; - - if (n2 == 16) - continue; - - int counts[3] = { n0, n1, n2 }; - - TestCounts(flags, counts, 3, numElements, pixels, floatPixels, preWeightedPixels, alphaTest, floatSortedInputs, pwFloatSortedInputs, channelWeights, bestError, bestEndpoints, bestIndexes, bestRange, &rtn); - } - } - - TestSingleColor(flags, pixels, floatPixels, 3, channelWeights, bestError, bestEndpoints, bestIndexes, bestRange, &rtn); - } - } - else - { - int minRange = alphaTest ? 3 : 4; - - for (int range = minRange; range <= 4; range++) - { - int tweakRounds = BCCommon::TweakRoundsForRange(range); - if (tweakRounds > maxTweakRounds) - tweakRounds = maxTweakRounds; - - for (int tweak = 0; tweak < tweakRounds; tweak++) - { - MUInt15 endPoints[2][3]; - - ufep.FinishLDR(tweak, range, endPoints[0], endPoints[1]); - - for (int refine = 0; refine < numRefineRounds; refine++) - { - EndpointRefiner<3> refiner; - refiner.Init(range, channelWeights); - - TestEndpoints(flags, pixels, floatPixels, preWeightedPixels, endPoints, range, channelWeights, bestError, bestEndpoints, bestIndexes, bestRange, &refiner, &rtn); - - if (refine != numRefineRounds - 1) - refiner.GetRefinedEndpointsLDR(endPoints, &rtn); - } - } - } - } - - for (int block = 0; block < ParallelMath::ParallelSize; block++) - { - ParallelMath::ScalarUInt16 range = ParallelMath::Extract(bestRange, block); - assert(range == 3 || range == 4); - - ParallelMath::ScalarUInt16 compressedEP[2]; - for (int ep = 0; ep < 2; ep++) - { - ParallelMath::ScalarUInt16 endPoint[3]; - for (int ch = 0; ch < 3; ch++) - endPoint[ch] = ParallelMath::Extract(bestEndpoints[ep][ch], block); - - int compressed = (endPoint[0] & 0xf8) << 8; - compressed |= (endPoint[1] & 0xfc) << 3; - compressed |= (endPoint[2] & 0xf8) >> 3; - - compressedEP[ep] = static_cast<ParallelMath::ScalarUInt16>(compressed); - } - - int indexOrder[4]; - - if (range == 4) - { - if (compressedEP[0] == compressedEP[1]) - { - indexOrder[0] = 0; - indexOrder[1] = 0; - indexOrder[2] = 0; - indexOrder[3] = 0; - } - else if (compressedEP[0] < compressedEP[1]) - { - std::swap(compressedEP[0], compressedEP[1]); - indexOrder[0] = 1; - indexOrder[1] = 3; - indexOrder[2] = 2; - indexOrder[3] = 0; - } - else - { - indexOrder[0] = 0; - indexOrder[1] = 2; - indexOrder[2] = 3; - indexOrder[3] = 1; - } - } - else - { - assert(range == 3); - - if (compressedEP[0] > compressedEP[1]) - { - std::swap(compressedEP[0], compressedEP[1]); - indexOrder[0] = 1; - indexOrder[1] = 2; - indexOrder[2] = 0; - } - else - { - indexOrder[0] = 0; - indexOrder[1] = 2; - indexOrder[2] = 1; - } - indexOrder[3] = 3; - } - - packedBlocks[0] = static_cast<uint8_t>(compressedEP[0] & 0xff); - packedBlocks[1] = static_cast<uint8_t>((compressedEP[0] >> 8) & 0xff); - packedBlocks[2] = static_cast<uint8_t>(compressedEP[1] & 0xff); - packedBlocks[3] = static_cast<uint8_t>((compressedEP[1] >> 8) & 0xff); - - for (int i = 0; i < 16; i += 4) - { - int packedIndexes = 0; - for (int subi = 0; subi < 4; subi++) - { - ParallelMath::ScalarUInt16 index = ParallelMath::Extract(bestIndexes[i + subi], block); - packedIndexes |= (indexOrder[index] << (subi * 2)); - } - - packedBlocks[4 + i / 4] = static_cast<uint8_t>(packedIndexes); - } - - packedBlocks += packedBlockStride; - } - } - }; - - // Signed input blocks are converted into unsigned space, with the maximum value being 254 - void BiasSignedInput(PixelBlockU8 inputNormalized[ParallelMath::ParallelSize], const PixelBlockS8 inputSigned[ParallelMath::ParallelSize]) - { - for (size_t block = 0; block < ParallelMath::ParallelSize; block++) - { - const PixelBlockS8& inputSignedBlock = inputSigned[block]; - PixelBlockU8& inputNormalizedBlock = inputNormalized[block]; - - for (size_t px = 0; px < 16; px++) - { - for (size_t ch = 0; ch < 4; ch++) - inputNormalizedBlock.m_pixels[px][ch] = static_cast<uint8_t>(std::max<int>(inputSignedBlock.m_pixels[px][ch], -127) + 127); - } - } - } - - void FillWeights(const Options &options, float channelWeights[4]) - { - if (options.flags & Flags::Uniform) - channelWeights[0] = channelWeights[1] = channelWeights[2] = channelWeights[3] = 1.0f; - else - { - channelWeights[0] = options.redWeight; - channelWeights[1] = options.greenWeight; - channelWeights[2] = options.blueWeight; - channelWeights[3] = options.alphaWeight; - } - } - } - - namespace Kernels - { - void EncodeBC7(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options) - { - assert(pBlocks); - assert(pBC); - - float channelWeights[4]; - Internal::FillWeights(options, channelWeights); - - for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) - { - Internal::BC7Computer::Pack(options.flags, pBlocks + blockBase, pBC, channelWeights, options.seedPoints, options.refineRoundsBC7); - pBC += ParallelMath::ParallelSize * 16; - } - } - - void EncodeBC6HU(uint8_t *pBC, const PixelBlockF16 *pBlocks, const cvtt::Options &options) - { - assert(pBlocks); - assert(pBC); - - float channelWeights[4]; - Internal::FillWeights(options, channelWeights); - - for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) - { - Internal::BC6HComputer::Pack(options.flags, pBlocks + blockBase, pBC, channelWeights, false, options.seedPoints, options.refineRoundsBC6H); - pBC += ParallelMath::ParallelSize * 16; - } - } - - void EncodeBC6HS(uint8_t *pBC, const PixelBlockF16 *pBlocks, const cvtt::Options &options) - { - assert(pBlocks); - assert(pBC); - - float channelWeights[4]; - Internal::FillWeights(options, channelWeights); - - for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) - { - Internal::BC6HComputer::Pack(options.flags, pBlocks + blockBase, pBC, channelWeights, true, options.seedPoints, options.refineRoundsBC6H); - pBC += ParallelMath::ParallelSize * 16; - } - } - - void EncodeBC1(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options) - { - assert(pBlocks); - assert(pBC); - - float channelWeights[4]; - Internal::FillWeights(options, channelWeights); - - for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) - { - Internal::S3TCComputer::PackRGB(options.flags, pBlocks + blockBase, pBC, 8, channelWeights, true, options.threshold, (options.flags & Flags::S3TC_Exhaustive) != 0, options.seedPoints, options.refineRoundsS3TC); - pBC += ParallelMath::ParallelSize * 8; - } - } - - void EncodeBC2(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options) - { - assert(pBlocks); - assert(pBC); - - float channelWeights[4]; - Internal::FillWeights(options, channelWeights); - - for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) - { - Internal::S3TCComputer::PackRGB(options.flags, pBlocks + blockBase, pBC + 8, 16, channelWeights, false, 1.0f, (options.flags & Flags::S3TC_Exhaustive) != 0, options.seedPoints, options.refineRoundsS3TC); - Internal::S3TCComputer::PackExplicitAlpha(options.flags, pBlocks + blockBase, 3, pBC, 16); - pBC += ParallelMath::ParallelSize * 16; - } - } - - void EncodeBC3(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options) - { - assert(pBlocks); - assert(pBC); - - float channelWeights[4]; - Internal::FillWeights(options, channelWeights); - - for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) - { - Internal::S3TCComputer::PackRGB(options.flags, pBlocks + blockBase, pBC + 8, 16, channelWeights, false, 1.0f, (options.flags & Flags::S3TC_Exhaustive) != 0, options.seedPoints, options.refineRoundsS3TC); - Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, pBlocks + blockBase, 3, pBC, 16, false, options.seedPoints, options.refineRoundsIIC); - pBC += ParallelMath::ParallelSize * 16; - } - } - - void EncodeBC4U(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options) - { - assert(pBlocks); - assert(pBC); - - float channelWeights[4]; - Internal::FillWeights(options, channelWeights); - - for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) - { - Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, pBlocks + blockBase, 0, pBC, 8, false, options.seedPoints, options.refineRoundsIIC); - pBC += ParallelMath::ParallelSize * 8; - } - } - - void EncodeBC4S(uint8_t *pBC, const PixelBlockS8 *pBlocks, const Options &options) - { - assert(pBlocks); - assert(pBC); - - float channelWeights[4]; - Internal::FillWeights(options, channelWeights); - - for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) - { - PixelBlockU8 inputBlocks[ParallelMath::ParallelSize]; - Internal::BiasSignedInput(inputBlocks, pBlocks + blockBase); - - Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, inputBlocks, 0, pBC, 8, true, options.seedPoints, options.refineRoundsIIC); - pBC += ParallelMath::ParallelSize * 8; - } - } - - void EncodeBC5U(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options) - { - assert(pBlocks); - assert(pBC); - - float channelWeights[4]; - Internal::FillWeights(options, channelWeights); - - for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) - { - Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, pBlocks + blockBase, 0, pBC, 16, false, options.seedPoints, options.refineRoundsIIC); - Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, pBlocks + blockBase, 1, pBC + 8, 16, false, options.seedPoints, options.refineRoundsIIC); - pBC += ParallelMath::ParallelSize * 16; - } - } - - void EncodeBC5S(uint8_t *pBC, const PixelBlockS8 *pBlocks, const Options &options) - { - assert(pBlocks); - assert(pBC); - - float channelWeights[4]; - Internal::FillWeights(options, channelWeights); - - for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) - { - PixelBlockU8 inputBlocks[ParallelMath::ParallelSize]; - Internal::BiasSignedInput(inputBlocks, pBlocks + blockBase); - - Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, inputBlocks, 0, pBC, 16, true, options.seedPoints, options.refineRoundsIIC); - Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, inputBlocks, 1, pBC + 8, 16, true, options.seedPoints, options.refineRoundsIIC); - pBC += ParallelMath::ParallelSize * 16; - } - } - - void DecodeBC7(PixelBlockU8 *pBlocks, const uint8_t *pBC) - { - assert(pBlocks); - assert(pBC); - - for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase++) - { - Internal::BC7Computer::UnpackOne(pBlocks[blockBase], pBC); - pBC += 16; - } - } - - void DecodeBC6HU(PixelBlockF16 *pBlocks, const uint8_t *pBC) - { - assert(pBlocks); - assert(pBC); - - for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase++) - { - Internal::BC6HComputer::UnpackOne(pBlocks[blockBase], pBC, false); - pBC += 16; - } - } - - void DecodeBC6HS(PixelBlockF16 *pBlocks, const uint8_t *pBC) - { - assert(pBlocks); - assert(pBC); - - for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase++) - { - Internal::BC6HComputer::UnpackOne(pBlocks[blockBase], pBC, true); - pBC += 16; - } - } - } -} diff --git a/thirdparty/cvtt/ConvectionKernels.h b/thirdparty/cvtt/ConvectionKernels.h index fb5ca130f9..3da48405ff 100644 --- a/thirdparty/cvtt/ConvectionKernels.h +++ b/thirdparty/cvtt/ConvectionKernels.h @@ -25,21 +25,13 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #ifndef __CVTT_CONVECTION_KERNELS__ #define __CVTT_CONVECTION_KERNELS__ +#include <stddef.h> #include <stdint.h> namespace cvtt { namespace Flags { - // Enable partitioned modes in BC7 encoding (slower, better quality) - const uint32_t BC7_EnablePartitioning = 0x001; - - // Enable 3-partition modes in BC7 encoding (slower, better quality, requires BC7_EnablePartitioning) - const uint32_t BC7_Enable3Subsets = 0x002; - - // Enable dual-plane modes in BC7 encoding (slower, better quality) - const uint32_t BC7_EnableDualPlane = 0x004; - // Use fast indexing in BC7 encoding (about 2x faster, slightly worse quality) const uint32_t BC7_FastIndexing = 0x008; @@ -61,13 +53,19 @@ namespace cvtt // Uniform color channel importance const uint32_t Uniform = 0x200; + // Use fake BT.709 color space for etc2comp compatibility (slower) + const uint32_t ETC_UseFakeBT709 = 0x400; + + // Use accurate quantization functions when quantizing fake BT.709 (much slower, marginal improvement on specific blocks) + const uint32_t ETC_FakeBT709Accurate = 0x800; + // Misc useful default flag combinations - const uint32_t Fastest = (BC6H_FastIndexing | S3TC_Paranoid); - const uint32_t Faster = (BC7_EnableDualPlane | BC6H_FastIndexing | S3TC_Paranoid); - const uint32_t Fast = (BC7_EnablePartitioning | BC7_EnableDualPlane | BC7_FastIndexing | S3TC_Paranoid); - const uint32_t Default = (BC7_EnablePartitioning | BC7_EnableDualPlane | BC7_Enable3Subsets | BC7_FastIndexing | S3TC_Paranoid); - const uint32_t Better = (BC7_EnablePartitioning | BC7_EnableDualPlane | BC7_Enable3Subsets | S3TC_Paranoid | S3TC_Exhaustive); - const uint32_t Ultra = (BC7_EnablePartitioning | BC7_EnableDualPlane | BC7_Enable3Subsets | BC7_TrySingleColor | S3TC_Paranoid | S3TC_Exhaustive); + const uint32_t Fastest = (BC6H_FastIndexing | BC7_FastIndexing | S3TC_Paranoid); + const uint32_t Faster = (BC6H_FastIndexing | BC7_FastIndexing | S3TC_Paranoid); + const uint32_t Fast = (BC7_FastIndexing | S3TC_Paranoid); + const uint32_t Default = (BC7_FastIndexing | S3TC_Paranoid); + const uint32_t Better = (S3TC_Paranoid | S3TC_Exhaustive); + const uint32_t Ultra = (BC7_TrySingleColor | S3TC_Paranoid | S3TC_Exhaustive | ETC_FakeBT709Accurate); } const unsigned int NumParallelBlocks = 8; @@ -81,7 +79,7 @@ namespace cvtt float blueWeight; // Blue channel importance float alphaWeight; // Alpha channel importance - int refineRoundsBC7; // Number of refine rounds for BC7 + int refineRoundsBC7; // Number of refine rounds for BC7 int refineRoundsBC6H; // Number of refine rounds for BC6H (max 3) int refineRoundsIIC; // Number of refine rounds for independent interpolated channels (BC3 alpha, BC4, BC5) int refineRoundsS3TC; // Number of refine rounds for S3TC RGB @@ -104,6 +102,102 @@ namespace cvtt } }; + struct BC7FineTuningParams + { + // Seed point counts for each mode+configuration combination + uint8_t mode0SP[16]; + uint8_t mode1SP[64]; + uint8_t mode2SP[64]; + uint8_t mode3SP[64]; + uint8_t mode4SP[4][2]; + uint8_t mode5SP[4]; + uint8_t mode6SP; + uint8_t mode7SP[64]; + + BC7FineTuningParams() + { + for (int i = 0; i < 16; i++) + this->mode0SP[i] = 4; + + for (int i = 0; i < 64; i++) + { + this->mode1SP[i] = 4; + this->mode2SP[i] = 4; + this->mode3SP[i] = 4; + this->mode7SP[i] = 4; + } + + for (int i = 0; i < 4; i++) + { + for (int j = 0; j < 2; j++) + this->mode4SP[i][j] = 4; + + this->mode5SP[i] = 4; + } + + this->mode6SP = 4; + } + }; + + struct BC7EncodingPlan + { + static const int kNumRGBAShapes = 129; + static const int kNumRGBShapes = 243; + + uint64_t mode1PartitionEnabled; + uint64_t mode2PartitionEnabled; + uint64_t mode3PartitionEnabled; + uint16_t mode0PartitionEnabled; + uint64_t mode7RGBAPartitionEnabled; + uint64_t mode7RGBPartitionEnabled; + uint8_t mode4SP[4][2]; + uint8_t mode5SP[4]; + bool mode6Enabled; + + uint8_t seedPointsForShapeRGB[kNumRGBShapes]; + uint8_t seedPointsForShapeRGBA[kNumRGBAShapes]; + + uint8_t rgbaShapeList[kNumRGBAShapes]; + uint8_t rgbaNumShapesToEvaluate; + + uint8_t rgbShapeList[kNumRGBShapes]; + uint8_t rgbNumShapesToEvaluate; + + BC7EncodingPlan() + { + for (int i = 0; i < kNumRGBShapes; i++) + { + this->rgbShapeList[i] = i; + this->seedPointsForShapeRGB[i] = 4; + } + this->rgbNumShapesToEvaluate = kNumRGBShapes; + + for (int i = 0; i < kNumRGBAShapes; i++) + { + this->rgbaShapeList[i] = i; + this->seedPointsForShapeRGBA[i] = 4; + } + this->rgbaNumShapesToEvaluate = kNumRGBAShapes; + + + this->mode0PartitionEnabled = 0xffff; + this->mode1PartitionEnabled = 0xffffffffffffffffULL; + this->mode2PartitionEnabled = 0xffffffffffffffffULL; + this->mode3PartitionEnabled = 0xffffffffffffffffULL; + this->mode6Enabled = true; + this->mode7RGBPartitionEnabled = 0xffffffffffffffffULL; + this->mode7RGBAPartitionEnabled = 0xffffffffffffffffULL; + + for (int i = 0; i < 4; i++) + { + for (int j = 0; j < 2; j++) + this->mode4SP[i][j] = 4; + + this->mode5SP[i] = 4; + } + } + }; + // RGBA input block for unsigned 8-bit formats struct PixelBlockU8 { @@ -116,14 +210,34 @@ namespace cvtt int8_t m_pixels[16][4]; }; + struct PixelBlockScalarS16 + { + int16_t m_pixels[16]; + }; + // RGBA input block for half-precision float formats (bit-cast to int16_t) struct PixelBlockF16 { int16_t m_pixels[16][4]; }; + class ETC2CompressionData + { + protected: + ETC2CompressionData() {} + }; + + class ETC1CompressionData + { + protected: + ETC1CompressionData() {} + }; + namespace Kernels { + typedef void* allocFunc_t(void *context, size_t size); + typedef void freeFunc_t(void *context, void* ptr, size_t size); + // NOTE: All functions accept and output NumParallelBlocks blocks at once void EncodeBC1(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options); void EncodeBC2(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options); @@ -134,7 +248,28 @@ namespace cvtt void EncodeBC5S(uint8_t *pBC, const PixelBlockS8 *pBlocks, const Options &options); void EncodeBC6HU(uint8_t *pBC, const PixelBlockF16 *pBlocks, const Options &options); void EncodeBC6HS(uint8_t *pBC, const PixelBlockF16 *pBlocks, const Options &options); - void EncodeBC7(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options); + void EncodeBC7(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options, const BC7EncodingPlan &encodingPlan); + void EncodeETC1(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options, ETC1CompressionData *compressionData); + void EncodeETC2(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options, ETC2CompressionData *compressionData); + void EncodeETC2RGBA(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options, cvtt::ETC2CompressionData *compressionData); + void EncodeETC2PunchthroughAlpha(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options, cvtt::ETC2CompressionData *compressionData); + + void EncodeETC2Alpha(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options); + void EncodeETC2Alpha11(uint8_t *pBC, const PixelBlockScalarS16 *pBlocks, bool isSigned, const cvtt::Options &options); + + // Generates a BC7 encoding plan from a quality parameter that ranges from 1 (fastest) to 100 (best) + void ConfigureBC7EncodingPlanFromQuality(BC7EncodingPlan &encodingPlan, int quality); + + // Generates a BC7 encoding plan from fine-tuning parameters. + bool ConfigureBC7EncodingPlanFromFineTuningParams(BC7EncodingPlan &encodingPlan, const BC7FineTuningParams ¶ms); + + // ETC compression requires temporary storage that normally consumes a large amount of stack space. + // To allocate and release it, use one of these functions. + ETC2CompressionData *AllocETC2Data(allocFunc_t allocFunc, void *context, const cvtt::Options &options); + void ReleaseETC2Data(ETC2CompressionData *compressionData, freeFunc_t freeFunc); + + ETC1CompressionData *AllocETC1Data(allocFunc_t allocFunc, void *context); + void ReleaseETC1Data(ETC1CompressionData *compressionData, freeFunc_t freeFunc); void DecodeBC6HU(PixelBlockF16 *pBlocks, const uint8_t *pBC); void DecodeBC6HS(PixelBlockF16 *pBlocks, const uint8_t *pBC); diff --git a/thirdparty/cvtt/ConvectionKernels_API.cpp b/thirdparty/cvtt/ConvectionKernels_API.cpp new file mode 100644 index 0000000000..707e71d474 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_API.cpp @@ -0,0 +1,346 @@ +/* +Convection Texture Tools +Copyright (c) 2018-2019 Eric Lasota + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject +to the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ +#include "ConvectionKernels_Config.h" + +#if !defined(CVTT_SINGLE_FILE) || defined(CVTT_SINGLE_FILE_IMPL) + +#include <stdint.h> +#include "ConvectionKernels.h" +#include "ConvectionKernels_Util.h" +#include "ConvectionKernels_BC67.h" +#include "ConvectionKernels_ETC.h" +#include "ConvectionKernels_S3TC.h" + +#include <assert.h> + +namespace cvtt +{ + namespace Kernels + { + void EncodeBC7(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options, const BC7EncodingPlan &encodingPlan) + { + assert(pBlocks); + assert(pBC); + + float channelWeights[4]; + Util::FillWeights(options, channelWeights); + + for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + Internal::BC7Computer::Pack(options.flags, pBlocks + blockBase, pBC, channelWeights, encodingPlan, options.refineRoundsBC7); + pBC += ParallelMath::ParallelSize * 16; + } + } + + void EncodeBC6HU(uint8_t *pBC, const PixelBlockF16 *pBlocks, const cvtt::Options &options) + { + assert(pBlocks); + assert(pBC); + + float channelWeights[4]; + Util::FillWeights(options, channelWeights); + + for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + Internal::BC6HComputer::Pack(options.flags, pBlocks + blockBase, pBC, channelWeights, false, options.seedPoints, options.refineRoundsBC6H); + pBC += ParallelMath::ParallelSize * 16; + } + } + + void EncodeBC6HS(uint8_t *pBC, const PixelBlockF16 *pBlocks, const cvtt::Options &options) + { + assert(pBlocks); + assert(pBC); + + float channelWeights[4]; + Util::FillWeights(options, channelWeights); + + for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + Internal::BC6HComputer::Pack(options.flags, pBlocks + blockBase, pBC, channelWeights, true, options.seedPoints, options.refineRoundsBC6H); + pBC += ParallelMath::ParallelSize * 16; + } + } + + void EncodeBC1(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options) + { + assert(pBlocks); + assert(pBC); + + float channelWeights[4]; + Util::FillWeights(options, channelWeights); + + for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + Internal::S3TCComputer::PackRGB(options.flags, pBlocks + blockBase, pBC, 8, channelWeights, true, options.threshold, (options.flags & Flags::S3TC_Exhaustive) != 0, options.seedPoints, options.refineRoundsS3TC); + pBC += ParallelMath::ParallelSize * 8; + } + } + + void EncodeBC2(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options) + { + assert(pBlocks); + assert(pBC); + + float channelWeights[4]; + Util::FillWeights(options, channelWeights); + + for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + Internal::S3TCComputer::PackRGB(options.flags, pBlocks + blockBase, pBC + 8, 16, channelWeights, false, 1.0f, (options.flags & Flags::S3TC_Exhaustive) != 0, options.seedPoints, options.refineRoundsS3TC); + Internal::S3TCComputer::PackExplicitAlpha(options.flags, pBlocks + blockBase, 3, pBC, 16); + pBC += ParallelMath::ParallelSize * 16; + } + } + + void EncodeBC3(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options) + { + assert(pBlocks); + assert(pBC); + + float channelWeights[4]; + Util::FillWeights(options, channelWeights); + + for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + Internal::S3TCComputer::PackRGB(options.flags, pBlocks + blockBase, pBC + 8, 16, channelWeights, false, 1.0f, (options.flags & Flags::S3TC_Exhaustive) != 0, options.seedPoints, options.refineRoundsS3TC); + Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, pBlocks + blockBase, 3, pBC, 16, false, options.seedPoints, options.refineRoundsIIC); + pBC += ParallelMath::ParallelSize * 16; + } + } + + void EncodeBC4U(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options) + { + assert(pBlocks); + assert(pBC); + + float channelWeights[4]; + Util::FillWeights(options, channelWeights); + + for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, pBlocks + blockBase, 0, pBC, 8, false, options.seedPoints, options.refineRoundsIIC); + pBC += ParallelMath::ParallelSize * 8; + } + } + + void EncodeBC4S(uint8_t *pBC, const PixelBlockS8 *pBlocks, const Options &options) + { + assert(pBlocks); + assert(pBC); + + float channelWeights[4]; + Util::FillWeights(options, channelWeights); + + for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + PixelBlockU8 inputBlocks[ParallelMath::ParallelSize]; + Util::BiasSignedInput(inputBlocks, pBlocks + blockBase); + + Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, inputBlocks, 0, pBC, 8, true, options.seedPoints, options.refineRoundsIIC); + pBC += ParallelMath::ParallelSize * 8; + } + } + + void EncodeBC5U(uint8_t *pBC, const PixelBlockU8 *pBlocks, const Options &options) + { + assert(pBlocks); + assert(pBC); + + float channelWeights[4]; + Util::FillWeights(options, channelWeights); + + for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, pBlocks + blockBase, 0, pBC, 16, false, options.seedPoints, options.refineRoundsIIC); + Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, pBlocks + blockBase, 1, pBC + 8, 16, false, options.seedPoints, options.refineRoundsIIC); + pBC += ParallelMath::ParallelSize * 16; + } + } + + void EncodeBC5S(uint8_t *pBC, const PixelBlockS8 *pBlocks, const Options &options) + { + assert(pBlocks); + assert(pBC); + + float channelWeights[4]; + Util::FillWeights(options, channelWeights); + + for (size_t blockBase = 0; blockBase < NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + PixelBlockU8 inputBlocks[ParallelMath::ParallelSize]; + Util::BiasSignedInput(inputBlocks, pBlocks + blockBase); + + Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, inputBlocks, 0, pBC, 16, true, options.seedPoints, options.refineRoundsIIC); + Internal::S3TCComputer::PackInterpolatedAlpha(options.flags, inputBlocks, 1, pBC + 8, 16, true, options.seedPoints, options.refineRoundsIIC); + pBC += ParallelMath::ParallelSize * 16; + } + } + + void EncodeETC1(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options, cvtt::ETC1CompressionData *compressionData) + { + assert(pBlocks); + assert(pBC); + + float channelWeights[4]; + Util::FillWeights(options, channelWeights); + + for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + Internal::ETCComputer::CompressETC1Block(pBC, pBlocks + blockBase, compressionData, options); + pBC += ParallelMath::ParallelSize * 8; + } + } + + void EncodeETC2(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options, cvtt::ETC2CompressionData *compressionData) + { + assert(pBlocks); + assert(pBC); + + float channelWeights[4]; + Util::FillWeights(options, channelWeights); + + for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + Internal::ETCComputer::CompressETC2Block(pBC, pBlocks + blockBase, compressionData, options, false); + pBC += ParallelMath::ParallelSize * 8; + } + } + + void EncodeETC2PunchthroughAlpha(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options, cvtt::ETC2CompressionData *compressionData) + { + assert(pBlocks); + assert(pBC); + + float channelWeights[4]; + Util::FillWeights(options, channelWeights); + + for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + Internal::ETCComputer::CompressETC2Block(pBC, pBlocks + blockBase, compressionData, options, true); + pBC += ParallelMath::ParallelSize * 8; + } + } + + void EncodeETC2Alpha(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options) + { + assert(pBlocks); + assert(pBC); + + for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + Internal::ETCComputer::CompressETC2AlphaBlock(pBC, pBlocks + blockBase, options); + pBC += ParallelMath::ParallelSize * 8; + } + } + + void EncodeETC2Alpha11(uint8_t *pBC, const PixelBlockScalarS16 *pBlocks, bool isSigned, const cvtt::Options &options) + { + assert(pBlocks); + assert(pBC); + + for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase += ParallelMath::ParallelSize) + { + Internal::ETCComputer::CompressEACBlock(pBC, pBlocks + blockBase, isSigned, options); + pBC += ParallelMath::ParallelSize * 8; + } + } + + void EncodeETC2RGBA(uint8_t *pBC, const PixelBlockU8 *pBlocks, const cvtt::Options &options, cvtt::ETC2CompressionData *compressionData) + { + uint8_t alphaBlockData[cvtt::NumParallelBlocks * 8]; + uint8_t colorBlockData[cvtt::NumParallelBlocks * 8]; + + EncodeETC2(colorBlockData, pBlocks, options, compressionData); + EncodeETC2Alpha(alphaBlockData, pBlocks, options); + + for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase++) + { + for (size_t blockData = 0; blockData < 8; blockData++) + pBC[blockBase * 16 + blockData] = alphaBlockData[blockBase * 8 + blockData]; + + for (size_t blockData = 0; blockData < 8; blockData++) + pBC[blockBase * 16 + 8 + blockData] = colorBlockData[blockBase * 8 + blockData]; + } + } + + void DecodeBC7(PixelBlockU8 *pBlocks, const uint8_t *pBC) + { + assert(pBlocks); + assert(pBC); + + for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase++) + { + Internal::BC7Computer::UnpackOne(pBlocks[blockBase], pBC); + pBC += 16; + } + } + + void DecodeBC6HU(PixelBlockF16 *pBlocks, const uint8_t *pBC) + { + assert(pBlocks); + assert(pBC); + + for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase++) + { + Internal::BC6HComputer::UnpackOne(pBlocks[blockBase], pBC, false); + pBC += 16; + } + } + + void DecodeBC6HS(PixelBlockF16 *pBlocks, const uint8_t *pBC) + { + assert(pBlocks); + assert(pBC); + + for (size_t blockBase = 0; blockBase < cvtt::NumParallelBlocks; blockBase++) + { + Internal::BC6HComputer::UnpackOne(pBlocks[blockBase], pBC, true); + pBC += 16; + } + } + + ETC1CompressionData *AllocETC1Data(allocFunc_t allocFunc, void *context) + { + return cvtt::Internal::ETCComputer::AllocETC1Data(allocFunc, context); + } + + void ReleaseETC1Data(ETC1CompressionData *compressionData, freeFunc_t freeFunc) + { + cvtt::Internal::ETCComputer::ReleaseETC1Data(compressionData, freeFunc); + } + + ETC2CompressionData *AllocETC2Data(allocFunc_t allocFunc, void *context, const cvtt::Options &options) + { + return cvtt::Internal::ETCComputer::AllocETC2Data(allocFunc, context, options); + } + + void ReleaseETC2Data(ETC2CompressionData *compressionData, freeFunc_t freeFunc) + { + cvtt::Internal::ETCComputer::ReleaseETC2Data(compressionData, freeFunc); + } + } +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_AggregatedError.h b/thirdparty/cvtt/ConvectionKernels_AggregatedError.h new file mode 100644 index 0000000000..9f9356a345 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_AggregatedError.h @@ -0,0 +1,55 @@ +#pragma once +#ifndef __CVTT_AGGREGATEDERROR_H__ +#define __CVTT_AGGREGATEDERROR_H__ + +#include "ConvectionKernels_ParallelMath.h" + +namespace cvtt +{ + namespace Internal + { + template<int TVectorSize> + class AggregatedError + { + public: + typedef ParallelMath::UInt16 MUInt16; + typedef ParallelMath::UInt31 MUInt31; + typedef ParallelMath::Float MFloat; + + AggregatedError() + { + for (int ch = 0; ch < TVectorSize; ch++) + m_errorUnweighted[ch] = ParallelMath::MakeUInt31(0); + } + + void Add(const MUInt16 &channelErrorUnweighted, int ch) + { + m_errorUnweighted[ch] = m_errorUnweighted[ch] + ParallelMath::ToUInt31(channelErrorUnweighted); + } + + MFloat Finalize(uint32_t flags, const float channelWeightsSq[TVectorSize]) const + { + if (flags & cvtt::Flags::Uniform) + { + MUInt31 total = m_errorUnweighted[0]; + for (int ch = 1; ch < TVectorSize; ch++) + total = total + m_errorUnweighted[ch]; + return ParallelMath::ToFloat(total); + } + else + { + MFloat total = ParallelMath::ToFloat(m_errorUnweighted[0]) * channelWeightsSq[0]; + for (int ch = 1; ch < TVectorSize; ch++) + total = total + ParallelMath::ToFloat(m_errorUnweighted[ch]) * channelWeightsSq[ch]; + return total; + } + } + + private: + MUInt31 m_errorUnweighted[TVectorSize]; + }; + } +} + +#endif + diff --git a/thirdparty/cvtt/ConvectionKernels_BC67.cpp b/thirdparty/cvtt/ConvectionKernels_BC67.cpp new file mode 100644 index 0000000000..791859b232 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_BC67.cpp @@ -0,0 +1,3485 @@ +/* +Convection Texture Tools +Copyright (c) 2018-2019 Eric Lasota + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject +to the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +------------------------------------------------------------------------------------- + +Portions based on DirectX Texture Library (DirectXTex) + +Copyright (c) Microsoft Corporation. All rights reserved. +Licensed under the MIT License. + +http://go.microsoft.com/fwlink/?LinkId=248926 +*/ +#include "ConvectionKernels_Config.h" + +#if !defined(CVTT_SINGLE_FILE) || defined(CVTT_SINGLE_FILE_IMPL) + +#include "ConvectionKernels_BC67.h" + +#include "ConvectionKernels_AggregatedError.h" +#include "ConvectionKernels_BCCommon.h" +#include "ConvectionKernels_BC7_Prio.h" +#include "ConvectionKernels_BC7_SingleColor.h" +#include "ConvectionKernels_BC6H_IO.h" +#include "ConvectionKernels_EndpointRefiner.h" +#include "ConvectionKernels_EndpointSelector.h" +#include "ConvectionKernels_IndexSelectorHDR.h" +#include "ConvectionKernels_ParallelMath.h" +#include "ConvectionKernels_UnfinishedEndpoints.h" + +namespace cvtt +{ + namespace Internal + { + namespace BC67 + { + typedef ParallelMath::Float MFloat; + typedef ParallelMath::UInt15 MUInt15; + + struct WorkInfo + { + MUInt15 m_mode; + MFloat m_error; + MUInt15 m_ep[3][2][4]; + MUInt15 m_indexes[16]; + MUInt15 m_indexes2[16]; + + union + { + MUInt15 m_partition; + struct IndexSelectorAndRotation + { + MUInt15 m_indexSelector; + MUInt15 m_rotation; + } m_isr; + } m_u; + }; + } + + namespace BC7Data + { + enum AlphaMode + { + AlphaMode_Combined, + AlphaMode_Separate, + AlphaMode_None, + }; + + enum PBitMode + { + PBitMode_PerEndpoint, + PBitMode_PerSubset, + PBitMode_None + }; + + struct BC7ModeInfo + { + PBitMode m_pBitMode; + AlphaMode m_alphaMode; + int m_rgbBits; + int m_alphaBits; + int m_partitionBits; + int m_numSubsets; + int m_indexBits; + int m_alphaIndexBits; + bool m_hasIndexSelector; + }; + + BC7ModeInfo g_modes[] = + { + { PBitMode_PerEndpoint, AlphaMode_None, 4, 0, 4, 3, 3, 0, false }, // 0 + { PBitMode_PerSubset, AlphaMode_None, 6, 0, 6, 2, 3, 0, false }, // 1 + { PBitMode_None, AlphaMode_None, 5, 0, 6, 3, 2, 0, false }, // 2 + { PBitMode_PerEndpoint, AlphaMode_None, 7, 0, 6, 2, 2, 0, false }, // 3 (Mode reference has an error, P-bit is really per-endpoint) + + { PBitMode_None, AlphaMode_Separate, 5, 6, 0, 1, 2, 3, true }, // 4 + { PBitMode_None, AlphaMode_Separate, 7, 8, 0, 1, 2, 2, false }, // 5 + { PBitMode_PerEndpoint, AlphaMode_Combined, 7, 7, 0, 1, 4, 0, false }, // 6 + { PBitMode_PerEndpoint, AlphaMode_Combined, 5, 5, 6, 2, 2, 0, false } // 7 + }; + + const int g_weight2[] = { 0, 21, 43, 64 }; + const int g_weight3[] = { 0, 9, 18, 27, 37, 46, 55, 64 }; + const int g_weight4[] = { 0, 4, 9, 13, 17, 21, 26, 30, 34, 38, 43, 47, 51, 55, 60, 64 }; + + const int *g_weightTables[] = + { + NULL, + NULL, + g_weight2, + g_weight3, + g_weight4 + }; + + struct BC6HModeInfo + { + uint16_t m_modeID; + bool m_partitioned; + bool m_transformed; + int m_aPrec; + int m_bPrec[3]; + }; + + // [partitioned][precision] + bool g_hdrModesExistForPrecision[2][17] = + { + //0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 + { false, false, false, false, false, false, false, false, false, false, true, true, true, false, false, false, true }, + { false, false, false, false, false, false, true, true, true, true, true, true, false, false, false, false, false }, + }; + + BC6HModeInfo g_hdrModes[] = + { + { 0x00, true, true, 10,{ 5, 5, 5 } }, + { 0x01, true, true, 7,{ 6, 6, 6 } }, + { 0x02, true, true, 11,{ 5, 4, 4 } }, + { 0x06, true, true, 11,{ 4, 5, 4 } }, + { 0x0a, true, true, 11,{ 4, 4, 5 } }, + { 0x0e, true, true, 9,{ 5, 5, 5 } }, + { 0x12, true, true, 8,{ 6, 5, 5 } }, + { 0x16, true, true, 8,{ 5, 6, 5 } }, + { 0x1a, true, true, 8,{ 5, 5, 6 } }, + { 0x1e, true, false, 6,{ 6, 6, 6 } }, + { 0x03, false, false, 10,{ 10, 10, 10 } }, + { 0x07, false, true, 11,{ 9, 9, 9 } }, + { 0x0b, false, true, 12,{ 8, 8, 8 } }, + { 0x0f, false, true, 16,{ 4, 4, 4 } }, + }; + + const int g_maxHDRPrecision = 16; + + static const size_t g_numHDRModes = sizeof(g_hdrModes) / sizeof(g_hdrModes[0]); + + static uint16_t g_partitionMap[64] = + { + 0xCCCC, 0x8888, 0xEEEE, 0xECC8, + 0xC880, 0xFEEC, 0xFEC8, 0xEC80, + 0xC800, 0xFFEC, 0xFE80, 0xE800, + 0xFFE8, 0xFF00, 0xFFF0, 0xF000, + 0xF710, 0x008E, 0x7100, 0x08CE, + 0x008C, 0x7310, 0x3100, 0x8CCE, + 0x088C, 0x3110, 0x6666, 0x366C, + 0x17E8, 0x0FF0, 0x718E, 0x399C, + 0xaaaa, 0xf0f0, 0x5a5a, 0x33cc, + 0x3c3c, 0x55aa, 0x9696, 0xa55a, + 0x73ce, 0x13c8, 0x324c, 0x3bdc, + 0x6996, 0xc33c, 0x9966, 0x660, + 0x272, 0x4e4, 0x4e40, 0x2720, + 0xc936, 0x936c, 0x39c6, 0x639c, + 0x9336, 0x9cc6, 0x817e, 0xe718, + 0xccf0, 0xfcc, 0x7744, 0xee22, + }; + + static uint32_t g_partitionMap2[64] = + { + 0xaa685050, 0x6a5a5040, 0x5a5a4200, 0x5450a0a8, + 0xa5a50000, 0xa0a05050, 0x5555a0a0, 0x5a5a5050, + 0xaa550000, 0xaa555500, 0xaaaa5500, 0x90909090, + 0x94949494, 0xa4a4a4a4, 0xa9a59450, 0x2a0a4250, + 0xa5945040, 0x0a425054, 0xa5a5a500, 0x55a0a0a0, + 0xa8a85454, 0x6a6a4040, 0xa4a45000, 0x1a1a0500, + 0x0050a4a4, 0xaaa59090, 0x14696914, 0x69691400, + 0xa08585a0, 0xaa821414, 0x50a4a450, 0x6a5a0200, + 0xa9a58000, 0x5090a0a8, 0xa8a09050, 0x24242424, + 0x00aa5500, 0x24924924, 0x24499224, 0x50a50a50, + 0x500aa550, 0xaaaa4444, 0x66660000, 0xa5a0a5a0, + 0x50a050a0, 0x69286928, 0x44aaaa44, 0x66666600, + 0xaa444444, 0x54a854a8, 0x95809580, 0x96969600, + 0xa85454a8, 0x80959580, 0xaa141414, 0x96960000, + 0xaaaa1414, 0xa05050a0, 0xa0a5a5a0, 0x96000000, + 0x40804080, 0xa9a8a9a8, 0xaaaaaa44, 0x2a4a5254, + }; + + static int g_fixupIndexes2[64] = + { + 15,15,15,15, + 15,15,15,15, + 15,15,15,15, + 15,15,15,15, + 15, 2, 8, 2, + 2, 8, 8,15, + 2, 8, 2, 2, + 8, 8, 2, 2, + + 15,15, 6, 8, + 2, 8,15,15, + 2, 8, 2, 2, + 2,15,15, 6, + 6, 2, 6, 8, + 15,15, 2, 2, + 15,15,15,15, + 15, 2, 2,15, + }; + + static int g_fixupIndexes3[64][2] = + { + { 3,15 },{ 3, 8 },{ 15, 8 },{ 15, 3 }, + { 8,15 },{ 3,15 },{ 15, 3 },{ 15, 8 }, + { 8,15 },{ 8,15 },{ 6,15 },{ 6,15 }, + { 6,15 },{ 5,15 },{ 3,15 },{ 3, 8 }, + { 3,15 },{ 3, 8 },{ 8,15 },{ 15, 3 }, + { 3,15 },{ 3, 8 },{ 6,15 },{ 10, 8 }, + { 5, 3 },{ 8,15 },{ 8, 6 },{ 6,10 }, + { 8,15 },{ 5,15 },{ 15,10 },{ 15, 8 }, + + { 8,15 },{ 15, 3 },{ 3,15 },{ 5,10 }, + { 6,10 },{ 10, 8 },{ 8, 9 },{ 15,10 }, + { 15, 6 },{ 3,15 },{ 15, 8 },{ 5,15 }, + { 15, 3 },{ 15, 6 },{ 15, 6 },{ 15, 8 }, + { 3,15 },{ 15, 3 },{ 5,15 },{ 5,15 }, + { 5,15 },{ 8,15 },{ 5,15 },{ 10,15 }, + { 5,15 },{ 10,15 },{ 8,15 },{ 13,15 }, + { 15, 3 },{ 12,15 },{ 3,15 },{ 3, 8 }, + }; + + static const unsigned char g_fragments[] = + { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, // 0, 16 + 0, 1, 2, 3, // 16, 4 + 0, 1, 4, // 20, 3 + 0, 1, 2, 4, // 23, 4 + 2, 3, 7, // 27, 3 + 1, 2, 3, 7, // 30, 4 + 0, 1, 2, 3, 4, 5, 6, 7, // 34, 8 + 0, 1, 4, 8, // 42, 4 + 0, 1, 2, 4, 5, 8, // 46, 6 + 0, 1, 2, 3, 4, 5, 6, 8, // 52, 8 + 1, 4, 5, 6, 9, // 60, 5 + 2, 5, 6, 7, 10, // 65, 5 + 5, 6, 9, 10, // 70, 4 + 2, 3, 7, 11, // 74, 4 + 1, 2, 3, 6, 7, 11, // 78, 6 + 0, 1, 2, 3, 5, 6, 7, 11, // 84, 8 + 0, 1, 2, 3, 8, 9, 10, 11, // 92, 8 + 2, 3, 6, 7, 8, 9, 10, 11, // 100, 8 + 4, 5, 6, 7, 8, 9, 10, 11, // 108, 8 + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // 116, 12 + 0, 4, 8, 12, // 128, 4 + 0, 2, 3, 4, 6, 7, 8, 12, // 132, 8 + 0, 1, 2, 4, 5, 8, 9, 12, // 140, 8 + 0, 1, 2, 3, 4, 5, 6, 8, 9, 12, // 148, 10 + 3, 6, 7, 8, 9, 12, // 158, 6 + 3, 5, 6, 7, 8, 9, 10, 12, // 164, 8 + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, // 172, 12 + 0, 1, 2, 5, 6, 7, 11, 12, // 184, 8 + 5, 8, 9, 10, 13, // 192, 5 + 8, 12, 13, // 197, 3 + 4, 8, 12, 13, // 200, 4 + 2, 3, 6, 9, 12, 13, // 204, 6 + 0, 1, 2, 3, 8, 9, 12, 13, // 210, 8 + 0, 1, 4, 5, 8, 9, 12, 13, // 218, 8 + 2, 3, 6, 7, 8, 9, 12, 13, // 226, 8 + 2, 3, 5, 6, 9, 10, 12, 13, // 234, 8 + 0, 3, 6, 7, 9, 10, 12, 13, // 242, 8 + 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, // 250, 12 + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, // 262, 13 + 2, 3, 4, 7, 8, 11, 12, 13, // 275, 8 + 1, 2, 6, 7, 8, 11, 12, 13, // 283, 8 + 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, // 291, 10 + 2, 3, 4, 5, 10, 11, 12, 13, // 301, 8 + 0, 1, 6, 7, 10, 11, 12, 13, // 309, 8 + 6, 9, 10, 11, 14, // 317, 5 + 0, 2, 4, 6, 8, 10, 12, 14, // 322, 8 + 1, 3, 5, 7, 8, 10, 12, 14, // 330, 8 + 1, 3, 4, 6, 9, 11, 12, 14, // 338, 8 + 0, 2, 5, 7, 9, 11, 12, 14, // 346, 8 + 0, 3, 4, 5, 8, 9, 13, 14, // 354, 8 + 2, 3, 4, 7, 8, 9, 13, 14, // 362, 8 + 1, 2, 5, 6, 9, 10, 13, 14, // 370, 8 + 0, 3, 4, 7, 9, 10, 13, 14, // 378, 8 + 0, 3, 5, 6, 8, 11, 13, 14, // 386, 8 + 1, 2, 4, 7, 8, 11, 13, 14, // 394, 8 + 0, 1, 4, 7, 10, 11, 13, 14, // 402, 8 + 0, 3, 6, 7, 10, 11, 13, 14, // 410, 8 + 8, 12, 13, 14, // 418, 4 + 1, 2, 3, 7, 8, 12, 13, 14, // 422, 8 + 4, 8, 9, 12, 13, 14, // 430, 6 + 0, 4, 5, 8, 9, 12, 13, 14, // 436, 8 + 1, 2, 3, 6, 7, 8, 9, 12, 13, 14, // 444, 10 + 2, 6, 8, 9, 10, 12, 13, 14, // 454, 8 + 0, 1, 2, 4, 5, 6, 8, 9, 10, 12, 13, 14, // 462, 12 + 0, 7, 9, 10, 11, 12, 13, 14, // 474, 8 + 1, 2, 3, 4, 5, 6, 8, 15, // 482, 8 + 3, 7, 11, 15, // 490, 4 + 0, 1, 3, 4, 5, 7, 11, 15, // 494, 8 + 0, 4, 5, 10, 11, 15, // 502, 6 + 1, 2, 3, 6, 7, 10, 11, 15, // 508, 8 + 0, 1, 2, 3, 5, 6, 7, 10, 11, 15, // 516, 10 + 0, 4, 5, 6, 9, 10, 11, 15, // 526, 8 + 0, 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 15, // 534, 12 + 1, 2, 4, 5, 8, 9, 12, 15, // 546, 8 + 2, 3, 5, 6, 8, 9, 12, 15, // 554, 8 + 0, 3, 5, 6, 9, 10, 12, 15, // 562, 8 + 1, 2, 4, 7, 9, 10, 12, 15, // 570, 8 + 1, 2, 5, 6, 8, 11, 12, 15, // 578, 8 + 0, 3, 4, 7, 8, 11, 12, 15, // 586, 8 + 0, 1, 5, 6, 10, 11, 12, 15, // 594, 8 + 1, 2, 6, 7, 10, 11, 12, 15, // 602, 8 + 1, 3, 4, 6, 8, 10, 13, 15, // 610, 8 + 0, 2, 5, 7, 8, 10, 13, 15, // 618, 8 + 0, 2, 4, 6, 9, 11, 13, 15, // 626, 8 + 1, 3, 5, 7, 9, 11, 13, 15, // 634, 8 + 0, 1, 2, 3, 4, 5, 7, 8, 12, 13, 15, // 642, 11 + 2, 3, 4, 5, 8, 9, 14, 15, // 653, 8 + 0, 1, 6, 7, 8, 9, 14, 15, // 661, 8 + 0, 1, 5, 10, 14, 15, // 669, 6 + 0, 3, 4, 5, 9, 10, 14, 15, // 675, 8 + 0, 1, 5, 6, 9, 10, 14, 15, // 683, 8 + 11, 14, 15, // 691, 3 + 7, 11, 14, 15, // 694, 4 + 1, 2, 4, 5, 8, 11, 14, 15, // 698, 8 + 0, 1, 4, 7, 8, 11, 14, 15, // 706, 8 + 0, 1, 4, 5, 10, 11, 14, 15, // 714, 8 + 2, 3, 6, 7, 10, 11, 14, 15, // 722, 8 + 4, 5, 6, 7, 10, 11, 14, 15, // 730, 8 + 0, 1, 4, 5, 7, 8, 10, 11, 14, 15, // 738, 10 + 0, 1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, // 748, 12 + 0, 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 14, 15, // 760, 13 + 0, 1, 2, 3, 4, 6, 7, 11, 12, 14, 15, // 773, 11 + 3, 4, 8, 9, 10, 13, 14, 15, // 784, 8 + 11, 13, 14, 15, // 792, 4 + 0, 1, 2, 4, 11, 13, 14, 15, // 796, 8 + 0, 1, 2, 4, 5, 10, 11, 13, 14, 15, // 804, 10 + 7, 10, 11, 13, 14, 15, // 814, 6 + 3, 6, 7, 10, 11, 13, 14, 15, // 820, 8 + 1, 5, 9, 10, 11, 13, 14, 15, // 828, 8 + 1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, // 836, 12 + 12, 13, 14, 15, // 848, 4 + 0, 1, 2, 3, 12, 13, 14, 15, // 852, 8 + 0, 1, 4, 5, 12, 13, 14, 15, // 860, 8 + 4, 5, 6, 7, 12, 13, 14, 15, // 868, 8 + 4, 8, 9, 10, 12, 13, 14, 15, // 876, 8 + 0, 4, 5, 8, 9, 10, 12, 13, 14, 15, // 884, 10 + 0, 1, 4, 5, 6, 8, 9, 10, 12, 13, 14, 15, // 894, 12 + 0, 1, 2, 3, 4, 7, 8, 11, 12, 13, 14, 15, // 906, 12 + 0, 1, 3, 4, 8, 9, 11, 12, 13, 14, 15, // 918, 11 + 0, 2, 3, 7, 8, 10, 11, 12, 13, 14, 15, // 929, 11 + 7, 9, 10, 11, 12, 13, 14, 15, // 940, 8 + 3, 6, 7, 9, 10, 11, 12, 13, 14, 15, // 948, 10 + 2, 3, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, // 958, 12 + 8, 9, 10, 11, 12, 13, 14, 15, // 970, 8 + 0, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, // 978, 12 + 0, 1, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, // 990, 13 + 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, // 1003, 12 + 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, // 1015, 13 + 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, // 1028, 12 + 0, 2, // 1040, 2 + 1, 3, // 1042, 2 + 0, 1, 4, 5, // 1044, 4 + 0, 1, 2, 4, 5, // 1048, 5 + 2, 3, 6, // 1053, 3 + 0, 2, 4, 6, // 1056, 4 + 1, 2, 5, 6, // 1060, 4 + 0, 1, 2, 3, 5, 6, // 1064, 6 + 0, 1, 2, 4, 5, 6, // 1070, 6 + 0, 1, 2, 3, 4, 5, 6, // 1076, 7 + 0, 3, 4, 7, // 1083, 4 + 0, 1, 2, 3, 4, 7, // 1087, 6 + 1, 3, 5, 7, // 1093, 4 + 2, 3, 6, 7, // 1097, 4 + 1, 2, 3, 6, 7, // 1101, 5 + 1, 2, 3, 5, 6, 7, // 1106, 6 + 0, 1, 2, 3, 5, 6, 7, // 1112, 7 + 4, 5, 6, 7, // 1119, 4 + 0, 8, // 1123, 2 + 0, 1, 4, 5, 8, // 1125, 5 + 0, 1, 8, 9, // 1130, 4 + 4, 5, 8, 9, // 1134, 4 + 0, 1, 4, 5, 8, 9, // 1138, 6 + 2, 6, 8, 9, // 1144, 4 + 6, 7, 8, 9, // 1148, 4 + 0, 2, 4, 6, 8, 10, // 1152, 6 + 1, 2, 5, 6, 9, 10, // 1158, 6 + 0, 3, 4, 7, 9, 10, // 1164, 6 + 0, 1, 2, 8, 9, 10, // 1170, 6 + 4, 5, 6, 8, 9, 10, // 1176, 6 + 3, 11, // 1182, 2 + 2, 3, 6, 7, 11, // 1184, 5 + 0, 3, 8, 11, // 1189, 4 + 0, 3, 4, 7, 8, 11, // 1193, 6 + 1, 3, 5, 7, 9, 11, // 1199, 6 + 2, 3, 10, 11, // 1205, 4 + 1, 5, 10, 11, // 1209, 4 + 4, 5, 10, 11, // 1213, 4 + 6, 7, 10, 11, // 1217, 4 + 2, 3, 6, 7, 10, 11, // 1221, 6 + 1, 2, 3, 9, 10, 11, // 1227, 6 + 5, 6, 7, 9, 10, 11, // 1233, 6 + 8, 9, 10, 11, // 1239, 4 + 4, 12, // 1243, 2 + 0, 1, 2, 3, 4, 5, 8, 12, // 1245, 8 + 8, 9, 12, // 1253, 3 + 0, 4, 5, 8, 9, 12, // 1256, 6 + 0, 1, 4, 5, 8, 9, 12, // 1262, 7 + 2, 3, 5, 6, 8, 9, 12, // 1269, 7 + 1, 5, 9, 13, // 1276, 4 + 6, 7, 9, 13, // 1280, 4 + 1, 4, 7, 10, 13, // 1284, 5 + 1, 6, 8, 11, 13, // 1289, 5 + 0, 1, 12, 13, // 1294, 4 + 4, 5, 12, 13, // 1298, 4 + 0, 1, 6, 7, 12, 13, // 1302, 6 + 0, 1, 4, 8, 12, 13, // 1308, 6 + 8, 9, 12, 13, // 1314, 4 + 4, 8, 9, 12, 13, // 1318, 5 + 4, 5, 8, 9, 12, 13, // 1323, 6 + 0, 4, 5, 8, 9, 12, 13, // 1329, 7 + 0, 1, 6, 10, 12, 13, // 1336, 6 + 3, 6, 7, 9, 10, 12, 13, // 1342, 7 + 0, 1, 10, 11, 12, 13, // 1349, 6 + 2, 4, 7, 9, 14, // 1355, 5 + 4, 5, 10, 14, // 1360, 4 + 2, 6, 10, 14, // 1364, 4 + 2, 5, 8, 11, 14, // 1368, 5 + 0, 2, 12, 14, // 1373, 4 + 8, 10, 12, 14, // 1377, 4 + 4, 6, 8, 10, 12, 14, // 1381, 6 + 13, 14, // 1387, 2 + 9, 10, 13, 14, // 1389, 4 + 5, 6, 9, 10, 13, 14, // 1393, 6 + 0, 1, 2, 12, 13, 14, // 1399, 6 + 4, 5, 6, 12, 13, 14, // 1405, 6 + 8, 9, 12, 13, 14, // 1411, 5 + 8, 9, 10, 12, 13, 14, // 1416, 6 + 7, 15, // 1422, 2 + 0, 5, 10, 15, // 1424, 4 + 0, 1, 2, 3, 6, 7, 11, 15, // 1428, 8 + 10, 11, 15, // 1436, 3 + 0, 1, 5, 6, 10, 11, 15, // 1439, 7 + 3, 6, 7, 10, 11, 15, // 1446, 6 + 12, 15, // 1452, 2 + 0, 3, 12, 15, // 1454, 4 + 4, 7, 12, 15, // 1458, 4 + 0, 3, 6, 9, 12, 15, // 1462, 6 + 0, 3, 5, 10, 12, 15, // 1468, 6 + 8, 11, 12, 15, // 1474, 4 + 5, 6, 8, 11, 12, 15, // 1478, 6 + 4, 7, 8, 11, 12, 15, // 1484, 6 + 1, 3, 13, 15, // 1490, 4 + 9, 11, 13, 15, // 1494, 4 + 5, 7, 9, 11, 13, 15, // 1498, 6 + 2, 3, 14, 15, // 1504, 4 + 2, 3, 4, 5, 14, 15, // 1508, 6 + 6, 7, 14, 15, // 1514, 4 + 2, 3, 5, 9, 14, 15, // 1518, 6 + 2, 3, 8, 9, 14, 15, // 1524, 6 + 10, 14, 15, // 1530, 3 + 0, 4, 5, 9, 10, 14, 15, // 1533, 7 + 2, 3, 7, 11, 14, 15, // 1540, 6 + 10, 11, 14, 15, // 1546, 4 + 7, 10, 11, 14, 15, // 1550, 5 + 6, 7, 10, 11, 14, 15, // 1555, 6 + 1, 2, 3, 13, 14, 15, // 1561, 6 + 5, 6, 7, 13, 14, 15, // 1567, 6 + 10, 11, 13, 14, 15, // 1573, 5 + 9, 10, 11, 13, 14, 15, // 1578, 6 + 0, 4, 8, 9, 12, 13, 14, 15, // 1584, 8 + 9, 10, 12, 13, 14, 15, // 1592, 6 + 8, 11, 12, 13, 14, 15, // 1598, 6 + 3, 7, 10, 11, 12, 13, 14, 15, // 1604, 8 + }; + static const int g_shapeRanges[][2] = + { + { 0, 16 },{ 16, 4 },{ 20, 3 },{ 23, 4 },{ 27, 3 },{ 30, 4 },{ 34, 8 },{ 42, 4 },{ 46, 6 },{ 52, 8 },{ 60, 5 }, + { 65, 5 },{ 70, 4 },{ 74, 4 },{ 78, 6 },{ 84, 8 },{ 92, 8 },{ 100, 8 },{ 108, 8 },{ 116, 12 },{ 128, 4 },{ 132, 8 }, + { 140, 8 },{ 148, 10 },{ 158, 6 },{ 164, 8 },{ 172, 12 },{ 184, 8 },{ 192, 5 },{ 197, 3 },{ 200, 4 },{ 204, 6 },{ 210, 8 }, + { 218, 8 },{ 226, 8 },{ 234, 8 },{ 242, 8 },{ 250, 12 },{ 262, 13 },{ 275, 8 },{ 283, 8 },{ 291, 10 },{ 301, 8 },{ 309, 8 }, + { 317, 5 },{ 322, 8 },{ 330, 8 },{ 338, 8 },{ 346, 8 },{ 354, 8 },{ 362, 8 },{ 370, 8 },{ 378, 8 },{ 386, 8 },{ 394, 8 }, + { 402, 8 },{ 410, 8 },{ 418, 4 },{ 422, 8 },{ 430, 6 },{ 436, 8 },{ 444, 10 },{ 454, 8 },{ 462, 12 },{ 474, 8 },{ 482, 8 }, + { 490, 4 },{ 494, 8 },{ 502, 6 },{ 508, 8 },{ 516, 10 },{ 526, 8 },{ 534, 12 },{ 546, 8 },{ 554, 8 },{ 562, 8 },{ 570, 8 }, + { 578, 8 },{ 586, 8 },{ 594, 8 },{ 602, 8 },{ 610, 8 },{ 618, 8 },{ 626, 8 },{ 634, 8 },{ 642, 11 },{ 653, 8 },{ 661, 8 }, + { 669, 6 },{ 675, 8 },{ 683, 8 },{ 691, 3 },{ 694, 4 },{ 698, 8 },{ 706, 8 },{ 714, 8 },{ 722, 8 },{ 730, 8 },{ 738, 10 }, + { 748, 12 },{ 760, 13 },{ 773, 11 },{ 784, 8 },{ 792, 4 },{ 796, 8 },{ 804, 10 },{ 814, 6 },{ 820, 8 },{ 828, 8 },{ 836, 12 }, + { 848, 4 },{ 852, 8 },{ 860, 8 },{ 868, 8 },{ 876, 8 },{ 884, 10 },{ 894, 12 },{ 906, 12 },{ 918, 11 },{ 929, 11 },{ 940, 8 }, + { 948, 10 },{ 958, 12 },{ 970, 8 },{ 978, 12 },{ 990, 13 },{ 1003, 12 },{ 1015, 13 },{ 1028, 12 },{ 1040, 2 },{ 1042, 2 },{ 1044, 4 }, + { 1048, 5 },{ 1053, 3 },{ 1056, 4 },{ 1060, 4 },{ 1064, 6 },{ 1070, 6 },{ 1076, 7 },{ 1083, 4 },{ 1087, 6 },{ 1093, 4 },{ 1097, 4 }, + { 1101, 5 },{ 1106, 6 },{ 1112, 7 },{ 1119, 4 },{ 1123, 2 },{ 1125, 5 },{ 1130, 4 },{ 1134, 4 },{ 1138, 6 },{ 1144, 4 },{ 1148, 4 }, + { 1152, 6 },{ 1158, 6 },{ 1164, 6 },{ 1170, 6 },{ 1176, 6 },{ 1182, 2 },{ 1184, 5 },{ 1189, 4 },{ 1193, 6 },{ 1199, 6 },{ 1205, 4 }, + { 1209, 4 },{ 1213, 4 },{ 1217, 4 },{ 1221, 6 },{ 1227, 6 },{ 1233, 6 },{ 1239, 4 },{ 1243, 2 },{ 1245, 8 },{ 1253, 3 },{ 1256, 6 }, + { 1262, 7 },{ 1269, 7 },{ 1276, 4 },{ 1280, 4 },{ 1284, 5 },{ 1289, 5 },{ 1294, 4 },{ 1298, 4 },{ 1302, 6 },{ 1308, 6 },{ 1314, 4 }, + { 1318, 5 },{ 1323, 6 },{ 1329, 7 },{ 1336, 6 },{ 1342, 7 },{ 1349, 6 },{ 1355, 5 },{ 1360, 4 },{ 1364, 4 },{ 1368, 5 },{ 1373, 4 }, + { 1377, 4 },{ 1381, 6 },{ 1387, 2 },{ 1389, 4 },{ 1393, 6 },{ 1399, 6 },{ 1405, 6 },{ 1411, 5 },{ 1416, 6 },{ 1422, 2 },{ 1424, 4 }, + { 1428, 8 },{ 1436, 3 },{ 1439, 7 },{ 1446, 6 },{ 1452, 2 },{ 1454, 4 },{ 1458, 4 },{ 1462, 6 },{ 1468, 6 },{ 1474, 4 },{ 1478, 6 }, + { 1484, 6 },{ 1490, 4 },{ 1494, 4 },{ 1498, 6 },{ 1504, 4 },{ 1508, 6 },{ 1514, 4 },{ 1518, 6 },{ 1524, 6 },{ 1530, 3 },{ 1533, 7 }, + { 1540, 6 },{ 1546, 4 },{ 1550, 5 },{ 1555, 6 },{ 1561, 6 },{ 1567, 6 },{ 1573, 5 },{ 1578, 6 },{ 1584, 8 },{ 1592, 6 },{ 1598, 6 }, + { 1604, 8 }, + }; + static const int g_shapes1[][2] = + { + { 0, 16 } + }; + static const int g_shapes2[64][2] = + { + { 33, 96 },{ 63, 66 },{ 20, 109 },{ 22, 107 },{ 37, 92 },{ 7, 122 },{ 8, 121 },{ 23, 106 }, + { 38, 91 },{ 2, 127 },{ 9, 120 },{ 26, 103 },{ 3, 126 },{ 6, 123 },{ 1, 128 },{ 19, 110 }, + { 15, 114 },{ 124, 5 },{ 72, 57 },{ 115, 14 },{ 125, 4 },{ 70, 59 },{ 100, 29 },{ 60, 69 }, + { 116, 13 },{ 99, 30 },{ 78, 51 },{ 94, 35 },{ 104, 25 },{ 111, 18 },{ 71, 58 },{ 90, 39 }, + { 45, 84 },{ 16, 113 },{ 82, 47 },{ 95, 34 },{ 87, 42 },{ 83, 46 },{ 53, 76 },{ 48, 81 }, + { 68, 61 },{ 105, 24 },{ 98, 31 },{ 88, 41 },{ 75, 54 },{ 43, 86 },{ 52, 77 },{ 117, 12 }, + { 119, 10 },{ 118, 11 },{ 85, 44 },{ 101, 28 },{ 36, 93 },{ 55, 74 },{ 89, 40 },{ 79, 50 }, + { 56, 73 },{ 49, 80 },{ 64, 65 },{ 27, 102 },{ 32, 97 },{ 112, 17 },{ 67, 62 },{ 21, 108 }, + }; + static const int g_shapes3[64][3] = + { + { 148, 160, 240 },{ 132, 212, 205 },{ 136, 233, 187 },{ 175, 237, 143 },{ 6, 186, 232 },{ 33, 142, 232 },{ 131, 123, 142 },{ 131, 96, 186 }, + { 6, 171, 110 },{ 1, 18, 110 },{ 1, 146, 123 },{ 33, 195, 66 },{ 20, 51, 66 },{ 20, 178, 96 },{ 2, 177, 106 },{ 211, 4, 59 }, + { 8, 191, 91 },{ 230, 14, 29 },{ 1, 188, 234 },{ 151, 110, 168 },{ 20, 144, 238 },{ 137, 66, 206 },{ 173, 179, 232 },{ 209, 194, 186 }, + { 239, 165, 142 },{ 131, 152, 242 },{ 214, 54, 12 },{ 140, 219, 201 },{ 190, 150, 231 },{ 156, 135, 241 },{ 185, 227, 167 },{ 145, 210, 59 }, + { 138, 174, 106 },{ 189, 229, 14 },{ 176, 133, 106 },{ 78, 178, 195 },{ 111, 146, 171 },{ 216, 180, 196 },{ 217, 181, 193 },{ 184, 228, 166 }, + { 192, 225, 153 },{ 134, 141, 123 },{ 6, 222, 198 },{ 149, 183, 96 },{ 33, 226, 164 },{ 161, 215, 51 },{ 197, 221, 18 },{ 1, 223, 199 }, + { 154, 163, 110 },{ 20, 236, 169 },{ 157, 204, 66 },{ 1, 202, 220 },{ 20, 170, 235 },{ 203, 158, 66 },{ 162, 155, 110 },{ 6, 201, 218 }, + { 139, 135, 123 },{ 33, 167, 224 },{ 182, 150, 96 },{ 19, 200, 213 },{ 63, 207, 159 },{ 147, 172, 109 },{ 129, 130, 128 },{ 208, 14, 59 }, + }; + + static const int g_shapeList1[] = + { + 0, + }; + + static const int g_shapeList2[] = + { + 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, + 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, + 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, + 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, + 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, + 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, + 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, + 122, 123, 124, 125, 126, 127, 128, + }; + + static const int g_shapeList12[] = + { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, + 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, + 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, + 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, + 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, + 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, + 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, + 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, + 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, + 121, 122, 123, 124, 125, 126, 127, 128, + }; + + static const int g_shapeList3[] = + { + 1, 2, 4, 6, 8, 12, 14, 18, 19, 20, 29, + 33, 51, 54, 59, 63, 66, 78, 91, 96, 106, 109, + 110, 111, 123, 128, 129, 130, 131, 132, 133, 134, 135, + 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, + 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, + 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, + 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, + 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, + 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, + 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, + 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, + 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, + 235, 236, 237, 238, 239, 240, 241, 242, + }; + + static const int g_shapeList3Short[] = + { + 1, 2, 4, 6, 18, 20, 33, 51, 59, 66, 96, + 106, 110, 123, 131, 132, 136, 142, 143, 146, 148, 160, + 171, 175, 177, 178, 186, 187, 195, 205, 211, 212, 232, + 233, 237, 240, + }; + + static const int g_shapeListAll[] = + { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, + 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, + 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, + 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, + 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, + 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, + 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, + 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, + 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, + 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, + 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, + 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, + 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, + 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, + 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, + 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, + 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, + 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, + 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, + 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, + 242, + }; + + static const int g_numShapes1 = sizeof(g_shapeList1) / sizeof(g_shapeList1[0]); + static const int g_numShapes2 = sizeof(g_shapeList2) / sizeof(g_shapeList2[0]); + static const int g_numShapes12 = sizeof(g_shapeList12) / sizeof(g_shapeList12[0]); + static const int g_numShapes3 = sizeof(g_shapeList3) / sizeof(g_shapeList3[0]); + static const int g_numShapes3Short = sizeof(g_shapeList3Short) / sizeof(g_shapeList3Short[0]); + static const int g_numShapesAll = sizeof(g_shapeListAll) / sizeof(g_shapeListAll[0]); + static const int g_numFragments = sizeof(g_fragments) / sizeof(g_fragments[0]); + } + + struct PackingVector + { + uint32_t m_vector[4]; + int m_offset; + + void Init() + { + for (int i = 0; i < 4; i++) + m_vector[i] = 0; + + m_offset = 0; + } + + void InitPacked(const uint32_t *v, int bits) + { + for (int b = 0; b < bits; b += 32) + m_vector[b / 32] = v[b / 32]; + + m_offset = bits; + } + + inline void Pack(ParallelMath::ScalarUInt16 value, int bits) + { + int vOffset = m_offset >> 5; + int bitOffset = m_offset & 0x1f; + + m_vector[vOffset] |= (static_cast<uint32_t>(value) << bitOffset) & static_cast<uint32_t>(0xffffffff); + + int overflowBits = bitOffset + bits - 32; + if (overflowBits > 0) + m_vector[vOffset + 1] |= (static_cast<uint32_t>(value) >> (bits - overflowBits)); + + m_offset += bits; + } + + inline void Flush(uint8_t* output) + { + assert(m_offset == 128); + + for (int v = 0; v < 4; v++) + { + uint32_t chunk = m_vector[v]; + for (int b = 0; b < 4; b++) + output[v * 4 + b] = static_cast<uint8_t>((chunk >> (b * 8)) & 0xff); + } + } + }; + + + struct UnpackingVector + { + uint32_t m_vector[4]; + + void Init(const uint8_t *bytes) + { + for (int i = 0; i < 4; i++) + m_vector[i] = 0; + + for (int b = 0; b < 16; b++) + m_vector[b / 4] |= (bytes[b] << ((b % 4) * 8)); + } + + inline void UnpackStart(uint32_t *v, int bits) + { + for (int b = 0; b < bits; b += 32) + v[b / 32] = m_vector[b / 32]; + + int entriesShifted = bits / 32; + int carry = bits % 32; + + for (int i = entriesShifted; i < 4; i++) + m_vector[i - entriesShifted] = m_vector[i]; + + int entriesRemaining = 4 - entriesShifted; + if (carry) + { + uint32_t bitMask = (1 << carry) - 1; + for (int i = 0; i < 4; i++) + { + m_vector[i] >>= carry; + if (i != 3) + m_vector[i] |= (m_vector[i + 1] & bitMask) << (32 - carry); + } + } + } + + inline ParallelMath::ScalarUInt16 Unpack(int bits) + { + uint32_t bitMask = (1 << bits) - 1; + + ParallelMath::ScalarUInt16 result = static_cast<ParallelMath::ScalarUInt16>(m_vector[0] & bitMask); + + for (int i = 0; i < 4; i++) + { + m_vector[i] >>= bits; + if (i != 3) + m_vector[i] |= (m_vector[i + 1] & bitMask) << (32 - bits); + } + + return result; + } + }; + + ParallelMath::Float ScaleHDRValue(const ParallelMath::Float &v, bool isSigned) + { + if (isSigned) + { + ParallelMath::Float offset = ParallelMath::Select(ParallelMath::Less(v, ParallelMath::MakeFloatZero()), ParallelMath::MakeFloat(-30.0f), ParallelMath::MakeFloat(30.0f)); + return (v * 32.0f + offset) / 31.0f; + } + else + return (v * 64.0f + 30.0f) / 31.0f; + } + + ParallelMath::SInt16 UnscaleHDRValueSigned(const ParallelMath::SInt16 &v) + { +#ifdef CVTT_ENABLE_ASSERTS + for (int i = 0; i < ParallelMath::ParallelSize; i++) + assert(ParallelMath::Extract(v, i) != -32768) +#endif + + ParallelMath::Int16CompFlag negative = ParallelMath::Less(v, ParallelMath::MakeSInt16(0)); + ParallelMath::UInt15 absComp = ParallelMath::LosslessCast<ParallelMath::UInt15>::Cast(ParallelMath::Select(negative, ParallelMath::SInt16(ParallelMath::MakeSInt16(0) - v), v)); + + ParallelMath::UInt31 multiplied = ParallelMath::XMultiply(absComp, ParallelMath::MakeUInt15(31)); + ParallelMath::UInt31 shifted = ParallelMath::RightShift(multiplied, 5); + ParallelMath::UInt15 absCompScaled = ParallelMath::ToUInt15(shifted); + ParallelMath::SInt16 signBits = ParallelMath::SelectOrZero(negative, ParallelMath::MakeSInt16(-32768)); + + return ParallelMath::LosslessCast<ParallelMath::SInt16>::Cast(absCompScaled) | signBits; + } + + ParallelMath::UInt15 UnscaleHDRValueUnsigned(const ParallelMath::UInt16 &v) + { + return ParallelMath::ToUInt15(ParallelMath::RightShift(ParallelMath::XMultiply(v, ParallelMath::MakeUInt15(31)), 6)); + } + + void UnscaleHDREndpoints(const ParallelMath::AInt16 inEP[2][3], ParallelMath::AInt16 outEP[2][3], bool isSigned) + { + for (int epi = 0; epi < 2; epi++) + { + for (int ch = 0; ch < 3; ch++) + { + if (isSigned) + outEP[epi][ch] = ParallelMath::LosslessCast<ParallelMath::AInt16>::Cast(UnscaleHDRValueSigned(ParallelMath::LosslessCast<ParallelMath::SInt16>::Cast(inEP[epi][ch]))); + else + outEP[epi][ch] = ParallelMath::LosslessCast<ParallelMath::AInt16>::Cast(UnscaleHDRValueUnsigned(ParallelMath::LosslessCast<ParallelMath::UInt16>::Cast(inEP[epi][ch]))); + } + } + } + + struct SinglePlaneTemporaries + { + UnfinishedEndpoints<3> unfinishedRGB[BC7Data::g_numShapesAll]; + UnfinishedEndpoints<4> unfinishedRGBA[BC7Data::g_numShapes12]; + + ParallelMath::UInt15 fragmentBestIndexes[BC7Data::g_numFragments]; + ParallelMath::UInt15 shapeBestEP[BC7Data::g_numShapesAll][2][4]; + ParallelMath::Float shapeBestError[BC7Data::g_numShapesAll]; + }; + } +} + +void cvtt::Internal::BC7Computer::TweakAlpha(const MUInt15 original[2], int tweak, int range, MUInt15 result[2]) +{ + ParallelMath::RoundTowardNearestForScope roundingMode; + + float tf[2]; + Util::ComputeTweakFactors(tweak, range, tf); + + MFloat base = ParallelMath::ToFloat(original[0]); + MFloat offs = ParallelMath::ToFloat(original[1]) - base; + + result[0] = ParallelMath::RoundAndConvertToU15(ParallelMath::Clamp(base + offs * tf[0], 0.0f, 255.0f), &roundingMode); + result[1] = ParallelMath::RoundAndConvertToU15(ParallelMath::Clamp(base + offs * tf[1], 0.0f, 255.0f), &roundingMode); +} + +void cvtt::Internal::BC7Computer::Quantize(MUInt15* color, int bits, int channels) +{ + for (int ch = 0; ch < channels; ch++) + color[ch] = ParallelMath::RightShift(((color[ch] << bits) - color[ch]) + ParallelMath::MakeUInt15(127 + (1 << (7 - bits))), 8); +} + +void cvtt::Internal::BC7Computer::QuantizeP(MUInt15* color, int bits, uint16_t p, int channels) +{ + int16_t addend; + if (p) + addend = ((1 << (8 - bits)) - 1); + else + addend = 255; + + for (int ch = 0; ch < channels; ch++) + { + MUInt16 ch16 = ParallelMath::LosslessCast<MUInt16>::Cast(color[ch]); + ch16 = ParallelMath::RightShift((ch16 << (bits + 1)) - ch16 + addend, 9); + ch16 = (ch16 << 1) | ParallelMath::MakeUInt16(p); + color[ch] = ParallelMath::LosslessCast<MUInt15>::Cast(ch16); + } +} + +void cvtt::Internal::BC7Computer::Unquantize(MUInt15* color, int bits, int channels) +{ + for (int ch = 0; ch < channels; ch++) + { + MUInt15 clr = color[ch]; + clr = clr << (8 - bits); + color[ch] = clr | ParallelMath::RightShift(clr, bits); + } +} + +void cvtt::Internal::BC7Computer::CompressEndpoints0(MUInt15 ep[2][4], uint16_t p[2]) +{ + for (int j = 0; j < 2; j++) + { + QuantizeP(ep[j], 4, p[j], 3); + Unquantize(ep[j], 5, 3); + ep[j][3] = ParallelMath::MakeUInt15(255); + } +} + +void cvtt::Internal::BC7Computer::CompressEndpoints1(MUInt15 ep[2][4], uint16_t p) +{ + for (int j = 0; j < 2; j++) + { + QuantizeP(ep[j], 6, p, 3); + Unquantize(ep[j], 7, 3); + ep[j][3] = ParallelMath::MakeUInt15(255); + } +} + +void cvtt::Internal::BC7Computer::CompressEndpoints2(MUInt15 ep[2][4]) +{ + for (int j = 0; j < 2; j++) + { + Quantize(ep[j], 5, 3); + Unquantize(ep[j], 5, 3); + ep[j][3] = ParallelMath::MakeUInt15(255); + } +} + +void cvtt::Internal::BC7Computer::CompressEndpoints3(MUInt15 ep[2][4], uint16_t p[2]) +{ + for (int j = 0; j < 2; j++) + { + QuantizeP(ep[j], 7, p[j], 3); + ep[j][3] = ParallelMath::MakeUInt15(255); + } +} + +void cvtt::Internal::BC7Computer::CompressEndpoints4(MUInt15 epRGB[2][3], MUInt15 epA[2]) +{ + for (int j = 0; j < 2; j++) + { + Quantize(epRGB[j], 5, 3); + Unquantize(epRGB[j], 5, 3); + + Quantize(epA + j, 6, 1); + Unquantize(epA + j, 6, 1); + } +} + +void cvtt::Internal::BC7Computer::CompressEndpoints5(MUInt15 epRGB[2][3], MUInt15 epA[2]) +{ + for (int j = 0; j < 2; j++) + { + Quantize(epRGB[j], 7, 3); + Unquantize(epRGB[j], 7, 3); + } + + // Alpha is full precision + (void)epA; +} + +void cvtt::Internal::BC7Computer::CompressEndpoints6(MUInt15 ep[2][4], uint16_t p[2]) +{ + for (int j = 0; j < 2; j++) + QuantizeP(ep[j], 7, p[j], 4); +} + +void cvtt::Internal::BC7Computer::CompressEndpoints7(MUInt15 ep[2][4], uint16_t p[2]) +{ + for (int j = 0; j < 2; j++) + { + QuantizeP(ep[j], 5, p[j], 4); + Unquantize(ep[j], 6, 4); + } +} + +void cvtt::Internal::BC7Computer::TrySingleColorRGBAMultiTable(uint32_t flags, const MUInt15 pixels[16][4], const MFloat average[4], int numRealChannels, const uint8_t *fragmentStart, int shapeLength, const MFloat &staticAlphaError, const ParallelMath::Int16CompFlag punchThroughInvalid[4], MFloat& shapeBestError, MUInt15 shapeBestEP[2][4], MUInt15 *fragmentBestIndexes, const float *channelWeightsSq, const cvtt::Tables::BC7SC::Table*const* tables, int numTables, const ParallelMath::RoundTowardNearestForScope *rtn) +{ + MFloat bestAverageError = ParallelMath::MakeFloat(FLT_MAX); + + MUInt15 intAverage[4]; + for (int ch = 0; ch < 4; ch++) + intAverage[ch] = ParallelMath::RoundAndConvertToU15(average[ch], rtn); + + MUInt15 eps[2][4]; + MUInt15 reconstructed[4]; + MUInt15 index = ParallelMath::MakeUInt15(0); + + for (int epi = 0; epi < 2; epi++) + { + for (int ch = 0; ch < 3; ch++) + eps[epi][ch] = ParallelMath::MakeUInt15(0); + eps[epi][3] = ParallelMath::MakeUInt15(255); + } + + for (int ch = 0; ch < 3; ch++) + reconstructed[ch] = ParallelMath::MakeUInt15(0); + reconstructed[3] = ParallelMath::MakeUInt15(255); + + // Depending on the target index and parity bits, there are multiple valid solid colors. + // We want to find the one closest to the actual average. + MFloat epsAverageDiff = ParallelMath::MakeFloat(FLT_MAX); + for (int t = 0; t < numTables; t++) + { + const cvtt::Tables::BC7SC::Table& table = *(tables[t]); + + ParallelMath::Int16CompFlag pti = punchThroughInvalid[table.m_pBits]; + + MUInt15 candidateReconstructed[4]; + MUInt15 candidateEPs[2][4]; + + for (int i = 0; i < ParallelMath::ParallelSize; i++) + { + for (int ch = 0; ch < numRealChannels; ch++) + { + ParallelMath::ScalarUInt16 avgValue = ParallelMath::Extract(intAverage[ch], i); + assert(avgValue >= 0 && avgValue <= 255); + + const cvtt::Tables::BC7SC::TableEntry &entry = table.m_entries[avgValue]; + + ParallelMath::PutUInt15(candidateEPs[0][ch], i, entry.m_min); + ParallelMath::PutUInt15(candidateEPs[1][ch], i, entry.m_max); + ParallelMath::PutUInt15(candidateReconstructed[ch], i, entry.m_actualColor); + } + } + + MFloat avgError = ParallelMath::MakeFloatZero(); + for (int ch = 0; ch < numRealChannels; ch++) + { + MFloat delta = ParallelMath::ToFloat(candidateReconstructed[ch]) - average[ch]; + avgError = avgError + delta * delta * channelWeightsSq[ch]; + } + + ParallelMath::Int16CompFlag better = ParallelMath::FloatFlagToInt16(ParallelMath::Less(avgError, bestAverageError)); + better = ParallelMath::AndNot(pti, better); // Mask out punch-through invalidations + + if (ParallelMath::AnySet(better)) + { + ParallelMath::ConditionalSet(bestAverageError, ParallelMath::Int16FlagToFloat(better), avgError); + + MUInt15 candidateIndex = ParallelMath::MakeUInt15(table.m_index); + + ParallelMath::ConditionalSet(index, better, candidateIndex); + + for (int ch = 0; ch < numRealChannels; ch++) + ParallelMath::ConditionalSet(reconstructed[ch], better, candidateReconstructed[ch]); + + for (int epi = 0; epi < 2; epi++) + for (int ch = 0; ch < numRealChannels; ch++) + ParallelMath::ConditionalSet(eps[epi][ch], better, candidateEPs[epi][ch]); + } + } + + AggregatedError<4> aggError; + for (int pxi = 0; pxi < shapeLength; pxi++) + { + int px = fragmentStart[pxi]; + + BCCommon::ComputeErrorLDR<4>(flags, reconstructed, pixels[px], numRealChannels, aggError); + } + + MFloat error = aggError.Finalize(flags, channelWeightsSq) + staticAlphaError; + + ParallelMath::Int16CompFlag better = ParallelMath::FloatFlagToInt16(ParallelMath::Less(error, shapeBestError)); + if (ParallelMath::AnySet(better)) + { + shapeBestError = ParallelMath::Min(shapeBestError, error); + for (int epi = 0; epi < 2; epi++) + { + for (int ch = 0; ch < numRealChannels; ch++) + ParallelMath::ConditionalSet(shapeBestEP[epi][ch], better, eps[epi][ch]); + } + + for (int pxi = 0; pxi < shapeLength; pxi++) + ParallelMath::ConditionalSet(fragmentBestIndexes[pxi], better, index); + } +} + +void cvtt::Internal::BC7Computer::TrySinglePlane(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const float channelWeights[4], const BC7EncodingPlan &encodingPlan, int numRefineRounds, BC67::WorkInfo& work, const ParallelMath::RoundTowardNearestForScope *rtn) +{ + if (numRefineRounds < 1) + numRefineRounds = 1; + + float channelWeightsSq[4]; + + for (int ch = 0; ch < 4; ch++) + channelWeightsSq[ch] = channelWeights[ch] * channelWeights[ch]; + + SinglePlaneTemporaries temps; + + MUInt15 maxAlpha = ParallelMath::MakeUInt15(0); + MUInt15 minAlpha = ParallelMath::MakeUInt15(255); + ParallelMath::Int16CompFlag isPunchThrough = ParallelMath::MakeBoolInt16(true); + for (int px = 0; px < 16; px++) + { + MUInt15 a = pixels[px][3]; + maxAlpha = ParallelMath::Max(maxAlpha, a); + minAlpha = ParallelMath::Min(minAlpha, a); + + isPunchThrough = (isPunchThrough & (ParallelMath::Equal(a, ParallelMath::MakeUInt15(0)) | ParallelMath::Equal(a, ParallelMath::MakeUInt15(255)))); + } + + ParallelMath::Int16CompFlag blockHasNonMaxAlpha = ParallelMath::Less(minAlpha, ParallelMath::MakeUInt15(255)); + ParallelMath::Int16CompFlag blockHasNonZeroAlpha = ParallelMath::Less(ParallelMath::MakeUInt15(0), maxAlpha); + + bool anyBlockHasAlpha = ParallelMath::AnySet(blockHasNonMaxAlpha); + + // Try RGB modes if any block has a min alpha 251 or higher + bool allowRGBModes = ParallelMath::AnySet(ParallelMath::Less(ParallelMath::MakeUInt15(250), minAlpha)); + + // Try mode 7 if any block has alpha. + // Mode 7 is almost never selected for RGB blocks because mode 4 has very accurate 7.7.7.1 endpoints + // and its parity bit doesn't affect alpha, meaning mode 7 can only be better in extremely specific + // situations, and only by at most 1 unit of error per pixel. + bool allowMode7 = anyBlockHasAlpha || (encodingPlan.mode7RGBPartitionEnabled != 0); + + MFloat preWeightedPixels[16][4]; + + BCCommon::PreWeightPixelsLDR<4>(preWeightedPixels, pixels, channelWeights); + + // Get initial RGB endpoints + if (allowRGBModes) + { + const uint8_t *shapeList = encodingPlan.rgbShapeList; + int numShapesToEvaluate = encodingPlan.rgbNumShapesToEvaluate; + + for (int shapeIter = 0; shapeIter < numShapesToEvaluate; shapeIter++) + { + int shape = shapeList[shapeIter]; + + int shapeStart = BC7Data::g_shapeRanges[shape][0]; + int shapeSize = BC7Data::g_shapeRanges[shape][1]; + + EndpointSelector<3, 8> epSelector; + + for (int epPass = 0; epPass < NumEndpointSelectorPasses; epPass++) + { + for (int spx = 0; spx < shapeSize; spx++) + { + int px = BC7Data::g_fragments[shapeStart + spx]; + epSelector.ContributePass(preWeightedPixels[px], epPass, ParallelMath::MakeFloat(1.0f)); + } + epSelector.FinishPass(epPass); + } + temps.unfinishedRGB[shape] = epSelector.GetEndpoints(channelWeights); + } + } + + // Get initial RGBA endpoints + { + const uint8_t *shapeList = encodingPlan.rgbaShapeList; + int numShapesToEvaluate = encodingPlan.rgbaNumShapesToEvaluate; + + for (int shapeIter = 0; shapeIter < numShapesToEvaluate; shapeIter++) + { + int shape = shapeList[shapeIter]; + + if (anyBlockHasAlpha || !allowRGBModes) + { + int shapeStart = BC7Data::g_shapeRanges[shape][0]; + int shapeSize = BC7Data::g_shapeRanges[shape][1]; + + EndpointSelector<4, 8> epSelector; + + for (int epPass = 0; epPass < NumEndpointSelectorPasses; epPass++) + { + for (int spx = 0; spx < shapeSize; spx++) + { + int px = BC7Data::g_fragments[shapeStart + spx]; + epSelector.ContributePass(preWeightedPixels[px], epPass, ParallelMath::MakeFloat(1.0f)); + } + epSelector.FinishPass(epPass); + } + temps.unfinishedRGBA[shape] = epSelector.GetEndpoints(channelWeights); + } + else + { + temps.unfinishedRGBA[shape] = temps.unfinishedRGB[shape].ExpandTo<4>(255); + } + } + } + + for (uint16_t mode = 0; mode <= 7; mode++) + { + if (mode == 4 || mode == 5) + continue; + + if (mode < 4 && !allowRGBModes) + continue; + + if (mode == 7 && !allowMode7) + continue; + + uint64_t partitionEnabledBits = 0; + switch (mode) + { + case 0: + partitionEnabledBits = encodingPlan.mode0PartitionEnabled; + break; + case 1: + partitionEnabledBits = encodingPlan.mode1PartitionEnabled; + break; + case 2: + partitionEnabledBits = encodingPlan.mode2PartitionEnabled; + break; + case 3: + partitionEnabledBits = encodingPlan.mode3PartitionEnabled; + break; + case 6: + partitionEnabledBits = encodingPlan.mode6Enabled ? 1 : 0; + break; + case 7: + if (anyBlockHasAlpha) + partitionEnabledBits = encodingPlan.mode7RGBAPartitionEnabled; + else + partitionEnabledBits = encodingPlan.mode7RGBPartitionEnabled; + break; + default: + break; + } + + bool isRGB = (mode < 4); + + unsigned int numPartitions = 1 << BC7Data::g_modes[mode].m_partitionBits; + int numSubsets = BC7Data::g_modes[mode].m_numSubsets; + int indexPrec = BC7Data::g_modes[mode].m_indexBits; + + int parityBitMax = 1; + if (BC7Data::g_modes[mode].m_pBitMode == BC7Data::PBitMode_PerEndpoint) + parityBitMax = 4; + else if (BC7Data::g_modes[mode].m_pBitMode == BC7Data::PBitMode_PerSubset) + parityBitMax = 2; + + int numRealChannels = isRGB ? 3 : 4; + + int numShapes; + const int *shapeList; + + if (numSubsets == 1) + { + numShapes = BC7Data::g_numShapes1; + shapeList = BC7Data::g_shapeList1; + } + else if (numSubsets == 2) + { + numShapes = BC7Data::g_numShapes2; + shapeList = BC7Data::g_shapeList2; + } + else + { + assert(numSubsets == 3); + if (numPartitions == 16) + { + numShapes = BC7Data::g_numShapes3Short; + shapeList = BC7Data::g_shapeList3Short; + } + else + { + assert(numPartitions == 64); + numShapes = BC7Data::g_numShapes3; + shapeList = BC7Data::g_shapeList3; + } + } + + for (int slot = 0; slot < BC7Data::g_numShapesAll; slot++) + temps.shapeBestError[slot] = ParallelMath::MakeFloat(FLT_MAX); + + for (int shapeIter = 0; shapeIter < numShapes; shapeIter++) + { + int shape = shapeList[shapeIter]; + + int numTweakRounds = 0; + if (isRGB) + numTweakRounds = encodingPlan.seedPointsForShapeRGB[shape]; + else + numTweakRounds = encodingPlan.seedPointsForShapeRGBA[shape]; + + if (numTweakRounds == 0) + continue; + + if (numTweakRounds > MaxTweakRounds) + numTweakRounds = MaxTweakRounds; + + int shapeStart = BC7Data::g_shapeRanges[shape][0]; + int shapeLength = BC7Data::g_shapeRanges[shape][1]; + + AggregatedError<1> alphaAggError; + if (isRGB && anyBlockHasAlpha) + { + MUInt15 filledAlpha[1] = { ParallelMath::MakeUInt15(255) }; + + for (int pxi = 0; pxi < shapeLength; pxi++) + { + int px = BC7Data::g_fragments[shapeStart + pxi]; + MUInt15 original[1] = { pixels[px][3] }; + BCCommon::ComputeErrorLDR<1>(flags, filledAlpha, original, alphaAggError); + } + } + + float alphaWeightsSq[1] = { channelWeightsSq[3] }; + MFloat staticAlphaError = alphaAggError.Finalize(flags, alphaWeightsSq); + + MUInt15 tweakBaseEP[MaxTweakRounds][2][4]; + + for (int tweak = 0; tweak < numTweakRounds; tweak++) + { + if (isRGB) + { + temps.unfinishedRGB[shape].FinishLDR(tweak, 1 << indexPrec, tweakBaseEP[tweak][0], tweakBaseEP[tweak][1]); + tweakBaseEP[tweak][0][3] = tweakBaseEP[tweak][1][3] = ParallelMath::MakeUInt15(255); + } + else + { + temps.unfinishedRGBA[shape].FinishLDR(tweak, 1 << indexPrec, tweakBaseEP[tweak][0], tweakBaseEP[tweak][1]); + } + } + + ParallelMath::Int16CompFlag punchThroughInvalid[4]; + for (int pIter = 0; pIter < parityBitMax; pIter++) + { + punchThroughInvalid[pIter] = ParallelMath::MakeBoolInt16(false); + + if ((flags & Flags::BC7_RespectPunchThrough) && (mode == 6 || mode == 7)) + { + // Modes 6 and 7 have parity bits that affect alpha + if (pIter == 0) + punchThroughInvalid[pIter] = (isPunchThrough & blockHasNonZeroAlpha); + else if (pIter == parityBitMax - 1) + punchThroughInvalid[pIter] = (isPunchThrough & blockHasNonMaxAlpha); + else + punchThroughInvalid[pIter] = isPunchThrough; + } + } + + for (int pIter = 0; pIter < parityBitMax; pIter++) + { + if (ParallelMath::AllSet(punchThroughInvalid[pIter])) + continue; + + bool needPunchThroughCheck = ParallelMath::AnySet(punchThroughInvalid[pIter]); + + for (int tweak = 0; tweak < numTweakRounds; tweak++) + { + uint16_t p[2]; + p[0] = (pIter & 1); + p[1] = ((pIter >> 1) & 1); + + MUInt15 ep[2][4]; + + for (int epi = 0; epi < 2; epi++) + for (int ch = 0; ch < 4; ch++) + ep[epi][ch] = tweakBaseEP[tweak][epi][ch]; + + for (int refine = 0; refine < numRefineRounds; refine++) + { + switch (mode) + { + case 0: + CompressEndpoints0(ep, p); + break; + case 1: + CompressEndpoints1(ep, p[0]); + break; + case 2: + CompressEndpoints2(ep); + break; + case 3: + CompressEndpoints3(ep, p); + break; + case 6: + CompressEndpoints6(ep, p); + break; + case 7: + CompressEndpoints7(ep, p); + break; + default: + assert(false); + break; + }; + + MFloat shapeError = ParallelMath::MakeFloatZero(); + + IndexSelector<4> indexSelector; + indexSelector.Init<false>(channelWeights, ep, 1 << indexPrec); + + EndpointRefiner<4> epRefiner; + epRefiner.Init(1 << indexPrec, channelWeights); + + MUInt15 indexes[16]; + + AggregatedError<4> aggError; + for (int pxi = 0; pxi < shapeLength; pxi++) + { + int px = BC7Data::g_fragments[shapeStart + pxi]; + + MUInt15 index; + MUInt15 reconstructed[4]; + + index = indexSelector.SelectIndexLDR(floatPixels[px], rtn); + indexSelector.ReconstructLDR_BC7(index, reconstructed, numRealChannels); + + if (flags & cvtt::Flags::BC7_FastIndexing) + BCCommon::ComputeErrorLDR<4>(flags, reconstructed, pixels[px], numRealChannels, aggError); + else + { + MFloat error = BCCommon::ComputeErrorLDRSimple<4>(flags, reconstructed, pixels[px], numRealChannels, channelWeightsSq); + + MUInt15 altIndexes[2]; + altIndexes[0] = ParallelMath::Max(index, ParallelMath::MakeUInt15(1)) - ParallelMath::MakeUInt15(1); + altIndexes[1] = ParallelMath::Min(index + ParallelMath::MakeUInt15(1), ParallelMath::MakeUInt15(static_cast<uint16_t>((1 << indexPrec) - 1))); + + for (int ii = 0; ii < 2; ii++) + { + indexSelector.ReconstructLDR_BC7(altIndexes[ii], reconstructed, numRealChannels); + + MFloat altError = BCCommon::ComputeErrorLDRSimple<4>(flags, reconstructed, pixels[px], numRealChannels, channelWeightsSq); + ParallelMath::Int16CompFlag better = ParallelMath::FloatFlagToInt16(ParallelMath::Less(altError, error)); + error = ParallelMath::Min(error, altError); + ParallelMath::ConditionalSet(index, better, altIndexes[ii]); + } + + shapeError = shapeError + error; + } + + if (refine != numRefineRounds - 1) + epRefiner.ContributeUnweightedPW(preWeightedPixels[px], index, numRealChannels); + + indexes[pxi] = index; + } + + if (flags & cvtt::Flags::BC7_FastIndexing) + shapeError = aggError.Finalize(flags, channelWeightsSq); + + if (isRGB) + shapeError = shapeError + staticAlphaError; + + ParallelMath::FloatCompFlag shapeErrorBetter; + ParallelMath::Int16CompFlag shapeErrorBetter16; + + shapeErrorBetter = ParallelMath::Less(shapeError, temps.shapeBestError[shape]); + shapeErrorBetter16 = ParallelMath::FloatFlagToInt16(shapeErrorBetter); + + if (ParallelMath::AnySet(shapeErrorBetter16)) + { + bool punchThroughOK = true; + if (needPunchThroughCheck) + { + shapeErrorBetter16 = ParallelMath::AndNot(punchThroughInvalid[pIter], shapeErrorBetter16); + shapeErrorBetter = ParallelMath::Int16FlagToFloat(shapeErrorBetter16); + + if (!ParallelMath::AnySet(shapeErrorBetter16)) + punchThroughOK = false; + } + + if (punchThroughOK) + { + ParallelMath::ConditionalSet(temps.shapeBestError[shape], shapeErrorBetter, shapeError); + for (int epi = 0; epi < 2; epi++) + for (int ch = 0; ch < numRealChannels; ch++) + ParallelMath::ConditionalSet(temps.shapeBestEP[shape][epi][ch], shapeErrorBetter16, ep[epi][ch]); + + for (int pxi = 0; pxi < shapeLength; pxi++) + ParallelMath::ConditionalSet(temps.fragmentBestIndexes[shapeStart + pxi], shapeErrorBetter16, indexes[pxi]); + } + } + + if (refine != numRefineRounds - 1) + epRefiner.GetRefinedEndpointsLDR(ep, numRealChannels, rtn); + } // refine + } // tweak + } // p + + if (flags & cvtt::Flags::BC7_TrySingleColor) + { + MUInt15 total[4]; + for (int ch = 0; ch < 4; ch++) + total[ch] = ParallelMath::MakeUInt15(0); + + for (int pxi = 0; pxi < shapeLength; pxi++) + { + int px = BC7Data::g_fragments[shapeStart + pxi]; + for (int ch = 0; ch < 4; ch++) + total[ch] = total[ch] + pixels[pxi][ch]; + } + + MFloat rcpShapeLength = ParallelMath::MakeFloat(1.0f / static_cast<float>(shapeLength)); + MFloat average[4]; + for (int ch = 0; ch < 4; ch++) + average[ch] = ParallelMath::ToFloat(total[ch]) * rcpShapeLength; + + const uint8_t *fragment = BC7Data::g_fragments + shapeStart; + MFloat &shapeBestError = temps.shapeBestError[shape]; + MUInt15 (&shapeBestEP)[2][4] = temps.shapeBestEP[shape]; + MUInt15 *fragmentBestIndexes = temps.fragmentBestIndexes + shapeStart; + + const cvtt::Tables::BC7SC::Table **scTables = NULL; + int numSCTables = 0; + + const cvtt::Tables::BC7SC::Table *tables0[] = + { + &cvtt::Tables::BC7SC::g_mode0_p00_i1, + &cvtt::Tables::BC7SC::g_mode0_p00_i2, + &cvtt::Tables::BC7SC::g_mode0_p00_i3, + &cvtt::Tables::BC7SC::g_mode0_p01_i1, + &cvtt::Tables::BC7SC::g_mode0_p01_i2, + &cvtt::Tables::BC7SC::g_mode0_p01_i3, + &cvtt::Tables::BC7SC::g_mode0_p10_i1, + &cvtt::Tables::BC7SC::g_mode0_p10_i2, + &cvtt::Tables::BC7SC::g_mode0_p10_i3, + &cvtt::Tables::BC7SC::g_mode0_p11_i1, + &cvtt::Tables::BC7SC::g_mode0_p11_i2, + &cvtt::Tables::BC7SC::g_mode0_p11_i3, + }; + + const cvtt::Tables::BC7SC::Table *tables1[] = + { + &cvtt::Tables::BC7SC::g_mode1_p0_i1, + &cvtt::Tables::BC7SC::g_mode1_p0_i2, + &cvtt::Tables::BC7SC::g_mode1_p0_i3, + &cvtt::Tables::BC7SC::g_mode1_p1_i1, + &cvtt::Tables::BC7SC::g_mode1_p1_i2, + &cvtt::Tables::BC7SC::g_mode1_p1_i3, + }; + + const cvtt::Tables::BC7SC::Table *tables2[] = + { + &cvtt::Tables::BC7SC::g_mode2, + }; + + const cvtt::Tables::BC7SC::Table *tables3[] = + { + &cvtt::Tables::BC7SC::g_mode3_p0, + &cvtt::Tables::BC7SC::g_mode3_p1, + }; + + const cvtt::Tables::BC7SC::Table *tables6[] = + { + &cvtt::Tables::BC7SC::g_mode6_p0_i1, + &cvtt::Tables::BC7SC::g_mode6_p0_i2, + &cvtt::Tables::BC7SC::g_mode6_p0_i3, + &cvtt::Tables::BC7SC::g_mode6_p0_i4, + &cvtt::Tables::BC7SC::g_mode6_p0_i5, + &cvtt::Tables::BC7SC::g_mode6_p0_i6, + &cvtt::Tables::BC7SC::g_mode6_p0_i7, + &cvtt::Tables::BC7SC::g_mode6_p1_i1, + &cvtt::Tables::BC7SC::g_mode6_p1_i2, + &cvtt::Tables::BC7SC::g_mode6_p1_i3, + &cvtt::Tables::BC7SC::g_mode6_p1_i4, + &cvtt::Tables::BC7SC::g_mode6_p1_i5, + &cvtt::Tables::BC7SC::g_mode6_p1_i6, + &cvtt::Tables::BC7SC::g_mode6_p1_i7, + }; + + const cvtt::Tables::BC7SC::Table *tables7[] = + { + &cvtt::Tables::BC7SC::g_mode7_p00, + &cvtt::Tables::BC7SC::g_mode7_p01, + &cvtt::Tables::BC7SC::g_mode7_p10, + &cvtt::Tables::BC7SC::g_mode7_p11, + }; + + switch (mode) + { + case 0: + { + scTables = tables0; + numSCTables = sizeof(tables0) / sizeof(tables0[0]); + } + break; + case 1: + { + scTables = tables1; + numSCTables = sizeof(tables1) / sizeof(tables1[0]); + } + break; + case 2: + { + + scTables = tables2; + numSCTables = sizeof(tables2) / sizeof(tables2[0]); + } + break; + case 3: + { + scTables = tables3; + numSCTables = sizeof(tables3) / sizeof(tables3[0]); + } + break; + case 6: + { + scTables = tables6; + numSCTables = sizeof(tables6) / sizeof(tables6[0]); + } + break; + case 7: + { + scTables = tables7; + numSCTables = sizeof(tables7) / sizeof(tables7[0]); + } + break; + default: + assert(false); + break; + } + + TrySingleColorRGBAMultiTable(flags, pixels, average, numRealChannels, fragment, shapeLength, staticAlphaError, punchThroughInvalid, shapeBestError, shapeBestEP, fragmentBestIndexes, channelWeightsSq, scTables, numSCTables, rtn); + } + } // shapeIter + + uint64_t partitionsEnabledBits = 0xffffffffffffffffULL; + + switch (mode) + { + case 0: + partitionsEnabledBits = encodingPlan.mode0PartitionEnabled; + break; + case 1: + partitionsEnabledBits = encodingPlan.mode1PartitionEnabled; + break; + case 2: + partitionsEnabledBits = encodingPlan.mode2PartitionEnabled; + break; + case 3: + partitionsEnabledBits = encodingPlan.mode3PartitionEnabled; + break; + case 6: + partitionsEnabledBits = encodingPlan.mode6Enabled ? 1 : 0; + break; + case 7: + if (anyBlockHasAlpha) + partitionEnabledBits = encodingPlan.mode7RGBAPartitionEnabled; + else + partitionEnabledBits = encodingPlan.mode7RGBPartitionEnabled; + break; + default: + break; + }; + + for (uint16_t partition = 0; partition < numPartitions; partition++) + { + if (((partitionsEnabledBits >> partition) & 1) == 0) + continue; + + const int *partitionShapes; + if (numSubsets == 1) + partitionShapes = BC7Data::g_shapes1[partition]; + else if (numSubsets == 2) + partitionShapes = BC7Data::g_shapes2[partition]; + else + { + assert(numSubsets == 3); + partitionShapes = BC7Data::g_shapes3[partition]; + } + + MFloat totalError = ParallelMath::MakeFloatZero(); + for (int subset = 0; subset < numSubsets; subset++) + totalError = totalError + temps.shapeBestError[partitionShapes[subset]]; + + ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(totalError, work.m_error); + ParallelMath::Int16CompFlag errorBetter16 = ParallelMath::FloatFlagToInt16(errorBetter); + + if (mode == 7 && anyBlockHasAlpha) + { + // Some lanes could be better, but we filter them out to ensure consistency with scalar + bool isRGBAllowedForThisPartition = (((encodingPlan.mode7RGBPartitionEnabled >> partition) & 1) != 0); + + if (!isRGBAllowedForThisPartition) + { + errorBetter16 = (errorBetter16 & blockHasNonMaxAlpha); + errorBetter = ParallelMath::Int16FlagToFloat(errorBetter16); + } + } + + if (ParallelMath::AnySet(errorBetter16)) + { + for (int subset = 0; subset < numSubsets; subset++) + { + int shape = partitionShapes[subset]; + int shapeStart = BC7Data::g_shapeRanges[shape][0]; + int shapeLength = BC7Data::g_shapeRanges[shape][1]; + + for (int epi = 0; epi < 2; epi++) + for (int ch = 0; ch < 4; ch++) + ParallelMath::ConditionalSet(work.m_ep[subset][epi][ch], errorBetter16, temps.shapeBestEP[shape][epi][ch]); + + for (int pxi = 0; pxi < shapeLength; pxi++) + { + int px = BC7Data::g_fragments[shapeStart + pxi]; + ParallelMath::ConditionalSet(work.m_indexes[px], errorBetter16, temps.fragmentBestIndexes[shapeStart + pxi]); + } + } + + ParallelMath::ConditionalSet(work.m_error, errorBetter, totalError); + ParallelMath::ConditionalSet(work.m_mode, errorBetter16, ParallelMath::MakeUInt15(mode)); + ParallelMath::ConditionalSet(work.m_u.m_partition, errorBetter16, ParallelMath::MakeUInt15(partition)); + } + } + } +} + +void cvtt::Internal::BC7Computer::TryDualPlane(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const float channelWeights[4], const BC7EncodingPlan &encodingPlan, int numRefineRounds, BC67::WorkInfo& work, const ParallelMath::RoundTowardNearestForScope *rtn) +{ + // TODO: These error calculations are not optimal for weight-by-alpha, but this routine needs to be mostly rewritten for that. + // The alpha/color solutions are co-dependent in that case, but a good way to solve it would probably be to + // solve the alpha channel first, then solve the RGB channels, which in turn breaks down into two cases: + // - Separate alpha channel, then weighted RGB + // - Alpha+2 other channels, then the independent channel + if (numRefineRounds < 1) + numRefineRounds = 1; + + float channelWeightsSq[4]; + for (int ch = 0; ch < 4; ch++) + channelWeightsSq[ch] = channelWeights[ch] * channelWeights[ch]; + + for (uint16_t mode = 4; mode <= 5; mode++) + { + int numSP[2] = { 0, 0 }; + + for (uint16_t rotation = 0; rotation < 4; rotation++) + { + if (mode == 4) + { + numSP[0] = encodingPlan.mode4SP[rotation][0]; + numSP[1] = encodingPlan.mode4SP[rotation][1]; + } + else + numSP[0] = numSP[1] = encodingPlan.mode5SP[rotation]; + + if (numSP[0] == 0 && numSP[1] == 0) + continue; + + int alphaChannel = (rotation + 3) & 3; + int redChannel = (rotation == 1) ? 3 : 0; + int greenChannel = (rotation == 2) ? 3 : 1; + int blueChannel = (rotation == 3) ? 3 : 2; + + MUInt15 rotatedRGB[16][3]; + MFloat floatRotatedRGB[16][3]; + + for (int px = 0; px < 16; px++) + { + rotatedRGB[px][0] = pixels[px][redChannel]; + rotatedRGB[px][1] = pixels[px][greenChannel]; + rotatedRGB[px][2] = pixels[px][blueChannel]; + + for (int ch = 0; ch < 3; ch++) + floatRotatedRGB[px][ch] = ParallelMath::ToFloat(rotatedRGB[px][ch]); + } + + uint16_t maxIndexSelector = (mode == 4) ? 2 : 1; + + float rotatedRGBWeights[3] = { channelWeights[redChannel], channelWeights[greenChannel], channelWeights[blueChannel] }; + float rotatedRGBWeightsSq[3] = { channelWeightsSq[redChannel], channelWeightsSq[greenChannel], channelWeightsSq[blueChannel] }; + float rotatedAlphaWeight[1] = { channelWeights[alphaChannel] }; + float rotatedAlphaWeightSq[1] = { channelWeightsSq[alphaChannel] }; + + float uniformWeight[1] = { 1.0f }; // Since the alpha channel is independent, there's no need to bother with weights when doing refinement or selection, only error + + MFloat preWeightedRotatedRGB[16][3]; + BCCommon::PreWeightPixelsLDR<3>(preWeightedRotatedRGB, rotatedRGB, rotatedRGBWeights); + + for (uint16_t indexSelector = 0; indexSelector < maxIndexSelector; indexSelector++) + { + int numTweakRounds = numSP[indexSelector]; + + if (numTweakRounds <= 0) + continue; + + if (numTweakRounds > MaxTweakRounds) + numTweakRounds = MaxTweakRounds; + + EndpointSelector<3, 8> rgbSelector; + + for (int epPass = 0; epPass < NumEndpointSelectorPasses; epPass++) + { + for (int px = 0; px < 16; px++) + rgbSelector.ContributePass(preWeightedRotatedRGB[px], epPass, ParallelMath::MakeFloat(1.0f)); + + rgbSelector.FinishPass(epPass); + } + + MUInt15 alphaRange[2]; + + alphaRange[0] = alphaRange[1] = pixels[0][alphaChannel]; + for (int px = 1; px < 16; px++) + { + alphaRange[0] = ParallelMath::Min(pixels[px][alphaChannel], alphaRange[0]); + alphaRange[1] = ParallelMath::Max(pixels[px][alphaChannel], alphaRange[1]); + } + + int rgbPrec = 0; + int alphaPrec = 0; + + if (mode == 4) + { + rgbPrec = indexSelector ? 3 : 2; + alphaPrec = indexSelector ? 2 : 3; + } + else + rgbPrec = alphaPrec = 2; + + UnfinishedEndpoints<3> unfinishedRGB = rgbSelector.GetEndpoints(rotatedRGBWeights); + + MFloat bestRGBError = ParallelMath::MakeFloat(FLT_MAX); + MFloat bestAlphaError = ParallelMath::MakeFloat(FLT_MAX); + + MUInt15 bestRGBIndexes[16]; + MUInt15 bestAlphaIndexes[16]; + MUInt15 bestEP[2][4]; + + for (int px = 0; px < 16; px++) + bestRGBIndexes[px] = bestAlphaIndexes[px] = ParallelMath::MakeUInt15(0); + + for (int tweak = 0; tweak < numTweakRounds; tweak++) + { + MUInt15 rgbEP[2][3]; + MUInt15 alphaEP[2]; + + unfinishedRGB.FinishLDR(tweak, 1 << rgbPrec, rgbEP[0], rgbEP[1]); + + TweakAlpha(alphaRange, tweak, 1 << alphaPrec, alphaEP); + + for (int refine = 0; refine < numRefineRounds; refine++) + { + if (mode == 4) + CompressEndpoints4(rgbEP, alphaEP); + else + CompressEndpoints5(rgbEP, alphaEP); + + + IndexSelector<1> alphaIndexSelector; + IndexSelector<3> rgbIndexSelector; + + { + MUInt15 alphaEPTemp[2][1] = { { alphaEP[0] },{ alphaEP[1] } }; + alphaIndexSelector.Init<false>(uniformWeight, alphaEPTemp, 1 << alphaPrec); + } + rgbIndexSelector.Init<false>(rotatedRGBWeights, rgbEP, 1 << rgbPrec); + + EndpointRefiner<3> rgbRefiner; + EndpointRefiner<1> alphaRefiner; + + rgbRefiner.Init(1 << rgbPrec, rotatedRGBWeights); + alphaRefiner.Init(1 << alphaPrec, uniformWeight); + + MFloat errorRGB = ParallelMath::MakeFloatZero(); + MFloat errorA = ParallelMath::MakeFloatZero(); + + MUInt15 rgbIndexes[16]; + MUInt15 alphaIndexes[16]; + + AggregatedError<3> rgbAggError; + AggregatedError<1> alphaAggError; + + for (int px = 0; px < 16; px++) + { + MUInt15 rgbIndex = rgbIndexSelector.SelectIndexLDR(floatRotatedRGB[px], rtn); + MUInt15 alphaIndex = alphaIndexSelector.SelectIndexLDR(floatPixels[px] + alphaChannel, rtn); + + MUInt15 reconstructedRGB[3]; + MUInt15 reconstructedAlpha[1]; + + rgbIndexSelector.ReconstructLDR_BC7(rgbIndex, reconstructedRGB); + alphaIndexSelector.ReconstructLDR_BC7(alphaIndex, reconstructedAlpha); + + if (flags & cvtt::Flags::BC7_FastIndexing) + { + BCCommon::ComputeErrorLDR<3>(flags, reconstructedRGB, rotatedRGB[px], rgbAggError); + BCCommon::ComputeErrorLDR<1>(flags, reconstructedAlpha, pixels[px] + alphaChannel, alphaAggError); + } + else + { + AggregatedError<3> baseRGBAggError; + AggregatedError<1> baseAlphaAggError; + + BCCommon::ComputeErrorLDR<3>(flags, reconstructedRGB, rotatedRGB[px], baseRGBAggError); + BCCommon::ComputeErrorLDR<1>(flags, reconstructedAlpha, pixels[px] + alphaChannel, baseAlphaAggError); + + MFloat rgbError = baseRGBAggError.Finalize(flags, rotatedRGBWeightsSq); + MFloat alphaError = baseAlphaAggError.Finalize(flags, rotatedAlphaWeightSq); + + MUInt15 altRGBIndexes[2]; + MUInt15 altAlphaIndexes[2]; + + altRGBIndexes[0] = ParallelMath::Max(rgbIndex, ParallelMath::MakeUInt15(1)) - ParallelMath::MakeUInt15(1); + altRGBIndexes[1] = ParallelMath::Min(rgbIndex + ParallelMath::MakeUInt15(1), ParallelMath::MakeUInt15(static_cast<uint16_t>((1 << rgbPrec) - 1))); + + altAlphaIndexes[0] = ParallelMath::Max(alphaIndex, ParallelMath::MakeUInt15(1)) - ParallelMath::MakeUInt15(1); + altAlphaIndexes[1] = ParallelMath::Min(alphaIndex + ParallelMath::MakeUInt15(1), ParallelMath::MakeUInt15(static_cast<uint16_t>((1 << alphaPrec) - 1))); + + for (int ii = 0; ii < 2; ii++) + { + rgbIndexSelector.ReconstructLDR_BC7(altRGBIndexes[ii], reconstructedRGB); + alphaIndexSelector.ReconstructLDR_BC7(altAlphaIndexes[ii], reconstructedAlpha); + + AggregatedError<3> altRGBAggError; + AggregatedError<1> altAlphaAggError; + + BCCommon::ComputeErrorLDR<3>(flags, reconstructedRGB, rotatedRGB[px], altRGBAggError); + BCCommon::ComputeErrorLDR<1>(flags, reconstructedAlpha, pixels[px] + alphaChannel, altAlphaAggError); + + MFloat altRGBError = altRGBAggError.Finalize(flags, rotatedRGBWeightsSq); + MFloat altAlphaError = altAlphaAggError.Finalize(flags, rotatedAlphaWeightSq); + + ParallelMath::Int16CompFlag rgbBetter = ParallelMath::FloatFlagToInt16(ParallelMath::Less(altRGBError, rgbError)); + ParallelMath::Int16CompFlag alphaBetter = ParallelMath::FloatFlagToInt16(ParallelMath::Less(altAlphaError, alphaError)); + + rgbError = ParallelMath::Min(altRGBError, rgbError); + alphaError = ParallelMath::Min(altAlphaError, alphaError); + + ParallelMath::ConditionalSet(rgbIndex, rgbBetter, altRGBIndexes[ii]); + ParallelMath::ConditionalSet(alphaIndex, alphaBetter, altAlphaIndexes[ii]); + } + + errorRGB = errorRGB + rgbError; + errorA = errorA + alphaError; + } + + if (refine != numRefineRounds - 1) + { + rgbRefiner.ContributeUnweightedPW(preWeightedRotatedRGB[px], rgbIndex); + alphaRefiner.ContributeUnweightedPW(floatPixels[px] + alphaChannel, alphaIndex); + } + + if (flags & Flags::BC7_FastIndexing) + { + errorRGB = rgbAggError.Finalize(flags, rotatedRGBWeightsSq); + errorA = alphaAggError.Finalize(flags, rotatedAlphaWeightSq); + } + + rgbIndexes[px] = rgbIndex; + alphaIndexes[px] = alphaIndex; + } + + ParallelMath::FloatCompFlag rgbBetter = ParallelMath::Less(errorRGB, bestRGBError); + ParallelMath::FloatCompFlag alphaBetter = ParallelMath::Less(errorA, bestAlphaError); + + ParallelMath::Int16CompFlag rgbBetterInt16 = ParallelMath::FloatFlagToInt16(rgbBetter); + ParallelMath::Int16CompFlag alphaBetterInt16 = ParallelMath::FloatFlagToInt16(alphaBetter); + + if (ParallelMath::AnySet(rgbBetterInt16)) + { + bestRGBError = ParallelMath::Min(errorRGB, bestRGBError); + + for (int px = 0; px < 16; px++) + ParallelMath::ConditionalSet(bestRGBIndexes[px], rgbBetterInt16, rgbIndexes[px]); + + for (int ep = 0; ep < 2; ep++) + { + for (int ch = 0; ch < 3; ch++) + ParallelMath::ConditionalSet(bestEP[ep][ch], rgbBetterInt16, rgbEP[ep][ch]); + } + } + + if (ParallelMath::AnySet(alphaBetterInt16)) + { + bestAlphaError = ParallelMath::Min(errorA, bestAlphaError); + + for (int px = 0; px < 16; px++) + ParallelMath::ConditionalSet(bestAlphaIndexes[px], alphaBetterInt16, alphaIndexes[px]); + + for (int ep = 0; ep < 2; ep++) + ParallelMath::ConditionalSet(bestEP[ep][3], alphaBetterInt16, alphaEP[ep]); + } + + if (refine != numRefineRounds - 1) + { + rgbRefiner.GetRefinedEndpointsLDR(rgbEP, rtn); + + MUInt15 alphaEPTemp[2][1]; + alphaRefiner.GetRefinedEndpointsLDR(alphaEPTemp, rtn); + + for (int i = 0; i < 2; i++) + alphaEP[i] = alphaEPTemp[i][0]; + } + } // refine + } // tweak + + MFloat combinedError = bestRGBError + bestAlphaError; + + ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(combinedError, work.m_error); + ParallelMath::Int16CompFlag errorBetter16 = ParallelMath::FloatFlagToInt16(errorBetter); + + work.m_error = ParallelMath::Min(combinedError, work.m_error); + + ParallelMath::ConditionalSet(work.m_mode, errorBetter16, ParallelMath::MakeUInt15(mode)); + ParallelMath::ConditionalSet(work.m_u.m_isr.m_rotation, errorBetter16, ParallelMath::MakeUInt15(rotation)); + ParallelMath::ConditionalSet(work.m_u.m_isr.m_indexSelector, errorBetter16, ParallelMath::MakeUInt15(indexSelector)); + + for (int px = 0; px < 16; px++) + { + ParallelMath::ConditionalSet(work.m_indexes[px], errorBetter16, indexSelector ? bestAlphaIndexes[px] : bestRGBIndexes[px]); + ParallelMath::ConditionalSet(work.m_indexes2[px], errorBetter16, indexSelector ? bestRGBIndexes[px] : bestAlphaIndexes[px]); + } + + for (int ep = 0; ep < 2; ep++) + for (int ch = 0; ch < 4; ch++) + ParallelMath::ConditionalSet(work.m_ep[0][ep][ch], errorBetter16, bestEP[ep][ch]); + } + } + } +} + +template<class T> +void cvtt::Internal::BC7Computer::Swap(T& a, T& b) +{ + T temp = a; + a = b; + b = temp; +} + +void cvtt::Internal::BC7Computer::Pack(uint32_t flags, const PixelBlockU8* inputs, uint8_t* packedBlocks, const float channelWeights[4], const BC7EncodingPlan &encodingPlan, int numRefineRounds) +{ + MUInt15 pixels[16][4]; + MFloat floatPixels[16][4]; + + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 4; ch++) + ParallelMath::ConvertLDRInputs(inputs, px, ch, pixels[px][ch]); + } + + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 4; ch++) + floatPixels[px][ch] = ParallelMath::ToFloat(pixels[px][ch]); + } + + BC67::WorkInfo work; + memset(&work, 0, sizeof(work)); + + work.m_error = ParallelMath::MakeFloat(FLT_MAX); + + { + ParallelMath::RoundTowardNearestForScope rtn; + TrySinglePlane(flags, pixels, floatPixels, channelWeights, encodingPlan, numRefineRounds, work, &rtn); + TryDualPlane(flags, pixels, floatPixels, channelWeights, encodingPlan, numRefineRounds, work, &rtn); + } + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + PackingVector pv; + pv.Init(); + + ParallelMath::ScalarUInt16 mode = ParallelMath::Extract(work.m_mode, block); + ParallelMath::ScalarUInt16 partition = ParallelMath::Extract(work.m_u.m_partition, block); + ParallelMath::ScalarUInt16 indexSelector = ParallelMath::Extract(work.m_u.m_isr.m_indexSelector, block); + + const BC7Data::BC7ModeInfo& modeInfo = BC7Data::g_modes[mode]; + + ParallelMath::ScalarUInt16 indexes[16]; + ParallelMath::ScalarUInt16 indexes2[16]; + ParallelMath::ScalarUInt16 endPoints[3][2][4]; + + for (int i = 0; i < 16; i++) + { + indexes[i] = ParallelMath::Extract(work.m_indexes[i], block); + if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) + indexes2[i] = ParallelMath::Extract(work.m_indexes2[i], block); + } + + for (int subset = 0; subset < 3; subset++) + { + for (int ep = 0; ep < 2; ep++) + { + for (int ch = 0; ch < 4; ch++) + endPoints[subset][ep][ch] = ParallelMath::Extract(work.m_ep[subset][ep][ch], block); + } + } + + int fixups[3] = { 0, 0, 0 }; + + if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) + { + bool flipRGB = ((indexes[0] & (1 << (modeInfo.m_indexBits - 1))) != 0); + bool flipAlpha = ((indexes2[0] & (1 << (modeInfo.m_alphaIndexBits - 1))) != 0); + + if (flipRGB) + { + uint16_t highIndex = (1 << modeInfo.m_indexBits) - 1; + for (int px = 0; px < 16; px++) + indexes[px] = highIndex - indexes[px]; + } + + if (flipAlpha) + { + uint16_t highIndex = (1 << modeInfo.m_alphaIndexBits) - 1; + for (int px = 0; px < 16; px++) + indexes2[px] = highIndex - indexes2[px]; + } + + if (indexSelector) + Swap(flipRGB, flipAlpha); + + if (flipRGB) + { + for (int ch = 0; ch < 3; ch++) + Swap(endPoints[0][0][ch], endPoints[0][1][ch]); + } + if (flipAlpha) + Swap(endPoints[0][0][3], endPoints[0][1][3]); + + } + else + { + if (modeInfo.m_numSubsets == 2) + fixups[1] = BC7Data::g_fixupIndexes2[partition]; + else if (modeInfo.m_numSubsets == 3) + { + fixups[1] = BC7Data::g_fixupIndexes3[partition][0]; + fixups[2] = BC7Data::g_fixupIndexes3[partition][1]; + } + + bool flip[3] = { false, false, false }; + for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) + flip[subset] = ((indexes[fixups[subset]] & (1 << (modeInfo.m_indexBits - 1))) != 0); + + if (flip[0] || flip[1] || flip[2]) + { + uint16_t highIndex = (1 << modeInfo.m_indexBits) - 1; + for (int px = 0; px < 16; px++) + { + int subset = 0; + if (modeInfo.m_numSubsets == 2) + subset = (BC7Data::g_partitionMap[partition] >> px) & 1; + else if (modeInfo.m_numSubsets == 3) + subset = (BC7Data::g_partitionMap2[partition] >> (px * 2)) & 3; + + if (flip[subset]) + indexes[px] = highIndex - indexes[px]; + } + + int maxCH = (modeInfo.m_alphaMode == BC7Data::AlphaMode_Combined) ? 4 : 3; + for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) + { + if (flip[subset]) + for (int ch = 0; ch < maxCH; ch++) + Swap(endPoints[subset][0][ch], endPoints[subset][1][ch]); + } + } + } + + pv.Pack(static_cast<uint8_t>(1 << mode), mode + 1); + + if (modeInfo.m_partitionBits) + pv.Pack(partition, modeInfo.m_partitionBits); + + if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) + { + ParallelMath::ScalarUInt16 rotation = ParallelMath::Extract(work.m_u.m_isr.m_rotation, block); + pv.Pack(rotation, 2); + } + + if (modeInfo.m_hasIndexSelector) + pv.Pack(indexSelector, 1); + + // Encode RGB + for (int ch = 0; ch < 3; ch++) + { + for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) + { + for (int ep = 0; ep < 2; ep++) + { + ParallelMath::ScalarUInt16 epPart = endPoints[subset][ep][ch]; + epPart >>= (8 - modeInfo.m_rgbBits); + + pv.Pack(epPart, modeInfo.m_rgbBits); + } + } + } + + // Encode alpha + if (modeInfo.m_alphaMode != BC7Data::AlphaMode_None) + { + for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) + { + for (int ep = 0; ep < 2; ep++) + { + ParallelMath::ScalarUInt16 epPart = endPoints[subset][ep][3]; + epPart >>= (8 - modeInfo.m_alphaBits); + + pv.Pack(epPart, modeInfo.m_alphaBits); + } + } + } + + // Encode parity bits + if (modeInfo.m_pBitMode == BC7Data::PBitMode_PerSubset) + { + for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) + { + ParallelMath::ScalarUInt16 epPart = endPoints[subset][0][0]; + epPart >>= (7 - modeInfo.m_rgbBits); + epPart &= 1; + + pv.Pack(epPart, 1); + } + } + else if (modeInfo.m_pBitMode == BC7Data::PBitMode_PerEndpoint) + { + for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) + { + for (int ep = 0; ep < 2; ep++) + { + ParallelMath::ScalarUInt16 epPart = endPoints[subset][ep][0]; + epPart >>= (7 - modeInfo.m_rgbBits); + epPart &= 1; + + pv.Pack(epPart, 1); + } + } + } + + // Encode indexes + for (int px = 0; px < 16; px++) + { + int bits = modeInfo.m_indexBits; + if ((px == 0) || (px == fixups[1]) || (px == fixups[2])) + bits--; + + pv.Pack(indexes[px], bits); + } + + // Encode secondary indexes + if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) + { + for (int px = 0; px < 16; px++) + { + int bits = modeInfo.m_alphaIndexBits; + if (px == 0) + bits--; + + pv.Pack(indexes2[px], bits); + } + } + + pv.Flush(packedBlocks); + + packedBlocks += 16; + } +} + +void cvtt::Internal::BC7Computer::UnpackOne(PixelBlockU8 &output, const uint8_t* packedBlock) +{ + UnpackingVector pv; + pv.Init(packedBlock); + + int mode = 8; + for (int i = 0; i < 8; i++) + { + if (pv.Unpack(1) == 1) + { + mode = i; + break; + } + } + + if (mode > 7) + { + for (int px = 0; px < 16; px++) + for (int ch = 0; ch < 4; ch++) + output.m_pixels[px][ch] = 0; + + return; + } + + const BC7Data::BC7ModeInfo &modeInfo = BC7Data::g_modes[mode]; + + int partition = 0; + if (modeInfo.m_partitionBits) + partition = pv.Unpack(modeInfo.m_partitionBits); + + int rotation = 0; + if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) + rotation = pv.Unpack(2); + + int indexSelector = 0; + if (modeInfo.m_hasIndexSelector) + indexSelector = pv.Unpack(1); + + // Resolve fixups + int fixups[3] = { 0, 0, 0 }; + + if (modeInfo.m_alphaMode != BC7Data::AlphaMode_Separate) + { + if (modeInfo.m_numSubsets == 2) + fixups[1] = BC7Data::g_fixupIndexes2[partition]; + else if (modeInfo.m_numSubsets == 3) + { + fixups[1] = BC7Data::g_fixupIndexes3[partition][0]; + fixups[2] = BC7Data::g_fixupIndexes3[partition][1]; + } + } + + int endPoints[3][2][4]; + + // Decode RGB + for (int ch = 0; ch < 3; ch++) + { + for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) + { + for (int ep = 0; ep < 2; ep++) + endPoints[subset][ep][ch] = (pv.Unpack(modeInfo.m_rgbBits) << (8 - modeInfo.m_rgbBits)); + } + } + + // Decode alpha + if (modeInfo.m_alphaMode != BC7Data::AlphaMode_None) + { + for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) + { + for (int ep = 0; ep < 2; ep++) + endPoints[subset][ep][3] = (pv.Unpack(modeInfo.m_alphaBits) << (8 - modeInfo.m_alphaBits)); + } + } + else + { + for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) + { + for (int ep = 0; ep < 2; ep++) + endPoints[subset][ep][3] = 255; + } + } + + int parityBits = 0; + + // Decode parity bits + if (modeInfo.m_pBitMode == BC7Data::PBitMode_PerSubset) + { + for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) + { + int p = pv.Unpack(1); + + for (int ep = 0; ep < 2; ep++) + { + for (int ch = 0; ch < 3; ch++) + endPoints[subset][ep][ch] |= p << (7 - modeInfo.m_rgbBits); + + if (modeInfo.m_alphaMode != BC7Data::AlphaMode_None) + endPoints[subset][ep][3] |= p << (7 - modeInfo.m_alphaBits); + } + } + + parityBits = 1; + } + else if (modeInfo.m_pBitMode == BC7Data::PBitMode_PerEndpoint) + { + for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) + { + for (int ep = 0; ep < 2; ep++) + { + int p = pv.Unpack(1); + + for (int ch = 0; ch < 3; ch++) + endPoints[subset][ep][ch] |= p << (7 - modeInfo.m_rgbBits); + + if (modeInfo.m_alphaMode != BC7Data::AlphaMode_None) + endPoints[subset][ep][3] |= p << (7 - modeInfo.m_alphaBits); + } + } + + parityBits = 1; + } + + // Fill endpoint bits + for (int subset = 0; subset < modeInfo.m_numSubsets; subset++) + { + for (int ep = 0; ep < 2; ep++) + { + for (int ch = 0; ch < 3; ch++) + endPoints[subset][ep][ch] |= (endPoints[subset][ep][ch] >> (modeInfo.m_rgbBits + parityBits)); + + if (modeInfo.m_alphaMode != BC7Data::AlphaMode_None) + endPoints[subset][ep][3] |= (endPoints[subset][ep][3] >> (modeInfo.m_alphaBits + parityBits)); + } + } + + int indexes[16]; + int indexes2[16]; + + // Decode indexes + for (int px = 0; px < 16; px++) + { + int bits = modeInfo.m_indexBits; + if ((px == 0) || (px == fixups[1]) || (px == fixups[2])) + bits--; + + indexes[px] = pv.Unpack(bits); + } + + // Decode secondary indexes + if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) + { + for (int px = 0; px < 16; px++) + { + int bits = modeInfo.m_alphaIndexBits; + if (px == 0) + bits--; + + indexes2[px] = pv.Unpack(bits); + } + } + else + { + for (int px = 0; px < 16; px++) + indexes2[px] = 0; + } + + const int *alphaWeights = BC7Data::g_weightTables[modeInfo.m_alphaIndexBits]; + const int *rgbWeights = BC7Data::g_weightTables[modeInfo.m_indexBits]; + + // Decode each pixel + for (int px = 0; px < 16; px++) + { + int rgbWeight = 0; + int alphaWeight = 0; + + int rgbIndex = indexes[px]; + + rgbWeight = rgbWeights[indexes[px]]; + + if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Combined) + alphaWeight = rgbWeight; + else if (modeInfo.m_alphaMode == BC7Data::AlphaMode_Separate) + alphaWeight = alphaWeights[indexes2[px]]; + + if (indexSelector == 1) + { + int temp = rgbWeight; + rgbWeight = alphaWeight; + alphaWeight = temp; + } + + int pixel[4] = { 0, 0, 0, 255 }; + + int subset = 0; + + if (modeInfo.m_numSubsets == 2) + subset = (BC7Data::g_partitionMap[partition] >> px) & 1; + else if (modeInfo.m_numSubsets == 3) + subset = (BC7Data::g_partitionMap2[partition] >> (px * 2)) & 3; + + for (int ch = 0; ch < 3; ch++) + pixel[ch] = ((64 - rgbWeight) * endPoints[subset][0][ch] + rgbWeight * endPoints[subset][1][ch] + 32) >> 6; + + if (modeInfo.m_alphaMode != BC7Data::AlphaMode_None) + pixel[3] = ((64 - alphaWeight) * endPoints[subset][0][3] + alphaWeight * endPoints[subset][1][3] + 32) >> 6; + + if (rotation != 0) + { + int ch = rotation - 1; + int temp = pixel[ch]; + pixel[ch] = pixel[3]; + pixel[3] = temp; + } + + for (int ch = 0; ch < 4; ch++) + output.m_pixels[px][ch] = static_cast<uint8_t>(pixel[ch]); + } +} + +cvtt::ParallelMath::SInt16 cvtt::Internal::BC6HComputer::QuantizeSingleEndpointElementSigned(const MSInt16 &elem2CL, int precision, const ParallelMath::RoundUpForScope* ru) +{ + assert(ParallelMath::AllSet(ParallelMath::Less(elem2CL, ParallelMath::MakeSInt16(31744)))); + assert(ParallelMath::AllSet(ParallelMath::Less(ParallelMath::MakeSInt16(-31744), elem2CL))); + + // Expand to full range + ParallelMath::Int16CompFlag isNegative = ParallelMath::Less(elem2CL, ParallelMath::MakeSInt16(0)); + MUInt15 absElem = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Select(isNegative, ParallelMath::MakeSInt16(0) - elem2CL, elem2CL)); + + absElem = ParallelMath::RightShift(ParallelMath::RoundAndConvertToU15(ParallelMath::ToFloat(absElem) * 32.0f / 31.0f, ru), 16 - precision); + + MSInt16 absElemS16 = ParallelMath::LosslessCast<MSInt16>::Cast(absElem); + + return ParallelMath::Select(isNegative, ParallelMath::MakeSInt16(0) - absElemS16, absElemS16); +} + +cvtt::ParallelMath::UInt15 cvtt::Internal::BC6HComputer::QuantizeSingleEndpointElementUnsigned(const MUInt15 &elem, int precision, const ParallelMath::RoundUpForScope* ru) +{ + MUInt16 expandedElem = ParallelMath::RoundAndConvertToU16(ParallelMath::Min(ParallelMath::ToFloat(elem) * 64.0f / 31.0f, ParallelMath::MakeFloat(65535.0f)), ru); + return ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(expandedElem, 16 - precision)); +} + +void cvtt::Internal::BC6HComputer::UnquantizeSingleEndpointElementSigned(const MSInt16 &comp, int precision, MSInt16 &outUnquantized, MSInt16 &outUnquantizedFinished2CL) +{ + MSInt16 zero = ParallelMath::MakeSInt16(0); + + ParallelMath::Int16CompFlag negative = ParallelMath::Less(comp, zero); + MUInt15 absComp = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Select(negative, MSInt16(zero - comp), comp)); + + MSInt16 unq; + MUInt15 absUnq; + + if (precision >= 16) + { + unq = comp; + absUnq = absComp; + } + else + { + MSInt16 maxCompMinusOne = ParallelMath::MakeSInt16(static_cast<int16_t>((1 << (precision - 1)) - 2)); + ParallelMath::Int16CompFlag isZero = ParallelMath::Equal(comp, zero); + ParallelMath::Int16CompFlag isMax = ParallelMath::Less(maxCompMinusOne, comp); + + absUnq = (absComp << (16 - precision)) + ParallelMath::MakeUInt15(static_cast<uint16_t>(0x4000 >> (precision - 1))); + ParallelMath::ConditionalSet(absUnq, isZero, ParallelMath::MakeUInt15(0)); + ParallelMath::ConditionalSet(absUnq, isMax, ParallelMath::MakeUInt15(0x7fff)); + + unq = ParallelMath::ConditionalNegate(negative, ParallelMath::LosslessCast<MSInt16>::Cast(absUnq)); + } + + outUnquantized = unq; + + MUInt15 funq = ParallelMath::ToUInt15(ParallelMath::RightShift(ParallelMath::XMultiply(absUnq, ParallelMath::MakeUInt15(31)), 5)); + + outUnquantizedFinished2CL = ParallelMath::ConditionalNegate(negative, ParallelMath::LosslessCast<MSInt16>::Cast(funq)); +} + +void cvtt::Internal::BC6HComputer::UnquantizeSingleEndpointElementUnsigned(const MUInt15 &comp, int precision, MUInt16 &outUnquantized, MUInt16 &outUnquantizedFinished) +{ + MUInt16 unq = ParallelMath::LosslessCast<MUInt16>::Cast(comp); + if (precision < 15) + { + MUInt15 zero = ParallelMath::MakeUInt15(0); + MUInt15 maxCompMinusOne = ParallelMath::MakeUInt15(static_cast<uint16_t>((1 << precision) - 2)); + + ParallelMath::Int16CompFlag isZero = ParallelMath::Equal(comp, zero); + ParallelMath::Int16CompFlag isMax = ParallelMath::Less(maxCompMinusOne, comp); + + unq = (ParallelMath::LosslessCast<MUInt16>::Cast(comp) << (16 - precision)) + ParallelMath::MakeUInt16(static_cast<uint16_t>(0x8000 >> precision)); + + ParallelMath::ConditionalSet(unq, isZero, ParallelMath::MakeUInt16(0)); + ParallelMath::ConditionalSet(unq, isMax, ParallelMath::MakeUInt16(0xffff)); + } + + outUnquantized = unq; + outUnquantizedFinished = ParallelMath::ToUInt16(ParallelMath::RightShift(ParallelMath::XMultiply(unq, ParallelMath::MakeUInt15(31)), 6)); +} + +void cvtt::Internal::BC6HComputer::QuantizeEndpointsSigned(const MSInt16 endPoints[2][3], const MFloat floatPixelsColorSpace[16][3], const MFloat floatPixelsLinearWeighted[16][3], MAInt16 quantizedEndPoints[2][3], MUInt15 indexes[16], IndexSelectorHDR<3> &indexSelector, int fixupIndex, int precision, int indexRange, const float *channelWeights, bool fastIndexing, const ParallelMath::RoundTowardNearestForScope *rtn) +{ + MSInt16 unquantizedEP[2][3]; + MSInt16 finishedUnquantizedEP[2][3]; + + { + ParallelMath::RoundUpForScope ru; + + for (int epi = 0; epi < 2; epi++) + { + for (int ch = 0; ch < 3; ch++) + { + MSInt16 qee = QuantizeSingleEndpointElementSigned(endPoints[epi][ch], precision, &ru); + UnquantizeSingleEndpointElementSigned(qee, precision, unquantizedEP[epi][ch], finishedUnquantizedEP[epi][ch]); + quantizedEndPoints[epi][ch] = ParallelMath::LosslessCast<MAInt16>::Cast(qee); + } + } + } + + indexSelector.Init(channelWeights, unquantizedEP, finishedUnquantizedEP, indexRange); + indexSelector.InitHDR(indexRange, true, fastIndexing, channelWeights); + + MUInt15 halfRangeMinusOne = ParallelMath::MakeUInt15(static_cast<uint16_t>(indexRange / 2) - 1); + + MUInt15 index = fastIndexing ? indexSelector.SelectIndexHDRFast(floatPixelsColorSpace[fixupIndex], rtn) : indexSelector.SelectIndexHDRSlow(floatPixelsLinearWeighted[fixupIndex], rtn); + + ParallelMath::Int16CompFlag invert = ParallelMath::Less(halfRangeMinusOne, index); + + if (ParallelMath::AnySet(invert)) + { + ParallelMath::ConditionalSet(index, invert, MUInt15(ParallelMath::MakeUInt15(static_cast<uint16_t>(indexRange - 1)) - index)); + + indexSelector.ConditionalInvert(invert); + + for (int ch = 0; ch < 3; ch++) + { + MAInt16 firstEP = quantizedEndPoints[0][ch]; + MAInt16 secondEP = quantizedEndPoints[1][ch]; + + quantizedEndPoints[0][ch] = ParallelMath::Select(invert, secondEP, firstEP); + quantizedEndPoints[1][ch] = ParallelMath::Select(invert, firstEP, secondEP); + } + } + + indexes[fixupIndex] = index; +} + +void cvtt::Internal::BC6HComputer::QuantizeEndpointsUnsigned(const MSInt16 endPoints[2][3], const MFloat floatPixelsColorSpace[16][3], const MFloat floatPixelsLinearWeighted[16][3], MAInt16 quantizedEndPoints[2][3], MUInt15 indexes[16], IndexSelectorHDR<3> &indexSelector, int fixupIndex, int precision, int indexRange, const float *channelWeights, bool fastIndexing, const ParallelMath::RoundTowardNearestForScope *rtn) +{ + MUInt16 unquantizedEP[2][3]; + MUInt16 finishedUnquantizedEP[2][3]; + + { + ParallelMath::RoundUpForScope ru; + + for (int epi = 0; epi < 2; epi++) + { + for (int ch = 0; ch < 3; ch++) + { + MUInt15 qee = QuantizeSingleEndpointElementUnsigned(ParallelMath::LosslessCast<MUInt15>::Cast(endPoints[epi][ch]), precision, &ru); + UnquantizeSingleEndpointElementUnsigned(qee, precision, unquantizedEP[epi][ch], finishedUnquantizedEP[epi][ch]); + quantizedEndPoints[epi][ch] = ParallelMath::LosslessCast<MAInt16>::Cast(qee); + } + } + } + + indexSelector.Init(channelWeights, unquantizedEP, finishedUnquantizedEP, indexRange); + indexSelector.InitHDR(indexRange, false, fastIndexing, channelWeights); + + MUInt15 halfRangeMinusOne = ParallelMath::MakeUInt15(static_cast<uint16_t>(indexRange / 2) - 1); + + MUInt15 index = fastIndexing ? indexSelector.SelectIndexHDRFast(floatPixelsColorSpace[fixupIndex], rtn) : indexSelector.SelectIndexHDRSlow(floatPixelsLinearWeighted[fixupIndex], rtn); + + ParallelMath::Int16CompFlag invert = ParallelMath::Less(halfRangeMinusOne, index); + + if (ParallelMath::AnySet(invert)) + { + ParallelMath::ConditionalSet(index, invert, MUInt15(ParallelMath::MakeUInt15(static_cast<uint16_t>(indexRange - 1)) - index)); + + indexSelector.ConditionalInvert(invert); + + for (int ch = 0; ch < 3; ch++) + { + MAInt16 firstEP = quantizedEndPoints[0][ch]; + MAInt16 secondEP = quantizedEndPoints[1][ch]; + + quantizedEndPoints[0][ch] = ParallelMath::Select(invert, secondEP, firstEP); + quantizedEndPoints[1][ch] = ParallelMath::Select(invert, firstEP, secondEP); + } + } + + indexes[fixupIndex] = index; +} + +void cvtt::Internal::BC6HComputer::EvaluatePartitionedLegality(const MAInt16 ep0[2][3], const MAInt16 ep1[2][3], int aPrec, const int bPrec[3], bool isTransformed, MAInt16 outEncodedEPs[2][2][3], ParallelMath::Int16CompFlag& outIsLegal) +{ + ParallelMath::Int16CompFlag allLegal = ParallelMath::MakeBoolInt16(true); + + MAInt16 aSignificantMask = ParallelMath::MakeAInt16(static_cast<int16_t>((1 << aPrec) - 1)); + + for (int ch = 0; ch < 3; ch++) + { + outEncodedEPs[0][0][ch] = ep0[0][ch]; + outEncodedEPs[0][1][ch] = ep0[1][ch]; + outEncodedEPs[1][0][ch] = ep1[0][ch]; + outEncodedEPs[1][1][ch] = ep1[1][ch]; + + if (isTransformed) + { + for (int subset = 0; subset < 2; subset++) + { + for (int epi = 0; epi < 2; epi++) + { + if (epi == 0 && subset == 0) + continue; + + MAInt16 bReduced = (outEncodedEPs[subset][epi][ch] & aSignificantMask); + + MSInt16 delta = ParallelMath::TruncateToPrecisionSigned(ParallelMath::LosslessCast<MSInt16>::Cast(ParallelMath::AbstractSubtract(outEncodedEPs[subset][epi][ch], outEncodedEPs[0][0][ch])), bPrec[ch]); + + outEncodedEPs[subset][epi][ch] = ParallelMath::LosslessCast<MAInt16>::Cast(delta); + + MAInt16 reconstructed = (ParallelMath::AbstractAdd(outEncodedEPs[subset][epi][ch], outEncodedEPs[0][0][ch]) & aSignificantMask); + allLegal = allLegal & ParallelMath::Equal(reconstructed, bReduced); + } + } + } + + if (!ParallelMath::AnySet(allLegal)) + break; + } + + outIsLegal = allLegal; +} + +void cvtt::Internal::BC6HComputer::EvaluateSingleLegality(const MAInt16 ep[2][3], int aPrec, const int bPrec[3], bool isTransformed, MAInt16 outEncodedEPs[2][3], ParallelMath::Int16CompFlag& outIsLegal) +{ + ParallelMath::Int16CompFlag allLegal = ParallelMath::MakeBoolInt16(true); + + MAInt16 aSignificantMask = ParallelMath::MakeAInt16(static_cast<int16_t>((1 << aPrec) - 1)); + + for (int ch = 0; ch < 3; ch++) + { + outEncodedEPs[0][ch] = ep[0][ch]; + outEncodedEPs[1][ch] = ep[1][ch]; + + if (isTransformed) + { + MAInt16 bReduced = (outEncodedEPs[1][ch] & aSignificantMask); + + MSInt16 delta = ParallelMath::TruncateToPrecisionSigned(ParallelMath::LosslessCast<MSInt16>::Cast(ParallelMath::AbstractSubtract(outEncodedEPs[1][ch], outEncodedEPs[0][ch])), bPrec[ch]); + + outEncodedEPs[1][ch] = ParallelMath::LosslessCast<MAInt16>::Cast(delta); + + MAInt16 reconstructed = (ParallelMath::AbstractAdd(outEncodedEPs[1][ch], outEncodedEPs[0][ch]) & aSignificantMask); + allLegal = allLegal & ParallelMath::Equal(reconstructed, bReduced); + } + } + + outIsLegal = allLegal; +} + +void cvtt::Internal::BC6HComputer::Pack(uint32_t flags, const PixelBlockF16* inputs, uint8_t* packedBlocks, const float channelWeights[4], bool isSigned, int numTweakRounds, int numRefineRounds) +{ + if (numTweakRounds < 1) + numTweakRounds = 1; + else if (numTweakRounds > MaxTweakRounds) + numTweakRounds = MaxTweakRounds; + + if (numRefineRounds < 1) + numRefineRounds = 1; + else if (numRefineRounds > MaxRefineRounds) + numRefineRounds = MaxRefineRounds; + + bool fastIndexing = ((flags & cvtt::Flags::BC6H_FastIndexing) != 0); + float channelWeightsSq[3]; + + ParallelMath::RoundTowardNearestForScope rtn; + + MSInt16 pixels[16][3]; + MFloat floatPixels2CL[16][3]; + MFloat floatPixelsLinearWeighted[16][3]; + + MSInt16 low15Bits = ParallelMath::MakeSInt16(32767); + + for (int ch = 0; ch < 3; ch++) + channelWeightsSq[ch] = channelWeights[ch] * channelWeights[ch]; + + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 3; ch++) + { + MSInt16 pixelValue; + ParallelMath::ConvertHDRInputs(inputs, px, ch, pixelValue); + + // Convert from sign+magnitude to 2CL + if (isSigned) + { + ParallelMath::Int16CompFlag negative = ParallelMath::Less(pixelValue, ParallelMath::MakeSInt16(0)); + MSInt16 magnitude = (pixelValue & low15Bits); + ParallelMath::ConditionalSet(pixelValue, negative, ParallelMath::MakeSInt16(0) - magnitude); + pixelValue = ParallelMath::Max(pixelValue, ParallelMath::MakeSInt16(-31743)); + } + else + pixelValue = ParallelMath::Max(pixelValue, ParallelMath::MakeSInt16(0)); + + pixelValue = ParallelMath::Min(pixelValue, ParallelMath::MakeSInt16(31743)); + + pixels[px][ch] = pixelValue; + floatPixels2CL[px][ch] = ParallelMath::ToFloat(pixelValue); + floatPixelsLinearWeighted[px][ch] = ParallelMath::TwosCLHalfToFloat(pixelValue) * channelWeights[ch]; + } + } + + MFloat preWeightedPixels[16][3]; + + BCCommon::PreWeightPixelsHDR<3>(preWeightedPixels, pixels, channelWeights); + + MAInt16 bestEndPoints[2][2][3]; + MUInt15 bestIndexes[16]; + MFloat bestError = ParallelMath::MakeFloat(FLT_MAX); + MUInt15 bestMode = ParallelMath::MakeUInt15(0); + MUInt15 bestPartition = ParallelMath::MakeUInt15(0); + + for (int px = 0; px < 16; px++) + bestIndexes[px] = ParallelMath::MakeUInt15(0); + + for (int subset = 0; subset < 2; subset++) + for (int epi = 0; epi < 2; epi++) + for (int ch = 0; ch < 3; ch++) + bestEndPoints[subset][epi][ch] = ParallelMath::MakeAInt16(0); + + UnfinishedEndpoints<3> partitionedUFEP[32][2]; + UnfinishedEndpoints<3> singleUFEP; + + // Generate UFEP for partitions + for (int p = 0; p < 32; p++) + { + int partitionMask = BC7Data::g_partitionMap[p]; + + EndpointSelector<3, 8> epSelectors[2]; + + for (int pass = 0; pass < NumEndpointSelectorPasses; pass++) + { + for (int px = 0; px < 16; px++) + { + int subset = (partitionMask >> px) & 1; + epSelectors[subset].ContributePass(preWeightedPixels[px], pass, ParallelMath::MakeFloat(1.0f)); + } + + for (int subset = 0; subset < 2; subset++) + epSelectors[subset].FinishPass(pass); + } + + for (int subset = 0; subset < 2; subset++) + partitionedUFEP[p][subset] = epSelectors[subset].GetEndpoints(channelWeights); + } + + // Generate UFEP for single + { + EndpointSelector<3, 8> epSelector; + + for (int pass = 0; pass < NumEndpointSelectorPasses; pass++) + { + for (int px = 0; px < 16; px++) + epSelector.ContributePass(preWeightedPixels[px], pass, ParallelMath::MakeFloat(1.0f)); + + epSelector.FinishPass(pass); + } + + singleUFEP = epSelector.GetEndpoints(channelWeights); + } + + for (int partitionedInt = 0; partitionedInt < 2; partitionedInt++) + { + bool partitioned = (partitionedInt == 1); + + for (int aPrec = BC7Data::g_maxHDRPrecision; aPrec >= 0; aPrec--) + { + if (!BC7Data::g_hdrModesExistForPrecision[partitionedInt][aPrec]) + continue; + + int numPartitions = partitioned ? 32 : 1; + int numSubsets = partitioned ? 2 : 1; + int indexBits = partitioned ? 3 : 4; + int indexRange = (1 << indexBits); + + for (int p = 0; p < numPartitions; p++) + { + int partitionMask = partitioned ? BC7Data::g_partitionMap[p] : 0; + + const int MaxMetaRounds = MaxTweakRounds * MaxRefineRounds; + + MAInt16 metaEndPointsQuantized[MaxMetaRounds][2][2][3]; + MUInt15 metaIndexes[MaxMetaRounds][16]; + MFloat metaError[MaxMetaRounds][2]; + + bool roundValid[MaxMetaRounds][2]; + + for (int r = 0; r < MaxMetaRounds; r++) + for (int subset = 0; subset < 2; subset++) + roundValid[r][subset] = true; + + for (int subset = 0; subset < numSubsets; subset++) + { + for (int tweak = 0; tweak < MaxTweakRounds; tweak++) + { + EndpointRefiner<3> refiners[2]; + + bool abortRemainingRefines = false; + for (int refinePass = 0; refinePass < MaxRefineRounds; refinePass++) + { + int metaRound = tweak * MaxRefineRounds + refinePass; + + if (tweak >= numTweakRounds || refinePass >= numRefineRounds) + abortRemainingRefines = true; + + if (abortRemainingRefines) + { + roundValid[metaRound][subset] = false; + continue; + } + + MAInt16(&mrQuantizedEndPoints)[2][2][3] = metaEndPointsQuantized[metaRound]; + MUInt15(&mrIndexes)[16] = metaIndexes[metaRound]; + + MSInt16 endPointsColorSpace[2][3]; + + if (refinePass == 0) + { + UnfinishedEndpoints<3> ufep = partitioned ? partitionedUFEP[p][subset] : singleUFEP; + + if (isSigned) + ufep.FinishHDRSigned(tweak, indexRange, endPointsColorSpace[0], endPointsColorSpace[1], &rtn); + else + ufep.FinishHDRUnsigned(tweak, indexRange, endPointsColorSpace[0], endPointsColorSpace[1], &rtn); + } + else + refiners[subset].GetRefinedEndpointsHDR(endPointsColorSpace, isSigned, &rtn); + + refiners[subset].Init(indexRange, channelWeights); + + int fixupIndex = (subset == 0) ? 0 : BC7Data::g_fixupIndexes2[p]; + + IndexSelectorHDR<3> indexSelector; + if (isSigned) + QuantizeEndpointsSigned(endPointsColorSpace, floatPixels2CL, floatPixelsLinearWeighted, mrQuantizedEndPoints[subset], mrIndexes, indexSelector, fixupIndex, aPrec, indexRange, channelWeights, fastIndexing, &rtn); + else + QuantizeEndpointsUnsigned(endPointsColorSpace, floatPixels2CL, floatPixelsLinearWeighted, mrQuantizedEndPoints[subset], mrIndexes, indexSelector, fixupIndex, aPrec, indexRange, channelWeights, fastIndexing, &rtn); + + if (metaRound > 0) + { + ParallelMath::Int16CompFlag anySame = ParallelMath::MakeBoolInt16(false); + + for (int prevRound = 0; prevRound < metaRound; prevRound++) + { + MAInt16(&prevRoundEPs)[2][3] = metaEndPointsQuantized[prevRound][subset]; + + ParallelMath::Int16CompFlag same = ParallelMath::MakeBoolInt16(true); + + for (int epi = 0; epi < 2; epi++) + for (int ch = 0; ch < 3; ch++) + same = (same & ParallelMath::Equal(prevRoundEPs[epi][ch], mrQuantizedEndPoints[subset][epi][ch])); + + anySame = (anySame | same); + if (ParallelMath::AllSet(anySame)) + break; + } + + if (ParallelMath::AllSet(anySame)) + { + roundValid[metaRound][subset] = false; + continue; + } + } + + MFloat subsetError = ParallelMath::MakeFloatZero(); + + { + for (int px = 0; px < 16; px++) + { + if (subset != ((partitionMask >> px) & 1)) + continue; + + MUInt15 index; + if (px == fixupIndex) + index = mrIndexes[px]; + else + { + index = fastIndexing ? indexSelector.SelectIndexHDRFast(floatPixels2CL[px], &rtn) : indexSelector.SelectIndexHDRSlow(floatPixelsLinearWeighted[px], &rtn); + mrIndexes[px] = index; + } + + MSInt16 reconstructed[3]; + if (isSigned) + indexSelector.ReconstructHDRSigned(mrIndexes[px], reconstructed); + else + indexSelector.ReconstructHDRUnsigned(mrIndexes[px], reconstructed); + + subsetError = subsetError + (fastIndexing ? BCCommon::ComputeErrorHDRFast<3>(flags, reconstructed, pixels[px], channelWeightsSq) : BCCommon::ComputeErrorHDRSlow<3>(flags, reconstructed, pixels[px], channelWeightsSq)); + + if (refinePass != numRefineRounds - 1) + refiners[subset].ContributeUnweightedPW(preWeightedPixels[px], index); + } + } + + metaError[metaRound][subset] = subsetError; + } + } + } + + // Now we have a bunch of attempts, but not all of them will fit in the delta coding scheme + int numMeta1 = partitioned ? MaxMetaRounds : 1; + for (int meta0 = 0; meta0 < MaxMetaRounds; meta0++) + { + if (!roundValid[meta0][0]) + continue; + + for (int meta1 = 0; meta1 < numMeta1; meta1++) + { + MFloat combinedError = metaError[meta0][0]; + if (partitioned) + { + if (!roundValid[meta1][1]) + continue; + + combinedError = combinedError + metaError[meta1][1]; + } + + ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(combinedError, bestError); + if (!ParallelMath::AnySet(errorBetter)) + continue; + + ParallelMath::Int16CompFlag needsCommit = ParallelMath::FloatFlagToInt16(errorBetter); + + // Figure out if this is encodable + for (int mode = 0; mode < BC7Data::g_numHDRModes; mode++) + { + const BC7Data::BC6HModeInfo &modeInfo = BC7Data::g_hdrModes[mode]; + + if (modeInfo.m_partitioned != partitioned || modeInfo.m_aPrec != aPrec) + continue; + + MAInt16 encodedEPs[2][2][3]; + ParallelMath::Int16CompFlag isLegal; + if (partitioned) + EvaluatePartitionedLegality(metaEndPointsQuantized[meta0][0], metaEndPointsQuantized[meta1][1], modeInfo.m_aPrec, modeInfo.m_bPrec, modeInfo.m_transformed, encodedEPs, isLegal); + else + EvaluateSingleLegality(metaEndPointsQuantized[meta0][0], modeInfo.m_aPrec, modeInfo.m_bPrec, modeInfo.m_transformed, encodedEPs[0], isLegal); + + ParallelMath::Int16CompFlag isLegalAndBetter = (ParallelMath::FloatFlagToInt16(errorBetter) & isLegal); + if (!ParallelMath::AnySet(isLegalAndBetter)) + continue; + + ParallelMath::FloatCompFlag isLegalAndBetterFloat = ParallelMath::Int16FlagToFloat(isLegalAndBetter); + + ParallelMath::ConditionalSet(bestError, isLegalAndBetterFloat, combinedError); + ParallelMath::ConditionalSet(bestMode, isLegalAndBetter, ParallelMath::MakeUInt15(static_cast<uint16_t>(mode))); + ParallelMath::ConditionalSet(bestPartition, isLegalAndBetter, ParallelMath::MakeUInt15(static_cast<uint16_t>(p))); + + for (int subset = 0; subset < numSubsets; subset++) + { + for (int epi = 0; epi < 2; epi++) + { + for (int ch = 0; ch < 3; ch++) + ParallelMath::ConditionalSet(bestEndPoints[subset][epi][ch], isLegalAndBetter, encodedEPs[subset][epi][ch]); + } + } + + for (int px = 0; px < 16; px++) + { + int subset = ((partitionMask >> px) & 1); + if (subset == 0) + ParallelMath::ConditionalSet(bestIndexes[px], isLegalAndBetter, metaIndexes[meta0][px]); + else + ParallelMath::ConditionalSet(bestIndexes[px], isLegalAndBetter, metaIndexes[meta1][px]); + } + + needsCommit = ParallelMath::AndNot(needsCommit, isLegalAndBetter); + if (!ParallelMath::AnySet(needsCommit)) + break; + } + } + } + } + } + } + + // At this point, everything should be set + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + ParallelMath::ScalarUInt16 mode = ParallelMath::Extract(bestMode, block); + ParallelMath::ScalarUInt16 partition = ParallelMath::Extract(bestPartition, block); + int32_t eps[2][2][3]; + ParallelMath::ScalarUInt16 indexes[16]; + + const BC7Data::BC6HModeInfo& modeInfo = BC7Data::g_hdrModes[mode]; + + BC6H_IO::WriteFunc_t writeFunc = BC6H_IO::g_writeFuncs[mode]; + + const int headerBits = modeInfo.m_partitioned ? 82 : 65; + + for (int subset = 0; subset < 2; subset++) + { + for (int epi = 0; epi < 2; epi++) + { + for (int ch = 0; ch < 3; ch++) + eps[subset][epi][ch] = ParallelMath::Extract(bestEndPoints[subset][epi][ch], block); + } + } + + for (int px = 0; px < 16; px++) + indexes[px] = ParallelMath::Extract(bestIndexes[px], block); + + uint16_t modeID = modeInfo.m_modeID; + + PackingVector pv; + + { + uint32_t header[3]; + writeFunc(header, modeID, partition, + eps[0][0][0], eps[0][1][0], eps[1][0][0], eps[1][1][0], + eps[0][0][1], eps[0][1][1], eps[1][0][1], eps[1][1][1], + eps[0][0][2], eps[0][1][2], eps[1][0][2], eps[1][1][2] + ); + + pv.InitPacked(header, headerBits); + } + + int fixupIndex1 = 0; + int indexBits = 4; + if (modeInfo.m_partitioned) + { + fixupIndex1 = BC7Data::g_fixupIndexes2[partition]; + indexBits = 3; + } + + for (int px = 0; px < 16; px++) + { + ParallelMath::ScalarUInt16 index = ParallelMath::Extract(bestIndexes[px], block); + if (px == 0 || px == fixupIndex1) + pv.Pack(index, indexBits - 1); + else + pv.Pack(index, indexBits); + } + + pv.Flush(packedBlocks + 16 * block); + } +} + +void cvtt::Internal::BC6HComputer::SignExtendSingle(int &v, int bits) +{ + if (v & (1 << (bits - 1))) + v |= -(1 << bits); +} + +void cvtt::Internal::BC6HComputer::UnpackOne(PixelBlockF16 &output, const uint8_t *pBC, bool isSigned) +{ + UnpackingVector pv; + pv.Init(pBC); + + int numModeBits = 2; + int modeBits = pv.Unpack(2); + if (modeBits != 0 && modeBits != 1) + { + modeBits |= pv.Unpack(3) << 2; + numModeBits += 3; + } + + int mode = -1; + for (int possibleMode = 0; possibleMode < BC7Data::g_numHDRModes; possibleMode++) + { + if (BC7Data::g_hdrModes[possibleMode].m_modeID == modeBits) + { + mode = possibleMode; + break; + } + } + + if (mode < 0) + { + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 3; ch++) + output.m_pixels[px][ch] = 0; + output.m_pixels[px][3] = 0x3c00; // 1.0 + } + return; + } + + const BC7Data::BC6HModeInfo& modeInfo = BC7Data::g_hdrModes[mode]; + const int headerBits = modeInfo.m_partitioned ? 82 : 65; + const BC6H_IO::ReadFunc_t readFunc = BC6H_IO::g_readFuncs[mode]; + + uint16_t partition = 0; + int32_t eps[2][2][3]; + + for (int subset = 0; subset < 2; subset++) + for (int epi = 0; epi < 2; epi++) + for (int ch = 0; ch < 3; ch++) + eps[subset][epi][ch] = 0; + + { + uint32_t header[3]; + uint16_t codedEPs[2][2][3]; + pv.UnpackStart(header, headerBits); + + readFunc(header, partition, + codedEPs[0][0][0], codedEPs[0][1][0], codedEPs[1][0][0], codedEPs[1][1][0], + codedEPs[0][0][1], codedEPs[0][1][1], codedEPs[1][0][1], codedEPs[1][1][1], + codedEPs[0][0][2], codedEPs[0][1][2], codedEPs[1][0][2], codedEPs[1][1][2] + ); + + for (int subset = 0; subset < 2; subset++) + for (int epi = 0; epi < 2; epi++) + for (int ch = 0; ch < 3; ch++) + eps[subset][epi][ch] = codedEPs[subset][epi][ch]; + } + + uint16_t modeID = modeInfo.m_modeID; + + int fixupIndex1 = 0; + int indexBits = 4; + int numSubsets = 1; + if (modeInfo.m_partitioned) + { + fixupIndex1 = BC7Data::g_fixupIndexes2[partition]; + indexBits = 3; + numSubsets = 2; + } + + int indexes[16]; + for (int px = 0; px < 16; px++) + { + if (px == 0 || px == fixupIndex1) + indexes[px] = pv.Unpack(indexBits - 1); + else + indexes[px] = pv.Unpack(indexBits); + } + + if (modeInfo.m_partitioned) + { + for (int ch = 0; ch < 3; ch++) + { + if (isSigned) + SignExtendSingle(eps[0][0][ch], modeInfo.m_aPrec); + if (modeInfo.m_transformed || isSigned) + { + SignExtendSingle(eps[0][1][ch], modeInfo.m_bPrec[ch]); + SignExtendSingle(eps[1][0][ch], modeInfo.m_bPrec[ch]); + SignExtendSingle(eps[1][1][ch], modeInfo.m_bPrec[ch]); + } + } + } + else + { + for (int ch = 0; ch < 3; ch++) + { + if (isSigned) + SignExtendSingle(eps[0][0][ch], modeInfo.m_aPrec); + if (modeInfo.m_transformed || isSigned) + SignExtendSingle(eps[0][1][ch], modeInfo.m_bPrec[ch]); + } + } + + int aPrec = modeInfo.m_aPrec; + + if (modeInfo.m_transformed) + { + for (int ch = 0; ch < 3; ch++) + { + int wrapMask = (1 << aPrec) - 1; + + eps[0][1][ch] = ((eps[0][0][ch] + eps[0][1][ch]) & wrapMask); + if (isSigned) + SignExtendSingle(eps[0][1][ch], aPrec); + + if (modeInfo.m_partitioned) + { + eps[1][0][ch] = ((eps[0][0][ch] + eps[1][0][ch]) & wrapMask); + eps[1][1][ch] = ((eps[0][0][ch] + eps[1][1][ch]) & wrapMask); + + if (isSigned) + { + SignExtendSingle(eps[1][0][ch], aPrec); + SignExtendSingle(eps[1][1][ch], aPrec); + } + } + } + } + + // Unquantize endpoints + for (int subset = 0; subset < numSubsets; subset++) + { + for (int epi = 0; epi < 2; epi++) + { + for (int ch = 0; ch < 3; ch++) + { + int &v = eps[subset][epi][ch]; + + if (isSigned) + { + if (aPrec >= 16) + { + // Nothing + } + else + { + bool s = false; + int comp = v; + if (v < 0) + { + s = true; + comp = -comp; + } + + int unq = 0; + if (comp == 0) + unq = 0; + else if (comp >= ((1 << (aPrec - 1)) - 1)) + unq = 0x7fff; + else + unq = ((comp << 15) + 0x4000) >> (aPrec - 1); + + if (s) + unq = -unq; + + v = unq; + } + } + else + { + if (aPrec >= 15) + { + // Nothing + } + else if (v == 0) + { + // Nothing + } + else if (v == ((1 << aPrec) - 1)) + v = 0xffff; + else + v = ((v << 16) + 0x8000) >> aPrec; + } + } + } + } + + const int *weights = BC7Data::g_weightTables[indexBits]; + + for (int px = 0; px < 16; px++) + { + int subset = 0; + if (modeInfo.m_partitioned) + subset = (BC7Data::g_partitionMap[partition] >> px) & 1; + + int w = weights[indexes[px]]; + for (int ch = 0; ch < 3; ch++) + { + int comp = ((64 - w) * eps[subset][0][ch] + w * eps[subset][1][ch] + 32) >> 6; + + if (isSigned) + { + if (comp < 0) + comp = -(((-comp) * 31) >> 5); + else + comp = (comp * 31) >> 5; + + int s = 0; + if (comp < 0) + { + s = 0x8000; + comp = -comp; + } + + output.m_pixels[px][ch] = static_cast<uint16_t>(s | comp); + } + else + { + comp = (comp * 31) >> 6; + output.m_pixels[px][ch] = static_cast<uint16_t>(comp); + } + } + output.m_pixels[px][3] = 0x3c00; // 1.0 + } +} + +void cvtt::Kernels::ConfigureBC7EncodingPlanFromQuality(BC7EncodingPlan &encodingPlan, int quality) +{ + static const int kMaxQuality = 100; + + if (quality < 1) + quality = 1; + else if (quality > kMaxQuality) + quality = kMaxQuality; + + const int numRGBModes = cvtt::Tables::BC7Prio::g_bc7NumPrioCodesRGB * quality / kMaxQuality; + const int numRGBAModes = cvtt::Tables::BC7Prio::g_bc7NumPrioCodesRGBA * quality / kMaxQuality; + + const uint16_t *prioLists[] = { cvtt::Tables::BC7Prio::g_bc7PrioCodesRGB, cvtt::Tables::BC7Prio::g_bc7PrioCodesRGBA }; + const int prioListSizes[] = { numRGBModes, numRGBAModes }; + + BC7FineTuningParams ftParams; + memset(&ftParams, 0, sizeof(ftParams)); + + for (int listIndex = 0; listIndex < 2; listIndex++) + { + int prioListSize = prioListSizes[listIndex]; + const uint16_t *prioList = prioLists[listIndex]; + + for (int prioIndex = 0; prioIndex < prioListSize; prioIndex++) + { + const uint16_t packedMode = prioList[prioIndex]; + + uint8_t seedPoints = static_cast<uint8_t>(cvtt::Tables::BC7Prio::UnpackSeedPointCount(packedMode)); + int mode = cvtt::Tables::BC7Prio::UnpackMode(packedMode); + + switch (mode) + { + case 0: + ftParams.mode0SP[cvtt::Tables::BC7Prio::UnpackPartition(packedMode)] = seedPoints; + break; + case 1: + ftParams.mode1SP[cvtt::Tables::BC7Prio::UnpackPartition(packedMode)] = seedPoints; + break; + case 2: + ftParams.mode2SP[cvtt::Tables::BC7Prio::UnpackPartition(packedMode)] = seedPoints; + break; + case 3: + ftParams.mode3SP[cvtt::Tables::BC7Prio::UnpackPartition(packedMode)] = seedPoints; + break; + case 4: + ftParams.mode4SP[cvtt::Tables::BC7Prio::UnpackRotation(packedMode)][cvtt::Tables::BC7Prio::UnpackIndexSelector(packedMode)] = seedPoints; + break; + case 5: + ftParams.mode5SP[cvtt::Tables::BC7Prio::UnpackRotation(packedMode)] = seedPoints; + break; + case 6: + ftParams.mode6SP = seedPoints; + break; + case 7: + ftParams.mode7SP[cvtt::Tables::BC7Prio::UnpackPartition(packedMode)] = seedPoints; + break; + } + } + } + + ConfigureBC7EncodingPlanFromFineTuningParams(encodingPlan, ftParams); +} + +// Generates a BC7 encoding plan from fine-tuning parameters. +bool cvtt::Kernels::ConfigureBC7EncodingPlanFromFineTuningParams(BC7EncodingPlan &encodingPlan, const BC7FineTuningParams ¶ms) +{ + memset(&encodingPlan, 0, sizeof(encodingPlan)); + + // Mode 0 + for (int partition = 0; partition < 16; partition++) + { + uint8_t sp = params.mode0SP[partition]; + if (sp == 0) + continue; + + encodingPlan.mode0PartitionEnabled |= static_cast<uint16_t>(1) << partition; + + for (int subset = 0; subset < 3; subset++) + { + int shape = cvtt::Internal::BC7Data::g_shapes3[partition][subset]; + encodingPlan.seedPointsForShapeRGB[shape] = std::max(encodingPlan.seedPointsForShapeRGB[shape], sp); + } + } + + // Mode 1 + for (int partition = 0; partition < 64; partition++) + { + uint8_t sp = params.mode1SP[partition]; + if (sp == 0) + continue; + + encodingPlan.mode1PartitionEnabled |= static_cast<uint64_t>(1) << partition; + + for (int subset = 0; subset < 2; subset++) + { + int shape = cvtt::Internal::BC7Data::g_shapes2[partition][subset]; + encodingPlan.seedPointsForShapeRGB[shape] = std::max(encodingPlan.seedPointsForShapeRGB[shape], sp); + } + } + + // Mode 2 + for (int partition = 0; partition < 64; partition++) + { + uint8_t sp = params.mode2SP[partition]; + if (sp == 0) + continue; + + encodingPlan.mode2PartitionEnabled |= static_cast<uint64_t>(1) << partition; + + for (int subset = 0; subset < 3; subset++) + { + int shape = cvtt::Internal::BC7Data::g_shapes3[partition][subset]; + encodingPlan.seedPointsForShapeRGB[shape] = std::max(encodingPlan.seedPointsForShapeRGB[shape], sp); + } + } + + // Mode 3 + for (int partition = 0; partition < 64; partition++) + { + uint8_t sp = params.mode3SP[partition]; + if (sp == 0) + continue; + + encodingPlan.mode3PartitionEnabled |= static_cast<uint64_t>(1) << partition; + + for (int subset = 0; subset < 2; subset++) + { + int shape = cvtt::Internal::BC7Data::g_shapes2[partition][subset]; + encodingPlan.seedPointsForShapeRGB[shape] = std::max(encodingPlan.seedPointsForShapeRGB[shape], sp); + } + } + + // Mode 4 + for (int rotation = 0; rotation < 4; rotation++) + { + for (int indexMode = 0; indexMode < 2; indexMode++) + encodingPlan.mode4SP[rotation][indexMode] = params.mode4SP[rotation][indexMode]; + } + + // Mode 5 + for (int rotation = 0; rotation < 4; rotation++) + encodingPlan.mode5SP[rotation] = params.mode5SP[rotation]; + + // Mode 6 + { + uint8_t sp = params.mode6SP; + if (sp != 0) + { + encodingPlan.mode6Enabled = true; + + int shape = cvtt::Internal::BC7Data::g_shapes1[0][0]; + encodingPlan.seedPointsForShapeRGBA[shape] = std::max(encodingPlan.seedPointsForShapeRGBA[shape], sp); + } + } + + // Mode 7 + for (int partition = 0; partition < 64; partition++) + { + uint8_t sp = params.mode7SP[partition]; + if (sp == 0) + continue; + + encodingPlan.mode7RGBAPartitionEnabled |= static_cast<uint64_t>(1) << partition; + + for (int subset = 0; subset < 2; subset++) + { + int shape = cvtt::Internal::BC7Data::g_shapes2[partition][subset]; + encodingPlan.seedPointsForShapeRGBA[shape] = std::max(encodingPlan.seedPointsForShapeRGBA[shape], sp); + } + } + + for (int i = 0; i < BC7EncodingPlan::kNumRGBShapes; i++) + { + if (encodingPlan.seedPointsForShapeRGB[i] > 0) + { + encodingPlan.rgbShapeList[encodingPlan.rgbNumShapesToEvaluate] = i; + encodingPlan.rgbNumShapesToEvaluate++; + } + } + + for (int i = 0; i < BC7EncodingPlan::kNumRGBAShapes; i++) + { + if (encodingPlan.seedPointsForShapeRGBA[i] > 0) + { + encodingPlan.rgbaShapeList[encodingPlan.rgbaNumShapesToEvaluate] = i; + encodingPlan.rgbaNumShapesToEvaluate++; + } + } + + encodingPlan.mode7RGBPartitionEnabled = (encodingPlan.mode7RGBAPartitionEnabled & ~encodingPlan.mode3PartitionEnabled); + + return true; +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_BC67.h b/thirdparty/cvtt/ConvectionKernels_BC67.h new file mode 100644 index 0000000000..b929711187 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_BC67.h @@ -0,0 +1,99 @@ +#pragma once + +#include "ConvectionKernels_ParallelMath.h" + + +namespace cvtt +{ + namespace Tables + { + namespace BC7SC + { + struct Table; + } + } + + namespace Internal + { + namespace BC67 + { + struct WorkInfo; + } + + template<int TVectorSize> + class IndexSelectorHDR; + } + + struct PixelBlockU8; +} + +namespace cvtt +{ + namespace Internal + { + class BC7Computer + { + public: + static void Pack(uint32_t flags, const PixelBlockU8* inputs, uint8_t* packedBlocks, const float channelWeights[4], const BC7EncodingPlan &encodingPlan, int numRefineRounds); + static void UnpackOne(PixelBlockU8 &output, const uint8_t* packedBlock); + + private: + static const int MaxTweakRounds = 4; + + typedef ParallelMath::SInt16 MSInt16; + typedef ParallelMath::UInt15 MUInt15; + typedef ParallelMath::UInt16 MUInt16; + typedef ParallelMath::SInt32 MSInt32; + typedef ParallelMath::Float MFloat; + + static void TweakAlpha(const MUInt15 original[2], int tweak, int range, MUInt15 result[2]); + static void Quantize(MUInt15* color, int bits, int channels); + static void QuantizeP(MUInt15* color, int bits, uint16_t p, int channels); + static void Unquantize(MUInt15* color, int bits, int channels); + static void CompressEndpoints0(MUInt15 ep[2][4], uint16_t p[2]); + static void CompressEndpoints1(MUInt15 ep[2][4], uint16_t p); + static void CompressEndpoints2(MUInt15 ep[2][4]); + static void CompressEndpoints3(MUInt15 ep[2][4], uint16_t p[2]); + static void CompressEndpoints4(MUInt15 epRGB[2][3], MUInt15 epA[2]); + static void CompressEndpoints5(MUInt15 epRGB[2][3], MUInt15 epA[2]); + static void CompressEndpoints6(MUInt15 ep[2][4], uint16_t p[2]); + static void CompressEndpoints7(MUInt15 ep[2][4], uint16_t p[2]); + static void TrySingleColorRGBAMultiTable(uint32_t flags, const MUInt15 pixels[16][4], const MFloat average[4], int numRealChannels, const uint8_t *fragmentStart, int shapeLength, const MFloat &staticAlphaError, const ParallelMath::Int16CompFlag punchThroughInvalid[4], MFloat& shapeBestError, MUInt15 shapeBestEP[2][4], MUInt15 *fragmentBestIndexes, const float *channelWeightsSq, const cvtt::Tables::BC7SC::Table*const* tables, int numTables, const ParallelMath::RoundTowardNearestForScope *rtn); + static void TrySinglePlane(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const float channelWeights[4], const BC7EncodingPlan &encodingPlan, int numRefineRounds, BC67::WorkInfo& work, const ParallelMath::RoundTowardNearestForScope *rtn); + static void TryDualPlane(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const float channelWeights[4], const BC7EncodingPlan &encodingPlan, int numRefineRounds, BC67::WorkInfo& work, const ParallelMath::RoundTowardNearestForScope *rtn); + + template<class T> + static void Swap(T& a, T& b); + }; + + + class BC6HComputer + { + public: + static void Pack(uint32_t flags, const PixelBlockF16* inputs, uint8_t* packedBlocks, const float channelWeights[4], bool isSigned, int numTweakRounds, int numRefineRounds); + static void UnpackOne(PixelBlockF16 &output, const uint8_t *pBC, bool isSigned); + + private: + typedef ParallelMath::Float MFloat; + typedef ParallelMath::SInt16 MSInt16; + typedef ParallelMath::UInt16 MUInt16; + typedef ParallelMath::UInt15 MUInt15; + typedef ParallelMath::AInt16 MAInt16; + typedef ParallelMath::SInt32 MSInt32; + typedef ParallelMath::UInt31 MUInt31; + + static const int MaxTweakRounds = 4; + static const int MaxRefineRounds = 3; + + static MSInt16 QuantizeSingleEndpointElementSigned(const MSInt16 &elem2CL, int precision, const ParallelMath::RoundUpForScope* ru); + static MUInt15 QuantizeSingleEndpointElementUnsigned(const MUInt15 &elem, int precision, const ParallelMath::RoundUpForScope* ru); + static void UnquantizeSingleEndpointElementSigned(const MSInt16 &comp, int precision, MSInt16 &outUnquantized, MSInt16 &outUnquantizedFinished2CL); + static void UnquantizeSingleEndpointElementUnsigned(const MUInt15 &comp, int precision, MUInt16 &outUnquantized, MUInt16 &outUnquantizedFinished); + static void QuantizeEndpointsSigned(const MSInt16 endPoints[2][3], const MFloat floatPixelsColorSpace[16][3], const MFloat floatPixelsLinearWeighted[16][3], MAInt16 quantizedEndPoints[2][3], MUInt15 indexes[16], IndexSelectorHDR<3> &indexSelector, int fixupIndex, int precision, int indexRange, const float *channelWeights, bool fastIndexing, const ParallelMath::RoundTowardNearestForScope *rtn); + static void QuantizeEndpointsUnsigned(const MSInt16 endPoints[2][3], const MFloat floatPixelsColorSpace[16][3], const MFloat floatPixelsLinearWeighted[16][3], MAInt16 quantizedEndPoints[2][3], MUInt15 indexes[16], IndexSelectorHDR<3> &indexSelector, int fixupIndex, int precision, int indexRange, const float *channelWeights, bool fastIndexing, const ParallelMath::RoundTowardNearestForScope *rtn); + static void EvaluatePartitionedLegality(const MAInt16 ep0[2][3], const MAInt16 ep1[2][3], int aPrec, const int bPrec[3], bool isTransformed, MAInt16 outEncodedEPs[2][2][3], ParallelMath::Int16CompFlag& outIsLegal); + static void EvaluateSingleLegality(const MAInt16 ep[2][3], int aPrec, const int bPrec[3], bool isTransformed, MAInt16 outEncodedEPs[2][3], ParallelMath::Int16CompFlag& outIsLegal); + static void SignExtendSingle(int &v, int bits); + }; + } +} diff --git a/thirdparty/cvtt/ConvectionKernels_BC6H_IO.cpp b/thirdparty/cvtt/ConvectionKernels_BC6H_IO.cpp new file mode 100644 index 0000000000..753b6f9000 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_BC6H_IO.cpp @@ -0,0 +1,881 @@ +/* +Convection Texture Tools +Copyright (c) 2018-2019 Eric Lasota + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject +to the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +------------------------------------------------------------------------------------- + +Portions based on DirectX Texture Library (DirectXTex) + +Copyright (c) Microsoft Corporation. All rights reserved. +Licensed under the MIT License. + +http://go.microsoft.com/fwlink/?LinkId=248926 +*/ +#include "ConvectionKernels_Config.h" + +#if !defined(CVTT_SINGLE_FILE) || defined(CVTT_SINGLE_FILE_IMPL) + +#include "ConvectionKernels_BC6H_IO.h" + +namespace cvtt +{ + namespace BC6H_IO + { + void WriteMode0(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x3u) | ((gy >> 2) & 0x4u) | ((by >> 1) & 0x8u) | (bz & 0x10u) | ((rw << 5) & 0x7fe0u) | ((gw << 15) & 0x1ff8000u) | ((bw << 25) & 0xfe000000u); + encoded[1] = ((bw >> 7) & 0x7u) | ((rx << 3) & 0xf8u) | ((gz << 4) & 0x100u) | ((gy << 9) & 0x1e00u) | ((gx << 13) & 0x3e000u) | ((bz << 18) & 0x40000u) | ((gz << 19) & 0x780000u) | ((bx << 23) & 0xf800000u) | ((bz << 27) & 0x10000000u) | ((by << 29) & 0xe0000000u); + encoded[2] = ((by >> 3) & 0x1u) | ((ry << 1) & 0x3eu) | ((bz << 4) & 0x40u) | ((rz << 7) & 0xf80u) | ((bz << 9) & 0x1000u) | ((d << 13) & 0x3e000u); + } + + void WriteMode1(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x3u) | ((gy >> 3) & 0x4u) | ((gz >> 1) & 0x18u) | ((rw << 5) & 0xfe0u) | ((bz << 12) & 0x3000u) | ((by << 10) & 0x4000u) | ((gw << 15) & 0x3f8000u) | ((by << 17) & 0x400000u) | ((bz << 21) & 0x800000u) | ((gy << 20) & 0x1000000u) | ((bw << 25) & 0xfe000000u); + encoded[1] = ((bz >> 3) & 0x1u) | ((bz >> 4) & 0x2u) | ((bz >> 2) & 0x4u) | ((rx << 3) & 0x1f8u) | ((gy << 9) & 0x1e00u) | ((gx << 13) & 0x7e000u) | ((gz << 19) & 0x780000u) | ((bx << 23) & 0x1f800000u) | ((by << 29) & 0xe0000000u); + encoded[2] = ((by >> 3) & 0x1u) | ((ry << 1) & 0x7eu) | ((rz << 7) & 0x1f80u) | ((d << 13) & 0x3e000u); + } + + void WriteMode2(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x1fu) | ((rw << 5) & 0x7fe0u) | ((gw << 15) & 0x1ff8000u) | ((bw << 25) & 0xfe000000u); + encoded[1] = ((bw >> 7) & 0x7u) | ((rx << 3) & 0xf8u) | ((rw >> 2) & 0x100u) | ((gy << 9) & 0x1e00u) | ((gx << 13) & 0x1e000u) | ((gw << 7) & 0x20000u) | ((bz << 18) & 0x40000u) | ((gz << 19) & 0x780000u) | ((bx << 23) & 0x7800000u) | ((bw << 17) & 0x8000000u) | ((bz << 27) & 0x10000000u) | ((by << 29) & 0xe0000000u); + encoded[2] = ((by >> 3) & 0x1u) | ((ry << 1) & 0x3eu) | ((bz << 4) & 0x40u) | ((rz << 7) & 0xf80u) | ((bz << 9) & 0x1000u) | ((d << 13) & 0x3e000u); + } + + void WriteMode3(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x1fu) | ((rw << 5) & 0x7fe0u) | ((gw << 15) & 0x1ff8000u) | ((bw << 25) & 0xfe000000u); + encoded[1] = ((bw >> 7) & 0x7u) | ((rx << 3) & 0x78u) | ((rw >> 3) & 0x80u) | ((gz << 4) & 0x100u) | ((gy << 9) & 0x1e00u) | ((gx << 13) & 0x3e000u) | ((gw << 8) & 0x40000u) | ((gz << 19) & 0x780000u) | ((bx << 23) & 0x7800000u) | ((bw << 17) & 0x8000000u) | ((bz << 27) & 0x10000000u) | ((by << 29) & 0xe0000000u); + encoded[2] = ((by >> 3) & 0x1u) | ((ry << 1) & 0x1eu) | ((bz << 5) & 0x20u) | ((bz << 4) & 0x40u) | ((rz << 7) & 0x780u) | ((gy << 7) & 0x800u) | ((bz << 9) & 0x1000u) | ((d << 13) & 0x3e000u); + } + + void WriteMode4(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x1fu) | ((rw << 5) & 0x7fe0u) | ((gw << 15) & 0x1ff8000u) | ((bw << 25) & 0xfe000000u); + encoded[1] = ((bw >> 7) & 0x7u) | ((rx << 3) & 0x78u) | ((rw >> 3) & 0x80u) | ((by << 4) & 0x100u) | ((gy << 9) & 0x1e00u) | ((gx << 13) & 0x1e000u) | ((gw << 7) & 0x20000u) | ((bz << 18) & 0x40000u) | ((gz << 19) & 0x780000u) | ((bx << 23) & 0xf800000u) | ((bw << 18) & 0x10000000u) | ((by << 29) & 0xe0000000u); + encoded[2] = ((by >> 3) & 0x1u) | ((ry << 1) & 0x1eu) | ((bz << 4) & 0x60u) | ((rz << 7) & 0x780u) | ((bz << 7) & 0x800u) | ((bz << 9) & 0x1000u) | ((d << 13) & 0x3e000u); + } + + void WriteMode5(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x1fu) | ((rw << 5) & 0x3fe0u) | ((by << 10) & 0x4000u) | ((gw << 15) & 0xff8000u) | ((gy << 20) & 0x1000000u) | ((bw << 25) & 0xfe000000u); + encoded[1] = ((bw >> 7) & 0x3u) | ((bz >> 2) & 0x4u) | ((rx << 3) & 0xf8u) | ((gz << 4) & 0x100u) | ((gy << 9) & 0x1e00u) | ((gx << 13) & 0x3e000u) | ((bz << 18) & 0x40000u) | ((gz << 19) & 0x780000u) | ((bx << 23) & 0xf800000u) | ((bz << 27) & 0x10000000u) | ((by << 29) & 0xe0000000u); + encoded[2] = ((by >> 3) & 0x1u) | ((ry << 1) & 0x3eu) | ((bz << 4) & 0x40u) | ((rz << 7) & 0xf80u) | ((bz << 9) & 0x1000u) | ((d << 13) & 0x3e000u); + } + + void WriteMode6(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x1fu) | ((rw << 5) & 0x1fe0u) | ((gz << 9) & 0x2000u) | ((by << 10) & 0x4000u) | ((gw << 15) & 0x7f8000u) | ((bz << 21) & 0x800000u) | ((gy << 20) & 0x1000000u) | ((bw << 25) & 0xfe000000u); + encoded[1] = ((bw >> 7) & 0x1u) | ((bz >> 2) & 0x6u) | ((rx << 3) & 0x1f8u) | ((gy << 9) & 0x1e00u) | ((gx << 13) & 0x3e000u) | ((bz << 18) & 0x40000u) | ((gz << 19) & 0x780000u) | ((bx << 23) & 0xf800000u) | ((bz << 27) & 0x10000000u) | ((by << 29) & 0xe0000000u); + encoded[2] = ((by >> 3) & 0x1u) | ((ry << 1) & 0x7eu) | ((rz << 7) & 0x1f80u) | ((d << 13) & 0x3e000u); + } + + void WriteMode7(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x1fu) | ((rw << 5) & 0x1fe0u) | ((bz << 13) & 0x2000u) | ((by << 10) & 0x4000u) | ((gw << 15) & 0x7f8000u) | ((gy << 18) & 0x800000u) | ((gy << 20) & 0x1000000u) | ((bw << 25) & 0xfe000000u); + encoded[1] = ((bw >> 7) & 0x1u) | ((gz >> 4) & 0x2u) | ((bz >> 2) & 0x4u) | ((rx << 3) & 0xf8u) | ((gz << 4) & 0x100u) | ((gy << 9) & 0x1e00u) | ((gx << 13) & 0x7e000u) | ((gz << 19) & 0x780000u) | ((bx << 23) & 0xf800000u) | ((bz << 27) & 0x10000000u) | ((by << 29) & 0xe0000000u); + encoded[2] = ((by >> 3) & 0x1u) | ((ry << 1) & 0x3eu) | ((bz << 4) & 0x40u) | ((rz << 7) & 0xf80u) | ((bz << 9) & 0x1000u) | ((d << 13) & 0x3e000u); + } + + void WriteMode8(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x1fu) | ((rw << 5) & 0x1fe0u) | ((bz << 12) & 0x2000u) | ((by << 10) & 0x4000u) | ((gw << 15) & 0x7f8000u) | ((by << 18) & 0x800000u) | ((gy << 20) & 0x1000000u) | ((bw << 25) & 0xfe000000u); + encoded[1] = ((bw >> 7) & 0x1u) | ((bz >> 4) & 0x2u) | ((bz >> 2) & 0x4u) | ((rx << 3) & 0xf8u) | ((gz << 4) & 0x100u) | ((gy << 9) & 0x1e00u) | ((gx << 13) & 0x3e000u) | ((bz << 18) & 0x40000u) | ((gz << 19) & 0x780000u) | ((bx << 23) & 0x1f800000u) | ((by << 29) & 0xe0000000u); + encoded[2] = ((by >> 3) & 0x1u) | ((ry << 1) & 0x3eu) | ((bz << 4) & 0x40u) | ((rz << 7) & 0xf80u) | ((bz << 9) & 0x1000u) | ((d << 13) & 0x3e000u); + } + + void WriteMode9(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x1fu) | ((rw << 5) & 0x7e0u) | ((gz << 7) & 0x800u) | ((bz << 12) & 0x3000u) | ((by << 10) & 0x4000u) | ((gw << 15) & 0x1f8000u) | ((gy << 16) & 0x200000u) | ((by << 17) & 0x400000u) | ((bz << 21) & 0x800000u) | ((gy << 20) & 0x1000000u) | ((bw << 25) & 0x7e000000u) | ((gz << 26) & 0x80000000u); + encoded[1] = ((bz >> 3) & 0x1u) | ((bz >> 4) & 0x2u) | ((bz >> 2) & 0x4u) | ((rx << 3) & 0x1f8u) | ((gy << 9) & 0x1e00u) | ((gx << 13) & 0x7e000u) | ((gz << 19) & 0x780000u) | ((bx << 23) & 0x1f800000u) | ((by << 29) & 0xe0000000u); + encoded[2] = ((by >> 3) & 0x1u) | ((ry << 1) & 0x7eu) | ((rz << 7) & 0x1f80u) | ((d << 13) & 0x3e000u); + } + + void WriteMode10(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x1fu) | ((rw << 5) & 0x7fe0u) | ((gw << 15) & 0x1ff8000u) | ((bw << 25) & 0xfe000000u); + encoded[1] = ((bw >> 7) & 0x7u) | ((rx << 3) & 0x1ff8u) | ((gx << 13) & 0x7fe000u) | ((bx << 23) & 0xff800000u); + encoded[2] = ((bx >> 9) & 0x1u); + } + + void WriteMode11(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x1fu) | ((rw << 5) & 0x7fe0u) | ((gw << 15) & 0x1ff8000u) | ((bw << 25) & 0xfe000000u); + encoded[1] = ((bw >> 7) & 0x7u) | ((rx << 3) & 0xff8u) | ((rw << 2) & 0x1000u) | ((gx << 13) & 0x3fe000u) | ((gw << 12) & 0x400000u) | ((bx << 23) & 0xff800000u); + encoded[2] = ((bw >> 10) & 0x1u); + } + + void WriteMode12(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x1fu) | ((rw << 5) & 0x7fe0u) | ((gw << 15) & 0x1ff8000u) | ((bw << 25) & 0xfe000000u); + encoded[1] = ((bw >> 7) & 0x7u) | ((rx << 3) & 0x7f8u) | (rw & 0x800u) | ((rw << 2) & 0x1000u) | ((gx << 13) & 0x1fe000u) | ((gw << 10) & 0x200000u) | ((gw << 12) & 0x400000u) | ((bx << 23) & 0x7f800000u) | ((bw << 20) & 0x80000000u); + encoded[2] = ((bw >> 10) & 0x1u); + } + + void WriteMode13(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz) + { + encoded[0] = (m & 0x1fu) | ((rw << 5) & 0x7fe0u) | ((gw << 15) & 0x1ff8000u) | ((bw << 25) & 0xfe000000u); + encoded[1] = ((bw >> 7) & 0x7u) | ((rx << 3) & 0x78u) | ((rw >> 8) & 0x80u) | ((rw >> 6) & 0x100u) | ((rw >> 4) & 0x200u) | ((rw >> 2) & 0x400u) | (rw & 0x800u) | ((rw << 2) & 0x1000u) | ((gx << 13) & 0x1e000u) | ((gw << 2) & 0x20000u) | ((gw << 4) & 0x40000u) | ((gw << 6) & 0x80000u) | ((gw << 8) & 0x100000u) | ((gw << 10) & 0x200000u) | ((gw << 12) & 0x400000u) | ((bx << 23) & 0x7800000u) | ((bw << 12) & 0x8000000u) | ((bw << 14) & 0x10000000u) | ((bw << 16) & 0x20000000u) | ((bw << 18) & 0x40000000u) | ((bw << 20) & 0x80000000u); + encoded[2] = ((bw >> 10) & 0x1u); + } + + void ReadMode0(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + gy |= ((encoded[0] << 2) & 0x10u); + by |= ((encoded[0] << 1) & 0x10u); + bz |= (encoded[0] & 0x10u); + rw |= ((encoded[0] >> 5) & 0x3ffu); + gw |= ((encoded[0] >> 15) & 0x3ffu); + bw |= ((encoded[0] >> 25) & 0x7fu); + bw |= ((encoded[1] << 7) & 0x380u); + rx |= ((encoded[1] >> 3) & 0x1fu); + gz |= ((encoded[1] >> 4) & 0x10u); + gy |= ((encoded[1] >> 9) & 0xfu); + gx |= ((encoded[1] >> 13) & 0x1fu); + bz |= ((encoded[1] >> 18) & 0x1u); + gz |= ((encoded[1] >> 19) & 0xfu); + bx |= ((encoded[1] >> 23) & 0x1fu); + bz |= ((encoded[1] >> 27) & 0x2u); + by |= ((encoded[1] >> 29) & 0x7u); + by |= ((encoded[2] << 3) & 0x8u); + ry |= ((encoded[2] >> 1) & 0x1fu); + bz |= ((encoded[2] >> 4) & 0x4u); + rz |= ((encoded[2] >> 7) & 0x1fu); + bz |= ((encoded[2] >> 9) & 0x8u); + d |= ((encoded[2] >> 13) & 0x1fu); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + void ReadMode1(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + gy |= ((encoded[0] << 3) & 0x20u); + gz |= ((encoded[0] << 1) & 0x30u); + rw |= ((encoded[0] >> 5) & 0x7fu); + bz |= ((encoded[0] >> 12) & 0x3u); + by |= ((encoded[0] >> 10) & 0x10u); + gw |= ((encoded[0] >> 15) & 0x7fu); + by |= ((encoded[0] >> 17) & 0x20u); + bz |= ((encoded[0] >> 21) & 0x4u); + gy |= ((encoded[0] >> 20) & 0x10u); + bw |= ((encoded[0] >> 25) & 0x7fu); + bz |= ((encoded[1] << 3) & 0x8u); + bz |= ((encoded[1] << 4) & 0x20u); + bz |= ((encoded[1] << 2) & 0x10u); + rx |= ((encoded[1] >> 3) & 0x3fu); + gy |= ((encoded[1] >> 9) & 0xfu); + gx |= ((encoded[1] >> 13) & 0x3fu); + gz |= ((encoded[1] >> 19) & 0xfu); + bx |= ((encoded[1] >> 23) & 0x3fu); + by |= ((encoded[1] >> 29) & 0x7u); + by |= ((encoded[2] << 3) & 0x8u); + ry |= ((encoded[2] >> 1) & 0x3fu); + rz |= ((encoded[2] >> 7) & 0x3fu); + d |= ((encoded[2] >> 13) & 0x1fu); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + void ReadMode2(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + rw |= ((encoded[0] >> 5) & 0x3ffu); + gw |= ((encoded[0] >> 15) & 0x3ffu); + bw |= ((encoded[0] >> 25) & 0x7fu); + bw |= ((encoded[1] << 7) & 0x380u); + rx |= ((encoded[1] >> 3) & 0x1fu); + rw |= ((encoded[1] << 2) & 0x400u); + gy |= ((encoded[1] >> 9) & 0xfu); + gx |= ((encoded[1] >> 13) & 0xfu); + gw |= ((encoded[1] >> 7) & 0x400u); + bz |= ((encoded[1] >> 18) & 0x1u); + gz |= ((encoded[1] >> 19) & 0xfu); + bx |= ((encoded[1] >> 23) & 0xfu); + bw |= ((encoded[1] >> 17) & 0x400u); + bz |= ((encoded[1] >> 27) & 0x2u); + by |= ((encoded[1] >> 29) & 0x7u); + by |= ((encoded[2] << 3) & 0x8u); + ry |= ((encoded[2] >> 1) & 0x1fu); + bz |= ((encoded[2] >> 4) & 0x4u); + rz |= ((encoded[2] >> 7) & 0x1fu); + bz |= ((encoded[2] >> 9) & 0x8u); + d |= ((encoded[2] >> 13) & 0x1fu); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + void ReadMode3(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + rw |= ((encoded[0] >> 5) & 0x3ffu); + gw |= ((encoded[0] >> 15) & 0x3ffu); + bw |= ((encoded[0] >> 25) & 0x7fu); + bw |= ((encoded[1] << 7) & 0x380u); + rx |= ((encoded[1] >> 3) & 0xfu); + rw |= ((encoded[1] << 3) & 0x400u); + gz |= ((encoded[1] >> 4) & 0x10u); + gy |= ((encoded[1] >> 9) & 0xfu); + gx |= ((encoded[1] >> 13) & 0x1fu); + gw |= ((encoded[1] >> 8) & 0x400u); + gz |= ((encoded[1] >> 19) & 0xfu); + bx |= ((encoded[1] >> 23) & 0xfu); + bw |= ((encoded[1] >> 17) & 0x400u); + bz |= ((encoded[1] >> 27) & 0x2u); + by |= ((encoded[1] >> 29) & 0x7u); + by |= ((encoded[2] << 3) & 0x8u); + ry |= ((encoded[2] >> 1) & 0xfu); + bz |= ((encoded[2] >> 5) & 0x1u); + bz |= ((encoded[2] >> 4) & 0x4u); + rz |= ((encoded[2] >> 7) & 0xfu); + gy |= ((encoded[2] >> 7) & 0x10u); + bz |= ((encoded[2] >> 9) & 0x8u); + d |= ((encoded[2] >> 13) & 0x1fu); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + void ReadMode4(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + rw |= ((encoded[0] >> 5) & 0x3ffu); + gw |= ((encoded[0] >> 15) & 0x3ffu); + bw |= ((encoded[0] >> 25) & 0x7fu); + bw |= ((encoded[1] << 7) & 0x380u); + rx |= ((encoded[1] >> 3) & 0xfu); + rw |= ((encoded[1] << 3) & 0x400u); + by |= ((encoded[1] >> 4) & 0x10u); + gy |= ((encoded[1] >> 9) & 0xfu); + gx |= ((encoded[1] >> 13) & 0xfu); + gw |= ((encoded[1] >> 7) & 0x400u); + bz |= ((encoded[1] >> 18) & 0x1u); + gz |= ((encoded[1] >> 19) & 0xfu); + bx |= ((encoded[1] >> 23) & 0x1fu); + bw |= ((encoded[1] >> 18) & 0x400u); + by |= ((encoded[1] >> 29) & 0x7u); + by |= ((encoded[2] << 3) & 0x8u); + ry |= ((encoded[2] >> 1) & 0xfu); + bz |= ((encoded[2] >> 4) & 0x6u); + rz |= ((encoded[2] >> 7) & 0xfu); + bz |= ((encoded[2] >> 7) & 0x10u); + bz |= ((encoded[2] >> 9) & 0x8u); + d |= ((encoded[2] >> 13) & 0x1fu); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + void ReadMode5(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + rw |= ((encoded[0] >> 5) & 0x1ffu); + by |= ((encoded[0] >> 10) & 0x10u); + gw |= ((encoded[0] >> 15) & 0x1ffu); + gy |= ((encoded[0] >> 20) & 0x10u); + bw |= ((encoded[0] >> 25) & 0x7fu); + bw |= ((encoded[1] << 7) & 0x180u); + bz |= ((encoded[1] << 2) & 0x10u); + rx |= ((encoded[1] >> 3) & 0x1fu); + gz |= ((encoded[1] >> 4) & 0x10u); + gy |= ((encoded[1] >> 9) & 0xfu); + gx |= ((encoded[1] >> 13) & 0x1fu); + bz |= ((encoded[1] >> 18) & 0x1u); + gz |= ((encoded[1] >> 19) & 0xfu); + bx |= ((encoded[1] >> 23) & 0x1fu); + bz |= ((encoded[1] >> 27) & 0x2u); + by |= ((encoded[1] >> 29) & 0x7u); + by |= ((encoded[2] << 3) & 0x8u); + ry |= ((encoded[2] >> 1) & 0x1fu); + bz |= ((encoded[2] >> 4) & 0x4u); + rz |= ((encoded[2] >> 7) & 0x1fu); + bz |= ((encoded[2] >> 9) & 0x8u); + d |= ((encoded[2] >> 13) & 0x1fu); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + void ReadMode6(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + rw |= ((encoded[0] >> 5) & 0xffu); + gz |= ((encoded[0] >> 9) & 0x10u); + by |= ((encoded[0] >> 10) & 0x10u); + gw |= ((encoded[0] >> 15) & 0xffu); + bz |= ((encoded[0] >> 21) & 0x4u); + gy |= ((encoded[0] >> 20) & 0x10u); + bw |= ((encoded[0] >> 25) & 0x7fu); + bw |= ((encoded[1] << 7) & 0x80u); + bz |= ((encoded[1] << 2) & 0x18u); + rx |= ((encoded[1] >> 3) & 0x3fu); + gy |= ((encoded[1] >> 9) & 0xfu); + gx |= ((encoded[1] >> 13) & 0x1fu); + bz |= ((encoded[1] >> 18) & 0x1u); + gz |= ((encoded[1] >> 19) & 0xfu); + bx |= ((encoded[1] >> 23) & 0x1fu); + bz |= ((encoded[1] >> 27) & 0x2u); + by |= ((encoded[1] >> 29) & 0x7u); + by |= ((encoded[2] << 3) & 0x8u); + ry |= ((encoded[2] >> 1) & 0x3fu); + rz |= ((encoded[2] >> 7) & 0x3fu); + d |= ((encoded[2] >> 13) & 0x1fu); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + void ReadMode7(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + rw |= ((encoded[0] >> 5) & 0xffu); + bz |= ((encoded[0] >> 13) & 0x1u); + by |= ((encoded[0] >> 10) & 0x10u); + gw |= ((encoded[0] >> 15) & 0xffu); + gy |= ((encoded[0] >> 18) & 0x20u); + gy |= ((encoded[0] >> 20) & 0x10u); + bw |= ((encoded[0] >> 25) & 0x7fu); + bw |= ((encoded[1] << 7) & 0x80u); + gz |= ((encoded[1] << 4) & 0x20u); + bz |= ((encoded[1] << 2) & 0x10u); + rx |= ((encoded[1] >> 3) & 0x1fu); + gz |= ((encoded[1] >> 4) & 0x10u); + gy |= ((encoded[1] >> 9) & 0xfu); + gx |= ((encoded[1] >> 13) & 0x3fu); + gz |= ((encoded[1] >> 19) & 0xfu); + bx |= ((encoded[1] >> 23) & 0x1fu); + bz |= ((encoded[1] >> 27) & 0x2u); + by |= ((encoded[1] >> 29) & 0x7u); + by |= ((encoded[2] << 3) & 0x8u); + ry |= ((encoded[2] >> 1) & 0x1fu); + bz |= ((encoded[2] >> 4) & 0x4u); + rz |= ((encoded[2] >> 7) & 0x1fu); + bz |= ((encoded[2] >> 9) & 0x8u); + d |= ((encoded[2] >> 13) & 0x1fu); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + void ReadMode8(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + rw |= ((encoded[0] >> 5) & 0xffu); + bz |= ((encoded[0] >> 12) & 0x2u); + by |= ((encoded[0] >> 10) & 0x10u); + gw |= ((encoded[0] >> 15) & 0xffu); + by |= ((encoded[0] >> 18) & 0x20u); + gy |= ((encoded[0] >> 20) & 0x10u); + bw |= ((encoded[0] >> 25) & 0x7fu); + bw |= ((encoded[1] << 7) & 0x80u); + bz |= ((encoded[1] << 4) & 0x20u); + bz |= ((encoded[1] << 2) & 0x10u); + rx |= ((encoded[1] >> 3) & 0x1fu); + gz |= ((encoded[1] >> 4) & 0x10u); + gy |= ((encoded[1] >> 9) & 0xfu); + gx |= ((encoded[1] >> 13) & 0x1fu); + bz |= ((encoded[1] >> 18) & 0x1u); + gz |= ((encoded[1] >> 19) & 0xfu); + bx |= ((encoded[1] >> 23) & 0x3fu); + by |= ((encoded[1] >> 29) & 0x7u); + by |= ((encoded[2] << 3) & 0x8u); + ry |= ((encoded[2] >> 1) & 0x1fu); + bz |= ((encoded[2] >> 4) & 0x4u); + rz |= ((encoded[2] >> 7) & 0x1fu); + bz |= ((encoded[2] >> 9) & 0x8u); + d |= ((encoded[2] >> 13) & 0x1fu); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + void ReadMode9(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + rw |= ((encoded[0] >> 5) & 0x3fu); + gz |= ((encoded[0] >> 7) & 0x10u); + bz |= ((encoded[0] >> 12) & 0x3u); + by |= ((encoded[0] >> 10) & 0x10u); + gw |= ((encoded[0] >> 15) & 0x3fu); + gy |= ((encoded[0] >> 16) & 0x20u); + by |= ((encoded[0] >> 17) & 0x20u); + bz |= ((encoded[0] >> 21) & 0x4u); + gy |= ((encoded[0] >> 20) & 0x10u); + bw |= ((encoded[0] >> 25) & 0x3fu); + gz |= ((encoded[0] >> 26) & 0x20u); + bz |= ((encoded[1] << 3) & 0x8u); + bz |= ((encoded[1] << 4) & 0x20u); + bz |= ((encoded[1] << 2) & 0x10u); + rx |= ((encoded[1] >> 3) & 0x3fu); + gy |= ((encoded[1] >> 9) & 0xfu); + gx |= ((encoded[1] >> 13) & 0x3fu); + gz |= ((encoded[1] >> 19) & 0xfu); + bx |= ((encoded[1] >> 23) & 0x3fu); + by |= ((encoded[1] >> 29) & 0x7u); + by |= ((encoded[2] << 3) & 0x8u); + ry |= ((encoded[2] >> 1) & 0x3fu); + rz |= ((encoded[2] >> 7) & 0x3fu); + d |= ((encoded[2] >> 13) & 0x1fu); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + void ReadMode10(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + rw |= ((encoded[0] >> 5) & 0x3ffu); + gw |= ((encoded[0] >> 15) & 0x3ffu); + bw |= ((encoded[0] >> 25) & 0x7fu); + bw |= ((encoded[1] << 7) & 0x380u); + rx |= ((encoded[1] >> 3) & 0x3ffu); + gx |= ((encoded[1] >> 13) & 0x3ffu); + bx |= ((encoded[1] >> 23) & 0x1ffu); + bx |= ((encoded[2] << 9) & 0x200u); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + void ReadMode11(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + rw |= ((encoded[0] >> 5) & 0x3ffu); + gw |= ((encoded[0] >> 15) & 0x3ffu); + bw |= ((encoded[0] >> 25) & 0x7fu); + bw |= ((encoded[1] << 7) & 0x380u); + rx |= ((encoded[1] >> 3) & 0x1ffu); + rw |= ((encoded[1] >> 2) & 0x400u); + gx |= ((encoded[1] >> 13) & 0x1ffu); + gw |= ((encoded[1] >> 12) & 0x400u); + bx |= ((encoded[1] >> 23) & 0x1ffu); + bw |= ((encoded[2] << 10) & 0x400u); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + void ReadMode12(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + rw |= ((encoded[0] >> 5) & 0x3ffu); + gw |= ((encoded[0] >> 15) & 0x3ffu); + bw |= ((encoded[0] >> 25) & 0x7fu); + bw |= ((encoded[1] << 7) & 0x380u); + rx |= ((encoded[1] >> 3) & 0xffu); + rw |= (encoded[1] & 0x800u); + rw |= ((encoded[1] >> 2) & 0x400u); + gx |= ((encoded[1] >> 13) & 0xffu); + gw |= ((encoded[1] >> 10) & 0x800u); + gw |= ((encoded[1] >> 12) & 0x400u); + bx |= ((encoded[1] >> 23) & 0xffu); + bw |= ((encoded[1] >> 20) & 0x800u); + bw |= ((encoded[2] << 10) & 0x400u); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + void ReadMode13(const uint32_t *encoded, uint16_t &outD, uint16_t &outRW, uint16_t &outRX, uint16_t &outRY, uint16_t &outRZ, uint16_t &outGW, uint16_t &outGX, uint16_t &outGY, uint16_t &outGZ, uint16_t &outBW, uint16_t &outBX, uint16_t &outBY, uint16_t &outBZ) + { + uint16_t d = 0; + uint16_t rw = 0; + uint16_t rx = 0; + uint16_t ry = 0; + uint16_t rz = 0; + uint16_t gw = 0; + uint16_t gx = 0; + uint16_t gy = 0; + uint16_t gz = 0; + uint16_t bw = 0; + uint16_t bx = 0; + uint16_t by = 0; + uint16_t bz = 0; + rw |= ((encoded[0] >> 5) & 0x3ffu); + gw |= ((encoded[0] >> 15) & 0x3ffu); + bw |= ((encoded[0] >> 25) & 0x7fu); + bw |= ((encoded[1] << 7) & 0x380u); + rx |= ((encoded[1] >> 3) & 0xfu); + rw |= ((encoded[1] << 8) & 0x8000u); + rw |= ((encoded[1] << 6) & 0x4000u); + rw |= ((encoded[1] << 4) & 0x2000u); + rw |= ((encoded[1] << 2) & 0x1000u); + rw |= (encoded[1] & 0x800u); + rw |= ((encoded[1] >> 2) & 0x400u); + gx |= ((encoded[1] >> 13) & 0xfu); + gw |= ((encoded[1] >> 2) & 0x8000u); + gw |= ((encoded[1] >> 4) & 0x4000u); + gw |= ((encoded[1] >> 6) & 0x2000u); + gw |= ((encoded[1] >> 8) & 0x1000u); + gw |= ((encoded[1] >> 10) & 0x800u); + gw |= ((encoded[1] >> 12) & 0x400u); + bx |= ((encoded[1] >> 23) & 0xfu); + bw |= ((encoded[1] >> 12) & 0x8000u); + bw |= ((encoded[1] >> 14) & 0x4000u); + bw |= ((encoded[1] >> 16) & 0x2000u); + bw |= ((encoded[1] >> 18) & 0x1000u); + bw |= ((encoded[1] >> 20) & 0x800u); + bw |= ((encoded[2] << 10) & 0x400u); + outD = d; + outRW = rw; + outRX = rx; + outRY = ry; + outRZ = rz; + outGW = gw; + outGX = gx; + outGY = gy; + outGZ = gz; + outBW = bw; + outBX = bx; + outBY = by; + outBZ = bz; + } + + const ReadFunc_t g_readFuncs[14] = + { + ReadMode0, + ReadMode1, + ReadMode2, + ReadMode3, + ReadMode4, + ReadMode5, + ReadMode6, + ReadMode7, + ReadMode8, + ReadMode9, + ReadMode10, + ReadMode11, + ReadMode12, + ReadMode13 + }; + + const WriteFunc_t g_writeFuncs[14] = + { + WriteMode0, + WriteMode1, + WriteMode2, + WriteMode3, + WriteMode4, + WriteMode5, + WriteMode6, + WriteMode7, + WriteMode8, + WriteMode9, + WriteMode10, + WriteMode11, + WriteMode12, + WriteMode13 + }; + } +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_BC6H_IO.h b/thirdparty/cvtt/ConvectionKernels_BC6H_IO.h new file mode 100644 index 0000000000..a7bb517b54 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_BC6H_IO.h @@ -0,0 +1,16 @@ +#pragma once + +#include <stdint.h> +#include "ConvectionKernels_BC6H_IO.h" + +namespace cvtt +{ + namespace BC6H_IO + { + typedef void (*ReadFunc_t)(const uint32_t *encoded, uint16_t &d, uint16_t &rw, uint16_t &rx, uint16_t &ry, uint16_t &rz, uint16_t &gw, uint16_t &gx, uint16_t &gy, uint16_t &gz, uint16_t &bw, uint16_t &bx, uint16_t &by, uint16_t &bz); + typedef void (*WriteFunc_t)(uint32_t *encoded, uint16_t m, uint16_t d, uint16_t rw, uint16_t rx, uint16_t ry, uint16_t rz, uint16_t gw, uint16_t gx, uint16_t gy, uint16_t gz, uint16_t bw, uint16_t bx, uint16_t by, uint16_t bz); + + extern const ReadFunc_t g_readFuncs[14]; + extern const WriteFunc_t g_writeFuncs[14]; + } +} diff --git a/thirdparty/cvtt/ConvectionKernels_BC7_Prio.h b/thirdparty/cvtt/ConvectionKernels_BC7_Prio.h new file mode 100644 index 0000000000..1880e22d0f --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_BC7_Prio.h @@ -0,0 +1,17 @@ +#pragma once + +#include <stdint.h> + +namespace cvtt { namespace Tables { namespace BC7Prio { + extern const uint16_t *g_bc7PrioCodesRGB; + extern const int g_bc7NumPrioCodesRGB; + + extern const uint16_t *g_bc7PrioCodesRGBA; + extern const int g_bc7NumPrioCodesRGBA; + + int UnpackMode(uint16_t packed); + int UnpackSeedPointCount(uint16_t packed); + int UnpackPartition(uint16_t packed); + int UnpackRotation(uint16_t packed); + int UnpackIndexSelector(uint16_t packed); +}}} diff --git a/thirdparty/cvtt/ConvectionKernels_BC7_PrioData.cpp b/thirdparty/cvtt/ConvectionKernels_BC7_PrioData.cpp new file mode 100644 index 0000000000..5b3134f860 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_BC7_PrioData.cpp @@ -0,0 +1,1301 @@ +/* +Convection Texture Tools +Copyright (c) 2018-2019 Eric Lasota + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject +to the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +------------------------------------------------------------------------------------- + +Portions based on DirectX Texture Library (DirectXTex) + +Copyright (c) Microsoft Corporation. All rights reserved. +Licensed under the MIT License. + +http://go.microsoft.com/fwlink/?LinkId=248926 +*/ +#include "ConvectionKernels_Config.h" + +#if !defined(CVTT_SINGLE_FILE) || defined(CVTT_SINGLE_FILE_IMPL) + +#include "ConvectionKernels_BC7_Prio.h" + +#define BC7_PARTITION_BITS 6 +#define BC7_PARTITION_OFFSET_BITS 0 + +#define BC7_ROTATION_BITS 2 +#define BC7_ROTATION_OFFSET_BITS 0 + +#define BC7_INDEX_MODE_BITS 1 +#define BC7_INDEX_MODE_OFFSET_BITS (BC7_ROTATION_OFFSET_BITS + BC7_ROTATION_BITS) + +#define BC7_MODE_BITS 3 +#define BC7_MODE_OFFSET_BITS (BC7_PARTITION_OFFSET_BITS + BC7_PARTITION_BITS) +#define BC7_SEED_POINT_COUNT_BITS 2 +#define BC7_SEED_POINT_COUNT_OFFSET_BITS (BC7_MODE_BITS + BC7_MODE_OFFSET_BITS) + + + +#define BC7_MODE_PRIO_DUAL_PLANE(subData) \ + ( \ + ((subData / 10) << BC7_ROTATION_OFFSET_BITS) | \ + ((subData % 10) << BC7_INDEX_MODE_OFFSET_BITS) \ + ) + +#define BC7_MODE_PRIO_CODE(seedPointCount, mode, subData) \ + (\ + ((seedPointCount - 1) << BC7_SEED_POINT_COUNT_OFFSET_BITS) | \ + (mode << BC7_MODE_OFFSET_BITS) | \ + ((mode == 4 || mode == 5) ? BC7_MODE_PRIO_DUAL_PLANE(subData) : (subData << BC7_PARTITION_OFFSET_BITS)) \ + ) + +namespace cvtt { namespace Tables { namespace BC7Prio { + const uint16_t g_bc7PrioCodesRGBData[] = + { + BC7_MODE_PRIO_CODE(1, 1, 13), + BC7_MODE_PRIO_CODE(1, 1, 0), + BC7_MODE_PRIO_CODE(1, 0, 3), + BC7_MODE_PRIO_CODE(1, 0, 1), + BC7_MODE_PRIO_CODE(1, 6, 0), + BC7_MODE_PRIO_CODE(1, 0, 9), + BC7_MODE_PRIO_CODE(1, 1, 6), + BC7_MODE_PRIO_CODE(1, 1, 1), + BC7_MODE_PRIO_CODE(1, 1, 2), + BC7_MODE_PRIO_CODE(1, 0, 15), + BC7_MODE_PRIO_CODE(1, 1, 7), + BC7_MODE_PRIO_CODE(1, 1, 16), + BC7_MODE_PRIO_CODE(1, 1, 15), + BC7_MODE_PRIO_CODE(1, 1, 14), + BC7_MODE_PRIO_CODE(1, 0, 13), + BC7_MODE_PRIO_CODE(1, 0, 14), + BC7_MODE_PRIO_CODE(1, 0, 11), + BC7_MODE_PRIO_CODE(1, 1, 22), + BC7_MODE_PRIO_CODE(1, 0, 8), + BC7_MODE_PRIO_CODE(1, 0, 10), + BC7_MODE_PRIO_CODE(1, 1, 8), + BC7_MODE_PRIO_CODE(1, 3, 13), + BC7_MODE_PRIO_CODE(1, 1, 19), + BC7_MODE_PRIO_CODE(1, 4, 31), + BC7_MODE_PRIO_CODE(1, 1, 10), + BC7_MODE_PRIO_CODE(1, 1, 23), + BC7_MODE_PRIO_CODE(1, 1, 3), + BC7_MODE_PRIO_CODE(2, 1, 13), + BC7_MODE_PRIO_CODE(1, 1, 9), + BC7_MODE_PRIO_CODE(2, 1, 0), + BC7_MODE_PRIO_CODE(1, 1, 20), + BC7_MODE_PRIO_CODE(1, 1, 21), + BC7_MODE_PRIO_CODE(1, 4, 11), + BC7_MODE_PRIO_CODE(1, 1, 29), + BC7_MODE_PRIO_CODE(1, 1, 26), + BC7_MODE_PRIO_CODE(1, 5, 30), + BC7_MODE_PRIO_CODE(1, 0, 4), + BC7_MODE_PRIO_CODE(2, 6, 0), + BC7_MODE_PRIO_CODE(1, 0, 0), + BC7_MODE_PRIO_CODE(2, 0, 10), + BC7_MODE_PRIO_CODE(3, 6, 0), + BC7_MODE_PRIO_CODE(1, 1, 11), + BC7_MODE_PRIO_CODE(1, 4, 10), + BC7_MODE_PRIO_CODE(2, 0, 8), + BC7_MODE_PRIO_CODE(2, 0, 11), + BC7_MODE_PRIO_CODE(2, 0, 13), + BC7_MODE_PRIO_CODE(1, 1, 4), + BC7_MODE_PRIO_CODE(3, 1, 13), + BC7_MODE_PRIO_CODE(1, 1, 12), + BC7_MODE_PRIO_CODE(1, 1, 18), + BC7_MODE_PRIO_CODE(1, 3, 0), + BC7_MODE_PRIO_CODE(1, 0, 5), + BC7_MODE_PRIO_CODE(1, 1, 17), + BC7_MODE_PRIO_CODE(1, 1, 25), + BC7_MODE_PRIO_CODE(1, 0, 7), + BC7_MODE_PRIO_CODE(3, 0, 10), + BC7_MODE_PRIO_CODE(1, 1, 5), + BC7_MODE_PRIO_CODE(2, 1, 10), + BC7_MODE_PRIO_CODE(1, 1, 24), + BC7_MODE_PRIO_CODE(3, 0, 8), + BC7_MODE_PRIO_CODE(3, 1, 0), + BC7_MODE_PRIO_CODE(2, 1, 15), + BC7_MODE_PRIO_CODE(2, 1, 14), + BC7_MODE_PRIO_CODE(3, 0, 13), + BC7_MODE_PRIO_CODE(3, 0, 11), + BC7_MODE_PRIO_CODE(2, 1, 16), + BC7_MODE_PRIO_CODE(2, 0, 14), + BC7_MODE_PRIO_CODE(2, 1, 3), + BC7_MODE_PRIO_CODE(4, 0, 10), + BC7_MODE_PRIO_CODE(2, 1, 1), + BC7_MODE_PRIO_CODE(1, 0, 2), + BC7_MODE_PRIO_CODE(2, 1, 2), + BC7_MODE_PRIO_CODE(4, 0, 8), + BC7_MODE_PRIO_CODE(1, 0, 12), + BC7_MODE_PRIO_CODE(4, 1, 13), + BC7_MODE_PRIO_CODE(1, 5, 10), + BC7_MODE_PRIO_CODE(2, 0, 15), + BC7_MODE_PRIO_CODE(1, 0, 6), + BC7_MODE_PRIO_CODE(1, 1, 35), + BC7_MODE_PRIO_CODE(2, 1, 23), + BC7_MODE_PRIO_CODE(4, 0, 13), + BC7_MODE_PRIO_CODE(4, 0, 11), + BC7_MODE_PRIO_CODE(1, 2, 17), + BC7_MODE_PRIO_CODE(2, 1, 6), + BC7_MODE_PRIO_CODE(2, 1, 7), + BC7_MODE_PRIO_CODE(4, 6, 0), + BC7_MODE_PRIO_CODE(1, 2, 16), + BC7_MODE_PRIO_CODE(2, 1, 19), + BC7_MODE_PRIO_CODE(1, 1, 30), + BC7_MODE_PRIO_CODE(2, 3, 13), + BC7_MODE_PRIO_CODE(3, 0, 14), + BC7_MODE_PRIO_CODE(2, 1, 29), + BC7_MODE_PRIO_CODE(2, 1, 21), + BC7_MODE_PRIO_CODE(4, 1, 0), + BC7_MODE_PRIO_CODE(3, 0, 15), + BC7_MODE_PRIO_CODE(2, 0, 3), + BC7_MODE_PRIO_CODE(1, 1, 28), + BC7_MODE_PRIO_CODE(1, 4, 30), + BC7_MODE_PRIO_CODE(2, 0, 4), + BC7_MODE_PRIO_CODE(1, 2, 63), + BC7_MODE_PRIO_CODE(4, 0, 14), + BC7_MODE_PRIO_CODE(2, 1, 26), + BC7_MODE_PRIO_CODE(2, 0, 1), + BC7_MODE_PRIO_CODE(3, 0, 3), + BC7_MODE_PRIO_CODE(1, 1, 61), + BC7_MODE_PRIO_CODE(2, 0, 7), + BC7_MODE_PRIO_CODE(2, 0, 5), + BC7_MODE_PRIO_CODE(3, 1, 10), + BC7_MODE_PRIO_CODE(2, 4, 31), + BC7_MODE_PRIO_CODE(2, 0, 9), + BC7_MODE_PRIO_CODE(2, 1, 11), + BC7_MODE_PRIO_CODE(4, 0, 15), + BC7_MODE_PRIO_CODE(3, 1, 14), + BC7_MODE_PRIO_CODE(2, 0, 0), + BC7_MODE_PRIO_CODE(3, 1, 15), + BC7_MODE_PRIO_CODE(2, 3, 0), + BC7_MODE_PRIO_CODE(3, 0, 1), + BC7_MODE_PRIO_CODE(1, 1, 60), + BC7_MODE_PRIO_CODE(2, 1, 12), + BC7_MODE_PRIO_CODE(3, 1, 1), + BC7_MODE_PRIO_CODE(3, 0, 5), + BC7_MODE_PRIO_CODE(1, 1, 27), + BC7_MODE_PRIO_CODE(2, 1, 18), + BC7_MODE_PRIO_CODE(3, 0, 9), + BC7_MODE_PRIO_CODE(3, 1, 3), + BC7_MODE_PRIO_CODE(2, 0, 2), + BC7_MODE_PRIO_CODE(3, 1, 16), + BC7_MODE_PRIO_CODE(3, 1, 2), + BC7_MODE_PRIO_CODE(1, 1, 31), + BC7_MODE_PRIO_CODE(3, 0, 7), + BC7_MODE_PRIO_CODE(2, 1, 17), + BC7_MODE_PRIO_CODE(1, 5, 20), + BC7_MODE_PRIO_CODE(2, 1, 4), + BC7_MODE_PRIO_CODE(1, 1, 62), + BC7_MODE_PRIO_CODE(2, 0, 12), + BC7_MODE_PRIO_CODE(3, 0, 4), + BC7_MODE_PRIO_CODE(4, 0, 4), + BC7_MODE_PRIO_CODE(1, 1, 33), + BC7_MODE_PRIO_CODE(3, 1, 23), + BC7_MODE_PRIO_CODE(2, 1, 5), + BC7_MODE_PRIO_CODE(2, 0, 6), + BC7_MODE_PRIO_CODE(2, 1, 24), + BC7_MODE_PRIO_CODE(1, 1, 59), + BC7_MODE_PRIO_CODE(1, 1, 63), + BC7_MODE_PRIO_CODE(3, 0, 0), + BC7_MODE_PRIO_CODE(1, 1, 52), + BC7_MODE_PRIO_CODE(4, 0, 7), + BC7_MODE_PRIO_CODE(2, 1, 22), + BC7_MODE_PRIO_CODE(4, 0, 3), + BC7_MODE_PRIO_CODE(1, 2, 10), + BC7_MODE_PRIO_CODE(3, 1, 7), + BC7_MODE_PRIO_CODE(4, 0, 9), + BC7_MODE_PRIO_CODE(2, 1, 8), + BC7_MODE_PRIO_CODE(4, 0, 1), + BC7_MODE_PRIO_CODE(3, 0, 12), + BC7_MODE_PRIO_CODE(4, 0, 5), + BC7_MODE_PRIO_CODE(3, 1, 6), + BC7_MODE_PRIO_CODE(4, 1, 14), + BC7_MODE_PRIO_CODE(1, 3, 15), + BC7_MODE_PRIO_CODE(1, 1, 56), + BC7_MODE_PRIO_CODE(3, 0, 6), + BC7_MODE_PRIO_CODE(3, 0, 2), + BC7_MODE_PRIO_CODE(1, 1, 32), + BC7_MODE_PRIO_CODE(4, 1, 10), + BC7_MODE_PRIO_CODE(1, 2, 8), + BC7_MODE_PRIO_CODE(2, 1, 9), + BC7_MODE_PRIO_CODE(1, 2, 18), + BC7_MODE_PRIO_CODE(4, 1, 15), + BC7_MODE_PRIO_CODE(4, 0, 6), + BC7_MODE_PRIO_CODE(3, 1, 29), + BC7_MODE_PRIO_CODE(2, 1, 25), + BC7_MODE_PRIO_CODE(3, 4, 31), + BC7_MODE_PRIO_CODE(3, 3, 13), + BC7_MODE_PRIO_CODE(4, 0, 0), + BC7_MODE_PRIO_CODE(3, 1, 19), + BC7_MODE_PRIO_CODE(4, 0, 12), + BC7_MODE_PRIO_CODE(4, 1, 1), + BC7_MODE_PRIO_CODE(4, 0, 2), + BC7_MODE_PRIO_CODE(1, 3, 2), + BC7_MODE_PRIO_CODE(1, 2, 13), + BC7_MODE_PRIO_CODE(1, 1, 58), + BC7_MODE_PRIO_CODE(1, 3, 14), + BC7_MODE_PRIO_CODE(4, 1, 3), + BC7_MODE_PRIO_CODE(3, 1, 21), + BC7_MODE_PRIO_CODE(2, 2, 8), + BC7_MODE_PRIO_CODE(1, 2, 19), + BC7_MODE_PRIO_CODE(4, 1, 16), + BC7_MODE_PRIO_CODE(4, 1, 2), + BC7_MODE_PRIO_CODE(2, 2, 16), + BC7_MODE_PRIO_CODE(2, 2, 10), + BC7_MODE_PRIO_CODE(2, 1, 20), + BC7_MODE_PRIO_CODE(1, 2, 11), + BC7_MODE_PRIO_CODE(1, 1, 54), + BC7_MODE_PRIO_CODE(1, 1, 47), + BC7_MODE_PRIO_CODE(1, 3, 1), + BC7_MODE_PRIO_CODE(1, 2, 21), + BC7_MODE_PRIO_CODE(1, 2, 62), + BC7_MODE_PRIO_CODE(2, 2, 11), + BC7_MODE_PRIO_CODE(3, 1, 26), + BC7_MODE_PRIO_CODE(1, 1, 53), + BC7_MODE_PRIO_CODE(2, 1, 35), + BC7_MODE_PRIO_CODE(2, 2, 13), + BC7_MODE_PRIO_CODE(4, 1, 23), + BC7_MODE_PRIO_CODE(4, 1, 6), + BC7_MODE_PRIO_CODE(4, 1, 7), + BC7_MODE_PRIO_CODE(1, 2, 25), + BC7_MODE_PRIO_CODE(1, 1, 57), + BC7_MODE_PRIO_CODE(2, 1, 60), + BC7_MODE_PRIO_CODE(1, 2, 20), + BC7_MODE_PRIO_CODE(3, 1, 8), + BC7_MODE_PRIO_CODE(4, 1, 29), + BC7_MODE_PRIO_CODE(4, 1, 19), + BC7_MODE_PRIO_CODE(3, 2, 8), + BC7_MODE_PRIO_CODE(2, 4, 11), + BC7_MODE_PRIO_CODE(4, 1, 21), + BC7_MODE_PRIO_CODE(3, 2, 10), + BC7_MODE_PRIO_CODE(2, 1, 61), + BC7_MODE_PRIO_CODE(2, 1, 30), + BC7_MODE_PRIO_CODE(3, 1, 12), + BC7_MODE_PRIO_CODE(3, 1, 11), + BC7_MODE_PRIO_CODE(2, 1, 63), + BC7_MODE_PRIO_CODE(2, 3, 1), + BC7_MODE_PRIO_CODE(2, 1, 28), + BC7_MODE_PRIO_CODE(2, 1, 62), + BC7_MODE_PRIO_CODE(3, 2, 13), + BC7_MODE_PRIO_CODE(2, 2, 63), + BC7_MODE_PRIO_CODE(2, 1, 33), + BC7_MODE_PRIO_CODE(2, 4, 10), + BC7_MODE_PRIO_CODE(3, 1, 18), + BC7_MODE_PRIO_CODE(2, 5, 30), + BC7_MODE_PRIO_CODE(3, 1, 5), + BC7_MODE_PRIO_CODE(2, 2, 17), + BC7_MODE_PRIO_CODE(1, 1, 55), + BC7_MODE_PRIO_CODE(3, 1, 17), + BC7_MODE_PRIO_CODE(2, 3, 2), + BC7_MODE_PRIO_CODE(1, 4, 21), + BC7_MODE_PRIO_CODE(3, 2, 11), + BC7_MODE_PRIO_CODE(4, 1, 11), + BC7_MODE_PRIO_CODE(2, 1, 27), + BC7_MODE_PRIO_CODE(1, 2, 59), + BC7_MODE_PRIO_CODE(4, 1, 26), + BC7_MODE_PRIO_CODE(3, 1, 9), + BC7_MODE_PRIO_CODE(2, 3, 14), + BC7_MODE_PRIO_CODE(3, 1, 4), + BC7_MODE_PRIO_CODE(3, 1, 24), + BC7_MODE_PRIO_CODE(3, 1, 25), + BC7_MODE_PRIO_CODE(3, 3, 0), + BC7_MODE_PRIO_CODE(3, 4, 11), + BC7_MODE_PRIO_CODE(4, 1, 12), + BC7_MODE_PRIO_CODE(2, 1, 32), + BC7_MODE_PRIO_CODE(2, 3, 15), + BC7_MODE_PRIO_CODE(4, 2, 10), + BC7_MODE_PRIO_CODE(1, 2, 60), + BC7_MODE_PRIO_CODE(1, 2, 32), + BC7_MODE_PRIO_CODE(1, 1, 40), + BC7_MODE_PRIO_CODE(4, 1, 18), + BC7_MODE_PRIO_CODE(2, 1, 59), + BC7_MODE_PRIO_CODE(4, 1, 5), + BC7_MODE_PRIO_CODE(3, 1, 22), + BC7_MODE_PRIO_CODE(3, 2, 16), + BC7_MODE_PRIO_CODE(3, 1, 20), + BC7_MODE_PRIO_CODE(4, 1, 4), + BC7_MODE_PRIO_CODE(2, 1, 31), + BC7_MODE_PRIO_CODE(4, 1, 17), + BC7_MODE_PRIO_CODE(1, 2, 24), + BC7_MODE_PRIO_CODE(4, 1, 24), + BC7_MODE_PRIO_CODE(2, 1, 58), + BC7_MODE_PRIO_CODE(4, 2, 8), + BC7_MODE_PRIO_CODE(1, 2, 22), + BC7_MODE_PRIO_CODE(1, 2, 23), + BC7_MODE_PRIO_CODE(1, 3, 10), + BC7_MODE_PRIO_CODE(1, 1, 41), + BC7_MODE_PRIO_CODE(2, 2, 18), + BC7_MODE_PRIO_CODE(4, 1, 25), + BC7_MODE_PRIO_CODE(3, 1, 61), + BC7_MODE_PRIO_CODE(1, 3, 29), + BC7_MODE_PRIO_CODE(1, 2, 57), + BC7_MODE_PRIO_CODE(2, 2, 19), + BC7_MODE_PRIO_CODE(1, 2, 53), + BC7_MODE_PRIO_CODE(1, 2, 55), + BC7_MODE_PRIO_CODE(3, 2, 63), + BC7_MODE_PRIO_CODE(3, 1, 60), + BC7_MODE_PRIO_CODE(4, 1, 8), + BC7_MODE_PRIO_CODE(2, 1, 56), + BC7_MODE_PRIO_CODE(3, 1, 35), + BC7_MODE_PRIO_CODE(4, 4, 31), + BC7_MODE_PRIO_CODE(4, 1, 9), + BC7_MODE_PRIO_CODE(1, 1, 46), + BC7_MODE_PRIO_CODE(1, 2, 58), + BC7_MODE_PRIO_CODE(2, 3, 29), + BC7_MODE_PRIO_CODE(1, 1, 45), + BC7_MODE_PRIO_CODE(4, 2, 13), + BC7_MODE_PRIO_CODE(1, 1, 42), + BC7_MODE_PRIO_CODE(1, 3, 3), + BC7_MODE_PRIO_CODE(4, 2, 11), + BC7_MODE_PRIO_CODE(3, 1, 63), + BC7_MODE_PRIO_CODE(3, 1, 30), + BC7_MODE_PRIO_CODE(1, 1, 36), + BC7_MODE_PRIO_CODE(3, 1, 62), + BC7_MODE_PRIO_CODE(1, 1, 43), + BC7_MODE_PRIO_CODE(1, 3, 21), + BC7_MODE_PRIO_CODE(3, 2, 17), + BC7_MODE_PRIO_CODE(1, 2, 14), + BC7_MODE_PRIO_CODE(1, 1, 48), + BC7_MODE_PRIO_CODE(2, 1, 57), + BC7_MODE_PRIO_CODE(2, 1, 52), + BC7_MODE_PRIO_CODE(1, 2, 61), + BC7_MODE_PRIO_CODE(3, 1, 33), + BC7_MODE_PRIO_CODE(1, 1, 51), + BC7_MODE_PRIO_CODE(4, 1, 20), + BC7_MODE_PRIO_CODE(1, 3, 8), + BC7_MODE_PRIO_CODE(4, 1, 22), + BC7_MODE_PRIO_CODE(1, 3, 19), + BC7_MODE_PRIO_CODE(1, 2, 36), + BC7_MODE_PRIO_CODE(2, 5, 10), + BC7_MODE_PRIO_CODE(3, 1, 28), + BC7_MODE_PRIO_CODE(2, 2, 14), + BC7_MODE_PRIO_CODE(1, 1, 49), + BC7_MODE_PRIO_CODE(1, 2, 33), + BC7_MODE_PRIO_CODE(1, 3, 9), + BC7_MODE_PRIO_CODE(2, 2, 20), + BC7_MODE_PRIO_CODE(1, 3, 26), + BC7_MODE_PRIO_CODE(2, 1, 53), + BC7_MODE_PRIO_CODE(4, 3, 13), + BC7_MODE_PRIO_CODE(2, 2, 21), + BC7_MODE_PRIO_CODE(3, 4, 10), + BC7_MODE_PRIO_CODE(4, 1, 60), + BC7_MODE_PRIO_CODE(2, 1, 54), + BC7_MODE_PRIO_CODE(1, 2, 29), + BC7_MODE_PRIO_CODE(2, 1, 47), + BC7_MODE_PRIO_CODE(1, 2, 52), + BC7_MODE_PRIO_CODE(3, 1, 32), + BC7_MODE_PRIO_CODE(1, 2, 40), + BC7_MODE_PRIO_CODE(1, 2, 31), + BC7_MODE_PRIO_CODE(3, 1, 27), + BC7_MODE_PRIO_CODE(3, 2, 18), + BC7_MODE_PRIO_CODE(2, 3, 10), + BC7_MODE_PRIO_CODE(2, 1, 55), + BC7_MODE_PRIO_CODE(4, 1, 61), + BC7_MODE_PRIO_CODE(3, 2, 14), + BC7_MODE_PRIO_CODE(3, 1, 31), + BC7_MODE_PRIO_CODE(1, 2, 34), + BC7_MODE_PRIO_CODE(3, 2, 19), + BC7_MODE_PRIO_CODE(2, 3, 21), + BC7_MODE_PRIO_CODE(2, 4, 30), + BC7_MODE_PRIO_CODE(1, 2, 15), + BC7_MODE_PRIO_CODE(2, 3, 26), + BC7_MODE_PRIO_CODE(1, 2, 28), + BC7_MODE_PRIO_CODE(4, 2, 16), + BC7_MODE_PRIO_CODE(2, 2, 15), + BC7_MODE_PRIO_CODE(2, 1, 40), + BC7_MODE_PRIO_CODE(2, 2, 22), + BC7_MODE_PRIO_CODE(4, 1, 33), + BC7_MODE_PRIO_CODE(1, 3, 7), + BC7_MODE_PRIO_CODE(1, 1, 50), + BC7_MODE_PRIO_CODE(2, 1, 41), + BC7_MODE_PRIO_CODE(1, 2, 9), + BC7_MODE_PRIO_CODE(1, 2, 39), + BC7_MODE_PRIO_CODE(2, 2, 25), + BC7_MODE_PRIO_CODE(1, 3, 6), + BC7_MODE_PRIO_CODE(3, 2, 21), + BC7_MODE_PRIO_CODE(1, 1, 37), + BC7_MODE_PRIO_CODE(2, 2, 58), + BC7_MODE_PRIO_CODE(3, 3, 29), + BC7_MODE_PRIO_CODE(4, 1, 62), + BC7_MODE_PRIO_CODE(1, 2, 35), + BC7_MODE_PRIO_CODE(3, 1, 59), + BC7_MODE_PRIO_CODE(4, 1, 28), + BC7_MODE_PRIO_CODE(1, 3, 23), + BC7_MODE_PRIO_CODE(4, 1, 30), + BC7_MODE_PRIO_CODE(2, 1, 45), + BC7_MODE_PRIO_CODE(1, 3, 16), + BC7_MODE_PRIO_CODE(4, 1, 35), + BC7_MODE_PRIO_CODE(2, 1, 46), + BC7_MODE_PRIO_CODE(1, 2, 38), + BC7_MODE_PRIO_CODE(4, 1, 63), + BC7_MODE_PRIO_CODE(1, 3, 22), + BC7_MODE_PRIO_CODE(1, 2, 30), + BC7_MODE_PRIO_CODE(2, 2, 31), + BC7_MODE_PRIO_CODE(1, 3, 20), + BC7_MODE_PRIO_CODE(2, 2, 9), + BC7_MODE_PRIO_CODE(2, 3, 3), + BC7_MODE_PRIO_CODE(3, 2, 22), + BC7_MODE_PRIO_CODE(2, 1, 42), + BC7_MODE_PRIO_CODE(2, 2, 62), + BC7_MODE_PRIO_CODE(3, 2, 20), + BC7_MODE_PRIO_CODE(4, 1, 32), + BC7_MODE_PRIO_CODE(2, 1, 43), + BC7_MODE_PRIO_CODE(3, 1, 58), + BC7_MODE_PRIO_CODE(2, 3, 19), + BC7_MODE_PRIO_CODE(2, 2, 32), + BC7_MODE_PRIO_CODE(2, 2, 57), + BC7_MODE_PRIO_CODE(4, 1, 27), + BC7_MODE_PRIO_CODE(2, 2, 34), + BC7_MODE_PRIO_CODE(4, 1, 58), + BC7_MODE_PRIO_CODE(1, 2, 12), + BC7_MODE_PRIO_CODE(2, 2, 12), + BC7_MODE_PRIO_CODE(1, 4, 20), + BC7_MODE_PRIO_CODE(1, 2, 56), + BC7_MODE_PRIO_CODE(2, 1, 48), + BC7_MODE_PRIO_CODE(2, 1, 36), + BC7_MODE_PRIO_CODE(4, 3, 0), + BC7_MODE_PRIO_CODE(2, 2, 24), + BC7_MODE_PRIO_CODE(3, 1, 40), + BC7_MODE_PRIO_CODE(3, 2, 9), + BC7_MODE_PRIO_CODE(3, 1, 56), + BC7_MODE_PRIO_CODE(3, 2, 15), + BC7_MODE_PRIO_CODE(2, 3, 7), + BC7_MODE_PRIO_CODE(1, 2, 37), + BC7_MODE_PRIO_CODE(2, 2, 35), + BC7_MODE_PRIO_CODE(3, 1, 52), + BC7_MODE_PRIO_CODE(2, 3, 6), + BC7_MODE_PRIO_CODE(3, 1, 57), + BC7_MODE_PRIO_CODE(4, 1, 31), + BC7_MODE_PRIO_CODE(4, 4, 11), + BC7_MODE_PRIO_CODE(1, 1, 44), + BC7_MODE_PRIO_CODE(3, 3, 1), + BC7_MODE_PRIO_CODE(1, 2, 54), + BC7_MODE_PRIO_CODE(2, 1, 50), + BC7_MODE_PRIO_CODE(3, 3, 15), + BC7_MODE_PRIO_CODE(2, 1, 51), + BC7_MODE_PRIO_CODE(1, 2, 27), + BC7_MODE_PRIO_CODE(3, 4, 30), + BC7_MODE_PRIO_CODE(3, 3, 14), + BC7_MODE_PRIO_CODE(3, 2, 25), + BC7_MODE_PRIO_CODE(2, 3, 9), + BC7_MODE_PRIO_CODE(2, 2, 60), + BC7_MODE_PRIO_CODE(2, 1, 49), + BC7_MODE_PRIO_CODE(1, 2, 6), + BC7_MODE_PRIO_CODE(2, 2, 23), + BC7_MODE_PRIO_CODE(3, 2, 12), + BC7_MODE_PRIO_CODE(3, 3, 2), + BC7_MODE_PRIO_CODE(4, 2, 14), + BC7_MODE_PRIO_CODE(2, 3, 16), + BC7_MODE_PRIO_CODE(1, 2, 51), + BC7_MODE_PRIO_CODE(1, 3, 11), + BC7_MODE_PRIO_CODE(1, 2, 4), + BC7_MODE_PRIO_CODE(4, 2, 17), + BC7_MODE_PRIO_CODE(1, 3, 12), + BC7_MODE_PRIO_CODE(3, 1, 43), + BC7_MODE_PRIO_CODE(2, 4, 21), + BC7_MODE_PRIO_CODE(4, 1, 56), + BC7_MODE_PRIO_CODE(3, 1, 53), + BC7_MODE_PRIO_CODE(3, 1, 47), + BC7_MODE_PRIO_CODE(2, 2, 61), + BC7_MODE_PRIO_CODE(2, 2, 55), + BC7_MODE_PRIO_CODE(2, 3, 23), + BC7_MODE_PRIO_CODE(3, 1, 42), + BC7_MODE_PRIO_CODE(2, 3, 8), + BC7_MODE_PRIO_CODE(3, 1, 55), + BC7_MODE_PRIO_CODE(4, 1, 59), + BC7_MODE_PRIO_CODE(3, 2, 60), + BC7_MODE_PRIO_CODE(2, 3, 20), + BC7_MODE_PRIO_CODE(3, 2, 57), + BC7_MODE_PRIO_CODE(3, 1, 54), + BC7_MODE_PRIO_CODE(3, 2, 35), + BC7_MODE_PRIO_CODE(1, 1, 38), + BC7_MODE_PRIO_CODE(1, 2, 5), + BC7_MODE_PRIO_CODE(2, 2, 5), + BC7_MODE_PRIO_CODE(2, 2, 6), + BC7_MODE_PRIO_CODE(3, 2, 23), + BC7_MODE_PRIO_CODE(2, 2, 59), + BC7_MODE_PRIO_CODE(3, 2, 5), + BC7_MODE_PRIO_CODE(4, 1, 42), + BC7_MODE_PRIO_CODE(2, 1, 37), + BC7_MODE_PRIO_CODE(3, 2, 59), + BC7_MODE_PRIO_CODE(4, 2, 9), + BC7_MODE_PRIO_CODE(2, 2, 4), + BC7_MODE_PRIO_CODE(2, 2, 56), + BC7_MODE_PRIO_CODE(1, 3, 33), + BC7_MODE_PRIO_CODE(2, 3, 33), + BC7_MODE_PRIO_CODE(2, 3, 22), + BC7_MODE_PRIO_CODE(2, 3, 12), + BC7_MODE_PRIO_CODE(4, 1, 40), + BC7_MODE_PRIO_CODE(3, 2, 34), + BC7_MODE_PRIO_CODE(3, 2, 56), + BC7_MODE_PRIO_CODE(3, 3, 26), + BC7_MODE_PRIO_CODE(1, 2, 7), + BC7_MODE_PRIO_CODE(2, 2, 7), + BC7_MODE_PRIO_CODE(3, 2, 7), + BC7_MODE_PRIO_CODE(2, 2, 36), + BC7_MODE_PRIO_CODE(3, 2, 36), + BC7_MODE_PRIO_CODE(4, 1, 52), + BC7_MODE_PRIO_CODE(2, 2, 33), + BC7_MODE_PRIO_CODE(3, 1, 45), + BC7_MODE_PRIO_CODE(1, 3, 4), + BC7_MODE_PRIO_CODE(4, 2, 15), + BC7_MODE_PRIO_CODE(3, 1, 41), + BC7_MODE_PRIO_CODE(2, 2, 54), + BC7_MODE_PRIO_CODE(3, 2, 4), + BC7_MODE_PRIO_CODE(2, 5, 20), + BC7_MODE_PRIO_CODE(3, 2, 62), + BC7_MODE_PRIO_CODE(1, 3, 35), + BC7_MODE_PRIO_CODE(4, 1, 41), + BC7_MODE_PRIO_CODE(3, 2, 6), + BC7_MODE_PRIO_CODE(2, 2, 52), + BC7_MODE_PRIO_CODE(3, 1, 46), + BC7_MODE_PRIO_CODE(1, 1, 39), + BC7_MODE_PRIO_CODE(3, 2, 33), + BC7_MODE_PRIO_CODE(1, 3, 5), + BC7_MODE_PRIO_CODE(3, 1, 48), + BC7_MODE_PRIO_CODE(3, 2, 24), + BC7_MODE_PRIO_CODE(3, 2, 32), + BC7_MODE_PRIO_CODE(3, 3, 33), + BC7_MODE_PRIO_CODE(1, 3, 17), + BC7_MODE_PRIO_CODE(4, 1, 57), + BC7_MODE_PRIO_CODE(1, 3, 25), + BC7_MODE_PRIO_CODE(2, 3, 11), + BC7_MODE_PRIO_CODE(1, 3, 61), + BC7_MODE_PRIO_CODE(4, 1, 43), + BC7_MODE_PRIO_CODE(1, 3, 60), + BC7_MODE_PRIO_CODE(2, 3, 60), + BC7_MODE_PRIO_CODE(2, 2, 28), + BC7_MODE_PRIO_CODE(3, 2, 28), + BC7_MODE_PRIO_CODE(4, 1, 55), + BC7_MODE_PRIO_CODE(2, 3, 5), + BC7_MODE_PRIO_CODE(3, 1, 51), + BC7_MODE_PRIO_CODE(4, 1, 53), + BC7_MODE_PRIO_CODE(4, 1, 54), + BC7_MODE_PRIO_CODE(1, 3, 32), + BC7_MODE_PRIO_CODE(1, 3, 24), + BC7_MODE_PRIO_CODE(4, 1, 47), + BC7_MODE_PRIO_CODE(2, 2, 51), + BC7_MODE_PRIO_CODE(4, 2, 12), + BC7_MODE_PRIO_CODE(2, 3, 61), + BC7_MODE_PRIO_CODE(3, 4, 21), + BC7_MODE_PRIO_CODE(2, 3, 32), + BC7_MODE_PRIO_CODE(3, 1, 36), + BC7_MODE_PRIO_CODE(3, 1, 49), + BC7_MODE_PRIO_CODE(1, 3, 18), + BC7_MODE_PRIO_CODE(4, 3, 29), + BC7_MODE_PRIO_CODE(4, 2, 63), + BC7_MODE_PRIO_CODE(2, 2, 27), + BC7_MODE_PRIO_CODE(2, 3, 17), + BC7_MODE_PRIO_CODE(3, 1, 50), + BC7_MODE_PRIO_CODE(3, 2, 61), + BC7_MODE_PRIO_CODE(1, 3, 63), + BC7_MODE_PRIO_CODE(2, 3, 63), + BC7_MODE_PRIO_CODE(3, 2, 27), + BC7_MODE_PRIO_CODE(4, 1, 46), + BC7_MODE_PRIO_CODE(1, 2, 26), + BC7_MODE_PRIO_CODE(2, 3, 4), + BC7_MODE_PRIO_CODE(2, 3, 18), + BC7_MODE_PRIO_CODE(4, 1, 45), + BC7_MODE_PRIO_CODE(4, 1, 51), + BC7_MODE_PRIO_CODE(1, 2, 1), + BC7_MODE_PRIO_CODE(4, 2, 6), + BC7_MODE_PRIO_CODE(1, 3, 62), + BC7_MODE_PRIO_CODE(2, 3, 62), + BC7_MODE_PRIO_CODE(2, 1, 44), + BC7_MODE_PRIO_CODE(4, 1, 49), + BC7_MODE_PRIO_CODE(3, 5, 30), + BC7_MODE_PRIO_CODE(2, 3, 25), + BC7_MODE_PRIO_CODE(1, 2, 49), + BC7_MODE_PRIO_CODE(4, 1, 48), + BC7_MODE_PRIO_CODE(3, 3, 3), + BC7_MODE_PRIO_CODE(3, 1, 37), + BC7_MODE_PRIO_CODE(1, 2, 0), + BC7_MODE_PRIO_CODE(2, 2, 0), + BC7_MODE_PRIO_CODE(2, 3, 35), + BC7_MODE_PRIO_CODE(2, 3, 24), + BC7_MODE_PRIO_CODE(2, 2, 53), + BC7_MODE_PRIO_CODE(3, 2, 53), + BC7_MODE_PRIO_CODE(4, 2, 59), + BC7_MODE_PRIO_CODE(3, 3, 10), + BC7_MODE_PRIO_CODE(1, 2, 3), + BC7_MODE_PRIO_CODE(2, 2, 3), + BC7_MODE_PRIO_CODE(3, 2, 3), + BC7_MODE_PRIO_CODE(3, 3, 32), + BC7_MODE_PRIO_CODE(1, 2, 46), + BC7_MODE_PRIO_CODE(4, 2, 62), + BC7_MODE_PRIO_CODE(4, 2, 60), + BC7_MODE_PRIO_CODE(2, 2, 30), + BC7_MODE_PRIO_CODE(1, 3, 47), + BC7_MODE_PRIO_CODE(4, 2, 36), + BC7_MODE_PRIO_CODE(2, 2, 1), + BC7_MODE_PRIO_CODE(3, 2, 1), + BC7_MODE_PRIO_CODE(3, 2, 58), + BC7_MODE_PRIO_CODE(4, 1, 36), + BC7_MODE_PRIO_CODE(3, 3, 16), + BC7_MODE_PRIO_CODE(2, 3, 47), + BC7_MODE_PRIO_CODE(2, 2, 39), + BC7_MODE_PRIO_CODE(4, 1, 50), + BC7_MODE_PRIO_CODE(4, 2, 21), + BC7_MODE_PRIO_CODE(2, 1, 38), + BC7_MODE_PRIO_CODE(4, 4, 21), + BC7_MODE_PRIO_CODE(3, 3, 23), + BC7_MODE_PRIO_CODE(1, 2, 43), + BC7_MODE_PRIO_CODE(1, 2, 41), + BC7_MODE_PRIO_CODE(2, 2, 41), + BC7_MODE_PRIO_CODE(1, 3, 28), + BC7_MODE_PRIO_CODE(4, 2, 35), + BC7_MODE_PRIO_CODE(4, 3, 26), + BC7_MODE_PRIO_CODE(1, 3, 59), + BC7_MODE_PRIO_CODE(1, 1, 34), + BC7_MODE_PRIO_CODE(2, 2, 29), + BC7_MODE_PRIO_CODE(3, 2, 29), + BC7_MODE_PRIO_CODE(3, 2, 52), + BC7_MODE_PRIO_CODE(1, 3, 58), + BC7_MODE_PRIO_CODE(4, 5, 30), + BC7_MODE_PRIO_CODE(4, 3, 33), + BC7_MODE_PRIO_CODE(3, 2, 30), + BC7_MODE_PRIO_CODE(1, 2, 44), + BC7_MODE_PRIO_CODE(1, 2, 2), + BC7_MODE_PRIO_CODE(2, 2, 2), + BC7_MODE_PRIO_CODE(3, 2, 2), + BC7_MODE_PRIO_CODE(1, 2, 47), + BC7_MODE_PRIO_CODE(2, 2, 47), + BC7_MODE_PRIO_CODE(3, 3, 7), + BC7_MODE_PRIO_CODE(2, 3, 58), + BC7_MODE_PRIO_CODE(3, 2, 55), + BC7_MODE_PRIO_CODE(4, 2, 4), + BC7_MODE_PRIO_CODE(3, 2, 0), + BC7_MODE_PRIO_CODE(1, 3, 31), + BC7_MODE_PRIO_CODE(3, 2, 31), + BC7_MODE_PRIO_CODE(3, 3, 12), + BC7_MODE_PRIO_CODE(3, 2, 51), + BC7_MODE_PRIO_CODE(2, 1, 39), + BC7_MODE_PRIO_CODE(1, 3, 48), + BC7_MODE_PRIO_CODE(1, 3, 27), + BC7_MODE_PRIO_CODE(4, 2, 25), + BC7_MODE_PRIO_CODE(4, 2, 22), + BC7_MODE_PRIO_CODE(4, 2, 18), + BC7_MODE_PRIO_CODE(2, 2, 44), + BC7_MODE_PRIO_CODE(2, 3, 28), + BC7_MODE_PRIO_CODE(3, 1, 44), + BC7_MODE_PRIO_CODE(2, 1, 34), + BC7_MODE_PRIO_CODE(3, 5, 10), + BC7_MODE_PRIO_CODE(4, 4, 10), + BC7_MODE_PRIO_CODE(3, 2, 54), + BC7_MODE_PRIO_CODE(4, 2, 7), + BC7_MODE_PRIO_CODE(4, 2, 20), + BC7_MODE_PRIO_CODE(2, 2, 37), + BC7_MODE_PRIO_CODE(3, 3, 6), + BC7_MODE_PRIO_CODE(2, 2, 43), + BC7_MODE_PRIO_CODE(2, 3, 59), + BC7_MODE_PRIO_CODE(1, 3, 30), + BC7_MODE_PRIO_CODE(4, 2, 5), + BC7_MODE_PRIO_CODE(4, 2, 61), + BC7_MODE_PRIO_CODE(4, 2, 19), + BC7_MODE_PRIO_CODE(4, 2, 23), + BC7_MODE_PRIO_CODE(3, 2, 39), + BC7_MODE_PRIO_CODE(2, 3, 27), + BC7_MODE_PRIO_CODE(1, 3, 57), + BC7_MODE_PRIO_CODE(2, 3, 57), + BC7_MODE_PRIO_CODE(3, 3, 21), + BC7_MODE_PRIO_CODE(3, 3, 11), + BC7_MODE_PRIO_CODE(3, 1, 39), + BC7_MODE_PRIO_CODE(2, 3, 48), + BC7_MODE_PRIO_CODE(4, 1, 37), + BC7_MODE_PRIO_CODE(3, 3, 19), + BC7_MODE_PRIO_CODE(3, 1, 38), + BC7_MODE_PRIO_CODE(2, 2, 38), + BC7_MODE_PRIO_CODE(2, 3, 31), + BC7_MODE_PRIO_CODE(2, 2, 40), + BC7_MODE_PRIO_CODE(3, 2, 40), + BC7_MODE_PRIO_CODE(1, 3, 56), + BC7_MODE_PRIO_CODE(4, 5, 10), + BC7_MODE_PRIO_CODE(2, 3, 56), + BC7_MODE_PRIO_CODE(4, 1, 38), + BC7_MODE_PRIO_CODE(1, 3, 41), + BC7_MODE_PRIO_CODE(1, 3, 50), + BC7_MODE_PRIO_CODE(2, 3, 30), + BC7_MODE_PRIO_CODE(3, 3, 8), + BC7_MODE_PRIO_CODE(4, 2, 24), + BC7_MODE_PRIO_CODE(3, 3, 9), + BC7_MODE_PRIO_CODE(3, 1, 34), + BC7_MODE_PRIO_CODE(4, 1, 34), + BC7_MODE_PRIO_CODE(2, 3, 50), + BC7_MODE_PRIO_CODE(1, 3, 43), + BC7_MODE_PRIO_CODE(1, 3, 40), + BC7_MODE_PRIO_CODE(1, 3, 51), + BC7_MODE_PRIO_CODE(2, 3, 51), + BC7_MODE_PRIO_CODE(1, 3, 45), + BC7_MODE_PRIO_CODE(2, 3, 45), + BC7_MODE_PRIO_CODE(2, 3, 40), + BC7_MODE_PRIO_CODE(3, 3, 20), + BC7_MODE_PRIO_CODE(2, 3, 41), + BC7_MODE_PRIO_CODE(3, 2, 44), + BC7_MODE_PRIO_CODE(2, 3, 43), + BC7_MODE_PRIO_CODE(4, 2, 57), + BC7_MODE_PRIO_CODE(2, 4, 20), + BC7_MODE_PRIO_CODE(3, 3, 4), + BC7_MODE_PRIO_CODE(3, 3, 61), + BC7_MODE_PRIO_CODE(1, 3, 46), + BC7_MODE_PRIO_CODE(2, 3, 46), + BC7_MODE_PRIO_CODE(4, 3, 1), + BC7_MODE_PRIO_CODE(3, 3, 22), + BC7_MODE_PRIO_CODE(1, 3, 49), + BC7_MODE_PRIO_CODE(2, 3, 49), + BC7_MODE_PRIO_CODE(4, 3, 15), + BC7_MODE_PRIO_CODE(3, 3, 5), + BC7_MODE_PRIO_CODE(4, 1, 44), + BC7_MODE_PRIO_CODE(4, 3, 14), + BC7_MODE_PRIO_CODE(4, 3, 2), + BC7_MODE_PRIO_CODE(3, 3, 60), + BC7_MODE_PRIO_CODE(1, 3, 53), + BC7_MODE_PRIO_CODE(2, 3, 53), + BC7_MODE_PRIO_CODE(4, 3, 32), + BC7_MODE_PRIO_CODE(3, 3, 24), + BC7_MODE_PRIO_CODE(3, 3, 63), + BC7_MODE_PRIO_CODE(3, 2, 37), + BC7_MODE_PRIO_CODE(1, 3, 52), + BC7_MODE_PRIO_CODE(2, 3, 52), + BC7_MODE_PRIO_CODE(4, 4, 30), + BC7_MODE_PRIO_CODE(4, 2, 34), + BC7_MODE_PRIO_CODE(1, 3, 54), + BC7_MODE_PRIO_CODE(3, 3, 62), + BC7_MODE_PRIO_CODE(3, 3, 18), + BC7_MODE_PRIO_CODE(3, 2, 41), + BC7_MODE_PRIO_CODE(4, 2, 58), + BC7_MODE_PRIO_CODE(1, 3, 42), + BC7_MODE_PRIO_CODE(2, 3, 42), + BC7_MODE_PRIO_CODE(4, 2, 0), + BC7_MODE_PRIO_CODE(4, 2, 55), + BC7_MODE_PRIO_CODE(2, 3, 54), + BC7_MODE_PRIO_CODE(3, 2, 47), + BC7_MODE_PRIO_CODE(4, 2, 53), + BC7_MODE_PRIO_CODE(3, 3, 25), + BC7_MODE_PRIO_CODE(3, 4, 20), + BC7_MODE_PRIO_CODE(4, 2, 33), + BC7_MODE_PRIO_CODE(1, 3, 55), + BC7_MODE_PRIO_CODE(2, 3, 55), + BC7_MODE_PRIO_CODE(4, 2, 32), + BC7_MODE_PRIO_CODE(3, 2, 43), + BC7_MODE_PRIO_CODE(3, 3, 17), + BC7_MODE_PRIO_CODE(3, 5, 20), + BC7_MODE_PRIO_CODE(4, 5, 20), + BC7_MODE_PRIO_CODE(1, 3, 36), + BC7_MODE_PRIO_CODE(2, 3, 36), + BC7_MODE_PRIO_CODE(4, 2, 54), + BC7_MODE_PRIO_CODE(2, 2, 49), + BC7_MODE_PRIO_CODE(3, 2, 49), + BC7_MODE_PRIO_CODE(4, 1, 39), + BC7_MODE_PRIO_CODE(4, 2, 3), + BC7_MODE_PRIO_CODE(3, 3, 35), + BC7_MODE_PRIO_CODE(4, 2, 52), + BC7_MODE_PRIO_CODE(4, 2, 1), + BC7_MODE_PRIO_CODE(1, 2, 50), + BC7_MODE_PRIO_CODE(4, 2, 49), + BC7_MODE_PRIO_CODE(4, 3, 16), + BC7_MODE_PRIO_CODE(2, 2, 50), + BC7_MODE_PRIO_CODE(3, 2, 50), + BC7_MODE_PRIO_CODE(4, 2, 31), + BC7_MODE_PRIO_CODE(4, 3, 3), + BC7_MODE_PRIO_CODE(1, 2, 48), + BC7_MODE_PRIO_CODE(2, 2, 48), + BC7_MODE_PRIO_CODE(3, 2, 48), + BC7_MODE_PRIO_CODE(3, 3, 28), + BC7_MODE_PRIO_CODE(4, 3, 9), + BC7_MODE_PRIO_CODE(1, 3, 38), + BC7_MODE_PRIO_CODE(4, 3, 10), + BC7_MODE_PRIO_CODE(3, 3, 31), + BC7_MODE_PRIO_CODE(4, 2, 51), + BC7_MODE_PRIO_CODE(1, 3, 37), + BC7_MODE_PRIO_CODE(2, 3, 37), + BC7_MODE_PRIO_CODE(3, 3, 50), + BC7_MODE_PRIO_CODE(2, 3, 38), + BC7_MODE_PRIO_CODE(4, 3, 20), + BC7_MODE_PRIO_CODE(3, 3, 41), + BC7_MODE_PRIO_CODE(3, 3, 56), + BC7_MODE_PRIO_CODE(4, 3, 6), + BC7_MODE_PRIO_CODE(4, 3, 8), + BC7_MODE_PRIO_CODE(4, 2, 37), + BC7_MODE_PRIO_CODE(3, 3, 58), + BC7_MODE_PRIO_CODE(3, 3, 59), + BC7_MODE_PRIO_CODE(4, 2, 56), + BC7_MODE_PRIO_CODE(1, 3, 39), + BC7_MODE_PRIO_CODE(2, 3, 39), + BC7_MODE_PRIO_CODE(4, 2, 43), + BC7_MODE_PRIO_CODE(1, 3, 44), + BC7_MODE_PRIO_CODE(2, 3, 44), + BC7_MODE_PRIO_CODE(4, 3, 7), + BC7_MODE_PRIO_CODE(3, 3, 27), + BC7_MODE_PRIO_CODE(4, 3, 23), + BC7_MODE_PRIO_CODE(3, 3, 45), + BC7_MODE_PRIO_CODE(4, 3, 22), + BC7_MODE_PRIO_CODE(3, 3, 30), + BC7_MODE_PRIO_CODE(3, 3, 48), + BC7_MODE_PRIO_CODE(3, 3, 51), + BC7_MODE_PRIO_CODE(1, 2, 42), + BC7_MODE_PRIO_CODE(2, 2, 42), + BC7_MODE_PRIO_CODE(3, 2, 42), + BC7_MODE_PRIO_CODE(4, 3, 19), + BC7_MODE_PRIO_CODE(4, 3, 21), + BC7_MODE_PRIO_CODE(2, 2, 46), + BC7_MODE_PRIO_CODE(3, 3, 36), + BC7_MODE_PRIO_CODE(4, 2, 28), + BC7_MODE_PRIO_CODE(3, 3, 49), + BC7_MODE_PRIO_CODE(3, 3, 53), + BC7_MODE_PRIO_CODE(3, 3, 55), + BC7_MODE_PRIO_CODE(2, 2, 26), + BC7_MODE_PRIO_CODE(3, 2, 26), + BC7_MODE_PRIO_CODE(4, 2, 30), + BC7_MODE_PRIO_CODE(3, 3, 52), + BC7_MODE_PRIO_CODE(4, 2, 41), + BC7_MODE_PRIO_CODE(4, 2, 29), + BC7_MODE_PRIO_CODE(1, 3, 34), + BC7_MODE_PRIO_CODE(2, 3, 34), + BC7_MODE_PRIO_CODE(4, 2, 44), + BC7_MODE_PRIO_CODE(3, 3, 43), + BC7_MODE_PRIO_CODE(4, 2, 47), + BC7_MODE_PRIO_CODE(4, 3, 18), + BC7_MODE_PRIO_CODE(4, 3, 17), + BC7_MODE_PRIO_CODE(3, 3, 47), + BC7_MODE_PRIO_CODE(4, 3, 11), + BC7_MODE_PRIO_CODE(3, 3, 57), + BC7_MODE_PRIO_CODE(3, 2, 38), + BC7_MODE_PRIO_CODE(3, 3, 46), + BC7_MODE_PRIO_CODE(4, 3, 25), + BC7_MODE_PRIO_CODE(4, 3, 4), + BC7_MODE_PRIO_CODE(3, 3, 42), + BC7_MODE_PRIO_CODE(4, 3, 61), + BC7_MODE_PRIO_CODE(4, 2, 48), + BC7_MODE_PRIO_CODE(4, 3, 5), + BC7_MODE_PRIO_CODE(3, 3, 54), + BC7_MODE_PRIO_CODE(4, 4, 20), + BC7_MODE_PRIO_CODE(4, 3, 24), + BC7_MODE_PRIO_CODE(4, 3, 12), + BC7_MODE_PRIO_CODE(4, 2, 40), + BC7_MODE_PRIO_CODE(3, 3, 40), + BC7_MODE_PRIO_CODE(3, 3, 44), + BC7_MODE_PRIO_CODE(4, 3, 63), + BC7_MODE_PRIO_CODE(4, 3, 50), + BC7_MODE_PRIO_CODE(4, 2, 50), + BC7_MODE_PRIO_CODE(4, 3, 60), + BC7_MODE_PRIO_CODE(4, 2, 39), + BC7_MODE_PRIO_CODE(4, 3, 62), + BC7_MODE_PRIO_CODE(4, 3, 49), + BC7_MODE_PRIO_CODE(4, 3, 58), + BC7_MODE_PRIO_CODE(4, 3, 47), + BC7_MODE_PRIO_CODE(4, 3, 56), + BC7_MODE_PRIO_CODE(4, 2, 26), + BC7_MODE_PRIO_CODE(4, 2, 27), + BC7_MODE_PRIO_CODE(3, 3, 37), + BC7_MODE_PRIO_CODE(4, 3, 57), + BC7_MODE_PRIO_CODE(4, 3, 48), + BC7_MODE_PRIO_CODE(4, 3, 31), + BC7_MODE_PRIO_CODE(4, 3, 51), + BC7_MODE_PRIO_CODE(4, 3, 28), + BC7_MODE_PRIO_CODE(4, 3, 53), + BC7_MODE_PRIO_CODE(3, 3, 39), + BC7_MODE_PRIO_CODE(4, 3, 40), + BC7_MODE_PRIO_CODE(4, 3, 27), + BC7_MODE_PRIO_CODE(4, 2, 2), + BC7_MODE_PRIO_CODE(3, 3, 34), + BC7_MODE_PRIO_CODE(4, 2, 38), + BC7_MODE_PRIO_CODE(4, 3, 54), + BC7_MODE_PRIO_CODE(3, 3, 38), + BC7_MODE_PRIO_CODE(4, 3, 52), + BC7_MODE_PRIO_CODE(4, 3, 30), + BC7_MODE_PRIO_CODE(4, 3, 59), + BC7_MODE_PRIO_CODE(1, 2, 45), + BC7_MODE_PRIO_CODE(4, 3, 45), + BC7_MODE_PRIO_CODE(4, 2, 42), + BC7_MODE_PRIO_CODE(4, 3, 35), + BC7_MODE_PRIO_CODE(4, 3, 41), + BC7_MODE_PRIO_CODE(3, 2, 46), + BC7_MODE_PRIO_CODE(4, 2, 46), + BC7_MODE_PRIO_CODE(4, 3, 46), + BC7_MODE_PRIO_CODE(2, 2, 45), + BC7_MODE_PRIO_CODE(4, 3, 43), + BC7_MODE_PRIO_CODE(4, 3, 37), + BC7_MODE_PRIO_CODE(4, 3, 38), + BC7_MODE_PRIO_CODE(4, 3, 36), + BC7_MODE_PRIO_CODE(4, 3, 42), + BC7_MODE_PRIO_CODE(4, 3, 34), + BC7_MODE_PRIO_CODE(4, 3, 39), + BC7_MODE_PRIO_CODE(4, 3, 55), + BC7_MODE_PRIO_CODE(4, 3, 44), + BC7_MODE_PRIO_CODE(3, 2, 45), + BC7_MODE_PRIO_CODE(1, 4, 0), + BC7_MODE_PRIO_CODE(1, 4, 1), + BC7_MODE_PRIO_CODE(1, 5, 0), + BC7_MODE_PRIO_CODE(4, 2, 45), + BC7_MODE_PRIO_CODE(2, 4, 0), + BC7_MODE_PRIO_CODE(2, 4, 1), + BC7_MODE_PRIO_CODE(2, 5, 0), + BC7_MODE_PRIO_CODE(3, 4, 0), + BC7_MODE_PRIO_CODE(3, 4, 1), + BC7_MODE_PRIO_CODE(3, 5, 0), + BC7_MODE_PRIO_CODE(4, 4, 0), + BC7_MODE_PRIO_CODE(4, 4, 1), + BC7_MODE_PRIO_CODE(4, 5, 0), + }; + + const uint16_t *g_bc7PrioCodesRGB = g_bc7PrioCodesRGBData; + const int g_bc7NumPrioCodesRGB = sizeof(g_bc7PrioCodesRGBData) / sizeof(g_bc7PrioCodesRGBData[0]); + + const uint16_t g_bc7PrioCodesRGBAData[] = + { + BC7_MODE_PRIO_CODE(1, 4, 1), + BC7_MODE_PRIO_CODE(1, 6, 0), + BC7_MODE_PRIO_CODE(1, 4, 31), + BC7_MODE_PRIO_CODE(1, 4, 11), + BC7_MODE_PRIO_CODE(1, 4, 0), + BC7_MODE_PRIO_CODE(1, 7, 13), + BC7_MODE_PRIO_CODE(1, 5, 0), + BC7_MODE_PRIO_CODE(1, 7, 0), + BC7_MODE_PRIO_CODE(2, 4, 1), + BC7_MODE_PRIO_CODE(3, 4, 1), + BC7_MODE_PRIO_CODE(2, 4, 0), + BC7_MODE_PRIO_CODE(2, 6, 0), + BC7_MODE_PRIO_CODE(1, 7, 6), + BC7_MODE_PRIO_CODE(1, 4, 10), + BC7_MODE_PRIO_CODE(1, 7, 15), + BC7_MODE_PRIO_CODE(1, 7, 14), + BC7_MODE_PRIO_CODE(1, 4, 30), + BC7_MODE_PRIO_CODE(1, 7, 7), + BC7_MODE_PRIO_CODE(3, 6, 0), + BC7_MODE_PRIO_CODE(1, 7, 19), + BC7_MODE_PRIO_CODE(3, 4, 0), + BC7_MODE_PRIO_CODE(2, 7, 13), + BC7_MODE_PRIO_CODE(1, 5, 30), + BC7_MODE_PRIO_CODE(1, 7, 2), + BC7_MODE_PRIO_CODE(1, 7, 1), + BC7_MODE_PRIO_CODE(1, 7, 21), + BC7_MODE_PRIO_CODE(4, 4, 1), + BC7_MODE_PRIO_CODE(1, 4, 21), + BC7_MODE_PRIO_CODE(2, 4, 31), + BC7_MODE_PRIO_CODE(1, 7, 10), + BC7_MODE_PRIO_CODE(1, 7, 3), + BC7_MODE_PRIO_CODE(4, 6, 0), + BC7_MODE_PRIO_CODE(3, 7, 13), + BC7_MODE_PRIO_CODE(1, 7, 16), + BC7_MODE_PRIO_CODE(1, 7, 8), + BC7_MODE_PRIO_CODE(2, 5, 0), + BC7_MODE_PRIO_CODE(2, 7, 0), + BC7_MODE_PRIO_CODE(1, 7, 23), + BC7_MODE_PRIO_CODE(1, 7, 9), + BC7_MODE_PRIO_CODE(2, 4, 11), + BC7_MODE_PRIO_CODE(3, 4, 31), + BC7_MODE_PRIO_CODE(1, 7, 20), + BC7_MODE_PRIO_CODE(1, 7, 22), + BC7_MODE_PRIO_CODE(4, 4, 0), + BC7_MODE_PRIO_CODE(1, 5, 10), + BC7_MODE_PRIO_CODE(4, 7, 13), + BC7_MODE_PRIO_CODE(3, 7, 0), + BC7_MODE_PRIO_CODE(1, 7, 12), + BC7_MODE_PRIO_CODE(1, 7, 29), + BC7_MODE_PRIO_CODE(3, 4, 11), + BC7_MODE_PRIO_CODE(1, 7, 11), + BC7_MODE_PRIO_CODE(1, 7, 18), + BC7_MODE_PRIO_CODE(1, 7, 4), + BC7_MODE_PRIO_CODE(2, 7, 15), + BC7_MODE_PRIO_CODE(2, 7, 14), + BC7_MODE_PRIO_CODE(1, 7, 5), + BC7_MODE_PRIO_CODE(1, 7, 25), + BC7_MODE_PRIO_CODE(1, 7, 17), + BC7_MODE_PRIO_CODE(1, 7, 24), + BC7_MODE_PRIO_CODE(1, 7, 26), + BC7_MODE_PRIO_CODE(3, 5, 0), + BC7_MODE_PRIO_CODE(2, 7, 2), + BC7_MODE_PRIO_CODE(1, 5, 20), + BC7_MODE_PRIO_CODE(2, 7, 1), + BC7_MODE_PRIO_CODE(2, 7, 29), + BC7_MODE_PRIO_CODE(2, 4, 10), + BC7_MODE_PRIO_CODE(4, 7, 0), + BC7_MODE_PRIO_CODE(2, 7, 6), + BC7_MODE_PRIO_CODE(2, 7, 7), + BC7_MODE_PRIO_CODE(3, 7, 14), + BC7_MODE_PRIO_CODE(3, 7, 15), + BC7_MODE_PRIO_CODE(4, 4, 31), + BC7_MODE_PRIO_CODE(2, 7, 21), + BC7_MODE_PRIO_CODE(2, 4, 30), + BC7_MODE_PRIO_CODE(2, 4, 21), + BC7_MODE_PRIO_CODE(3, 7, 29), + BC7_MODE_PRIO_CODE(2, 7, 19), + BC7_MODE_PRIO_CODE(2, 7, 10), + BC7_MODE_PRIO_CODE(3, 7, 1), + BC7_MODE_PRIO_CODE(4, 7, 29), + BC7_MODE_PRIO_CODE(3, 7, 7), + BC7_MODE_PRIO_CODE(1, 4, 20), + BC7_MODE_PRIO_CODE(3, 7, 2), + BC7_MODE_PRIO_CODE(2, 7, 16), + BC7_MODE_PRIO_CODE(2, 7, 3), + BC7_MODE_PRIO_CODE(2, 5, 30), + BC7_MODE_PRIO_CODE(2, 7, 23), + BC7_MODE_PRIO_CODE(3, 7, 6), + BC7_MODE_PRIO_CODE(2, 7, 12), + BC7_MODE_PRIO_CODE(1, 7, 61), + BC7_MODE_PRIO_CODE(4, 4, 11), + BC7_MODE_PRIO_CODE(3, 4, 10), + BC7_MODE_PRIO_CODE(3, 7, 10), + BC7_MODE_PRIO_CODE(2, 7, 8), + BC7_MODE_PRIO_CODE(2, 7, 22), + BC7_MODE_PRIO_CODE(2, 7, 26), + BC7_MODE_PRIO_CODE(3, 4, 30), + BC7_MODE_PRIO_CODE(2, 7, 9), + BC7_MODE_PRIO_CODE(3, 7, 19), + BC7_MODE_PRIO_CODE(2, 7, 25), + BC7_MODE_PRIO_CODE(3, 4, 21), + BC7_MODE_PRIO_CODE(2, 7, 24), + BC7_MODE_PRIO_CODE(1, 7, 60), + BC7_MODE_PRIO_CODE(2, 7, 11), + BC7_MODE_PRIO_CODE(2, 7, 18), + BC7_MODE_PRIO_CODE(2, 7, 17), + BC7_MODE_PRIO_CODE(2, 7, 4), + BC7_MODE_PRIO_CODE(2, 7, 5), + BC7_MODE_PRIO_CODE(3, 7, 3), + BC7_MODE_PRIO_CODE(3, 7, 16), + BC7_MODE_PRIO_CODE(3, 7, 26), + BC7_MODE_PRIO_CODE(3, 7, 21), + BC7_MODE_PRIO_CODE(1, 7, 62), + BC7_MODE_PRIO_CODE(2, 7, 20), + BC7_MODE_PRIO_CODE(3, 7, 23), + BC7_MODE_PRIO_CODE(1, 7, 33), + BC7_MODE_PRIO_CODE(2, 7, 33), + BC7_MODE_PRIO_CODE(3, 7, 33), + BC7_MODE_PRIO_CODE(4, 7, 33), + BC7_MODE_PRIO_CODE(3, 7, 11), + BC7_MODE_PRIO_CODE(3, 7, 12), + BC7_MODE_PRIO_CODE(4, 7, 26), + BC7_MODE_PRIO_CODE(3, 7, 25), + BC7_MODE_PRIO_CODE(1, 7, 63), + BC7_MODE_PRIO_CODE(2, 5, 10), + BC7_MODE_PRIO_CODE(3, 7, 8), + BC7_MODE_PRIO_CODE(4, 5, 0), + BC7_MODE_PRIO_CODE(3, 7, 24), + BC7_MODE_PRIO_CODE(3, 7, 22), + BC7_MODE_PRIO_CODE(3, 7, 9), + BC7_MODE_PRIO_CODE(1, 7, 32), + BC7_MODE_PRIO_CODE(2, 7, 61), + BC7_MODE_PRIO_CODE(3, 7, 4), + BC7_MODE_PRIO_CODE(3, 5, 30), + BC7_MODE_PRIO_CODE(3, 7, 20), + BC7_MODE_PRIO_CODE(1, 7, 35), + BC7_MODE_PRIO_CODE(4, 7, 14), + BC7_MODE_PRIO_CODE(3, 7, 5), + BC7_MODE_PRIO_CODE(3, 7, 18), + BC7_MODE_PRIO_CODE(1, 7, 30), + BC7_MODE_PRIO_CODE(1, 7, 43), + BC7_MODE_PRIO_CODE(4, 4, 21), + BC7_MODE_PRIO_CODE(4, 7, 15), + BC7_MODE_PRIO_CODE(3, 7, 17), + BC7_MODE_PRIO_CODE(2, 7, 32), + BC7_MODE_PRIO_CODE(3, 7, 32), + BC7_MODE_PRIO_CODE(2, 5, 20), + BC7_MODE_PRIO_CODE(4, 7, 1), + BC7_MODE_PRIO_CODE(4, 7, 2), + BC7_MODE_PRIO_CODE(1, 7, 28), + BC7_MODE_PRIO_CODE(1, 7, 54), + BC7_MODE_PRIO_CODE(4, 7, 32), + BC7_MODE_PRIO_CODE(1, 7, 27), + BC7_MODE_PRIO_CODE(4, 4, 10), + BC7_MODE_PRIO_CODE(3, 5, 10), + BC7_MODE_PRIO_CODE(2, 7, 60), + BC7_MODE_PRIO_CODE(2, 4, 20), + BC7_MODE_PRIO_CODE(2, 7, 63), + BC7_MODE_PRIO_CODE(4, 4, 30), + BC7_MODE_PRIO_CODE(2, 7, 62), + BC7_MODE_PRIO_CODE(1, 7, 41), + BC7_MODE_PRIO_CODE(1, 7, 58), + BC7_MODE_PRIO_CODE(3, 7, 60), + BC7_MODE_PRIO_CODE(1, 7, 40), + BC7_MODE_PRIO_CODE(1, 7, 55), + BC7_MODE_PRIO_CODE(2, 7, 35), + BC7_MODE_PRIO_CODE(4, 7, 8), + BC7_MODE_PRIO_CODE(4, 7, 6), + BC7_MODE_PRIO_CODE(1, 7, 53), + BC7_MODE_PRIO_CODE(4, 7, 9), + BC7_MODE_PRIO_CODE(3, 7, 61), + BC7_MODE_PRIO_CODE(3, 4, 20), + BC7_MODE_PRIO_CODE(4, 7, 22), + BC7_MODE_PRIO_CODE(4, 7, 20), + BC7_MODE_PRIO_CODE(3, 7, 62), + BC7_MODE_PRIO_CODE(4, 7, 7), + BC7_MODE_PRIO_CODE(1, 7, 42), + BC7_MODE_PRIO_CODE(1, 7, 52), + BC7_MODE_PRIO_CODE(4, 5, 30), + BC7_MODE_PRIO_CODE(1, 7, 56), + BC7_MODE_PRIO_CODE(1, 7, 31), + BC7_MODE_PRIO_CODE(3, 5, 20), + BC7_MODE_PRIO_CODE(1, 7, 48), + BC7_MODE_PRIO_CODE(2, 7, 28), + BC7_MODE_PRIO_CODE(3, 7, 28), + BC7_MODE_PRIO_CODE(4, 7, 19), + BC7_MODE_PRIO_CODE(3, 7, 35), + BC7_MODE_PRIO_CODE(1, 7, 59), + BC7_MODE_PRIO_CODE(2, 7, 30), + BC7_MODE_PRIO_CODE(3, 7, 63), + BC7_MODE_PRIO_CODE(4, 7, 21), + BC7_MODE_PRIO_CODE(4, 7, 10), + BC7_MODE_PRIO_CODE(4, 7, 3), + BC7_MODE_PRIO_CODE(1, 7, 47), + BC7_MODE_PRIO_CODE(1, 7, 37), + BC7_MODE_PRIO_CODE(4, 5, 10), + BC7_MODE_PRIO_CODE(4, 7, 23), + BC7_MODE_PRIO_CODE(1, 7, 57), + BC7_MODE_PRIO_CODE(4, 7, 17), + BC7_MODE_PRIO_CODE(1, 7, 45), + BC7_MODE_PRIO_CODE(4, 7, 24), + BC7_MODE_PRIO_CODE(4, 7, 60), + BC7_MODE_PRIO_CODE(1, 7, 50), + BC7_MODE_PRIO_CODE(2, 7, 41), + BC7_MODE_PRIO_CODE(4, 7, 25), + BC7_MODE_PRIO_CODE(3, 7, 30), + BC7_MODE_PRIO_CODE(2, 7, 59), + BC7_MODE_PRIO_CODE(2, 7, 55), + BC7_MODE_PRIO_CODE(4, 7, 18), + BC7_MODE_PRIO_CODE(4, 7, 12), + BC7_MODE_PRIO_CODE(4, 7, 5), + BC7_MODE_PRIO_CODE(3, 7, 59), + BC7_MODE_PRIO_CODE(1, 7, 51), + BC7_MODE_PRIO_CODE(4, 7, 16), + BC7_MODE_PRIO_CODE(4, 7, 11), + BC7_MODE_PRIO_CODE(2, 7, 58), + BC7_MODE_PRIO_CODE(3, 7, 41), + BC7_MODE_PRIO_CODE(4, 4, 20), + BC7_MODE_PRIO_CODE(4, 7, 4), + BC7_MODE_PRIO_CODE(1, 7, 49), + BC7_MODE_PRIO_CODE(2, 7, 27), + BC7_MODE_PRIO_CODE(3, 7, 27), + BC7_MODE_PRIO_CODE(4, 7, 62), + BC7_MODE_PRIO_CODE(3, 7, 58), + BC7_MODE_PRIO_CODE(4, 5, 20), + BC7_MODE_PRIO_CODE(2, 7, 53), + BC7_MODE_PRIO_CODE(3, 7, 53), + BC7_MODE_PRIO_CODE(2, 7, 40), + BC7_MODE_PRIO_CODE(3, 7, 40), + BC7_MODE_PRIO_CODE(2, 7, 31), + BC7_MODE_PRIO_CODE(3, 7, 31), + BC7_MODE_PRIO_CODE(4, 7, 61), + BC7_MODE_PRIO_CODE(1, 7, 36), + BC7_MODE_PRIO_CODE(4, 7, 63), + BC7_MODE_PRIO_CODE(1, 7, 46), + BC7_MODE_PRIO_CODE(3, 7, 55), + BC7_MODE_PRIO_CODE(2, 7, 52), + BC7_MODE_PRIO_CODE(2, 7, 56), + BC7_MODE_PRIO_CODE(2, 7, 42), + BC7_MODE_PRIO_CODE(2, 7, 37), + BC7_MODE_PRIO_CODE(2, 7, 57), + BC7_MODE_PRIO_CODE(3, 7, 57), + BC7_MODE_PRIO_CODE(2, 7, 45), + BC7_MODE_PRIO_CODE(4, 7, 57), + BC7_MODE_PRIO_CODE(2, 7, 49), + BC7_MODE_PRIO_CODE(3, 7, 42), + BC7_MODE_PRIO_CODE(2, 7, 43), + BC7_MODE_PRIO_CODE(3, 7, 43), + BC7_MODE_PRIO_CODE(4, 7, 28), + BC7_MODE_PRIO_CODE(2, 7, 48), + BC7_MODE_PRIO_CODE(3, 7, 52), + BC7_MODE_PRIO_CODE(3, 7, 49), + BC7_MODE_PRIO_CODE(4, 7, 59), + BC7_MODE_PRIO_CODE(4, 7, 40), + BC7_MODE_PRIO_CODE(4, 7, 27), + BC7_MODE_PRIO_CODE(3, 7, 45), + BC7_MODE_PRIO_CODE(4, 7, 55), + BC7_MODE_PRIO_CODE(3, 7, 56), + BC7_MODE_PRIO_CODE(4, 7, 42), + BC7_MODE_PRIO_CODE(2, 7, 54), + BC7_MODE_PRIO_CODE(3, 7, 54), + BC7_MODE_PRIO_CODE(4, 7, 54), + BC7_MODE_PRIO_CODE(2, 7, 47), + BC7_MODE_PRIO_CODE(3, 7, 47), + BC7_MODE_PRIO_CODE(4, 7, 43), + BC7_MODE_PRIO_CODE(4, 7, 31), + BC7_MODE_PRIO_CODE(3, 7, 37), + BC7_MODE_PRIO_CODE(3, 7, 48), + BC7_MODE_PRIO_CODE(4, 7, 48), + BC7_MODE_PRIO_CODE(4, 7, 45), + BC7_MODE_PRIO_CODE(4, 7, 47), + BC7_MODE_PRIO_CODE(2, 7, 36), + BC7_MODE_PRIO_CODE(1, 7, 44), + BC7_MODE_PRIO_CODE(4, 7, 35), + BC7_MODE_PRIO_CODE(4, 7, 58), + BC7_MODE_PRIO_CODE(3, 7, 36), + BC7_MODE_PRIO_CODE(2, 7, 50), + BC7_MODE_PRIO_CODE(3, 7, 50), + BC7_MODE_PRIO_CODE(4, 7, 50), + BC7_MODE_PRIO_CODE(4, 7, 52), + BC7_MODE_PRIO_CODE(1, 7, 39), + BC7_MODE_PRIO_CODE(1, 7, 34), + BC7_MODE_PRIO_CODE(1, 7, 38), + BC7_MODE_PRIO_CODE(2, 7, 38), + BC7_MODE_PRIO_CODE(3, 7, 38), + BC7_MODE_PRIO_CODE(4, 7, 30), + BC7_MODE_PRIO_CODE(2, 7, 51), + BC7_MODE_PRIO_CODE(4, 7, 41), + BC7_MODE_PRIO_CODE(4, 7, 53), + BC7_MODE_PRIO_CODE(2, 7, 46), + BC7_MODE_PRIO_CODE(3, 7, 46), + BC7_MODE_PRIO_CODE(4, 7, 49), + BC7_MODE_PRIO_CODE(4, 7, 56), + BC7_MODE_PRIO_CODE(4, 7, 37), + BC7_MODE_PRIO_CODE(2, 7, 44), + BC7_MODE_PRIO_CODE(3, 7, 44), + BC7_MODE_PRIO_CODE(4, 7, 36), + BC7_MODE_PRIO_CODE(2, 7, 39), + BC7_MODE_PRIO_CODE(2, 7, 34), + BC7_MODE_PRIO_CODE(4, 7, 38), + BC7_MODE_PRIO_CODE(3, 7, 51), + BC7_MODE_PRIO_CODE(4, 7, 51), + BC7_MODE_PRIO_CODE(4, 7, 46), + BC7_MODE_PRIO_CODE(4, 7, 44), + BC7_MODE_PRIO_CODE(3, 7, 39), + BC7_MODE_PRIO_CODE(3, 7, 34), + BC7_MODE_PRIO_CODE(4, 7, 39), + BC7_MODE_PRIO_CODE(4, 7, 34), + }; + + const uint16_t *g_bc7PrioCodesRGBA = g_bc7PrioCodesRGBAData; + const int g_bc7NumPrioCodesRGBA = sizeof(g_bc7PrioCodesRGBAData) / sizeof(g_bc7PrioCodesRGBA[0]); + + int UnpackMode(uint16_t packed) + { + return static_cast<int>((packed >> BC7_MODE_OFFSET_BITS) & ((1 << BC7_MODE_BITS) - 1)); + } + + int UnpackSeedPointCount(uint16_t packed) + { + return static_cast<int>((packed >> BC7_SEED_POINT_COUNT_OFFSET_BITS) & ((1 << BC7_SEED_POINT_COUNT_BITS) - 1)) + 1; + } + + int UnpackPartition(uint16_t packed) + { + return static_cast<int>((packed >> BC7_PARTITION_OFFSET_BITS) & ((1 << BC7_PARTITION_BITS) - 1)); + } + + int UnpackRotation(uint16_t packed) + { + return static_cast<int>((packed >> BC7_ROTATION_OFFSET_BITS) & ((1 << BC7_ROTATION_BITS) - 1)); + } + + int UnpackIndexSelector(uint16_t packed) + { + return static_cast<int>((packed >> BC7_INDEX_MODE_OFFSET_BITS) & ((1 << BC7_INDEX_MODE_BITS) - 1)); + } +}}} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_BC7_SingleColor.h b/thirdparty/cvtt/ConvectionKernels_BC7_SingleColor.h index b5564c0dab..b45ba5eca8 100644 --- a/thirdparty/cvtt/ConvectionKernels_BC7_SingleColor.h +++ b/thirdparty/cvtt/ConvectionKernels_BC7_SingleColor.h @@ -1,6 +1,8 @@ #pragma once #include <stdint.h> +// This file is generated by the MakeTables app. Do not edit this file manually. + namespace cvtt { namespace Tables { namespace BC7SC { struct TableEntry diff --git a/thirdparty/cvtt/ConvectionKernels_BCCommon.cpp b/thirdparty/cvtt/ConvectionKernels_BCCommon.cpp new file mode 100644 index 0000000000..be16d1db06 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_BCCommon.cpp @@ -0,0 +1,46 @@ +/* +Convection Texture Tools +Copyright (c) 2018-2019 Eric Lasota + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject +to the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +------------------------------------------------------------------------------------- + +Portions based on DirectX Texture Library (DirectXTex) + +Copyright (c) Microsoft Corporation. All rights reserved. +Licensed under the MIT License. + +http://go.microsoft.com/fwlink/?LinkId=248926 +*/ +#include "ConvectionKernels_Config.h" + +#if !defined(CVTT_SINGLE_FILE) || defined(CVTT_SINGLE_FILE_IMPL) + +#include "ConvectionKernels_BCCommon.h" + +int cvtt::Internal::BCCommon::TweakRoundsForRange(int range) +{ + if (range == 3) + return 3; + return 4; +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_BCCommon.h b/thirdparty/cvtt/ConvectionKernels_BCCommon.h new file mode 100644 index 0000000000..3e13151acd --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_BCCommon.h @@ -0,0 +1,104 @@ +#pragma once +#ifndef __CVTT_BCCOMMON_H__ +#define __CVTT_BCCOMMON_H__ + +#include "ConvectionKernels_AggregatedError.h" +#include "ConvectionKernels_ParallelMath.h" + +namespace cvtt +{ + namespace Internal + { + class BCCommon + { + public: + typedef ParallelMath::Float MFloat; + typedef ParallelMath::UInt16 MUInt16; + typedef ParallelMath::UInt15 MUInt15; + typedef ParallelMath::AInt16 MAInt16; + typedef ParallelMath::SInt16 MSInt16; + typedef ParallelMath::SInt32 MSInt32; + + static int TweakRoundsForRange(int range); + + template<int TVectorSize> + static void ComputeErrorLDR(uint32_t flags, const MUInt15 reconstructed[TVectorSize], const MUInt15 original[TVectorSize], int numRealChannels, AggregatedError<TVectorSize> &aggError) + { + for (int ch = 0; ch < numRealChannels; ch++) + aggError.Add(ParallelMath::SqDiffUInt8(reconstructed[ch], original[ch]), ch); + } + + template<int TVectorSize> + static void ComputeErrorLDR(uint32_t flags, const MUInt15 reconstructed[TVectorSize], const MUInt15 original[TVectorSize], AggregatedError<TVectorSize> &aggError) + { + ComputeErrorLDR<TVectorSize>(flags, reconstructed, original, TVectorSize, aggError); + } + + template<int TVectorSize> + static MFloat ComputeErrorLDRSimple(uint32_t flags, const MUInt15 reconstructed[TVectorSize], const MUInt15 original[TVectorSize], int numRealChannels, const float *channelWeightsSq) + { + AggregatedError<TVectorSize> aggError; + ComputeErrorLDR<TVectorSize>(flags, reconstructed, original, numRealChannels, aggError); + return aggError.Finalize(flags, channelWeightsSq); + } + + template<int TVectorSize> + static MFloat ComputeErrorHDRFast(uint32_t flags, const MSInt16 reconstructed[TVectorSize], const MSInt16 original[TVectorSize], const float channelWeightsSq[TVectorSize]) + { + MFloat error = ParallelMath::MakeFloatZero(); + if (flags & Flags::Uniform) + { + for (int ch = 0; ch < TVectorSize; ch++) + error = error + ParallelMath::SqDiffSInt16(reconstructed[ch], original[ch]); + } + else + { + for (int ch = 0; ch < TVectorSize; ch++) + error = error + ParallelMath::SqDiffSInt16(reconstructed[ch], original[ch]) * ParallelMath::MakeFloat(channelWeightsSq[ch]); + } + + return error; + } + + template<int TVectorSize> + static MFloat ComputeErrorHDRSlow(uint32_t flags, const MSInt16 reconstructed[TVectorSize], const MSInt16 original[TVectorSize], const float channelWeightsSq[TVectorSize]) + { + MFloat error = ParallelMath::MakeFloatZero(); + if (flags & Flags::Uniform) + { + for (int ch = 0; ch < TVectorSize; ch++) + error = error + ParallelMath::SqDiff2CL(reconstructed[ch], original[ch]); + } + else + { + for (int ch = 0; ch < TVectorSize; ch++) + error = error + ParallelMath::SqDiff2CL(reconstructed[ch], original[ch]) * ParallelMath::MakeFloat(channelWeightsSq[ch]); + } + + return error; + } + + template<int TChannelCount> + static void PreWeightPixelsLDR(MFloat preWeightedPixels[16][TChannelCount], const MUInt15 pixels[16][TChannelCount], const float channelWeights[TChannelCount]) + { + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < TChannelCount; ch++) + preWeightedPixels[px][ch] = ParallelMath::ToFloat(pixels[px][ch]) * channelWeights[ch]; + } + } + + template<int TChannelCount> + static void PreWeightPixelsHDR(MFloat preWeightedPixels[16][TChannelCount], const MSInt16 pixels[16][TChannelCount], const float channelWeights[TChannelCount]) + { + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < TChannelCount; ch++) + preWeightedPixels[px][ch] = ParallelMath::ToFloat(pixels[px][ch]) * channelWeights[ch]; + } + } + }; + } +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_Config.h b/thirdparty/cvtt/ConvectionKernels_Config.h new file mode 100644 index 0000000000..e79d32b1da --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_Config.h @@ -0,0 +1,12 @@ +#pragma once +#ifndef __CVTT_CONFIG_H__ +#define __CVTT_CONFIG_H__ + +#if (defined(_M_IX86_FP) && _M_IX86_FP >= 2) || defined(_M_X64) || defined(__SSE2__) +#define CVTT_USE_SSE2 +#endif + +// Define this to compile everything as a single source file +//#define CVTT_SINGLE_FILE + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_ETC.cpp b/thirdparty/cvtt/ConvectionKernels_ETC.cpp new file mode 100644 index 0000000000..cb202a6e9c --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_ETC.cpp @@ -0,0 +1,3147 @@ +/* +Convection Texture Tools +Copyright (c) 2018-2019 Eric Lasota + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject +to the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +------------------------------------------------------------------------------------- + +Portions based on DirectX Texture Library (DirectXTex) + +Copyright (c) Microsoft Corporation. All rights reserved. +Licensed under the MIT License. + +http://go.microsoft.com/fwlink/?LinkId=248926 +*/ +#include "ConvectionKernels_Config.h" + +#if !defined(CVTT_SINGLE_FILE) || defined(CVTT_SINGLE_FILE_IMPL) + +#include "ConvectionKernels.h" +#include "ConvectionKernels_ETC.h" +#include "ConvectionKernels_ETC1.h" +#include "ConvectionKernels_ETC2.h" +#include "ConvectionKernels_ETC2_Rounding.h" +#include "ConvectionKernels_ParallelMath.h" +#include "ConvectionKernels_FakeBT709_Rounding.h" + +#include <cmath> + +const int cvtt::Internal::ETCComputer::g_flipTables[2][2][8] = +{ + { + { 0, 1, 4, 5, 8, 9, 12, 13 }, + { 2, 3, 6, 7, 10, 11, 14, 15 } + }, + { + { 0, 1, 2, 3, 4, 5, 6, 7 }, + { 8, 9, 10, 11, 12, 13, 14, 15 } + }, +}; + +cvtt::ParallelMath::Float cvtt::Internal::ETCComputer::ComputeErrorUniform(const MUInt15 pixelA[3], const MUInt15 pixelB[3]) +{ + MSInt16 d0 = ParallelMath::LosslessCast<MSInt16>::Cast(pixelA[0]) - ParallelMath::LosslessCast<MSInt16>::Cast(pixelB[0]); + MFloat fd0 = ParallelMath::ToFloat(d0); + MFloat error = fd0 * fd0; + for (int ch = 1; ch < 3; ch++) + { + MSInt16 d = ParallelMath::LosslessCast<MSInt16>::Cast(pixelA[ch]) - ParallelMath::LosslessCast<MSInt16>::Cast(pixelB[ch]); + MFloat fd = ParallelMath::ToFloat(d); + error = error + fd * fd; + } + return error; +} + +cvtt::ParallelMath::Float cvtt::Internal::ETCComputer::ComputeErrorWeighted(const MUInt15 reconstructed[3], const MFloat preWeightedPixel[3], const Options options) +{ + MFloat dr = ParallelMath::ToFloat(reconstructed[0]) * options.redWeight - preWeightedPixel[0]; + MFloat dg = ParallelMath::ToFloat(reconstructed[1]) * options.greenWeight - preWeightedPixel[1]; + MFloat db = ParallelMath::ToFloat(reconstructed[2]) * options.blueWeight - preWeightedPixel[2]; + + return dr * dr + dg * dg + db * db; +} + +cvtt::ParallelMath::Float cvtt::Internal::ETCComputer::ComputeErrorFakeBT709(const MUInt15 reconstructed[3], const MFloat preWeightedPixel[3]) +{ + MFloat yuv[3]; + ConvertToFakeBT709(yuv, reconstructed); + + MFloat dy = yuv[0] - preWeightedPixel[0]; + MFloat du = yuv[1] - preWeightedPixel[1]; + MFloat dv = yuv[2] - preWeightedPixel[2]; + + return dy * dy + du * du + dv * dv; +} + +void cvtt::Internal::ETCComputer::TestHalfBlock(MFloat &outError, MUInt16 &outSelectors, MUInt15 quantizedPackedColor, const MUInt15 pixels[8][3], const MFloat preWeightedPixels[8][3], const MSInt16 modifiers[4], bool isDifferential, const Options &options) +{ + MUInt15 quantized[3]; + MUInt15 unquantized[3]; + + for (int ch = 0; ch < 3; ch++) + { + quantized[ch] = (ParallelMath::RightShift(quantizedPackedColor, (ch * 5)) & ParallelMath::MakeUInt15(31)); + + if (isDifferential) + unquantized[ch] = (quantized[ch] << 3) | ParallelMath::RightShift(quantized[ch], 2); + else + unquantized[ch] = (quantized[ch] << 4) | quantized[ch]; + } + + MUInt16 selectors = ParallelMath::MakeUInt16(0); + MFloat totalError = ParallelMath::MakeFloatZero(); + + MUInt15 u15_255 = ParallelMath::MakeUInt15(255); + MSInt16 s16_zero = ParallelMath::MakeSInt16(0); + + MUInt15 unquantizedModified[4][3]; + for (unsigned int s = 0; s < 4; s++) + for (int ch = 0; ch < 3; ch++) + unquantizedModified[s][ch] = ParallelMath::Min(ParallelMath::ToUInt15(ParallelMath::Max(ParallelMath::ToSInt16(unquantized[ch]) + modifiers[s], s16_zero)), u15_255); + + bool isUniform = ((options.flags & cvtt::Flags::Uniform) != 0); + bool isFakeBT709 = ((options.flags & cvtt::Flags::ETC_UseFakeBT709) != 0); + + for (int px = 0; px < 8; px++) + { + MFloat bestError = ParallelMath::MakeFloat(FLT_MAX); + MUInt16 bestSelector = ParallelMath::MakeUInt16(0); + + for (unsigned int s = 0; s < 4; s++) + { + MFloat error; + if (isFakeBT709) + error = ComputeErrorFakeBT709(unquantizedModified[s], preWeightedPixels[px]); + else if (isUniform) + error = ComputeErrorUniform(pixels[px], unquantizedModified[s]); + else + error = ComputeErrorWeighted(unquantizedModified[s], preWeightedPixels[px], options); + + ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(error, bestError); + bestSelector = ParallelMath::Select(ParallelMath::FloatFlagToInt16(errorBetter), ParallelMath::MakeUInt16(s), bestSelector); + bestError = ParallelMath::Min(error, bestError); + } + + totalError = totalError + bestError; + selectors = selectors | (bestSelector << (px * 2)); + } + + outError = totalError; + outSelectors = selectors; +} + +void cvtt::Internal::ETCComputer::TestHalfBlockPunchthrough(MFloat &outError, MUInt16 &outSelectors, MUInt15 quantizedPackedColor, const MUInt15 pixels[8][3], const MFloat preWeightedPixels[8][3], const ParallelMath::Int16CompFlag isTransparent[8], const MUInt15 modifier, const Options &options) +{ + MUInt15 quantized[3]; + MUInt15 unquantized[3]; + + for (int ch = 0; ch < 3; ch++) + { + quantized[ch] = (ParallelMath::RightShift(quantizedPackedColor, (ch * 5)) & ParallelMath::MakeUInt15(31)); + unquantized[ch] = (quantized[ch] << 3) | ParallelMath::RightShift(quantized[ch], 2); + } + + MUInt16 selectors = ParallelMath::MakeUInt16(0); + MFloat totalError = ParallelMath::MakeFloatZero(); + + MUInt15 u15_255 = ParallelMath::MakeUInt15(255); + MSInt16 s16_zero = ParallelMath::MakeSInt16(0); + + MUInt15 unquantizedModified[3][3]; + for (int ch = 0; ch < 3; ch++) + { + unquantizedModified[0][ch] = ParallelMath::Max(unquantized[ch], modifier) - modifier; + unquantizedModified[1][ch] = unquantized[ch]; + unquantizedModified[2][ch] = ParallelMath::Min(unquantized[ch] + modifier, u15_255); + } + + bool isUniform = ((options.flags & cvtt::Flags::Uniform) != 0); + bool isFakeBT709 = ((options.flags & cvtt::Flags::ETC_UseFakeBT709) != 0); + + for (int px = 0; px < 8; px++) + { + ParallelMath::FloatCompFlag isTransparentFloat = ParallelMath::Int16FlagToFloat(isTransparent[px]); + + MFloat bestError = ParallelMath::MakeFloat(FLT_MAX); + MUInt15 bestSelector = ParallelMath::MakeUInt15(0); + + for (unsigned int s = 0; s < 3; s++) + { + MFloat error; + if (isFakeBT709) + error = ComputeErrorFakeBT709(unquantizedModified[s], preWeightedPixels[px]); + else if (isUniform) + error = ComputeErrorUniform(pixels[px], unquantizedModified[s]); + else + error = ComputeErrorWeighted(unquantizedModified[s], preWeightedPixels[px], options); + + ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(error, bestError); + bestSelector = ParallelMath::Select(ParallelMath::FloatFlagToInt16(errorBetter), ParallelMath::MakeUInt15(s), bestSelector); + bestError = ParallelMath::Min(error, bestError); + } + + // Annoying quirk: The ETC encoding machinery assumes that selectors are in the table order in the spec, which isn't + // the same as their encoding bits, so the transparent index is actually 1 and the valid indexes are 0, 2, and 3. + + // Remap selector 1 to 2, and 2 to 3 + bestSelector = ParallelMath::Min(ParallelMath::MakeUInt15(3), bestSelector << 1); + + // Mark zero transparent as + ParallelMath::ConditionalSet(bestError, isTransparentFloat, ParallelMath::MakeFloatZero()); + ParallelMath::ConditionalSet(bestSelector, isTransparent[px], ParallelMath::MakeUInt15(1)); + + totalError = totalError + bestError; + selectors = selectors | (ParallelMath::LosslessCast<MUInt16>::Cast(bestSelector) << (px * 2)); + } + + outError = totalError; + outSelectors = selectors; +} + +void cvtt::Internal::ETCComputer::FindBestDifferentialCombination(int flip, int d, const ParallelMath::Int16CompFlag canIgnoreSector[2], ParallelMath::Int16CompFlag& bestIsThisMode, MFloat& bestTotalError, MUInt15& bestFlip, MUInt15& bestD, MUInt15 bestColors[2], MUInt16 bestSelectors[2], MUInt15 bestTables[2], DifferentialResolveStorage &drs) +{ + // We do this part scalar because most of the cost benefit of parallelization is in error evaluation, + // and this code has a LOT of early-outs and disjointed index lookups that vary heavily between blocks + // and save a lot of time. + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + bool canIgnore[2] = { ParallelMath::Extract(canIgnoreSector[0], block), ParallelMath::Extract(canIgnoreSector[1], block) }; + bool canIgnoreEither = canIgnore[0] || canIgnore[1]; + float blockBestTotalError = ParallelMath::Extract(bestTotalError, block); + float bestDiffErrors[2] = { FLT_MAX, FLT_MAX }; + uint16_t bestDiffSelectors[2] = { 0, 0 }; + uint16_t bestDiffColors[2] = { 0, 0 }; + uint16_t bestDiffTables[2] = { 0, 0 }; + for (int sector = 0; sector < 2; sector++) + { + unsigned int sectorNumAttempts = ParallelMath::Extract(drs.diffNumAttempts[sector], block); + for (unsigned int i = 0; i < sectorNumAttempts; i++) + { + float error = ParallelMath::Extract(drs.diffErrors[sector][i], block); + if (error < bestDiffErrors[sector]) + { + bestDiffErrors[sector] = error; + bestDiffSelectors[sector] = ParallelMath::Extract(drs.diffSelectors[sector][i], block); + bestDiffColors[sector] = ParallelMath::Extract(drs.diffColors[sector][i], block); + bestDiffTables[sector] = ParallelMath::Extract(drs.diffTables[sector][i], block); + } + } + } + + if (canIgnore[0]) + bestDiffColors[0] = bestDiffColors[1]; + else if (canIgnore[1]) + bestDiffColors[1] = bestDiffColors[0]; + + // The best differential possibilities must be better than the best total error + if (bestDiffErrors[0] + bestDiffErrors[1] < blockBestTotalError) + { + // Fast path if the best possible case is legal + if (canIgnoreEither || ETCDifferentialIsLegalScalar(bestDiffColors[0], bestDiffColors[1])) + { + ParallelMath::PutBoolInt16(bestIsThisMode, block, true); + ParallelMath::PutFloat(bestTotalError, block, bestDiffErrors[0] + bestDiffErrors[1]); + ParallelMath::PutUInt15(bestFlip, block, flip); + ParallelMath::PutUInt15(bestD, block, d); + for (int sector = 0; sector < 2; sector++) + { + ParallelMath::PutUInt15(bestColors[sector], block, bestDiffColors[sector]); + ParallelMath::PutUInt16(bestSelectors[sector], block, bestDiffSelectors[sector]); + ParallelMath::PutUInt15(bestTables[sector], block, bestDiffTables[sector]); + } + } + else + { + // Slow path: Sort the possible cases by quality, and search valid combinations + // TODO: Pre-flatten the error lists so this is nicer to cache + unsigned int numSortIndexes[2] = { 0, 0 }; + for (int sector = 0; sector < 2; sector++) + { + unsigned int sectorNumAttempts = ParallelMath::Extract(drs.diffNumAttempts[sector], block); + + for (unsigned int i = 0; i < sectorNumAttempts; i++) + { + if (ParallelMath::Extract(drs.diffErrors[sector][i], block) < blockBestTotalError) + drs.attemptSortIndexes[sector][numSortIndexes[sector]++] = i; + } + + struct SortPredicate + { + const MFloat *diffErrors; + int block; + + bool operator()(uint16_t a, uint16_t b) const + { + float errorA = ParallelMath::Extract(diffErrors[a], block); + float errorB = ParallelMath::Extract(diffErrors[b], block); + + if (errorA < errorB) + return true; + if (errorA > errorB) + return false; + + return a < b; + } + }; + + SortPredicate sp; + sp.diffErrors = drs.diffErrors[sector]; + sp.block = block; + + std::sort<uint16_t*, const SortPredicate&>(drs.attemptSortIndexes[sector], drs.attemptSortIndexes[sector] + numSortIndexes[sector], sp); + } + + int scannedElements = 0; + for (unsigned int i = 0; i < numSortIndexes[0]; i++) + { + unsigned int attemptIndex0 = drs.attemptSortIndexes[0][i]; + float error0 = ParallelMath::Extract(drs.diffErrors[0][attemptIndex0], block); + + scannedElements++; + + if (error0 >= blockBestTotalError) + break; + + float maxError1 = ParallelMath::Extract(bestTotalError, block) - error0; + uint16_t diffColor0 = ParallelMath::Extract(drs.diffColors[0][attemptIndex0], block); + + if (maxError1 < bestDiffErrors[1]) + break; + + for (unsigned int j = 0; j < numSortIndexes[1]; j++) + { + unsigned int attemptIndex1 = drs.attemptSortIndexes[1][j]; + float error1 = ParallelMath::Extract(drs.diffErrors[1][attemptIndex1], block); + + scannedElements++; + + if (error1 >= maxError1) + break; + + uint16_t diffColor1 = ParallelMath::Extract(drs.diffColors[1][attemptIndex1], block); + + if (ETCDifferentialIsLegalScalar(diffColor0, diffColor1)) + { + blockBestTotalError = error0 + error1; + + ParallelMath::PutBoolInt16(bestIsThisMode, block, true); + ParallelMath::PutFloat(bestTotalError, block, blockBestTotalError); + ParallelMath::PutUInt15(bestFlip, block, flip); + ParallelMath::PutUInt15(bestD, block, d); + ParallelMath::PutUInt15(bestColors[0], block, diffColor0); + ParallelMath::PutUInt15(bestColors[1], block, diffColor1); + ParallelMath::PutUInt16(bestSelectors[0], block, ParallelMath::Extract(drs.diffSelectors[0][attemptIndex0], block)); + ParallelMath::PutUInt16(bestSelectors[1], block, ParallelMath::Extract(drs.diffSelectors[1][attemptIndex1], block)); + ParallelMath::PutUInt15(bestTables[0], block, ParallelMath::Extract(drs.diffTables[0][attemptIndex0], block)); + ParallelMath::PutUInt15(bestTables[1], block, ParallelMath::Extract(drs.diffTables[1][attemptIndex1], block)); + break; + } + } + } + } + } + } +} + +cvtt::ParallelMath::Int16CompFlag cvtt::Internal::ETCComputer::ETCDifferentialIsLegalForChannel(const MUInt15 &a, const MUInt15 &b) +{ + MSInt16 diff = ParallelMath::LosslessCast<MSInt16>::Cast(b) - ParallelMath::LosslessCast<MSInt16>::Cast(a); + + return ParallelMath::Less(ParallelMath::MakeSInt16(-5), diff) & ParallelMath::Less(diff, ParallelMath::MakeSInt16(4)); +} + +cvtt::ParallelMath::Int16CompFlag cvtt::Internal::ETCComputer::ETCDifferentialIsLegal(const MUInt15 &a, const MUInt15 &b) +{ + MUInt15 mask = ParallelMath::MakeUInt15(31); + + return ETCDifferentialIsLegalForChannel(ParallelMath::RightShift(a, 10), ParallelMath::RightShift(b, 10)) + & ETCDifferentialIsLegalForChannel(ParallelMath::RightShift(a, 5) & mask, ParallelMath::RightShift(b, 5) & mask) + & ETCDifferentialIsLegalForChannel(a & mask, b & mask); +} + +bool cvtt::Internal::ETCComputer::ETCDifferentialIsLegalForChannelScalar(const uint16_t &a, const uint16_t &b) +{ + int16_t diff = static_cast<int16_t>(b) - static_cast<int16_t>(a); + + return (-4 <= diff) && (diff <= 3); +} + +bool cvtt::Internal::ETCComputer::ETCDifferentialIsLegalScalar(const uint16_t &a, const uint16_t &b) +{ + MUInt15 mask = ParallelMath::MakeUInt15(31); + + return ETCDifferentialIsLegalForChannelScalar((a >> 10), (b >> 10)) + & ETCDifferentialIsLegalForChannelScalar((a >> 5) & 31, (b >> 5) & 31) + & ETCDifferentialIsLegalForChannelScalar(a & 31, b & 31); +} + +void cvtt::Internal::ETCComputer::EncodeTMode(uint8_t *outputBuffer, MFloat &bestError, const ParallelMath::Int16CompFlag isIsolated[16], const MUInt15 pixels[16][3], const MFloat preWeightedPixels[16][3], const Options &options) +{ + bool isUniform = ((options.flags & cvtt::Flags::Uniform) != 0); + bool isFakeBT709 = ((options.flags & cvtt::Flags::ETC_UseFakeBT709) != 0); + + ParallelMath::Int16CompFlag bestIsThisMode = ParallelMath::MakeBoolInt16(false); + + MUInt15 isolatedTotal[3] = { ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(0) }; + MUInt15 lineTotal[3] = { ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(0) }; + + MUInt15 numPixelsIsolated = ParallelMath::MakeUInt15(0); + + // To speed this up, we compute line total as the sum, then subtract out isolated + for (unsigned int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 3; ch++) + { + isolatedTotal[ch] = isolatedTotal[ch] + ParallelMath::SelectOrZero(isIsolated[px], pixels[px][ch]); + lineTotal[ch] = lineTotal[ch] + pixels[px][ch]; + } + numPixelsIsolated = numPixelsIsolated + ParallelMath::SelectOrZero(isIsolated[px], ParallelMath::MakeUInt15(1)); + } + + for (int ch = 0; ch < 3; ch++) + lineTotal[ch] = lineTotal[ch] - isolatedTotal[ch]; + + MUInt15 numPixelsLine = ParallelMath::MakeUInt15(16) - numPixelsIsolated; + + MUInt15 isolatedAverageQuantized[3]; + MUInt15 isolatedAverageTargets[3]; + { + int divisors[ParallelMath::ParallelSize]; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + divisors[block] = ParallelMath::Extract(numPixelsIsolated, block) * 34; + + MUInt15 addend = (numPixelsIsolated << 4) | numPixelsIsolated; + for (int ch = 0; ch < 3; ch++) + { + // isolatedAverageQuantized[ch] = (isolatedTotal[ch] * 2 + numPixelsIsolated * 17) / (numPixelsIsolated * 34); + + MUInt15 numerator = isolatedTotal[ch] + isolatedTotal[ch]; + if (!isFakeBT709) + numerator = numerator + addend; + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int divisor = divisors[block]; + if (divisor == 0) + ParallelMath::PutUInt15(isolatedAverageQuantized[ch], block, 0); + else + ParallelMath::PutUInt15(isolatedAverageQuantized[ch], block, ParallelMath::Extract(numerator, block) / divisor); + } + + isolatedAverageTargets[ch] = numerator; + } + } + + if (isFakeBT709) + ResolveTHFakeBT709Rounding(isolatedAverageQuantized, isolatedAverageTargets, numPixelsIsolated); + + MUInt15 isolatedColor[3]; + for (int ch = 0; ch < 3; ch++) + isolatedColor[ch] = (isolatedAverageQuantized[ch]) | (isolatedAverageQuantized[ch] << 4); + + MFloat isolatedError[16]; + for (int px = 0; px < 16; px++) + { + if (isFakeBT709) + isolatedError[px] = ComputeErrorFakeBT709(isolatedColor, preWeightedPixels[px]); + else if (isUniform) + isolatedError[px] = ComputeErrorUniform(pixels[px], isolatedColor); + else + isolatedError[px] = ComputeErrorWeighted(isolatedColor, preWeightedPixels[px], options); + } + + MSInt32 bestSelectors = ParallelMath::MakeSInt32(0); + MUInt15 bestTable = ParallelMath::MakeUInt15(0); + MUInt15 bestLineColor = ParallelMath::MakeUInt15(0); + + MSInt16 maxLine = ParallelMath::LosslessCast<MSInt16>::Cast(numPixelsLine); + MSInt16 minLine = ParallelMath::MakeSInt16(0) - maxLine; + + int16_t clusterMaxLine = 0; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int16_t blockMaxLine = ParallelMath::Extract(maxLine, block); + if (blockMaxLine > clusterMaxLine) + clusterMaxLine = blockMaxLine; + } + + int16_t clusterMinLine = -clusterMaxLine; + + int lineDivisors[ParallelMath::ParallelSize]; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + lineDivisors[block] = ParallelMath::Extract(numPixelsLine, block) * 34; + + MUInt15 lineAddend = (numPixelsLine << 4) | numPixelsLine; + + for (int table = 0; table < 8; table++) + { + int numUniqueColors[ParallelMath::ParallelSize]; + MUInt15 uniqueQuantizedColors[31]; + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + numUniqueColors[block] = 0; + + MUInt15 modifier = ParallelMath::MakeUInt15(cvtt::Tables::ETC2::g_thModifierTable[table]); + MUInt15 modifierOffset = (modifier + modifier); + + for (int16_t offsetPremultiplier = clusterMinLine; offsetPremultiplier <= clusterMaxLine; offsetPremultiplier++) + { + MSInt16 clampedOffsetPremultiplier = ParallelMath::Max(minLine, ParallelMath::Min(maxLine, ParallelMath::MakeSInt16(offsetPremultiplier))); + MSInt16 modifierAddend = ParallelMath::CompactMultiply(clampedOffsetPremultiplier, modifierOffset); + + MUInt15 quantized[3]; + if (isFakeBT709) + { + MUInt15 targets[3]; + for (int ch = 0; ch < 3; ch++) + { + //quantized[ch] = std::min<int16_t>(15, std::max(0, (lineTotal[ch] * 2 + modifierOffset * offsetPremultiplier)) / (numDAIILine * 34)); + MUInt15 numerator = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Max(ParallelMath::MakeSInt16(0), ParallelMath::LosslessCast<MSInt16>::Cast(lineTotal[ch] + lineTotal[ch]) + modifierAddend)); + MUInt15 divided = ParallelMath::MakeUInt15(0); + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int divisor = lineDivisors[block]; + if (divisor == 0) + ParallelMath::PutUInt15(divided, block, 0); + else + ParallelMath::PutUInt15(divided, block, ParallelMath::Extract(numerator, block) / divisor); + } + quantized[ch] = ParallelMath::Min(ParallelMath::MakeUInt15(15), divided); + targets[ch] = numerator; + } + + ResolveTHFakeBT709Rounding(quantized, targets, numPixelsLine); + } + else + { + for (int ch = 0; ch < 3; ch++) + { + //quantized[ch] = std::min<int16_t>(15, std::max(0, (lineTotal[ch] * 2 + numDAIILine * 17 + modifierOffset * offsetPremultiplier)) / (numDAIILine * 34)); + MUInt15 numerator = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Max(ParallelMath::MakeSInt16(0), ParallelMath::LosslessCast<MSInt16>::Cast(lineTotal[ch] + lineTotal[ch] + lineAddend) + modifierAddend)); + MUInt15 divided = ParallelMath::MakeUInt15(0); + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int divisor = lineDivisors[block]; + if (divisor == 0) + ParallelMath::PutUInt15(divided, block, 0); + else + ParallelMath::PutUInt15(divided, block, ParallelMath::Extract(numerator, block) / divisor); + } + quantized[ch] = ParallelMath::Min(ParallelMath::MakeUInt15(15), divided); + } + } + + MUInt15 packedColor = quantized[0] | (quantized[1] << 5) | (quantized[2] << 10); + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + uint16_t blockPackedColor = ParallelMath::Extract(packedColor, block); + if (numUniqueColors[block] == 0 || blockPackedColor != ParallelMath::Extract(uniqueQuantizedColors[numUniqueColors[block] - 1], block)) + ParallelMath::PutUInt15(uniqueQuantizedColors[numUniqueColors[block]++], block, blockPackedColor); + } + } + + // Stripe unfilled unique colors + int maxUniqueColors = 0; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + if (numUniqueColors[block] > maxUniqueColors) + maxUniqueColors = numUniqueColors[block]; + } + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + uint16_t fillColor = ParallelMath::Extract(uniqueQuantizedColors[0], block); + + int numUnique = numUniqueColors[block]; + for (int fill = numUnique + 1; fill < maxUniqueColors; fill++) + ParallelMath::PutUInt15(uniqueQuantizedColors[fill], block, fillColor); + } + + for (int ci = 0; ci < maxUniqueColors; ci++) + { + MUInt15 lineColors[3][3]; + for (int ch = 0; ch < 3; ch++) + { + MUInt15 quantizedChannel = (ParallelMath::RightShift(uniqueQuantizedColors[ci], (ch * 5)) & ParallelMath::MakeUInt15(15)); + + MUInt15 unquantizedColor = (quantizedChannel << 4) | quantizedChannel; + lineColors[0][ch] = ParallelMath::Min(ParallelMath::MakeUInt15(255), unquantizedColor + modifier); + lineColors[1][ch] = unquantizedColor; + lineColors[2][ch] = ParallelMath::ToUInt15(ParallelMath::Max(ParallelMath::MakeSInt16(0), ParallelMath::LosslessCast<MSInt16>::Cast(unquantizedColor) - ParallelMath::LosslessCast<MSInt16>::Cast(modifier))); + } + + MSInt32 selectors = ParallelMath::MakeSInt32(0); + MFloat error = ParallelMath::MakeFloatZero(); + for (int px = 0; px < 16; px++) + { + MFloat pixelError = isolatedError[px]; + + MUInt15 pixelBestSelector = ParallelMath::MakeUInt15(0); + for (int i = 0; i < 3; i++) + { + MFloat error = isUniform ? ComputeErrorUniform(lineColors[i], pixels[px]) : ComputeErrorWeighted(lineColors[i], preWeightedPixels[px], options); + ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(error, pixelError); + pixelError = ParallelMath::Min(error, pixelError); + pixelBestSelector = ParallelMath::Select(ParallelMath::FloatFlagToInt16(errorBetter), ParallelMath::MakeUInt15(i + 1), pixelBestSelector); + } + + error = error + pixelError; + selectors = selectors | (ParallelMath::ToInt32(pixelBestSelector) << (px * 2)); + } + + ParallelMath::Int16CompFlag errorBetter = ParallelMath::FloatFlagToInt16(ParallelMath::Less(error, bestError)); + bestError = ParallelMath::Min(error, bestError); + + if (ParallelMath::AnySet(errorBetter)) + { + ParallelMath::ConditionalSet(bestLineColor, errorBetter, uniqueQuantizedColors[ci]); + ParallelMath::ConditionalSet(bestSelectors, errorBetter, selectors); + ParallelMath::ConditionalSet(bestTable, errorBetter, ParallelMath::MakeUInt15(table)); + bestIsThisMode = bestIsThisMode | errorBetter; + } + } + } + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + if (ParallelMath::Extract(bestIsThisMode, block)) + { + uint32_t lowBits = 0; + uint32_t highBits = 0; + + uint16_t blockBestLineColor = ParallelMath::Extract(bestLineColor, block); + ParallelMath::ScalarUInt16 blockIsolatedAverageQuantized[3]; + + for (int ch = 0; ch < 3; ch++) + blockIsolatedAverageQuantized[ch] = ParallelMath::Extract(isolatedAverageQuantized[ch], block); + + uint16_t blockBestTable = ParallelMath::Extract(bestTable, block); + int32_t blockBestSelectors = ParallelMath::Extract(bestSelectors, block); + + ParallelMath::ScalarUInt16 lineColor[3]; + for (int ch = 0; ch < 3; ch++) + lineColor[ch] = (blockBestLineColor >> (ch * 5)) & 15; + + EmitTModeBlock(outputBuffer + block * 8, lineColor, blockIsolatedAverageQuantized, blockBestSelectors, blockBestTable, true); + } + } +} + +void cvtt::Internal::ETCComputer::EncodeHMode(uint8_t *outputBuffer, MFloat &bestError, const ParallelMath::Int16CompFlag groupings[16], const MUInt15 pixels[16][3], HModeEval &he, const MFloat preWeightedPixels[16][3], const Options &options) +{ + bool isUniform = ((options.flags & cvtt::Flags::Uniform) != 0); + bool isFakeBT709 = ((options.flags & cvtt::Flags::ETC_UseFakeBT709) != 0); + + MUInt15 zero15 = ParallelMath::MakeUInt15(0); + + MUInt15 counts[2] = { zero15, zero15 }; + + ParallelMath::Int16CompFlag bestIsThisMode = ParallelMath::MakeBoolInt16(false); + + MUInt15 totals[2][3] = + { + { zero15, zero15, zero15 }, + { zero15, zero15, zero15 } + }; + + for (unsigned int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 3; ch++) + { + totals[0][ch] = totals[0][ch] + pixels[px][ch]; + totals[1][ch] = totals[1][ch] + ParallelMath::SelectOrZero(groupings[px], pixels[px][ch]); + } + counts[1] = counts[1] + ParallelMath::SelectOrZero(groupings[px], ParallelMath::MakeUInt15(1)); + } + + for (int ch = 0; ch < 3; ch++) + totals[0][ch] = totals[0][ch] - totals[1][ch]; + counts[0] = ParallelMath::MakeUInt15(16) - counts[1]; + + MUInt16 bestSectorBits = ParallelMath::MakeUInt16(0); + MUInt16 bestSignBits = ParallelMath::MakeUInt16(0); + MUInt15 bestColors[2] = { zero15, zero15 }; + MUInt15 bestTable = ParallelMath::MakeUInt15(0); + + for (int table = 0; table < 8; table++) + { + MUInt15 numUniqueColors = zero15; + + int modifier = cvtt::Tables::ETC1::g_thModifierTable[table]; + + for (int sector = 0; sector < 2; sector++) + { + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int blockNumUniqueColors = 0; + uint16_t blockUniqueQuantizedColors[31]; + + int maxOffsetMultiplier = ParallelMath::Extract(counts[sector], block); + int minOffsetMultiplier = -maxOffsetMultiplier; + + int modifierOffset = modifier * 2; + + int blockSectorCounts = ParallelMath::Extract(counts[sector], block); + int blockSectorTotals[3]; + for (int ch = 0; ch < 3; ch++) + blockSectorTotals[ch] = ParallelMath::Extract(totals[sector][ch], block); + + for (int offsetPremultiplier = minOffsetMultiplier; offsetPremultiplier <= maxOffsetMultiplier; offsetPremultiplier++) + { + // TODO: This isn't ideal for FakeBT709 + int16_t quantized[3]; + for (int ch = 0; ch < 3; ch++) + { + if (blockSectorCounts == 0) + quantized[ch] = 0; + else + quantized[ch] = std::min<int16_t>(15, std::max<int16_t>(0, (blockSectorTotals[ch] * 2 + blockSectorCounts * 17 + modifierOffset * offsetPremultiplier)) / (blockSectorCounts * 34)); + } + + uint16_t packedColor = (quantized[0] << 10) | (quantized[1] << 5) | quantized[2]; + if (blockNumUniqueColors == 0 || packedColor != blockUniqueQuantizedColors[blockNumUniqueColors - 1]) + { + assert(blockNumUniqueColors < 32); + blockUniqueQuantizedColors[blockNumUniqueColors++] = packedColor; + } + } + + ParallelMath::PutUInt15(he.numUniqueColors[sector], block, blockNumUniqueColors); + + int baseIndex = 0; + if (sector == 1) + baseIndex = ParallelMath::Extract(he.numUniqueColors[0], block); + + for (int i = 0; i < blockNumUniqueColors; i++) + ParallelMath::PutUInt15(he.uniqueQuantizedColors[baseIndex + i], block, blockUniqueQuantizedColors[i]); + } + } + + MUInt15 totalColors = he.numUniqueColors[0] + he.numUniqueColors[1]; + int maxErrorColors = 0; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + maxErrorColors = std::max<int>(maxErrorColors, ParallelMath::Extract(totalColors, block)); + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int lastColor = ParallelMath::Extract(totalColors, block); + uint16_t stripeColor = ParallelMath::Extract(he.uniqueQuantizedColors[0], block); + for (int i = lastColor; i < maxErrorColors; i++) + ParallelMath::PutUInt15(he.uniqueQuantizedColors[i], block, stripeColor); + } + + for (int ci = 0; ci < maxErrorColors; ci++) + { + MUInt15 fifteen = ParallelMath::MakeUInt15(15); + MUInt15 twoFiftyFive = ParallelMath::MakeUInt15(255); + MSInt16 zeroS16 = ParallelMath::MakeSInt16(0); + + MUInt15 colors[2][3]; + for (int ch = 0; ch < 3; ch++) + { + MUInt15 quantizedChannel = ParallelMath::RightShift(he.uniqueQuantizedColors[ci], ((2 - ch) * 5)) & fifteen; + + MUInt15 unquantizedColor = (quantizedChannel << 4) | quantizedChannel; + colors[0][ch] = ParallelMath::Min(twoFiftyFive, unquantizedColor + modifier); + colors[1][ch] = ParallelMath::ToUInt15(ParallelMath::Max(zeroS16, ParallelMath::LosslessCast<MSInt16>::Cast(unquantizedColor) - ParallelMath::MakeSInt16(modifier))); + } + + MUInt16 signBits = ParallelMath::MakeUInt16(0); + for (int px = 0; px < 16; px++) + { + MFloat errors[2]; + for (int i = 0; i < 2; i++) + { + if (isFakeBT709) + errors[i] = ComputeErrorFakeBT709(colors[i], preWeightedPixels[px]); + else if (isUniform) + errors[i] = ComputeErrorUniform(colors[i], pixels[px]); + else + errors[i] = ComputeErrorWeighted(colors[i], preWeightedPixels[px], options); + } + + ParallelMath::Int16CompFlag errorOneLess = ParallelMath::FloatFlagToInt16(ParallelMath::Less(errors[1], errors[0])); + he.errors[ci][px] = ParallelMath::Min(errors[0], errors[1]); + signBits = signBits | ParallelMath::SelectOrZero(errorOneLess, ParallelMath::MakeUInt16(1 << px)); + } + he.signBits[ci] = signBits; + } + + int maxUniqueColorCombos = 0; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int numUniqueColorCombos = ParallelMath::Extract(he.numUniqueColors[0], block) * ParallelMath::Extract(he.numUniqueColors[1], block); + if (numUniqueColorCombos > maxUniqueColorCombos) + maxUniqueColorCombos = numUniqueColorCombos; + } + + MUInt15 indexes[2] = { zero15, zero15 }; + MUInt15 maxIndex[2] = { he.numUniqueColors[0] - ParallelMath::MakeUInt15(1), he.numUniqueColors[1] - ParallelMath::MakeUInt15(1) }; + + int block1Starts[ParallelMath::ParallelSize]; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + block1Starts[block] = ParallelMath::Extract(he.numUniqueColors[0], block); + + for (int combo = 0; combo < maxUniqueColorCombos; combo++) + { + MUInt15 index0 = indexes[0] + ParallelMath::MakeUInt15(1); + ParallelMath::Int16CompFlag index0Overflow = ParallelMath::Less(maxIndex[0], index0); + ParallelMath::ConditionalSet(index0, index0Overflow, ParallelMath::MakeUInt15(0)); + + MUInt15 index1 = ParallelMath::Min(maxIndex[1], indexes[1] + ParallelMath::SelectOrZero(index0Overflow, ParallelMath::MakeUInt15(1))); + indexes[0] = index0; + indexes[1] = index1; + + int ci0[ParallelMath::ParallelSize]; + int ci1[ParallelMath::ParallelSize]; + MUInt15 color0; + MUInt15 color1; + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + ci0[block] = ParallelMath::Extract(index0, block); + ci1[block] = ParallelMath::Extract(index1, block) + block1Starts[block]; + ParallelMath::PutUInt15(color0, block, ParallelMath::Extract(he.uniqueQuantizedColors[ci0[block]], block)); + ParallelMath::PutUInt15(color1, block, ParallelMath::Extract(he.uniqueQuantizedColors[ci1[block]], block)); + } + + MFloat totalError = ParallelMath::MakeFloatZero(); + MUInt16 sectorBits = ParallelMath::MakeUInt16(0); + MUInt16 signBits = ParallelMath::MakeUInt16(0); + for (int px = 0; px < 16; px++) + { + MFloat errorCI0; + MFloat errorCI1; + MUInt16 signBits0; + MUInt16 signBits1; + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + ParallelMath::PutFloat(errorCI0, block, ParallelMath::Extract(he.errors[ci0[block]][px], block)); + ParallelMath::PutFloat(errorCI1, block, ParallelMath::Extract(he.errors[ci1[block]][px], block)); + ParallelMath::PutUInt16(signBits0, block, ParallelMath::Extract(he.signBits[ci0[block]], block)); + ParallelMath::PutUInt16(signBits1, block, ParallelMath::Extract(he.signBits[ci1[block]], block)); + } + + totalError = totalError + ParallelMath::Min(errorCI0, errorCI1); + + MUInt16 bitPosition = ParallelMath::MakeUInt16(1 << px); + + ParallelMath::Int16CompFlag error1Better = ParallelMath::FloatFlagToInt16(ParallelMath::Less(errorCI1, errorCI0)); + + sectorBits = sectorBits | ParallelMath::SelectOrZero(error1Better, bitPosition); + signBits = signBits | (bitPosition & ParallelMath::Select(error1Better, signBits1, signBits0)); + } + + ParallelMath::FloatCompFlag totalErrorBetter = ParallelMath::Less(totalError, bestError); + ParallelMath::Int16CompFlag totalErrorBetter16 = ParallelMath::FloatFlagToInt16(totalErrorBetter); + if (ParallelMath::AnySet(totalErrorBetter16)) + { + bestIsThisMode = bestIsThisMode | totalErrorBetter16; + ParallelMath::ConditionalSet(bestTable, totalErrorBetter16, ParallelMath::MakeUInt15(table)); + ParallelMath::ConditionalSet(bestColors[0], totalErrorBetter16, color0); + ParallelMath::ConditionalSet(bestColors[1], totalErrorBetter16, color1); + ParallelMath::ConditionalSet(bestSectorBits, totalErrorBetter16, sectorBits); + ParallelMath::ConditionalSet(bestSignBits, totalErrorBetter16, signBits); + bestError = ParallelMath::Min(totalError, bestError); + } + } + } + + if (ParallelMath::AnySet(bestIsThisMode)) + { + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + if (!ParallelMath::Extract(bestIsThisMode, block)) + continue; + + ParallelMath::ScalarUInt16 blockBestColors[2] = { ParallelMath::Extract(bestColors[0], block), ParallelMath::Extract(bestColors[1], block) }; + ParallelMath::ScalarUInt16 blockBestSectorBits = ParallelMath::Extract(bestSectorBits, block); + ParallelMath::ScalarUInt16 blockBestSignBits = ParallelMath::Extract(bestSignBits, block); + ParallelMath::ScalarUInt16 blockBestTable = ParallelMath::Extract(bestTable, block); + + EmitHModeBlock(outputBuffer + block * 8, blockBestColors, blockBestSectorBits, blockBestSignBits, blockBestTable, true); + } + } +} + +void cvtt::Internal::ETCComputer::EncodeVirtualTModePunchthrough(uint8_t *outputBuffer, MFloat &bestError, const ParallelMath::Int16CompFlag isIsolatedBase[16], const MUInt15 pixels[16][3], const MFloat preWeightedPixels[16][3], const ParallelMath::Int16CompFlag isTransparent[16], const ParallelMath::Int16CompFlag& anyTransparent, const ParallelMath::Int16CompFlag& allTransparent, const Options &options) +{ + // We treat T and H mode as the same mode ("Virtual T mode") with punchthrough, because of how the colors work: + // + // T mode: C1, C2+M, Transparent, C2-M + // H mode: C1+M, C1-M, Transparent, C2-M + // + // So in either case, we have 2 colors +/- a modifier, and a third unique color, which is basically T mode except without the middle color. + // The only thing that matters is whether it's better to store the isolated color as T mode color 1, or store it offset in H mode color 2. + // + // Sometimes it won't even be possible to store it in H mode color 2 because the table low bit derives from a numeric comparison of the colors, + // but unlike opaque blocks, we can't flip them. + bool isUniform = ((options.flags & cvtt::Flags::Uniform) != 0); + bool isFakeBT709 = ((options.flags & cvtt::Flags::ETC_UseFakeBT709) != 0); + + ParallelMath::FloatCompFlag isTransparentF[16]; + for (int px = 0; px < 16; px++) + isTransparentF[px] = ParallelMath::Int16FlagToFloat(isTransparent[px]); + + ParallelMath::Int16CompFlag bestIsThisMode = ParallelMath::MakeBoolInt16(false); + ParallelMath::Int16CompFlag bestIsHMode = ParallelMath::MakeBoolInt16(false); + + MUInt15 isolatedTotal[3] = { ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(0) }; + MUInt15 lineTotal[3] = { ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(0) }; + + MUInt15 numPixelsIsolated = ParallelMath::MakeUInt15(0); + MUInt15 numPixelsLine = ParallelMath::MakeUInt15(0); + + ParallelMath::Int16CompFlag isIsolated[16]; + ParallelMath::Int16CompFlag isLine[16]; + + for (unsigned int px = 0; px < 16; px++) + { + ParallelMath::Int16CompFlag isOpaque = ParallelMath::Not(isTransparent[px]); + isIsolated[px] = isIsolatedBase[px] & isOpaque; + isLine[px] = ParallelMath::Not(isIsolatedBase[px]) & isOpaque; + } + + for (unsigned int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 3; ch++) + { + isolatedTotal[ch] = isolatedTotal[ch] + ParallelMath::SelectOrZero(isIsolated[px], pixels[px][ch]); + lineTotal[ch] = lineTotal[ch] + ParallelMath::SelectOrZero(isLine[px], pixels[px][ch]); + } + numPixelsIsolated = numPixelsIsolated + ParallelMath::SelectOrZero(isIsolated[px], ParallelMath::MakeUInt15(1)); + numPixelsLine = numPixelsLine + ParallelMath::SelectOrZero(isLine[px], ParallelMath::MakeUInt15(1)); + } + + MUInt15 isolatedAverageQuantized[3]; + MUInt15 hModeIsolatedQuantized[8][3]; + MUInt15 isolatedAverageTargets[3]; + { + int divisors[ParallelMath::ParallelSize]; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + divisors[block] = ParallelMath::Extract(numPixelsIsolated, block) * 34; + + MUInt15 addend = (numPixelsIsolated << 4) | numPixelsIsolated; + for (int ch = 0; ch < 3; ch++) + { + // isolatedAverageQuantized[ch] = (isolatedTotal[ch] * 2 + numPixelsIsolated * 17) / (numPixelsIsolated * 34); + + MUInt15 numerator = isolatedTotal[ch] + isolatedTotal[ch]; + if (!isFakeBT709) + numerator = numerator + addend; + + MUInt15 hModeIsolatedNumerators[8]; + for (int table = 0; table < 8; table++) + { + // FIXME: Handle fake BT.709 correctly + MUInt15 offsetTotal = isolatedTotal[ch] + ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::CompactMultiply(ParallelMath::MakeUInt15(cvtt::Tables::ETC2::g_thModifierTable[table]), numPixelsIsolated)); + + hModeIsolatedNumerators[table] = (offsetTotal + offsetTotal) + addend; + } + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int divisor = divisors[block]; + if (divisor == 0) + { + ParallelMath::PutUInt15(isolatedAverageQuantized[ch], block, 0); + for (int table = 0; table < 8; table++) + ParallelMath::PutUInt15(hModeIsolatedQuantized[table][ch], block, 0); + } + else + { + ParallelMath::PutUInt15(isolatedAverageQuantized[ch], block, ParallelMath::Extract(numerator, block) / divisor); + for (int table = 0; table < 8; table++) + ParallelMath::PutUInt15(hModeIsolatedQuantized[table][ch], block, ParallelMath::Extract(hModeIsolatedNumerators[table], block) / divisor); + } + } + + isolatedAverageTargets[ch] = numerator; + } + } + + if (isFakeBT709) + ResolveTHFakeBT709Rounding(isolatedAverageQuantized, isolatedAverageTargets, numPixelsIsolated); + + for (int table = 0; table < 8; table++) + for (int ch = 0; ch < 3; ch++) + hModeIsolatedQuantized[table][ch] = ParallelMath::Min(ParallelMath::MakeUInt15(15), hModeIsolatedQuantized[table][ch]); + + MUInt15 isolatedColor[3]; + for (int ch = 0; ch < 3; ch++) + isolatedColor[ch] = (isolatedAverageQuantized[ch]) | (isolatedAverageQuantized[ch] << 4); + + MFloat isolatedError[16]; + for (int px = 0; px < 16; px++) + { + if (isFakeBT709) + isolatedError[px] = ComputeErrorFakeBT709(isolatedColor, preWeightedPixels[px]); + else if (isUniform) + isolatedError[px] = ComputeErrorUniform(pixels[px], isolatedColor); + else + isolatedError[px] = ComputeErrorWeighted(isolatedColor, preWeightedPixels[px], options); + + ParallelMath::ConditionalSet(isolatedError[px], isTransparentF[px], ParallelMath::MakeFloatZero()); + } + + MSInt32 bestSelectors = ParallelMath::MakeSInt32(0); + MUInt15 bestTable = ParallelMath::MakeUInt15(0); + MUInt15 bestLineColor = ParallelMath::MakeUInt15(0); + MUInt15 bestIsolatedColor = ParallelMath::MakeUInt15(0); + MUInt15 bestHModeColor2 = ParallelMath::MakeUInt15(0); + ParallelMath::Int16CompFlag bestUseHMode = ParallelMath::MakeBoolInt16(false); + + MSInt16 maxLine = ParallelMath::LosslessCast<MSInt16>::Cast(numPixelsLine); + MSInt16 minLine = ParallelMath::MakeSInt16(0) - maxLine; + + int16_t clusterMaxLine = 0; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int16_t blockMaxLine = ParallelMath::Extract(maxLine, block); + if (blockMaxLine > clusterMaxLine) + clusterMaxLine = blockMaxLine; + } + + int16_t clusterMinLine = -clusterMaxLine; + + int lineDivisors[ParallelMath::ParallelSize]; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + lineDivisors[block] = ParallelMath::Extract(numPixelsLine, block) * 34; + + MUInt15 lineAddend = (numPixelsLine << 4) | numPixelsLine; + + for (int table = 0; table < 8; table++) + { + int numUniqueColors[ParallelMath::ParallelSize]; + MUInt15 uniqueQuantizedColors[31]; + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + numUniqueColors[block] = 0; + + MUInt15 modifier = ParallelMath::MakeUInt15(cvtt::Tables::ETC2::g_thModifierTable[table]); + MUInt15 modifierOffset = (modifier + modifier); + + for (int16_t offsetPremultiplier = clusterMinLine; offsetPremultiplier <= clusterMaxLine; offsetPremultiplier += 2) + { + MSInt16 clampedOffsetPremultiplier = ParallelMath::Max(minLine, ParallelMath::Min(maxLine, ParallelMath::MakeSInt16(offsetPremultiplier))); + MSInt16 modifierAddend = ParallelMath::CompactMultiply(clampedOffsetPremultiplier, modifierOffset); + + MUInt15 quantized[3]; + if (isFakeBT709) + { + MUInt15 targets[3]; + for (int ch = 0; ch < 3; ch++) + { + //quantized[ch] = std::min<int16_t>(15, std::max(0, (lineTotal[ch] * 2 + modifierOffset * offsetPremultiplier)) / (numDAIILine * 34)); + MUInt15 numerator = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Max(ParallelMath::MakeSInt16(0), ParallelMath::LosslessCast<MSInt16>::Cast(lineTotal[ch] + lineTotal[ch]) + modifierAddend)); + MUInt15 divided = ParallelMath::MakeUInt15(0); + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int divisor = lineDivisors[block]; + if (divisor == 0) + ParallelMath::PutUInt15(divided, block, 0); + else + ParallelMath::PutUInt15(divided, block, ParallelMath::Extract(numerator, block) / divisor); + } + quantized[ch] = ParallelMath::Min(ParallelMath::MakeUInt15(15), divided); + targets[ch] = numerator; + } + + ResolveTHFakeBT709Rounding(quantized, targets, numPixelsLine); + } + else + { + for (int ch = 0; ch < 3; ch++) + { + //quantized[ch] = std::min<int16_t>(15, std::max(0, (lineTotal[ch] * 2 + numDAIILine * 17 + modifierOffset * offsetPremultiplier)) / (numDAIILine * 34)); + MUInt15 numerator = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Max(ParallelMath::MakeSInt16(0), ParallelMath::LosslessCast<MSInt16>::Cast(lineTotal[ch] + lineTotal[ch] + lineAddend) + modifierAddend)); + MUInt15 divided = ParallelMath::MakeUInt15(0); + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int divisor = lineDivisors[block]; + if (divisor == 0) + ParallelMath::PutUInt15(divided, block, 0); + else + ParallelMath::PutUInt15(divided, block, ParallelMath::Extract(numerator, block) / divisor); + } + quantized[ch] = ParallelMath::Min(ParallelMath::MakeUInt15(15), divided); + } + } + + MUInt15 packedColor = (quantized[0] << 10) | (quantized[1] << 5) | quantized[2]; + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + uint16_t blockPackedColor = ParallelMath::Extract(packedColor, block); + if (numUniqueColors[block] == 0 || blockPackedColor != ParallelMath::Extract(uniqueQuantizedColors[numUniqueColors[block] - 1], block)) + ParallelMath::PutUInt15(uniqueQuantizedColors[numUniqueColors[block]++], block, blockPackedColor); + } + } + + // Stripe unfilled unique colors + int maxUniqueColors = 0; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + if (numUniqueColors[block] > maxUniqueColors) + maxUniqueColors = numUniqueColors[block]; + } + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + uint16_t fillColor = ParallelMath::Extract(uniqueQuantizedColors[0], block); + + int numUnique = numUniqueColors[block]; + for (int fill = numUnique + 1; fill < maxUniqueColors; fill++) + ParallelMath::PutUInt15(uniqueQuantizedColors[fill], block, fillColor); + } + + MFloat hModeErrors[16]; + MUInt15 hModeUnquantizedColor[3]; + for (int ch = 0; ch < 3; ch++) + { + MUInt15 quantizedChannel = hModeIsolatedQuantized[table][ch]; + + MUInt15 unquantizedCh = (quantizedChannel << 4) | quantizedChannel; + hModeUnquantizedColor[ch] = ParallelMath::ToUInt15(ParallelMath::Max(ParallelMath::MakeSInt16(0), ParallelMath::LosslessCast<MSInt16>::Cast(unquantizedCh) - ParallelMath::LosslessCast<MSInt16>::Cast(modifier))); + } + + for (int px = 0; px < 16; px++) + { + hModeErrors[px] = isUniform ? ComputeErrorUniform(hModeUnquantizedColor, pixels[px]) : ComputeErrorWeighted(hModeUnquantizedColor, preWeightedPixels[px], options); + ParallelMath::ConditionalSet(hModeErrors[px], isTransparentF[px], ParallelMath::MakeFloatZero()); + } + + MUInt15 packedHModeColor2 = (hModeIsolatedQuantized[table][0] << 10) | (hModeIsolatedQuantized[table][1] << 5) | hModeIsolatedQuantized[table][2]; + ParallelMath::Int16CompFlag tableLowBitIsZero = ((table & 1) == 0) ? ParallelMath::MakeBoolInt16(true) : ParallelMath::MakeBoolInt16(false); + + for (int ci = 0; ci < maxUniqueColors; ci++) + { + MUInt15 lineColors[2][3]; + for (int ch = 0; ch < 3; ch++) + { + MUInt15 quantizedChannel = (ParallelMath::RightShift(uniqueQuantizedColors[ci], 10 - (ch * 5)) & ParallelMath::MakeUInt15(15)); + + MUInt15 unquantizedColor = (quantizedChannel << 4) | quantizedChannel; + lineColors[0][ch] = ParallelMath::Min(ParallelMath::MakeUInt15(255), unquantizedColor + modifier); + lineColors[1][ch] = ParallelMath::ToUInt15(ParallelMath::Max(ParallelMath::MakeSInt16(0), ParallelMath::LosslessCast<MSInt16>::Cast(unquantizedColor) - ParallelMath::LosslessCast<MSInt16>::Cast(modifier))); + } + + MUInt15 bestLineSelector[16]; + MFloat bestLineError[16]; + for (int px = 0; px < 16; px++) + { + MFloat lineErrors[2]; + for (int i = 0; i < 2; i++) + lineErrors[i] = isUniform ? ComputeErrorUniform(lineColors[i], pixels[px]) : ComputeErrorWeighted(lineColors[i], preWeightedPixels[px], options); + + ParallelMath::Int16CompFlag firstIsBetter = ParallelMath::FloatFlagToInt16(ParallelMath::LessOrEqual(lineErrors[0], lineErrors[1])); + bestLineSelector[px] = ParallelMath::Select(firstIsBetter, ParallelMath::MakeUInt15(1), ParallelMath::MakeUInt15(3)); + bestLineError[px] = ParallelMath::Min(lineErrors[0], lineErrors[1]); + + ParallelMath::ConditionalSet(bestLineError[px], isTransparentF[px], ParallelMath::MakeFloatZero()); + } + + // One case considered here was if it was possible to force H mode to be valid when the line color is unused. + // That case isn't actually useful because it's equivalent to the isolated color being unused at maximum offset, + // which is always checked after a swap. + MFloat tModeError = ParallelMath::MakeFloatZero(); + MFloat hModeError = ParallelMath::MakeFloatZero(); + for (int px = 0; px < 16; px++) + { + tModeError = tModeError + ParallelMath::Min(bestLineError[px], isolatedError[px]); + hModeError = hModeError + ParallelMath::Min(bestLineError[px], hModeErrors[px]); + } + + ParallelMath::FloatCompFlag hLessError = ParallelMath::Less(hModeError, tModeError); + + MUInt15 packedHModeColor1 = uniqueQuantizedColors[ci]; + + ParallelMath::Int16CompFlag hModeTableLowBitMustBeZero = ParallelMath::Less(packedHModeColor1, packedHModeColor2); + + ParallelMath::Int16CompFlag hModeIsLegal = ParallelMath::Equal(hModeTableLowBitMustBeZero, tableLowBitIsZero); + ParallelMath::Int16CompFlag useHMode = ParallelMath::FloatFlagToInt16(hLessError) & hModeIsLegal; + + MFloat roundBestError = tModeError; + ParallelMath::ConditionalSet(roundBestError, ParallelMath::Int16FlagToFloat(useHMode), hModeError); + + ParallelMath::Int16CompFlag errorBetter = ParallelMath::FloatFlagToInt16(ParallelMath::Less(roundBestError, bestError)); + ParallelMath::FloatCompFlag useHModeF = ParallelMath::Int16FlagToFloat(useHMode); + + if (ParallelMath::AnySet(errorBetter)) + { + MSInt32 selectors = ParallelMath::MakeSInt32(0); + for (int px = 0; px < 16; px++) + { + MUInt15 selector = bestLineSelector[px]; + + MFloat isolatedPixelError = ParallelMath::Select(useHModeF, hModeErrors[px], isolatedError[px]); + ParallelMath::Int16CompFlag isolatedBetter = ParallelMath::FloatFlagToInt16(ParallelMath::Less(isolatedPixelError, bestLineError[px])); + + ParallelMath::ConditionalSet(selector, isolatedBetter, ParallelMath::MakeUInt15(0)); + ParallelMath::ConditionalSet(selector, isTransparent[px], ParallelMath::MakeUInt15(2)); + selectors = selectors | (ParallelMath::ToInt32(selector) << (px * 2)); + } + + bestError = ParallelMath::Min(bestError, roundBestError); + ParallelMath::ConditionalSet(bestLineColor, errorBetter, uniqueQuantizedColors[ci]); + ParallelMath::ConditionalSet(bestSelectors, errorBetter, selectors); + ParallelMath::ConditionalSet(bestTable, errorBetter, ParallelMath::MakeUInt15(table)); + ParallelMath::ConditionalSet(bestIsHMode, errorBetter, useHMode); + ParallelMath::ConditionalSet(bestHModeColor2, errorBetter, packedHModeColor2); + + bestIsThisMode = bestIsThisMode | errorBetter; + } + } + } + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + if (ParallelMath::Extract(bestIsThisMode, block)) + { + uint32_t lowBits = 0; + uint32_t highBits = 0; + + uint16_t blockBestLineColor = ParallelMath::Extract(bestLineColor, block); + ParallelMath::ScalarUInt16 blockIsolatedAverageQuantized[3]; + + for (int ch = 0; ch < 3; ch++) + blockIsolatedAverageQuantized[ch] = ParallelMath::Extract(isolatedAverageQuantized[ch], block); + + uint16_t blockBestTable = ParallelMath::Extract(bestTable, block); + int32_t blockBestSelectors = ParallelMath::Extract(bestSelectors, block); + + ParallelMath::ScalarUInt16 lineColor[3]; + for (int ch = 0; ch < 3; ch++) + lineColor[ch] = (blockBestLineColor >> (10 - (ch * 5))) & 15; + + if (ParallelMath::Extract(bestIsHMode, block)) + { + // T mode: C1, C2+M, Transparent, C2-M + // H mode: C1+M, C1-M, Transparent, C2-M + static const ParallelMath::ScalarUInt16 selectorRemapSector[4] = { 1, 0, 1, 0 }; + static const ParallelMath::ScalarUInt16 selectorRemapSign[4] = { 1, 0, 0, 1 }; + + // Remap selectors + ParallelMath::ScalarUInt16 signBits = 0; + ParallelMath::ScalarUInt16 sectorBits = 0; + int32_t blockBestSelectors = ParallelMath::Extract(bestSelectors, block); + for (int px = 0; px < 16; px++) + { + int32_t selector = (blockBestSelectors >> (px * 2)) & 3; + sectorBits |= (selectorRemapSector[selector] << px); + signBits |= (selectorRemapSign[selector] << px); + } + + ParallelMath::ScalarUInt16 blockColors[2] = { blockBestLineColor, ParallelMath::Extract(bestHModeColor2, block) }; + + EmitHModeBlock(outputBuffer + block * 8, blockColors, sectorBits, signBits, blockBestTable, false); + } + else + EmitTModeBlock(outputBuffer + block * 8, lineColor, blockIsolatedAverageQuantized, blockBestSelectors, blockBestTable, false); + } + } +} + + +cvtt::ParallelMath::UInt15 cvtt::Internal::ETCComputer::DecodePlanarCoeff(const MUInt15 &coeff, int ch) +{ + if (ch == 1) + return (coeff << 1) | (ParallelMath::RightShift(coeff, 6)); + else + return (coeff << 2) | (ParallelMath::RightShift(coeff, 4)); +} + +void cvtt::Internal::ETCComputer::EncodePlanar(uint8_t *outputBuffer, MFloat &bestError, const MUInt15 pixels[16][3], const MFloat preWeightedPixels[16][3], const Options &options) +{ + // NOTE: If it's desired to do this in another color space, the best way to do it would probably be + // to do everything in that color space and then transform it back to RGB. + + // We compute H = (H-O)/4 and V= (V-O)/4 to simplify the math + + // error = (x*H + y*V + O - C)^2 + MFloat h[3] = { ParallelMath::MakeFloatZero(), ParallelMath::MakeFloatZero(), ParallelMath::MakeFloatZero() }; + MFloat v[3] = { ParallelMath::MakeFloatZero(), ParallelMath::MakeFloatZero(), ParallelMath::MakeFloatZero() }; + MFloat o[3] = { ParallelMath::MakeFloatZero(), ParallelMath::MakeFloatZero(), ParallelMath::MakeFloatZero() }; + + bool isFakeBT709 = ((options.flags & cvtt::Flags::ETC_UseFakeBT709) != 0); + bool isUniform = ((options.flags & cvtt::Flags::Uniform) != 0); + + MFloat totalError = ParallelMath::MakeFloatZero(); + MUInt15 bestCoeffs[3][3]; // [Channel][Coeff] + for (int ch = 0; ch < 3; ch++) + { + float fhh = 0.f; + float fho = 0.f; + float fhv = 0.f; + float foo = 0.f; + float fov = 0.f; + float fvv = 0.f; + MFloat fc = ParallelMath::MakeFloatZero(); + MFloat fh = ParallelMath::MakeFloatZero(); + MFloat fv = ParallelMath::MakeFloatZero(); + MFloat fo = ParallelMath::MakeFloatZero(); + + float &foh = fho; + float &fvh = fhv; + float &fvo = fov; + + for (int px = 0; px < 16; px++) + { + float x = static_cast<float>(px % 4); + float y = static_cast<float>(px / 4); + MFloat c = isFakeBT709 ? preWeightedPixels[px][ch] : ParallelMath::ToFloat(pixels[px][ch]); + + // (x*H + y*V + O - C)^2 + fhh += x * x; + fhv += x * y; + fho += x; + fh = fh - c * x; + + fvh += y * x; + fvv += y * y; + fvo += y; + fv = fv - c * y; + + foh += x; + fov += y; + foo += 1; + fo = fo - c; + + fh = fh - c * x; + fv = fv - c * y; + fo = fo - c; + fc = fc + c * c; + } + + //float totalError = fhh * h * h + fho * h*o + fhv * h*v + foo * o * o + fov * o*v + fvv * v * v + fh * h + fv * v + fo * o + fc; + + // error = fhh*h^2 + fho*h*o + fhv*h*v + foo*o^2 + fov*o*v + fvv*v^2 + fh*h + fv*v + fo*o + fc + // derror/dh = 2*fhh*h + fho*o + fhv*v + fh + // derror/dv = fhv*h + fov*o + 2*fvv*v + fv + // derror/do = fho*h + 2*foo*o + fov*v + fo + + // Solve system of equations + // h o v 1 = 0 + // ------- + // d e f g R0 + // i j k l R1 + // m n p q R2 + + float d = 2.0f * fhh; + float e = fho; + float f = fhv; + MFloat gD = fh; + + float i = fhv; + float j = fov; + float k = 2.0f * fvv; + MFloat lD = fv; + + float m = fho; + float n = 2.0f * foo; + float p = fov; + MFloat qD = fo; + + { + // Factor out first column from R1 and R2 + float r0to1 = -i / d; + float r0to2 = -m / d; + + // 0 j1 k1 l1D + float j1 = j + r0to1 * e; + float k1 = k + r0to1 * f; + MFloat l1D = lD + gD * r0to1; + + // 0 n1 p1 q1D + float n1 = n + r0to2 * e; + float p1 = p + r0to2 * f; + MFloat q1D = qD + gD * r0to2; + + // Factor out third column from R2 + float r1to2 = -p1 / k1; + + // 0 n2 0 q2D + float n2 = n1 + r1to2 * j1; + MFloat q2D = q1D + l1D * r1to2; + + o[ch] = -q2D / n2; + + // Factor out second column from R1 + // 0 n2 0 q2D + + float r2to1 = -j1 / n2; + + // 0 0 k1 l2D + // 0 n2 0 q2D + MFloat l2D = l1D + q2D * r2to1; + + float elim2 = -f / k1; + float elim1 = -e / n2; + + // d 0 0 g2D + MFloat g2D = gD + l2D * elim2 + q2D * elim1; + + // n2*o + q2 = 0 + // o = -q2 / n2 + h[ch] = -g2D / d; + v[ch] = -l2D / k1; + } + + // Undo the local transformation + h[ch] = h[ch] * 4.0f + o[ch]; + v[ch] = v[ch] * 4.0f + o[ch]; + } + + if (isFakeBT709) + { + MFloat oRGB[3]; + MFloat hRGB[3]; + MFloat vRGB[3]; + + ConvertFromFakeBT709(oRGB, o); + ConvertFromFakeBT709(hRGB, h); + ConvertFromFakeBT709(vRGB, v); + + // Twiddling in fake BT.607 is a mess, just round off for now (the precision is pretty good anyway) + { + ParallelMath::RoundTowardNearestForScope rtn; + + for (int ch = 0; ch < 3; ch++) + { + MFloat fcoeffs[3] = { oRGB[ch], hRGB[ch], vRGB[ch] }; + + for (int c = 0; c < 3; c++) + { + MFloat coeff = ParallelMath::Max(ParallelMath::MakeFloatZero(), fcoeffs[c]); + if (ch == 1) + coeff = ParallelMath::Min(ParallelMath::MakeFloat(127.0f), coeff * (127.0f / 255.0f)); + else + coeff = ParallelMath::Min(ParallelMath::MakeFloat(63.0f), coeff * (63.0f / 255.0f)); + fcoeffs[c] = coeff; + } + + for (int c = 0; c < 3; c++) + bestCoeffs[ch][c] = ParallelMath::RoundAndConvertToU15(fcoeffs[c], &rtn); + } + } + + MUInt15 reconstructed[16][3]; + for (int ch = 0; ch < 3; ch++) + { + MUInt15 dO = DecodePlanarCoeff(bestCoeffs[ch][0], ch); + MUInt15 dH = DecodePlanarCoeff(bestCoeffs[ch][1], ch); + MUInt15 dV = DecodePlanarCoeff(bestCoeffs[ch][2], ch); + + MSInt16 hMinusO = ParallelMath::LosslessCast<MSInt16>::Cast(dH) - ParallelMath::LosslessCast<MSInt16>::Cast(dO); + MSInt16 vMinusO = ParallelMath::LosslessCast<MSInt16>::Cast(dV) - ParallelMath::LosslessCast<MSInt16>::Cast(dO); + + MFloat error = ParallelMath::MakeFloatZero(); + + MSInt16 addend = ParallelMath::LosslessCast<MSInt16>::Cast(dO << 2) + 2; + + for (int px = 0; px < 16; px++) + { + MUInt15 pxv = ParallelMath::MakeUInt15(px); + MSInt16 x = ParallelMath::LosslessCast<MSInt16>::Cast(pxv & ParallelMath::MakeUInt15(3)); + MSInt16 y = ParallelMath::LosslessCast<MSInt16>::Cast(ParallelMath::RightShift(pxv, 2)); + + MSInt16 interpolated = ParallelMath::RightShift(ParallelMath::CompactMultiply(x, hMinusO) + ParallelMath::CompactMultiply(y, vMinusO) + addend, 2); + MUInt15 clampedLow = ParallelMath::ToUInt15(ParallelMath::Max(ParallelMath::MakeSInt16(0), interpolated)); + reconstructed[px][ch] = ParallelMath::Min(ParallelMath::MakeUInt15(255), clampedLow); + } + } + + totalError = ParallelMath::MakeFloatZero(); + for (int px = 0; px < 16; px++) + totalError = totalError + ComputeErrorFakeBT709(reconstructed[px], preWeightedPixels[px]); + } + else + { + for (int ch = 0; ch < 3; ch++) + { + MFloat fcoeffs[3] = { o[ch], h[ch], v[ch] }; + MUInt15 coeffRanges[3][2]; + + for (int c = 0; c < 3; c++) + { + MFloat coeff = ParallelMath::Max(ParallelMath::MakeFloatZero(), fcoeffs[c]); + if (ch == 1) + coeff = ParallelMath::Min(ParallelMath::MakeFloat(127.0f), coeff * (127.0f / 255.0f)); + else + coeff = ParallelMath::Min(ParallelMath::MakeFloat(63.0f), coeff * (63.0f / 255.0f)); + fcoeffs[c] = coeff; + } + + { + ParallelMath::RoundDownForScope rd; + for (int c = 0; c < 3; c++) + coeffRanges[c][0] = ParallelMath::RoundAndConvertToU15(fcoeffs[c], &rd); + } + + { + ParallelMath::RoundUpForScope ru; + for (int c = 0; c < 3; c++) + coeffRanges[c][1] = ParallelMath::RoundAndConvertToU15(fcoeffs[c], &ru); + } + + MFloat bestChannelError = ParallelMath::MakeFloat(FLT_MAX); + for (int io = 0; io < 2; io++) + { + MUInt15 dO = DecodePlanarCoeff(coeffRanges[0][io], ch); + + for (int ih = 0; ih < 2; ih++) + { + MUInt15 dH = DecodePlanarCoeff(coeffRanges[1][ih], ch); + MSInt16 hMinusO = ParallelMath::LosslessCast<MSInt16>::Cast(dH) - ParallelMath::LosslessCast<MSInt16>::Cast(dO); + + for (int iv = 0; iv < 2; iv++) + { + MUInt15 dV = DecodePlanarCoeff(coeffRanges[2][iv], ch); + MSInt16 vMinusO = ParallelMath::LosslessCast<MSInt16>::Cast(dV) - ParallelMath::LosslessCast<MSInt16>::Cast(dO); + + MFloat error = ParallelMath::MakeFloatZero(); + + MSInt16 addend = ParallelMath::LosslessCast<MSInt16>::Cast(dO << 2) + 2; + + for (int px = 0; px < 16; px++) + { + MUInt15 pxv = ParallelMath::MakeUInt15(px); + MSInt16 x = ParallelMath::LosslessCast<MSInt16>::Cast(pxv & ParallelMath::MakeUInt15(3)); + MSInt16 y = ParallelMath::LosslessCast<MSInt16>::Cast(ParallelMath::RightShift(pxv, 2)); + + MSInt16 interpolated = ParallelMath::RightShift(ParallelMath::CompactMultiply(x, hMinusO) + ParallelMath::CompactMultiply(y, vMinusO) + addend, 2); + MUInt15 clampedLow = ParallelMath::ToUInt15(ParallelMath::Max(ParallelMath::MakeSInt16(0), interpolated)); + MUInt15 dec = ParallelMath::Min(ParallelMath::MakeUInt15(255), clampedLow); + + MSInt16 delta = ParallelMath::LosslessCast<MSInt16>::Cast(pixels[px][ch]) - ParallelMath::LosslessCast<MSInt16>::Cast(dec); + + MFloat deltaF = ParallelMath::ToFloat(delta); + error = error + deltaF * deltaF; + } + + ParallelMath::Int16CompFlag errorBetter = ParallelMath::FloatFlagToInt16(ParallelMath::Less(error, bestChannelError)); + if (ParallelMath::AnySet(errorBetter)) + { + bestChannelError = ParallelMath::Min(error, bestChannelError); + ParallelMath::ConditionalSet(bestCoeffs[ch][0], errorBetter, coeffRanges[0][io]); + ParallelMath::ConditionalSet(bestCoeffs[ch][1], errorBetter, coeffRanges[1][ih]); + ParallelMath::ConditionalSet(bestCoeffs[ch][2], errorBetter, coeffRanges[2][iv]); + } + } + } + } + + if (!isUniform) + { + switch (ch) + { + case 0: + bestChannelError = bestChannelError * (options.redWeight * options.redWeight); + break; + case 1: + bestChannelError = bestChannelError * (options.greenWeight * options.greenWeight); + break; + case 2: + bestChannelError = bestChannelError * (options.blueWeight * options.blueWeight); + break; + default: + break; + } + } + + totalError = totalError + bestChannelError; + } + } + + ParallelMath::Int16CompFlag errorBetter = ParallelMath::FloatFlagToInt16(ParallelMath::Less(totalError, bestError)); + if (ParallelMath::AnySet(errorBetter)) + { + bestError = ParallelMath::Min(bestError, totalError); + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + if (!ParallelMath::Extract(errorBetter, block)) + continue; + + int ro = ParallelMath::Extract(bestCoeffs[0][0], block); + int rh = ParallelMath::Extract(bestCoeffs[0][1], block); + int rv = ParallelMath::Extract(bestCoeffs[0][2], block); + + int go = ParallelMath::Extract(bestCoeffs[1][0], block); + int gh = ParallelMath::Extract(bestCoeffs[1][1], block); + int gv = ParallelMath::Extract(bestCoeffs[1][2], block); + + int bo = ParallelMath::Extract(bestCoeffs[2][0], block); + int bh = ParallelMath::Extract(bestCoeffs[2][1], block); + int bv = ParallelMath::Extract(bestCoeffs[2][2], block); + + int go1 = go >> 6; + int go2 = go & 63; + + int bo1 = bo >> 5; + int bo2 = (bo >> 3) & 3; + int bo3 = bo & 7; + + int rh1 = (rh >> 1); + int rh2 = rh & 1; + + int fakeR = ro >> 2; + int fakeDR = go1 | ((ro & 3) << 1); + + int fakeG = (go2 >> 2); + int fakeDG = ((go2 & 3) << 1) | bo1; + + int fakeB = bo2; + int fakeDB = bo3 >> 1; + + uint32_t highBits = 0; + uint32_t lowBits = 0; + + // Avoid overflowing R + if ((fakeDR & 4) != 0 && fakeR + fakeDR < 8) + highBits |= 1 << (63 - 32); + + // Avoid overflowing G + if ((fakeDG & 4) != 0 && fakeG + fakeDG < 8) + highBits |= 1 << (55 - 32); + + // Overflow B + if (fakeB + fakeDB < 4) + { + // Overflow low + highBits |= 1 << (42 - 32); + } + else + { + // Overflow high + highBits |= 7 << (45 - 32); + } + + highBits |= ro << (57 - 32); + highBits |= go1 << (56 - 32); + highBits |= go2 << (49 - 32); + highBits |= bo1 << (48 - 32); + highBits |= bo2 << (43 - 32); + highBits |= bo3 << (39 - 32); + highBits |= rh1 << (34 - 32); + highBits |= 1 << (33 - 32); + highBits |= rh2 << (32 - 32); + + lowBits |= gh << 25; + lowBits |= bh << 19; + lowBits |= rv << 13; + lowBits |= gv << 6; + lowBits |= bv << 0; + + for (int i = 0; i < 4; i++) + outputBuffer[block * 8 + i] = (highBits >> (24 - i * 8)) & 0xff; + for (int i = 0; i < 4; i++) + outputBuffer[block * 8 + i + 4] = (lowBits >> (24 - i * 8)) & 0xff; + } + } +} + +void cvtt::Internal::ETCComputer::CompressETC2Block(uint8_t *outputBuffer, const PixelBlockU8 *pixelBlocks, ETC2CompressionData *compressionData, const Options &options, bool punchthroughAlpha) +{ + ParallelMath::Int16CompFlag pixelIsTransparent[16]; + ParallelMath::Int16CompFlag anyTransparent = ParallelMath::MakeBoolInt16(false); + ParallelMath::Int16CompFlag allTransparent = ParallelMath::MakeBoolInt16(true); + + if (punchthroughAlpha) + { + const float fThreshold = std::max<float>(std::min<float>(1.0f, options.threshold), 0.0f) * 255.0f; + + // +1.0f is intentional, we want to take the next valid integer (even if it's 256) since everything else lower is transparent + MUInt15 threshold = ParallelMath::MakeUInt15(static_cast<uint16_t>(std::floor(fThreshold + 1.0f))); + + for (int px = 0; px < 16; px++) + { + MUInt15 alpha; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + ParallelMath::PutUInt15(alpha, block, pixelBlocks[block].m_pixels[px][3]); + + ParallelMath::Int16CompFlag isTransparent = ParallelMath::Less(alpha, threshold); + anyTransparent = (anyTransparent | isTransparent); + allTransparent = (allTransparent & isTransparent); + pixelIsTransparent[px] = isTransparent; + } + } + else + { + for (int px = 0; px < 16; px++) + pixelIsTransparent[px] = ParallelMath::MakeBoolInt16(false); + + allTransparent = anyTransparent = ParallelMath::MakeBoolInt16(false); + } + + MFloat bestError = ParallelMath::MakeFloat(FLT_MAX); + + ETC2CompressionDataInternal* internalData = static_cast<ETC2CompressionDataInternal*>(compressionData); + + MUInt15 pixels[16][3]; + MFloat preWeightedPixels[16][3]; + ExtractBlocks(pixels, preWeightedPixels, pixelBlocks, options); + + if (ParallelMath::AnySet(anyTransparent)) + { + for (int px = 0; px < 16; px++) + { + ParallelMath::Int16CompFlag flag = pixelIsTransparent[px]; + ParallelMath::FloatCompFlag fflag = ParallelMath::Int16FlagToFloat(flag); + + for (int ch = 0; ch < 3; ch++) + { + ParallelMath::ConditionalSet(pixels[px][ch], flag, ParallelMath::MakeUInt15(0)); + ParallelMath::ConditionalSet(preWeightedPixels[px][ch], fflag, ParallelMath::MakeFloat(0.0f)); + } + } + } + + if (!ParallelMath::AllSet(allTransparent)) + EncodePlanar(outputBuffer, bestError, pixels, preWeightedPixels, options); + + MFloat chromaDelta[16][2]; + + MUInt15 numOpaque = ParallelMath::MakeUInt15(16); + for (int px = 0; px < 16; px++) + numOpaque = numOpaque - ParallelMath::SelectOrZero(pixelIsTransparent[px], ParallelMath::MakeUInt15(1)); + + if (options.flags & cvtt::Flags::Uniform) + { + MSInt16 chromaCoordinates3[16][2]; + for (int px = 0; px < 16; px++) + { + chromaCoordinates3[px][0] = ParallelMath::LosslessCast<MSInt16>::Cast(pixels[px][0]) - ParallelMath::LosslessCast<MSInt16>::Cast(pixels[px][2]); + chromaCoordinates3[px][1] = ParallelMath::LosslessCast<MSInt16>::Cast(pixels[px][0]) - ParallelMath::LosslessCast<MSInt16>::Cast(pixels[px][1] << 1) + ParallelMath::LosslessCast<MSInt16>::Cast(pixels[px][2]); + } + + MSInt16 chromaCoordinateCentroid[2] = { ParallelMath::MakeSInt16(0), ParallelMath::MakeSInt16(0) }; + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 2; ch++) + chromaCoordinateCentroid[ch] = chromaCoordinateCentroid[ch] + chromaCoordinates3[px][ch]; + } + + if (punchthroughAlpha) + { + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 2; ch++) + { + MUInt15 chromaCoordinateMultiplied = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::CompactMultiply(chromaCoordinates3[px][ch], numOpaque)); + MSInt16 delta = ParallelMath::LosslessCast<MSInt16>::Cast(chromaCoordinateMultiplied) - chromaCoordinateCentroid[ch]; + chromaDelta[px][ch] = ParallelMath::ToFloat(delta); + } + } + } + else + { + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 2; ch++) + chromaDelta[px][ch] = ParallelMath::ToFloat((chromaCoordinates3[px][ch] << 4) - chromaCoordinateCentroid[ch]); + } + } + + const MFloat rcpSqrt3 = ParallelMath::MakeFloat(0.57735026918962576450914878050196f); + + for (int px = 0; px < 16; px++) + chromaDelta[px][1] = chromaDelta[px][1] * rcpSqrt3; + } + else + { + const float chromaAxis0[3] = { internalData->m_chromaSideAxis0[0], internalData->m_chromaSideAxis0[1], internalData->m_chromaSideAxis0[2] }; + const float chromaAxis1[3] = { internalData->m_chromaSideAxis1[0], internalData->m_chromaSideAxis1[1], internalData->m_chromaSideAxis1[2] }; + + MFloat chromaCoordinates3[16][2]; + for (int px = 0; px < 16; px++) + { + const MFloat &px0 = preWeightedPixels[px][0]; + const MFloat &px1 = preWeightedPixels[px][1]; + const MFloat &px2 = preWeightedPixels[px][2]; + + chromaCoordinates3[px][0] = px0 * chromaAxis0[0] + px1 * chromaAxis0[1] + px2 * chromaAxis0[2]; + chromaCoordinates3[px][1] = px0 * chromaAxis1[0] + px1 * chromaAxis1[1] + px2 * chromaAxis1[2]; + } + + MFloat chromaCoordinateCentroid[2] = { ParallelMath::MakeFloatZero(), ParallelMath::MakeFloatZero() }; + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 2; ch++) + chromaCoordinateCentroid[ch] = chromaCoordinateCentroid[ch] + chromaCoordinates3[px][ch]; + } + + if (punchthroughAlpha) + { + const MFloat numOpaqueF = ParallelMath::ToFloat(numOpaque); + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 2; ch++) + { + MFloat chromaCoordinateMultiplied = chromaCoordinates3[px][ch] * numOpaqueF; + MFloat delta = chromaCoordinateMultiplied - chromaCoordinateCentroid[ch]; + chromaDelta[px][ch] = delta; + } + } + } + else + { + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 2; ch++) + chromaDelta[px][ch] = chromaCoordinates3[px][ch] * 16.0f - chromaCoordinateCentroid[ch]; + } + } + } + + + MFloat covXX = ParallelMath::MakeFloatZero(); + MFloat covYY = ParallelMath::MakeFloatZero(); + MFloat covXY = ParallelMath::MakeFloatZero(); + + for (int px = 0; px < 16; px++) + { + MFloat nx = chromaDelta[px][0]; + MFloat ny = chromaDelta[px][1]; + + covXX = covXX + nx * nx; + covYY = covYY + ny * ny; + covXY = covXY + nx * ny; + } + + MFloat halfTrace = (covXX + covYY) * 0.5f; + MFloat det = covXX * covYY - covXY * covXY; + + MFloat mm = ParallelMath::Sqrt(ParallelMath::Max(ParallelMath::MakeFloatZero(), halfTrace * halfTrace - det)); + + MFloat ev = halfTrace + mm; + + MFloat dx = (covYY - ev + covXY); + MFloat dy = -(covXX - ev + covXY); + + // If evenly distributed, pick an arbitrary plane + ParallelMath::FloatCompFlag allZero = ParallelMath::Equal(dx, ParallelMath::MakeFloatZero()) & ParallelMath::Equal(dy, ParallelMath::MakeFloatZero()); + ParallelMath::ConditionalSet(dx, allZero, ParallelMath::MakeFloat(1.f)); + + ParallelMath::Int16CompFlag sectorAssignments[16]; + for (int px = 0; px < 16; px++) + sectorAssignments[px] = ParallelMath::FloatFlagToInt16(ParallelMath::Less(chromaDelta[px][0] * dx + chromaDelta[px][1] * dy, ParallelMath::MakeFloatZero())); + + if (!ParallelMath::AllSet(allTransparent)) + { + EncodeTMode(outputBuffer, bestError, sectorAssignments, pixels, preWeightedPixels, options); + + // Flip sector assignments + for (int px = 0; px < 16; px++) + sectorAssignments[px] = ParallelMath::Not(sectorAssignments[px]); + + EncodeTMode(outputBuffer, bestError, sectorAssignments, pixels, preWeightedPixels, options); + + EncodeHMode(outputBuffer, bestError, sectorAssignments, pixels, internalData->m_h, preWeightedPixels, options); + + CompressETC1BlockInternal(bestError, outputBuffer, pixels, preWeightedPixels, internalData->m_drs, options, true); + } + + if (ParallelMath::AnySet(anyTransparent)) + { + if (!ParallelMath::AllSet(allTransparent)) + { + // Flip sector assignments + for (int px = 0; px < 16; px++) + sectorAssignments[px] = ParallelMath::Not(sectorAssignments[px]); + } + + // Reset the error of any transparent blocks to max and retry with punchthrough modes + ParallelMath::ConditionalSet(bestError, ParallelMath::Int16FlagToFloat(anyTransparent), ParallelMath::MakeFloat(FLT_MAX)); + + EncodeVirtualTModePunchthrough(outputBuffer, bestError, sectorAssignments, pixels, preWeightedPixels, pixelIsTransparent, anyTransparent, allTransparent, options); + + // Flip sector assignments + for (int px = 0; px < 16; px++) + sectorAssignments[px] = ParallelMath::Not(sectorAssignments[px]); + + EncodeVirtualTModePunchthrough(outputBuffer, bestError, sectorAssignments, pixels, preWeightedPixels, pixelIsTransparent, anyTransparent, allTransparent, options); + + CompressETC1PunchthroughBlockInternal(bestError, outputBuffer, pixels, preWeightedPixels, pixelIsTransparent, static_cast<ETC2CompressionDataInternal*>(compressionData)->m_drs, options); + } +} + +void cvtt::Internal::ETCComputer::CompressETC2AlphaBlock(uint8_t *outputBuffer, const PixelBlockU8 *pixelBlocks, const Options &options) +{ + MUInt15 pixels[16]; + + for (int px = 0; px < 16; px++) + { + for (int block = 0; block < ParallelMath::ParallelSize; block++) + ParallelMath::PutUInt15(pixels[px], block, pixelBlocks[block].m_pixels[px][3]); + } + + CompressETC2AlphaBlockInternal(outputBuffer, pixels, false, false, options); +} + +void cvtt::Internal::ETCComputer::CompressETC2AlphaBlockInternal(uint8_t *outputBuffer, const MUInt15 pixels[16], bool is11Bit, bool isSigned, const Options &options) +{ + MUInt15 minAlpha = ParallelMath::MakeUInt15(is11Bit ? 2047 : 255); + MUInt15 maxAlpha = ParallelMath::MakeUInt15(0); + + for (int px = 0; px < 16; px++) + { + minAlpha = ParallelMath::Min(minAlpha, pixels[px]); + maxAlpha = ParallelMath::Max(maxAlpha, pixels[px]); + } + + MUInt15 alphaSpan = maxAlpha - minAlpha; + MUInt15 alphaSpanMidpointTimes2 = maxAlpha + minAlpha; + + MUInt31 bestTotalError = ParallelMath::MakeUInt31(0x7fffffff); + MUInt15 bestTableIndex = ParallelMath::MakeUInt15(0); + MUInt15 bestBaseCodeword = ParallelMath::MakeUInt15(0); + MUInt15 bestMultiplier = ParallelMath::MakeUInt15(0); + MUInt15 bestIndexes[16]; + + for (int px = 0; px < 16; px++) + bestIndexes[px] = ParallelMath::MakeUInt15(0); + + const int numAlphaRanges = 10; + for (uint16_t tableIndex = 0; tableIndex < 16; tableIndex++) + { + for (int r = 0; r < numAlphaRanges; r++) + { + int subrange = r % 3; + int mainRange = r / 3; + + int16_t maxOffset = Tables::ETC2::g_alphaModifierTablePositive[tableIndex][3 - mainRange - (subrange & 1)]; + int16_t minOffset = -Tables::ETC2::g_alphaModifierTablePositive[tableIndex][3 - mainRange - ((subrange >> 1) & 1)] - 1; + uint16_t offsetSpan = static_cast<uint16_t>(maxOffset - minOffset); + + MSInt16 vminOffset = ParallelMath::MakeSInt16(minOffset); + MUInt15 vmaxOffset = ParallelMath::MakeUInt15(maxOffset); + MUInt15 voffsetSpan = ParallelMath::MakeUInt15(offsetSpan); + + MUInt15 minMultiplier = ParallelMath::MakeUInt15(0); + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + uint16_t singleAlphaSpan = ParallelMath::Extract(alphaSpan, block); + + uint16_t lowMultiplier = singleAlphaSpan / offsetSpan; + ParallelMath::PutUInt15(minMultiplier, block, lowMultiplier); + } + + if (is11Bit) + { + // Clamps this to valid multipliers under 15 and rounds down to nearest multiple of 8 + minMultiplier = ParallelMath::Min(minMultiplier, ParallelMath::MakeUInt15(112)) & ParallelMath::MakeUInt15(120); + } + else + { + // We cap at 1 and 14 so both multipliers are valid and dividable + // Cases where offset span is 0 should be caught by multiplier 1 of table 13 + minMultiplier = ParallelMath::Max(ParallelMath::Min(minMultiplier, ParallelMath::MakeUInt15(14)), ParallelMath::MakeUInt15(1)); + } + + for (uint16_t multiplierOffset = 0; multiplierOffset < 2; multiplierOffset++) + { + MUInt15 multiplier = minMultiplier; + + if (is11Bit) + { + if (multiplierOffset == 1) + multiplier = multiplier + ParallelMath::MakeUInt15(8); + else + multiplier = ParallelMath::Max(multiplier, ParallelMath::MakeUInt15(1)); + } + else + { + if (multiplierOffset == 1) + multiplier = multiplier + ParallelMath::MakeUInt15(1); + } + + MSInt16 multipliedMinOffset = ParallelMath::CompactMultiply(ParallelMath::LosslessCast<MSInt16>::Cast(multiplier), vminOffset); + MUInt15 multipliedMaxOffset = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::CompactMultiply(multiplier, vmaxOffset)); + + // codeword = (maxOffset + minOffset + minAlpha + maxAlpha) / 2 + MSInt16 unclampedBaseAlphaTimes2 = ParallelMath::LosslessCast<MSInt16>::Cast(alphaSpanMidpointTimes2) - ParallelMath::LosslessCast<MSInt16>::Cast(multipliedMaxOffset) - multipliedMinOffset; + + MUInt15 baseAlpha; + if (is11Bit) + { + // In unsigned, 4 is added to the unquantized alpha, so compensating for that cancels the 4 we have to add to do rounding. + if (isSigned) + unclampedBaseAlphaTimes2 = unclampedBaseAlphaTimes2 + ParallelMath::MakeSInt16(8); + + // -128 is illegal for some reason + MSInt16 minBaseAlphaTimes2 = isSigned ? ParallelMath::MakeSInt16(16) : ParallelMath::MakeSInt16(0); + + MUInt15 clampedBaseAlphaTimes2 = ParallelMath::Min(ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Max(unclampedBaseAlphaTimes2, minBaseAlphaTimes2)), ParallelMath::MakeUInt15(4095)); + baseAlpha = ParallelMath::RightShift(clampedBaseAlphaTimes2, 1) & ParallelMath::MakeUInt15(2040); + + if (!isSigned) + baseAlpha = baseAlpha + ParallelMath::MakeUInt15(4); + } + else + { + MUInt15 clampedBaseAlphaTimes2 = ParallelMath::Min(ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Max(unclampedBaseAlphaTimes2, ParallelMath::MakeSInt16(0))), ParallelMath::MakeUInt15(510)); + baseAlpha = ParallelMath::RightShift(clampedBaseAlphaTimes2 + ParallelMath::MakeUInt15(1), 1); + } + + MUInt15 indexes[16]; + MUInt31 totalError = ParallelMath::MakeUInt31(0); + for (int px = 0; px < 16; px++) + { + MUInt15 quantizedValues; + QuantizeETC2Alpha(tableIndex, pixels[px], baseAlpha, multiplier, is11Bit, isSigned, indexes[px], quantizedValues); + + if (is11Bit) + { + MSInt16 delta = ParallelMath::LosslessCast<MSInt16>::Cast(quantizedValues) - ParallelMath::LosslessCast<MSInt16>::Cast(pixels[px]); + MSInt32 deltaSq = ParallelMath::XMultiply(delta, delta); + totalError = totalError + ParallelMath::LosslessCast<MUInt31>::Cast(deltaSq); + } + else + totalError = totalError + ParallelMath::ToUInt31(ParallelMath::SqDiffUInt8(quantizedValues, pixels[px])); + } + + ParallelMath::Int16CompFlag isBetter = ParallelMath::Int32FlagToInt16(ParallelMath::Less(totalError, bestTotalError)); + if (ParallelMath::AnySet(isBetter)) + { + ParallelMath::ConditionalSet(bestTotalError, isBetter, totalError); + ParallelMath::ConditionalSet(bestTableIndex, isBetter, ParallelMath::MakeUInt15(tableIndex)); + ParallelMath::ConditionalSet(bestBaseCodeword, isBetter, baseAlpha); + ParallelMath::ConditionalSet(bestMultiplier, isBetter, multiplier); + + for (int px = 0; px < 16; px++) + ParallelMath::ConditionalSet(bestIndexes[px], isBetter, indexes[px]); + } + + // TODO: Do one refine pass + } + } + } + + if (is11Bit) + { + bestMultiplier = ParallelMath::RightShift(bestMultiplier, 3); + + if (isSigned) + bestBaseCodeword = bestBaseCodeword ^ ParallelMath::MakeUInt15(0x80); + } + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + uint8_t *output = outputBuffer + block * 8; + + output[0] = static_cast<uint8_t>(ParallelMath::Extract(bestBaseCodeword, block)); + + ParallelMath::ScalarUInt16 multiplier = ParallelMath::Extract(bestMultiplier, block); + ParallelMath::ScalarUInt16 tableIndex = ParallelMath::Extract(bestTableIndex, block); + + output[1] = static_cast<uint8_t>((multiplier << 4) | tableIndex); + + static const int pixelSelectorOrder[16] = { 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15 }; + + ParallelMath::ScalarUInt16 indexes[16]; + for (int px = 0; px < 16; px++) + indexes[pixelSelectorOrder[px]] = ParallelMath::Extract(bestIndexes[px], block); + + int outputOffset = 2; + int outputBits = 0; + int numOutputBits = 0; + for (int s = 0; s < 16; s++) + { + outputBits = (outputBits << 3) | indexes[s]; + numOutputBits += 3; + + if (numOutputBits >= 8) + { + output[outputOffset++] = static_cast<uint8_t>(outputBits >> (numOutputBits - 8)); + numOutputBits -= 8; + + outputBits &= ((1 << numOutputBits) - 1); + } + } + + assert(outputOffset == 8 && numOutputBits == 0); + } +} + +void cvtt::Internal::ETCComputer::CompressEACBlock(uint8_t *outputBuffer, const PixelBlockScalarS16 *inputBlocks, bool isSigned, const Options &options) +{ + MUInt15 pixels[16]; + for (int px = 0; px < 16; px++) + { + MSInt16 adjustedPixel; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + ParallelMath::PutSInt16(adjustedPixel, block, inputBlocks[block].m_pixels[px]); + + // We use a slightly shifted range here so we can keep the unquantized base color in a UInt15 + // That is, signed range is 1..2047, and unsigned range is 0..2047 + if (isSigned) + { + adjustedPixel = ParallelMath::Min(adjustedPixel, ParallelMath::MakeSInt16(1023)) + ParallelMath::MakeSInt16(1024); + adjustedPixel = ParallelMath::Max(ParallelMath::MakeSInt16(1), adjustedPixel); + } + else + { + adjustedPixel = ParallelMath::Min(adjustedPixel, ParallelMath::MakeSInt16(2047)); + adjustedPixel = ParallelMath::Max(ParallelMath::MakeSInt16(0), adjustedPixel); + } + + + pixels[px] = ParallelMath::LosslessCast<MUInt15>::Cast(adjustedPixel); + } + + CompressETC2AlphaBlockInternal(outputBuffer, pixels, true, isSigned, options); +} + +void cvtt::Internal::ETCComputer::CompressETC1Block(uint8_t *outputBuffer, const PixelBlockU8 *inputBlocks, ETC1CompressionData *compressionData, const Options &options) +{ + DifferentialResolveStorage &drs = static_cast<ETC1CompressionDataInternal*>(compressionData)->m_drs; + MFloat bestTotalError = ParallelMath::MakeFloat(FLT_MAX); + + MUInt15 pixels[16][3]; + MFloat preWeightedPixels[16][3]; + ExtractBlocks(pixels, preWeightedPixels, inputBlocks, options); + + CompressETC1BlockInternal(bestTotalError, outputBuffer, pixels, preWeightedPixels, drs, options, false); +} + +void cvtt::Internal::ETCComputer::ExtractBlocks(MUInt15 pixels[16][3], MFloat preWeightedPixels[16][3], const PixelBlockU8 *inputBlocks, const Options &options) +{ + bool isFakeBT709 = ((options.flags & cvtt::Flags::ETC_UseFakeBT709) != 0); + bool isUniform = ((options.flags & cvtt::Flags::Uniform) != 0); + + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 3; ch++) + { + for (int block = 0; block < ParallelMath::ParallelSize; block++) + ParallelMath::PutUInt15(pixels[px][ch], block, inputBlocks[block].m_pixels[px][ch]); + } + + if (isFakeBT709) + ConvertToFakeBT709(preWeightedPixels[px], pixels[px]); + else if (isUniform) + { + for (int ch = 0; ch < 3; ch++) + preWeightedPixels[px][ch] = ParallelMath::ToFloat(pixels[px][ch]); + } + else + { + preWeightedPixels[px][0] = ParallelMath::ToFloat(pixels[px][0]) * options.redWeight; + preWeightedPixels[px][1] = ParallelMath::ToFloat(pixels[px][1]) * options.greenWeight; + preWeightedPixels[px][2] = ParallelMath::ToFloat(pixels[px][2]) * options.blueWeight; + } + } +} + +void cvtt::Internal::ETCComputer::ResolveHalfBlockFakeBT709RoundingAccurate(MUInt15 quantized[3], const MUInt15 sectorCumulative[3], bool isDifferential) +{ + for (int ch = 0; ch < 3; ch++) + { + const MUInt15& cu15 = sectorCumulative[ch]; + + if (isDifferential) + { + //quantized[ch] = (cu * 31 + (cu >> 3)) >> 11; + quantized[ch] = ParallelMath::ToUInt15( + ParallelMath::RightShift( + (ParallelMath::LosslessCast<MUInt16>::Cast(cu15) << 5) - ParallelMath::LosslessCast<MUInt16>::Cast(cu15) + ParallelMath::LosslessCast<MUInt16>::Cast(ParallelMath::RightShift(cu15, 3)) + , 11) + ); + } + else + { + //quantized[ch] = (cu * 30 + (cu >> 3)) >> 12; + quantized[ch] = ParallelMath::ToUInt15( + ParallelMath::RightShift( + (ParallelMath::LosslessCast<MUInt16>::Cast(cu15) << 5) - ParallelMath::LosslessCast<MUInt16>::Cast(cu15 << 1) + ParallelMath::LosslessCast<MUInt16>::Cast(ParallelMath::RightShift(cu15, 3)) + , 12) + ); + } + } + + MFloat lowOctantRGBFloat[3]; + MFloat highOctantRGBFloat[3]; + + for (int ch = 0; ch < 3; ch++) + { + MUInt15 unquantized; + MUInt15 unquantizedNext; + if (isDifferential) + { + unquantized = (quantized[ch] << 3) | ParallelMath::RightShift(quantized[ch], 2); + MUInt15 quantizedNext = ParallelMath::Min(ParallelMath::MakeUInt15(31), quantized[ch] + ParallelMath::MakeUInt15(1)); + unquantizedNext = (quantizedNext << 3) | ParallelMath::RightShift(quantizedNext, 2); + } + else + { + unquantized = (quantized[ch] << 4) | quantized[ch]; + unquantizedNext = ParallelMath::Min(ParallelMath::MakeUInt15(255), unquantized + ParallelMath::MakeUInt15(17)); + } + lowOctantRGBFloat[ch] = ParallelMath::ToFloat(unquantized << 3); + highOctantRGBFloat[ch] = ParallelMath::ToFloat(unquantizedNext << 3); + } + + MFloat bestError = ParallelMath::MakeFloat(FLT_MAX); + MUInt15 bestOctant = ParallelMath::MakeUInt15(0); + + MFloat cumulativeYUV[3]; + ConvertToFakeBT709(cumulativeYUV, sectorCumulative); + + for (uint16_t octant = 0; octant < 8; octant++) + { + const MFloat &r = (octant & 1) ? highOctantRGBFloat[0] : lowOctantRGBFloat[0]; + const MFloat &g = (octant & 2) ? highOctantRGBFloat[1] : lowOctantRGBFloat[1]; + const MFloat &b = (octant & 4) ? highOctantRGBFloat[2] : lowOctantRGBFloat[2]; + + MFloat octantYUV[3]; + ConvertToFakeBT709(octantYUV, r, g, b); + + MFloat delta[3]; + for (int ch = 0; ch < 3; ch++) + delta[ch] = octantYUV[ch] - cumulativeYUV[ch]; + + MFloat error = delta[0] * delta[0] + delta[1] + delta[1] + delta[2] * delta[2]; + ParallelMath::Int16CompFlag errorBetter = ParallelMath::FloatFlagToInt16(ParallelMath::Less(error, bestError)); + ParallelMath::ConditionalSet(bestOctant, errorBetter, ParallelMath::MakeUInt15(octant)); + bestError = ParallelMath::Min(error, bestError); + } + + for (int ch = 0; ch < 3; ch++) + quantized[ch] = quantized[ch] + (ParallelMath::RightShift(bestOctant, ch) & ParallelMath::MakeUInt15(1)); +} + +void cvtt::Internal::ETCComputer::ResolveHalfBlockFakeBT709RoundingFast(MUInt15 quantized[3], const MUInt15 sectorCumulative[3], bool isDifferential) +{ + // sectorCumulative range is 0..2040 (11 bits) + MUInt15 roundingOffset = ParallelMath::MakeUInt15(0); + + MUInt15 rOffset; + MUInt15 gOffset; + MUInt15 bOffset; + MUInt15 quantizedBase[3]; + MUInt15 upperBound; + + MUInt15 sectorCumulativeFillIn[3]; + for (int ch = 0; ch < 3; ch++) + sectorCumulativeFillIn[ch] = sectorCumulative[ch] + ParallelMath::RightShift(sectorCumulative[ch], 8); + + if (isDifferential) + { + rOffset = (sectorCumulativeFillIn[0] << 6) & ParallelMath::MakeUInt15(0xf00); + gOffset = (sectorCumulativeFillIn[1] << 4) & ParallelMath::MakeUInt15(0x0f0); + bOffset = ParallelMath::RightShift(sectorCumulativeFillIn[2], 2) & ParallelMath::MakeUInt15(0x00f); + + for (int ch = 0; ch < 3; ch++) + quantizedBase[ch] = ParallelMath::RightShift(sectorCumulativeFillIn[ch], 6); + + upperBound = ParallelMath::MakeUInt15(31); + } + else + { + rOffset = (sectorCumulativeFillIn[0] << 5) & ParallelMath::MakeUInt15(0xf00); + gOffset = (sectorCumulativeFillIn[1] << 1) & ParallelMath::MakeUInt15(0x0f0); + bOffset = ParallelMath::RightShift(sectorCumulativeFillIn[2], 3) & ParallelMath::MakeUInt15(0x00f); + + for (int ch = 0; ch < 3; ch++) + quantizedBase[ch] = ParallelMath::RightShift(sectorCumulativeFillIn[ch], 7); + + upperBound = ParallelMath::MakeUInt15(15); + } + + MUInt15 lookupIndex = (rOffset | gOffset | bOffset); + + MUInt15 octant; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + ParallelMath::PutUInt15(octant, block, Tables::FakeBT709::g_rounding16[ParallelMath::Extract(lookupIndex, block)]); + + quantizedBase[0] = quantizedBase[0] + (octant & ParallelMath::MakeUInt15(1)); + quantizedBase[1] = quantizedBase[1] + (ParallelMath::RightShift(octant, 1) & ParallelMath::MakeUInt15(1)); + quantizedBase[2] = quantizedBase[2] + (ParallelMath::RightShift(octant, 2) & ParallelMath::MakeUInt15(1)); + + for (int ch = 0; ch < 3; ch++) + quantized[ch] = ParallelMath::Min(quantizedBase[ch], upperBound); +} + +void cvtt::Internal::ETCComputer::ResolveTHFakeBT709Rounding(MUInt15 quantized[3], const MUInt15 targets[3], const MUInt15 &granularity) +{ + MFloat lowOctantRGBFloat[3]; + MFloat highOctantRGBFloat[3]; + + for (int ch = 0; ch < 3; ch++) + { + MUInt15 unquantized = (quantized[ch] << 4) | quantized[ch]; + MUInt15 unquantizedNext = ParallelMath::Min(ParallelMath::MakeUInt15(255), unquantized + ParallelMath::MakeUInt15(17)); + + lowOctantRGBFloat[ch] = ParallelMath::ToFloat(ParallelMath::CompactMultiply(unquantized, granularity) << 1); + highOctantRGBFloat[ch] = ParallelMath::ToFloat(ParallelMath::CompactMultiply(unquantizedNext, granularity) << 1); + } + + MFloat bestError = ParallelMath::MakeFloat(FLT_MAX); + MUInt15 bestOctant = ParallelMath::MakeUInt15(0); + + MFloat cumulativeYUV[3]; + ConvertToFakeBT709(cumulativeYUV, ParallelMath::ToFloat(targets[0]), ParallelMath::ToFloat(targets[1]), ParallelMath::ToFloat(targets[2])); + + for (uint16_t octant = 0; octant < 8; octant++) + { + const MFloat &r = (octant & 1) ? highOctantRGBFloat[0] : lowOctantRGBFloat[0]; + const MFloat &g = (octant & 2) ? highOctantRGBFloat[1] : lowOctantRGBFloat[1]; + const MFloat &b = (octant & 4) ? highOctantRGBFloat[2] : lowOctantRGBFloat[2]; + + MFloat octantYUV[3]; + ConvertToFakeBT709(octantYUV, r, g, b); + + MFloat delta[3]; + for (int ch = 0; ch < 3; ch++) + delta[ch] = octantYUV[ch] - cumulativeYUV[ch]; + + MFloat error = delta[0] * delta[0] + delta[1] + delta[1] + delta[2] * delta[2]; + ParallelMath::Int16CompFlag errorBetter = ParallelMath::FloatFlagToInt16(ParallelMath::Less(error, bestError)); + ParallelMath::ConditionalSet(bestOctant, errorBetter, ParallelMath::MakeUInt15(octant)); + bestError = ParallelMath::Min(error, bestError); + } + + for (int ch = 0; ch < 3; ch++) + quantized[ch] = quantized[ch] + (ParallelMath::RightShift(bestOctant, ch) & ParallelMath::MakeUInt15(1)); +} + +void cvtt::Internal::ETCComputer::ConvertToFakeBT709(MFloat yuv[3], const MUInt15 color[3]) +{ + MFloat floatRGB[3]; + for (int ch = 0; ch < 3; ch++) + floatRGB[ch] = ParallelMath::ToFloat(color[ch]); + + ConvertToFakeBT709(yuv, floatRGB); +} + +void cvtt::Internal::ETCComputer::ConvertToFakeBT709(MFloat yuv[3], const MFloat color[3]) +{ + ConvertToFakeBT709(yuv, color[0], color[1], color[2]); +} + +void cvtt::Internal::ETCComputer::ConvertToFakeBT709(MFloat yuv[3], const MFloat &pr, const MFloat &pg, const MFloat &pb) +{ + MFloat r = pr; + MFloat g = pg; + MFloat b = pb; + + yuv[0] = r * 0.368233989135369f + g * 1.23876274963149f + b * 0.125054068802017f; + yuv[1] = r * 0.5f - g * 0.4541529f - b * 0.04584709f; + yuv[2] = r * -0.081014709086133f - g * 0.272538676238785f + b * 0.353553390593274f; +} + +void cvtt::Internal::ETCComputer::ConvertFromFakeBT709(MFloat rgb[3], const MFloat yuv[3]) +{ + MFloat yy = yuv[0] * 0.57735026466774571071f; + MFloat u = yuv[1]; + MFloat v = yuv[2]; + + rgb[0] = yy + u * 1.5748000207960953486f; + rgb[1] = yy - u * 0.46812425854364753669f - v * 0.26491652528157560861f; + rgb[2] = yy + v * 2.6242146882856944069f; +} + + +void cvtt::Internal::ETCComputer::QuantizeETC2Alpha(int tableIndex, const MUInt15& value, const MUInt15& baseValue, const MUInt15& multiplier, bool is11Bit, bool isSigned, MUInt15& outIndexes, MUInt15& outQuantizedValues) +{ + MSInt16 offset = ParallelMath::LosslessCast<MSInt16>::Cast(value) - ParallelMath::LosslessCast<MSInt16>::Cast(baseValue); + MSInt16 offsetTimes2 = offset + offset; + + // ETC2's offset tables all have a reflect about 0.5*multiplier + MSInt16 offsetAboutReflectorTimes2 = offsetTimes2 + ParallelMath::LosslessCast<MSInt16>::Cast(multiplier); + + MUInt15 absOffsetAboutReflectorTimes2 = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Abs(offsetAboutReflectorTimes2)); + MUInt15 lookupIndex = ParallelMath::RightShift(absOffsetAboutReflectorTimes2, 1); + + MUInt15 positiveIndex; + MUInt15 positiveOffsetUnmultiplied; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + uint16_t blockLookupIndex = ParallelMath::Extract(lookupIndex, block) / ParallelMath::Extract(multiplier, block); + if (blockLookupIndex >= Tables::ETC2::g_alphaRoundingTableWidth) + blockLookupIndex = Tables::ETC2::g_alphaRoundingTableWidth - 1; + uint16_t index = Tables::ETC2::g_alphaRoundingTables[tableIndex][blockLookupIndex]; + ParallelMath::PutUInt15(positiveIndex, block, index); + ParallelMath::PutUInt15(positiveOffsetUnmultiplied, block, Tables::ETC2::g_alphaModifierTablePositive[tableIndex][index]); + + // TODO: This is suboptimal when the offset is capped. We should detect 0 and 255 values and always map them to the maximum offsets. + // Doing that will also affect refinement though. + } + + MSInt16 signBits = ParallelMath::RightShift(offsetAboutReflectorTimes2, 15); + MSInt16 offsetUnmultiplied = ParallelMath::LosslessCast<MSInt16>::Cast(positiveOffsetUnmultiplied) ^ signBits; + MSInt16 quantizedOffset = ParallelMath::CompactMultiply(offsetUnmultiplied, multiplier); + + MSInt16 offsetValue = ParallelMath::LosslessCast<MSInt16>::Cast(baseValue) + quantizedOffset; + + if (is11Bit) + { + if (isSigned) + outQuantizedValues = ParallelMath::Min(ParallelMath::MakeUInt15(2047), ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Max(ParallelMath::MakeSInt16(1), offsetValue))); + else + outQuantizedValues = ParallelMath::Min(ParallelMath::MakeUInt15(2047), ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Max(ParallelMath::MakeSInt16(0), offsetValue))); + } + else + outQuantizedValues = ParallelMath::Min(ParallelMath::MakeUInt15(255), ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::Max(ParallelMath::MakeSInt16(0), offsetValue))); + + MUInt15 indexSub = ParallelMath::LosslessCast<MUInt15>::Cast(signBits) & ParallelMath::MakeUInt15(4); + + outIndexes = positiveIndex + ParallelMath::MakeUInt15(4) - indexSub; +} + + +void cvtt::Internal::ETCComputer::EmitTModeBlock(uint8_t *outputBuffer, const ParallelMath::ScalarUInt16 lineColor[3], const ParallelMath::ScalarUInt16 isolatedColor[3], int32_t packedSelectors, ParallelMath::ScalarUInt16 table, bool opaque) +{ + static const int selectorOrder[] = { 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15 }; + + uint32_t lowBits = 0; + uint32_t highBits = 0; + + int rh = ((isolatedColor[0] >> 2) & 3); + int rl = (isolatedColor[0] & 3); + + if (rh + rl < 4) + { + // Overflow low + highBits |= 1 << (58 - 32); + } + else + { + // Overflow high + highBits |= 7 << (61 - 32); + } + + highBits |= rh << (59 - 32); + highBits |= rl << (56 - 32); + highBits |= isolatedColor[1] << (52 - 32); + highBits |= isolatedColor[2] << (48 - 32); + highBits |= lineColor[0] << (44 - 32); + highBits |= lineColor[1] << (40 - 32); + highBits |= lineColor[2] << (36 - 32); + highBits |= ((table >> 1) & 3) << (34 - 32); + if (opaque) + highBits |= 1 << (33 - 32); + highBits |= (table & 1) << (32 - 32); + + for (int px = 0; px < 16; px++) + { + int sel = (packedSelectors >> (2 * selectorOrder[px])) & 3; + if ((sel & 0x1) != 0) + lowBits |= (1 << px); + if ((sel & 0x2) != 0) + lowBits |= (1 << (16 + px)); + } + + for (int i = 0; i < 4; i++) + outputBuffer[i] = (highBits >> (24 - i * 8)) & 0xff; + for (int i = 0; i < 4; i++) + outputBuffer[i + 4] = (lowBits >> (24 - i * 8)) & 0xff; +} + +void cvtt::Internal::ETCComputer::EmitHModeBlock(uint8_t *outputBuffer, const ParallelMath::ScalarUInt16 blockColors[2], ParallelMath::ScalarUInt16 sectorBits, ParallelMath::ScalarUInt16 signBits, ParallelMath::ScalarUInt16 table, bool opaque) +{ + if (blockColors[0] == blockColors[1]) + { + // Base colors are the same. + // If the table low bit isn't 1, then we can't encode this, because swapping the block colors will have no effect + // on their order. + // Instead, we encode this as T mode where all of the indexes are on the line. + + ParallelMath::ScalarUInt16 lineColor[3]; + ParallelMath::ScalarUInt16 isolatedColor[3]; + + lineColor[0] = isolatedColor[0] = (blockColors[0] >> 10) & 0x1f; + lineColor[1] = isolatedColor[1] = (blockColors[0] >> 5) & 0x1f; + lineColor[2] = isolatedColor[2] = (blockColors[0] >> 0) & 0x1f; + + int32_t packedSelectors = 0x55555555; + for (int px = 0; px < 16; px++) + packedSelectors |= ((signBits >> px) & 1) << ((px * 2) + 1); + + EmitTModeBlock(outputBuffer, lineColor, isolatedColor, packedSelectors, table, opaque); + return; + } + + static const int selectorOrder[] = { 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15 }; + + int16_t colors[2][3]; + for (int sector = 0; sector < 2; sector++) + { + for (int ch = 0; ch < 3; ch++) + colors[sector][ch] = (blockColors[sector] >> ((2 - ch) * 5)) & 15; + } + + uint32_t lowBits = 0; + uint32_t highBits = 0; + + if (((table & 1) == 1) != (blockColors[0] > blockColors[1])) + { + for (int ch = 0; ch < 3; ch++) + std::swap(colors[0][ch], colors[1][ch]); + sectorBits ^= 0xffff; + } + + int r1 = colors[0][0]; + int g1a = colors[0][1] >> 1; + int g1b = (colors[0][1] & 1); + int b1a = colors[0][2] >> 3; + int b1b = colors[0][2] & 7; + int r2 = colors[1][0]; + int g2 = colors[1][1]; + int b2 = colors[1][2]; + + // Avoid overflowing R + if ((g1a & 4) != 0 && r1 + g1a < 8) + highBits |= 1 << (63 - 32); + + int fakeDG = b1b >> 1; + int fakeG = b1a | (g1b << 1); + + if (fakeG + fakeDG < 4) + { + // Overflow low + highBits |= 1 << (50 - 32); + } + else + { + // Overflow high + highBits |= 7 << (53 - 32); + } + + int da = (table >> 2) & 1; + int db = (table >> 1) & 1; + + highBits |= r1 << (59 - 32); + highBits |= g1a << (56 - 32); + highBits |= g1b << (52 - 32); + highBits |= b1a << (51 - 32); + highBits |= b1b << (47 - 32); + highBits |= r2 << (43 - 32); + highBits |= g2 << (39 - 32); + highBits |= b2 << (35 - 32); + highBits |= da << (34 - 32); + if (opaque) + highBits |= 1 << (33 - 32); + highBits |= db << (32 - 32); + + for (int px = 0; px < 16; px++) + { + int sectorBit = (sectorBits >> selectorOrder[px]) & 1; + int signBit = (signBits >> selectorOrder[px]) & 1; + + lowBits |= (signBit << px); + lowBits |= (sectorBit << (16 + px)); + } + + uint8_t *output = outputBuffer; + + for (int i = 0; i < 4; i++) + output[i] = (highBits >> (24 - i * 8)) & 0xff; + for (int i = 0; i < 4; i++) + output[i + 4] = (lowBits >> (24 - i * 8)) & 0xff; +} + +void cvtt::Internal::ETCComputer::EmitETC1Block(uint8_t *outputBuffer, int blockBestFlip, int blockBestD, const int blockBestColors[2][3], const int blockBestTables[2], const ParallelMath::ScalarUInt16 blockBestSelectors[2], bool transparent) +{ + uint32_t highBits = 0; + uint32_t lowBits = 0; + + if (blockBestD == 0) + { + highBits |= blockBestColors[0][0] << 28; + highBits |= blockBestColors[1][0] << 24; + highBits |= blockBestColors[0][1] << 20; + highBits |= blockBestColors[1][1] << 16; + highBits |= blockBestColors[0][2] << 12; + highBits |= blockBestColors[1][2] << 8; + } + else + { + highBits |= blockBestColors[0][0] << 27; + highBits |= ((blockBestColors[1][0] - blockBestColors[0][0]) & 7) << 24; + highBits |= blockBestColors[0][1] << 19; + highBits |= ((blockBestColors[1][1] - blockBestColors[0][1]) & 7) << 16; + highBits |= blockBestColors[0][2] << 11; + highBits |= ((blockBestColors[1][2] - blockBestColors[0][2]) & 7) << 8; + } + + highBits |= (blockBestTables[0] << 5); + highBits |= (blockBestTables[1] << 2); + if (!transparent) + highBits |= (blockBestD << 1); + highBits |= blockBestFlip; + + const uint8_t modifierCodes[4] = { 3, 2, 0, 1 }; + + uint8_t unpackedSelectors[16]; + uint8_t unpackedSelectorCodes[16]; + for (int sector = 0; sector < 2; sector++) + { + int blockSectorBestSelectors = blockBestSelectors[sector]; + + for (int px = 0; px < 8; px++) + { + int selector = (blockSectorBestSelectors >> (2 * px)) & 3; + unpackedSelectorCodes[g_flipTables[blockBestFlip][sector][px]] = modifierCodes[selector]; + unpackedSelectors[g_flipTables[blockBestFlip][sector][px]] = selector; + } + } + + const int pixelSelectorOrder[16] = { 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15 }; + + int lowBitOffset = 0; + for (int sb = 0; sb < 2; sb++) + for (int px = 0; px < 16; px++) + lowBits |= ((unpackedSelectorCodes[pixelSelectorOrder[px]] >> sb) & 1) << (px + sb * 16); + + for (int i = 0; i < 4; i++) + outputBuffer[i] = (highBits >> (24 - i * 8)) & 0xff; + for (int i = 0; i < 4; i++) + outputBuffer[i + 4] = (lowBits >> (24 - i * 8)) & 0xff; +} + +void cvtt::Internal::ETCComputer::CompressETC1BlockInternal(MFloat &bestTotalError, uint8_t *outputBuffer, const MUInt15 pixels[16][3], const MFloat preWeightedPixels[16][3], DifferentialResolveStorage &drs, const Options &options, bool punchthrough) +{ + int numTries = 0; + + MUInt15 zeroU15 = ParallelMath::MakeUInt15(0); + MUInt16 zeroU16 = ParallelMath::MakeUInt16(0); + + MUInt15 bestColors[2] = { zeroU15, zeroU15 }; + MUInt16 bestSelectors[2] = { zeroU16, zeroU16 }; + MUInt15 bestTables[2] = { zeroU15, zeroU15 }; + MUInt15 bestFlip = zeroU15; + MUInt15 bestD = zeroU15; + + MUInt15 sectorPixels[2][2][8][3]; + MFloat sectorPreWeightedPixels[2][2][8][3]; + MUInt15 sectorCumulative[2][2][3]; + + ParallelMath::Int16CompFlag bestIsThisMode = ParallelMath::MakeBoolInt16(false); + + for (int flip = 0; flip < 2; flip++) + { + for (int sector = 0; sector < 2; sector++) + { + for (int ch = 0; ch < 3; ch++) + sectorCumulative[flip][sector][ch] = zeroU15; + + for (int px = 0; px < 8; px++) + { + for (int ch = 0; ch < 3; ch++) + { + MUInt15 pixelChannelValue = pixels[g_flipTables[flip][sector][px]][ch]; + sectorPixels[flip][sector][px][ch] = pixelChannelValue; + sectorPreWeightedPixels[flip][sector][px][ch] = preWeightedPixels[g_flipTables[flip][sector][px]][ch]; + sectorCumulative[flip][sector][ch] = sectorCumulative[flip][sector][ch] + pixelChannelValue; + } + } + } + } + + static const MSInt16 modifierTables[8][4] = + { + { ParallelMath::MakeSInt16(-8), ParallelMath::MakeSInt16(-2), ParallelMath::MakeSInt16(2), ParallelMath::MakeSInt16(8) }, + { ParallelMath::MakeSInt16(-17), ParallelMath::MakeSInt16(-5), ParallelMath::MakeSInt16(5), ParallelMath::MakeSInt16(17) }, + { ParallelMath::MakeSInt16(-29), ParallelMath::MakeSInt16(-9), ParallelMath::MakeSInt16(9), ParallelMath::MakeSInt16(29) }, + { ParallelMath::MakeSInt16(-42), ParallelMath::MakeSInt16(-13), ParallelMath::MakeSInt16(13), ParallelMath::MakeSInt16(42) }, + { ParallelMath::MakeSInt16(-60), ParallelMath::MakeSInt16(-18), ParallelMath::MakeSInt16(18), ParallelMath::MakeSInt16(60) }, + { ParallelMath::MakeSInt16(-80), ParallelMath::MakeSInt16(-24), ParallelMath::MakeSInt16(24), ParallelMath::MakeSInt16(80) }, + { ParallelMath::MakeSInt16(-106), ParallelMath::MakeSInt16(-33), ParallelMath::MakeSInt16(33), ParallelMath::MakeSInt16(106) }, + { ParallelMath::MakeSInt16(-183), ParallelMath::MakeSInt16(-47), ParallelMath::MakeSInt16(47), ParallelMath::MakeSInt16(183) }, + }; + + bool isFakeBT709 = ((options.flags & cvtt::Flags::ETC_UseFakeBT709) != 0); + + int minD = punchthrough ? 1 : 0; + + for (int flip = 0; flip < 2; flip++) + { + drs.diffNumAttempts[0] = drs.diffNumAttempts[1] = zeroU15; + + MFloat bestIndError[2] = { ParallelMath::MakeFloat(FLT_MAX), ParallelMath::MakeFloat(FLT_MAX) }; + MUInt16 bestIndSelectors[2] = { ParallelMath::MakeUInt16(0), ParallelMath::MakeUInt16(0) }; + MUInt15 bestIndColors[2] = { zeroU15, zeroU15 }; + MUInt15 bestIndTable[2] = { zeroU15, zeroU15 }; + + for (int d = minD; d < 2; d++) + { + for (int sector = 0; sector < 2; sector++) + { + const int16_t *potentialOffsets = cvtt::Tables::ETC1::g_potentialOffsets4; + + for (int table = 0; table < 8; table++) + { + int16_t numOffsets = *potentialOffsets++; + + MUInt15 possibleColors[cvtt::Tables::ETC1::g_maxPotentialOffsets]; + + MUInt15 quantized[3]; + for (int oi = 0; oi < numOffsets; oi++) + { + if (!isFakeBT709) + { + for (int ch = 0; ch < 3; ch++) + { + // cu is in range 0..2040 + MUInt15 cu15 = ParallelMath::Min( + ParallelMath::MakeUInt15(2040), + ParallelMath::ToUInt15( + ParallelMath::Max( + ParallelMath::MakeSInt16(0), + ParallelMath::LosslessCast<MSInt16>::Cast(sectorCumulative[flip][sector][ch]) + ParallelMath::MakeSInt16(potentialOffsets[oi]) + ) + ) + ); + + if (d == 1) + { + //quantized[ch] = (cu * 31 + (cu >> 3) + 1024) >> 11; + quantized[ch] = ParallelMath::ToUInt15( + ParallelMath::RightShift( + (ParallelMath::LosslessCast<MUInt16>::Cast(cu15) << 5) - ParallelMath::LosslessCast<MUInt16>::Cast(cu15) + ParallelMath::LosslessCast<MUInt16>::Cast(ParallelMath::RightShift(cu15, 3)) + ParallelMath::MakeUInt16(1024) + , 11) + ); + } + else + { + //quantized[ch] = (cu * 30 + (cu >> 3) + 2048) >> 12; + quantized[ch] = ParallelMath::ToUInt15( + ParallelMath::RightShift( + (ParallelMath::LosslessCast<MUInt16>::Cast(cu15) << 5) - ParallelMath::LosslessCast<MUInt16>::Cast(cu15 << 1) + ParallelMath::LosslessCast<MUInt16>::Cast(ParallelMath::RightShift(cu15, 3)) + ParallelMath::MakeUInt16(2048) + , 12) + ); + } + } + } + else + { + MUInt15 offsetCumulative[3]; + for (int ch = 0; ch < 3; ch++) + { + // cu is in range 0..2040 + MUInt15 cu15 = ParallelMath::Min( + ParallelMath::MakeUInt15(2040), + ParallelMath::ToUInt15( + ParallelMath::Max( + ParallelMath::MakeSInt16(0), + ParallelMath::LosslessCast<MSInt16>::Cast(sectorCumulative[flip][sector][ch]) + ParallelMath::MakeSInt16(potentialOffsets[oi]) + ) + ) + ); + + offsetCumulative[ch] = cu15; + } + + if ((options.flags & cvtt::Flags::ETC_FakeBT709Accurate) != 0) + ResolveHalfBlockFakeBT709RoundingAccurate(quantized, offsetCumulative, d == 1); + else + ResolveHalfBlockFakeBT709RoundingFast(quantized, offsetCumulative, d == 1); + } + + possibleColors[oi] = quantized[0] | (quantized[1] << 5) | (quantized[2] << 10); + } + + potentialOffsets += numOffsets; + + ParallelMath::UInt15 numUniqueColors; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + uint16_t blockNumUniqueColors = 1; + for (int i = 1; i < numOffsets; i++) + { + uint16_t color = ParallelMath::Extract(possibleColors[i], block); + if (color != ParallelMath::Extract(possibleColors[blockNumUniqueColors - 1], block)) + ParallelMath::PutUInt15(possibleColors[blockNumUniqueColors++], block, color); + } + + ParallelMath::PutUInt15(numUniqueColors, block, blockNumUniqueColors); + } + + int maxUniqueColors = ParallelMath::Extract(numUniqueColors, 0); + for (int block = 1; block < ParallelMath::ParallelSize; block++) + maxUniqueColors = std::max<int>(maxUniqueColors, ParallelMath::Extract(numUniqueColors, block)); + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + uint16_t fillColor = ParallelMath::Extract(possibleColors[0], block); + for (int i = ParallelMath::Extract(numUniqueColors, block); i < maxUniqueColors; i++) + ParallelMath::PutUInt15(possibleColors[i], block, fillColor); + } + + for (int i = 0; i < maxUniqueColors; i++) + { + MFloat error = ParallelMath::MakeFloatZero(); + MUInt16 selectors = ParallelMath::MakeUInt16(0); + MUInt15 quantized = possibleColors[i]; + TestHalfBlock(error, selectors, quantized, sectorPixels[flip][sector], sectorPreWeightedPixels[flip][sector], modifierTables[table], d == 1, options); + + if (d == 0) + { + ParallelMath::Int16CompFlag errorBetter = ParallelMath::FloatFlagToInt16(ParallelMath::Less(error, bestIndError[sector])); + if (ParallelMath::AnySet(errorBetter)) + { + bestIndError[sector] = ParallelMath::Min(error, bestIndError[sector]); + ParallelMath::ConditionalSet(bestIndSelectors[sector], errorBetter, selectors); + ParallelMath::ConditionalSet(bestIndColors[sector], errorBetter, quantized); + ParallelMath::ConditionalSet(bestIndTable[sector], errorBetter, ParallelMath::MakeUInt15(table)); + } + } + else + { + ParallelMath::Int16CompFlag isInBounds = ParallelMath::Less(ParallelMath::MakeUInt15(i), numUniqueColors); + + MUInt15 storageIndexes = drs.diffNumAttempts[sector]; + drs.diffNumAttempts[sector] = drs.diffNumAttempts[sector] + ParallelMath::SelectOrZero(isInBounds, ParallelMath::MakeUInt15(1)); + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int storageIndex = ParallelMath::Extract(storageIndexes, block); + + ParallelMath::PutFloat(drs.diffErrors[sector][storageIndex], block, ParallelMath::Extract(error, block)); + ParallelMath::PutUInt16(drs.diffSelectors[sector][storageIndex], block, ParallelMath::Extract(selectors, block)); + ParallelMath::PutUInt15(drs.diffColors[sector][storageIndex], block, ParallelMath::Extract(quantized, block)); + ParallelMath::PutUInt15(drs.diffTables[sector][storageIndex], block, table); + } + } + } + } + } + + if (d == 0) + { + MFloat bestIndErrorTotal = bestIndError[0] + bestIndError[1]; + ParallelMath::Int16CompFlag errorBetter = ParallelMath::FloatFlagToInt16(ParallelMath::Less(bestIndErrorTotal, bestTotalError)); + if (ParallelMath::AnySet(errorBetter)) + { + bestIsThisMode = bestIsThisMode | errorBetter; + + bestTotalError = ParallelMath::Min(bestTotalError, bestIndErrorTotal); + ParallelMath::ConditionalSet(bestFlip, errorBetter, ParallelMath::MakeUInt15(flip)); + ParallelMath::ConditionalSet(bestD, errorBetter, ParallelMath::MakeUInt15(d)); + for (int sector = 0; sector < 2; sector++) + { + ParallelMath::ConditionalSet(bestColors[sector], errorBetter, bestIndColors[sector]); + ParallelMath::ConditionalSet(bestSelectors[sector], errorBetter, bestIndSelectors[sector]); + ParallelMath::ConditionalSet(bestTables[sector], errorBetter, bestIndTable[sector]); + } + } + } + else + { + ParallelMath::Int16CompFlag canIgnoreSector[2] = { ParallelMath::MakeBoolInt16(false), ParallelMath::MakeBoolInt16(false) }; + FindBestDifferentialCombination(flip, d, canIgnoreSector, bestIsThisMode, bestTotalError, bestFlip, bestD, bestColors, bestSelectors, bestTables, drs); + } + } + } + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + if (!ParallelMath::Extract(bestIsThisMode, block)) + continue; + + uint32_t highBits = 0; + uint32_t lowBits = 0; + + int blockBestFlip = ParallelMath::Extract(bestFlip, block); + int blockBestD = ParallelMath::Extract(bestD, block); + int blockBestTables[2] = { ParallelMath::Extract(bestTables[0], block), ParallelMath::Extract(bestTables[1], block) }; + ParallelMath::ScalarUInt16 blockBestSelectors[2] = { ParallelMath::Extract(bestSelectors[0], block), ParallelMath::Extract(bestSelectors[1], block) }; + + int colors[2][3]; + for (int sector = 0; sector < 2; sector++) + { + int sectorColor = ParallelMath::Extract(bestColors[sector], block); + for (int ch = 0; ch < 3; ch++) + colors[sector][ch] = (sectorColor >> (ch * 5)) & 31; + } + + EmitETC1Block(outputBuffer + block * 8, blockBestFlip, blockBestD, colors, blockBestTables, blockBestSelectors, false); + } +} + + +void cvtt::Internal::ETCComputer::CompressETC1PunchthroughBlockInternal(MFloat &bestTotalError, uint8_t *outputBuffer, const MUInt15 pixels[16][3], const MFloat preWeightedPixels[16][3], const ParallelMath::Int16CompFlag isTransparent[16], DifferentialResolveStorage &drs, const Options &options) +{ + int numTries = 0; + + MUInt15 zeroU15 = ParallelMath::MakeUInt15(0); + MUInt16 zeroU16 = ParallelMath::MakeUInt16(0); + + MUInt15 bestColors[2] = { zeroU15, zeroU15 }; + MUInt16 bestSelectors[2] = { zeroU16, zeroU16 }; + MUInt15 bestTables[2] = { zeroU15, zeroU15 }; + MUInt15 bestFlip = zeroU15; + + MUInt15 sectorPixels[2][2][8][3]; + ParallelMath::Int16CompFlag sectorTransparent[2][2][8]; + MFloat sectorPreWeightedPixels[2][2][8][3]; + MUInt15 sectorCumulative[2][2][3]; + + ParallelMath::Int16CompFlag bestIsThisMode = ParallelMath::MakeBoolInt16(false); + + for (int flip = 0; flip < 2; flip++) + { + for (int sector = 0; sector < 2; sector++) + { + for (int ch = 0; ch < 3; ch++) + sectorCumulative[flip][sector][ch] = zeroU15; + + for (int px = 0; px < 8; px++) + { + for (int ch = 0; ch < 3; ch++) + { + MUInt15 pixelChannelValue = pixels[g_flipTables[flip][sector][px]][ch]; + sectorPixels[flip][sector][px][ch] = pixelChannelValue; + sectorPreWeightedPixels[flip][sector][px][ch] = preWeightedPixels[g_flipTables[flip][sector][px]][ch]; + sectorCumulative[flip][sector][ch] = sectorCumulative[flip][sector][ch] + pixelChannelValue; + } + + sectorTransparent[flip][sector][px] = isTransparent[g_flipTables[flip][sector][px]]; + } + } + } + + static const MUInt15 modifiers[8] = + { + ParallelMath::MakeUInt15(8), + ParallelMath::MakeUInt15(17), + ParallelMath::MakeUInt15(29), + ParallelMath::MakeUInt15(42), + ParallelMath::MakeUInt15(60), + ParallelMath::MakeUInt15(80), + ParallelMath::MakeUInt15(106), + ParallelMath::MakeUInt15(183), + }; + + bool isFakeBT709 = ((options.flags & cvtt::Flags::ETC_UseFakeBT709) != 0); + + const int maxSectorCumulativeOffsets = 17; + + for (int flip = 0; flip < 2; flip++) + { + ParallelMath::Int16CompFlag canIgnoreSector[2] = { ParallelMath::MakeBoolInt16(true), ParallelMath::MakeBoolInt16(false) }; + + for (int sector = 0; sector < 2; sector++) + for (int px = 0; px < 8; px++) + canIgnoreSector[sector] = canIgnoreSector[sector] & sectorTransparent[flip][sector][px]; + + drs.diffNumAttempts[0] = drs.diffNumAttempts[1] = zeroU15; + + for (int sector = 0; sector < 2; sector++) + { + MUInt15 sectorNumOpaque = ParallelMath::MakeUInt15(0); + for (int px = 0; px < 8; px++) + sectorNumOpaque = sectorNumOpaque + ParallelMath::SelectOrZero(sectorTransparent[flip][sector][px], ParallelMath::MakeUInt15(1)); + + int sectorMaxOpaque = 0; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + sectorMaxOpaque = std::max<int>(sectorMaxOpaque, ParallelMath::Extract(sectorNumOpaque, block)); + + int sectorNumOpaqueMultipliers = sectorMaxOpaque * 2 + 1; + + MUInt15 sectorNumOpaqueDenominator = ParallelMath::Max(ParallelMath::MakeUInt15(1), sectorNumOpaque) << 8; + MUInt15 sectorNumOpaqueAddend = sectorNumOpaque << 7; + + MSInt16 sectorNumOpaqueSigned = ParallelMath::LosslessCast<MSInt16>::Cast(sectorNumOpaque); + MSInt16 negSectorNumOpaqueSigned = ParallelMath::MakeSInt16(0) - sectorNumOpaqueSigned; + + MUInt15 sectorCumulativeMax = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::CompactMultiply(ParallelMath::MakeUInt15(255), sectorNumOpaque)); + + for (int table = 0; table < 8; table++) + { + MUInt15 possibleColors[maxSectorCumulativeOffsets]; + + MUInt15 quantized[3]; + for (int om = -sectorMaxOpaque; om <= sectorMaxOpaque; om++) + { + MSInt16 clampedOffsetMult = ParallelMath::Max(ParallelMath::Min(ParallelMath::MakeSInt16(om), sectorNumOpaqueSigned), negSectorNumOpaqueSigned); + MSInt16 offset = ParallelMath::CompactMultiply(clampedOffsetMult, modifiers[table]); + + for (int ch = 0; ch < 3; ch++) + { + // cu is in range 0..255*numOpaque (at most 0..2040) + MUInt15 cu15 = ParallelMath::Min( + sectorCumulativeMax, + ParallelMath::ToUInt15( + ParallelMath::Max( + ParallelMath::MakeSInt16(0), + ParallelMath::LosslessCast<MSInt16>::Cast(sectorCumulative[flip][sector][ch]) + offset + ) + ) + ); + + //quantized[ch] = (cu * 31 + (cu >> 3) + (numOpaque * 128)) / (numOpaque * 256) + MUInt16 cuTimes31 = (ParallelMath::LosslessCast<MUInt16>::Cast(cu15) << 5) - ParallelMath::LosslessCast<MUInt16>::Cast(cu15); + MUInt15 cuDiv8 = ParallelMath::RightShift(cu15, 3); + MUInt16 numerator = cuTimes31 + ParallelMath::LosslessCast<MUInt16>::Cast(cuDiv8 + sectorNumOpaqueAddend); + for (int block = 0; block < ParallelMath::ParallelSize; block++) + ParallelMath::PutUInt15(quantized[ch], block, ParallelMath::Extract(numerator, block) / ParallelMath::Extract(sectorNumOpaqueDenominator, block)); + } + + possibleColors[om + sectorMaxOpaque] = quantized[0] | (quantized[1] << 5) | (quantized[2] << 10); + } + + ParallelMath::UInt15 numUniqueColors; + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + uint16_t blockNumUniqueColors = 1; + for (int i = 1; i < sectorNumOpaqueMultipliers; i++) + { + uint16_t color = ParallelMath::Extract(possibleColors[i], block); + if (color != ParallelMath::Extract(possibleColors[blockNumUniqueColors - 1], block)) + ParallelMath::PutUInt15(possibleColors[blockNumUniqueColors++], block, color); + } + + ParallelMath::PutUInt15(numUniqueColors, block, blockNumUniqueColors); + } + + int maxUniqueColors = ParallelMath::Extract(numUniqueColors, 0); + for (int block = 1; block < ParallelMath::ParallelSize; block++) + maxUniqueColors = std::max<int>(maxUniqueColors, ParallelMath::Extract(numUniqueColors, block)); + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + uint16_t fillColor = ParallelMath::Extract(possibleColors[0], block); + for (int i = ParallelMath::Extract(numUniqueColors, block); i < maxUniqueColors; i++) + ParallelMath::PutUInt15(possibleColors[i], block, fillColor); + } + + for (int i = 0; i < maxUniqueColors; i++) + { + MFloat error = ParallelMath::MakeFloatZero(); + MUInt16 selectors = ParallelMath::MakeUInt16(0); + MUInt15 quantized = possibleColors[i]; + TestHalfBlockPunchthrough(error, selectors, quantized, sectorPixels[flip][sector], sectorPreWeightedPixels[flip][sector], sectorTransparent[flip][sector], modifiers[table], options); + + ParallelMath::Int16CompFlag isInBounds = ParallelMath::Less(ParallelMath::MakeUInt15(i), numUniqueColors); + + MUInt15 storageIndexes = drs.diffNumAttempts[sector]; + drs.diffNumAttempts[sector] = drs.diffNumAttempts[sector] + ParallelMath::SelectOrZero(isInBounds, ParallelMath::MakeUInt15(1)); + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int storageIndex = ParallelMath::Extract(storageIndexes, block); + + ParallelMath::PutFloat(drs.diffErrors[sector][storageIndex], block, ParallelMath::Extract(error, block)); + ParallelMath::PutUInt16(drs.diffSelectors[sector][storageIndex], block, ParallelMath::Extract(selectors, block)); + ParallelMath::PutUInt15(drs.diffColors[sector][storageIndex], block, ParallelMath::Extract(quantized, block)); + ParallelMath::PutUInt15(drs.diffTables[sector][storageIndex], block, table); + } + } + } + } + + MUInt15 bestDDummy = ParallelMath::MakeUInt15(0); + FindBestDifferentialCombination(flip, 1, canIgnoreSector, bestIsThisMode, bestTotalError, bestFlip, bestDDummy, bestColors, bestSelectors, bestTables, drs); + } + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + if (!ParallelMath::Extract(bestIsThisMode, block)) + continue; + + int blockBestColors[2][3]; + int blockBestTables[2]; + ParallelMath::ScalarUInt16 blockBestSelectors[2]; + for (int sector = 0; sector < 2; sector++) + { + int sectorColor = ParallelMath::Extract(bestColors[sector], block); + for (int ch = 0; ch < 3; ch++) + blockBestColors[sector][ch] = (sectorColor >> (ch * 5)) & 31; + + blockBestTables[sector] = ParallelMath::Extract(bestTables[sector], block); + blockBestSelectors[sector] = ParallelMath::Extract(bestSelectors[sector], block); + } + + EmitETC1Block(outputBuffer + block * 8, ParallelMath::Extract(bestFlip, block), 1, blockBestColors, blockBestTables, blockBestSelectors, true); + } +} + + +cvtt::ETC1CompressionData *cvtt::Internal::ETCComputer::AllocETC1Data(cvtt::Kernels::allocFunc_t allocFunc, void *context) +{ + void *buffer = allocFunc(context, sizeof(cvtt::Internal::ETCComputer::ETC1CompressionDataInternal)); + if (!buffer) + return NULL; + new (buffer) cvtt::Internal::ETCComputer::ETC1CompressionDataInternal(context); + return static_cast<ETC1CompressionData*>(buffer); +} + +void cvtt::Internal::ETCComputer::ReleaseETC1Data(ETC1CompressionData *compressionData, cvtt::Kernels::freeFunc_t freeFunc) +{ + cvtt::Internal::ETCComputer::ETC1CompressionDataInternal* internalData = static_cast<cvtt::Internal::ETCComputer::ETC1CompressionDataInternal*>(compressionData); + void *context = internalData->m_context; + internalData->~ETC1CompressionDataInternal(); + freeFunc(context, compressionData, sizeof(cvtt::Internal::ETCComputer::ETC1CompressionDataInternal)); +} + +cvtt::ETC2CompressionData *cvtt::Internal::ETCComputer::AllocETC2Data(cvtt::Kernels::allocFunc_t allocFunc, void *context, const cvtt::Options &options) +{ + void *buffer = allocFunc(context, sizeof(cvtt::Internal::ETCComputer::ETC2CompressionDataInternal)); + if (!buffer) + return NULL; + new (buffer) cvtt::Internal::ETCComputer::ETC2CompressionDataInternal(context, options); + return static_cast<ETC2CompressionData*>(buffer); +} + +void cvtt::Internal::ETCComputer::ReleaseETC2Data(ETC2CompressionData *compressionData, cvtt::Kernels::freeFunc_t freeFunc) +{ + cvtt::Internal::ETCComputer::ETC2CompressionDataInternal* internalData = static_cast<cvtt::Internal::ETCComputer::ETC2CompressionDataInternal*>(compressionData); + void *context = internalData->m_context; + internalData->~ETC2CompressionDataInternal(); + freeFunc(context, compressionData, sizeof(cvtt::Internal::ETCComputer::ETC2CompressionDataInternal)); +} + +cvtt::Internal::ETCComputer::ETC2CompressionDataInternal::ETC2CompressionDataInternal(void *context, const cvtt::Options &options) + : m_context(context) +{ + const float cd[3] = { options.redWeight, options.greenWeight, options.blueWeight }; + const float rotCD[3] = { cd[1], cd[2], cd[0] }; + + const float offs = -(rotCD[0] * cd[0] + rotCD[1] * cd[1] + rotCD[2] * cd[2]) / (cd[0] * cd[0] + cd[1] * cd[1] + cd[2] * cd[2]); + + const float chromaAxis0[3] = { rotCD[0] + cd[0] * offs, rotCD[1] + cd[1] * offs, rotCD[2] + cd[2] * offs }; + + const float chromaAxis1Unnormalized[3] = + { + chromaAxis0[1] * cd[2] - chromaAxis0[2] * cd[1], + chromaAxis0[2] * cd[0] - chromaAxis0[0] * cd[2], + chromaAxis0[0] * cd[1] - chromaAxis0[1] * cd[0] + }; + + const float ca0LengthSq = (chromaAxis0[0] * chromaAxis0[0] + chromaAxis0[1] * chromaAxis0[1] + chromaAxis0[2] * chromaAxis0[2]); + const float ca1UNLengthSq = (chromaAxis1Unnormalized[0] * chromaAxis1Unnormalized[0] + chromaAxis1Unnormalized[1] * chromaAxis1Unnormalized[1] + chromaAxis1Unnormalized[2] * chromaAxis1Unnormalized[2]); + const float lengthRatio = static_cast<float>(std::sqrt(ca0LengthSq / ca1UNLengthSq)); + + const float chromaAxis1[3] = { chromaAxis1Unnormalized[0] * lengthRatio, chromaAxis1Unnormalized[1] * lengthRatio, chromaAxis1Unnormalized[2] * lengthRatio }; + + for (int i = 0; i < 3; i++) + { + m_chromaSideAxis0[i] = chromaAxis0[i]; + m_chromaSideAxis1[i] = chromaAxis1[i]; + } +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_ETC.h b/thirdparty/cvtt/ConvectionKernels_ETC.h new file mode 100644 index 0000000000..5e3c4d74fd --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_ETC.h @@ -0,0 +1,126 @@ +#pragma once +#ifndef __CVTT_CONVECTIONKERNELS_ETC_H__ +#define __CVTT_CONVECTIONKERNELS_ETC_H__ + +#include "ConvectionKernels.h" +#include "ConvectionKernels_ParallelMath.h" + +namespace cvtt +{ + struct Options; + + namespace Internal + { + class ETCComputer + { + public: + static void CompressETC1Block(uint8_t *outputBuffer, const PixelBlockU8 *inputBlocks, ETC1CompressionData *compressionData, const Options &options); + static void CompressETC2Block(uint8_t *outputBuffer, const PixelBlockU8 *inputBlocks, ETC2CompressionData *compressionData, const Options &options, bool punchthroughAlpha); + static void CompressETC2AlphaBlock(uint8_t *outputBuffer, const PixelBlockU8 *inputBlocks, const Options &options); + static void CompressEACBlock(uint8_t *outputBuffer, const PixelBlockScalarS16 *inputBlocks, bool isSigned, const Options &options); + + static ETC2CompressionData *AllocETC2Data(cvtt::Kernels::allocFunc_t allocFunc, void *context, const cvtt::Options &options); + static void ReleaseETC2Data(ETC2CompressionData *compressionData, cvtt::Kernels::freeFunc_t freeFunc); + + static ETC1CompressionData *AllocETC1Data(cvtt::Kernels::allocFunc_t allocFunc, void *context); + static void ReleaseETC1Data(ETC1CompressionData *compressionData, cvtt::Kernels::freeFunc_t freeFunc); + + private: + typedef ParallelMath::Float MFloat; + typedef ParallelMath::SInt16 MSInt16; + typedef ParallelMath::UInt15 MUInt15; + typedef ParallelMath::UInt16 MUInt16; + typedef ParallelMath::SInt32 MSInt32; + typedef ParallelMath::UInt31 MUInt31; + + struct DifferentialResolveStorage + { + static const unsigned int MaxAttemptsPerSector = 57 + 81 + 81 + 81 + 81 + 81 + 81 + 81; + + MUInt15 diffNumAttempts[2]; + MFloat diffErrors[2][MaxAttemptsPerSector]; + MUInt16 diffSelectors[2][MaxAttemptsPerSector]; + MUInt15 diffColors[2][MaxAttemptsPerSector]; + MUInt15 diffTables[2][MaxAttemptsPerSector]; + + uint16_t attemptSortIndexes[2][MaxAttemptsPerSector]; + }; + + struct HModeEval + { + MFloat errors[62][16]; + MUInt16 signBits[62]; + MUInt15 uniqueQuantizedColors[62]; + MUInt15 numUniqueColors[2]; + }; + + struct ETC1CompressionDataInternal : public cvtt::ETC1CompressionData + { + explicit ETC1CompressionDataInternal(void *context) + : m_context(context) + { + } + + DifferentialResolveStorage m_drs; + void *m_context; + }; + + struct ETC2CompressionDataInternal : public cvtt::ETC2CompressionData + { + explicit ETC2CompressionDataInternal(void *context, const cvtt::Options &options); + + HModeEval m_h; + DifferentialResolveStorage m_drs; + + void *m_context; + float m_chromaSideAxis0[3]; + float m_chromaSideAxis1[3]; + }; + + static MFloat ComputeErrorUniform(const MUInt15 pixelA[3], const MUInt15 pixelB[3]); + static MFloat ComputeErrorWeighted(const MUInt15 reconstructed[3], const MFloat pixelB[3], const Options options); + static MFloat ComputeErrorFakeBT709(const MUInt15 reconstructed[3], const MFloat pixelB[3]); + + static void TestHalfBlock(MFloat &outError, MUInt16 &outSelectors, MUInt15 quantizedPackedColor, const MUInt15 pixels[8][3], const MFloat preWeightedPixels[8][3], const MSInt16 modifiers[4], bool isDifferential, const Options &options); + static void TestHalfBlockPunchthrough(MFloat &outError, MUInt16 &outSelectors, MUInt15 quantizedPackedColor, const MUInt15 pixels[8][3], const MFloat preWeightedPixels[8][3], const ParallelMath::Int16CompFlag isTransparent[8], const MUInt15 modifier, const Options &options); + static void FindBestDifferentialCombination(int flip, int d, const ParallelMath::Int16CompFlag canIgnoreSector[2], ParallelMath::Int16CompFlag& bestIsThisMode, MFloat& bestTotalError, MUInt15& bestFlip, MUInt15& bestD, MUInt15 bestColors[2], MUInt16 bestSelectors[2], MUInt15 bestTables[2], DifferentialResolveStorage &drs); + + static ParallelMath::Int16CompFlag ETCDifferentialIsLegalForChannel(const MUInt15 &a, const MUInt15 &b); + static ParallelMath::Int16CompFlag ETCDifferentialIsLegal(const MUInt15 &a, const MUInt15 &b); + static bool ETCDifferentialIsLegalForChannelScalar(const uint16_t &a, const uint16_t &b); + static bool ETCDifferentialIsLegalScalar(const uint16_t &a, const uint16_t &b); + + static void EncodeTMode(uint8_t *outputBuffer, MFloat &bestError, const ParallelMath::Int16CompFlag isIsolated[16], const MUInt15 pixels[16][3], const MFloat preWeightedPixels[16][3], const Options &options); + static void EncodeHMode(uint8_t *outputBuffer, MFloat &bestError, const ParallelMath::Int16CompFlag groupings[16], const MUInt15 pixels[16][3], HModeEval &he, const MFloat preWeightedPixels[16][3], const Options &options); + + static void EncodeVirtualTModePunchthrough(uint8_t *outputBuffer, MFloat &bestError, const ParallelMath::Int16CompFlag isIsolated[16], const MUInt15 pixels[16][3], const MFloat preWeightedPixels[16][3], const ParallelMath::Int16CompFlag isTransparent[16], const ParallelMath::Int16CompFlag& anyTransparent, const ParallelMath::Int16CompFlag& allTransparent, const Options &options); + + static MUInt15 DecodePlanarCoeff(const MUInt15 &coeff, int ch); + static void EncodePlanar(uint8_t *outputBuffer, MFloat &bestError, const MUInt15 pixels[16][3], const MFloat preWeightedPixels[16][3], const Options &options); + + static void CompressETC1BlockInternal(MFloat &bestTotalError, uint8_t *outputBuffer, const MUInt15 pixels[16][3], const MFloat preWeightedPixels[16][3], DifferentialResolveStorage& compressionData, const Options &options, bool punchthrough); + static void CompressETC1PunchthroughBlockInternal(MFloat &bestTotalError, uint8_t *outputBuffer, const MUInt15 pixels[16][3], const MFloat preWeightedPixels[16][3], const ParallelMath::Int16CompFlag isTransparent[16], DifferentialResolveStorage& compressionData, const Options &options); + static void CompressETC2AlphaBlockInternal(uint8_t *outputBuffer, const MUInt15 pixels[16], bool is11Bit, bool isSigned, const Options &options); + + static void ExtractBlocks(MUInt15 pixels[16][3], MFloat preWeightedPixels[16][3], const PixelBlockU8 *inputBlocks, const Options &options); + + static void ResolveHalfBlockFakeBT709RoundingAccurate(MUInt15 quantized[3], const MUInt15 sectorCumulative[3], bool isDifferential); + static void ResolveHalfBlockFakeBT709RoundingFast(MUInt15 quantized[3], const MUInt15 sectorCumulative[3], bool isDifferential); + static void ResolveTHFakeBT709Rounding(MUInt15 quantized[3], const MUInt15 target[3], const MUInt15 &granularity); + static void ConvertToFakeBT709(MFloat yuv[3], const MUInt15 color[3]); + static void ConvertToFakeBT709(MFloat yuv[3], const MFloat color[3]); + static void ConvertToFakeBT709(MFloat yuv[3], const MFloat &r, const MFloat &g, const MFloat &b); + static void ConvertFromFakeBT709(MFloat rgb[3], const MFloat yuv[3]); + + static void QuantizeETC2Alpha(int tableIndex, const MUInt15& value, const MUInt15& baseValue, const MUInt15& multiplier, bool is11Bit, bool isSigned, MUInt15& outIndexes, MUInt15& outQuantizedValues); + + static void EmitTModeBlock(uint8_t *outputBuffer, const ParallelMath::ScalarUInt16 lineColor[3], const ParallelMath::ScalarUInt16 isolatedColor[3], int32_t packedSelectors, ParallelMath::ScalarUInt16 table, bool opaque); + static void EmitHModeBlock(uint8_t *outputBuffer, const ParallelMath::ScalarUInt16 blockColors[2], ParallelMath::ScalarUInt16 sectorBits, ParallelMath::ScalarUInt16 signBits, ParallelMath::ScalarUInt16 table, bool opaque); + static void EmitETC1Block(uint8_t *outputBuffer, int blockBestFlip, int blockBestD, const int blockBestColors[2][3], const int blockBestTables[2], const ParallelMath::ScalarUInt16 blockBestSelectors[2], bool transparent); + + static const int g_flipTables[2][2][8]; + }; + } +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_ETC1.h b/thirdparty/cvtt/ConvectionKernels_ETC1.h new file mode 100644 index 0000000000..775e41669f --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_ETC1.h @@ -0,0 +1,29 @@ +#include <stdint.h> + +namespace cvtt +{ + namespace Tables + { + namespace ETC1 + { + const int16_t g_potentialOffsets4[] = + { + 57, -64, -58, -54, -52, -48, -46, -44, -42, -40, -38, -36, -34, -32, -30, -28, -26, -24, -22, -20, -18, -16, -14, -12, -10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 52, 54, 58, 64, + 81, -136, -124, -114, -112, -102, -100, -92, -90, -88, -80, -78, -76, -70, -68, -66, -64, -58, -56, -54, -52, -48, -46, -44, -42, -40, -36, -34, -32, -30, -26, -24, -22, -20, -18, -14, -12, -10, -8, -4, -2, 0, 2, 4, 8, 10, 12, 14, 18, 20, 22, 24, 26, 30, 32, 34, 36, 40, 42, 44, 46, 48, 52, 54, 56, 58, 64, 66, 68, 70, 76, 78, 80, 88, 90, 92, 100, 102, 112, 114, 124, 136, + 81, -232, -212, -194, -192, -174, -172, -156, -154, -152, -136, -134, -132, -118, -116, -114, -112, -98, -96, -94, -92, -80, -78, -76, -74, -72, -60, -58, -56, -54, -42, -40, -38, -36, -34, -22, -20, -18, -16, -4, -2, 0, 2, 4, 16, 18, 20, 22, 34, 36, 38, 40, 42, 54, 56, 58, 60, 72, 74, 76, 78, 80, 92, 94, 96, 98, 112, 114, 116, 118, 132, 134, 136, 152, 154, 156, 172, 174, 192, 194, 212, 232, + 81, -336, -307, -281, -278, -252, -249, -226, -223, -220, -197, -194, -191, -171, -168, -165, -162, -142, -139, -136, -133, -116, -113, -110, -107, -104, -87, -84, -81, -78, -61, -58, -55, -52, -49, -32, -29, -26, -23, -6, -3, 0, 3, 6, 23, 26, 29, 32, 49, 52, 55, 58, 61, 78, 81, 84, 87, 104, 107, 110, 113, 116, 133, 136, 139, 142, 162, 165, 168, 171, 191, 194, 197, 220, 223, 226, 249, 252, 278, 281, 307, 336, + 81, -480, -438, -402, -396, -360, -354, -324, -318, -312, -282, -276, -270, -246, -240, -234, -228, -204, -198, -192, -186, -168, -162, -156, -150, -144, -126, -120, -114, -108, -90, -84, -78, -72, -66, -48, -42, -36, -30, -12, -6, 0, 6, 12, 30, 36, 42, 48, 66, 72, 78, 84, 90, 108, 114, 120, 126, 144, 150, 156, 162, 168, 186, 192, 198, 204, 228, 234, 240, 246, 270, 276, 282, 312, 318, 324, 354, 360, 396, 402, 438, 480, + 81, -640, -584, -536, -528, -480, -472, -432, -424, -416, -376, -368, -360, -328, -320, -312, -304, -272, -264, -256, -248, -224, -216, -208, -200, -192, -168, -160, -152, -144, -120, -112, -104, -96, -88, -64, -56, -48, -40, -16, -8, 0, 8, 16, 40, 48, 56, 64, 88, 96, 104, 112, 120, 144, 152, 160, 168, 192, 200, 208, 216, 224, 248, 256, 264, 272, 304, 312, 320, 328, 360, 368, 376, 416, 424, 432, 472, 480, 528, 536, 584, 640, + 81, -848, -775, -709, -702, -636, -629, -570, -563, -556, -497, -490, -483, -431, -424, -417, -410, -358, -351, -344, -337, -292, -285, -278, -271, -264, -219, -212, -205, -198, -153, -146, -139, -132, -125, -80, -73, -66, -59, -14, -7, 0, 7, 14, 59, 66, 73, 80, 125, 132, 139, 146, 153, 198, 205, 212, 219, 264, 271, 278, 285, 292, 337, 344, 351, 358, 410, 417, 424, 431, 483, 490, 497, 556, 563, 570, 629, 636, 702, 709, 775, 848, + 81, -1464, -1328, -1234, -1192, -1098, -1056, -1004, -962, -920, -868, -826, -784, -774, -732, -690, -648, -638, -596, -554, -544, -512, -502, -460, -418, -408, -376, -366, -324, -314, -282, -272, -230, -188, -178, -146, -136, -94, -84, -52, -42, 0, 42, 52, 84, 94, 136, 146, 178, 188, 230, 272, 282, 314, 324, 366, 376, 408, 418, 460, 502, 512, 544, 554, 596, 638, 648, 690, 732, 774, 784, 826, 868, 920, 962, 1004, 1056, 1098, 1192, 1234, 1328, 1464 + }; + + const unsigned int g_maxPotentialOffsets = 81; + + const int16_t g_thModifierTable[8] = + { + 3, 6, 11, 16, 23, 32, 41, 64 + }; + } + } +} diff --git a/thirdparty/cvtt/ConvectionKernels_ETC2.h b/thirdparty/cvtt/ConvectionKernels_ETC2.h new file mode 100644 index 0000000000..4befc8e8c2 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_ETC2.h @@ -0,0 +1,35 @@ +#include <stdint.h> + +namespace cvtt +{ + namespace Tables + { + namespace ETC2 + { + const int16_t g_thModifierTable[8] = + { + 3, 6, 11, 16, 23, 32, 41, 64 + }; + + const int16_t g_alphaModifierTablePositive[16][4] = + { + { 2, 5, 8, 14, }, + { 2, 6, 9, 12, }, + { 1, 4, 7, 12, }, + { 1, 3, 5, 12, }, + { 2, 5, 7, 11, }, + { 2, 6, 8, 10, }, + { 3, 6, 7, 10, }, + { 2, 4, 7, 10, }, + { 1, 5, 7, 9, }, + { 1, 4, 7, 9, }, + { 1, 3, 7, 9, }, + { 1, 4, 6, 9, }, + { 2, 3, 6, 9, }, + { 0, 1, 2, 9, }, + { 3, 5, 7, 8, }, + { 2, 4, 6, 8, }, + }; + } + } +} diff --git a/thirdparty/cvtt/ConvectionKernels_ETC2_Rounding.h b/thirdparty/cvtt/ConvectionKernels_ETC2_Rounding.h new file mode 100644 index 0000000000..a4f5a3ddfa --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_ETC2_Rounding.h @@ -0,0 +1,27 @@ +#pragma once +#include <stdint.h> + +// This file is generated by the MakeTables app. Do not edit this file manually. + +namespace cvtt { namespace Tables { namespace ETC2 { + const int g_alphaRoundingTableWidth = 13; + const uint8_t g_alphaRoundingTables[16][13] = + { + { 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 2, 2, 3 }, + { 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3 }, + { 0, 0, 0, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3 }, + { 0, 0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3 }, + { 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3 }, + { 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 3, 3, 3 }, + { 0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 3, 3 }, + { 0, 0, 0, 0, 1, 1, 2, 2, 2, 3, 3, 3, 3 }, + { 0, 0, 0, 0, 1, 1, 1, 2, 2, 3, 3, 3, 3 }, + { 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3 }, + { 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3 }, + { 0, 0, 0, 1, 1, 1, 2, 2, 3, 3, 3, 3, 3 }, + { 0, 0, 0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3 }, + { 0, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3 }, + { 0, 0, 0, 0, 0, 1, 1, 2, 3, 3, 3, 3, 3 }, + { 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3 }, + }; +}}} diff --git a/thirdparty/cvtt/ConvectionKernels_EndpointRefiner.h b/thirdparty/cvtt/ConvectionKernels_EndpointRefiner.h new file mode 100644 index 0000000000..c1276553b2 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_EndpointRefiner.h @@ -0,0 +1,181 @@ +#pragma once +#ifndef __CVTT_ENDPOINTREFINER_H__ +#define __CVTT_ENDPOINTREFINER_H__ + +#include "ConvectionKernels_ParallelMath.h" + +namespace cvtt +{ + namespace Internal + { + // Solve for a, b where v = a*t + b + // This allows endpoints to be mapped to where T=0 and T=1 + // Least squares from totals: + // a = (tv - t*v/w)/(tt - t*t/w) + // b = (v - a*t)/w + template<int TVectorSize> + class EndpointRefiner + { + public: + typedef ParallelMath::Float MFloat; + typedef ParallelMath::UInt16 MUInt16; + typedef ParallelMath::UInt15 MUInt15; + typedef ParallelMath::AInt16 MAInt16; + typedef ParallelMath::SInt16 MSInt16; + typedef ParallelMath::SInt32 MSInt32; + + MFloat m_tv[TVectorSize]; + MFloat m_v[TVectorSize]; + MFloat m_tt; + MFloat m_t; + MFloat m_w; + int m_wu; + + float m_rcpMaxIndex; + float m_channelWeights[TVectorSize]; + float m_rcpChannelWeights[TVectorSize]; + + void Init(int indexRange, const float channelWeights[TVectorSize]) + { + for (int ch = 0; ch < TVectorSize; ch++) + { + m_tv[ch] = ParallelMath::MakeFloatZero(); + m_v[ch] = ParallelMath::MakeFloatZero(); + } + m_tt = ParallelMath::MakeFloatZero(); + m_t = ParallelMath::MakeFloatZero(); + m_w = ParallelMath::MakeFloatZero(); + + m_rcpMaxIndex = 1.0f / static_cast<float>(indexRange - 1); + + for (int ch = 0; ch < TVectorSize; ch++) + { + m_channelWeights[ch] = channelWeights[ch]; + m_rcpChannelWeights[ch] = 1.0f; + if (m_channelWeights[ch] != 0.0f) + m_rcpChannelWeights[ch] = 1.0f / channelWeights[ch]; + } + + m_wu = 0; + } + + void ContributePW(const MFloat *pwFloatPixel, const MUInt15 &index, const MFloat &weight) + { + MFloat t = ParallelMath::ToFloat(index) * m_rcpMaxIndex; + + for (int ch = 0; ch < TVectorSize; ch++) + { + MFloat v = pwFloatPixel[ch] * weight; + + m_tv[ch] = m_tv[ch] + t * v; + m_v[ch] = m_v[ch] + v; + } + m_tt = m_tt + weight * t * t; + m_t = m_t + weight * t; + m_w = m_w + weight; + } + + void ContributeUnweightedPW(const MFloat *pwFloatPixel, const MUInt15 &index, int numRealChannels) + { + MFloat t = ParallelMath::ToFloat(index) * m_rcpMaxIndex; + + for (int ch = 0; ch < numRealChannels; ch++) + { + MFloat v = pwFloatPixel[ch]; + + m_tv[ch] = m_tv[ch] + t * v; + m_v[ch] = m_v[ch] + v; + } + m_tt = m_tt + t * t; + m_t = m_t + t; + m_wu++; + } + + void ContributeUnweightedPW(const MFloat *floatPixel, const MUInt15 &index) + { + ContributeUnweightedPW(floatPixel, index, TVectorSize); + } + + void GetRefinedEndpoints(MFloat endPoint[2][TVectorSize]) + { + // a = (tv - t*v/w)/(tt - t*t/w) + // b = (v - a*t)/w + MFloat w = m_w + ParallelMath::MakeFloat(static_cast<float>(m_wu)); + + ParallelMath::MakeSafeDenominator(w); + MFloat wRcp = ParallelMath::Reciprocal(w); + + MFloat adenom = (m_tt * w - m_t * m_t) * wRcp; + + ParallelMath::FloatCompFlag adenomZero = ParallelMath::Equal(adenom, ParallelMath::MakeFloatZero()); + ParallelMath::ConditionalSet(adenom, adenomZero, ParallelMath::MakeFloat(1.0f)); + + for (int ch = 0; ch < TVectorSize; ch++) + { + /* + if (adenom == 0.0) + p1 = p2 = er.v / er.w; + else + { + float4 a = (er.tv - er.t*er.v / er.w) / adenom; + float4 b = (er.v - a * er.t) / er.w; + p1 = b; + p2 = a + b; + } + */ + + MFloat a = (m_tv[ch] - m_t * m_v[ch] * wRcp) / adenom; + MFloat b = (m_v[ch] - a * m_t) * wRcp; + + MFloat p1 = b; + MFloat p2 = a + b; + + ParallelMath::ConditionalSet(p1, adenomZero, (m_v[ch] * wRcp)); + ParallelMath::ConditionalSet(p2, adenomZero, p1); + + // Unweight + float inverseWeight = m_rcpChannelWeights[ch]; + + endPoint[0][ch] = p1 * inverseWeight; + endPoint[1][ch] = p2 * inverseWeight; + } + } + + void GetRefinedEndpointsLDR(MUInt15 endPoint[2][TVectorSize], int numRealChannels, const ParallelMath::RoundTowardNearestForScope *roundingMode) + { + MFloat floatEndPoint[2][TVectorSize]; + GetRefinedEndpoints(floatEndPoint); + + for (int epi = 0; epi < 2; epi++) + for (int ch = 0; ch < TVectorSize; ch++) + endPoint[epi][ch] = ParallelMath::RoundAndConvertToU15(ParallelMath::Clamp(floatEndPoint[epi][ch], 0.0f, 255.0f), roundingMode); + } + + void GetRefinedEndpointsLDR(MUInt15 endPoint[2][TVectorSize], const ParallelMath::RoundTowardNearestForScope *roundingMode) + { + GetRefinedEndpointsLDR(endPoint, TVectorSize, roundingMode); + } + + void GetRefinedEndpointsHDR(MSInt16 endPoint[2][TVectorSize], bool isSigned, const ParallelMath::RoundTowardNearestForScope *roundingMode) + { + MFloat floatEndPoint[2][TVectorSize]; + GetRefinedEndpoints(floatEndPoint); + + for (int epi = 0; epi < 2; epi++) + { + for (int ch = 0; ch < TVectorSize; ch++) + { + MFloat f = floatEndPoint[epi][ch]; + if (isSigned) + endPoint[epi][ch] = ParallelMath::LosslessCast<MSInt16>::Cast(ParallelMath::RoundAndConvertToS16(ParallelMath::Clamp(f, -31743.0f, 31743.0f), roundingMode)); + else + endPoint[epi][ch] = ParallelMath::LosslessCast<MSInt16>::Cast(ParallelMath::RoundAndConvertToU15(ParallelMath::Clamp(f, 0.0f, 31743.0f), roundingMode)); + } + } + } + }; + } +} + +#endif + diff --git a/thirdparty/cvtt/ConvectionKernels_EndpointSelector.h b/thirdparty/cvtt/ConvectionKernels_EndpointSelector.h new file mode 100644 index 0000000000..e09dfd248c --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_EndpointSelector.h @@ -0,0 +1,153 @@ +#pragma once +#ifndef __CVTT_ENDPOINTSELECTOR_H__ +#define __CVTT_ENDPOINTSELECTOR_H__ + +#include "ConvectionKernels_ParallelMath.h" +#include "ConvectionKernels_UnfinishedEndpoints.h" +#include "ConvectionKernels_PackedCovarianceMatrix.h" + +namespace cvtt +{ + namespace Internal + { + static const int NumEndpointSelectorPasses = 3; + + template<int TVectorSize, int TIterationCount> + class EndpointSelector + { + public: + typedef ParallelMath::Float MFloat; + + EndpointSelector() + { + for (int ch = 0; ch < TVectorSize; ch++) + { + m_centroid[ch] = ParallelMath::MakeFloatZero(); + m_direction[ch] = ParallelMath::MakeFloatZero(); + } + m_weightTotal = ParallelMath::MakeFloatZero(); + m_minDist = ParallelMath::MakeFloat(FLT_MAX); + m_maxDist = ParallelMath::MakeFloat(-FLT_MAX); + } + + void ContributePass(const MFloat *value, int pass, const MFloat &weight) + { + if (pass == 0) + ContributeCentroid(value, weight); + else if (pass == 1) + ContributeDirection(value, weight); + else if (pass == 2) + ContributeMinMax(value); + } + + void FinishPass(int pass) + { + if (pass == 0) + FinishCentroid(); + else if (pass == 1) + FinishDirection(); + } + + UnfinishedEndpoints<TVectorSize> GetEndpoints(const float channelWeights[TVectorSize]) const + { + MFloat unweightedBase[TVectorSize]; + MFloat unweightedOffset[TVectorSize]; + + for (int ch = 0; ch < TVectorSize; ch++) + { + MFloat min = m_centroid[ch] + m_direction[ch] * m_minDist; + MFloat max = m_centroid[ch] + m_direction[ch] * m_maxDist; + + float safeWeight = channelWeights[ch]; + if (safeWeight == 0.f) + safeWeight = 1.0f; + + unweightedBase[ch] = min / channelWeights[ch]; + unweightedOffset[ch] = (max - min) / channelWeights[ch]; + } + + return UnfinishedEndpoints<TVectorSize>(unweightedBase, unweightedOffset); + } + + private: + void ContributeCentroid(const MFloat *value, const MFloat &weight) + { + for (int ch = 0; ch < TVectorSize; ch++) + m_centroid[ch] = m_centroid[ch] + value[ch] * weight; + m_weightTotal = m_weightTotal + weight; + } + + void FinishCentroid() + { + MFloat denom = m_weightTotal; + ParallelMath::MakeSafeDenominator(denom); + + for (int ch = 0; ch < TVectorSize; ch++) + m_centroid[ch] = m_centroid[ch] / denom; + } + + void ContributeDirection(const MFloat *value, const MFloat &weight) + { + MFloat diff[TVectorSize]; + for (int ch = 0; ch < TVectorSize; ch++) + diff[ch] = value[ch] - m_centroid[ch]; + + m_covarianceMatrix.Add(diff, weight); + } + + void FinishDirection() + { + MFloat approx[TVectorSize]; + for (int ch = 0; ch < TVectorSize; ch++) + approx[ch] = ParallelMath::MakeFloat(1.0f); + + for (int i = 0; i < TIterationCount; i++) + { + MFloat product[TVectorSize]; + m_covarianceMatrix.Product(product, approx); + + MFloat largestComponent = product[0]; + for (int ch = 1; ch < TVectorSize; ch++) + largestComponent = ParallelMath::Max(largestComponent, product[ch]); + + // product = largestComponent*newApprox + ParallelMath::MakeSafeDenominator(largestComponent); + for (int ch = 0; ch < TVectorSize; ch++) + approx[ch] = product[ch] / largestComponent; + } + + // Normalize + MFloat approxLen = ParallelMath::MakeFloatZero(); + for (int ch = 0; ch < TVectorSize; ch++) + approxLen = approxLen + approx[ch] * approx[ch]; + + approxLen = ParallelMath::Sqrt(approxLen); + + ParallelMath::MakeSafeDenominator(approxLen); + + for (int ch = 0; ch < TVectorSize; ch++) + m_direction[ch] = approx[ch] / approxLen; + } + + void ContributeMinMax(const MFloat *value) + { + MFloat dist = ParallelMath::MakeFloatZero(); + for (int ch = 0; ch < TVectorSize; ch++) + dist = dist + m_direction[ch] * (value[ch] - m_centroid[ch]); + + m_minDist = ParallelMath::Min(m_minDist, dist); + m_maxDist = ParallelMath::Max(m_maxDist, dist); + } + + ParallelMath::Float m_centroid[TVectorSize]; + ParallelMath::Float m_direction[TVectorSize]; + PackedCovarianceMatrix<TVectorSize> m_covarianceMatrix; + ParallelMath::Float m_weightTotal; + + ParallelMath::Float m_minDist; + ParallelMath::Float m_maxDist; + }; + } +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_FakeBT709_Rounding.h b/thirdparty/cvtt/ConvectionKernels_FakeBT709_Rounding.h new file mode 100644 index 0000000000..1eb924befe --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_FakeBT709_Rounding.h @@ -0,0 +1,282 @@ +#pragma once +#include <stdint.h> + +// This file is generated by the MakeTables app. Do not edit this file manually. + +namespace cvtt { namespace Tables { namespace FakeBT709 { + const uint8_t g_rounding16[] = + { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 2, 2, 2, 2, 2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 6, + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 6, + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 6, + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 6, + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 6, + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 6, + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 5, 5, 5, 5, 4, 4, 4, 4, 4, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 6, + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 5, 5, 5, 5, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 6, + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 2, 2, 2, 2, 2, 2, 2, 2, 5, 5, 5, 5, 5, 5, 5, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 6, + + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 2, 2, 2, 2, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, 7, + + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, + 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 7, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, 7, + + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, 7, + + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, 7, + + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, 7, + + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, 7, + + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 1, 1, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, 7, + + }; +}}} diff --git a/thirdparty/cvtt/ConvectionKernels_IndexSelector.cpp b/thirdparty/cvtt/ConvectionKernels_IndexSelector.cpp new file mode 100644 index 0000000000..b3d1b5497e --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_IndexSelector.cpp @@ -0,0 +1,66 @@ +/* +Convection Texture Tools +Copyright (c) 2018-2019 Eric Lasota + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject +to the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +------------------------------------------------------------------------------------- + +Portions based on DirectX Texture Library (DirectXTex) + +Copyright (c) Microsoft Corporation. All rights reserved. +Licensed under the MIT License. + +http://go.microsoft.com/fwlink/?LinkId=248926 +*/ +#include "ConvectionKernels_Config.h" + +#if !defined(CVTT_SINGLE_FILE) || defined(CVTT_SINGLE_FILE_IMPL) + +#include "ConvectionKernels_IndexSelector.h" + +namespace cvtt +{ + namespace Internal + { + const ParallelMath::UInt16 g_weightReciprocals[17] = + { + ParallelMath::MakeUInt16(0), // -1 + ParallelMath::MakeUInt16(0), // 0 + ParallelMath::MakeUInt16(32768), // 1 + ParallelMath::MakeUInt16(16384), // 2 + ParallelMath::MakeUInt16(10923), // 3 + ParallelMath::MakeUInt16(8192), // 4 + ParallelMath::MakeUInt16(6554), // 5 + ParallelMath::MakeUInt16(5461), // 6 + ParallelMath::MakeUInt16(4681), // 7 + ParallelMath::MakeUInt16(4096), // 8 + ParallelMath::MakeUInt16(3641), // 9 + ParallelMath::MakeUInt16(3277), // 10 + ParallelMath::MakeUInt16(2979), // 11 + ParallelMath::MakeUInt16(2731), // 12 + ParallelMath::MakeUInt16(2521), // 13 + ParallelMath::MakeUInt16(2341), // 14 + ParallelMath::MakeUInt16(2185), // 15 + }; + } +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_IndexSelector.h b/thirdparty/cvtt/ConvectionKernels_IndexSelector.h new file mode 100644 index 0000000000..0f9d209183 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_IndexSelector.h @@ -0,0 +1,147 @@ +#pragma once +#ifndef __CVTT_INDEXSELECTOR_H__ +#define __CVTT_INDEXSELECTOR_H__ + +#include "ConvectionKernels_ParallelMath.h" + +namespace cvtt +{ + namespace Internal + { + extern const ParallelMath::UInt16 g_weightReciprocals[17]; + + template<int TVectorSize> + class IndexSelector + { + public: + typedef ParallelMath::Float MFloat; + typedef ParallelMath::UInt16 MUInt16; + typedef ParallelMath::UInt15 MUInt15; + typedef ParallelMath::SInt16 MSInt16; + typedef ParallelMath::AInt16 MAInt16; + typedef ParallelMath::SInt32 MSInt32; + typedef ParallelMath::UInt31 MUInt31; + + + template<class TInterpolationEPType, class TColorEPType> + void Init(const float *channelWeights, const TInterpolationEPType interpolationEndPoints[2][TVectorSize], const TColorEPType colorSpaceEndpoints[2][TVectorSize], int range) + { + // In BC6H, the interpolation endpoints are higher-precision than the endpoints in color space. + // We need to select indexes using the color-space endpoints. + + m_isUniform = true; + for (int ch = 1; ch < TVectorSize; ch++) + { + if (channelWeights[ch] != channelWeights[0]) + m_isUniform = false; + } + + // To work with channel weights, we need something where: + // pxDiff = px - ep[0] + // epDiff = ep[1] - ep[0] + // + // weightedEPDiff = epDiff * channelWeights + // normalizedWeightedAxis = weightedEPDiff / len(weightedEPDiff) + // normalizedIndex = dot(pxDiff * channelWeights, normalizedWeightedAxis) / len(weightedEPDiff) + // index = normalizedIndex * maxValue + // + // Equivalent to: + // axis = channelWeights * maxValue * epDiff * channelWeights / lenSquared(epDiff * channelWeights) + // index = dot(axis, pxDiff) + + for (int ep = 0; ep < 2; ep++) + for (int ch = 0; ch < TVectorSize; ch++) + m_endPoint[ep][ch] = ParallelMath::LosslessCast<MAInt16>::Cast(interpolationEndPoints[ep][ch]); + + m_range = range; + m_maxValue = static_cast<float>(range - 1); + + MFloat epDiffWeighted[TVectorSize]; + for (int ch = 0; ch < TVectorSize; ch++) + { + m_origin[ch] = ParallelMath::ToFloat(colorSpaceEndpoints[0][ch]); + MFloat opposingOriginCh = ParallelMath::ToFloat(colorSpaceEndpoints[1][ch]); + epDiffWeighted[ch] = (opposingOriginCh - m_origin[ch]) * channelWeights[ch]; + } + + MFloat lenSquared = epDiffWeighted[0] * epDiffWeighted[0]; + for (int ch = 1; ch < TVectorSize; ch++) + lenSquared = lenSquared + epDiffWeighted[ch] * epDiffWeighted[ch]; + + ParallelMath::MakeSafeDenominator(lenSquared); + + MFloat maxValueDividedByLengthSquared = ParallelMath::MakeFloat(m_maxValue) / lenSquared; + + for (int ch = 0; ch < TVectorSize; ch++) + m_axis[ch] = epDiffWeighted[ch] * channelWeights[ch] * maxValueDividedByLengthSquared; + } + + template<bool TSigned> + void Init(const float channelWeights[TVectorSize], const MUInt15 endPoints[2][TVectorSize], int range) + { + MAInt16 converted[2][TVectorSize]; + for (int epi = 0; epi < 2; epi++) + for (int ch = 0; ch < TVectorSize; ch++) + converted[epi][ch] = ParallelMath::LosslessCast<MAInt16>::Cast(endPoints[epi][ch]); + + Init<MUInt15, MUInt15>(channelWeights, endPoints, endPoints, range); + } + + void ReconstructLDR_BC7(const MUInt15 &index, MUInt15* pixel, int numRealChannels) + { + MUInt15 weight = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ParallelMath::CompactMultiply(g_weightReciprocals[m_range], index) + 256, 9)); + + for (int ch = 0; ch < numRealChannels; ch++) + { + MUInt15 ep0f = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::CompactMultiply((ParallelMath::MakeUInt15(64) - weight), ParallelMath::LosslessCast<MUInt15>::Cast(m_endPoint[0][ch]))); + MUInt15 ep1f = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::CompactMultiply(weight, ParallelMath::LosslessCast<MUInt15>::Cast(m_endPoint[1][ch]))); + pixel[ch] = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ep0f + ep1f + ParallelMath::MakeUInt15(32), 6)); + } + } + + void ReconstructLDRPrecise(const MUInt15 &index, MUInt15* pixel, int numRealChannels) + { + MUInt15 weight = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ParallelMath::CompactMultiply(g_weightReciprocals[m_range], index) + 64, 7)); + + for (int ch = 0; ch < numRealChannels; ch++) + { + MUInt15 ep0f = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::CompactMultiply((ParallelMath::MakeUInt15(256) - weight), ParallelMath::LosslessCast<MUInt15>::Cast(m_endPoint[0][ch]))); + MUInt15 ep1f = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::CompactMultiply(weight, ParallelMath::LosslessCast<MUInt15>::Cast(m_endPoint[1][ch]))); + pixel[ch] = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ep0f + ep1f + ParallelMath::MakeUInt15(128), 8)); + } + } + + void ReconstructLDR_BC7(const MUInt15 &index, MUInt15* pixel) + { + ReconstructLDR_BC7(index, pixel, TVectorSize); + } + + void ReconstructLDRPrecise(const MUInt15 &index, MUInt15* pixel) + { + ReconstructLDRPrecise(index, pixel, TVectorSize); + } + + MUInt15 SelectIndexLDR(const MFloat* pixel, const ParallelMath::RoundTowardNearestForScope* rtn) const + { + MFloat dist = (pixel[0] - m_origin[0]) * m_axis[0]; + for (int ch = 1; ch < TVectorSize; ch++) + dist = dist + (pixel[ch] - m_origin[ch]) * m_axis[ch]; + + return ParallelMath::RoundAndConvertToU15(ParallelMath::Clamp(dist, 0.0f, m_maxValue), rtn); + } + + protected: + MAInt16 m_endPoint[2][TVectorSize]; + + private: + MFloat m_origin[TVectorSize]; + MFloat m_axis[TVectorSize]; + int m_range; + float m_maxValue; + bool m_isUniform; + }; + } +} + +#endif + diff --git a/thirdparty/cvtt/ConvectionKernels_IndexSelectorHDR.h b/thirdparty/cvtt/ConvectionKernels_IndexSelectorHDR.h new file mode 100644 index 0000000000..84795cd689 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_IndexSelectorHDR.h @@ -0,0 +1,155 @@ +#pragma once +#ifndef __CVTT_INDEXSELECTORHDR_H__ +#define __CVTT_INDEXSELECTORHDR_H__ + +#include "ConvectionKernels_ParallelMath.h" +#include "ConvectionKernels_IndexSelector.h" + +namespace cvtt +{ + namespace Internal + { + ParallelMath::SInt16 UnscaleHDRValueSigned(const ParallelMath::SInt16 &v); + ParallelMath::UInt15 UnscaleHDRValueUnsigned(const ParallelMath::UInt16 &v); + + template<int TVectorSize> + class IndexSelectorHDR : public IndexSelector<TVectorSize> + { + public: + typedef ParallelMath::UInt15 MUInt15; + typedef ParallelMath::UInt16 MUInt16; + typedef ParallelMath::UInt31 MUInt31; + typedef ParallelMath::SInt16 MSInt16; + typedef ParallelMath::SInt32 MSInt32; + typedef ParallelMath::Float MFloat; + + private: + + MUInt15 InvertSingle(const MUInt15& anIndex) const + { + MUInt15 inverted = m_maxValueMinusOne - anIndex; + return ParallelMath::Select(m_isInverted, inverted, anIndex); + } + + void ReconstructHDRSignedUninverted(const MUInt15 &index, MSInt16* pixel) const + { + MUInt15 weight = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ParallelMath::CompactMultiply(g_weightReciprocals[m_range], index) + 256, 9)); + + for (int ch = 0; ch < TVectorSize; ch++) + { + MSInt16 ep0 = ParallelMath::LosslessCast<MSInt16>::Cast(this->m_endPoint[0][ch]); + MSInt16 ep1 = ParallelMath::LosslessCast<MSInt16>::Cast(this->m_endPoint[1][ch]); + + MSInt32 pixel32 = ParallelMath::XMultiply((ParallelMath::MakeUInt15(64) - weight), ep0) + ParallelMath::XMultiply(weight, ep1); + + pixel32 = ParallelMath::RightShift(pixel32 + ParallelMath::MakeSInt32(32), 6); + + pixel[ch] = UnscaleHDRValueSigned(ParallelMath::ToSInt16(pixel32)); + } + } + + void ReconstructHDRUnsignedUninverted(const MUInt15 &index, MSInt16* pixel) const + { + MUInt15 weight = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ParallelMath::CompactMultiply(g_weightReciprocals[m_range], index) + 256, 9)); + + for (int ch = 0; ch < TVectorSize; ch++) + { + MUInt16 ep0 = ParallelMath::LosslessCast<MUInt16>::Cast(this->m_endPoint[0][ch]); + MUInt16 ep1 = ParallelMath::LosslessCast<MUInt16>::Cast(this->m_endPoint[1][ch]); + + MUInt31 pixel31 = ParallelMath::XMultiply((ParallelMath::MakeUInt15(64) - weight), ep0) + ParallelMath::XMultiply(weight, ep1); + + pixel31 = ParallelMath::RightShift(pixel31 + ParallelMath::MakeUInt31(32), 6); + + pixel[ch] = ParallelMath::LosslessCast<MSInt16>::Cast(UnscaleHDRValueUnsigned(ParallelMath::ToUInt16(pixel31))); + } + } + + MFloat ErrorForInterpolatorComponent(int index, int ch, const MFloat *pixel) const + { + MFloat diff = pixel[ch] - m_reconstructedInterpolators[index][ch]; + return diff * diff; + } + + MFloat ErrorForInterpolator(int index, const MFloat *pixel) const + { + MFloat error = ErrorForInterpolatorComponent(index, 0, pixel); + for (int ch = 1; ch < TVectorSize; ch++) + error = error + ErrorForInterpolatorComponent(index, ch, pixel); + return error; + } + + public: + + void InitHDR(int range, bool isSigned, bool fastIndexing, const float *channelWeights) + { + assert(range <= 16); + + m_range = range; + + m_isInverted = ParallelMath::MakeBoolInt16(false); + m_maxValueMinusOne = ParallelMath::MakeUInt15(static_cast<uint16_t>(range - 1)); + + if (!fastIndexing) + { + for (int i = 0; i < range; i++) + { + MSInt16 recon2CL[TVectorSize]; + + if (isSigned) + ReconstructHDRSignedUninverted(ParallelMath::MakeUInt15(static_cast<uint16_t>(i)), recon2CL); + else + ReconstructHDRUnsignedUninverted(ParallelMath::MakeUInt15(static_cast<uint16_t>(i)), recon2CL); + + for (int ch = 0; ch < TVectorSize; ch++) + m_reconstructedInterpolators[i][ch] = ParallelMath::TwosCLHalfToFloat(recon2CL[ch]) * channelWeights[ch]; + } + } + } + + void ReconstructHDRSigned(const MUInt15 &index, MSInt16* pixel) const + { + ReconstructHDRSignedUninverted(InvertSingle(index), pixel); + } + + void ReconstructHDRUnsigned(const MUInt15 &index, MSInt16* pixel) const + { + ReconstructHDRUnsignedUninverted(InvertSingle(index), pixel); + } + + void ConditionalInvert(const ParallelMath::Int16CompFlag &invert) + { + m_isInverted = invert; + } + + MUInt15 SelectIndexHDRSlow(const MFloat* pixel, const ParallelMath::RoundTowardNearestForScope*) const + { + MUInt15 index = ParallelMath::MakeUInt15(0); + + MFloat bestError = ErrorForInterpolator(0, pixel); + for (int i = 1; i < m_range; i++) + { + MFloat error = ErrorForInterpolator(i, pixel); + ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(error, bestError); + ParallelMath::ConditionalSet(index, ParallelMath::FloatFlagToInt16(errorBetter), ParallelMath::MakeUInt15(static_cast<uint16_t>(i))); + bestError = ParallelMath::Min(bestError, error); + } + + return InvertSingle(index); + } + + MUInt15 SelectIndexHDRFast(const MFloat* pixel, const ParallelMath::RoundTowardNearestForScope* rtn) const + { + return InvertSingle(this->SelectIndexLDR(pixel, rtn)); + } + + private: + MFloat m_reconstructedInterpolators[16][TVectorSize]; + ParallelMath::Int16CompFlag m_isInverted; + MUInt15 m_maxValueMinusOne; + int m_range; + }; + } +} +#endif + diff --git a/thirdparty/cvtt/ConvectionKernels_PackedCovarianceMatrix.h b/thirdparty/cvtt/ConvectionKernels_PackedCovarianceMatrix.h new file mode 100644 index 0000000000..7ac3d4fdda --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_PackedCovarianceMatrix.h @@ -0,0 +1,68 @@ +#pragma once +#ifndef __CVTT_COVARIANCEMATRIX_H__ +#define __CVTT_COVARIANCEMATRIX_H__ + +namespace cvtt +{ + namespace Internal + { + + template<int TMatrixSize> + class PackedCovarianceMatrix + { + public: + // 0: xx, + // 1: xy, yy + // 3: xz, yz, zz + // 6: xw, yw, zw, ww + // ... etc. + static const int PyramidSize = (TMatrixSize * (TMatrixSize + 1)) / 2; + + typedef ParallelMath::Float MFloat; + + PackedCovarianceMatrix() + { + for (int i = 0; i < PyramidSize; i++) + m_values[i] = ParallelMath::MakeFloatZero(); + } + + void Add(const ParallelMath::Float *vec, const ParallelMath::Float &weight) + { + int index = 0; + for (int row = 0; row < TMatrixSize; row++) + { + for (int col = 0; col <= row; col++) + { + m_values[index] = m_values[index] + vec[row] * vec[col] * weight; + index++; + } + } + } + + void Product(MFloat *outVec, const MFloat *inVec) + { + for (int row = 0; row < TMatrixSize; row++) + { + MFloat sum = ParallelMath::MakeFloatZero(); + + int index = (row * (row + 1)) >> 1; + for (int col = 0; col < TMatrixSize; col++) + { + sum = sum + inVec[col] * m_values[index]; + if (col >= row) + index += col + 1; + else + index++; + } + + outVec[row] = sum; + } + } + + private: + ParallelMath::Float m_values[PyramidSize]; + }; + } +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_ParallelMath.h b/thirdparty/cvtt/ConvectionKernels_ParallelMath.h new file mode 100644 index 0000000000..9e25280f45 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_ParallelMath.h @@ -0,0 +1,1816 @@ +/* +Convection Texture Tools +Copyright (c) 2018-2019 Eric Lasota + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject +to the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ +#pragma once +#ifndef __CVTT_PARALLELMATH_H__ +#define __CVTT_PARALLELMATH_H__ + +#include "ConvectionKernels.h" +#include "ConvectionKernels_Config.h" + +#ifdef CVTT_USE_SSE2 +#include <emmintrin.h> +#endif + +#include <float.h> +#include <assert.h> +#include <string.h> +#include <algorithm> +#include <math.h> + +#define UNREFERENCED_PARAMETER(n) ((void)n) + +// Parallel math implementation +// +// After preprocessor defs are handled, what this should do is expose the following types: +// SInt16 - Signed 16-bit integer +// UInt16 - Signed 16-bit integer +// UInt15 - Unsigned 15-bit integer +// SInt32 - Signed 32-bit integer +// UInt31 - Unsigned 31-bit integer +// AInt16 - 16-bit integer of unknown signedness (only used for storage) +// Int16CompFlag - Comparison flags from comparing 16-bit integers +// Int32CompFlag - Comparison flags from comparing 32-bit integers +// FloatCompFlag - Comparison flags from comparing 32-bit floats +// +// The reason for these distinctions are that depending on the instruction set, signed or unsigned versions of certain ops +// (particularly max, min, compares, and right shift) may not be available. In cases where ops are not available, it's +// necessary to do high bit manipulations to accomplish the operation with 16-bit numbers. The 15-bit and 31-bit uint types +// can elide the bit flips if unsigned versions are not available. + +namespace cvtt +{ +#ifdef CVTT_USE_SSE2 + // SSE2 version + struct ParallelMath + { + typedef uint16_t ScalarUInt16; + typedef int16_t ScalarSInt16; + + template<unsigned int TRoundingMode> + struct RoundForScope + { + unsigned int m_oldCSR; + + RoundForScope() + { + m_oldCSR = _mm_getcsr(); + _mm_setcsr((m_oldCSR & ~_MM_ROUND_MASK) | (TRoundingMode)); + } + + ~RoundForScope() + { + _mm_setcsr(m_oldCSR); + } + }; + + struct RoundTowardZeroForScope : RoundForScope<_MM_ROUND_TOWARD_ZERO> + { + }; + + struct RoundTowardNearestForScope : RoundForScope<_MM_ROUND_NEAREST> + { + }; + + struct RoundUpForScope : RoundForScope<_MM_ROUND_UP> + { + }; + + struct RoundDownForScope : RoundForScope<_MM_ROUND_DOWN> + { + }; + + static const int ParallelSize = 8; + + enum Int16Subtype + { + IntSubtype_Signed, + IntSubtype_UnsignedFull, + IntSubtype_UnsignedTruncated, + IntSubtype_Abstract, + }; + + template<int TSubtype> + struct VInt16 + { + __m128i m_value; + + inline VInt16 operator+(int16_t other) const + { + VInt16 result; + result.m_value = _mm_add_epi16(m_value, _mm_set1_epi16(static_cast<int16_t>(other))); + return result; + } + + inline VInt16 operator+(const VInt16 &other) const + { + VInt16 result; + result.m_value = _mm_add_epi16(m_value, other.m_value); + return result; + } + + inline VInt16 operator|(const VInt16 &other) const + { + VInt16 result; + result.m_value = _mm_or_si128(m_value, other.m_value); + return result; + } + + inline VInt16 operator&(const VInt16 &other) const + { + VInt16 result; + result.m_value = _mm_and_si128(m_value, other.m_value); + return result; + } + + inline VInt16 operator-(const VInt16 &other) const + { + VInt16 result; + result.m_value = _mm_sub_epi16(m_value, other.m_value); + return result; + } + + inline VInt16 operator<<(int bits) const + { + VInt16 result; + result.m_value = _mm_slli_epi16(m_value, bits); + return result; + } + + inline VInt16 operator^(const VInt16 &other) const + { + VInt16 result; + result.m_value = _mm_xor_si128(m_value, other.m_value); + return result; + } + }; + + typedef VInt16<IntSubtype_Signed> SInt16; + typedef VInt16<IntSubtype_UnsignedFull> UInt16; + typedef VInt16<IntSubtype_UnsignedTruncated> UInt15; + typedef VInt16<IntSubtype_Abstract> AInt16; + + template<int TSubtype> + struct VInt32 + { + __m128i m_values[2]; + + inline VInt32 operator+(const VInt32& other) const + { + VInt32 result; + result.m_values[0] = _mm_add_epi32(m_values[0], other.m_values[0]); + result.m_values[1] = _mm_add_epi32(m_values[1], other.m_values[1]); + return result; + } + + inline VInt32 operator-(const VInt32& other) const + { + VInt32 result; + result.m_values[0] = _mm_sub_epi32(m_values[0], other.m_values[0]); + result.m_values[1] = _mm_sub_epi32(m_values[1], other.m_values[1]); + return result; + } + + inline VInt32 operator<<(const int other) const + { + VInt32 result; + result.m_values[0] = _mm_slli_epi32(m_values[0], other); + result.m_values[1] = _mm_slli_epi32(m_values[1], other); + return result; + } + + inline VInt32 operator|(const VInt32& other) const + { + VInt32 result; + result.m_values[0] = _mm_or_si128(m_values[0], other.m_values[0]); + result.m_values[1] = _mm_or_si128(m_values[1], other.m_values[1]); + return result; + } + }; + + typedef VInt32<IntSubtype_Signed> SInt32; + typedef VInt32<IntSubtype_UnsignedTruncated> UInt31; + typedef VInt32<IntSubtype_UnsignedFull> UInt32; + typedef VInt32<IntSubtype_Abstract> AInt32; + + template<class TTargetType> + struct LosslessCast + { +#ifdef CVTT_PERMIT_ALIASING + template<int TSrcSubtype> + static const TTargetType& Cast(const VInt32<TSrcSubtype> &src) + { + return reinterpret_cast<VInt32<TSubtype>&>(src); + } + + template<int TSrcSubtype> + static const TTargetType& Cast(const VInt16<TSrcSubtype> &src) + { + return reinterpret_cast<VInt16<TSubtype>&>(src); + } +#else + template<int TSrcSubtype> + static TTargetType Cast(const VInt32<TSrcSubtype> &src) + { + TTargetType result; + result.m_values[0] = src.m_values[0]; + result.m_values[1] = src.m_values[1]; + return result; + } + + template<int TSrcSubtype> + static TTargetType Cast(const VInt16<TSrcSubtype> &src) + { + TTargetType result; + result.m_value = src.m_value; + return result; + } +#endif + }; + + struct Int64 + { + __m128i m_values[4]; + }; + + struct Float + { + __m128 m_values[2]; + + inline Float operator+(const Float &other) const + { + Float result; + result.m_values[0] = _mm_add_ps(m_values[0], other.m_values[0]); + result.m_values[1] = _mm_add_ps(m_values[1], other.m_values[1]); + return result; + } + + inline Float operator+(float other) const + { + Float result; + result.m_values[0] = _mm_add_ps(m_values[0], _mm_set1_ps(other)); + result.m_values[1] = _mm_add_ps(m_values[1], _mm_set1_ps(other)); + return result; + } + + inline Float operator-(const Float& other) const + { + Float result; + result.m_values[0] = _mm_sub_ps(m_values[0], other.m_values[0]); + result.m_values[1] = _mm_sub_ps(m_values[1], other.m_values[1]); + return result; + } + + inline Float operator-() const + { + Float result; + result.m_values[0] = _mm_sub_ps(_mm_setzero_ps(), m_values[0]); + result.m_values[1] = _mm_sub_ps(_mm_setzero_ps(), m_values[1]); + return result; + } + + inline Float operator*(const Float& other) const + { + Float result; + result.m_values[0] = _mm_mul_ps(m_values[0], other.m_values[0]); + result.m_values[1] = _mm_mul_ps(m_values[1], other.m_values[1]); + return result; + } + + inline Float operator*(float other) const + { + Float result; + result.m_values[0] = _mm_mul_ps(m_values[0], _mm_set1_ps(other)); + result.m_values[1] = _mm_mul_ps(m_values[1], _mm_set1_ps(other)); + return result; + } + + inline Float operator/(const Float &other) const + { + Float result; + result.m_values[0] = _mm_div_ps(m_values[0], other.m_values[0]); + result.m_values[1] = _mm_div_ps(m_values[1], other.m_values[1]); + return result; + } + + inline Float operator/(float other) const + { + Float result; + result.m_values[0] = _mm_div_ps(m_values[0], _mm_set1_ps(other)); + result.m_values[1] = _mm_div_ps(m_values[1], _mm_set1_ps(other)); + return result; + } + }; + + struct Int16CompFlag + { + __m128i m_value; + + inline Int16CompFlag operator&(const Int16CompFlag &other) const + { + Int16CompFlag result; + result.m_value = _mm_and_si128(m_value, other.m_value); + return result; + } + + inline Int16CompFlag operator|(const Int16CompFlag &other) const + { + Int16CompFlag result; + result.m_value = _mm_or_si128(m_value, other.m_value); + return result; + } + }; + + struct Int32CompFlag + { + __m128i m_values[2]; + + inline Int32CompFlag operator&(const Int32CompFlag &other) const + { + Int32CompFlag result; + result.m_values[0] = _mm_and_si128(m_values[0], other.m_values[0]); + result.m_values[1] = _mm_and_si128(m_values[1], other.m_values[1]); + return result; + } + + inline Int32CompFlag operator|(const Int32CompFlag &other) const + { + Int32CompFlag result; + result.m_values[0] = _mm_or_si128(m_values[0], other.m_values[0]); + result.m_values[1] = _mm_or_si128(m_values[1], other.m_values[1]); + return result; + } + }; + + struct FloatCompFlag + { + __m128 m_values[2]; + + inline FloatCompFlag operator&(const FloatCompFlag &other) const + { + FloatCompFlag result; + result.m_values[0] = _mm_and_ps(m_values[0], other.m_values[0]); + result.m_values[1] = _mm_and_ps(m_values[1], other.m_values[1]); + return result; + } + + inline FloatCompFlag operator|(const FloatCompFlag &other) const + { + FloatCompFlag result; + result.m_values[0] = _mm_or_ps(m_values[0], other.m_values[0]); + result.m_values[1] = _mm_or_ps(m_values[1], other.m_values[1]); + return result; + } + }; + + template<int TSubtype> + static VInt16<TSubtype> AbstractAdd(const VInt16<TSubtype> &a, const VInt16<TSubtype> &b) + { + VInt16<TSubtype> result; + result.m_value = _mm_add_epi16(a.m_value, b.m_value); + return result; + } + + template<int TSubtype> + static VInt16<TSubtype> AbstractSubtract(const VInt16<TSubtype> &a, const VInt16<TSubtype> &b) + { + VInt16<TSubtype> result; + result.m_value = _mm_sub_epi16(a.m_value, b.m_value); + return result; + } + + static Float Select(const FloatCompFlag &flag, const Float &a, const Float &b) + { + Float result; + for (int i = 0; i < 2; i++) + result.m_values[i] = _mm_or_ps(_mm_and_ps(flag.m_values[i], a.m_values[i]), _mm_andnot_ps(flag.m_values[i], b.m_values[i])); + return result; + } + + template<int TSubtype> + static VInt16<TSubtype> Select(const Int16CompFlag &flag, const VInt16<TSubtype> &a, const VInt16<TSubtype> &b) + { + VInt16<TSubtype> result; + result.m_value = _mm_or_si128(_mm_and_si128(flag.m_value, a.m_value), _mm_andnot_si128(flag.m_value, b.m_value)); + return result; + } + + template<int TSubtype> + static VInt16<TSubtype> SelectOrZero(const Int16CompFlag &flag, const VInt16<TSubtype> &a) + { + VInt16<TSubtype> result; + result.m_value = _mm_and_si128(flag.m_value, a.m_value); + return result; + } + + template<int TSubtype> + static void ConditionalSet(VInt16<TSubtype> &dest, const Int16CompFlag &flag, const VInt16<TSubtype> &src) + { + dest.m_value = _mm_or_si128(_mm_andnot_si128(flag.m_value, dest.m_value), _mm_and_si128(flag.m_value, src.m_value)); + } + + template<int TSubtype> + static void ConditionalSet(VInt32<TSubtype> &dest, const Int16CompFlag &flag, const VInt32<TSubtype> &src) + { + __m128i lowFlags = _mm_unpacklo_epi16(flag.m_value, flag.m_value); + __m128i highFlags = _mm_unpackhi_epi16(flag.m_value, flag.m_value); + dest.m_values[0] = _mm_or_si128(_mm_andnot_si128(lowFlags, dest.m_values[0]), _mm_and_si128(lowFlags, src.m_values[0])); + dest.m_values[1] = _mm_or_si128(_mm_andnot_si128(highFlags, dest.m_values[1]), _mm_and_si128(highFlags, src.m_values[1])); + } + + static void ConditionalSet(ParallelMath::Int16CompFlag &dest, const Int16CompFlag &flag, const ParallelMath::Int16CompFlag &src) + { + dest.m_value = _mm_or_si128(_mm_andnot_si128(flag.m_value, dest.m_value), _mm_and_si128(flag.m_value, src.m_value)); + } + + static SInt16 ConditionalNegate(const Int16CompFlag &flag, const SInt16 &v) + { + SInt16 result; + result.m_value = _mm_add_epi16(_mm_xor_si128(flag.m_value, v.m_value), _mm_srli_epi16(flag.m_value, 15)); + return result; + } + + template<int TSubtype> + static void NotConditionalSet(VInt16<TSubtype> &dest, const Int16CompFlag &flag, const VInt16<TSubtype> &src) + { + dest.m_value = _mm_or_si128(_mm_and_si128(flag.m_value, dest.m_value), _mm_andnot_si128(flag.m_value, src.m_value)); + } + + static void ConditionalSet(Float &dest, const FloatCompFlag &flag, const Float &src) + { + for (int i = 0; i < 2; i++) + dest.m_values[i] = _mm_or_ps(_mm_andnot_ps(flag.m_values[i], dest.m_values[i]), _mm_and_ps(flag.m_values[i], src.m_values[i])); + } + + static void NotConditionalSet(Float &dest, const FloatCompFlag &flag, const Float &src) + { + for (int i = 0; i < 2; i++) + dest.m_values[i] = _mm_or_ps(_mm_and_ps(flag.m_values[i], dest.m_values[i]), _mm_andnot_ps(flag.m_values[i], src.m_values[i])); + } + + static void MakeSafeDenominator(Float& v) + { + ConditionalSet(v, Equal(v, MakeFloatZero()), MakeFloat(1.0f)); + } + + static SInt16 TruncateToPrecisionSigned(const SInt16 &v, int precision) + { + int lostBits = 16 - precision; + if (lostBits == 0) + return v; + + SInt16 result; + result.m_value = _mm_srai_epi16(_mm_slli_epi16(v.m_value, lostBits), lostBits); + return result; + } + + static UInt16 TruncateToPrecisionUnsigned(const UInt16 &v, int precision) + { + int lostBits = 16 - precision; + if (lostBits == 0) + return v; + + UInt16 result; + result.m_value = _mm_srli_epi16(_mm_slli_epi16(v.m_value, lostBits), lostBits); + return result; + } + + static UInt16 Min(const UInt16 &a, const UInt16 &b) + { + __m128i bitFlip = _mm_set1_epi16(-32768); + + UInt16 result; + result.m_value = _mm_xor_si128(_mm_min_epi16(_mm_xor_si128(a.m_value, bitFlip), _mm_xor_si128(b.m_value, bitFlip)), bitFlip); + return result; + } + + static SInt16 Min(const SInt16 &a, const SInt16 &b) + { + SInt16 result; + result.m_value = _mm_min_epi16(a.m_value, b.m_value); + return result; + } + + static UInt15 Min(const UInt15 &a, const UInt15 &b) + { + UInt15 result; + result.m_value = _mm_min_epi16(a.m_value, b.m_value); + return result; + } + + static Float Min(const Float &a, const Float &b) + { + Float result; + for (int i = 0; i < 2; i++) + result.m_values[i] = _mm_min_ps(a.m_values[i], b.m_values[i]); + return result; + } + + static UInt16 Max(const UInt16 &a, const UInt16 &b) + { + __m128i bitFlip = _mm_set1_epi16(-32768); + + UInt16 result; + result.m_value = _mm_xor_si128(_mm_max_epi16(_mm_xor_si128(a.m_value, bitFlip), _mm_xor_si128(b.m_value, bitFlip)), bitFlip); + return result; + } + + static SInt16 Max(const SInt16 &a, const SInt16 &b) + { + SInt16 result; + result.m_value = _mm_max_epi16(a.m_value, b.m_value); + return result; + } + + static UInt15 Max(const UInt15 &a, const UInt15 &b) + { + UInt15 result; + result.m_value = _mm_max_epi16(a.m_value, b.m_value); + return result; + } + + static Float Max(const Float &a, const Float &b) + { + Float result; + for (int i = 0; i < 2; i++) + result.m_values[i] = _mm_max_ps(a.m_values[i], b.m_values[i]); + return result; + } + + static Float Clamp(const Float &v, float min, float max) + { + Float result; + for (int i = 0; i < 2; i++) + result.m_values[i] = _mm_max_ps(_mm_min_ps(v.m_values[i], _mm_set1_ps(max)), _mm_set1_ps(min)); + return result; + } + + static Float Reciprocal(const Float &v) + { + Float result; + for (int i = 0; i < 2; i++) + result.m_values[i] = _mm_rcp_ps(v.m_values[i]); + return result; + } + + static void ConvertLDRInputs(const PixelBlockU8* inputBlocks, int pxOffset, int channel, UInt15 &chOut) + { + int16_t values[8]; + for (int i = 0; i < 8; i++) + values[i] = inputBlocks[i].m_pixels[pxOffset][channel]; + + chOut.m_value = _mm_set_epi16(values[7], values[6], values[5], values[4], values[3], values[2], values[1], values[0]); + } + + static void ConvertHDRInputs(const PixelBlockF16* inputBlocks, int pxOffset, int channel, SInt16 &chOut) + { + int16_t values[8]; + for (int i = 0; i < 8; i++) + values[i] = inputBlocks[i].m_pixels[pxOffset][channel]; + + chOut.m_value = _mm_set_epi16(values[7], values[6], values[5], values[4], values[3], values[2], values[1], values[0]); + } + + static Float MakeFloat(float v) + { + Float f; + f.m_values[0] = f.m_values[1] = _mm_set1_ps(v); + return f; + } + + static Float MakeFloatZero() + { + Float f; + f.m_values[0] = f.m_values[1] = _mm_setzero_ps(); + return f; + } + + static UInt16 MakeUInt16(uint16_t v) + { + UInt16 result; + result.m_value = _mm_set1_epi16(static_cast<short>(v)); + return result; + } + + static SInt16 MakeSInt16(int16_t v) + { + SInt16 result; + result.m_value = _mm_set1_epi16(static_cast<short>(v)); + return result; + } + + static AInt16 MakeAInt16(int16_t v) + { + AInt16 result; + result.m_value = _mm_set1_epi16(static_cast<short>(v)); + return result; + } + + static UInt15 MakeUInt15(uint16_t v) + { + UInt15 result; + result.m_value = _mm_set1_epi16(static_cast<short>(v)); + return result; + } + + static SInt32 MakeSInt32(int32_t v) + { + SInt32 result; + result.m_values[0] = _mm_set1_epi32(v); + result.m_values[1] = _mm_set1_epi32(v); + return result; + } + + static UInt31 MakeUInt31(uint32_t v) + { + UInt31 result; + result.m_values[0] = _mm_set1_epi32(v); + result.m_values[1] = _mm_set1_epi32(v); + return result; + } + + static uint16_t Extract(const UInt16 &v, int offset) + { + return reinterpret_cast<const uint16_t*>(&v.m_value)[offset]; + } + + static int16_t Extract(const SInt16 &v, int offset) + { + return reinterpret_cast<const int16_t*>(&v.m_value)[offset]; + } + + static uint16_t Extract(const UInt15 &v, int offset) + { + return reinterpret_cast<const uint16_t*>(&v.m_value)[offset]; + } + + static int16_t Extract(const AInt16 &v, int offset) + { + return reinterpret_cast<const int16_t*>(&v.m_value)[offset]; + } + + static int32_t Extract(const SInt32 &v, int offset) + { + return reinterpret_cast<const int32_t*>(&v.m_values[offset >> 2])[offset & 3]; + } + + static float Extract(const Float &v, int offset) + { + return reinterpret_cast<const float*>(&v.m_values[offset >> 2])[offset & 3]; + } + + static bool Extract(const ParallelMath::Int16CompFlag &v, int offset) + { + return reinterpret_cast<const int16_t*>(&v.m_value)[offset] != 0; + } + + static void PutUInt16(UInt16 &dest, int offset, uint16_t v) + { + reinterpret_cast<uint16_t*>(&dest)[offset] = v; + } + + static void PutUInt15(UInt15 &dest, int offset, uint16_t v) + { + reinterpret_cast<uint16_t*>(&dest)[offset] = v; + } + + static void PutSInt16(SInt16 &dest, int offset, int16_t v) + { + reinterpret_cast<int16_t*>(&dest)[offset] = v; + } + + static float ExtractFloat(const Float& v, int offset) + { + return reinterpret_cast<const float*>(&v)[offset]; + } + + static void PutFloat(Float &dest, int offset, float v) + { + reinterpret_cast<float*>(&dest)[offset] = v; + } + + static void PutBoolInt16(Int16CompFlag &dest, int offset, bool v) + { + reinterpret_cast<int16_t*>(&dest)[offset] = v ? -1 : 0; + } + + static Int32CompFlag Less(const UInt31 &a, const UInt31 &b) + { + Int32CompFlag result; + result.m_values[0] = _mm_cmplt_epi32(a.m_values[0], b.m_values[0]); + result.m_values[1] = _mm_cmplt_epi32(a.m_values[1], b.m_values[1]); + return result; + } + + static Int16CompFlag Less(const SInt16 &a, const SInt16 &b) + { + Int16CompFlag result; + result.m_value = _mm_cmplt_epi16(a.m_value, b.m_value); + return result; + } + + static Int16CompFlag Less(const UInt15 &a, const UInt15 &b) + { + Int16CompFlag result; + result.m_value = _mm_cmplt_epi16(a.m_value, b.m_value); + return result; + } + + static Int16CompFlag LessOrEqual(const UInt15 &a, const UInt15 &b) + { + Int16CompFlag result; + result.m_value = _mm_cmplt_epi16(a.m_value, b.m_value); + return result; + } + + static FloatCompFlag Less(const Float &a, const Float &b) + { + FloatCompFlag result; + for (int i = 0; i < 2; i++) + result.m_values[i] = _mm_cmplt_ps(a.m_values[i], b.m_values[i]); + return result; + } + + static FloatCompFlag LessOrEqual(const Float &a, const Float &b) + { + FloatCompFlag result; + for (int i = 0; i < 2; i++) + result.m_values[i] = _mm_cmple_ps(a.m_values[i], b.m_values[i]); + return result; + } + + template<int TSubtype> + static Int16CompFlag Equal(const VInt16<TSubtype> &a, const VInt16<TSubtype> &b) + { + Int16CompFlag result; + result.m_value = _mm_cmpeq_epi16(a.m_value, b.m_value); + return result; + } + + static FloatCompFlag Equal(const Float &a, const Float &b) + { + FloatCompFlag result; + for (int i = 0; i < 2; i++) + result.m_values[i] = _mm_cmpeq_ps(a.m_values[i], b.m_values[i]); + return result; + } + + static Int16CompFlag Equal(const Int16CompFlag &a, const Int16CompFlag &b) + { + Int16CompFlag notResult; + notResult.m_value = _mm_xor_si128(a.m_value, b.m_value); + return Not(notResult); + } + + static Float ToFloat(const UInt16 &v) + { + Float result; + result.m_values[0] = _mm_cvtepi32_ps(_mm_unpacklo_epi16(v.m_value, _mm_setzero_si128())); + result.m_values[1] = _mm_cvtepi32_ps(_mm_unpackhi_epi16(v.m_value, _mm_setzero_si128())); + return result; + } + + static UInt31 ToUInt31(const UInt16 &v) + { + UInt31 result; + result.m_values[0] = _mm_unpacklo_epi16(v.m_value, _mm_setzero_si128()); + result.m_values[1] = _mm_unpackhi_epi16(v.m_value, _mm_setzero_si128()); + return result; + } + + static SInt32 ToInt32(const UInt16 &v) + { + SInt32 result; + result.m_values[0] = _mm_unpacklo_epi16(v.m_value, _mm_setzero_si128()); + result.m_values[1] = _mm_unpackhi_epi16(v.m_value, _mm_setzero_si128()); + return result; + } + + static SInt32 ToInt32(const UInt15 &v) + { + SInt32 result; + result.m_values[0] = _mm_unpacklo_epi16(v.m_value, _mm_setzero_si128()); + result.m_values[1] = _mm_unpackhi_epi16(v.m_value, _mm_setzero_si128()); + return result; + } + + static SInt32 ToInt32(const SInt16 &v) + { + SInt32 result; + result.m_values[0] = _mm_srai_epi32(_mm_unpacklo_epi16(_mm_setzero_si128(), v.m_value), 16); + result.m_values[1] = _mm_srai_epi32(_mm_unpackhi_epi16(_mm_setzero_si128(), v.m_value), 16); + return result; + } + + static Float ToFloat(const SInt16 &v) + { + Float result; + result.m_values[0] = _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpacklo_epi16(_mm_setzero_si128(), v.m_value), 16)); + result.m_values[1] = _mm_cvtepi32_ps(_mm_srai_epi32(_mm_unpackhi_epi16(_mm_setzero_si128(), v.m_value), 16)); + return result; + } + + static Float ToFloat(const UInt15 &v) + { + Float result; + result.m_values[0] = _mm_cvtepi32_ps(_mm_unpacklo_epi16(v.m_value, _mm_setzero_si128())); + result.m_values[1] = _mm_cvtepi32_ps(_mm_unpackhi_epi16(v.m_value, _mm_setzero_si128())); + return result; + } + + static Float ToFloat(const UInt31 &v) + { + Float result; + result.m_values[0] = _mm_cvtepi32_ps(v.m_values[0]); + result.m_values[1] = _mm_cvtepi32_ps(v.m_values[1]); + return result; + } + + static Int16CompFlag FloatFlagToInt16(const FloatCompFlag &v) + { + __m128i lo = _mm_castps_si128(v.m_values[0]); + __m128i hi = _mm_castps_si128(v.m_values[1]); + + Int16CompFlag result; + result.m_value = _mm_packs_epi32(lo, hi); + return result; + } + + static FloatCompFlag Int16FlagToFloat(const Int16CompFlag &v) + { + __m128i lo = _mm_unpacklo_epi16(v.m_value, v.m_value); + __m128i hi = _mm_unpackhi_epi16(v.m_value, v.m_value); + + FloatCompFlag result; + result.m_values[0] = _mm_castsi128_ps(lo); + result.m_values[1] = _mm_castsi128_ps(hi); + return result; + } + + static Int16CompFlag Int32FlagToInt16(const Int32CompFlag &v) + { + __m128i lo = v.m_values[0]; + __m128i hi = v.m_values[1]; + + Int16CompFlag result; + result.m_value = _mm_packs_epi32(lo, hi); + return result; + } + + static Int16CompFlag MakeBoolInt16(bool b) + { + Int16CompFlag result; + if (b) + result.m_value = _mm_set1_epi16(-1); + else + result.m_value = _mm_setzero_si128(); + return result; + } + + static FloatCompFlag MakeBoolFloat(bool b) + { + FloatCompFlag result; + if (b) + result.m_values[0] = result.m_values[1] = _mm_castsi128_ps(_mm_set1_epi32(-1)); + else + result.m_values[0] = result.m_values[1] = _mm_setzero_ps(); + return result; + } + + static Int16CompFlag AndNot(const Int16CompFlag &a, const Int16CompFlag &b) + { + Int16CompFlag result; + result.m_value = _mm_andnot_si128(b.m_value, a.m_value); + return result; + } + + static Int16CompFlag Not(const Int16CompFlag &b) + { + Int16CompFlag result; + result.m_value = _mm_xor_si128(b.m_value, _mm_set1_epi32(-1)); + return result; + } + + static Int32CompFlag Not(const Int32CompFlag &b) + { + Int32CompFlag result; + result.m_values[0] = _mm_xor_si128(b.m_values[0], _mm_set1_epi32(-1)); + result.m_values[1] = _mm_xor_si128(b.m_values[1], _mm_set1_epi32(-1)); + return result; + } + + static UInt16 RoundAndConvertToU16(const Float &v, const void* /*roundingMode*/) + { + __m128i lo = _mm_cvtps_epi32(_mm_add_ps(v.m_values[0], _mm_set1_ps(-32768))); + __m128i hi = _mm_cvtps_epi32(_mm_add_ps(v.m_values[1], _mm_set1_ps(-32768))); + + __m128i packed = _mm_packs_epi32(lo, hi); + + UInt16 result; + result.m_value = _mm_xor_si128(packed, _mm_set1_epi16(-32768)); + return result; + } + + static UInt15 RoundAndConvertToU15(const Float &v, const void* /*roundingMode*/) + { + __m128i lo = _mm_cvtps_epi32(v.m_values[0]); + __m128i hi = _mm_cvtps_epi32(v.m_values[1]); + + __m128i packed = _mm_packs_epi32(lo, hi); + + UInt15 result; + result.m_value = _mm_packs_epi32(lo, hi); + return result; + } + + static SInt16 RoundAndConvertToS16(const Float &v, const void* /*roundingMode*/) + { + __m128i lo = _mm_cvtps_epi32(v.m_values[0]); + __m128i hi = _mm_cvtps_epi32(v.m_values[1]); + + __m128i packed = _mm_packs_epi32(lo, hi); + + SInt16 result; + result.m_value = _mm_packs_epi32(lo, hi); + return result; + } + + static Float Sqrt(const Float &f) + { + Float result; + for (int i = 0; i < 2; i++) + result.m_values[i] = _mm_sqrt_ps(f.m_values[i]); + return result; + } + + static UInt16 Abs(const SInt16 &a) + { + __m128i signBitsXor = _mm_srai_epi16(a.m_value, 15); + __m128i signBitsAdd = _mm_srli_epi16(a.m_value, 15); + + UInt16 result; + result.m_value = _mm_add_epi16(_mm_xor_si128(a.m_value, signBitsXor), signBitsAdd); + return result; + } + + static Float Abs(const Float& a) + { + __m128 invMask = _mm_set1_ps(-0.0f); + + Float result; + result.m_values[0] = _mm_andnot_ps(invMask, a.m_values[0]); + result.m_values[1] = _mm_andnot_ps(invMask, a.m_values[1]); + return result; + } + + static UInt16 SqDiffUInt8(const UInt15 &a, const UInt15 &b) + { + __m128i diff = _mm_sub_epi16(a.m_value, b.m_value); + + UInt16 result; + result.m_value = _mm_mullo_epi16(diff, diff); + return result; + } + + static Float SqDiffSInt16(const SInt16 &a, const SInt16 &b) + { + __m128i diffU = _mm_sub_epi16(_mm_max_epi16(a.m_value, b.m_value), _mm_min_epi16(a.m_value, b.m_value)); + + __m128i mulHi = _mm_mulhi_epu16(diffU, diffU); + __m128i mulLo = _mm_mullo_epi16(diffU, diffU); + __m128i sqDiffHi = _mm_unpackhi_epi16(mulLo, mulHi); + __m128i sqDiffLo = _mm_unpacklo_epi16(mulLo, mulHi); + + Float result; + result.m_values[0] = _mm_cvtepi32_ps(sqDiffLo); + result.m_values[1] = _mm_cvtepi32_ps(sqDiffHi); + + return result; + } + + static Float TwosCLHalfToFloat(const SInt16 &v) + { + __m128i absV = _mm_add_epi16(_mm_xor_si128(v.m_value, _mm_srai_epi16(v.m_value, 15)), _mm_srli_epi16(v.m_value, 15)); + + __m128i signBits = _mm_and_si128(v.m_value, _mm_set1_epi16(-32768)); + __m128i mantissa = _mm_and_si128(v.m_value, _mm_set1_epi16(0x03ff)); + __m128i exponent = _mm_and_si128(v.m_value, _mm_set1_epi16(0x7c00)); + + __m128i isDenormal = _mm_cmpeq_epi16(exponent, _mm_setzero_si128()); + + // Convert exponent to high-bits + exponent = _mm_add_epi16(_mm_srli_epi16(exponent, 3), _mm_set1_epi16(14336)); + + __m128i denormalCorrectionHigh = _mm_and_si128(isDenormal, _mm_or_si128(signBits, _mm_set1_epi16(14336))); + + __m128i highBits = _mm_or_si128(signBits, _mm_or_si128(exponent, _mm_srli_epi16(mantissa, 3))); + __m128i lowBits = _mm_slli_epi16(mantissa, 13); + + __m128i flow = _mm_unpacklo_epi16(lowBits, highBits); + __m128i fhigh = _mm_unpackhi_epi16(lowBits, highBits); + + __m128i correctionLow = _mm_unpacklo_epi16(_mm_setzero_si128(), denormalCorrectionHigh); + __m128i correctionHigh = _mm_unpackhi_epi16(_mm_setzero_si128(), denormalCorrectionHigh); + + Float result; + result.m_values[0] = _mm_sub_ps(_mm_castsi128_ps(flow), _mm_castsi128_ps(correctionLow)); + result.m_values[1] = _mm_sub_ps(_mm_castsi128_ps(fhigh), _mm_castsi128_ps(correctionHigh)); + + return result; + } + + static Float SqDiff2CLFloat(const SInt16 &a, const Float &b) + { + Float fa = TwosCLHalfToFloat(a); + + Float diff = fa - b; + return diff * diff; + } + + static Float SqDiff2CL(const SInt16 &a, const SInt16 &b) + { + Float fa = TwosCLHalfToFloat(a); + Float fb = TwosCLHalfToFloat(b); + + Float diff = fa - fb; + return diff * diff; + } + + static Float SqDiff2CLFloat(const SInt16 &a, float aWeight, const Float &b) + { + Float fa = TwosCLHalfToFloat(a) * aWeight; + + Float diff = fa - b; + return diff * diff; + } + + static UInt16 RightShift(const UInt16 &v, int bits) + { + UInt16 result; + result.m_value = _mm_srli_epi16(v.m_value, bits); + return result; + } + + static UInt31 RightShift(const UInt31 &v, int bits) + { + UInt31 result; + result.m_values[0] = _mm_srli_epi32(v.m_values[0], bits); + result.m_values[1] = _mm_srli_epi32(v.m_values[1], bits); + return result; + } + + static SInt16 RightShift(const SInt16 &v, int bits) + { + SInt16 result; + result.m_value = _mm_srai_epi16(v.m_value, bits); + return result; + } + + static UInt15 RightShift(const UInt15 &v, int bits) + { + UInt15 result; + result.m_value = _mm_srli_epi16(v.m_value, bits); + return result; + } + + static SInt32 RightShift(const SInt32 &v, int bits) + { + SInt32 result; + result.m_values[0] = _mm_srai_epi32(v.m_values[0], bits); + result.m_values[1] = _mm_srai_epi32(v.m_values[1], bits); + return result; + } + + static SInt16 ToSInt16(const SInt32 &v) + { + SInt16 result; + result.m_value = _mm_packs_epi32(v.m_values[0], v.m_values[1]); + return result; + } + + static SInt16 ToSInt16(const UInt16 &v) + { + SInt16 result; + result.m_value = v.m_value; + return result; + } + + static SInt16 ToSInt16(const UInt15 &v) + { + SInt16 result; + result.m_value = v.m_value; + return result; + } + + static UInt16 ToUInt16(const UInt32 &v) + { + __m128i low = _mm_srai_epi32(_mm_slli_epi32(v.m_values[0], 16), 16); + __m128i high = _mm_srai_epi32(_mm_slli_epi32(v.m_values[1], 16), 16); + + UInt16 result; + result.m_value = _mm_packs_epi32(low, high); + return result; + } + + static UInt16 ToUInt16(const UInt31 &v) + { + __m128i low = _mm_srai_epi32(_mm_slli_epi32(v.m_values[0], 16), 16); + __m128i high = _mm_srai_epi32(_mm_slli_epi32(v.m_values[1], 16), 16); + + UInt16 result; + result.m_value = _mm_packs_epi32(low, high); + return result; + } + + static UInt15 ToUInt15(const UInt31 &v) + { + UInt15 result; + result.m_value = _mm_packs_epi32(v.m_values[0], v.m_values[1]); + return result; + } + + static UInt15 ToUInt15(const SInt16 &v) + { + UInt15 result; + result.m_value = v.m_value; + return result; + } + + static UInt15 ToUInt15(const UInt16 &v) + { + UInt15 result; + result.m_value = v.m_value; + return result; + } + + static SInt32 XMultiply(const SInt16 &a, const SInt16 &b) + { + __m128i high = _mm_mulhi_epi16(a.m_value, b.m_value); + __m128i low = _mm_mullo_epi16(a.m_value, b.m_value); + + SInt32 result; + result.m_values[0] = _mm_unpacklo_epi16(low, high); + result.m_values[1] = _mm_unpackhi_epi16(low, high); + return result; + } + + static SInt32 XMultiply(const SInt16 &a, const UInt15 &b) + { + __m128i high = _mm_mulhi_epi16(a.m_value, b.m_value); + __m128i low = _mm_mullo_epi16(a.m_value, b.m_value); + + SInt32 result; + result.m_values[0] = _mm_unpacklo_epi16(low, high); + result.m_values[1] = _mm_unpackhi_epi16(low, high); + return result; + } + + static SInt32 XMultiply(const UInt15 &a, const SInt16 &b) + { + return XMultiply(b, a); + } + + static UInt32 XMultiply(const UInt16 &a, const UInt16 &b) + { + __m128i high = _mm_mulhi_epu16(a.m_value, b.m_value); + __m128i low = _mm_mullo_epi16(a.m_value, b.m_value); + + UInt32 result; + result.m_values[0] = _mm_unpacklo_epi16(low, high); + result.m_values[1] = _mm_unpackhi_epi16(low, high); + return result; + } + + static UInt16 CompactMultiply(const UInt16 &a, const UInt15 &b) + { + UInt16 result; + result.m_value = _mm_mullo_epi16(a.m_value, b.m_value); + return result; + } + + static UInt16 CompactMultiply(const UInt15 &a, const UInt15 &b) + { + UInt16 result; + result.m_value = _mm_mullo_epi16(a.m_value, b.m_value); + return result; + } + + static SInt16 CompactMultiply(const SInt16 &a, const UInt15 &b) + { + SInt16 result; + result.m_value = _mm_mullo_epi16(a.m_value, b.m_value); + return result; + } + + static SInt16 CompactMultiply(const SInt16 &a, const SInt16 &b) + { + SInt16 result; + result.m_value = _mm_mullo_epi16(a.m_value, b.m_value); + return result; + } + + static UInt31 XMultiply(const UInt15 &a, const UInt15 &b) + { + __m128i high = _mm_mulhi_epu16(a.m_value, b.m_value); + __m128i low = _mm_mullo_epi16(a.m_value, b.m_value); + + UInt31 result; + result.m_values[0] = _mm_unpacklo_epi16(low, high); + result.m_values[1] = _mm_unpackhi_epi16(low, high); + return result; + } + + static UInt31 XMultiply(const UInt16 &a, const UInt15 &b) + { + __m128i high = _mm_mulhi_epu16(a.m_value, b.m_value); + __m128i low = _mm_mullo_epi16(a.m_value, b.m_value); + + UInt31 result; + result.m_values[0] = _mm_unpacklo_epi16(low, high); + result.m_values[1] = _mm_unpackhi_epi16(low, high); + return result; + } + + static UInt31 XMultiply(const UInt15 &a, const UInt16 &b) + { + return XMultiply(b, a); + } + + static bool AnySet(const Int16CompFlag &v) + { + return _mm_movemask_epi8(v.m_value) != 0; + } + + static bool AllSet(const Int16CompFlag &v) + { + return _mm_movemask_epi8(v.m_value) == 0xffff; + } + + static bool AnySet(const FloatCompFlag &v) + { + return _mm_movemask_ps(v.m_values[0]) != 0 || _mm_movemask_ps(v.m_values[1]) != 0; + } + + static bool AllSet(const FloatCompFlag &v) + { + return _mm_movemask_ps(v.m_values[0]) == 0xf && _mm_movemask_ps(v.m_values[1]) == 0xf; + } + }; + +#else + // Scalar version + struct ParallelMath + { + struct RoundTowardZeroForScope + { + }; + + struct RoundTowardNearestForScope + { + }; + + struct RoundUpForScope + { + }; + + struct RoundDownForScope + { + }; + + static const int ParallelSize = 1; + + enum Int16Subtype + { + IntSubtype_Signed, + IntSubtype_UnsignedFull, + IntSubtype_UnsignedTruncated, + IntSubtype_Abstract, + }; + + typedef int32_t SInt16; + typedef int32_t UInt15; + typedef int32_t UInt16; + typedef int32_t AInt16; + + typedef int32_t SInt32; + typedef int32_t UInt31; + typedef int32_t UInt32; + typedef int32_t AInt32; + + typedef int32_t ScalarUInt16; + typedef int32_t ScalarSInt16; + + typedef float Float; + + template<class TTargetType> + struct LosslessCast + { + static const int32_t& Cast(const int32_t &src) + { + return src; + } + }; + + typedef bool Int16CompFlag; + typedef bool FloatCompFlag; + + static int32_t AbstractAdd(const int32_t &a, const int32_t &b) + { + return a + b; + } + + static int32_t AbstractSubtract(const int32_t &a, const int32_t &b) + { + return a - b; + } + + static float Select(bool flag, float a, float b) + { + return flag ? a : b; + } + + static int32_t Select(bool flag, int32_t a, int32_t b) + { + return flag ? a : b; + } + + static int32_t SelectOrZero(bool flag, int32_t a) + { + return flag ? a : 0; + } + + static void ConditionalSet(int32_t& dest, bool flag, int32_t src) + { + if (flag) + dest = src; + } + + static void ConditionalSet(bool& dest, bool flag, bool src) + { + if (flag) + dest = src; + } + + static int32_t ConditionalNegate(bool flag, int32_t v) + { + return (flag) ? -v : v; + } + + static void NotConditionalSet(int32_t& dest, bool flag, int32_t src) + { + if (!flag) + dest = src; + } + + static void ConditionalSet(float& dest, bool flag, float src) + { + if (flag) + dest = src; + } + + static void NotConditionalSet(float& dest, bool flag, float src) + { + if (!flag) + dest = src; + } + + static void MakeSafeDenominator(float& v) + { + if (v == 0.0f) + v = 1.0f; + } + + static int32_t SignedRightShift(int32_t v, int bits) + { + return v >> bits; + } + + static int32_t TruncateToPrecisionSigned(int32_t v, int precision) + { + v = (v << (32 - precision)) & 0xffffffff; + return SignedRightShift(v, 32 - precision); + } + + static int32_t TruncateToPrecisionUnsigned(int32_t v, int precision) + { + return v & ((1 << precision) - 1); + } + + static int32_t Min(int32_t a, int32_t b) + { + if (a < b) + return a; + return b; + } + + static float Min(float a, float b) + { + if (a < b) + return a; + return b; + } + + static int32_t Max(int32_t a, int32_t b) + { + if (a > b) + return a; + return b; + } + + static float Max(float a, float b) + { + if (a > b) + return a; + return b; + } + + static float Abs(float a) + { + return fabsf(a); + } + + static int32_t Abs(int32_t a) + { + if (a < 0) + return -a; + return a; + } + + static float Clamp(float v, float min, float max) + { + if (v < min) + return min; + if (v > max) + return max; + return v; + } + + static float Reciprocal(float v) + { + return 1.0f / v; + } + + static void ConvertLDRInputs(const PixelBlockU8* inputBlocks, int pxOffset, int channel, int32_t& chOut) + { + chOut = inputBlocks[0].m_pixels[pxOffset][channel]; + } + + static void ConvertHDRInputs(const PixelBlockF16* inputBlocks, int pxOffset, int channel, int32_t& chOut) + { + chOut = inputBlocks[0].m_pixels[pxOffset][channel]; + } + + static float MakeFloat(float v) + { + return v; + } + + static float MakeFloatZero() + { + return 0.0f; + } + + static int32_t MakeUInt16(uint16_t v) + { + return v; + } + + static int32_t MakeSInt16(int16_t v) + { + return v; + } + + static int32_t MakeAInt16(int16_t v) + { + return v; + } + + static int32_t MakeUInt15(uint16_t v) + { + return v; + } + + static int32_t MakeSInt32(int32_t v) + { + return v; + } + + static int32_t MakeUInt31(int32_t v) + { + return v; + } + + static int32_t Extract(int32_t v, int offset) + { + UNREFERENCED_PARAMETER(offset); + return v; + } + + static bool Extract(bool v, int offset) + { + UNREFERENCED_PARAMETER(offset); + return v; + } + + static float Extract(float v, int offset) + { + UNREFERENCED_PARAMETER(offset); + return v; + } + + static void PutUInt16(int32_t &dest, int offset, ParallelMath::ScalarUInt16 v) + { + UNREFERENCED_PARAMETER(offset); + dest = v; + } + + static void PutUInt15(int32_t &dest, int offset, ParallelMath::ScalarUInt16 v) + { + UNREFERENCED_PARAMETER(offset); + dest = v; + } + + static void PutSInt16(int32_t &dest, int offset, ParallelMath::ScalarSInt16 v) + { + UNREFERENCED_PARAMETER(offset); + dest = v; + } + + static float ExtractFloat(float v, int offset) + { + UNREFERENCED_PARAMETER(offset); + return v; + } + + static void PutFloat(float &dest, int offset, float v) + { + UNREFERENCED_PARAMETER(offset); + dest = v; + } + + static void PutBoolInt16(bool &dest, int offset, bool v) + { + UNREFERENCED_PARAMETER(offset); + dest = v; + } + + static bool Less(int32_t a, int32_t b) + { + return a < b; + } + + static bool Less(float a, float b) + { + return a < b; + } + + static bool LessOrEqual(int32_t a, int32_t b) + { + return a < b; + } + + static bool LessOrEqual(float a, float b) + { + return a < b; + } + + static bool Equal(int32_t a, int32_t b) + { + return a == b; + } + + static bool Equal(float a, float b) + { + return a == b; + } + + static float ToFloat(int32_t v) + { + return static_cast<float>(v); + } + + static int32_t ToUInt31(int32_t v) + { + return v; + } + + static int32_t ToInt32(int32_t v) + { + return v; + } + + static bool FloatFlagToInt16(bool v) + { + return v; + } + + static bool Int32FlagToInt16(bool v) + { + return v; + } + + static bool Int16FlagToFloat(bool v) + { + return v; + } + + static bool MakeBoolInt16(bool b) + { + return b; + } + + static bool MakeBoolFloat(bool b) + { + return b; + } + + static bool AndNot(bool a, bool b) + { + return a && !b; + } + + static bool Not(bool b) + { + return !b; + } + + static int32_t RoundAndConvertToInt(float v, const ParallelMath::RoundTowardZeroForScope *rtz) + { + UNREFERENCED_PARAMETER(rtz); + return static_cast<int>(v); + } + + static int32_t RoundAndConvertToInt(float v, const ParallelMath::RoundUpForScope *ru) + { + UNREFERENCED_PARAMETER(ru); + return static_cast<int>(ceilf(v)); + } + + static int32_t RoundAndConvertToInt(float v, const ParallelMath::RoundDownForScope *rd) + { + UNREFERENCED_PARAMETER(rd); + return static_cast<int>(floorf(v)); + } + + static int32_t RoundAndConvertToInt(float v, const ParallelMath::RoundTowardNearestForScope *rtn) + { + UNREFERENCED_PARAMETER(rtn); + return static_cast<int>(floorf(v + 0.5f)); + } + + template<class TRoundMode> + static int32_t RoundAndConvertToU16(float v, const TRoundMode *roundingMode) + { + return RoundAndConvertToInt(v, roundingMode); + } + + template<class TRoundMode> + static int32_t RoundAndConvertToU15(float v, const TRoundMode *roundingMode) + { + return RoundAndConvertToInt(v, roundingMode); + } + + template<class TRoundMode> + static int32_t RoundAndConvertToS16(float v, const TRoundMode *roundingMode) + { + return RoundAndConvertToInt(v, roundingMode); + } + + static float Sqrt(float f) + { + return sqrtf(f); + } + + static int32_t SqDiffUInt8(int32_t a, int32_t b) + { + int32_t delta = a - b; + return delta * delta; + } + + static int32_t SqDiffInt16(int32_t a, int32_t b) + { + int32_t delta = a - b; + return delta * delta; + } + + static int32_t SqDiffSInt16(int32_t a, int32_t b) + { + int32_t delta = a - b; + return delta * delta; + } + + static float TwosCLHalfToFloat(int32_t v) + { + int32_t absV = (v < 0) ? -v : v; + + int32_t signBits = (absV & -32768); + int32_t mantissa = (absV & 0x03ff); + int32_t exponent = (absV & 0x7c00); + + bool isDenormal = (exponent == 0); + + // Convert exponent to high-bits + exponent = (exponent >> 3) + 14336; + + int32_t denormalCorrection = (isDenormal ? (signBits | 14336) : 0) << 16; + + int32_t fBits = ((exponent | signBits) << 16) | (mantissa << 13); + + float f, correction; + memcpy(&f, &fBits, 4); + memcpy(&correction, &denormalCorrection, 4); + + return f - correction; + } + + static Float SqDiff2CLFloat(const SInt16 &a, const Float &b) + { + Float fa = TwosCLHalfToFloat(a); + + Float diff = fa - b; + return diff * diff; + } + + static Float SqDiff2CL(const SInt16 &a, const SInt16 &b) + { + Float fa = TwosCLHalfToFloat(a); + Float fb = TwosCLHalfToFloat(b); + + Float diff = fa - fb; + return diff * diff; + } + + static Float SqDiff2CLFloat(const SInt16 &a, float aWeight, const Float &b) + { + Float fa = TwosCLHalfToFloat(a) * aWeight; + + Float diff = fa - b; + return diff * diff; + } + + static int32_t RightShift(int32_t v, int bits) + { + return SignedRightShift(v, bits); + } + + static int32_t ToSInt16(int32_t v) + { + return v; + } + + static int32_t ToUInt16(int32_t v) + { + return v; + } + + static int32_t ToUInt15(int32_t v) + { + return v; + } + + static int32_t XMultiply(int32_t a, int32_t b) + { + return a * b; + } + + static int32_t CompactMultiply(int32_t a, int32_t b) + { + return a * b; + } + + static bool AnySet(bool v) + { + return v; + } + + static bool AllSet(bool v) + { + return v; + } + }; + +#endif +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_S3TC.cpp b/thirdparty/cvtt/ConvectionKernels_S3TC.cpp new file mode 100644 index 0000000000..23f1bd3314 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_S3TC.cpp @@ -0,0 +1,1054 @@ +/* +Convection Texture Tools +Copyright (c) 2018-2019 Eric Lasota + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject +to the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +------------------------------------------------------------------------------------- + +Portions based on DirectX Texture Library (DirectXTex) + +Copyright (c) Microsoft Corporation. All rights reserved. +Licensed under the MIT License. + +http://go.microsoft.com/fwlink/?LinkId=248926 +*/ +#include "ConvectionKernels_Config.h" + +#if !defined(CVTT_SINGLE_FILE) || defined(CVTT_SINGLE_FILE_IMPL) + +#include "ConvectionKernels_S3TC.h" + +#include "ConvectionKernels_AggregatedError.h" +#include "ConvectionKernels_BCCommon.h" +#include "ConvectionKernels_EndpointRefiner.h" +#include "ConvectionKernels_EndpointSelector.h" +#include "ConvectionKernels_IndexSelector.h" +#include "ConvectionKernels_UnfinishedEndpoints.h" +#include "ConvectionKernels_S3TC_SingleColor.h" + +void cvtt::Internal::S3TCComputer::Init(MFloat& error) +{ + error = ParallelMath::MakeFloat(FLT_MAX); +} + +void cvtt::Internal::S3TCComputer::QuantizeTo6Bits(MUInt15& v) +{ + MUInt15 reduced = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ParallelMath::CompactMultiply(v, ParallelMath::MakeUInt15(253)) + ParallelMath::MakeUInt16(512), 10)); + v = (reduced << 2) | ParallelMath::RightShift(reduced, 4); +} + +void cvtt::Internal::S3TCComputer::QuantizeTo5Bits(MUInt15& v) +{ + MUInt15 reduced = ParallelMath::LosslessCast<MUInt15>::Cast(ParallelMath::RightShift(ParallelMath::CompactMultiply(v, ParallelMath::MakeUInt15(249)) + ParallelMath::MakeUInt16(1024), 11)); + v = (reduced << 3) | ParallelMath::RightShift(reduced, 2); +} + +void cvtt::Internal::S3TCComputer::QuantizeTo565(MUInt15 endPoint[3]) +{ + QuantizeTo5Bits(endPoint[0]); + QuantizeTo6Bits(endPoint[1]); + QuantizeTo5Bits(endPoint[2]); +} + +cvtt::ParallelMath::Float cvtt::Internal::S3TCComputer::ParanoidFactorForSpan(const MSInt16& span) +{ + return ParallelMath::Abs(ParallelMath::ToFloat(span)) * 0.03f; +} + +cvtt::ParallelMath::Float cvtt::Internal::S3TCComputer::ParanoidDiff(const MUInt15& a, const MUInt15& b, const MFloat& d) +{ + MFloat absDiff = ParallelMath::Abs(ParallelMath::ToFloat(ParallelMath::LosslessCast<MSInt16>::Cast(a) - ParallelMath::LosslessCast<MSInt16>::Cast(b))); + absDiff = absDiff + d; + return absDiff * absDiff; +} + +void cvtt::Internal::S3TCComputer::TestSingleColor(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], int range, const float* channelWeights, + MFloat &bestError, MUInt15 bestEndpoints[2][3], MUInt15 bestIndexes[16], MUInt15 &bestRange, const ParallelMath::RoundTowardNearestForScope *rtn) +{ + float channelWeightsSq[3]; + + for (int ch = 0; ch < 3; ch++) + channelWeightsSq[ch] = channelWeights[ch] * channelWeights[ch]; + + MUInt15 totals[3] = { ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(0) }; + + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 3; ch++) + totals[ch] = totals[ch] + pixels[px][ch]; + } + + MUInt15 average[3]; + for (int ch = 0; ch < 3; ch++) + average[ch] = ParallelMath::RightShift(totals[ch] + ParallelMath::MakeUInt15(8), 4); + + const Tables::S3TCSC::TableEntry* rbTable = NULL; + const Tables::S3TCSC::TableEntry* gTable = NULL; + if (flags & cvtt::Flags::S3TC_Paranoid) + { + if (range == 4) + { + rbTable = Tables::S3TCSC::g_singleColor5_3_p; + gTable = Tables::S3TCSC::g_singleColor6_3_p; + } + else + { + assert(range == 3); + rbTable = Tables::S3TCSC::g_singleColor5_2_p; + gTable = Tables::S3TCSC::g_singleColor6_2_p; + } + } + else + { + if (range == 4) + { + rbTable = Tables::S3TCSC::g_singleColor5_3; + gTable = Tables::S3TCSC::g_singleColor6_3; + } + else + { + assert(range == 3); + rbTable = Tables::S3TCSC::g_singleColor5_2; + gTable = Tables::S3TCSC::g_singleColor6_2; + } + } + + MUInt15 interpolated[3]; + MUInt15 eps[2][3]; + MSInt16 spans[3]; + for (int i = 0; i < ParallelMath::ParallelSize; i++) + { + for (int ch = 0; ch < 3; ch++) + { + uint16_t avg = ParallelMath::Extract(average[ch], i); + const Tables::S3TCSC::TableEntry& tableEntry = ((ch == 1) ? gTable[avg] : rbTable[avg]); + ParallelMath::PutUInt15(eps[0][ch], i, tableEntry.m_min); + ParallelMath::PutUInt15(eps[1][ch], i, tableEntry.m_max); + ParallelMath::PutUInt15(interpolated[ch], i, tableEntry.m_actualColor); + ParallelMath::PutSInt16(spans[ch], i, tableEntry.m_span); + } + } + + MFloat error = ParallelMath::MakeFloatZero(); + if (flags & cvtt::Flags::S3TC_Paranoid) + { + MFloat spanParanoidFactors[3]; + for (int ch = 0; ch < 3; ch++) + spanParanoidFactors[ch] = ParanoidFactorForSpan(spans[ch]); + + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 3; ch++) + error = error + ParanoidDiff(interpolated[ch], pixels[px][ch], spanParanoidFactors[ch]) * channelWeightsSq[ch]; + } + } + else + { + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 3; ch++) + error = error + ParallelMath::ToFloat(ParallelMath::SqDiffUInt8(interpolated[ch], pixels[px][ch])) * channelWeightsSq[ch]; + } + } + + ParallelMath::FloatCompFlag better = ParallelMath::Less(error, bestError); + ParallelMath::Int16CompFlag better16 = ParallelMath::FloatFlagToInt16(better); + + if (ParallelMath::AnySet(better16)) + { + bestError = ParallelMath::Min(bestError, error); + for (int epi = 0; epi < 2; epi++) + for (int ch = 0; ch < 3; ch++) + ParallelMath::ConditionalSet(bestEndpoints[epi][ch], better16, eps[epi][ch]); + + MUInt15 vindexes = ParallelMath::MakeUInt15(1); + for (int px = 0; px < 16; px++) + ParallelMath::ConditionalSet(bestIndexes[px], better16, vindexes); + + ParallelMath::ConditionalSet(bestRange, better16, ParallelMath::MakeUInt15(range)); + } +} + +void cvtt::Internal::S3TCComputer::TestEndpoints(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const MFloat preWeightedPixels[16][4], const MUInt15 unquantizedEndPoints[2][3], int range, const float* channelWeights, + MFloat &bestError, MUInt15 bestEndpoints[2][3], MUInt15 bestIndexes[16], MUInt15 &bestRange, EndpointRefiner<3> *refiner, const ParallelMath::RoundTowardNearestForScope *rtn) +{ + float channelWeightsSq[3]; + + for (int ch = 0; ch < 3; ch++) + channelWeightsSq[ch] = channelWeights[ch] * channelWeights[ch]; + + MUInt15 endPoints[2][3]; + + for (int ep = 0; ep < 2; ep++) + for (int ch = 0; ch < 3; ch++) + endPoints[ep][ch] = unquantizedEndPoints[ep][ch]; + + QuantizeTo565(endPoints[0]); + QuantizeTo565(endPoints[1]); + + IndexSelector<3> selector; + selector.Init<false>(channelWeights, endPoints, range); + + MUInt15 indexes[16]; + + MFloat paranoidFactors[3]; + for (int ch = 0; ch < 3; ch++) + paranoidFactors[ch] = ParanoidFactorForSpan(ParallelMath::LosslessCast<MSInt16>::Cast(endPoints[0][ch]) - ParallelMath::LosslessCast<MSInt16>::Cast(endPoints[1][ch])); + + MFloat error = ParallelMath::MakeFloatZero(); + AggregatedError<3> aggError; + for (int px = 0; px < 16; px++) + { + MUInt15 index = selector.SelectIndexLDR(floatPixels[px], rtn); + indexes[px] = index; + + if (refiner) + refiner->ContributeUnweightedPW(preWeightedPixels[px], index); + + MUInt15 reconstructed[3]; + selector.ReconstructLDRPrecise(index, reconstructed); + + if (flags & Flags::S3TC_Paranoid) + { + for (int ch = 0; ch < 3; ch++) + error = error + ParanoidDiff(reconstructed[ch], pixels[px][ch], paranoidFactors[ch]) * channelWeightsSq[ch]; + } + else + BCCommon::ComputeErrorLDR<3>(flags, reconstructed, pixels[px], aggError); + } + + if (!(flags & Flags::S3TC_Paranoid)) + error = aggError.Finalize(flags, channelWeightsSq); + + ParallelMath::FloatCompFlag better = ParallelMath::Less(error, bestError); + + if (ParallelMath::AnySet(better)) + { + ParallelMath::Int16CompFlag betterInt16 = ParallelMath::FloatFlagToInt16(better); + + ParallelMath::ConditionalSet(bestError, better, error); + + for (int ep = 0; ep < 2; ep++) + for (int ch = 0; ch < 3; ch++) + ParallelMath::ConditionalSet(bestEndpoints[ep][ch], betterInt16, endPoints[ep][ch]); + + for (int px = 0; px < 16; px++) + ParallelMath::ConditionalSet(bestIndexes[px], betterInt16, indexes[px]); + + ParallelMath::ConditionalSet(bestRange, betterInt16, ParallelMath::MakeUInt15(static_cast<uint16_t>(range))); + } +} + +void cvtt::Internal::S3TCComputer::TestCounts(uint32_t flags, const int *counts, int nCounts, const MUInt15 &numElements, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const MFloat preWeightedPixels[16][4], bool alphaTest, + const MFloat floatSortedInputs[16][4], const MFloat preWeightedFloatSortedInputs[16][4], const float *channelWeights, MFloat &bestError, MUInt15 bestEndpoints[2][3], MUInt15 bestIndexes[16], MUInt15 &bestRange, + const ParallelMath::RoundTowardNearestForScope* rtn) +{ + UNREFERENCED_PARAMETER(alphaTest); + UNREFERENCED_PARAMETER(flags); + + EndpointRefiner<3> refiner; + + refiner.Init(nCounts, channelWeights); + + bool escape = false; + int e = 0; + for (int i = 0; i < nCounts; i++) + { + for (int n = 0; n < counts[i]; n++) + { + ParallelMath::Int16CompFlag valid = ParallelMath::Less(ParallelMath::MakeUInt15(static_cast<uint16_t>(n)), numElements); + if (!ParallelMath::AnySet(valid)) + { + escape = true; + break; + } + + if (ParallelMath::AllSet(valid)) + refiner.ContributeUnweightedPW(preWeightedFloatSortedInputs[e++], ParallelMath::MakeUInt15(static_cast<uint16_t>(i))); + else + { + MFloat weight = ParallelMath::Select(ParallelMath::Int16FlagToFloat(valid), ParallelMath::MakeFloat(1.0f), ParallelMath::MakeFloat(0.0f)); + refiner.ContributePW(preWeightedFloatSortedInputs[e++], ParallelMath::MakeUInt15(static_cast<uint16_t>(i)), weight); + } + } + + if (escape) + break; + } + + MUInt15 endPoints[2][3]; + refiner.GetRefinedEndpointsLDR(endPoints, rtn); + + TestEndpoints(flags, pixels, floatPixels, preWeightedPixels, endPoints, nCounts, channelWeights, bestError, bestEndpoints, bestIndexes, bestRange, NULL, rtn); +} + +void cvtt::Internal::S3TCComputer::PackExplicitAlpha(uint32_t flags, const PixelBlockU8* inputs, int inputChannel, uint8_t* packedBlocks, size_t packedBlockStride) +{ + UNREFERENCED_PARAMETER(flags); + ParallelMath::RoundTowardNearestForScope rtn; + + float weights[1] = { 1.0f }; + + MUInt15 pixels[16]; + MFloat floatPixels[16]; + + for (int px = 0; px < 16; px++) + { + ParallelMath::ConvertLDRInputs(inputs, px, inputChannel, pixels[px]); + floatPixels[px] = ParallelMath::ToFloat(pixels[px]); + } + + MUInt15 ep[2][1] = { { ParallelMath::MakeUInt15(0) },{ ParallelMath::MakeUInt15(255) } }; + + IndexSelector<1> selector; + selector.Init<false>(weights, ep, 16); + + MUInt15 indexes[16]; + + for (int px = 0; px < 16; px++) + indexes[px] = selector.SelectIndexLDR(&floatPixels[px], &rtn); + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + for (int px = 0; px < 16; px += 2) + { + int index0 = ParallelMath::Extract(indexes[px], block); + int index1 = ParallelMath::Extract(indexes[px + 1], block); + + packedBlocks[px / 2] = static_cast<uint8_t>(index0 | (index1 << 4)); + } + + packedBlocks += packedBlockStride; + } +} + +void cvtt::Internal::S3TCComputer::PackInterpolatedAlpha(uint32_t flags, const PixelBlockU8* inputs, int inputChannel, uint8_t* packedBlocks, size_t packedBlockStride, bool isSigned, int maxTweakRounds, int numRefineRounds) +{ + if (maxTweakRounds < 1) + maxTweakRounds = 1; + + if (numRefineRounds < 1) + numRefineRounds = 1; + + ParallelMath::RoundTowardNearestForScope rtn; + + float oneWeight[1] = { 1.0f }; + + MUInt15 pixels[16]; + MFloat floatPixels[16]; + + MUInt15 highTerminal = isSigned ? ParallelMath::MakeUInt15(254) : ParallelMath::MakeUInt15(255); + MUInt15 highTerminalMinusOne = highTerminal - ParallelMath::MakeUInt15(1); + + for (int px = 0; px < 16; px++) + { + ParallelMath::ConvertLDRInputs(inputs, px, inputChannel, pixels[px]); + + if (isSigned) + pixels[px] = ParallelMath::Min(pixels[px], highTerminal); + + floatPixels[px] = ParallelMath::ToFloat(pixels[px]); + } + + MUInt15 sortedPixels[16]; + for (int px = 0; px < 16; px++) + sortedPixels[px] = pixels[px]; + + for (int sortEnd = 15; sortEnd > 0; sortEnd--) + { + for (int sortOffset = 0; sortOffset < sortEnd; sortOffset++) + { + MUInt15 a = sortedPixels[sortOffset]; + MUInt15 b = sortedPixels[sortOffset + 1]; + + sortedPixels[sortOffset] = ParallelMath::Min(a, b); + sortedPixels[sortOffset + 1] = ParallelMath::Max(a, b); + } + } + + MUInt15 zero = ParallelMath::MakeUInt15(0); + MUInt15 one = ParallelMath::MakeUInt15(1); + + MUInt15 bestIsFullRange = zero; + MFloat bestError = ParallelMath::MakeFloat(FLT_MAX); + MUInt15 bestEP[2] = { zero, zero }; + MUInt15 bestIndexes[16] = { + zero, zero, zero, zero, + zero, zero, zero, zero, + zero, zero, zero, zero, + zero, zero, zero, zero + }; + + // Full-precision + { + MUInt15 minEP = sortedPixels[0]; + MUInt15 maxEP = sortedPixels[15]; + + MFloat base[1] = { ParallelMath::ToFloat(minEP) }; + MFloat offset[1] = { ParallelMath::ToFloat(maxEP - minEP) }; + + UnfinishedEndpoints<1> ufep = UnfinishedEndpoints<1>(base, offset); + + int numTweakRounds = BCCommon::TweakRoundsForRange(8); + if (numTweakRounds > maxTweakRounds) + numTweakRounds = maxTweakRounds; + + for (int tweak = 0; tweak < numTweakRounds; tweak++) + { + MUInt15 ep[2][1]; + + ufep.FinishLDR(tweak, 8, ep[0], ep[1]); + + for (int refinePass = 0; refinePass < numRefineRounds; refinePass++) + { + EndpointRefiner<1> refiner; + refiner.Init(8, oneWeight); + + if (isSigned) + for (int epi = 0; epi < 2; epi++) + ep[epi][0] = ParallelMath::Min(ep[epi][0], highTerminal); + + IndexSelector<1> indexSelector; + indexSelector.Init<false>(oneWeight, ep, 8); + + MUInt15 indexes[16]; + + AggregatedError<1> aggError; + for (int px = 0; px < 16; px++) + { + MUInt15 index = indexSelector.SelectIndexLDR(&floatPixels[px], &rtn); + + MUInt15 reconstructedPixel; + + indexSelector.ReconstructLDRPrecise(index, &reconstructedPixel); + BCCommon::ComputeErrorLDR<1>(flags, &reconstructedPixel, &pixels[px], aggError); + + if (refinePass != numRefineRounds - 1) + refiner.ContributeUnweightedPW(&floatPixels[px], index); + + indexes[px] = index; + } + MFloat error = aggError.Finalize(flags | Flags::Uniform, oneWeight); + + ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(error, bestError); + ParallelMath::Int16CompFlag errorBetter16 = ParallelMath::FloatFlagToInt16(errorBetter); + + if (ParallelMath::AnySet(errorBetter16)) + { + bestError = ParallelMath::Min(error, bestError); + ParallelMath::ConditionalSet(bestIsFullRange, errorBetter16, one); + for (int px = 0; px < 16; px++) + ParallelMath::ConditionalSet(bestIndexes[px], errorBetter16, indexes[px]); + + for (int epi = 0; epi < 2; epi++) + ParallelMath::ConditionalSet(bestEP[epi], errorBetter16, ep[epi][0]); + } + + if (refinePass != numRefineRounds - 1) + refiner.GetRefinedEndpointsLDR(ep, &rtn); + } + } + } + + // Reduced precision with special endpoints + { + MUInt15 bestHeuristicMin = sortedPixels[0]; + MUInt15 bestHeuristicMax = sortedPixels[15]; + + ParallelMath::Int16CompFlag canTryClipping; + + // In reduced precision, we want try putting endpoints at the reserved indexes at the ends. + // The heuristic we use is to assign indexes to the end as long as they aren't off by more than half of the index range. + // This will usually not find anything, but it's cheap to check. + + { + MUInt15 largestPossibleRange = bestHeuristicMax - bestHeuristicMin; // Max: 255 + MUInt15 lowestPossibleClearance = ParallelMath::Min(bestHeuristicMin, static_cast<MUInt15>(highTerminal - bestHeuristicMax)); + + MUInt15 lowestPossibleClearanceTimes10 = (lowestPossibleClearance << 2) + (lowestPossibleClearance << 4); + canTryClipping = ParallelMath::LessOrEqual(lowestPossibleClearanceTimes10, largestPossibleRange); + } + + if (ParallelMath::AnySet(canTryClipping)) + { + MUInt15 lowClearances[16]; + MUInt15 highClearances[16]; + MUInt15 bestSkipCount = ParallelMath::MakeUInt15(0); + + lowClearances[0] = highClearances[0] = ParallelMath::MakeUInt15(0); + + for (int px = 1; px < 16; px++) + { + lowClearances[px] = sortedPixels[px - 1]; + highClearances[px] = highTerminal - sortedPixels[16 - px]; + } + + for (uint16_t firstIndex = 0; firstIndex < 16; firstIndex++) + { + uint16_t numSkippedLow = firstIndex; + + MUInt15 lowClearance = lowClearances[firstIndex]; + + for (uint16_t lastIndex = firstIndex; lastIndex < 16; lastIndex++) + { + uint16_t numSkippedHigh = 15 - lastIndex; + uint16_t numSkipped = numSkippedLow + numSkippedHigh; + + MUInt15 numSkippedV = ParallelMath::MakeUInt15(numSkipped); + + ParallelMath::Int16CompFlag areMoreSkipped = ParallelMath::Less(bestSkipCount, numSkippedV); + + if (!ParallelMath::AnySet(areMoreSkipped)) + continue; + + MUInt15 clearance = ParallelMath::Max(highClearances[numSkippedHigh], lowClearance); + MUInt15 clearanceTimes10 = (clearance << 2) + (clearance << 4); + + MUInt15 range = sortedPixels[lastIndex] - sortedPixels[firstIndex]; + + ParallelMath::Int16CompFlag isBetter = (areMoreSkipped & ParallelMath::LessOrEqual(clearanceTimes10, range)); + ParallelMath::ConditionalSet(bestHeuristicMin, isBetter, sortedPixels[firstIndex]); + ParallelMath::ConditionalSet(bestHeuristicMax, isBetter, sortedPixels[lastIndex]); + } + } + } + + MUInt15 bestSimpleMin = one; + MUInt15 bestSimpleMax = highTerminalMinusOne; + + for (int px = 0; px < 16; px++) + { + ParallelMath::ConditionalSet(bestSimpleMin, ParallelMath::Less(zero, sortedPixels[15 - px]), sortedPixels[15 - px]); + ParallelMath::ConditionalSet(bestSimpleMax, ParallelMath::Less(sortedPixels[px], highTerminal), sortedPixels[px]); + } + + MUInt15 minEPs[2] = { bestSimpleMin, bestHeuristicMin }; + MUInt15 maxEPs[2] = { bestSimpleMax, bestHeuristicMax }; + + int minEPRange = 2; + if (ParallelMath::AllSet(ParallelMath::Equal(minEPs[0], minEPs[1]))) + minEPRange = 1; + + int maxEPRange = 2; + if (ParallelMath::AllSet(ParallelMath::Equal(maxEPs[0], maxEPs[1]))) + maxEPRange = 1; + + for (int minEPIndex = 0; minEPIndex < minEPRange; minEPIndex++) + { + for (int maxEPIndex = 0; maxEPIndex < maxEPRange; maxEPIndex++) + { + MFloat base[1] = { ParallelMath::ToFloat(minEPs[minEPIndex]) }; + MFloat offset[1] = { ParallelMath::ToFloat(maxEPs[maxEPIndex] - minEPs[minEPIndex]) }; + + UnfinishedEndpoints<1> ufep = UnfinishedEndpoints<1>(base, offset); + + int numTweakRounds = BCCommon::TweakRoundsForRange(6); + if (numTweakRounds > maxTweakRounds) + numTweakRounds = maxTweakRounds; + + for (int tweak = 0; tweak < numTweakRounds; tweak++) + { + MUInt15 ep[2][1]; + + ufep.FinishLDR(tweak, 8, ep[0], ep[1]); + + for (int refinePass = 0; refinePass < numRefineRounds; refinePass++) + { + EndpointRefiner<1> refiner; + refiner.Init(6, oneWeight); + + if (isSigned) + for (int epi = 0; epi < 2; epi++) + ep[epi][0] = ParallelMath::Min(ep[epi][0], highTerminal); + + IndexSelector<1> indexSelector; + indexSelector.Init<false>(oneWeight, ep, 6); + + MUInt15 indexes[16]; + MFloat error = ParallelMath::MakeFloatZero(); + + for (int px = 0; px < 16; px++) + { + MUInt15 selectedIndex = indexSelector.SelectIndexLDR(&floatPixels[px], &rtn); + + MUInt15 reconstructedPixel; + + indexSelector.ReconstructLDRPrecise(selectedIndex, &reconstructedPixel); + + MFloat zeroError = BCCommon::ComputeErrorLDRSimple<1>(flags | Flags::Uniform, &zero, &pixels[px], 1, oneWeight); + MFloat highTerminalError = BCCommon::ComputeErrorLDRSimple<1>(flags | Flags::Uniform, &highTerminal, &pixels[px], 1, oneWeight); + MFloat selectedIndexError = BCCommon::ComputeErrorLDRSimple<1>(flags | Flags::Uniform, &reconstructedPixel, &pixels[px], 1, oneWeight); + + MFloat bestPixelError = zeroError; + MUInt15 index = ParallelMath::MakeUInt15(6); + + ParallelMath::ConditionalSet(index, ParallelMath::FloatFlagToInt16(ParallelMath::Less(highTerminalError, bestPixelError)), ParallelMath::MakeUInt15(7)); + bestPixelError = ParallelMath::Min(bestPixelError, highTerminalError); + + ParallelMath::FloatCompFlag selectedIndexBetter = ParallelMath::Less(selectedIndexError, bestPixelError); + + if (ParallelMath::AllSet(selectedIndexBetter)) + { + if (refinePass != numRefineRounds - 1) + refiner.ContributeUnweightedPW(&floatPixels[px], selectedIndex); + } + else + { + MFloat refineWeight = ParallelMath::Select(selectedIndexBetter, ParallelMath::MakeFloat(1.0f), ParallelMath::MakeFloatZero()); + + if (refinePass != numRefineRounds - 1) + refiner.ContributePW(&floatPixels[px], selectedIndex, refineWeight); + } + + ParallelMath::ConditionalSet(index, ParallelMath::FloatFlagToInt16(selectedIndexBetter), selectedIndex); + bestPixelError = ParallelMath::Min(bestPixelError, selectedIndexError); + + error = error + bestPixelError; + + indexes[px] = index; + } + + ParallelMath::FloatCompFlag errorBetter = ParallelMath::Less(error, bestError); + ParallelMath::Int16CompFlag errorBetter16 = ParallelMath::FloatFlagToInt16(errorBetter); + + if (ParallelMath::AnySet(errorBetter16)) + { + bestError = ParallelMath::Min(error, bestError); + ParallelMath::ConditionalSet(bestIsFullRange, errorBetter16, zero); + for (int px = 0; px < 16; px++) + ParallelMath::ConditionalSet(bestIndexes[px], errorBetter16, indexes[px]); + + for (int epi = 0; epi < 2; epi++) + ParallelMath::ConditionalSet(bestEP[epi], errorBetter16, ep[epi][0]); + } + + if (refinePass != numRefineRounds - 1) + refiner.GetRefinedEndpointsLDR(ep, &rtn); + } + } + } + } + } + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + int ep0 = ParallelMath::Extract(bestEP[0], block); + int ep1 = ParallelMath::Extract(bestEP[1], block); + int isFullRange = ParallelMath::Extract(bestIsFullRange, block); + + if (isSigned) + { + ep0 -= 127; + ep1 -= 127; + + assert(ep0 >= -127 && ep0 <= 127); + assert(ep1 >= -127 && ep1 <= 127); + } + + + bool swapEndpoints = (isFullRange != 0) != (ep0 > ep1); + + if (swapEndpoints) + std::swap(ep0, ep1); + + uint16_t dumpBits = 0; + int dumpBitsOffset = 0; + int dumpByteOffset = 2; + packedBlocks[0] = static_cast<uint8_t>(ep0 & 0xff); + packedBlocks[1] = static_cast<uint8_t>(ep1 & 0xff); + + int maxValue = (isFullRange != 0) ? 7 : 5; + + for (int px = 0; px < 16; px++) + { + int index = ParallelMath::Extract(bestIndexes[px], block); + + if (swapEndpoints && index <= maxValue) + index = maxValue - index; + + if (index != 0) + { + if (index == maxValue) + index = 1; + else if (index < maxValue) + index++; + } + + assert(index >= 0 && index < 8); + + dumpBits |= static_cast<uint16_t>(index << dumpBitsOffset); + dumpBitsOffset += 3; + + if (dumpBitsOffset >= 8) + { + assert(dumpByteOffset < 8); + packedBlocks[dumpByteOffset] = static_cast<uint8_t>(dumpBits & 0xff); + dumpBits >>= 8; + dumpBitsOffset -= 8; + dumpByteOffset++; + } + } + + assert(dumpBitsOffset == 0); + assert(dumpByteOffset == 8); + + packedBlocks += packedBlockStride; + } +} + +void cvtt::Internal::S3TCComputer::PackRGB(uint32_t flags, const PixelBlockU8* inputs, uint8_t* packedBlocks, size_t packedBlockStride, const float channelWeights[4], bool alphaTest, float alphaThreshold, bool exhaustive, int maxTweakRounds, int numRefineRounds) +{ + ParallelMath::RoundTowardNearestForScope rtn; + + if (numRefineRounds < 1) + numRefineRounds = 1; + + if (maxTweakRounds < 1) + maxTweakRounds = 1; + + EndpointSelector<3, 8> endpointSelector; + + MUInt15 pixels[16][4]; + MFloat floatPixels[16][4]; + + MFloat preWeightedPixels[16][4]; + + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 4; ch++) + ParallelMath::ConvertLDRInputs(inputs, px, ch, pixels[px][ch]); + } + + for (int px = 0; px < 16; px++) + { + for (int ch = 0; ch < 4; ch++) + floatPixels[px][ch] = ParallelMath::ToFloat(pixels[px][ch]); + } + + if (alphaTest) + { + MUInt15 threshold = ParallelMath::MakeUInt15(static_cast<uint16_t>(floor(alphaThreshold * 255.0f + 0.5f))); + + for (int px = 0; px < 16; px++) + { + ParallelMath::Int16CompFlag belowThreshold = ParallelMath::Less(pixels[px][3], threshold); + pixels[px][3] = ParallelMath::Select(belowThreshold, ParallelMath::MakeUInt15(0), ParallelMath::MakeUInt15(255)); + } + } + + BCCommon::PreWeightPixelsLDR<4>(preWeightedPixels, pixels, channelWeights); + + MUInt15 minAlpha = ParallelMath::MakeUInt15(255); + + for (int px = 0; px < 16; px++) + minAlpha = ParallelMath::Min(minAlpha, pixels[px][3]); + + MFloat pixelWeights[16]; + for (int px = 0; px < 16; px++) + { + pixelWeights[px] = ParallelMath::MakeFloat(1.0f); + if (alphaTest) + { + ParallelMath::Int16CompFlag isTransparent = ParallelMath::Less(pixels[px][3], ParallelMath::MakeUInt15(255)); + + ParallelMath::ConditionalSet(pixelWeights[px], ParallelMath::Int16FlagToFloat(isTransparent), ParallelMath::MakeFloatZero()); + } + } + + for (int pass = 0; pass < NumEndpointSelectorPasses; pass++) + { + for (int px = 0; px < 16; px++) + endpointSelector.ContributePass(preWeightedPixels[px], pass, pixelWeights[px]); + + endpointSelector.FinishPass(pass); + } + + UnfinishedEndpoints<3> ufep = endpointSelector.GetEndpoints(channelWeights); + + MUInt15 bestEndpoints[2][3]; + MUInt15 bestIndexes[16]; + MUInt15 bestRange = ParallelMath::MakeUInt15(0); + MFloat bestError = ParallelMath::MakeFloat(FLT_MAX); + + for (int px = 0; px < 16; px++) + bestIndexes[px] = ParallelMath::MakeUInt15(0); + + for (int ep = 0; ep < 2; ep++) + for (int ch = 0; ch < 3; ch++) + bestEndpoints[ep][ch] = ParallelMath::MakeUInt15(0); + + if (exhaustive) + { + MSInt16 sortBins[16]; + + { + // Compute an 11-bit index, change it to signed, stuff it in the high bits of the sort bins, + // and pack the original indexes into the low bits. + + MUInt15 sortEP[2][3]; + ufep.FinishLDR(0, 11, sortEP[0], sortEP[1]); + + IndexSelector<3> sortSelector; + sortSelector.Init<false>(channelWeights, sortEP, 1 << 11); + + for (int16_t px = 0; px < 16; px++) + { + MSInt16 sortBin = ParallelMath::LosslessCast<MSInt16>::Cast(sortSelector.SelectIndexLDR(floatPixels[px], &rtn) << 4); + + if (alphaTest) + { + ParallelMath::Int16CompFlag isTransparent = ParallelMath::Less(pixels[px][3], ParallelMath::MakeUInt15(255)); + + ParallelMath::ConditionalSet(sortBin, isTransparent, ParallelMath::MakeSInt16(-16)); // 0xfff0 + } + + sortBin = sortBin + ParallelMath::MakeSInt16(px); + + sortBins[px] = sortBin; + } + } + + // Sort bins + for (int sortEnd = 1; sortEnd < 16; sortEnd++) + { + for (int sortLoc = sortEnd; sortLoc > 0; sortLoc--) + { + MSInt16 a = sortBins[sortLoc]; + MSInt16 b = sortBins[sortLoc - 1]; + + sortBins[sortLoc] = ParallelMath::Max(a, b); + sortBins[sortLoc - 1] = ParallelMath::Min(a, b); + } + } + + MUInt15 firstElement = ParallelMath::MakeUInt15(0); + for (uint16_t e = 0; e < 16; e++) + { + ParallelMath::Int16CompFlag isInvalid = ParallelMath::Less(sortBins[e], ParallelMath::MakeSInt16(0)); + ParallelMath::ConditionalSet(firstElement, isInvalid, ParallelMath::MakeUInt15(e + 1)); + if (!ParallelMath::AnySet(isInvalid)) + break; + } + + MUInt15 numElements = ParallelMath::MakeUInt15(16) - firstElement; + + MUInt15 sortedInputs[16][4]; + MFloat floatSortedInputs[16][4]; + MFloat pwFloatSortedInputs[16][4]; + + for (int e = 0; e < 16; e++) + { + for (int ch = 0; ch < 4; ch++) + sortedInputs[e][ch] = ParallelMath::MakeUInt15(0); + } + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + for (int e = ParallelMath::Extract(firstElement, block); e < 16; e++) + { + ParallelMath::ScalarUInt16 sortBin = ParallelMath::Extract(sortBins[e], block); + int originalIndex = (sortBin & 15); + + for (int ch = 0; ch < 4; ch++) + ParallelMath::PutUInt15(sortedInputs[15 - e][ch], block, ParallelMath::Extract(pixels[originalIndex][ch], block)); + } + } + + for (int e = 0; e < 16; e++) + { + for (int ch = 0; ch < 4; ch++) + { + MFloat f = ParallelMath::ToFloat(sortedInputs[e][ch]); + floatSortedInputs[e][ch] = f; + pwFloatSortedInputs[e][ch] = f * channelWeights[ch]; + } + } + + for (int n0 = 0; n0 <= 15; n0++) + { + int remainingFor1 = 16 - n0; + if (remainingFor1 == 16) + remainingFor1 = 15; + + for (int n1 = 0; n1 <= remainingFor1; n1++) + { + int remainingFor2 = 16 - n1 - n0; + if (remainingFor2 == 16) + remainingFor2 = 15; + + for (int n2 = 0; n2 <= remainingFor2; n2++) + { + int n3 = 16 - n2 - n1 - n0; + + if (n3 == 16) + continue; + + int counts[4] = { n0, n1, n2, n3 }; + + TestCounts(flags, counts, 4, numElements, pixels, floatPixels, preWeightedPixels, alphaTest, floatSortedInputs, pwFloatSortedInputs, channelWeights, bestError, bestEndpoints, bestIndexes, bestRange, &rtn); + } + } + } + + TestSingleColor(flags, pixels, floatPixels, 4, channelWeights, bestError, bestEndpoints, bestIndexes, bestRange, &rtn); + + if (alphaTest) + { + for (int n0 = 0; n0 <= 15; n0++) + { + int remainingFor1 = 16 - n0; + if (remainingFor1 == 16) + remainingFor1 = 15; + + for (int n1 = 0; n1 <= remainingFor1; n1++) + { + int n2 = 16 - n1 - n0; + + if (n2 == 16) + continue; + + int counts[3] = { n0, n1, n2 }; + + TestCounts(flags, counts, 3, numElements, pixels, floatPixels, preWeightedPixels, alphaTest, floatSortedInputs, pwFloatSortedInputs, channelWeights, bestError, bestEndpoints, bestIndexes, bestRange, &rtn); + } + } + + TestSingleColor(flags, pixels, floatPixels, 3, channelWeights, bestError, bestEndpoints, bestIndexes, bestRange, &rtn); + } + } + else + { + int minRange = alphaTest ? 3 : 4; + + for (int range = minRange; range <= 4; range++) + { + int tweakRounds = BCCommon::TweakRoundsForRange(range); + if (tweakRounds > maxTweakRounds) + tweakRounds = maxTweakRounds; + + for (int tweak = 0; tweak < tweakRounds; tweak++) + { + MUInt15 endPoints[2][3]; + + ufep.FinishLDR(tweak, range, endPoints[0], endPoints[1]); + + for (int refine = 0; refine < numRefineRounds; refine++) + { + EndpointRefiner<3> refiner; + refiner.Init(range, channelWeights); + + TestEndpoints(flags, pixels, floatPixels, preWeightedPixels, endPoints, range, channelWeights, bestError, bestEndpoints, bestIndexes, bestRange, &refiner, &rtn); + + if (refine != numRefineRounds - 1) + refiner.GetRefinedEndpointsLDR(endPoints, &rtn); + } + } + } + } + + for (int block = 0; block < ParallelMath::ParallelSize; block++) + { + ParallelMath::ScalarUInt16 range = ParallelMath::Extract(bestRange, block); + assert(range == 3 || range == 4); + + ParallelMath::ScalarUInt16 compressedEP[2]; + for (int ep = 0; ep < 2; ep++) + { + ParallelMath::ScalarUInt16 endPoint[3]; + for (int ch = 0; ch < 3; ch++) + endPoint[ch] = ParallelMath::Extract(bestEndpoints[ep][ch], block); + + int compressed = (endPoint[0] & 0xf8) << 8; + compressed |= (endPoint[1] & 0xfc) << 3; + compressed |= (endPoint[2] & 0xf8) >> 3; + + compressedEP[ep] = static_cast<ParallelMath::ScalarUInt16>(compressed); + } + + int indexOrder[4]; + + if (range == 4) + { + if (compressedEP[0] == compressedEP[1]) + { + indexOrder[0] = 0; + indexOrder[1] = 0; + indexOrder[2] = 0; + indexOrder[3] = 0; + } + else if (compressedEP[0] < compressedEP[1]) + { + std::swap(compressedEP[0], compressedEP[1]); + indexOrder[0] = 1; + indexOrder[1] = 3; + indexOrder[2] = 2; + indexOrder[3] = 0; + } + else + { + indexOrder[0] = 0; + indexOrder[1] = 2; + indexOrder[2] = 3; + indexOrder[3] = 1; + } + } + else + { + assert(range == 3); + + if (compressedEP[0] > compressedEP[1]) + { + std::swap(compressedEP[0], compressedEP[1]); + indexOrder[0] = 1; + indexOrder[1] = 2; + indexOrder[2] = 0; + } + else + { + indexOrder[0] = 0; + indexOrder[1] = 2; + indexOrder[2] = 1; + } + indexOrder[3] = 3; + } + + packedBlocks[0] = static_cast<uint8_t>(compressedEP[0] & 0xff); + packedBlocks[1] = static_cast<uint8_t>((compressedEP[0] >> 8) & 0xff); + packedBlocks[2] = static_cast<uint8_t>(compressedEP[1] & 0xff); + packedBlocks[3] = static_cast<uint8_t>((compressedEP[1] >> 8) & 0xff); + + for (int i = 0; i < 16; i += 4) + { + int packedIndexes = 0; + for (int subi = 0; subi < 4; subi++) + { + ParallelMath::ScalarUInt16 index = ParallelMath::Extract(bestIndexes[i + subi], block); + packedIndexes |= (indexOrder[index] << (subi * 2)); + } + + packedBlocks[4 + i / 4] = static_cast<uint8_t>(packedIndexes); + } + + packedBlocks += packedBlockStride; + } +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_S3TC.h b/thirdparty/cvtt/ConvectionKernels_S3TC.h new file mode 100644 index 0000000000..aa197229c2 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_S3TC.h @@ -0,0 +1,51 @@ +#pragma once +#ifndef __CVTT_S3TC_H__ +#define __CVTT_S3TC_H__ + +#include "ConvectionKernels_ParallelMath.h" + +namespace cvtt +{ + namespace Internal + { + template<int TVectorSize> + class EndpointRefiner; + } + + struct PixelBlockU8; +} + +namespace cvtt +{ + namespace Internal + { + class S3TCComputer + { + public: + typedef ParallelMath::Float MFloat; + typedef ParallelMath::SInt16 MSInt16; + typedef ParallelMath::UInt15 MUInt15; + typedef ParallelMath::UInt16 MUInt16; + typedef ParallelMath::SInt32 MSInt32; + + static void Init(MFloat& error); + static void QuantizeTo6Bits(MUInt15& v); + static void QuantizeTo5Bits(MUInt15& v); + static void QuantizeTo565(MUInt15 endPoint[3]); + static MFloat ParanoidFactorForSpan(const MSInt16& span); + static MFloat ParanoidDiff(const MUInt15& a, const MUInt15& b, const MFloat& d); + static void TestSingleColor(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], int range, const float* channelWeights, + MFloat &bestError, MUInt15 bestEndpoints[2][3], MUInt15 bestIndexes[16], MUInt15 &bestRange, const ParallelMath::RoundTowardNearestForScope *rtn); + static void TestEndpoints(uint32_t flags, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const MFloat preWeightedPixels[16][4], const MUInt15 unquantizedEndPoints[2][3], int range, const float* channelWeights, + MFloat &bestError, MUInt15 bestEndpoints[2][3], MUInt15 bestIndexes[16], MUInt15 &bestRange, EndpointRefiner<3> *refiner, const ParallelMath::RoundTowardNearestForScope *rtn); + static void TestCounts(uint32_t flags, const int *counts, int nCounts, const MUInt15 &numElements, const MUInt15 pixels[16][4], const MFloat floatPixels[16][4], const MFloat preWeightedPixels[16][4], bool alphaTest, + const MFloat floatSortedInputs[16][4], const MFloat preWeightedFloatSortedInputs[16][4], const float *channelWeights, MFloat &bestError, MUInt15 bestEndpoints[2][3], MUInt15 bestIndexes[16], MUInt15 &bestRange, + const ParallelMath::RoundTowardNearestForScope* rtn); + static void PackExplicitAlpha(uint32_t flags, const PixelBlockU8* inputs, int inputChannel, uint8_t* packedBlocks, size_t packedBlockStride); + static void PackInterpolatedAlpha(uint32_t flags, const PixelBlockU8* inputs, int inputChannel, uint8_t* packedBlocks, size_t packedBlockStride, bool isSigned, int maxTweakRounds, int numRefineRounds); + static void PackRGB(uint32_t flags, const PixelBlockU8* inputs, uint8_t* packedBlocks, size_t packedBlockStride, const float channelWeights[4], bool alphaTest, float alphaThreshold, bool exhaustive, int maxTweakRounds, int numRefineRounds); + }; + } +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_S3TC_SingleColor.h b/thirdparty/cvtt/ConvectionKernels_S3TC_SingleColor.h new file mode 100644 index 0000000000..c772b163c2 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_S3TC_SingleColor.h @@ -0,0 +1,304 @@ +#pragma once +#include <stdint.h> + +// This file is generated by the MakeTables app. Do not edit this file manually. + +namespace cvtt { namespace Tables { namespace S3TCSC { + +struct TableEntry +{ + uint8_t m_min; + uint8_t m_max; + uint8_t m_actualColor; + uint8_t m_span; +}; + +TableEntry g_singleColor5_3[256] = +{ + { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 8, 2, 8 }, { 0, 8, 2, 8 }, { 8, 0, 5, 8 }, { 8, 0, 5, 8 }, { 8, 0, 5, 8 }, { 8, 8, 8, 0 }, + { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 16, 10, 8 }, { 0, 33, 11, 33 }, { 16, 8, 13, 8 }, { 16, 8, 13, 8 }, { 16, 8, 13, 8 }, { 16, 16, 16, 0 }, + { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 24, 18, 8 }, { 8, 41, 19, 33 }, { 24, 16, 21, 8 }, { 24, 16, 21, 8 }, { 33, 0, 22, 33 }, { 24, 24, 24, 0 }, + { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 33, 27, 9 }, { 24, 33, 27, 9 }, { 24, 33, 27, 9 }, { 24, 41, 29, 17 }, { 33, 24, 30, 9 }, { 33, 24, 30, 9 }, + { 24, 49, 32, 25 }, { 33, 33, 33, 0 }, { 33, 33, 33, 0 }, { 33, 41, 35, 8 }, { 33, 41, 35, 8 }, { 41, 33, 38, 8 }, { 41, 33, 38, 8 }, { 41, 33, 38, 8 }, + { 49, 24, 40, 25 }, { 41, 41, 41, 0 }, { 41, 41, 41, 0 }, { 41, 49, 43, 8 }, { 33, 66, 44, 33 }, { 49, 41, 46, 8 }, { 49, 41, 46, 8 }, { 49, 41, 46, 8 }, + { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 57, 51, 8 }, { 41, 74, 52, 33 }, { 57, 49, 54, 8 }, { 57, 49, 54, 8 }, { 66, 33, 55, 33 }, + { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 66, 60, 9 }, { 57, 66, 60, 9 }, { 57, 66, 60, 9 }, { 57, 74, 62, 17 }, { 66, 57, 63, 9 }, + { 66, 57, 63, 9 }, { 57, 82, 65, 25 }, { 66, 66, 66, 0 }, { 66, 66, 66, 0 }, { 66, 74, 68, 8 }, { 66, 74, 68, 8 }, { 74, 66, 71, 8 }, { 74, 66, 71, 8 }, + { 74, 66, 71, 8 }, { 82, 57, 73, 25 }, { 74, 74, 74, 0 }, { 74, 74, 74, 0 }, { 74, 82, 76, 8 }, { 66, 99, 77, 33 }, { 82, 74, 79, 8 }, { 82, 74, 79, 8 }, + { 82, 74, 79, 8 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 90, 84, 8 }, { 74, 107, 85, 33 }, { 90, 82, 87, 8 }, { 90, 82, 87, 8 }, + { 99, 66, 88, 33 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 99, 93, 9 }, { 90, 99, 93, 9 }, { 90, 99, 93, 9 }, { 90, 107, 95, 17 }, + { 99, 90, 96, 9 }, { 99, 90, 96, 9 }, { 90, 115, 98, 25 }, { 99, 99, 99, 0 }, { 99, 99, 99, 0 }, { 99, 107, 101, 8 }, { 99, 107, 101, 8 }, { 107, 99, 104, 8 }, + { 107, 99, 104, 8 }, { 107, 99, 104, 8 }, { 115, 90, 106, 25 }, { 107, 107, 107, 0 }, { 107, 107, 107, 0 }, { 107, 115, 109, 8 }, { 99, 132, 110, 33 }, { 115, 107, 112, 8 }, + { 115, 107, 112, 8 }, { 115, 107, 112, 8 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 123, 117, 8 }, { 107, 140, 118, 33 }, { 123, 115, 120, 8 }, + { 123, 115, 120, 8 }, { 132, 99, 121, 33 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 132, 126, 9 }, { 123, 132, 126, 9 }, { 123, 132, 126, 9 }, + { 123, 140, 128, 17 }, { 132, 123, 129, 9 }, { 132, 123, 129, 9 }, { 123, 148, 131, 25 }, { 132, 132, 132, 0 }, { 132, 132, 132, 0 }, { 132, 140, 134, 8 }, { 132, 140, 134, 8 }, + { 140, 132, 137, 8 }, { 140, 132, 137, 8 }, { 140, 132, 137, 8 }, { 148, 123, 139, 25 }, { 140, 140, 140, 0 }, { 140, 140, 140, 0 }, { 140, 148, 142, 8 }, { 132, 165, 143, 33 }, + { 148, 140, 145, 8 }, { 148, 140, 145, 8 }, { 148, 140, 145, 8 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 156, 150, 8 }, { 140, 173, 151, 33 }, + { 156, 148, 153, 8 }, { 156, 148, 153, 8 }, { 165, 132, 154, 33 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 165, 159, 9 }, { 156, 165, 159, 9 }, + { 156, 165, 159, 9 }, { 156, 173, 161, 17 }, { 165, 156, 162, 9 }, { 165, 156, 162, 9 }, { 156, 181, 164, 25 }, { 165, 165, 165, 0 }, { 165, 165, 165, 0 }, { 165, 173, 167, 8 }, + { 165, 173, 167, 8 }, { 173, 165, 170, 8 }, { 173, 165, 170, 8 }, { 173, 165, 170, 8 }, { 181, 156, 172, 25 }, { 173, 173, 173, 0 }, { 173, 173, 173, 0 }, { 173, 181, 175, 8 }, + { 165, 198, 176, 33 }, { 181, 173, 178, 8 }, { 181, 173, 178, 8 }, { 181, 173, 178, 8 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 189, 183, 8 }, + { 173, 206, 184, 33 }, { 189, 181, 186, 8 }, { 189, 181, 186, 8 }, { 198, 165, 187, 33 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 198, 192, 9 }, + { 189, 198, 192, 9 }, { 189, 198, 192, 9 }, { 189, 206, 194, 17 }, { 198, 189, 195, 9 }, { 198, 189, 195, 9 }, { 189, 214, 197, 25 }, { 198, 198, 198, 0 }, { 198, 198, 198, 0 }, + { 198, 206, 200, 8 }, { 198, 206, 200, 8 }, { 206, 198, 203, 8 }, { 206, 198, 203, 8 }, { 206, 198, 203, 8 }, { 214, 189, 205, 25 }, { 206, 206, 206, 0 }, { 206, 206, 206, 0 }, + { 206, 214, 208, 8 }, { 198, 231, 209, 33 }, { 214, 206, 211, 8 }, { 214, 206, 211, 8 }, { 214, 206, 211, 8 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, + { 214, 222, 216, 8 }, { 206, 239, 217, 33 }, { 222, 214, 219, 8 }, { 222, 214, 219, 8 }, { 231, 198, 220, 33 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, + { 222, 231, 225, 9 }, { 222, 231, 225, 9 }, { 222, 231, 225, 9 }, { 222, 239, 227, 17 }, { 231, 222, 228, 9 }, { 231, 222, 228, 9 }, { 222, 247, 230, 25 }, { 231, 231, 231, 0 }, + { 231, 231, 231, 0 }, { 231, 239, 233, 8 }, { 231, 239, 233, 8 }, { 239, 231, 236, 8 }, { 239, 231, 236, 8 }, { 239, 231, 236, 8 }, { 247, 222, 238, 25 }, { 239, 239, 239, 0 }, + { 239, 239, 239, 0 }, { 239, 247, 241, 8 }, { 239, 247, 241, 8 }, { 247, 239, 244, 8 }, { 247, 239, 244, 8 }, { 247, 239, 244, 8 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, + { 247, 247, 247, 0 }, { 247, 255, 249, 8 }, { 247, 255, 249, 8 }, { 255, 247, 252, 8 }, { 255, 247, 252, 8 }, { 255, 247, 252, 8 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, +}; + +TableEntry g_singleColor6_3[256] = +{ + { 0, 0, 0, 0 }, { 0, 4, 1, 4 }, { 4, 0, 2, 4 }, { 4, 4, 4, 0 }, { 4, 4, 4, 0 }, { 4, 8, 5, 4 }, { 8, 4, 6, 4 }, { 8, 8, 8, 0 }, + { 8, 8, 8, 0 }, { 8, 12, 9, 4 }, { 12, 8, 10, 4 }, { 12, 12, 12, 0 }, { 12, 12, 12, 0 }, { 12, 16, 13, 4 }, { 16, 12, 14, 4 }, { 16, 16, 16, 0 }, + { 16, 16, 16, 0 }, { 16, 20, 17, 4 }, { 20, 16, 18, 4 }, { 20, 20, 20, 0 }, { 20, 20, 20, 0 }, { 20, 24, 21, 4 }, { 24, 20, 22, 4 }, { 0, 69, 23, 69 }, + { 24, 24, 24, 0 }, { 24, 28, 25, 4 }, { 28, 24, 26, 4 }, { 8, 65, 27, 57 }, { 28, 28, 28, 0 }, { 28, 32, 29, 4 }, { 32, 28, 30, 4 }, { 12, 69, 31, 57 }, + { 32, 32, 32, 0 }, { 32, 36, 33, 4 }, { 36, 32, 34, 4 }, { 20, 65, 35, 45 }, { 36, 36, 36, 0 }, { 36, 40, 37, 4 }, { 40, 36, 38, 4 }, { 24, 69, 39, 45 }, + { 40, 40, 40, 0 }, { 40, 44, 41, 4 }, { 44, 40, 42, 4 }, { 32, 65, 43, 33 }, { 44, 44, 44, 0 }, { 44, 48, 45, 4 }, { 48, 44, 46, 4 }, { 36, 69, 47, 33 }, + { 48, 48, 48, 0 }, { 48, 52, 49, 4 }, { 52, 48, 50, 4 }, { 44, 65, 51, 21 }, { 52, 52, 52, 0 }, { 52, 56, 53, 4 }, { 56, 52, 54, 4 }, { 48, 69, 55, 21 }, + { 56, 56, 56, 0 }, { 56, 60, 57, 4 }, { 60, 56, 58, 4 }, { 56, 65, 59, 9 }, { 60, 60, 60, 0 }, { 60, 65, 61, 5 }, { 65, 56, 62, 9 }, { 65, 60, 63, 5 }, + { 60, 73, 64, 13 }, { 65, 65, 65, 0 }, { 65, 69, 66, 4 }, { 69, 65, 67, 4 }, { 73, 60, 68, 13 }, { 69, 69, 69, 0 }, { 69, 73, 70, 4 }, { 73, 69, 71, 4 }, + { 81, 56, 72, 25 }, { 73, 73, 73, 0 }, { 73, 77, 74, 4 }, { 77, 73, 75, 4 }, { 85, 60, 76, 25 }, { 77, 77, 77, 0 }, { 77, 81, 78, 4 }, { 81, 77, 79, 4 }, + { 93, 56, 80, 37 }, { 81, 81, 81, 0 }, { 81, 85, 82, 4 }, { 85, 81, 83, 4 }, { 97, 60, 84, 37 }, { 85, 85, 85, 0 }, { 85, 89, 86, 4 }, { 89, 85, 87, 4 }, + { 105, 56, 88, 49 }, { 89, 89, 89, 0 }, { 89, 93, 90, 4 }, { 93, 89, 91, 4 }, { 109, 60, 92, 49 }, { 93, 93, 93, 0 }, { 93, 97, 94, 4 }, { 97, 93, 95, 4 }, + { 77, 134, 96, 57 }, { 97, 97, 97, 0 }, { 97, 101, 98, 4 }, { 101, 97, 99, 4 }, { 85, 130, 100, 45 }, { 101, 101, 101, 0 }, { 101, 105, 102, 4 }, { 105, 101, 103, 4 }, + { 89, 134, 104, 45 }, { 105, 105, 105, 0 }, { 105, 109, 106, 4 }, { 109, 105, 107, 4 }, { 97, 130, 108, 33 }, { 109, 109, 109, 0 }, { 109, 113, 110, 4 }, { 113, 109, 111, 4 }, + { 101, 134, 112, 33 }, { 113, 113, 113, 0 }, { 113, 117, 114, 4 }, { 117, 113, 115, 4 }, { 109, 130, 116, 21 }, { 117, 117, 117, 0 }, { 117, 121, 118, 4 }, { 121, 117, 119, 4 }, + { 113, 134, 120, 21 }, { 121, 121, 121, 0 }, { 121, 125, 122, 4 }, { 125, 121, 123, 4 }, { 121, 130, 124, 9 }, { 125, 125, 125, 0 }, { 125, 130, 126, 5 }, { 130, 121, 127, 9 }, + { 130, 125, 128, 5 }, { 125, 138, 129, 13 }, { 130, 130, 130, 0 }, { 130, 134, 131, 4 }, { 134, 130, 132, 4 }, { 138, 125, 133, 13 }, { 134, 134, 134, 0 }, { 134, 138, 135, 4 }, + { 138, 134, 136, 4 }, { 146, 121, 137, 25 }, { 138, 138, 138, 0 }, { 138, 142, 139, 4 }, { 142, 138, 140, 4 }, { 150, 125, 141, 25 }, { 142, 142, 142, 0 }, { 142, 146, 143, 4 }, + { 146, 142, 144, 4 }, { 158, 121, 145, 37 }, { 146, 146, 146, 0 }, { 146, 150, 147, 4 }, { 150, 146, 148, 4 }, { 162, 125, 149, 37 }, { 150, 150, 150, 0 }, { 150, 154, 151, 4 }, + { 154, 150, 152, 4 }, { 170, 121, 153, 49 }, { 154, 154, 154, 0 }, { 154, 158, 155, 4 }, { 158, 154, 156, 4 }, { 174, 125, 157, 49 }, { 158, 158, 158, 0 }, { 158, 162, 159, 4 }, + { 162, 158, 160, 4 }, { 142, 199, 161, 57 }, { 162, 162, 162, 0 }, { 162, 166, 163, 4 }, { 166, 162, 164, 4 }, { 150, 195, 165, 45 }, { 166, 166, 166, 0 }, { 166, 170, 167, 4 }, + { 170, 166, 168, 4 }, { 154, 199, 169, 45 }, { 170, 170, 170, 0 }, { 170, 174, 171, 4 }, { 174, 170, 172, 4 }, { 162, 195, 173, 33 }, { 174, 174, 174, 0 }, { 174, 178, 175, 4 }, + { 178, 174, 176, 4 }, { 166, 199, 177, 33 }, { 178, 178, 178, 0 }, { 178, 182, 179, 4 }, { 182, 178, 180, 4 }, { 174, 195, 181, 21 }, { 182, 182, 182, 0 }, { 182, 186, 183, 4 }, + { 186, 182, 184, 4 }, { 178, 199, 185, 21 }, { 186, 186, 186, 0 }, { 186, 190, 187, 4 }, { 190, 186, 188, 4 }, { 186, 195, 189, 9 }, { 190, 190, 190, 0 }, { 190, 195, 191, 5 }, + { 195, 186, 192, 9 }, { 195, 190, 193, 5 }, { 190, 203, 194, 13 }, { 195, 195, 195, 0 }, { 195, 199, 196, 4 }, { 199, 195, 197, 4 }, { 203, 190, 198, 13 }, { 199, 199, 199, 0 }, + { 199, 203, 200, 4 }, { 203, 199, 201, 4 }, { 211, 186, 202, 25 }, { 203, 203, 203, 0 }, { 203, 207, 204, 4 }, { 207, 203, 205, 4 }, { 215, 190, 206, 25 }, { 207, 207, 207, 0 }, + { 207, 211, 208, 4 }, { 211, 207, 209, 4 }, { 223, 186, 210, 37 }, { 211, 211, 211, 0 }, { 211, 215, 212, 4 }, { 215, 211, 213, 4 }, { 227, 190, 214, 37 }, { 215, 215, 215, 0 }, + { 215, 219, 216, 4 }, { 219, 215, 217, 4 }, { 235, 186, 218, 49 }, { 219, 219, 219, 0 }, { 219, 223, 220, 4 }, { 223, 219, 221, 4 }, { 239, 190, 222, 49 }, { 223, 223, 223, 0 }, + { 223, 227, 224, 4 }, { 227, 223, 225, 4 }, { 247, 186, 226, 61 }, { 227, 227, 227, 0 }, { 227, 231, 228, 4 }, { 231, 227, 229, 4 }, { 251, 190, 230, 61 }, { 231, 231, 231, 0 }, + { 231, 235, 232, 4 }, { 235, 231, 233, 4 }, { 235, 235, 235, 0 }, { 235, 235, 235, 0 }, { 235, 239, 236, 4 }, { 239, 235, 237, 4 }, { 239, 239, 239, 0 }, { 239, 239, 239, 0 }, + { 239, 243, 240, 4 }, { 243, 239, 241, 4 }, { 243, 243, 243, 0 }, { 243, 243, 243, 0 }, { 243, 247, 244, 4 }, { 247, 243, 245, 4 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, + { 247, 251, 248, 4 }, { 251, 247, 249, 4 }, { 251, 251, 251, 0 }, { 251, 251, 251, 0 }, { 251, 255, 252, 4 }, { 255, 251, 253, 4 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, +}; + +TableEntry g_singleColor5_2[256] = +{ + { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 8, 4, 8 }, { 0, 8, 4, 8 }, { 0, 8, 4, 8 }, { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, + { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 16, 12, 8 }, { 8, 16, 12, 8 }, { 8, 16, 12, 8 }, { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, + { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 24, 20, 8 }, { 16, 24, 20, 8 }, { 16, 24, 20, 8 }, { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, + { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 33, 28, 9 }, { 24, 33, 28, 9 }, { 24, 33, 28, 9 }, { 24, 33, 28, 9 }, { 24, 41, 32, 17 }, + { 24, 41, 32, 17 }, { 33, 33, 33, 0 }, { 33, 33, 33, 0 }, { 24, 49, 36, 25 }, { 24, 49, 36, 25 }, { 33, 41, 37, 8 }, { 33, 41, 37, 8 }, { 24, 57, 40, 33 }, + { 24, 57, 40, 33 }, { 41, 41, 41, 0 }, { 41, 41, 41, 0 }, { 41, 41, 41, 0 }, { 41, 49, 45, 8 }, { 41, 49, 45, 8 }, { 41, 49, 45, 8 }, { 49, 49, 49, 0 }, + { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 57, 53, 8 }, { 49, 57, 53, 8 }, { 49, 57, 53, 8 }, { 57, 57, 57, 0 }, + { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 66, 61, 9 }, { 57, 66, 61, 9 }, { 57, 66, 61, 9 }, { 57, 66, 61, 9 }, + { 57, 74, 65, 17 }, { 57, 74, 65, 17 }, { 66, 66, 66, 0 }, { 66, 66, 66, 0 }, { 57, 82, 69, 25 }, { 57, 82, 69, 25 }, { 66, 74, 70, 8 }, { 66, 74, 70, 8 }, + { 57, 90, 73, 33 }, { 57, 90, 73, 33 }, { 74, 74, 74, 0 }, { 74, 74, 74, 0 }, { 74, 74, 74, 0 }, { 74, 82, 78, 8 }, { 74, 82, 78, 8 }, { 74, 82, 78, 8 }, + { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 90, 86, 8 }, { 82, 90, 86, 8 }, { 82, 90, 86, 8 }, + { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 99, 94, 9 }, { 90, 99, 94, 9 }, { 90, 99, 94, 9 }, + { 90, 99, 94, 9 }, { 90, 107, 98, 17 }, { 90, 107, 98, 17 }, { 99, 99, 99, 0 }, { 99, 99, 99, 0 }, { 90, 115, 102, 25 }, { 90, 115, 102, 25 }, { 99, 107, 103, 8 }, + { 99, 107, 103, 8 }, { 90, 123, 106, 33 }, { 90, 123, 106, 33 }, { 107, 107, 107, 0 }, { 107, 107, 107, 0 }, { 107, 107, 107, 0 }, { 107, 115, 111, 8 }, { 107, 115, 111, 8 }, + { 107, 115, 111, 8 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 123, 119, 8 }, { 115, 123, 119, 8 }, + { 115, 123, 119, 8 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 132, 127, 9 }, { 123, 132, 127, 9 }, + { 123, 132, 127, 9 }, { 123, 132, 127, 9 }, { 123, 140, 131, 17 }, { 123, 140, 131, 17 }, { 132, 132, 132, 0 }, { 132, 132, 132, 0 }, { 123, 148, 135, 25 }, { 123, 148, 135, 25 }, + { 132, 140, 136, 8 }, { 132, 140, 136, 8 }, { 123, 156, 139, 33 }, { 123, 156, 139, 33 }, { 140, 140, 140, 0 }, { 140, 140, 140, 0 }, { 140, 140, 140, 0 }, { 140, 148, 144, 8 }, + { 140, 148, 144, 8 }, { 140, 148, 144, 8 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 156, 152, 8 }, + { 148, 156, 152, 8 }, { 148, 156, 152, 8 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 165, 160, 9 }, + { 156, 165, 160, 9 }, { 156, 165, 160, 9 }, { 156, 165, 160, 9 }, { 156, 173, 164, 17 }, { 156, 173, 164, 17 }, { 165, 165, 165, 0 }, { 165, 165, 165, 0 }, { 156, 181, 168, 25 }, + { 156, 181, 168, 25 }, { 165, 173, 169, 8 }, { 165, 173, 169, 8 }, { 156, 189, 172, 33 }, { 156, 189, 172, 33 }, { 173, 173, 173, 0 }, { 173, 173, 173, 0 }, { 173, 173, 173, 0 }, + { 173, 181, 177, 8 }, { 173, 181, 177, 8 }, { 173, 181, 177, 8 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, + { 181, 189, 185, 8 }, { 181, 189, 185, 8 }, { 181, 189, 185, 8 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, + { 189, 198, 193, 9 }, { 189, 198, 193, 9 }, { 189, 198, 193, 9 }, { 189, 198, 193, 9 }, { 189, 206, 197, 17 }, { 189, 206, 197, 17 }, { 198, 198, 198, 0 }, { 198, 198, 198, 0 }, + { 189, 214, 201, 25 }, { 189, 214, 201, 25 }, { 198, 206, 202, 8 }, { 198, 206, 202, 8 }, { 189, 222, 205, 33 }, { 189, 222, 205, 33 }, { 206, 206, 206, 0 }, { 206, 206, 206, 0 }, + { 206, 206, 206, 0 }, { 206, 214, 210, 8 }, { 206, 214, 210, 8 }, { 206, 214, 210, 8 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, + { 214, 214, 214, 0 }, { 214, 222, 218, 8 }, { 214, 222, 218, 8 }, { 214, 222, 218, 8 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, + { 222, 222, 222, 0 }, { 222, 231, 226, 9 }, { 222, 231, 226, 9 }, { 222, 231, 226, 9 }, { 222, 231, 226, 9 }, { 222, 239, 230, 17 }, { 222, 239, 230, 17 }, { 231, 231, 231, 0 }, + { 231, 231, 231, 0 }, { 222, 247, 234, 25 }, { 222, 247, 234, 25 }, { 231, 239, 235, 8 }, { 231, 239, 235, 8 }, { 222, 255, 238, 33 }, { 222, 255, 238, 33 }, { 239, 239, 239, 0 }, + { 239, 239, 239, 0 }, { 239, 239, 239, 0 }, { 239, 247, 243, 8 }, { 239, 247, 243, 8 }, { 239, 247, 243, 8 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, + { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, { 247, 255, 251, 8 }, { 247, 255, 251, 8 }, { 247, 255, 251, 8 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, +}; + +TableEntry g_singleColor6_2[256] = +{ + { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 4, 2, 4 }, { 4, 4, 4, 0 }, { 4, 4, 4, 0 }, { 4, 4, 4, 0 }, { 4, 8, 6, 4 }, { 8, 8, 8, 0 }, + { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 12, 10, 4 }, { 12, 12, 12, 0 }, { 12, 12, 12, 0 }, { 12, 12, 12, 0 }, { 12, 16, 14, 4 }, { 16, 16, 16, 0 }, + { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 20, 18, 4 }, { 20, 20, 20, 0 }, { 20, 20, 20, 0 }, { 20, 20, 20, 0 }, { 20, 24, 22, 4 }, { 24, 24, 24, 0 }, + { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 28, 26, 4 }, { 28, 28, 28, 0 }, { 28, 28, 28, 0 }, { 28, 28, 28, 0 }, { 28, 32, 30, 4 }, { 32, 32, 32, 0 }, + { 32, 32, 32, 0 }, { 32, 32, 32, 0 }, { 32, 36, 34, 4 }, { 36, 36, 36, 0 }, { 36, 36, 36, 0 }, { 36, 36, 36, 0 }, { 36, 40, 38, 4 }, { 40, 40, 40, 0 }, + { 40, 40, 40, 0 }, { 40, 40, 40, 0 }, { 40, 44, 42, 4 }, { 44, 44, 44, 0 }, { 44, 44, 44, 0 }, { 44, 44, 44, 0 }, { 44, 48, 46, 4 }, { 48, 48, 48, 0 }, + { 48, 48, 48, 0 }, { 48, 48, 48, 0 }, { 48, 52, 50, 4 }, { 52, 52, 52, 0 }, { 52, 52, 52, 0 }, { 52, 52, 52, 0 }, { 52, 56, 54, 4 }, { 56, 56, 56, 0 }, + { 56, 56, 56, 0 }, { 56, 56, 56, 0 }, { 56, 60, 58, 4 }, { 60, 60, 60, 0 }, { 60, 60, 60, 0 }, { 60, 60, 60, 0 }, { 60, 65, 62, 5 }, { 60, 65, 62, 5 }, + { 60, 69, 64, 9 }, { 65, 65, 65, 0 }, { 60, 73, 66, 13 }, { 65, 69, 67, 4 }, { 60, 77, 68, 17 }, { 69, 69, 69, 0 }, { 60, 81, 70, 21 }, { 69, 73, 71, 4 }, + { 60, 85, 72, 25 }, { 73, 73, 73, 0 }, { 60, 89, 74, 29 }, { 73, 77, 75, 4 }, { 60, 93, 76, 33 }, { 77, 77, 77, 0 }, { 60, 97, 78, 37 }, { 77, 81, 79, 4 }, + { 60, 101, 80, 41 }, { 81, 81, 81, 0 }, { 60, 105, 82, 45 }, { 81, 85, 83, 4 }, { 60, 109, 84, 49 }, { 85, 85, 85, 0 }, { 60, 113, 86, 53 }, { 85, 89, 87, 4 }, + { 60, 117, 88, 57 }, { 89, 89, 89, 0 }, { 60, 121, 90, 61 }, { 89, 93, 91, 4 }, { 60, 125, 92, 65 }, { 93, 93, 93, 0 }, { 93, 93, 93, 0 }, { 93, 97, 95, 4 }, + { 97, 97, 97, 0 }, { 97, 97, 97, 0 }, { 97, 97, 97, 0 }, { 97, 101, 99, 4 }, { 101, 101, 101, 0 }, { 101, 101, 101, 0 }, { 101, 101, 101, 0 }, { 101, 105, 103, 4 }, + { 105, 105, 105, 0 }, { 105, 105, 105, 0 }, { 105, 105, 105, 0 }, { 105, 109, 107, 4 }, { 109, 109, 109, 0 }, { 109, 109, 109, 0 }, { 109, 109, 109, 0 }, { 109, 113, 111, 4 }, + { 113, 113, 113, 0 }, { 113, 113, 113, 0 }, { 113, 113, 113, 0 }, { 113, 117, 115, 4 }, { 117, 117, 117, 0 }, { 117, 117, 117, 0 }, { 117, 117, 117, 0 }, { 117, 121, 119, 4 }, + { 121, 121, 121, 0 }, { 121, 121, 121, 0 }, { 121, 121, 121, 0 }, { 121, 125, 123, 4 }, { 125, 125, 125, 0 }, { 125, 125, 125, 0 }, { 125, 125, 125, 0 }, { 125, 130, 127, 5 }, + { 125, 130, 127, 5 }, { 125, 134, 129, 9 }, { 130, 130, 130, 0 }, { 125, 138, 131, 13 }, { 130, 134, 132, 4 }, { 125, 142, 133, 17 }, { 134, 134, 134, 0 }, { 125, 146, 135, 21 }, + { 134, 138, 136, 4 }, { 125, 150, 137, 25 }, { 138, 138, 138, 0 }, { 125, 154, 139, 29 }, { 138, 142, 140, 4 }, { 125, 158, 141, 33 }, { 142, 142, 142, 0 }, { 125, 162, 143, 37 }, + { 142, 146, 144, 4 }, { 125, 166, 145, 41 }, { 146, 146, 146, 0 }, { 125, 170, 147, 45 }, { 146, 150, 148, 4 }, { 125, 174, 149, 49 }, { 150, 150, 150, 0 }, { 125, 178, 151, 53 }, + { 150, 154, 152, 4 }, { 125, 182, 153, 57 }, { 154, 154, 154, 0 }, { 125, 186, 155, 61 }, { 154, 158, 156, 4 }, { 125, 190, 157, 65 }, { 158, 158, 158, 0 }, { 158, 158, 158, 0 }, + { 158, 162, 160, 4 }, { 162, 162, 162, 0 }, { 162, 162, 162, 0 }, { 162, 162, 162, 0 }, { 162, 166, 164, 4 }, { 166, 166, 166, 0 }, { 166, 166, 166, 0 }, { 166, 166, 166, 0 }, + { 166, 170, 168, 4 }, { 170, 170, 170, 0 }, { 170, 170, 170, 0 }, { 170, 170, 170, 0 }, { 170, 174, 172, 4 }, { 174, 174, 174, 0 }, { 174, 174, 174, 0 }, { 174, 174, 174, 0 }, + { 174, 178, 176, 4 }, { 178, 178, 178, 0 }, { 178, 178, 178, 0 }, { 178, 178, 178, 0 }, { 178, 182, 180, 4 }, { 182, 182, 182, 0 }, { 182, 182, 182, 0 }, { 182, 182, 182, 0 }, + { 182, 186, 184, 4 }, { 186, 186, 186, 0 }, { 186, 186, 186, 0 }, { 186, 186, 186, 0 }, { 186, 190, 188, 4 }, { 190, 190, 190, 0 }, { 190, 190, 190, 0 }, { 190, 190, 190, 0 }, + { 190, 195, 192, 5 }, { 190, 195, 192, 5 }, { 190, 199, 194, 9 }, { 195, 195, 195, 0 }, { 190, 203, 196, 13 }, { 195, 199, 197, 4 }, { 190, 207, 198, 17 }, { 199, 199, 199, 0 }, + { 190, 211, 200, 21 }, { 199, 203, 201, 4 }, { 190, 215, 202, 25 }, { 203, 203, 203, 0 }, { 190, 219, 204, 29 }, { 203, 207, 205, 4 }, { 190, 223, 206, 33 }, { 207, 207, 207, 0 }, + { 190, 227, 208, 37 }, { 207, 211, 209, 4 }, { 190, 231, 210, 41 }, { 211, 211, 211, 0 }, { 190, 235, 212, 45 }, { 211, 215, 213, 4 }, { 190, 239, 214, 49 }, { 215, 215, 215, 0 }, + { 190, 243, 216, 53 }, { 215, 219, 217, 4 }, { 190, 247, 218, 57 }, { 219, 219, 219, 0 }, { 190, 251, 220, 61 }, { 219, 223, 221, 4 }, { 190, 255, 222, 65 }, { 223, 223, 223, 0 }, + { 223, 223, 223, 0 }, { 223, 227, 225, 4 }, { 227, 227, 227, 0 }, { 227, 227, 227, 0 }, { 227, 227, 227, 0 }, { 227, 231, 229, 4 }, { 231, 231, 231, 0 }, { 231, 231, 231, 0 }, + { 231, 231, 231, 0 }, { 231, 235, 233, 4 }, { 235, 235, 235, 0 }, { 235, 235, 235, 0 }, { 235, 235, 235, 0 }, { 235, 239, 237, 4 }, { 239, 239, 239, 0 }, { 239, 239, 239, 0 }, + { 239, 239, 239, 0 }, { 239, 243, 241, 4 }, { 243, 243, 243, 0 }, { 243, 243, 243, 0 }, { 243, 243, 243, 0 }, { 243, 247, 245, 4 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, + { 247, 247, 247, 0 }, { 247, 251, 249, 4 }, { 251, 251, 251, 0 }, { 251, 251, 251, 0 }, { 251, 251, 251, 0 }, { 251, 255, 253, 4 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, +}; + +TableEntry g_singleColor5_3_p[256] = +{ + { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 8, 2, 8 }, { 0, 8, 2, 8 }, { 8, 0, 5, 8 }, { 8, 0, 5, 8 }, { 8, 0, 5, 8 }, { 8, 8, 8, 0 }, + { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 16, 10, 8 }, { 0, 33, 11, 33 }, { 16, 8, 13, 8 }, { 16, 8, 13, 8 }, { 16, 8, 13, 8 }, { 16, 16, 16, 0 }, + { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 24, 18, 8 }, { 8, 41, 19, 33 }, { 24, 16, 21, 8 }, { 24, 16, 21, 8 }, { 33, 0, 22, 33 }, { 24, 24, 24, 0 }, + { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 33, 27, 9 }, { 24, 33, 27, 9 }, { 24, 33, 27, 9 }, { 24, 41, 29, 17 }, { 33, 24, 30, 9 }, { 33, 24, 30, 9 }, + { 24, 49, 32, 25 }, { 33, 33, 33, 0 }, { 33, 33, 33, 0 }, { 33, 41, 35, 8 }, { 33, 41, 35, 8 }, { 41, 33, 38, 8 }, { 41, 33, 38, 8 }, { 41, 33, 38, 8 }, + { 49, 24, 40, 25 }, { 41, 41, 41, 0 }, { 41, 41, 41, 0 }, { 41, 49, 43, 8 }, { 33, 66, 44, 33 }, { 49, 41, 46, 8 }, { 49, 41, 46, 8 }, { 49, 41, 46, 8 }, + { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 57, 51, 8 }, { 41, 74, 52, 33 }, { 57, 49, 54, 8 }, { 57, 49, 54, 8 }, { 66, 33, 55, 33 }, + { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 66, 60, 9 }, { 57, 66, 60, 9 }, { 57, 66, 60, 9 }, { 57, 74, 62, 17 }, { 66, 57, 63, 9 }, + { 66, 57, 63, 9 }, { 57, 82, 65, 25 }, { 66, 66, 66, 0 }, { 66, 66, 66, 0 }, { 66, 74, 68, 8 }, { 66, 74, 68, 8 }, { 74, 66, 71, 8 }, { 74, 66, 71, 8 }, + { 74, 66, 71, 8 }, { 82, 57, 73, 25 }, { 74, 74, 74, 0 }, { 74, 74, 74, 0 }, { 74, 82, 76, 8 }, { 66, 99, 77, 33 }, { 82, 74, 79, 8 }, { 82, 74, 79, 8 }, + { 82, 74, 79, 8 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 90, 84, 8 }, { 74, 107, 85, 33 }, { 90, 82, 87, 8 }, { 90, 82, 87, 8 }, + { 99, 66, 88, 33 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 99, 93, 9 }, { 90, 99, 93, 9 }, { 90, 99, 93, 9 }, { 90, 107, 95, 17 }, + { 99, 90, 96, 9 }, { 99, 90, 96, 9 }, { 90, 115, 98, 25 }, { 99, 99, 99, 0 }, { 99, 99, 99, 0 }, { 99, 107, 101, 8 }, { 99, 107, 101, 8 }, { 107, 99, 104, 8 }, + { 107, 99, 104, 8 }, { 107, 99, 104, 8 }, { 115, 90, 106, 25 }, { 107, 107, 107, 0 }, { 107, 107, 107, 0 }, { 107, 115, 109, 8 }, { 99, 132, 110, 33 }, { 115, 107, 112, 8 }, + { 115, 107, 112, 8 }, { 115, 107, 112, 8 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 123, 117, 8 }, { 107, 140, 118, 33 }, { 123, 115, 120, 8 }, + { 123, 115, 120, 8 }, { 132, 99, 121, 33 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 132, 126, 9 }, { 123, 132, 126, 9 }, { 123, 132, 126, 9 }, + { 123, 140, 128, 17 }, { 132, 123, 129, 9 }, { 132, 123, 129, 9 }, { 123, 148, 131, 25 }, { 132, 132, 132, 0 }, { 132, 132, 132, 0 }, { 132, 140, 134, 8 }, { 132, 140, 134, 8 }, + { 140, 132, 137, 8 }, { 140, 132, 137, 8 }, { 140, 132, 137, 8 }, { 148, 123, 139, 25 }, { 140, 140, 140, 0 }, { 140, 140, 140, 0 }, { 140, 148, 142, 8 }, { 132, 165, 143, 33 }, + { 148, 140, 145, 8 }, { 148, 140, 145, 8 }, { 148, 140, 145, 8 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 156, 150, 8 }, { 140, 173, 151, 33 }, + { 156, 148, 153, 8 }, { 156, 148, 153, 8 }, { 165, 132, 154, 33 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 165, 159, 9 }, { 156, 165, 159, 9 }, + { 156, 165, 159, 9 }, { 156, 173, 161, 17 }, { 165, 156, 162, 9 }, { 165, 156, 162, 9 }, { 156, 181, 164, 25 }, { 165, 165, 165, 0 }, { 165, 165, 165, 0 }, { 165, 173, 167, 8 }, + { 165, 173, 167, 8 }, { 173, 165, 170, 8 }, { 173, 165, 170, 8 }, { 173, 165, 170, 8 }, { 181, 156, 172, 25 }, { 173, 173, 173, 0 }, { 173, 173, 173, 0 }, { 173, 181, 175, 8 }, + { 165, 198, 176, 33 }, { 181, 173, 178, 8 }, { 181, 173, 178, 8 }, { 181, 173, 178, 8 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 189, 183, 8 }, + { 173, 206, 184, 33 }, { 189, 181, 186, 8 }, { 189, 181, 186, 8 }, { 198, 165, 187, 33 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 198, 192, 9 }, + { 189, 198, 192, 9 }, { 189, 198, 192, 9 }, { 189, 206, 194, 17 }, { 198, 189, 195, 9 }, { 198, 189, 195, 9 }, { 189, 214, 197, 25 }, { 198, 198, 198, 0 }, { 198, 198, 198, 0 }, + { 198, 206, 200, 8 }, { 198, 206, 200, 8 }, { 206, 198, 203, 8 }, { 206, 198, 203, 8 }, { 206, 198, 203, 8 }, { 214, 189, 205, 25 }, { 206, 206, 206, 0 }, { 206, 206, 206, 0 }, + { 206, 214, 208, 8 }, { 198, 231, 209, 33 }, { 214, 206, 211, 8 }, { 214, 206, 211, 8 }, { 214, 206, 211, 8 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, + { 214, 222, 216, 8 }, { 206, 239, 217, 33 }, { 222, 214, 219, 8 }, { 222, 214, 219, 8 }, { 231, 198, 220, 33 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, + { 222, 231, 225, 9 }, { 222, 231, 225, 9 }, { 222, 231, 225, 9 }, { 222, 239, 227, 17 }, { 231, 222, 228, 9 }, { 231, 222, 228, 9 }, { 222, 247, 230, 25 }, { 231, 231, 231, 0 }, + { 231, 231, 231, 0 }, { 231, 239, 233, 8 }, { 231, 239, 233, 8 }, { 239, 231, 236, 8 }, { 239, 231, 236, 8 }, { 239, 231, 236, 8 }, { 247, 222, 238, 25 }, { 239, 239, 239, 0 }, + { 239, 239, 239, 0 }, { 239, 247, 241, 8 }, { 239, 247, 241, 8 }, { 247, 239, 244, 8 }, { 247, 239, 244, 8 }, { 247, 239, 244, 8 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, + { 247, 247, 247, 0 }, { 247, 255, 249, 8 }, { 247, 255, 249, 8 }, { 255, 247, 252, 8 }, { 255, 247, 252, 8 }, { 255, 247, 252, 8 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, +}; + +TableEntry g_singleColor6_3_p[256] = +{ + { 0, 0, 0, 0 }, { 0, 4, 1, 4 }, { 4, 0, 2, 4 }, { 4, 4, 4, 0 }, { 4, 4, 4, 0 }, { 4, 8, 5, 4 }, { 8, 4, 6, 4 }, { 8, 8, 8, 0 }, + { 8, 8, 8, 0 }, { 8, 12, 9, 4 }, { 12, 8, 10, 4 }, { 12, 12, 12, 0 }, { 12, 12, 12, 0 }, { 12, 16, 13, 4 }, { 16, 12, 14, 4 }, { 16, 16, 16, 0 }, + { 16, 16, 16, 0 }, { 16, 20, 17, 4 }, { 20, 16, 18, 4 }, { 20, 20, 20, 0 }, { 20, 20, 20, 0 }, { 20, 24, 21, 4 }, { 24, 20, 22, 4 }, { 24, 24, 24, 0 }, + { 24, 24, 24, 0 }, { 24, 28, 25, 4 }, { 28, 24, 26, 4 }, { 28, 28, 28, 0 }, { 28, 28, 28, 0 }, { 28, 32, 29, 4 }, { 32, 28, 30, 4 }, { 32, 32, 32, 0 }, + { 32, 32, 32, 0 }, { 32, 36, 33, 4 }, { 36, 32, 34, 4 }, { 36, 36, 36, 0 }, { 36, 36, 36, 0 }, { 36, 40, 37, 4 }, { 40, 36, 38, 4 }, { 40, 40, 40, 0 }, + { 40, 40, 40, 0 }, { 40, 44, 41, 4 }, { 44, 40, 42, 4 }, { 32, 65, 43, 33 }, { 44, 44, 44, 0 }, { 44, 48, 45, 4 }, { 48, 44, 46, 4 }, { 36, 69, 47, 33 }, + { 48, 48, 48, 0 }, { 48, 52, 49, 4 }, { 52, 48, 50, 4 }, { 44, 65, 51, 21 }, { 52, 52, 52, 0 }, { 52, 56, 53, 4 }, { 56, 52, 54, 4 }, { 48, 69, 55, 21 }, + { 56, 56, 56, 0 }, { 56, 60, 57, 4 }, { 60, 56, 58, 4 }, { 56, 65, 59, 9 }, { 60, 60, 60, 0 }, { 60, 65, 61, 5 }, { 65, 56, 62, 9 }, { 65, 60, 63, 5 }, + { 60, 73, 64, 13 }, { 65, 65, 65, 0 }, { 65, 69, 66, 4 }, { 69, 65, 67, 4 }, { 73, 60, 68, 13 }, { 69, 69, 69, 0 }, { 69, 73, 70, 4 }, { 73, 69, 71, 4 }, + { 81, 56, 72, 25 }, { 73, 73, 73, 0 }, { 73, 77, 74, 4 }, { 77, 73, 75, 4 }, { 85, 60, 76, 25 }, { 77, 77, 77, 0 }, { 77, 81, 78, 4 }, { 81, 77, 79, 4 }, + { 81, 81, 81, 0 }, { 81, 81, 81, 0 }, { 81, 85, 82, 4 }, { 85, 81, 83, 4 }, { 85, 85, 85, 0 }, { 85, 85, 85, 0 }, { 85, 89, 86, 4 }, { 89, 85, 87, 4 }, + { 89, 89, 89, 0 }, { 89, 89, 89, 0 }, { 89, 93, 90, 4 }, { 93, 89, 91, 4 }, { 93, 93, 93, 0 }, { 93, 93, 93, 0 }, { 93, 97, 94, 4 }, { 97, 93, 95, 4 }, + { 97, 97, 97, 0 }, { 97, 97, 97, 0 }, { 97, 101, 98, 4 }, { 101, 97, 99, 4 }, { 101, 101, 101, 0 }, { 101, 101, 101, 0 }, { 101, 105, 102, 4 }, { 105, 101, 103, 4 }, + { 105, 105, 105, 0 }, { 105, 105, 105, 0 }, { 105, 109, 106, 4 }, { 109, 105, 107, 4 }, { 97, 130, 108, 33 }, { 109, 109, 109, 0 }, { 109, 113, 110, 4 }, { 113, 109, 111, 4 }, + { 101, 134, 112, 33 }, { 113, 113, 113, 0 }, { 113, 117, 114, 4 }, { 117, 113, 115, 4 }, { 109, 130, 116, 21 }, { 117, 117, 117, 0 }, { 117, 121, 118, 4 }, { 121, 117, 119, 4 }, + { 113, 134, 120, 21 }, { 121, 121, 121, 0 }, { 121, 125, 122, 4 }, { 125, 121, 123, 4 }, { 121, 130, 124, 9 }, { 125, 125, 125, 0 }, { 125, 130, 126, 5 }, { 130, 121, 127, 9 }, + { 130, 125, 128, 5 }, { 125, 138, 129, 13 }, { 130, 130, 130, 0 }, { 130, 134, 131, 4 }, { 134, 130, 132, 4 }, { 138, 125, 133, 13 }, { 134, 134, 134, 0 }, { 134, 138, 135, 4 }, + { 138, 134, 136, 4 }, { 146, 121, 137, 25 }, { 138, 138, 138, 0 }, { 138, 142, 139, 4 }, { 142, 138, 140, 4 }, { 150, 125, 141, 25 }, { 142, 142, 142, 0 }, { 142, 146, 143, 4 }, + { 146, 142, 144, 4 }, { 146, 146, 146, 0 }, { 146, 146, 146, 0 }, { 146, 150, 147, 4 }, { 150, 146, 148, 4 }, { 150, 150, 150, 0 }, { 150, 150, 150, 0 }, { 150, 154, 151, 4 }, + { 154, 150, 152, 4 }, { 154, 154, 154, 0 }, { 154, 154, 154, 0 }, { 154, 158, 155, 4 }, { 158, 154, 156, 4 }, { 158, 158, 158, 0 }, { 158, 158, 158, 0 }, { 158, 162, 159, 4 }, + { 162, 158, 160, 4 }, { 162, 162, 162, 0 }, { 162, 162, 162, 0 }, { 162, 166, 163, 4 }, { 166, 162, 164, 4 }, { 166, 166, 166, 0 }, { 166, 166, 166, 0 }, { 166, 170, 167, 4 }, + { 170, 166, 168, 4 }, { 170, 170, 170, 0 }, { 170, 170, 170, 0 }, { 170, 174, 171, 4 }, { 174, 170, 172, 4 }, { 162, 195, 173, 33 }, { 174, 174, 174, 0 }, { 174, 178, 175, 4 }, + { 178, 174, 176, 4 }, { 166, 199, 177, 33 }, { 178, 178, 178, 0 }, { 178, 182, 179, 4 }, { 182, 178, 180, 4 }, { 174, 195, 181, 21 }, { 182, 182, 182, 0 }, { 182, 186, 183, 4 }, + { 186, 182, 184, 4 }, { 178, 199, 185, 21 }, { 186, 186, 186, 0 }, { 186, 190, 187, 4 }, { 190, 186, 188, 4 }, { 186, 195, 189, 9 }, { 190, 190, 190, 0 }, { 190, 195, 191, 5 }, + { 195, 186, 192, 9 }, { 195, 190, 193, 5 }, { 190, 203, 194, 13 }, { 195, 195, 195, 0 }, { 195, 199, 196, 4 }, { 199, 195, 197, 4 }, { 203, 190, 198, 13 }, { 199, 199, 199, 0 }, + { 199, 203, 200, 4 }, { 203, 199, 201, 4 }, { 211, 186, 202, 25 }, { 203, 203, 203, 0 }, { 203, 207, 204, 4 }, { 207, 203, 205, 4 }, { 215, 190, 206, 25 }, { 207, 207, 207, 0 }, + { 207, 211, 208, 4 }, { 211, 207, 209, 4 }, { 211, 211, 211, 0 }, { 211, 211, 211, 0 }, { 211, 215, 212, 4 }, { 215, 211, 213, 4 }, { 215, 215, 215, 0 }, { 215, 215, 215, 0 }, + { 215, 219, 216, 4 }, { 219, 215, 217, 4 }, { 219, 219, 219, 0 }, { 219, 219, 219, 0 }, { 219, 223, 220, 4 }, { 223, 219, 221, 4 }, { 223, 223, 223, 0 }, { 223, 223, 223, 0 }, + { 223, 227, 224, 4 }, { 227, 223, 225, 4 }, { 227, 227, 227, 0 }, { 227, 227, 227, 0 }, { 227, 231, 228, 4 }, { 231, 227, 229, 4 }, { 231, 231, 231, 0 }, { 231, 231, 231, 0 }, + { 231, 235, 232, 4 }, { 235, 231, 233, 4 }, { 235, 235, 235, 0 }, { 235, 235, 235, 0 }, { 235, 239, 236, 4 }, { 239, 235, 237, 4 }, { 239, 239, 239, 0 }, { 239, 239, 239, 0 }, + { 239, 243, 240, 4 }, { 243, 239, 241, 4 }, { 243, 243, 243, 0 }, { 243, 243, 243, 0 }, { 243, 247, 244, 4 }, { 247, 243, 245, 4 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, + { 247, 251, 248, 4 }, { 251, 247, 249, 4 }, { 251, 251, 251, 0 }, { 251, 251, 251, 0 }, { 251, 255, 252, 4 }, { 255, 251, 253, 4 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, +}; + +TableEntry g_singleColor5_2_p[256] = +{ + { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 8, 4, 8 }, { 0, 8, 4, 8 }, { 0, 8, 4, 8 }, { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, + { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 16, 12, 8 }, { 8, 16, 12, 8 }, { 8, 16, 12, 8 }, { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, + { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 24, 20, 8 }, { 16, 24, 20, 8 }, { 16, 24, 20, 8 }, { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, + { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 33, 28, 9 }, { 24, 33, 28, 9 }, { 24, 33, 28, 9 }, { 24, 33, 28, 9 }, { 24, 41, 32, 17 }, + { 24, 41, 32, 17 }, { 33, 33, 33, 0 }, { 33, 33, 33, 0 }, { 24, 49, 36, 25 }, { 24, 49, 36, 25 }, { 33, 41, 37, 8 }, { 33, 41, 37, 8 }, { 24, 57, 40, 33 }, + { 24, 57, 40, 33 }, { 41, 41, 41, 0 }, { 41, 41, 41, 0 }, { 41, 41, 41, 0 }, { 41, 49, 45, 8 }, { 41, 49, 45, 8 }, { 41, 49, 45, 8 }, { 49, 49, 49, 0 }, + { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 49, 49, 0 }, { 49, 57, 53, 8 }, { 49, 57, 53, 8 }, { 49, 57, 53, 8 }, { 57, 57, 57, 0 }, + { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 57, 57, 0 }, { 57, 66, 61, 9 }, { 57, 66, 61, 9 }, { 57, 66, 61, 9 }, { 57, 66, 61, 9 }, + { 57, 74, 65, 17 }, { 57, 74, 65, 17 }, { 66, 66, 66, 0 }, { 66, 66, 66, 0 }, { 57, 82, 69, 25 }, { 57, 82, 69, 25 }, { 66, 74, 70, 8 }, { 66, 74, 70, 8 }, + { 57, 90, 73, 33 }, { 57, 90, 73, 33 }, { 74, 74, 74, 0 }, { 74, 74, 74, 0 }, { 74, 74, 74, 0 }, { 74, 82, 78, 8 }, { 74, 82, 78, 8 }, { 74, 82, 78, 8 }, + { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 82, 82, 0 }, { 82, 90, 86, 8 }, { 82, 90, 86, 8 }, { 82, 90, 86, 8 }, + { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 90, 90, 0 }, { 90, 99, 94, 9 }, { 90, 99, 94, 9 }, { 90, 99, 94, 9 }, + { 90, 99, 94, 9 }, { 90, 107, 98, 17 }, { 90, 107, 98, 17 }, { 99, 99, 99, 0 }, { 99, 99, 99, 0 }, { 90, 115, 102, 25 }, { 90, 115, 102, 25 }, { 99, 107, 103, 8 }, + { 99, 107, 103, 8 }, { 90, 123, 106, 33 }, { 90, 123, 106, 33 }, { 107, 107, 107, 0 }, { 107, 107, 107, 0 }, { 107, 107, 107, 0 }, { 107, 115, 111, 8 }, { 107, 115, 111, 8 }, + { 107, 115, 111, 8 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 115, 115, 0 }, { 115, 123, 119, 8 }, { 115, 123, 119, 8 }, + { 115, 123, 119, 8 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 123, 123, 0 }, { 123, 132, 127, 9 }, { 123, 132, 127, 9 }, + { 123, 132, 127, 9 }, { 123, 132, 127, 9 }, { 123, 140, 131, 17 }, { 123, 140, 131, 17 }, { 132, 132, 132, 0 }, { 132, 132, 132, 0 }, { 123, 148, 135, 25 }, { 123, 148, 135, 25 }, + { 132, 140, 136, 8 }, { 132, 140, 136, 8 }, { 123, 156, 139, 33 }, { 123, 156, 139, 33 }, { 140, 140, 140, 0 }, { 140, 140, 140, 0 }, { 140, 140, 140, 0 }, { 140, 148, 144, 8 }, + { 140, 148, 144, 8 }, { 140, 148, 144, 8 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 148, 148, 0 }, { 148, 156, 152, 8 }, + { 148, 156, 152, 8 }, { 148, 156, 152, 8 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 156, 156, 0 }, { 156, 165, 160, 9 }, + { 156, 165, 160, 9 }, { 156, 165, 160, 9 }, { 156, 165, 160, 9 }, { 156, 173, 164, 17 }, { 156, 173, 164, 17 }, { 165, 165, 165, 0 }, { 165, 165, 165, 0 }, { 156, 181, 168, 25 }, + { 156, 181, 168, 25 }, { 165, 173, 169, 8 }, { 165, 173, 169, 8 }, { 156, 189, 172, 33 }, { 156, 189, 172, 33 }, { 173, 173, 173, 0 }, { 173, 173, 173, 0 }, { 173, 173, 173, 0 }, + { 173, 181, 177, 8 }, { 173, 181, 177, 8 }, { 173, 181, 177, 8 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, { 181, 181, 181, 0 }, + { 181, 189, 185, 8 }, { 181, 189, 185, 8 }, { 181, 189, 185, 8 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, { 189, 189, 189, 0 }, + { 189, 198, 193, 9 }, { 189, 198, 193, 9 }, { 189, 198, 193, 9 }, { 189, 198, 193, 9 }, { 189, 206, 197, 17 }, { 189, 206, 197, 17 }, { 198, 198, 198, 0 }, { 198, 198, 198, 0 }, + { 189, 214, 201, 25 }, { 189, 214, 201, 25 }, { 198, 206, 202, 8 }, { 198, 206, 202, 8 }, { 189, 222, 205, 33 }, { 189, 222, 205, 33 }, { 206, 206, 206, 0 }, { 206, 206, 206, 0 }, + { 206, 206, 206, 0 }, { 206, 214, 210, 8 }, { 206, 214, 210, 8 }, { 206, 214, 210, 8 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, { 214, 214, 214, 0 }, + { 214, 214, 214, 0 }, { 214, 222, 218, 8 }, { 214, 222, 218, 8 }, { 214, 222, 218, 8 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, { 222, 222, 222, 0 }, + { 222, 222, 222, 0 }, { 222, 231, 226, 9 }, { 222, 231, 226, 9 }, { 222, 231, 226, 9 }, { 222, 231, 226, 9 }, { 222, 239, 230, 17 }, { 222, 239, 230, 17 }, { 231, 231, 231, 0 }, + { 231, 231, 231, 0 }, { 222, 247, 234, 25 }, { 222, 247, 234, 25 }, { 231, 239, 235, 8 }, { 231, 239, 235, 8 }, { 222, 255, 238, 33 }, { 222, 255, 238, 33 }, { 239, 239, 239, 0 }, + { 239, 239, 239, 0 }, { 239, 239, 239, 0 }, { 239, 247, 243, 8 }, { 239, 247, 243, 8 }, { 239, 247, 243, 8 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, + { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, { 247, 255, 251, 8 }, { 247, 255, 251, 8 }, { 247, 255, 251, 8 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, +}; + +TableEntry g_singleColor6_2_p[256] = +{ + { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, { 0, 4, 2, 4 }, { 4, 4, 4, 0 }, { 4, 4, 4, 0 }, { 4, 4, 4, 0 }, { 4, 8, 6, 4 }, { 8, 8, 8, 0 }, + { 8, 8, 8, 0 }, { 8, 8, 8, 0 }, { 8, 12, 10, 4 }, { 12, 12, 12, 0 }, { 12, 12, 12, 0 }, { 12, 12, 12, 0 }, { 12, 16, 14, 4 }, { 16, 16, 16, 0 }, + { 16, 16, 16, 0 }, { 16, 16, 16, 0 }, { 16, 20, 18, 4 }, { 20, 20, 20, 0 }, { 20, 20, 20, 0 }, { 20, 20, 20, 0 }, { 20, 24, 22, 4 }, { 24, 24, 24, 0 }, + { 24, 24, 24, 0 }, { 24, 24, 24, 0 }, { 24, 28, 26, 4 }, { 28, 28, 28, 0 }, { 28, 28, 28, 0 }, { 28, 28, 28, 0 }, { 28, 32, 30, 4 }, { 32, 32, 32, 0 }, + { 32, 32, 32, 0 }, { 32, 32, 32, 0 }, { 32, 36, 34, 4 }, { 36, 36, 36, 0 }, { 36, 36, 36, 0 }, { 36, 36, 36, 0 }, { 36, 40, 38, 4 }, { 40, 40, 40, 0 }, + { 40, 40, 40, 0 }, { 40, 40, 40, 0 }, { 40, 44, 42, 4 }, { 44, 44, 44, 0 }, { 44, 44, 44, 0 }, { 44, 44, 44, 0 }, { 44, 48, 46, 4 }, { 48, 48, 48, 0 }, + { 48, 48, 48, 0 }, { 48, 48, 48, 0 }, { 48, 52, 50, 4 }, { 52, 52, 52, 0 }, { 52, 52, 52, 0 }, { 52, 52, 52, 0 }, { 52, 56, 54, 4 }, { 56, 56, 56, 0 }, + { 56, 56, 56, 0 }, { 56, 56, 56, 0 }, { 56, 60, 58, 4 }, { 60, 60, 60, 0 }, { 60, 60, 60, 0 }, { 60, 60, 60, 0 }, { 60, 65, 62, 5 }, { 60, 65, 62, 5 }, + { 60, 69, 64, 9 }, { 65, 65, 65, 0 }, { 60, 73, 66, 13 }, { 65, 69, 67, 4 }, { 60, 77, 68, 17 }, { 69, 69, 69, 0 }, { 60, 81, 70, 21 }, { 69, 73, 71, 4 }, + { 60, 85, 72, 25 }, { 73, 73, 73, 0 }, { 60, 89, 74, 29 }, { 73, 77, 75, 4 }, { 60, 93, 76, 33 }, { 77, 77, 77, 0 }, { 77, 77, 77, 0 }, { 77, 81, 79, 4 }, + { 81, 81, 81, 0 }, { 81, 81, 81, 0 }, { 81, 81, 81, 0 }, { 81, 85, 83, 4 }, { 85, 85, 85, 0 }, { 85, 85, 85, 0 }, { 85, 85, 85, 0 }, { 85, 89, 87, 4 }, + { 89, 89, 89, 0 }, { 89, 89, 89, 0 }, { 89, 89, 89, 0 }, { 89, 93, 91, 4 }, { 93, 93, 93, 0 }, { 93, 93, 93, 0 }, { 93, 93, 93, 0 }, { 93, 97, 95, 4 }, + { 97, 97, 97, 0 }, { 97, 97, 97, 0 }, { 97, 97, 97, 0 }, { 97, 101, 99, 4 }, { 101, 101, 101, 0 }, { 101, 101, 101, 0 }, { 101, 101, 101, 0 }, { 101, 105, 103, 4 }, + { 105, 105, 105, 0 }, { 105, 105, 105, 0 }, { 105, 105, 105, 0 }, { 105, 109, 107, 4 }, { 109, 109, 109, 0 }, { 109, 109, 109, 0 }, { 109, 109, 109, 0 }, { 109, 113, 111, 4 }, + { 113, 113, 113, 0 }, { 113, 113, 113, 0 }, { 113, 113, 113, 0 }, { 113, 117, 115, 4 }, { 117, 117, 117, 0 }, { 117, 117, 117, 0 }, { 117, 117, 117, 0 }, { 117, 121, 119, 4 }, + { 121, 121, 121, 0 }, { 121, 121, 121, 0 }, { 121, 121, 121, 0 }, { 121, 125, 123, 4 }, { 125, 125, 125, 0 }, { 125, 125, 125, 0 }, { 125, 125, 125, 0 }, { 125, 130, 127, 5 }, + { 125, 130, 127, 5 }, { 125, 134, 129, 9 }, { 130, 130, 130, 0 }, { 125, 138, 131, 13 }, { 130, 134, 132, 4 }, { 125, 142, 133, 17 }, { 134, 134, 134, 0 }, { 125, 146, 135, 21 }, + { 134, 138, 136, 4 }, { 125, 150, 137, 25 }, { 138, 138, 138, 0 }, { 125, 154, 139, 29 }, { 138, 142, 140, 4 }, { 125, 158, 141, 33 }, { 142, 142, 142, 0 }, { 142, 142, 142, 0 }, + { 142, 146, 144, 4 }, { 146, 146, 146, 0 }, { 146, 146, 146, 0 }, { 146, 146, 146, 0 }, { 146, 150, 148, 4 }, { 150, 150, 150, 0 }, { 150, 150, 150, 0 }, { 150, 150, 150, 0 }, + { 150, 154, 152, 4 }, { 154, 154, 154, 0 }, { 154, 154, 154, 0 }, { 154, 154, 154, 0 }, { 154, 158, 156, 4 }, { 158, 158, 158, 0 }, { 158, 158, 158, 0 }, { 158, 158, 158, 0 }, + { 158, 162, 160, 4 }, { 162, 162, 162, 0 }, { 162, 162, 162, 0 }, { 162, 162, 162, 0 }, { 162, 166, 164, 4 }, { 166, 166, 166, 0 }, { 166, 166, 166, 0 }, { 166, 166, 166, 0 }, + { 166, 170, 168, 4 }, { 170, 170, 170, 0 }, { 170, 170, 170, 0 }, { 170, 170, 170, 0 }, { 170, 174, 172, 4 }, { 174, 174, 174, 0 }, { 174, 174, 174, 0 }, { 174, 174, 174, 0 }, + { 174, 178, 176, 4 }, { 178, 178, 178, 0 }, { 178, 178, 178, 0 }, { 178, 178, 178, 0 }, { 178, 182, 180, 4 }, { 182, 182, 182, 0 }, { 182, 182, 182, 0 }, { 182, 182, 182, 0 }, + { 182, 186, 184, 4 }, { 186, 186, 186, 0 }, { 186, 186, 186, 0 }, { 186, 186, 186, 0 }, { 186, 190, 188, 4 }, { 190, 190, 190, 0 }, { 190, 190, 190, 0 }, { 190, 190, 190, 0 }, + { 190, 195, 192, 5 }, { 190, 195, 192, 5 }, { 190, 199, 194, 9 }, { 195, 195, 195, 0 }, { 190, 203, 196, 13 }, { 195, 199, 197, 4 }, { 190, 207, 198, 17 }, { 199, 199, 199, 0 }, + { 190, 211, 200, 21 }, { 199, 203, 201, 4 }, { 190, 215, 202, 25 }, { 203, 203, 203, 0 }, { 190, 219, 204, 29 }, { 203, 207, 205, 4 }, { 190, 223, 206, 33 }, { 207, 207, 207, 0 }, + { 207, 207, 207, 0 }, { 207, 211, 209, 4 }, { 211, 211, 211, 0 }, { 211, 211, 211, 0 }, { 211, 211, 211, 0 }, { 211, 215, 213, 4 }, { 215, 215, 215, 0 }, { 215, 215, 215, 0 }, + { 215, 215, 215, 0 }, { 215, 219, 217, 4 }, { 219, 219, 219, 0 }, { 219, 219, 219, 0 }, { 219, 219, 219, 0 }, { 219, 223, 221, 4 }, { 223, 223, 223, 0 }, { 223, 223, 223, 0 }, + { 223, 223, 223, 0 }, { 223, 227, 225, 4 }, { 227, 227, 227, 0 }, { 227, 227, 227, 0 }, { 227, 227, 227, 0 }, { 227, 231, 229, 4 }, { 231, 231, 231, 0 }, { 231, 231, 231, 0 }, + { 231, 231, 231, 0 }, { 231, 235, 233, 4 }, { 235, 235, 235, 0 }, { 235, 235, 235, 0 }, { 235, 235, 235, 0 }, { 235, 239, 237, 4 }, { 239, 239, 239, 0 }, { 239, 239, 239, 0 }, + { 239, 239, 239, 0 }, { 239, 243, 241, 4 }, { 243, 243, 243, 0 }, { 243, 243, 243, 0 }, { 243, 243, 243, 0 }, { 243, 247, 245, 4 }, { 247, 247, 247, 0 }, { 247, 247, 247, 0 }, + { 247, 247, 247, 0 }, { 247, 251, 249, 4 }, { 251, 251, 251, 0 }, { 251, 251, 251, 0 }, { 251, 251, 251, 0 }, { 251, 255, 253, 4 }, { 255, 255, 255, 0 }, { 255, 255, 255, 0 }, +}; + +}}} diff --git a/thirdparty/cvtt/ConvectionKernels_SingleFile.cpp b/thirdparty/cvtt/ConvectionKernels_SingleFile.cpp new file mode 100644 index 0000000000..ad59988655 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_SingleFile.cpp @@ -0,0 +1,48 @@ +/* +Convection Texture Tools +Copyright (c) 2018-2019 Eric Lasota + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject +to the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +------------------------------------------------------------------------------------- + +Portions based on DirectX Texture Library (DirectXTex) + +Copyright (c) Microsoft Corporation. All rights reserved. +Licensed under the MIT License. + +http://go.microsoft.com/fwlink/?LinkId=248926 +*/ +#include "ConvectionKernels_Config.h" + +#if defined(CVTT_SINGLE_FILE) +#define CVTT_SINGLE_FILE_IMPL + +#include "ConvectionKernels_API.cpp" +#include "ConvectionKernels_BC67.cpp" +#include "ConvectionKernels_BC6H_IO.cpp" +#include "ConvectionKernels_BC7_PrioData.cpp" +#include "ConvectionKernels_BCCommon.cpp" +#include "ConvectionKernels_ETC.cpp" +#include "ConvectionKernels_IndexSelector.cpp" +#include "ConvectionKernels_S3TC.cpp" +#include "ConvectionKernels_Util.cpp" + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_UnfinishedEndpoints.h b/thirdparty/cvtt/ConvectionKernels_UnfinishedEndpoints.h new file mode 100644 index 0000000000..371cbe54bf --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_UnfinishedEndpoints.h @@ -0,0 +1,121 @@ +#pragma once + +#include "ConvectionKernels_Util.h" + +namespace cvtt +{ + namespace Internal + { + template<int TVectorSize> + class UnfinishedEndpoints + { + public: + typedef ParallelMath::Float MFloat; + typedef ParallelMath::UInt16 MUInt16; + typedef ParallelMath::UInt15 MUInt15; + typedef ParallelMath::SInt16 MSInt16; + typedef ParallelMath::SInt32 MSInt32; + + UnfinishedEndpoints() + { + } + + UnfinishedEndpoints(const MFloat *base, const MFloat *offset) + { + for (int ch = 0; ch < TVectorSize; ch++) + m_base[ch] = base[ch]; + for (int ch = 0; ch < TVectorSize; ch++) + m_offset[ch] = offset[ch]; + } + + UnfinishedEndpoints(const UnfinishedEndpoints& other) + { + for (int ch = 0; ch < TVectorSize; ch++) + m_base[ch] = other.m_base[ch]; + for (int ch = 0; ch < TVectorSize; ch++) + m_offset[ch] = other.m_offset[ch]; + } + + void FinishHDRUnsigned(int tweak, int range, MSInt16 *outEP0, MSInt16 *outEP1, ParallelMath::RoundTowardNearestForScope *roundingMode) + { + float tweakFactors[2]; + Util::ComputeTweakFactors(tweak, range, tweakFactors); + + for (int ch = 0; ch < TVectorSize; ch++) + { + MUInt15 channelEPs[2]; + for (int epi = 0; epi < 2; epi++) + { + MFloat f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[epi], 0.0f, 31743.0f); + channelEPs[epi] = ParallelMath::RoundAndConvertToU15(f, roundingMode); + } + + outEP0[ch] = ParallelMath::LosslessCast<MSInt16>::Cast(channelEPs[0]); + outEP1[ch] = ParallelMath::LosslessCast<MSInt16>::Cast(channelEPs[1]); + } + } + + void FinishHDRSigned(int tweak, int range, MSInt16* outEP0, MSInt16* outEP1, ParallelMath::RoundTowardNearestForScope* roundingMode) + { + float tweakFactors[2]; + Util::ComputeTweakFactors(tweak, range, tweakFactors); + + for (int ch = 0; ch < TVectorSize; ch++) + { + MSInt16 channelEPs[2]; + for (int epi = 0; epi < 2; epi++) + { + MFloat f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[epi], -31743.0f, 31743.0f); + channelEPs[epi] = ParallelMath::RoundAndConvertToS16(f, roundingMode); + } + + outEP0[ch] = channelEPs[0]; + outEP1[ch] = channelEPs[1]; + } + } + + void FinishLDR(int tweak, int range, MUInt15* outEP0, MUInt15* outEP1) + { + ParallelMath::RoundTowardNearestForScope roundingMode; + + float tweakFactors[2]; + Util::ComputeTweakFactors(tweak, range, tweakFactors); + + for (int ch = 0; ch < TVectorSize; ch++) + { + MFloat ep0f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[0], 0.0f, 255.0f); + MFloat ep1f = ParallelMath::Clamp(m_base[ch] + m_offset[ch] * tweakFactors[1], 0.0f, 255.0f); + outEP0[ch] = ParallelMath::RoundAndConvertToU15(ep0f, &roundingMode); + outEP1[ch] = ParallelMath::RoundAndConvertToU15(ep1f, &roundingMode); + } + } + + template<int TNewVectorSize> + UnfinishedEndpoints<TNewVectorSize> ExpandTo(float filler) + { + MFloat newBase[TNewVectorSize]; + MFloat newOffset[TNewVectorSize]; + + for (int ch = 0; ch < TNewVectorSize && ch < TVectorSize; ch++) + { + newBase[ch] = m_base[ch]; + newOffset[ch] = m_offset[ch]; + } + + MFloat fillerV = ParallelMath::MakeFloat(filler); + + for (int ch = TVectorSize; ch < TNewVectorSize; ch++) + { + newBase[ch] = fillerV; + newOffset[ch] = ParallelMath::MakeFloatZero(); + } + + return UnfinishedEndpoints<TNewVectorSize>(newBase, newOffset); + } + + private: + MFloat m_base[TVectorSize]; + MFloat m_offset[TVectorSize]; + }; + } +} diff --git a/thirdparty/cvtt/ConvectionKernels_Util.cpp b/thirdparty/cvtt/ConvectionKernels_Util.cpp new file mode 100644 index 0000000000..d9c25c7845 --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_Util.cpp @@ -0,0 +1,88 @@ +/* +Convection Texture Tools +Copyright (c) 2018-2019 Eric Lasota + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject +to the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +------------------------------------------------------------------------------------- + +Portions based on DirectX Texture Library (DirectXTex) + +Copyright (c) Microsoft Corporation. All rights reserved. +Licensed under the MIT License. + +http://go.microsoft.com/fwlink/?LinkId=248926 +*/ +#include "ConvectionKernels_Config.h" + +#if !defined(CVTT_SINGLE_FILE) || defined(CVTT_SINGLE_FILE_IMPL) + +#include "ConvectionKernels.h" +#include "ConvectionKernels_ParallelMath.h" + +#include <algorithm> + +namespace cvtt +{ + namespace Util + { + // Signed input blocks are converted into unsigned space, with the maximum value being 254 + void BiasSignedInput(PixelBlockU8 inputNormalized[ParallelMath::ParallelSize], const PixelBlockS8 inputSigned[ParallelMath::ParallelSize]) + { + for (size_t block = 0; block < ParallelMath::ParallelSize; block++) + { + const PixelBlockS8& inputSignedBlock = inputSigned[block]; + PixelBlockU8& inputNormalizedBlock = inputNormalized[block]; + + for (size_t px = 0; px < 16; px++) + { + for (size_t ch = 0; ch < 4; ch++) + inputNormalizedBlock.m_pixels[px][ch] = static_cast<uint8_t>(std::max<int>(inputSignedBlock.m_pixels[px][ch], -127) + 127); + } + } + } + + void FillWeights(const Options &options, float channelWeights[4]) + { + if (options.flags & Flags::Uniform) + channelWeights[0] = channelWeights[1] = channelWeights[2] = channelWeights[3] = 1.0f; + else + { + channelWeights[0] = options.redWeight; + channelWeights[1] = options.greenWeight; + channelWeights[2] = options.blueWeight; + channelWeights[3] = options.alphaWeight; + } + } + + void ComputeTweakFactors(int tweak, int range, float *outFactors) + { + int totalUnits = range - 1; + int minOutsideUnits = ((tweak >> 1) & 1); + int maxOutsideUnits = (tweak & 1); + int insideUnits = totalUnits - minOutsideUnits - maxOutsideUnits; + + outFactors[0] = -static_cast<float>(minOutsideUnits) / static_cast<float>(insideUnits); + outFactors[1] = static_cast<float>(maxOutsideUnits) / static_cast<float>(insideUnits) + 1.0f; + } + } +} + +#endif diff --git a/thirdparty/cvtt/ConvectionKernels_Util.h b/thirdparty/cvtt/ConvectionKernels_Util.h new file mode 100644 index 0000000000..c07b9bf2aa --- /dev/null +++ b/thirdparty/cvtt/ConvectionKernels_Util.h @@ -0,0 +1,21 @@ +#pragma once + +#include "ConvectionKernels_ParallelMath.h" + +namespace cvtt +{ + struct PixelBlockU8; + struct PixelBlockS8; + struct Options; +} + +namespace cvtt +{ + namespace Util + { + // Signed input blocks are converted into unsigned space, with the maximum value being 254 + void BiasSignedInput(PixelBlockU8 inputNormalized[ParallelMath::ParallelSize], const PixelBlockS8 inputSigned[ParallelMath::ParallelSize]); + void FillWeights(const Options &options, float channelWeights[4]); + void ComputeTweakFactors(int tweak, int range, float *outFactors); + } +} diff --git a/thirdparty/cvtt/etc_notes.txt b/thirdparty/cvtt/etc_notes.txt new file mode 100644 index 0000000000..bb041a8435 --- /dev/null +++ b/thirdparty/cvtt/etc_notes.txt @@ -0,0 +1,27 @@ +The ETC1 compressor uses modified cluster fit: + +Assume that there exists an ideal base color and set of selectors for a given table. +For a given table and set of selectors, the ideal base color can be determined by subtracting the offsets from each pixel and averaging them. +Doing that is equivalent to subtracting the average offset from the average color. +Because positive and negative selectors of the same magnitude cancel out, the search space of possible average offsets is reduced: 57 unique offsets for the first table and 81 for the others. +Most of the offsets result in the same color as another average offset due to quantization of the base color, so those can be de-duplicated. +So: +- Start with a high-precision average color. +- Apply precomputed luma offsets to it. +- Quantize and de-duplicate the base colors. +- Find the ideal selectors for each base color. + +Differential mode is solved by just finding the best legal combination from those attempts. + +There are several scenarios where this is not ideal: +- Clamping behavior can sometimes be leveraged for a more accurate block. +- Differentials can sometimes be moved slightly closer to become legal. +- This only works when MSE is the error metric (i.e. not normal maps) +- This only works when pixel weights are of equal importance (i.e. not using weight by alpha or edge deblocking) + +T and H mode just work by generating clustering assignments by computing a chrominance line and splitting the block in half by the chrominance midpoint and using those to determine the averages. + +Planar mode is just solved algebraically. + +If you want to emulate etc2comp's default settings, add the flag ETC_UseFakeBT709 to use its modified Rec. 709 error coefficients. +Doing that will significantly slow down encoding because it requires much more complicated quantization math.
\ No newline at end of file |