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Diffstat (limited to 'thirdparty/cvtt/ConvectionKernels_API.cpp')
| -rw-r--r-- | thirdparty/cvtt/ConvectionKernels_API.cpp | 346 |
1 files changed, 346 insertions, 0 deletions
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 |