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Diffstat (limited to 'drivers/squish/simd_sse.h')
| -rw-r--r-- | drivers/squish/simd_sse.h | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/drivers/squish/simd_sse.h b/drivers/squish/simd_sse.h deleted file mode 100644 index e584f2a0e5..0000000000 --- a/drivers/squish/simd_sse.h +++ /dev/null @@ -1,180 +0,0 @@ -/* ----------------------------------------------------------------------------- - - Copyright (c) 2006 Simon Brown si@sjbrown.co.uk - - 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. - - -------------------------------------------------------------------------- */ - -#ifndef SQUISH_SIMD_SSE_H -#define SQUISH_SIMD_SSE_H - -#include <xmmintrin.h> -#if ( SQUISH_USE_SSE > 1 ) -#include <emmintrin.h> -#endif - -#define SQUISH_SSE_SPLAT( a ) \ - ( ( a ) | ( ( a ) << 2 ) | ( ( a ) << 4 ) | ( ( a ) << 6 ) ) - -#define SQUISH_SSE_SHUF( x, y, z, w ) \ - ( ( x ) | ( ( y ) << 2 ) | ( ( z ) << 4 ) | ( ( w ) << 6 ) ) - -namespace squish { - -#define VEC4_CONST( X ) Vec4( X ) - -class Vec4 -{ -public: - typedef Vec4 const& Arg; - - Vec4() {} - - explicit Vec4( __m128 v ) : m_v( v ) {} - - Vec4( Vec4 const& arg ) : m_v( arg.m_v ) {} - - Vec4& operator=( Vec4 const& arg ) - { - m_v = arg.m_v; - return *this; - } - - explicit Vec4( float s ) : m_v( _mm_set1_ps( s ) ) {} - - Vec4( float x, float y, float z, float w ) : m_v( _mm_setr_ps( x, y, z, w ) ) {} - - Vec3 GetVec3() const - { -#ifdef __GNUC__ - __attribute__ ((__aligned__ (16))) float c[4]; -#else - __declspec(align(16)) float c[4]; -#endif - _mm_store_ps( c, m_v ); - return Vec3( c[0], c[1], c[2] ); - } - - Vec4 SplatX() const { return Vec4( _mm_shuffle_ps( m_v, m_v, SQUISH_SSE_SPLAT( 0 ) ) ); } - Vec4 SplatY() const { return Vec4( _mm_shuffle_ps( m_v, m_v, SQUISH_SSE_SPLAT( 1 ) ) ); } - Vec4 SplatZ() const { return Vec4( _mm_shuffle_ps( m_v, m_v, SQUISH_SSE_SPLAT( 2 ) ) ); } - Vec4 SplatW() const { return Vec4( _mm_shuffle_ps( m_v, m_v, SQUISH_SSE_SPLAT( 3 ) ) ); } - - Vec4& operator+=( Arg v ) - { - m_v = _mm_add_ps( m_v, v.m_v ); - return *this; - } - - Vec4& operator-=( Arg v ) - { - m_v = _mm_sub_ps( m_v, v.m_v ); - return *this; - } - - Vec4& operator*=( Arg v ) - { - m_v = _mm_mul_ps( m_v, v.m_v ); - return *this; - } - - friend Vec4 operator+( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( _mm_add_ps( left.m_v, right.m_v ) ); - } - - friend Vec4 operator-( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( _mm_sub_ps( left.m_v, right.m_v ) ); - } - - friend Vec4 operator*( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( _mm_mul_ps( left.m_v, right.m_v ) ); - } - - //! Returns a*b + c - friend Vec4 MultiplyAdd( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) - { - return Vec4( _mm_add_ps( _mm_mul_ps( a.m_v, b.m_v ), c.m_v ) ); - } - - //! Returns -( a*b - c ) - friend Vec4 NegativeMultiplySubtract( Vec4::Arg a, Vec4::Arg b, Vec4::Arg c ) - { - return Vec4( _mm_sub_ps( c.m_v, _mm_mul_ps( a.m_v, b.m_v ) ) ); - } - - friend Vec4 Reciprocal( Vec4::Arg v ) - { - // get the reciprocal estimate - __m128 estimate = _mm_rcp_ps( v.m_v ); - - // one round of Newton-Rhaphson refinement - __m128 diff = _mm_sub_ps( _mm_set1_ps( 1.0f ), _mm_mul_ps( estimate, v.m_v ) ); - return Vec4( _mm_add_ps( _mm_mul_ps( diff, estimate ), estimate ) ); - } - - friend Vec4 Min( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( _mm_min_ps( left.m_v, right.m_v ) ); - } - - friend Vec4 Max( Vec4::Arg left, Vec4::Arg right ) - { - return Vec4( _mm_max_ps( left.m_v, right.m_v ) ); - } - - friend Vec4 Truncate( Vec4::Arg v ) - { -#if ( SQUISH_USE_SSE == 1 ) - // convert to ints - __m128 input = v.m_v; - __m64 lo = _mm_cvttps_pi32( input ); - __m64 hi = _mm_cvttps_pi32( _mm_movehl_ps( input, input ) ); - - // convert to floats - __m128 part = _mm_movelh_ps( input, _mm_cvtpi32_ps( input, hi ) ); - __m128 truncated = _mm_cvtpi32_ps( part, lo ); - - // clear out the MMX multimedia state to allow FP calls later - _mm_empty(); - return Vec4( truncated ); -#else - // use SSE2 instructions - return Vec4( _mm_cvtepi32_ps( _mm_cvttps_epi32( v.m_v ) ) ); -#endif - } - - friend bool CompareAnyLessThan( Vec4::Arg left, Vec4::Arg right ) - { - __m128 bits = _mm_cmplt_ps( left.m_v, right.m_v ); - int value = _mm_movemask_ps( bits ); - return value != 0; - } - -private: - __m128 m_v; -}; - -} // namespace squish - -#endif // ndef SQUISH_SIMD_SSE_H |