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Mask out alpha channel on SSE and AVX2 paths.

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This commit is contained in:
Bartosz Taudul 2020-07-20 13:58:35 +02:00
parent 6fe3736a23
commit 346e5a426f
1 changed files with 12 additions and 0 deletions
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12
client/TracyDxt1.cpp
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@ -172,6 +172,12 @@ static tracy_force_inline uint64_t ProcessRGB( const uint8_t* src )
return uint64_t( to565( src[0], src[1], src[2] ) ) << 16; return uint64_t( to565( src[0], src[1], src[2] ) ) << 16;
} }
__m128i amask = _mm_set1_epi32( 0xFFFFFF );
px0 = _mm_and_si128( px0, amask );
px1 = _mm_and_si128( px1, amask );
px2 = _mm_and_si128( px2, amask );
px3 = _mm_and_si128( px3, amask );
__m128i min0 = _mm_min_epu8( px0, px1 ); __m128i min0 = _mm_min_epu8( px0, px1 );
__m128i min1 = _mm_min_epu8( px2, px3 ); __m128i min1 = _mm_min_epu8( px2, px3 );
__m128i min2 = _mm_min_epu8( min0, min1 ); __m128i min2 = _mm_min_epu8( min0, min1 );
@ -492,6 +498,12 @@ static tracy_force_inline void ProcessRGB_AVX( const uint8_t* src, char*& dst )
return; return;
} }
__m256i amask = _mm256_set1_epi32( 0xFFFFFF );
px0 = _mm256_and_si256( px0, amask );
px1 = _mm256_and_si256( px1, amask );
px2 = _mm256_and_si256( px2, amask );
px3 = _mm256_and_si256( px3, amask );
__m256i min0 = _mm256_min_epu8( px0, px1 ); __m256i min0 = _mm256_min_epu8( px0, px1 );
__m256i min1 = _mm256_min_epu8( px2, px3 ); __m256i min1 = _mm256_min_epu8( px2, px3 );
__m256i min2 = _mm256_min_epu8( min0, min1 ); __m256i min2 = _mm256_min_epu8( min0, min1 );