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Remove dependency on range subtraction.

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This commit is contained in:
Bartosz Taudul 2019-07-08 00:14:36 +02:00
parent a33205e3bd
commit 17dbbe67de
1 changed files with 2 additions and 2 deletions
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4
client/TracyDxt1.cpp
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@ -207,7 +207,7 @@ static tracy_force_inline uint64_t ProcessRGB( const uint8_t* src )
__m128i rmax = _mm_max_epu8( max4, max5 );
__m128i range1 = _mm_subs_epu8( rmax, rmin );
__m128i range2 = _mm_sad_epu8( range1, _mm_setzero_si128() );
__m128i range2 = _mm_sad_epu8( rmax, rmin );
uint32_t vrange = _mm_cvtsi128_si32( range2 ) >> 1;
__m128i range = _mm_set1_epi16( DivTable[vrange] );
@ -460,7 +460,7 @@ static tracy_force_inline void ProcessRGB_AVX( const uint8_t* src, char*& dst )
__m256i rmax = _mm256_max_epu8( max4, max5 );
__m256i range1 = _mm256_subs_epu8( rmax, rmin );
__m256i range2 = _mm256_sad_epu8( range1, _mm256_setzero_si256() );
__m256i range2 = _mm256_sad_epu8( rmax, rmin );
uint16_t vrange0 = DivTableAVX[_mm256_cvtsi256_si32( range2 ) >> 1];
uint16_t vrange1 = DivTableAVX[_mm256_extract_epi16( range2, 8 ) >> 1];