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SIMD ColorLUT. finally fix alpha copy

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Alexander 2018-03-30 12:43:16 +03:00 committed by Alexander Karpinsky
parent c31c78819f
commit 6e22415933
1 changed files with 14 additions and 11 deletions
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25
src/libImaging/ColorLUT.c
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@ -100,22 +100,23 @@ ImagingColorLUT3D_linear(
ImagingSectionEnter(&cookie);
for (y = 0; y < imOut->ysize; y++) {
UINT8* rowIn = (UINT8 *)imIn->image[y];
UINT32* rowIn = (UINT32 *)imIn->image[y];
UINT32* rowOut = (UINT32 *)imOut->image[y];
UINT8* rowIn8 = (UINT8 *)imIn->image[y];
UINT8* rowOut8 = (UINT8 *)imOut->image[y];
int x = 0;
#if defined(__AVX2__)
{
__m256i index = _mm256_mullo_epi32(scale256,
_mm256_cvtepu8_epi32(*(__m128i *) &rowIn[x*4]));
__m256i index = _mm256_mullo_epi32(scale256, mm256_cvtepu8_epi32(&rowIn[x]));
__m256i idxs = _mm256_hadd_epi32(_mm256_hadd_epi32(
_mm256_madd_epi16(index_mul256, _mm256_srli_epi32(index, SCALE_BITS)),
_mm256_setzero_si256()), _mm256_setzero_si256());
int idx1 = _mm_cvtsi128_si32(_mm256_castsi256_si128(idxs));
int idx2 = _mm256_extract_epi32(idxs, 4);
for (; x < imOut->xsize - 1; x += 2) {
__m256i next_index = _mm256_mullo_epi32(scale256,
_mm256_cvtepu8_epi32(*(__m128i *) &rowIn[x*4 + 8]));
__m256i next_index = _mm256_mullo_epi32(scale256, mm256_cvtepu8_epi32(&rowIn[x + 2]));
__m256i next_idxs = _mm256_hadd_epi32(_mm256_hadd_epi32(
_mm256_madd_epi16(index_mul256, _mm256_srli_epi32(next_index, SCALE_BITS)),
_mm256_setzero_si256()), _mm256_setzero_si256());
@ -187,8 +188,10 @@ ImagingColorLUT3D_linear(
result = _mm256_packs_epi32(result, result);
result = _mm256_packus_epi16(result, result);
rowOut[x+0] = _mm_cvtsi128_si32(_mm256_castsi256_si128(result));
rowOut[x+1] = _mm256_extract_epi32(result, 4);
rowOut[x + 0] = _mm_cvtsi128_si32(_mm256_castsi256_si128(result));
rowOut[x + 1] = _mm256_extract_epi32(result, 4);
rowOut8[x*4 + 3] = rowIn8[x*4 + 3];
rowOut8[x*4 + 7] = rowIn8[x*4 + 7];
}
if (table_channels == 4) {
@ -251,15 +254,14 @@ ImagingColorLUT3D_linear(
}
#endif
__m128i index = _mm_mullo_epi32(scale,
_mm_cvtepu8_epi32(*(__m128i *) &rowIn[x*4]));
__m128i index = _mm_mullo_epi32(scale, mm_cvtepu8_epi32(&rowIn[x]));
int idx = _mm_cvtsi128_si32(
_mm_hadd_epi32(_mm_hadd_epi32(
_mm_madd_epi16(index_mul, _mm_srli_epi32(index, SCALE_BITS)),
_mm_setzero_si128()), _mm_setzero_si128()));
for (; x < imOut->xsize; x++) {
__m128i next_index = _mm_mullo_epi32(scale,
_mm_cvtepu8_epi32(*(__m128i *) &rowIn[x*4 + 4]));
__m128i next_index = _mm_mullo_epi32(scale, mm_cvtepu8_epi32(&rowIn[x + 1]));
int next_idx = _mm_cvtsi128_si32(
_mm_hadd_epi32(_mm_hadd_epi32(
_mm_madd_epi16(index_mul, _mm_srli_epi32(next_index, SCALE_BITS)),
@ -318,6 +320,7 @@ ImagingColorLUT3D_linear(
result = _mm_packs_epi32(result, result);
rowOut[x] = _mm_cvtsi128_si32(_mm_packus_epi16(result, result));
rowOut8[x*4 + 3] = rowIn8[x*4 + 3];
}
if (table_channels == 4) {