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SSE for the blend functions
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@dpjudas
dpjudas committed Dec 8, 2019
1 parent 819c675 commit 1e239ba
Showing 1 changed file with 141 additions and 7 deletions.
148 changes: 141 additions & 7 deletions src/rendering/polyrenderer/drawers/screen_triangle.cpp
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Expand Up @@ -615,7 +615,26 @@ static void BlendColorAdd_Src_InvSrc(int y, int x0, int x1, PolyTriangleThreadDa
uint32_t* line = (uint32_t*)thread->dest + y * (ptrdiff_t)thread->dest_pitch;
uint32_t* fragcolor = thread->scanline.FragColor;

for (int x = x0; x < x1; x++)
int sseend = x0;

#ifndef NO_SSE
int ssecount = ((x1 - x0) & ~1);
sseend = x0 + ssecount;
for (int x = x0; x < sseend; x += 2)
{
__m128i dst = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*)&line[x]), _mm_setzero_si128());
__m128i src = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*)&fragcolor[x]), _mm_setzero_si128());

__m128i srcscale = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
srcscale = _mm_add_epi16(srcscale, _mm_srli_epi16(srcscale, 7));
__m128i dstscale = _mm_sub_epi16(_mm_set1_epi16(256), srcscale);

__m128i out = _mm_srli_epi16(_mm_add_epi16(_mm_add_epi16(_mm_mullo_epi16(src, srcscale), _mm_mullo_epi16(dst, dstscale)), _mm_set1_epi16(127)), 8);
_mm_storel_epi64((__m128i*)&line[x], _mm_packus_epi16(out, out));
}
#endif

for (int x = sseend; x < x1; x++)
{
uint32_t dst = line[x];
uint32_t src = fragcolor[x];
Expand All @@ -637,7 +656,27 @@ static void BlendColorAdd_SrcCol_InvSrcCol(int y, int x0, int x1, PolyTriangleTh
{
uint32_t* line = (uint32_t*)thread->dest + y * (ptrdiff_t)thread->dest_pitch;
uint32_t* fragcolor = thread->scanline.FragColor;
for (int x = x0; x < x1; x++)

int sseend = x0;

#ifndef NO_SSE
int ssecount = ((x1 - x0) & ~1);
sseend = x0 + ssecount;
for (int x = x0; x < sseend; x += 2)
{
__m128i dst = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*) & line[x]), _mm_setzero_si128());
__m128i src = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*) & fragcolor[x]), _mm_setzero_si128());

__m128i srcscale = src;
srcscale = _mm_add_epi16(srcscale, _mm_srli_epi16(srcscale, 7));
__m128i dstscale = _mm_sub_epi16(_mm_set1_epi16(256), srcscale);

__m128i out = _mm_srli_epi16(_mm_add_epi16(_mm_add_epi16(_mm_mullo_epi16(src, srcscale), _mm_mullo_epi16(dst, dstscale)), _mm_set1_epi16(127)), 8);
_mm_storel_epi64((__m128i*) & line[x], _mm_packus_epi16(out, out));
}
#endif

for (int x = sseend; x < x1; x++)
{
uint32_t dst = line[x];
uint32_t src = fragcolor[x];
Expand Down Expand Up @@ -668,7 +707,26 @@ static void BlendColorAdd_Src_One(int y, int x0, int x1, PolyTriangleThreadData*
{
uint32_t* line = (uint32_t*)thread->dest + y * (ptrdiff_t)thread->dest_pitch;
uint32_t* fragcolor = thread->scanline.FragColor;
for (int x = x0; x < x1; x++)

int sseend = x0;

#ifndef NO_SSE
int ssecount = ((x1 - x0) & ~1);
sseend = x0 + ssecount;
for (int x = x0; x < sseend; x += 2)
{
__m128i dst = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*) & line[x]), _mm_setzero_si128());
__m128i src = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*) & fragcolor[x]), _mm_setzero_si128());

__m128i srcscale = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
srcscale = _mm_add_epi16(srcscale, _mm_srli_epi16(srcscale, 7));

__m128i out = _mm_add_epi16(_mm_srli_epi16(_mm_add_epi16(_mm_mullo_epi16(src, srcscale), _mm_set1_epi16(127)), 8), dst);
_mm_storel_epi64((__m128i*) & line[x], _mm_packus_epi16(out, out));
}
#endif

for (int x = sseend; x < x1; x++)
{
uint32_t dst = line[x];
uint32_t src = fragcolor[x];
Expand All @@ -689,7 +747,26 @@ static void BlendColorAdd_SrcCol_One(int y, int x0, int x1, PolyTriangleThreadDa
{
uint32_t* line = (uint32_t*)thread->dest + y * (ptrdiff_t)thread->dest_pitch;
uint32_t* fragcolor = thread->scanline.FragColor;
for (int x = x0; x < x1; x++)

int sseend = x0;

#ifndef NO_SSE
int ssecount = ((x1 - x0) & ~1);
sseend = x0 + ssecount;
for (int x = x0; x < sseend; x += 2)
{
__m128i dst = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*) & line[x]), _mm_setzero_si128());
__m128i src = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*) & fragcolor[x]), _mm_setzero_si128());

__m128i srcscale = src;
srcscale = _mm_add_epi16(srcscale, _mm_srli_epi16(srcscale, 7));

__m128i out = _mm_add_epi16(_mm_srli_epi16(_mm_add_epi16(_mm_mullo_epi16(src, srcscale), _mm_set1_epi16(127)), 8), dst);
_mm_storel_epi64((__m128i*) & line[x], _mm_packus_epi16(out, out));
}
#endif

for (int x = sseend; x < x1; x++)
{
uint32_t dst = line[x];
uint32_t src = fragcolor[x];
Expand All @@ -716,7 +793,26 @@ static void BlendColorAdd_DstCol_Zero(int y, int x0, int x1, PolyTriangleThreadD
{
uint32_t* line = (uint32_t*)thread->dest + y * (ptrdiff_t)thread->dest_pitch;
uint32_t* fragcolor = thread->scanline.FragColor;
for (int x = x0; x < x1; x++)

int sseend = x0;

#ifndef NO_SSE
int ssecount = ((x1 - x0) & ~1);
sseend = x0 + ssecount;
for (int x = x0; x < sseend; x += 2)
{
__m128i dst = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*) & line[x]), _mm_setzero_si128());
__m128i src = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*) & fragcolor[x]), _mm_setzero_si128());

__m128i srcscale = dst;
srcscale = _mm_add_epi16(srcscale, _mm_srli_epi16(srcscale, 7));

__m128i out = _mm_srli_epi16(_mm_add_epi16(_mm_mullo_epi16(src, srcscale), _mm_set1_epi16(127)), 8);
_mm_storel_epi64((__m128i*) & line[x], _mm_packus_epi16(out, out));
}
#endif

for (int x = sseend; x < x1; x++)
{
uint32_t dst = line[x];
uint32_t src = fragcolor[x];
Expand All @@ -743,7 +839,26 @@ static void BlendColorAdd_InvDstCol_Zero(int y, int x0, int x1, PolyTriangleThre
{
uint32_t* line = (uint32_t*)thread->dest + y * (ptrdiff_t)thread->dest_pitch;
uint32_t* fragcolor = thread->scanline.FragColor;
for (int x = x0; x < x1; x++)

int sseend = x0;

#ifndef NO_SSE
int ssecount = ((x1 - x0) & ~1);
sseend = x0 + ssecount;
for (int x = x0; x < sseend; x += 2)
{
__m128i dst = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*) & line[x]), _mm_setzero_si128());
__m128i src = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*) & fragcolor[x]), _mm_setzero_si128());

__m128i srcscale = _mm_sub_epi16(_mm_set1_epi16(255), dst);
srcscale = _mm_add_epi16(srcscale, _mm_srli_epi16(srcscale, 7));

__m128i out = _mm_srli_epi16(_mm_add_epi16(_mm_mullo_epi16(src, srcscale), _mm_set1_epi16(127)), 8);
_mm_storel_epi64((__m128i*) & line[x], _mm_packus_epi16(out, out));
}
#endif

for (int x = sseend; x < x1; x++)
{
uint32_t dst = line[x];
uint32_t src = fragcolor[x];
Expand All @@ -770,7 +885,26 @@ static void BlendColorRevSub_Src_One(int y, int x0, int x1, PolyTriangleThreadDa
{
uint32_t* line = (uint32_t*)thread->dest + y * (ptrdiff_t)thread->dest_pitch;
uint32_t* fragcolor = thread->scanline.FragColor;
for (int x = x0; x < x1; x++)

int sseend = x0;

#ifndef NO_SSE
int ssecount = ((x1 - x0) & ~1);
sseend = x0 + ssecount;
for (int x = x0; x < sseend; x += 2)
{
__m128i dst = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*) & line[x]), _mm_setzero_si128());
__m128i src = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*) & fragcolor[x]), _mm_setzero_si128());

__m128i srcscale = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
srcscale = _mm_add_epi16(srcscale, _mm_srli_epi16(srcscale, 7));

__m128i out = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_add_epi16(_mm_mullo_epi16(src, srcscale), _mm_set1_epi16(127)), 8));
_mm_storel_epi64((__m128i*) & line[x], _mm_packus_epi16(out, out));
}
#endif

for (int x = sseend; x < x1; x++)
{
uint32_t dst = line[x];
uint32_t src = fragcolor[x];
Expand Down

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