Index: src/opts/SkPMFloat_SSSE3.h |
diff --git a/src/opts/SkPMFloat_SSSE3.h b/src/opts/SkPMFloat_SSSE3.h |
deleted file mode 100644 |
index 67116ec2dd1d52aea84afc16aa5c61d595e900d4..0000000000000000000000000000000000000000 |
--- a/src/opts/SkPMFloat_SSSE3.h |
+++ /dev/null |
@@ -1,87 +0,0 @@ |
-/* |
- * Copyright 2015 Google Inc. |
- * |
- * Use of this source code is governed by a BSD-style license that can be |
- * found in the LICENSE file. |
- */ |
- |
-namespace { // See SkPMFloat.h |
- |
-// For SkPMFloat(SkPMColor), we widen our 8 bit components (fix8) to 8-bit components in 32 bits |
-// (fix8_32), then convert those to floats. |
- |
-// round() does the opposite, working from floats to 8-bit-in-32-bits, then back to packed 8 bit. |
- |
-// roundClamp() is the same as _SSE2: floats to 8-in-32, to 8-in-16, to packed 8 bit, with |
-// _mm_packus_epi16() both clamping and narrowing. |
- |
-inline SkPMFloat::SkPMFloat(SkPMColor c) { |
- SkPMColorAssert(c); |
- const int _ = 255; // _ means to zero that byte. |
- __m128i fix8 = _mm_set_epi32(0,0,0,c), |
- fix8_32 = _mm_shuffle_epi8(fix8, _mm_set_epi8(_,_,_,3, _,_,_,2, _,_,_,1, _,_,_,0)); |
- fVec = _mm_cvtepi32_ps(fix8_32); |
- SkASSERT(this->isValid()); |
-} |
- |
-inline SkPMColor SkPMFloat::trunc() const { |
- const int _ = 255; // _ means to zero that byte. |
- __m128i fix8_32 = _mm_cvttps_epi32(fVec), |
- fix8 = _mm_shuffle_epi8(fix8_32, _mm_set_epi8(_,_,_,_, _,_,_,_, _,_,_,_, 12,8,4,0)); |
- SkPMColor c = _mm_cvtsi128_si32(fix8); |
- SkPMColorAssert(c); |
- return c; |
-} |
- |
-inline SkPMColor SkPMFloat::round() const { |
- return SkPMFloat(Sk4f(0.5f) + *this).trunc(); |
-} |
- |
-inline SkPMColor SkPMFloat::roundClamp() const { |
- // We don't use _mm_cvtps_epi32, because we want precise control over how 0.5 rounds (up). |
- __m128i fix8_32 = _mm_cvttps_epi32(_mm_add_ps(_mm_set1_ps(0.5f), fVec)), |
- fix8_16 = _mm_packus_epi16(fix8_32, fix8_32), |
- fix8 = _mm_packus_epi16(fix8_16, fix8_16); |
- SkPMColor c = _mm_cvtsi128_si32(fix8); |
- SkPMColorAssert(c); |
- return c; |
-} |
- |
-inline void SkPMFloat::From4PMColors(const SkPMColor colors[4], |
- SkPMFloat* a, SkPMFloat* b, SkPMFloat* c, SkPMFloat* d) { |
- // Haven't beaten this yet. |
- *a = FromPMColor(colors[0]); |
- *b = FromPMColor(colors[1]); |
- *c = FromPMColor(colors[2]); |
- *d = FromPMColor(colors[3]); |
-} |
- |
-inline void SkPMFloat::RoundTo4PMColors( |
- const SkPMFloat& a, const SkPMFloat& b, const SkPMFloat&c, const SkPMFloat& d, |
- SkPMColor colors[4]) { |
- // Haven't beaten this yet. Still faster than RoundClampTo4PMColors? |
- colors[0] = a.round(); |
- colors[1] = b.round(); |
- colors[2] = c.round(); |
- colors[3] = d.round(); |
-} |
- |
-inline void SkPMFloat::RoundClampTo4PMColors( |
- const SkPMFloat& a, const SkPMFloat& b, const SkPMFloat&c, const SkPMFloat& d, |
- SkPMColor colors[4]) { |
- // Same as _SSE2.h's. We use 3 _mm_packus_epi16() where the naive loop uses 8. |
- // We don't use _mm_cvtps_epi32, because we want precise control over how 0.5 rounds (up). |
- __m128i c0 = _mm_cvttps_epi32(_mm_add_ps(_mm_set1_ps(0.5f), a.fVec)), |
- c1 = _mm_cvttps_epi32(_mm_add_ps(_mm_set1_ps(0.5f), b.fVec)), |
- c2 = _mm_cvttps_epi32(_mm_add_ps(_mm_set1_ps(0.5f), c.fVec)), |
- c3 = _mm_cvttps_epi32(_mm_add_ps(_mm_set1_ps(0.5f), d.fVec)); |
- __m128i c3210 = _mm_packus_epi16(_mm_packus_epi16(c0, c1), |
- _mm_packus_epi16(c2, c3)); |
- _mm_storeu_si128((__m128i*)colors, c3210); |
- SkPMColorAssert(colors[0]); |
- SkPMColorAssert(colors[1]); |
- SkPMColorAssert(colors[2]); |
- SkPMColorAssert(colors[3]); |
-} |
- |
-} // namespace |