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Bug 958977. r=Bas

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This commit is contained in:
Markus Stange 2014-02-07 13:24:54 +01:00
parent 0f44098ce8
commit 8672120047
1 changed files with 7 additions and 2 deletions
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9
gfx/2d/FilterProcessingSIMD-inl.h
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@ -382,9 +382,12 @@ inline void ApplyMorphologyHorizontal_SIMD(uint8_t* aSourceData, int32_t aSource
MOZ_ASSERT(completeKernelSizeForFourPixels % 4 == 0 ||
completeKernelSizeForFourPixels % 4 == 2);
// aSourceData[0] and aDestData[-aRadius] are both aligned to 16 bytes, just
// aSourceData[-aRadius] and aDestData[0] are both aligned to 16 bytes, just
// the way we need them to be.
IntRect sourceRect = aDestRect;
sourceRect.Inflate(aRadius, 0);
for (int32_t y = aDestRect.y; y < aDestRect.YMost(); y++) {
int32_t kernelStartX = aDestRect.x - aRadius;
for (int32_t x = aDestRect.x; x < aDestRect.XMost(); x += 4, kernelStartX += 4) {
@ -398,7 +401,9 @@ inline void ApplyMorphologyHorizontal_SIMD(uint8_t* aSourceData, int32_t aSource
u8x16_t m1234 = p1234;
for (int32_t i = 4; i < completeKernelSizeForFourPixels; i += 4) {
u8x16_t p5678 = simd::Load8<u8x16_t>(&aSourceData[sourceIndex + 4 * i]);
u8x16_t p5678 = (kernelStartX + i < sourceRect.XMost()) ?
simd::Load8<u8x16_t>(&aSourceData[sourceIndex + 4 * i]) :
simd::FromZero8<u8x16_t>();
u8x16_t p2345 = simd::Rotate8<4>(p1234, p5678);
u8x16_t p3456 = simd::Rotate8<8>(p1234, p5678);
m1234 = Morph8<op,u8x16_t>(m1234, p2345);