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Implement a speedup for Y-only blurs by transposing.

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R=mtklein@google.com, mtklein, reed@google.com
BUG=

Review URL: https://codereview.chromium.org/66413007

git-svn-id: http://skia.googlecode.com/svn/trunk@12227 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
senorblanco@chromium.org 2013-11-11 20:12:34 +00:00
parent 6acc8f473d
commit 05edd02a7c
6 changed files with 18 additions and 11 deletions
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11
src/effects/SkBlurImageFilter.cpp
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@ -193,11 +193,12 @@ bool SkBlurImageFilter::onFilterImage(Proxy* proxy,
SkPMColor* d = dst->getAddr32(0, 0);
int w = dstBounds.width(), h = dstBounds.height();
int sw = src.rowBytesAsPixels();
SkBoxBlurProc boxBlurX, boxBlurY, boxBlurXY;
if (!SkBoxBlurGetPlatformProcs(&boxBlurX, &boxBlurY, &boxBlurXY)) {
SkBoxBlurProc boxBlurX, boxBlurY, boxBlurXY, boxBlurYX;
if (!SkBoxBlurGetPlatformProcs(&boxBlurX, &boxBlurY, &boxBlurXY, &boxBlurYX)) {
boxBlurX = boxBlur<kX, kX>;
boxBlurY = boxBlur<kY, kY>;
boxBlurXY = boxBlur<kX, kY>;
boxBlurYX = boxBlur<kY, kX>;
}
if (kernelSizeX > 0 && kernelSizeY > 0) {
@ -221,9 +222,9 @@ bool SkBlurImageFilter::onFilterImage(Proxy* proxy,
boxBlurX(d, w, t, kernelSizeX, highOffsetX, lowOffsetX, w, h);
boxBlurX(t, w, d, kernelSizeX3, highOffsetX, highOffsetX, w, h);
} else if (kernelSizeY > 0) {
boxBlurY(s, sw, d, kernelSizeY, lowOffsetY, highOffsetY, h, w);
boxBlurY(d, w, t, kernelSizeY, highOffsetY, lowOffsetY, h, w);
boxBlurY(t, w, d, kernelSizeY3, highOffsetY, highOffsetY, h, w);
boxBlurYX(s, sw, d, kernelSizeY, lowOffsetY, highOffsetY, h, w);
boxBlurX(d, h, t, kernelSizeY, highOffsetY, lowOffsetY, h, w);
boxBlurXY(t, h, d, kernelSizeY3, highOffsetY, highOffsetY, h, w);
}
offset->fX += srcBounds.fLeft;
offset->fY += srcBounds.fTop;

3
src/opts/SkBlurImage_opts.h
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@ -15,5 +15,6 @@ typedef void (*SkBoxBlurProc)(const SkPMColor* src, int srcStride, SkPMColor* ds
bool SkBoxBlurGetPlatformProcs(SkBoxBlurProc* boxBlurX,
SkBoxBlurProc* boxBlurY,
SkBoxBlurProc* boxBlurXY);
SkBoxBlurProc* boxBlurXY,
SkBoxBlurProc* boxBlurYX);
#endif

4
src/opts/SkBlurImage_opts_SSE2.cpp
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@ -107,9 +107,11 @@ void SkBoxBlur_SSE2(const SkPMColor* src, int srcStride, SkPMColor* dst, int ker
bool SkBoxBlurGetPlatformProcs_SSE2(SkBoxBlurProc* boxBlurX,
SkBoxBlurProc* boxBlurY,
SkBoxBlurProc* boxBlurXY) {
SkBoxBlurProc* boxBlurXY,
SkBoxBlurProc* boxBlurYX) {
*boxBlurX = SkBoxBlur_SSE2<kX, kX>;
*boxBlurY = SkBoxBlur_SSE2<kY, kY>;
*boxBlurXY = SkBoxBlur_SSE2<kX, kY>;
*boxBlurYX = SkBoxBlur_SSE2<kY, kX>;
return true;
}

3
src/opts/SkBlurImage_opts_SSE2.h
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@ -9,4 +9,5 @@
bool SkBoxBlurGetPlatformProcs_SSE2(SkBoxBlurProc* boxBlurX,
SkBoxBlurProc* boxBlurY,
SkBoxBlurProc* boxBlurXY);
SkBoxBlurProc* boxBlurXY,
SkBoxBlurProc* boxBlurYX);

3
src/opts/SkBlurImage_opts_none.cpp
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@ -9,6 +9,7 @@
bool SkBoxBlurGetPlatformProcs(SkBoxBlurProc* boxBlurX,
SkBoxBlurProc* boxBlurY,
SkBoxBlurProc* boxBlurXY) {
SkBoxBlurProc* boxBlurXY,
SkBoxBlurProc* boxBlurYX) {
return false;
}

5
src/opts/opts_check_SSE2.cpp
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@ -271,14 +271,15 @@ SkMorphologyProc SkMorphologyGetPlatformProc(SkMorphologyProcType type) {
bool SkBoxBlurGetPlatformProcs(SkBoxBlurProc* boxBlurX,
SkBoxBlurProc* boxBlurY,
SkBoxBlurProc* boxBlurXY) {
SkBoxBlurProc* boxBlurXY,
SkBoxBlurProc* boxBlurYX) {
#ifdef SK_DISABLE_BLUR_DIVISION_OPTIMIZATION
return false;
#else
if (!cachedHasSSE2()) {
return false;
}
return SkBoxBlurGetPlatformProcs_SSE2(boxBlurX, boxBlurY, boxBlurXY);
return SkBoxBlurGetPlatformProcs_SSE2(boxBlurX, boxBlurY, boxBlurXY, boxBlurYX);
#endif
}