diff options
| author |  reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-11-04 20:10:33 +0000 |
|---|---|---|
| committer | reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-11-04 20:10:33 +0000 |
| commit | ac9d306a92e569e85a7611e9db00943b5b551f1e (patch) | |
| tree | 168e141c406948aad89ec41bb88b0c3260de2a5c /src/core/SkBlitter.cpp | |
| parent | 8d8bcf9f88be927f6d7e5167bb9220d62bf8afe3 (diff) | |
speed up A8 by creating a new entry-point in SkDraw that blits the path's coverage directly into an A8 target, regardless of the previous pixel values.
R=bsalomon@google.com, mtklein@google.com
Review URL: https://codereview.chromium.org/56453002
git-svn-id: http://skia.googlecode.com/svn/trunk@12118 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'src/core/SkBlitter.cpp')
| -rw-r--r-- | src/core/SkBlitter.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/core/SkBlitter.cpp b/src/core/SkBlitter.cpp index f4e1a37c80..f46db357d4 100644 --- a/src/core/SkBlitter.cpp +++ b/src/core/SkBlitter.cpp @@ -850,14 +850,16 @@ static XferInterp interpret_xfermode(const SkPaint& paint, SkXfermode* xfer, SkBlitter* SkBlitter::Choose(const SkBitmap& device, const SkMatrix& matrix, const SkPaint& origPaint, - void* storage, size_t storageSize) { + void* storage, size_t storageSize, + bool drawCoverage) { SkASSERT(storageSize == 0 || storage != NULL); SkBlitter* blitter = NULL; // which check, in case we're being called by a client with a dummy device // (e.g. they have a bounder that always aborts the draw) - if (SkBitmap::kNo_Config == device.config()) { + if (SkBitmap::kNo_Config == device.config() || + (drawCoverage && (SkBitmap::kA8_Config != device.config()))) { SK_PLACEMENT_NEW(blitter, SkNullBlitter, storage, storageSize); return blitter; } @@ -940,6 +942,7 @@ SkBlitter* SkBlitter::Choose(const SkBitmap& device, return blitter; } + switch (device.config()) { case SkBitmap::kA1_Config: SK_PLACEMENT_NEW_ARGS(blitter, SkA1_Blitter, @@ -947,7 +950,12 @@ SkBlitter* SkBlitter::Choose(const SkBitmap& device, break; case SkBitmap::kA8_Config: - if (shader) { + if (drawCoverage) { + SkASSERT(NULL == shader); + SkASSERT(NULL == paint->getXfermode()); + SK_PLACEMENT_NEW_ARGS(blitter, SkA8_Coverage_Blitter, + storage, storageSize, (device, *paint)); + } else if (shader) { SK_PLACEMENT_NEW_ARGS(blitter, SkA8_Shader_Blitter, storage, storageSize, (device, *paint)); } else { |