diff options
| -rw-r--r-- | src/core/SkCanvas.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp index 57f11df9f2..4e4d430f21 100644 --- a/src/core/SkCanvas.cpp +++ b/src/core/SkCanvas.cpp @@ -25,6 +25,8 @@ SK_DEFINE_INST_COUNT(SkBounder) SK_DEFINE_INST_COUNT(SkCanvas) SK_DEFINE_INST_COUNT(SkDrawFilter) +// experimental for faster tiled drawing... +//#define SK_ENABLE_CLIP_QUICKREJECT //#define SK_TRACE_SAVERESTORE @@ -1095,6 +1097,23 @@ void SkCanvas::resetMatrix() { ////////////////////////////////////////////////////////////////////////////// bool SkCanvas::clipRect(const SkRect& rect, SkRegion::Op op, bool doAA) { +#ifdef SK_ENABLE_CLIP_QUICKREJECT + if (SkRegion::kIntersect_Op == op) { + if (fMCRec->fRasterClip->isEmpty()) { + return false; + } + + if (this->quickReject(rect, kAA_EdgeType)) { + fDeviceCMDirty = true; + fLocalBoundsCompareTypeDirty = true; + fLocalBoundsCompareTypeDirtyBW = true; + + fClipStack.clipEmpty(); + return fMCRec->fRasterClip->setEmpty(); + } + } +#endif + AutoValidateClip avc(this); fDeviceCMDirty = true; @@ -1160,6 +1179,23 @@ static bool clipPathHelper(const SkCanvas* canvas, SkRasterClip* currClip, } bool SkCanvas::clipPath(const SkPath& path, SkRegion::Op op, bool doAA) { +#ifdef SK_ENABLE_CLIP_QUICKREJECT + if (SkRegion::kIntersect_Op == op && !path.isInverseFillType()) { + if (fMCRec->fRasterClip->isEmpty()) { + return false; + } + + if (this->quickReject(path.getBounds(), kAA_EdgeType)) { + fDeviceCMDirty = true; + fLocalBoundsCompareTypeDirty = true; + fLocalBoundsCompareTypeDirtyBW = true; + + fClipStack.clipEmpty(); + return fMCRec->fRasterClip->setEmpty(); + } + } +#endif + AutoValidateClip avc(this); fDeviceCMDirty = true; |