AuroraMiddleware/skia2
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Don't make dst copies when color stage requires dst but color writes are disabled.

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R=robertphillips@google.com

Review URL: https://codereview.chromium.org/15001035

git-svn-id: http://skia.googlecode.com/svn/trunk@9146 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
bsalomon@google.com 2013-05-15 17:30:26 +00:00
parent cefd981a4c
commit d09ab84678
3 changed files with 19 additions and 12 deletions
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12
src/gpu/GrContext.cpp
View File

@ -973,12 +973,14 @@ void GrContext::drawRRect(const GrPaint& paint,
GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW);
GrDrawState::AutoStageDisable atr(fDrawState);
bool prAA = paint.isAntiAlias() && !this->getRenderTarget()->isMultisampled();
bool useAA = paint.isAntiAlias() &&
!this->getRenderTarget()->isMultisampled() &&
!disable_coverage_aa_for_blend(target);
if (!fOvalRenderer->drawSimpleRRect(target, this, prAA, rect, stroke)) {
if (!fOvalRenderer->drawSimpleRRect(target, this, useAA, rect, stroke)) {
SkPath path;
path.addRRect(rect);
this->internalDrawPath(target, prAA, path, stroke);
this->internalDrawPath(target, useAA, path, stroke);
}
}
@ -991,7 +993,9 @@ void GrContext::drawOval(const GrPaint& paint,
GrDrawTarget* target = this->prepareToDraw(&paint, BUFFERED_DRAW);
GrDrawState::AutoStageDisable atr(fDrawState);
bool useAA = paint.isAntiAlias() && !this->getRenderTarget()->isMultisampled();
bool useAA = paint.isAntiAlias() &&
!this->getRenderTarget()->isMultisampled() &&
!disable_coverage_aa_for_blend(target);
if (!fOvalRenderer->drawOval(target, this, useAA, oval, stroke)) {
SkPath path;

10
src/gpu/GrDrawState.cpp
View File

@ -163,6 +163,16 @@ bool GrDrawState::validateVertexAttribs() const {
return true;
}
bool GrDrawState::willEffectReadDstColor() const {
int startStage = this->isColorWriteDisabled() ? this->getFirstCoverageStage() : 0;
for (int s = startStage; s < kNumStages; ++s) {
if (this->isStageEnabled(s) && (*this->getStage(s).getEffect())->willReadDstColor()) {
return true;
}
}
return false;
}
////////////////////////////////////////////////////////////////////////////////
bool GrDrawState::srcAlphaWillBeOne() const {

9
src/gpu/GrDrawState.h
View File

@ -451,14 +451,7 @@ public:
/**
* Checks whether any of the effects will read the dst pixel color.
*/
bool willEffectReadDstColor() const {
for (int s = 0; s < kNumStages; ++s) {
if (this->isStageEnabled(s) && (*this->getStage(s).getEffect())->willReadDstColor()) {
return true;
}
}
return false;
}
bool willEffectReadDstColor() const;
/// @}