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Bug 725925 - ShadowableThebesLayer does useless extra composite into 1x1 fake surface. r=cjones

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This commit is contained in:
Oleg Romashin 2012-02-10 11:22:21 -08:00
parent de905e6af5
commit 0feadfea5c
2 changed files with 20 additions and 10 deletions
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28
gfx/layers/basic/BasicLayers.cpp
View File

@ -763,7 +763,9 @@ BasicThebesLayer::PaintThebes(gfxContext* aContext,
if (BasicManager()->IsTransactionIncomplete())
return;
if (!IsHidden()) {
gfxRect clipExtents;
clipExtents = aContext->GetClipExtents();
if (!IsHidden() && !clipExtents.IsEmpty()) {
AutoSetOperator setOperator(aContext, GetOperator());
mBuffer.DrawTo(this, aContext, opacity);
}
@ -1946,16 +1948,22 @@ BasicLayerManager::PaintLayer(gfxContext* aTarget,
NS_ABORT_IF_FALSE(untransformedSurface,
"We should always allocate an untransformed surface with 3d transforms!");
gfxPoint offset;
bool dontBlit = needsClipToVisibleRegion || mTransactionIncomplete ||
aLayer->GetEffectiveOpacity() != 1.0f;
nsRefPtr<gfxASurface> result =
Transform3D(untransformedSurface, aTarget, bounds,
effectiveTransform, offset, dontBlit);
// Temporary fast fix for bug 725886
// Revert these changes when 725886 is ready
gfxRect clipExtents;
clipExtents = aTarget->GetClipExtents();
if (!clipExtents.IsEmpty()) {
gfxPoint offset;
bool dontBlit = needsClipToVisibleRegion || mTransactionIncomplete ||
aLayer->GetEffectiveOpacity() != 1.0f;
nsRefPtr<gfxASurface> result =
Transform3D(untransformedSurface, aTarget, bounds,
effectiveTransform, offset, dontBlit);
blitComplete = !result;
if (result) {
aTarget->SetSource(result, offset);
blitComplete = !result;
if (result) {
aTarget->SetSource(result, offset);
}
}
}
// If we're doing our own double-buffering, we need to avoid drawing

2
widget/xpwidgets/PuppetWidget.cpp
View File

@ -530,6 +530,8 @@ PuppetWidget::DispatchPaintEvent()
DispatchEvent(&event, status);
} else {
nsRefPtr<gfxContext> ctx = new gfxContext(mSurface);
ctx->Rectangle(gfxRect(0,0,0,0));
ctx->Clip();
AutoLayerManagerSetup setupLayerManager(this, ctx,
BasicLayerManager::BUFFER_NONE);
DispatchEvent(&event, status);