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Back out bug 1121871 as it is an improper fix and creates regressions like bug 1132741. r=BenWa (on IRC)

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This commit is contained in:
Kartikaya Gupta 2015-02-17 16:30:53 -05:00
parent 38507e6f18
commit 9fe7f9b5c0
1 changed files with 7 additions and 23 deletions
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30
gfx/layers/client/ClientTiledPaintedLayer.cpp
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@ -418,36 +418,20 @@ ClientTiledPaintedLayer::RenderLayer()
ToClientLayer(GetMaskLayer())->RenderLayer();
}
// For more complex cases we need to calculate a bunch of metrics before we
// can do the paint.
BeginPaint();
if (mPaintData.mPaintFinished) {
return;
}
// In some cases we can take a fast path and just be done with it.
if (UseFastPath()) {
TILING_LOG("TILING %p: Taking fast-path\n", this);
mValidRegion = neededRegion;
// Make sure that tiles that fall outside of the visible region or outside of the
// critical displayport are discarded on the first update. Also make sure that we
// only draw stuff inside the critical displayport on the first update.
if (!mPaintData.mCriticalDisplayPort.IsEmpty()) {
mValidRegion.And(mValidRegion, LayerIntRect::ToUntyped(mPaintData.mCriticalDisplayPort));
invalidRegion.And(invalidRegion, LayerIntRect::ToUntyped(mPaintData.mCriticalDisplayPort));
}
if (invalidRegion.IsEmpty()) {
EndPaint();
return;
}
mContentClient->mTiledBuffer.SetFrameResolution(mPaintData.mResolution);
mContentClient->mTiledBuffer.PaintThebes(mValidRegion, invalidRegion, callback, data);
ClientManager()->Hold(this);
mContentClient->UseTiledLayerBuffer(TiledContentClient::TILED_BUFFER);
EndPaint();
return;
}
// For more complex cases we need to calculate a bunch of metrics before we
// can do the paint.
BeginPaint();
if (mPaintData.mPaintFinished) {
return;
}