зеркало из https://github.com/mozilla/gecko-dev.git
Limit composition to every 15 ms, may want to try increasing this value
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658ac2bd4e
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@ -132,9 +132,15 @@ CompositorParent::ScheduleComposition()
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return;
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}
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TimeDuration delta = mozilla::TimeStamp::Now() - mLastCompose;
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printf_stderr("Schedule composition\n");
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mCurrentCompositeTask = NewRunnableMethod(this, &CompositorParent::Composite);
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if (delta.ToMilliseconds() < 15) {
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MessageLoop::current()->PostDelayedTask(FROM_HERE, mCurrentCompositeTask, 15 - delta.ToMilliseconds());
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} else {
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MessageLoop::current()->PostTask(FROM_HERE, mCurrentCompositeTask);
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}
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// Test code for async scrolling.
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#ifdef OMTC_TEST_ASYNC_SCROLLING
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@ -177,8 +183,8 @@ CompositorParent::Composite()
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Layer* root = mLayerManager->GetRoot();
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root->AsShadowLayer()->SetShadowTransform(worldTransform);
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mLayerManager->EndEmptyTransaction();
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mLastCompose = mozilla::TimeStamp::Now();
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}
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// Go down shadow layer tree, setting properties to match their non-shadow
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@ -131,6 +131,7 @@ private:
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nsRefPtr<LayerManager> mLayerManager;
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nsIWidget* mWidget;
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CancelableTask *mCurrentCompositeTask;
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TimeStamp mLastCompose;
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bool mPaused;
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float mXScale;
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