bool CompositingCoordinator::flushPendingLayerChanges()
{
TemporaryChange<bool> protector(m_isFlushingLayerChanges, true);
initializeRootCompositingLayerIfNeeded();
m_rootLayer->flushCompositingStateForThisLayerOnly();
m_client->didFlushRootLayer();
bool didSync = m_page->mainFrame().view()->flushCompositingStateIncludingSubframes();
toCoordinatedGraphicsLayer(m_rootLayer.get())->updateContentBuffersIncludingSubLayers();
toCoordinatedGraphicsLayer(m_rootLayer.get())->syncPendingStateChangesIncludingSubLayers();
flushPendingImageBackingChanges();
if (m_shouldSyncFrame) {
didSync = true;
if (m_rootCompositingLayer) {
m_state.contentsSize = roundedIntSize(m_rootCompositingLayer->size());
if (CoordinatedGraphicsLayer* contentsLayer = mainContentsLayer())
m_state.coveredRect = contentsLayer->coverRect();
}
m_state.scrollPosition = m_visibleContentsRect.location();
m_client->commitSceneState(m_state);
clearPendingStateChanges();
m_shouldSyncFrame = false;
}
return didSync;
}
bool CoordinatedLayerTreeHost::flushPendingLayerChanges()
{
if (m_waitingForUIProcess)
return false;
TemporaryChange<bool> protector(m_isFlushingLayerChanges, true);
createCompositingLayers();
initializeRootCompositingLayerIfNeeded();
m_rootLayer->flushCompositingStateForThisLayerOnly();
m_nonCompositedContentLayer->flushCompositingStateForThisLayerOnly();
if (m_pageOverlayLayer)
m_pageOverlayLayer->flushCompositingStateForThisLayerOnly();
bool didSync = m_webPage->corePage()->mainFrame()->view()->flushCompositingStateIncludingSubframes();
flushPendingImageBackingChanges();
deleteCompositingLayers();
if (m_shouldSyncFrame) {
didSync = true;
m_state.contentsSize = roundedIntSize(m_nonCompositedContentLayer->size());
m_state.coveredRect = toCoordinatedGraphicsLayer(m_nonCompositedContentLayer.get())->coverRect();
m_state.scrollPosition = m_visibleContentsRect.location();
m_webPage->send(Messages::CoordinatedLayerTreeHostProxy::CommitCoordinatedGraphicsState(m_state));
m_state.layersToUpdate.clear();
m_state.imagesToUpdate.clear();
m_waitingForUIProcess = true;
m_shouldSyncFrame = false;
} else
unlockAnimations();
if (m_forceRepaintAsyncCallbackID) {
m_webPage->send(Messages::WebPageProxy::VoidCallback(m_forceRepaintAsyncCallbackID));
m_forceRepaintAsyncCallbackID = 0;
}
return didSync;
}
