cc/layer_tree_host_impl.cc - Issue 12094094: cc: Don't do full tree sync unless needed with impl painting.

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Unified Diff: cc/layer_tree_host_impl.cc

Issue 12094094: cc: Don't do full tree sync unless needed with impl painting. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Created 7 years, 11 months ago

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Index: cc/layer_tree_host_impl.cc

diff --git a/cc/layer_tree_host_impl.cc b/cc/layer_tree_host_impl.cc

index 86c416d0233cca07d0623d55a81b0b4b21de9fea..96b395b0cbdc4f19696d9ce0b6be8165bc377e79 100644

--- a/cc/layer_tree_host_impl.cc

+++ b/cc/layer_tree_host_impl.cc

@@ -982,7 +982,8 @@ void LayerTreeHostImpl::activatePendingTree()

TRACE_EVENT_ASYNC_END0("cc", "PendingTree", m_pendingTree.get());

m_activeTree->PushPersistedState(m_pendingTree.get());

- m_activeTree->SetRootLayer(TreeSynchronizer::synchronizeTrees(m_pendingTree->RootLayer(), m_activeTree->DetachLayerTree(), m_activeTree.get()));

+ if (m_pendingTree->needs_full_tree_sync())

+ m_activeTree->SetRootLayer(TreeSynchronizer::synchronizeTrees(m_pendingTree->RootLayer(), m_activeTree->DetachLayerTree(), m_activeTree.get()));

TreeSynchronizer::pushProperties(m_pendingTree->RootLayer(), m_activeTree->RootLayer());

DCHECK(!m_recycleTree);

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