cc/trees/layer_tree_host_impl.cc - Issue 60513007: Add SwapPromise support to LayerTreeHost and LayerTreeImpl

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Unified Diff: cc/trees/layer_tree_host_impl.cc

Issue 60513007: Add SwapPromise support to LayerTreeHost and LayerTreeImpl (Closed) Base URL: http://git.chromium.org/chromium/src.git@master

Patch Set: DCHECK(swap_promise_list_[i]) before dereference Created 7 years, 1 month ago

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Index: cc/trees/layer_tree_host_impl.cc

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

index 6f267cc51b0417ac65f35299e15a4be158db4da9..d96a46ccadd09437bb9914afec0594c42ffa1fe7 100644

--- a/cc/trees/layer_tree_host_impl.cc

+++ b/cc/trees/layer_tree_host_impl.cc

@@ -1402,10 +1402,13 @@ const RendererCapabilities& LayerTreeHostImpl::GetRendererCapabilities() const {

}

bool LayerTreeHostImpl::SwapBuffers(const LayerTreeHostImpl::FrameData& frame) {

- if (frame.has_no_damage)

+ if (frame.has_no_damage) {

+ active_tree()->BreakSwapPromises(SwapPromise::SWAP_FAILS);

return false;

+ }

renderer_->SwapBuffers();

active_tree_->ClearLatencyInfo();

+ active_tree()->FinishSwapPromises();

return true;

}