diff options
Diffstat (limited to 'cc/trees/layer_tree_host_impl.cc')
| -rw-r--r-- | cc/trees/layer_tree_host_impl.cc | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc index a497421..2670bf8 100644 --- a/cc/trees/layer_tree_host_impl.cc +++ b/cc/trees/layer_tree_host_impl.cc @@ -1071,11 +1071,6 @@ void LayerTreeHostImpl::SetNeedsRedrawRect(gfx::Rect damage_rect) { client_->SetNeedsRedrawRectOnImplThread(damage_rect); } -void LayerTreeHostImpl::OnVSyncParametersChanged(base::TimeTicks timebase, - base::TimeDelta interval) { - client_->OnVSyncParametersChanged(timebase, interval); -} - void LayerTreeHostImpl::BeginFrame(base::TimeTicks frame_time) { client_->BeginFrameOnImplThread(frame_time); } @@ -1514,6 +1509,25 @@ bool LayerTreeHostImpl::DoInitializeRenderer( resource_provider_ = resource_provider.Pass(); } + // Setup BeginFrameEmulation if it's not supported natively + if (!settings_.begin_frame_scheduling_enabled) { + const base::TimeDelta display_refresh_interval = + base::TimeDelta::FromMicroseconds( + base::Time::kMicrosecondsPerSecond / + settings_.refresh_rate); + + output_surface->InitializeBeginFrameEmulation( + proxy_->ImplThread(), + settings_.throttle_frame_production, + display_refresh_interval); + } + + int max_frames_pending = + output_surface->capabilities().max_frames_pending; + if (max_frames_pending <= 0) + max_frames_pending = FrameRateController::DEFAULT_MAX_FRAMES_PENDING; + output_surface->SetMaxFramesPending(max_frames_pending); + output_surface_ = output_surface.Pass(); if (!visible_) |