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Unified Diff: ui/compositor/compositor.h

Issue 138903025: Read compositor VSync information from platform, when possible (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: 4b969456 piman@ comments; refactor logic into CompositorVSyncManager Created 6 years, 11 months ago
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Index: ui/compositor/compositor.h
diff --git a/ui/compositor/compositor.h b/ui/compositor/compositor.h
index 88bf42182238aac3729e9ce40115ff668242836c..b72990bc32ececda876d822a70e6492a466cfa81 100644
--- a/ui/compositor/compositor.h
+++ b/ui/compositor/compositor.h
@@ -43,6 +43,7 @@ class Size;
namespace ui {
class Compositor;
+class CompositorVSyncManager;
class Layer;
class PostedSwapQueue;
class Reflector;
@@ -222,6 +223,9 @@ class COMPOSITOR_EXPORT Compositor
// Returns the widget for this compositor.
gfx::AcceleratedWidget widget() const { return widget_; }
+ // Returns the vsync manager for this compositor.
+ scoped_refptr<CompositorVSyncManager> vsync_manager() const;
+
// Compositor does not own observers. It is the responsibility of the
// observer to remove itself when it is done observing.
void AddObserver(CompositorObserver* observer);
@@ -244,9 +248,6 @@ class COMPOSITOR_EXPORT Compositor
// Signals swap has aborted (e.g. lost context).
void OnSwapBuffersAborted();
- void OnUpdateVSyncParameters(base::TimeTicks timebase,
- base::TimeDelta interval);
-
// LayerTreeHostClient implementation.
virtual void WillBeginMainFrame(int frame_id) OVERRIDE {}
virtual void DidBeginMainFrame() OVERRIDE {}
@@ -302,6 +303,9 @@ class COMPOSITOR_EXPORT Compositor
scoped_refptr<cc::Layer> root_web_layer_;
scoped_ptr<cc::LayerTreeHost> host_;
+ // The manager of vsync parameters for this compositor.
+ scoped_refptr<CompositorVSyncManager> vsync_manager_;
+
// Used to verify that we have at most one draw swap in flight.
scoped_ptr<PostedSwapQueue> posted_swaps_;

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