Make SingleThreadProxy a SchedulerClient

cc/trees/single_thread_proxy.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_TREES_SINGLE_THREAD_PROXY_H_
 #define CC_TREES_SINGLE_THREAD_PROXY_H_
 
 #include <limits>
 
 #include "base/time/time.h"
 #include "cc/animation/animation_events.h"
 #include "cc/output/begin_frame_args.h"
+#include "cc/scheduler/scheduler.h"
 #include "cc/trees/layer_tree_host_impl.h"
 #include "cc/trees/proxy.h"
+#include "cc/trees/proxy_timing_history.h"
 
 namespace cc {
 
 class ContextProvider;
 class LayerTreeHost;
 class LayerTreeHostSingleThreadClient;
 
 class CC_EXPORT SingleThreadProxy : public Proxy,
-                    NON_EXPORTED_BASE(LayerTreeHostImplClient) {
+                                    NON_EXPORTED_BASE(LayerTreeHostImplClient),
+                                    SchedulerClient {
  public:
   static scoped_ptr<Proxy> Create(
       LayerTreeHost* layer_tree_host,
       LayerTreeHostSingleThreadClient* client);
   virtual ~SingleThreadProxy();
 
   // Proxy implementation
   virtual void FinishAllRendering() OVERRIDE;
   virtual bool IsStarted() const OVERRIDE;
   virtual void SetLayerTreeHostClientReady() OVERRIDE;
   virtual void SetVisible(bool visible) OVERRIDE;
   virtual const RendererCapabilities& GetRendererCapabilities() const OVERRIDE;
   virtual void SetNeedsAnimate() OVERRIDE;
   virtual void SetNeedsUpdateLayers() OVERRIDE;
   virtual void SetNeedsCommit() OVERRIDE;
   virtual void SetNeedsRedraw(const gfx::Rect& damage_rect) OVERRIDE;
   virtual void SetNextCommitWaitsForActivation() OVERRIDE;
   virtual void NotifyInputThrottledUntilCommit() OVERRIDE {}
   virtual void SetDeferCommits(bool defer_commits) OVERRIDE;
   virtual bool CommitRequested() const OVERRIDE;
   virtual bool BeginMainFrameRequested() const OVERRIDE;
   virtual void MainThreadHasStoppedFlinging() OVERRIDE {}
   virtual void Start() OVERRIDE;
   virtual void Stop() OVERRIDE;
   virtual size_t MaxPartialTextureUpdates() const OVERRIDE;
   virtual void ForceSerializeOnSwapBuffers() OVERRIDE;
   virtual scoped_ptr<base::Value> AsValue() const OVERRIDE;
   virtual bool CommitPendingForTesting() OVERRIDE;
+  virtual scoped_ptr<base::Value> SchedulerAsValueForTesting() OVERRIDE;
+
+  // SchedulerClient implementation
+  virtual void SetNeedsBeginFrame(bool enable) OVERRIDE;
+  virtual void WillBeginImplFrame(const BeginFrameArgs& args) OVERRIDE;
+  virtual void ScheduledActionSendBeginMainFrame() OVERRIDE;
+  virtual DrawResult ScheduledActionDrawAndSwapIfPossible() OVERRIDE;
+  virtual DrawResult ScheduledActionDrawAndSwapForced() OVERRIDE;
+  virtual void ScheduledActionCommit() OVERRIDE;
+  virtual void ScheduledActionAnimate() OVERRIDE;
+  virtual void ScheduledActionUpdateVisibleTiles() OVERRIDE;
+  virtual void ScheduledActionActivatePendingTree() OVERRIDE;
+  virtual void ScheduledActionBeginOutputSurfaceCreation() OVERRIDE;
+  virtual void ScheduledActionManageTiles() OVERRIDE;
+  virtual void DidAnticipatedDrawTimeChange(base::TimeTicks time) OVERRIDE;
+  virtual base::TimeDelta DrawDurationEstimate() OVERRIDE;
+  virtual base::TimeDelta BeginMainFrameToCommitDurationEstimate() OVERRIDE;
+  virtual base::TimeDelta CommitToActivateDurationEstimate() OVERRIDE;
+  virtual void DidBeginImplFrameDeadline() OVERRIDE;
 
   // LayerTreeHostImplClient implementation
   virtual void UpdateRendererCapabilitiesOnImplThread() OVERRIDE;
   virtual void DidLoseOutputSurfaceOnImplThread() OVERRIDE;
   virtual void CommitVSyncParameters(base::TimeTicks timebase,
                                      base::TimeDelta interval) OVERRIDE {}
   virtual void SetEstimatedParentDrawTime(base::TimeDelta draw_time) OVERRIDE {}
   virtual void SetMaxSwapsPendingOnImplThread(int max) OVERRIDE {}
   virtual void DidSwapBuffersOnImplThread() OVERRIDE;
   virtual void DidSwapBuffersCompleteOnImplThread() OVERRIDE;
-  virtual void BeginFrame(const BeginFrameArgs& args) OVERRIDE {}
+  virtual void BeginFrame(const BeginFrameArgs& args) OVERRIDE;
   virtual void OnCanDrawStateChanged(bool can_draw) OVERRIDE;
   virtual void NotifyReadyToActivate() OVERRIDE;
   virtual void SetNeedsRedrawOnImplThread() OVERRIDE;
   virtual void SetNeedsRedrawRectOnImplThread(
       const gfx::Rect& dirty_rect) OVERRIDE;
   virtual void SetNeedsAnimateOnImplThread() OVERRIDE;
   virtual void SetNeedsManageTilesOnImplThread() OVERRIDE;
   virtual void DidInitializeVisibleTileOnImplThread() OVERRIDE;
   virtual void SetNeedsCommitOnImplThread() OVERRIDE;
   virtual void PostAnimationEventsToMainThreadOnImplThread(
       scoped_ptr<AnimationEventsVector> events) OVERRIDE;
   virtual bool ReduceContentsTextureMemoryOnImplThread(
       size_t limit_bytes,
       int priority_cutoff) OVERRIDE;
   virtual bool IsInsideDraw() OVERRIDE;
   virtual void RenewTreePriority() OVERRIDE {}
   virtual void PostDelayedScrollbarFadeOnImplThread(
       const base::Closure& start_fade,
       base::TimeDelta delay) OVERRIDE {}
-  virtual void DidActivatePendingTree() OVERRIDE {}
-  virtual void DidManageTiles() OVERRIDE {}
+  virtual void DidActivatePendingTree() OVERRIDE;
+  virtual void DidManageTiles() OVERRIDE;
   virtual void SetDebugState(const LayerTreeDebugState& debug_state) OVERRIDE {}
 
   // Attempts to create the context and renderer synchronously. Calls
   // LayerTreeHost::OnCreateAndInitializeOutputSurfaceAttempted with the result.
   void CreateAndInitializeOutputSurface();
 
   // Called by the legacy path where RenderWidget does the scheduling.
   void CompositeImmediately(base::TimeTicks frame_begin_time);
 
  private:
   SingleThreadProxy(LayerTreeHost* layer_tree_host,
                     LayerTreeHostSingleThreadClient* client);
 
-  void DoCommit(scoped_ptr<ResourceUpdateQueue> queue);
-  bool DoComposite(base::TimeTicks frame_begin_time,
-                   LayerTreeHostImpl::FrameData* frame);
-  void DidSwapFrame();
+  void DoCommit(base::TimeTicks frame_begin_time);
+  DrawResult DoComposite(base::TimeTicks frame_begin_time,
+                         LayerTreeHostImpl::FrameData* frame);
+  void DoSwap();
+  void DidCommitAndDrawFrame();
 
   bool ShouldComposite() const;
   void UpdateBackgroundAnimateTicking();
 
   // Accessed on main thread only.
   LayerTreeHost* layer_tree_host_;
   LayerTreeHostSingleThreadClient* client_;
 
   // Used on the Thread, but checked on main thread during
   // initialization/shutdown.
   scoped_ptr<LayerTreeHostImpl> layer_tree_host_impl_;
   RendererCapabilities renderer_capabilities_for_main_thread_;
 
+  // Accessed from both threads.
+  scoped_ptr<Scheduler> scheduler_on_impl_thread_;
+  ProxyTimingHistory timing_history_;
+
   bool next_frame_is_newly_committed_frame_;
 
   bool inside_draw_;
+  bool defer_commits_;
+  bool commit_was_deferred_;
+  bool commit_requested_;
+
+  base::WeakPtrFactory<SingleThreadProxy> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SingleThreadProxy);
 };
 
 // For use in the single-threaded case. In debug builds, it pretends that the
 // code is running on the impl thread to satisfy assertion checks.
 class DebugScopedSetImplThread {
  public:
   explicit DebugScopedSetImplThread(Proxy* proxy) : proxy_(proxy) {
 #if DCHECK_IS_ON
@@ skipping 48 matching lines @@
  private:
   DebugScopedSetImplThread impl_thread_;
   DebugScopedSetMainThreadBlocked main_thread_blocked_;
 
   DISALLOW_COPY_AND_ASSIGN(DebugScopedSetImplThreadAndMainThreadBlocked);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_SINGLE_THREAD_PROXY_H_