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| 1 // Copyright 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CC_TREES_SINGLE_THREAD_PROXY_H_ | |
| 6 #define CC_TREES_SINGLE_THREAD_PROXY_H_ | |
| 7 | |
| 8 #include <limits> | |
| 9 | |
| 10 #include "base/cancelable_callback.h" | |
| 11 #include "base/time/time.h" | |
| 12 #include "cc/animation/animation_events.h" | |
| 13 #include "cc/output/begin_frame_args.h" | |
| 14 #include "cc/scheduler/scheduler.h" | |
| 15 #include "cc/trees/blocking_task_runner.h" | |
| 16 #include "cc/trees/layer_tree_host_impl.h" | |
| 17 #include "cc/trees/proxy.h" | |
| 18 #include "cc/trees/proxy_timing_history.h" | |
| 19 | |
| 20 namespace cc { | |
| 21 | |
| 22 class BeginFrameSource; | |
| 23 class ContextProvider; | |
| 24 class LayerTreeHost; | |
| 25 class LayerTreeHostSingleThreadClient; | |
| 26 class ResourceUpdateQueue; | |
| 27 | |
| 28 class CC_EXPORT SingleThreadProxy : public Proxy, | |
| 29 NON_EXPORTED_BASE(LayerTreeHostImplClient), | |
| 30 SchedulerClient { | |
| 31 public: | |
| 32 static scoped_ptr<Proxy> Create( | |
| 33 LayerTreeHost* layer_tree_host, | |
| 34 LayerTreeHostSingleThreadClient* client, | |
| 35 scoped_refptr<base::SingleThreadTaskRunner> main_task_runner, | |
| 36 scoped_ptr<BeginFrameSource> external_begin_frame_source); | |
| 37 ~SingleThreadProxy() override; | |
| 38 | |
| 39 // Proxy implementation | |
| 40 void FinishAllRendering() override; | |
| 41 bool IsStarted() const override; | |
| 42 bool CommitToActiveTree() const override; | |
| 43 void SetOutputSurface(scoped_ptr<OutputSurface>) override; | |
| 44 void SetLayerTreeHostClientReady() override; | |
| 45 void SetVisible(bool visible) override; | |
| 46 void SetThrottleFrameProduction(bool throttle) override; | |
| 47 const RendererCapabilities& GetRendererCapabilities() const override; | |
| 48 void SetNeedsAnimate() override; | |
| 49 void SetNeedsUpdateLayers() override; | |
| 50 void SetNeedsCommit() override; | |
| 51 void SetNeedsRedraw(const gfx::Rect& damage_rect) override; | |
| 52 void SetNextCommitWaitsForActivation() override; | |
| 53 void NotifyInputThrottledUntilCommit() override {} | |
| 54 void SetDeferCommits(bool defer_commits) override; | |
| 55 bool CommitRequested() const override; | |
| 56 bool BeginMainFrameRequested() const override; | |
| 57 void MainThreadHasStoppedFlinging() override {} | |
| 58 void Start() override; | |
| 59 void Stop() override; | |
| 60 size_t MaxPartialTextureUpdates() const override; | |
| 61 void ForceSerializeOnSwapBuffers() override; | |
| 62 bool SupportsImplScrolling() const override; | |
| 63 bool MainFrameWillHappenForTesting() override; | |
| 64 void SetChildrenNeedBeginFrames(bool children_need_begin_frames) override; | |
| 65 | |
| 66 // SchedulerClient implementation | |
| 67 void WillBeginImplFrame(const BeginFrameArgs& args) override; | |
| 68 void ScheduledActionSendBeginMainFrame() override; | |
| 69 DrawResult ScheduledActionDrawAndSwapIfPossible() override; | |
| 70 DrawResult ScheduledActionDrawAndSwapForced() override; | |
| 71 void ScheduledActionCommit() override; | |
| 72 void ScheduledActionAnimate() override; | |
| 73 void ScheduledActionActivateSyncTree() override; | |
| 74 void ScheduledActionBeginOutputSurfaceCreation() override; | |
| 75 void ScheduledActionPrepareTiles() override; | |
| 76 void DidAnticipatedDrawTimeChange(base::TimeTicks time) override; | |
| 77 base::TimeDelta DrawDurationEstimate() override; | |
| 78 base::TimeDelta BeginMainFrameToCommitDurationEstimate() override; | |
| 79 base::TimeDelta CommitToActivateDurationEstimate() override; | |
| 80 void DidBeginImplFrameDeadline() override; | |
| 81 void SendBeginFramesToChildren(const BeginFrameArgs& args) override; | |
| 82 void SendBeginMainFrameNotExpectedSoon() override; | |
| 83 | |
| 84 // LayerTreeHostImplClient implementation | |
| 85 void UpdateRendererCapabilitiesOnImplThread() override; | |
| 86 void DidLoseOutputSurfaceOnImplThread() override; | |
| 87 void CommitVSyncParameters(base::TimeTicks timebase, | |
| 88 base::TimeDelta interval) override; | |
| 89 void SetEstimatedParentDrawTime(base::TimeDelta draw_time) override; | |
| 90 void SetMaxSwapsPendingOnImplThread(int max) override {} | |
| 91 void DidSwapBuffersOnImplThread() override; | |
| 92 void DidSwapBuffersCompleteOnImplThread() override; | |
| 93 void OnCanDrawStateChanged(bool can_draw) override; | |
| 94 void NotifyReadyToActivate() override; | |
| 95 void NotifyReadyToDraw() override; | |
| 96 void SetNeedsRedrawOnImplThread() override; | |
| 97 void SetNeedsRedrawRectOnImplThread(const gfx::Rect& dirty_rect) override; | |
| 98 void SetNeedsAnimateOnImplThread() override; | |
| 99 void SetNeedsPrepareTilesOnImplThread() override; | |
| 100 void SetNeedsCommitOnImplThread() override; | |
| 101 void PostAnimationEventsToMainThreadOnImplThread( | |
| 102 scoped_ptr<AnimationEventsVector> events) override; | |
| 103 bool ReduceContentsTextureMemoryOnImplThread(size_t limit_bytes, | |
| 104 int priority_cutoff) override; | |
| 105 bool IsInsideDraw() override; | |
| 106 void RenewTreePriority() override {} | |
| 107 void PostDelayedAnimationTaskOnImplThread(const base::Closure& task, | |
| 108 base::TimeDelta delay) override {} | |
| 109 void DidActivateSyncTree() override; | |
| 110 void DidPrepareTiles() override; | |
| 111 void DidCompletePageScaleAnimationOnImplThread() override; | |
| 112 void SetDebugState(const LayerTreeDebugState& debug_state) override {} | |
| 113 | |
| 114 void RequestNewOutputSurface(); | |
| 115 | |
| 116 // Called by the legacy path where RenderWidget does the scheduling. | |
| 117 void CompositeImmediately(base::TimeTicks frame_begin_time); | |
| 118 | |
| 119 protected: | |
| 120 SingleThreadProxy( | |
| 121 LayerTreeHost* layer_tree_host, | |
| 122 LayerTreeHostSingleThreadClient* client, | |
| 123 scoped_refptr<base::SingleThreadTaskRunner> main_task_runner, | |
| 124 scoped_ptr<BeginFrameSource> external_begin_frame_source); | |
| 125 | |
| 126 private: | |
| 127 void BeginMainFrame(); | |
| 128 void BeginMainFrameAbortedOnImplThread(CommitEarlyOutReason reason); | |
| 129 void DoAnimate(); | |
| 130 void DoBeginMainFrame(const BeginFrameArgs& begin_frame_args); | |
| 131 void DoCommit(); | |
| 132 DrawResult DoComposite(base::TimeTicks frame_begin_time, | |
| 133 LayerTreeHostImpl::FrameData* frame); | |
| 134 void DoSwap(); | |
| 135 void DidCommitAndDrawFrame(); | |
| 136 void CommitComplete(); | |
| 137 | |
| 138 bool ShouldComposite() const; | |
| 139 void ScheduleRequestNewOutputSurface(); | |
| 140 | |
| 141 // Accessed on main thread only. | |
| 142 LayerTreeHost* layer_tree_host_; | |
| 143 LayerTreeHostSingleThreadClient* client_; | |
| 144 | |
| 145 // Used on the Thread, but checked on main thread during | |
| 146 // initialization/shutdown. | |
| 147 scoped_ptr<LayerTreeHostImpl> layer_tree_host_impl_; | |
| 148 RendererCapabilities renderer_capabilities_for_main_thread_; | |
| 149 | |
| 150 // Accessed from both threads. | |
| 151 scoped_ptr<Scheduler> scheduler_on_impl_thread_; | |
| 152 ProxyTimingHistory timing_history_; | |
| 153 | |
| 154 scoped_ptr<BlockingTaskRunner::CapturePostTasks> commit_blocking_task_runner_; | |
| 155 scoped_ptr<ResourceUpdateQueue> queue_for_commit_; | |
| 156 bool next_frame_is_newly_committed_frame_; | |
| 157 | |
| 158 bool inside_draw_; | |
| 159 bool defer_commits_; | |
| 160 bool commit_requested_; | |
| 161 bool inside_synchronous_composite_; | |
| 162 | |
| 163 // True if a request to the LayerTreeHostClient to create an output surface | |
| 164 // is still outstanding. | |
| 165 bool output_surface_creation_requested_; | |
| 166 | |
| 167 // This is the callback for the scheduled RequestNewOutputSurface. | |
| 168 base::CancelableClosure output_surface_creation_callback_; | |
| 169 | |
| 170 scoped_ptr<BeginFrameSource> external_begin_frame_source_; | |
| 171 | |
| 172 base::WeakPtrFactory<SingleThreadProxy> weak_factory_; | |
| 173 | |
| 174 DISALLOW_COPY_AND_ASSIGN(SingleThreadProxy); | |
| 175 }; | |
| 176 | |
| 177 // For use in the single-threaded case. In debug builds, it pretends that the | |
| 178 // code is running on the impl thread to satisfy assertion checks. | |
| 179 class DebugScopedSetImplThread { | |
| 180 public: | |
| 181 explicit DebugScopedSetImplThread(Proxy* proxy) : proxy_(proxy) { | |
| 182 #if DCHECK_IS_ON() | |
| 183 previous_value_ = proxy_->impl_thread_is_overridden_; | |
| 184 proxy_->SetCurrentThreadIsImplThread(true); | |
| 185 #endif | |
| 186 } | |
| 187 ~DebugScopedSetImplThread() { | |
| 188 #if DCHECK_IS_ON() | |
| 189 proxy_->SetCurrentThreadIsImplThread(previous_value_); | |
| 190 #endif | |
| 191 } | |
| 192 | |
| 193 private: | |
| 194 bool previous_value_; | |
| 195 Proxy* proxy_; | |
| 196 | |
| 197 DISALLOW_COPY_AND_ASSIGN(DebugScopedSetImplThread); | |
| 198 }; | |
| 199 | |
| 200 // For use in the single-threaded case. In debug builds, it pretends that the | |
| 201 // code is running on the main thread to satisfy assertion checks. | |
| 202 class DebugScopedSetMainThread { | |
| 203 public: | |
| 204 explicit DebugScopedSetMainThread(Proxy* proxy) : proxy_(proxy) { | |
| 205 #if DCHECK_IS_ON() | |
| 206 previous_value_ = proxy_->impl_thread_is_overridden_; | |
| 207 proxy_->SetCurrentThreadIsImplThread(false); | |
| 208 #endif | |
| 209 } | |
| 210 ~DebugScopedSetMainThread() { | |
| 211 #if DCHECK_IS_ON() | |
| 212 proxy_->SetCurrentThreadIsImplThread(previous_value_); | |
| 213 #endif | |
| 214 } | |
| 215 | |
| 216 private: | |
| 217 bool previous_value_; | |
| 218 Proxy* proxy_; | |
| 219 | |
| 220 DISALLOW_COPY_AND_ASSIGN(DebugScopedSetMainThread); | |
| 221 }; | |
| 222 | |
| 223 // For use in the single-threaded case. In debug builds, it pretends that the | |
| 224 // code is running on the impl thread and that the main thread is blocked to | |
| 225 // satisfy assertion checks | |
| 226 class DebugScopedSetImplThreadAndMainThreadBlocked { | |
| 227 public: | |
| 228 explicit DebugScopedSetImplThreadAndMainThreadBlocked(Proxy* proxy) | |
| 229 : impl_thread_(proxy), main_thread_blocked_(proxy) {} | |
| 230 | |
| 231 private: | |
| 232 DebugScopedSetImplThread impl_thread_; | |
| 233 DebugScopedSetMainThreadBlocked main_thread_blocked_; | |
| 234 | |
| 235 DISALLOW_COPY_AND_ASSIGN(DebugScopedSetImplThreadAndMainThreadBlocked); | |
| 236 }; | |
| 237 | |
| 238 } // namespace cc | |
| 239 | |
| 240 #endif // CC_TREES_SINGLE_THREAD_PROXY_H_ | |
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Chromium Code Reviews
Issue 1057283003:
Remove parts of //cc we aren't using (Closed)
Base URL: git@github.com:domokit/mojo.git@master