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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CC_SCHEDULER_SCHEDULER_H_ | 5 #ifndef CC_SCHEDULER_SCHEDULER_H_ |
6 #define CC_SCHEDULER_SCHEDULER_H_ | 6 #define CC_SCHEDULER_SCHEDULER_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 #include <string> | 9 #include <string> |
10 | 10 |
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92 | 92 |
93 ~Scheduler() override; | 93 ~Scheduler() override; |
94 | 94 |
95 // BeginFrameObserverMixin | 95 // BeginFrameObserverMixin |
96 bool OnBeginFrameMixInDelegate(const BeginFrameArgs& args) override; | 96 bool OnBeginFrameMixInDelegate(const BeginFrameArgs& args) override; |
97 | 97 |
98 void OnDrawForOutputSurface(); | 98 void OnDrawForOutputSurface(); |
99 | 99 |
100 const SchedulerSettings& settings() const { return settings_; } | 100 const SchedulerSettings& settings() const { return settings_; } |
101 | 101 |
| 102 void SetAuthoritativeVSyncInterval(const base::TimeDelta& interval); |
102 void CommitVSyncParameters(base::TimeTicks timebase, | 103 void CommitVSyncParameters(base::TimeTicks timebase, |
103 base::TimeDelta interval); | 104 base::TimeDelta interval); |
104 void SetEstimatedParentDrawTime(base::TimeDelta draw_time); | 105 void SetEstimatedParentDrawTime(base::TimeDelta draw_time); |
105 | 106 |
106 void SetCanStart(); | 107 void SetCanStart(); |
107 | 108 |
108 void SetVisible(bool visible); | 109 void SetVisible(bool visible); |
109 void SetCanDraw(bool can_draw); | 110 void SetCanDraw(bool can_draw); |
110 void NotifyReadyToActivate(); | 111 void NotifyReadyToActivate(); |
111 void NotifyReadyToDraw(); | 112 void NotifyReadyToDraw(); |
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139 bool MainFrameForTestingWillHappen() const { | 140 bool MainFrameForTestingWillHappen() const { |
140 return state_machine_.CommitPending() || | 141 return state_machine_.CommitPending() || |
141 state_machine_.CouldSendBeginMainFrame(); | 142 state_machine_.CouldSendBeginMainFrame(); |
142 } | 143 } |
143 | 144 |
144 bool CommitPending() const { return state_machine_.CommitPending(); } | 145 bool CommitPending() const { return state_machine_.CommitPending(); } |
145 bool RedrawPending() const { return state_machine_.RedrawPending(); } | 146 bool RedrawPending() const { return state_machine_.RedrawPending(); } |
146 bool PrepareTilesPending() const { | 147 bool PrepareTilesPending() const { |
147 return state_machine_.PrepareTilesPending(); | 148 return state_machine_.PrepareTilesPending(); |
148 } | 149 } |
149 bool MainThreadIsInHighLatencyMode() const { | |
150 return state_machine_.MainThreadIsInHighLatencyMode(); | |
151 } | |
152 bool BeginImplFrameDeadlinePending() const { | |
153 return !begin_impl_frame_deadline_task_.IsCancelled(); | |
154 } | |
155 | 150 |
156 base::TimeTicks AnticipatedDrawTime() const; | 151 base::TimeTicks AnticipatedDrawTime() const; |
157 | 152 |
158 void NotifyBeginMainFrameStarted(); | 153 void NotifyBeginMainFrameStarted(); |
159 | 154 |
160 base::TimeTicks LastBeginImplFrameTime(); | 155 base::TimeTicks LastBeginImplFrameTime(); |
161 | 156 |
162 void SetDeferCommits(bool defer_commits); | 157 void SetDeferCommits(bool defer_commits); |
163 | 158 |
164 scoped_refptr<base::trace_event::ConvertableToTraceFormat> AsValue() const; | 159 scoped_refptr<base::trace_event::ConvertableToTraceFormat> AsValue() const; |
165 void AsValueInto(base::trace_event::TracedValue* value) const override; | 160 void AsValueInto(base::trace_event::TracedValue* value) const override; |
166 | 161 |
167 void SetContinuousPainting(bool continuous_painting) { | 162 void SetContinuousPainting(bool continuous_painting) { |
168 state_machine_.SetContinuousPainting(continuous_painting); | 163 state_machine_.SetContinuousPainting(continuous_painting); |
169 } | 164 } |
170 | 165 |
171 void SetChildrenNeedBeginFrames(bool children_need_begin_frames); | 166 void SetChildrenNeedBeginFrames(bool children_need_begin_frames); |
172 void SetVideoNeedsBeginFrames(bool video_needs_begin_frames); | 167 void SetVideoNeedsBeginFrames(bool video_needs_begin_frames); |
173 | 168 |
174 void SetAuthoritativeVSyncInterval(const base::TimeDelta& interval); | |
175 | |
176 protected: | 169 protected: |
177 Scheduler(SchedulerClient* client, | 170 Scheduler(SchedulerClient* client, |
178 const SchedulerSettings& scheduler_settings, | 171 const SchedulerSettings& scheduler_settings, |
179 int layer_tree_host_id, | 172 int layer_tree_host_id, |
180 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, | 173 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, |
181 scoped_ptr<BeginFrameSource> external_begin_frame_source, | 174 scoped_ptr<BeginFrameSource> external_begin_frame_source, |
182 SchedulerFrameSourcesConstructor* frame_sources_constructor); | 175 SchedulerFrameSourcesConstructor* frame_sources_constructor); |
183 | 176 |
184 // virtual for testing - Don't call these in the constructor or | 177 // virtual for testing - Don't call these in the constructor or |
185 // destructor! | 178 // destructor! |
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215 base::Closure begin_impl_frame_deadline_closure_; | 208 base::Closure begin_impl_frame_deadline_closure_; |
216 base::Closure advance_commit_state_closure_; | 209 base::Closure advance_commit_state_closure_; |
217 base::CancelableClosure begin_retro_frame_task_; | 210 base::CancelableClosure begin_retro_frame_task_; |
218 base::CancelableClosure begin_impl_frame_deadline_task_; | 211 base::CancelableClosure begin_impl_frame_deadline_task_; |
219 base::CancelableClosure advance_commit_state_task_; | 212 base::CancelableClosure advance_commit_state_task_; |
220 | 213 |
221 SchedulerStateMachine state_machine_; | 214 SchedulerStateMachine state_machine_; |
222 bool inside_process_scheduled_actions_; | 215 bool inside_process_scheduled_actions_; |
223 SchedulerStateMachine::Action inside_action_; | 216 SchedulerStateMachine::Action inside_action_; |
224 | 217 |
| 218 protected: |
| 219 bool BeginImplFrameDeadlinePending() const { |
| 220 return !begin_impl_frame_deadline_task_.IsCancelled(); |
| 221 } |
| 222 |
225 private: | 223 private: |
226 void ScheduleBeginImplFrameDeadline(); | 224 void ScheduleBeginImplFrameDeadline(); |
227 void ScheduleBeginImplFrameDeadlineIfNeeded(); | 225 void ScheduleBeginImplFrameDeadlineIfNeeded(); |
228 void SetupNextBeginFrameIfNeeded(); | 226 void SetupNextBeginFrameIfNeeded(); |
229 void PostBeginRetroFrameIfNeeded(); | 227 void PostBeginRetroFrameIfNeeded(); |
230 void SetupPollingMechanisms(); | 228 void SetupPollingMechanisms(); |
231 void DrawAndSwapIfPossible(); | 229 void DrawAndSwapIfPossible(); |
232 void ProcessScheduledActions(); | 230 void ProcessScheduledActions(); |
233 bool CanCommitAndActivateBeforeDeadline() const; | 231 bool CanCommitAndActivateBeforeDeadline() const; |
| 232 bool CanDrawBeforeDeadline() const; |
234 void AdvanceCommitStateIfPossible(); | 233 void AdvanceCommitStateIfPossible(); |
235 bool IsBeginMainFrameSentOrStarted() const; | 234 bool IsBeginMainFrameSentOrStarted() const; |
236 void BeginRetroFrame(); | 235 void BeginRetroFrame(); |
237 void BeginImplFrameWithDeadline(const BeginFrameArgs& args); | 236 void BeginImplFrameWithDeadline(const BeginFrameArgs& args); |
238 void BeginImplFrameSynchronous(const BeginFrameArgs& args); | 237 void BeginImplFrameSynchronous(const BeginFrameArgs& args); |
239 void BeginImplFrame(); | 238 void BeginImplFrame(); |
240 void FinishImplFrame(); | 239 void FinishImplFrame(); |
241 void OnBeginImplFrameDeadline(); | 240 void OnBeginImplFrameDeadline(); |
| 241 |
242 void PollToAdvanceCommitState(); | 242 void PollToAdvanceCommitState(); |
243 | 243 |
244 base::TimeDelta EstimatedParentDrawTime() { | 244 base::TimeDelta EstimatedParentDrawTime() { |
245 return estimated_parent_draw_time_; | 245 return estimated_parent_draw_time_; |
246 } | 246 } |
247 | 247 |
248 bool IsInsideAction(SchedulerStateMachine::Action action) { | 248 bool IsInsideAction(SchedulerStateMachine::Action action) { |
249 return inside_action_ == action; | 249 return inside_action_ == action; |
250 } | 250 } |
251 | 251 |
252 base::WeakPtrFactory<Scheduler> weak_factory_; | 252 base::WeakPtrFactory<Scheduler> weak_factory_; |
253 | 253 |
254 friend class SchedulerFrameSourcesConstructor; | 254 friend class SchedulerFrameSourcesConstructor; |
255 friend class TestSchedulerFrameSourcesConstructor; | 255 friend class TestSchedulerFrameSourcesConstructor; |
256 | 256 |
257 DISALLOW_COPY_AND_ASSIGN(Scheduler); | 257 DISALLOW_COPY_AND_ASSIGN(Scheduler); |
258 }; | 258 }; |
259 | 259 |
260 } // namespace cc | 260 } // namespace cc |
261 | 261 |
262 #endif // CC_SCHEDULER_SCHEDULER_H_ | 262 #endif // CC_SCHEDULER_SCHEDULER_H_ |
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