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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_STATE_MACHINE_H_ | 5 #ifndef CC_SCHEDULER_SCHEDULER_STATE_MACHINE_H_ |
6 #define CC_SCHEDULER_SCHEDULER_STATE_MACHINE_H_ | 6 #define CC_SCHEDULER_SCHEDULER_STATE_MACHINE_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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119 static const char* ActionToString(Action action); | 119 static const char* ActionToString(Action action); |
120 | 120 |
121 scoped_refptr<base::trace_event::ConvertableToTraceFormat> AsValue() const; | 121 scoped_refptr<base::trace_event::ConvertableToTraceFormat> AsValue() const; |
122 void AsValueInto(base::trace_event::TracedValue* dict) const; | 122 void AsValueInto(base::trace_event::TracedValue* dict) const; |
123 | 123 |
124 Action NextAction() const; | 124 Action NextAction() const; |
125 void WillAnimate(); | 125 void WillAnimate(); |
126 void WillSendBeginMainFrame(); | 126 void WillSendBeginMainFrame(); |
127 void WillCommit(bool commit_had_no_updates); | 127 void WillCommit(bool commit_had_no_updates); |
128 void WillActivate(); | 128 void WillActivate(); |
129 void WillDraw(bool did_request_swap); | 129 void WillDraw(); |
130 void WillBeginOutputSurfaceCreation(); | 130 void WillBeginOutputSurfaceCreation(); |
131 void WillPrepareTiles(); | 131 void WillPrepareTiles(); |
132 void WillInvalidateOutputSurface(); | 132 void WillInvalidateOutputSurface(); |
133 | 133 |
| 134 void DidDraw(bool did_request_swap, DrawResult draw_result); |
| 135 |
134 // Indicates whether the impl thread needs a BeginImplFrame callback in order | 136 // Indicates whether the impl thread needs a BeginImplFrame callback in order |
135 // to make progress. | 137 // to make progress. |
136 bool BeginFrameNeeded() const; | 138 bool BeginFrameNeeded() const; |
137 | 139 |
138 // Indicates that the system has entered and left a BeginImplFrame callback. | 140 // Indicates that the system has entered and left a BeginImplFrame callback. |
139 // The scheduler will not draw more than once in a given BeginImplFrame | 141 // The scheduler will not draw more than once in a given BeginImplFrame |
140 // callback nor send more than one BeginMainFrame message. | 142 // callback nor send more than one BeginMainFrame message. |
141 void OnBeginImplFrame(); | 143 void OnBeginImplFrame(); |
142 void OnBeginImplFrameDeadlinePending(); | 144 void OnBeginImplFrameDeadlinePending(); |
143 // Indicates that the scheduler has entered the draw phase. The scheduler | 145 // Indicates that the scheduler has entered the draw phase. The scheduler |
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191 | 193 |
192 int pending_swaps() const { return pending_swaps_; } | 194 int pending_swaps() const { return pending_swaps_; } |
193 | 195 |
194 // Indicates whether to prioritize impl thread latency (i.e., animation | 196 // Indicates whether to prioritize impl thread latency (i.e., animation |
195 // smoothness) over new content activation. | 197 // smoothness) over new content activation. |
196 void SetImplLatencyTakesPriority(bool impl_latency_takes_priority); | 198 void SetImplLatencyTakesPriority(bool impl_latency_takes_priority); |
197 bool impl_latency_takes_priority() const { | 199 bool impl_latency_takes_priority() const { |
198 return impl_latency_takes_priority_; | 200 return impl_latency_takes_priority_; |
199 } | 201 } |
200 | 202 |
201 // Indicates whether ACTION_DRAW_AND_SWAP_IF_POSSIBLE drew to the screen. | |
202 void DidDrawIfPossibleCompleted(DrawResult result); | |
203 | |
204 // Indicates that a new begin main frame flow needs to be performed, either | 203 // Indicates that a new begin main frame flow needs to be performed, either |
205 // to pull updates from the main thread to the impl, or to push deltas from | 204 // to pull updates from the main thread to the impl, or to push deltas from |
206 // the impl thread to main. | 205 // the impl thread to main. |
207 void SetNeedsBeginMainFrame(); | 206 void SetNeedsBeginMainFrame(); |
208 bool needs_begin_main_frame() const { return needs_begin_main_frame_; } | 207 bool needs_begin_main_frame() const { return needs_begin_main_frame_; } |
209 | 208 |
210 // Requests a single impl frame (after the current frame if there is one | 209 // Requests a single impl frame (after the current frame if there is one |
211 // active). | 210 // active). |
212 void SetNeedsOneBeginImplFrame(); | 211 void SetNeedsOneBeginImplFrame(); |
213 | 212 |
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344 bool did_request_swap_in_last_frame_; | 343 bool did_request_swap_in_last_frame_; |
345 bool did_perform_swap_in_last_draw_; | 344 bool did_perform_swap_in_last_draw_; |
346 | 345 |
347 private: | 346 private: |
348 DISALLOW_COPY_AND_ASSIGN(SchedulerStateMachine); | 347 DISALLOW_COPY_AND_ASSIGN(SchedulerStateMachine); |
349 }; | 348 }; |
350 | 349 |
351 } // namespace cc | 350 } // namespace cc |
352 | 351 |
353 #endif // CC_SCHEDULER_SCHEDULER_STATE_MACHINE_H_ | 352 #endif // CC_SCHEDULER_SCHEDULER_STATE_MACHINE_H_ |
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