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Side by Side Diff: cc/scheduler/scheduler_state_machine.h

Issue 1020993002: cc: Do not pass BeginFrameArgs to state machine. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 9 months ago
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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"
11 #include "base/memory/scoped_ptr.h" 11 #include "base/memory/scoped_ptr.h"
12 #include "base/time/time.h"
13 #include "cc/base/cc_export.h" 12 #include "cc/base/cc_export.h"
14 #include "cc/output/begin_frame_args.h" 13 #include "cc/output/begin_frame_args.h"
15 #include "cc/scheduler/commit_earlyout_reason.h" 14 #include "cc/scheduler/commit_earlyout_reason.h"
16 #include "cc/scheduler/draw_result.h" 15 #include "cc/scheduler/draw_result.h"
17 #include "cc/scheduler/scheduler_settings.h" 16 #include "cc/scheduler/scheduler_settings.h"
18 17
19 namespace base { 18 namespace base {
20 namespace trace_event { 19 namespace trace_event {
21 class ConvertableToTraceFormat; 20 class ConvertableToTraceFormat;
22 class TracedValue; 21 class TracedValue;
(...skipping 85 matching lines...) Expand 10 before | Expand all | Expand 10 after
108 ACTION_ACTIVATE_SYNC_TREE, 107 ACTION_ACTIVATE_SYNC_TREE,
109 ACTION_DRAW_AND_SWAP_IF_POSSIBLE, 108 ACTION_DRAW_AND_SWAP_IF_POSSIBLE,
110 ACTION_DRAW_AND_SWAP_FORCED, 109 ACTION_DRAW_AND_SWAP_FORCED,
111 ACTION_DRAW_AND_SWAP_ABORT, 110 ACTION_DRAW_AND_SWAP_ABORT,
112 ACTION_BEGIN_OUTPUT_SURFACE_CREATION, 111 ACTION_BEGIN_OUTPUT_SURFACE_CREATION,
113 ACTION_PREPARE_TILES, 112 ACTION_PREPARE_TILES,
114 }; 113 };
115 static const char* ActionToString(Action action); 114 static const char* ActionToString(Action action);
116 115
117 scoped_refptr<base::trace_event::ConvertableToTraceFormat> AsValue() const; 116 scoped_refptr<base::trace_event::ConvertableToTraceFormat> AsValue() const;
118 void AsValueInto(base::trace_event::TracedValue* dict, 117 void AsValueInto(base::trace_event::TracedValue* dict) const;
119 base::TimeTicks now) const;
120 118
121 Action NextAction() const; 119 Action NextAction() const;
122 void UpdateState(Action action); 120 void UpdateState(Action action);
123 121
124 // Indicates whether the impl thread needs a BeginImplFrame callback in order 122 // Indicates whether the impl thread needs a BeginImplFrame callback in order
125 // to make progress. 123 // to make progress.
126 bool BeginFrameNeeded() const; 124 bool BeginFrameNeeded() const;
127 125
128 // Indicates whether the scheduler should call 126 // Indicates whether the scheduler should call
129 // SetNeedsBeginFrames(BeginFrameNeeded()) on the frame source. 127 // SetNeedsBeginFrames(BeginFrameNeeded()) on the frame source.
130 bool ShouldSetNeedsBeginFrames(bool frame_source_needs_begin_frames) const; 128 bool ShouldSetNeedsBeginFrames(bool frame_source_needs_begin_frames) const;
131 129
132 // Indicates that we need to independently poll for new state and actions 130 // Indicates that we need to independently poll for new state and actions
133 // because we can't expect a BeginImplFrame. This is mostly used to avoid 131 // because we can't expect a BeginImplFrame. This is mostly used to avoid
134 // drawing repeat frames with the synchronous compositor without dropping 132 // drawing repeat frames with the synchronous compositor without dropping
135 // necessary actions on the floor. 133 // necessary actions on the floor.
136 bool ShouldPollForAnticipatedDrawTriggers() const; 134 bool ShouldPollForAnticipatedDrawTriggers() const;
137 135
138 // Indicates that the system has entered and left a BeginImplFrame callback. 136 // Indicates that the system has entered and left a BeginImplFrame callback.
139 // The scheduler will not draw more than once in a given BeginImplFrame 137 // The scheduler will not draw more than once in a given BeginImplFrame
140 // callback nor send more than one BeginMainFrame message. 138 // callback nor send more than one BeginMainFrame message.
141 void OnBeginImplFrame(const BeginFrameArgs& args); 139 void OnBeginImplFrame();
142 void OnBeginImplFrameDeadlinePending(); 140 void OnBeginImplFrameDeadlinePending();
143 void OnBeginImplFrameDeadline(); 141 void OnBeginImplFrameDeadline();
144 void OnBeginImplFrameIdle(); 142 void OnBeginImplFrameIdle();
145 BeginImplFrameState begin_impl_frame_state() const { 143 BeginImplFrameState begin_impl_frame_state() const {
146 return begin_impl_frame_state_; 144 return begin_impl_frame_state_;
147 } 145 }
148 BeginImplFrameDeadlineMode CurrentBeginImplFrameDeadlineMode() const; 146 BeginImplFrameDeadlineMode CurrentBeginImplFrameDeadlineMode() const;
149 147
150 // If the main thread didn't manage to produce a new frame in time for the 148 // If the main thread didn't manage to produce a new frame in time for the
151 // impl thread to draw, it is in a high latency mode. 149 // impl thread to draw, it is in a high latency mode.
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294 void UpdateStateOnDraw(bool did_request_swap); 292 void UpdateStateOnDraw(bool did_request_swap);
295 void UpdateStateOnPrepareTiles(); 293 void UpdateStateOnPrepareTiles();
296 294
297 const SchedulerSettings settings_; 295 const SchedulerSettings settings_;
298 296
299 OutputSurfaceState output_surface_state_; 297 OutputSurfaceState output_surface_state_;
300 BeginImplFrameState begin_impl_frame_state_; 298 BeginImplFrameState begin_impl_frame_state_;
301 CommitState commit_state_; 299 CommitState commit_state_;
302 ForcedRedrawOnTimeoutState forced_redraw_state_; 300 ForcedRedrawOnTimeoutState forced_redraw_state_;
303 301
304 BeginFrameArgs begin_impl_frame_args_;
305
306 int commit_count_; 302 int commit_count_;
307 int current_frame_number_; 303 int current_frame_number_;
308 int last_frame_number_animate_performed_; 304 int last_frame_number_animate_performed_;
309 int last_frame_number_swap_performed_; 305 int last_frame_number_swap_performed_;
310 int last_frame_number_swap_requested_; 306 int last_frame_number_swap_requested_;
311 int last_frame_number_begin_main_frame_sent_; 307 int last_frame_number_begin_main_frame_sent_;
312 308
313 // prepare_tiles_funnel_ is "filled" each time PrepareTiles is called 309 // prepare_tiles_funnel_ is "filled" each time PrepareTiles is called
314 // and "drained" on each BeginImplFrame. If the funnel gets too full, 310 // and "drained" on each BeginImplFrame. If the funnel gets too full,
315 // we start throttling ACTION_PREPARE_TILES such that we average one 311 // we start throttling ACTION_PREPARE_TILES such that we average one
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338 bool children_need_begin_frames_; 334 bool children_need_begin_frames_;
339 bool defer_commits_; 335 bool defer_commits_;
340 336
341 private: 337 private:
342 DISALLOW_COPY_AND_ASSIGN(SchedulerStateMachine); 338 DISALLOW_COPY_AND_ASSIGN(SchedulerStateMachine);
343 }; 339 };
344 340
345 } // namespace cc 341 } // namespace cc
346 342
347 #endif // CC_SCHEDULER_SCHEDULER_STATE_MACHINE_H_ 343 #endif // CC_SCHEDULER_SCHEDULER_STATE_MACHINE_H_
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