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

Issue 16863005: cc: Add BeginFrameArgs (Closed) Base URL: http://git.chromium.org/chromium/src.git@nofrc12
Patch Set: Created 7 years, 6 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/time.h" 11 #include "base/time.h"
12 #include "cc/base/cc_export.h" 12 #include "cc/base/cc_export.h"
13 #include "cc/output/begin_frame_args.h"
13 #include "cc/scheduler/scheduler_settings.h" 14 #include "cc/scheduler/scheduler_settings.h"
14 15
15 namespace cc { 16 namespace cc {
16 17
17 // The SchedulerStateMachine decides how to coordinate main thread activites 18 // The SchedulerStateMachine decides how to coordinate main thread activites
18 // like painting/running javascript with rendering and input activities on the 19 // like painting/running javascript with rendering and input activities on the
19 // impl thread. 20 // impl thread.
20 // 21 //
21 // The state machine tracks internal state but is also influenced by external 22 // The state machine tracks internal state but is also influenced by external
22 // state. Internal state includes things like whether a frame has been 23 // state. Internal state includes things like whether a frame has been
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71 Action NextAction() const; 72 Action NextAction() const;
72 void UpdateState(Action action); 73 void UpdateState(Action action);
73 74
74 // Indicates whether the main thread needs a begin frame callback in order to 75 // Indicates whether the main thread needs a begin frame callback in order to
75 // make progress. 76 // make progress.
76 bool BeginFrameNeededByImplThread() const; 77 bool BeginFrameNeededByImplThread() const;
77 78
78 // Indicates that the system has entered and left a BeginFrame callback. 79 // Indicates that the system has entered and left a BeginFrame callback.
79 // The scheduler will not draw more than once in a given BeginFrame 80 // The scheduler will not draw more than once in a given BeginFrame
80 // callback. 81 // callback.
81 void DidEnterBeginFrame(); 82 void DidEnterBeginFrame(BeginFrameArgs args);
82 void SetFrameTime(base::TimeTicks frame_time);
83 void DidLeaveBeginFrame(); 83 void DidLeaveBeginFrame();
84 bool inside_begin_frame() const { return inside_begin_frame_; } 84 bool inside_begin_frame() const { return inside_begin_frame_; }
85 85
86 // Indicates whether the LayerTreeHostImpl is visible. 86 // Indicates whether the LayerTreeHostImpl is visible.
87 void SetVisible(bool visible); 87 void SetVisible(bool visible);
88 88
89 // Indicates that a redraw is required, either due to the impl tree changing 89 // Indicates that a redraw is required, either due to the impl tree changing
90 // or the screen being damaged and simply needing redisplay. 90 // or the screen being damaged and simply needing redisplay.
91 void SetNeedsRedraw(); 91 void SetNeedsRedraw();
92 92
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181 int maximum_number_of_failed_draws_before_draw_is_forced_; 181 int maximum_number_of_failed_draws_before_draw_is_forced_;
182 bool needs_redraw_; 182 bool needs_redraw_;
183 bool swap_used_incomplete_tile_; 183 bool swap_used_incomplete_tile_;
184 bool needs_forced_redraw_; 184 bool needs_forced_redraw_;
185 bool needs_forced_redraw_after_next_commit_; 185 bool needs_forced_redraw_after_next_commit_;
186 bool needs_commit_; 186 bool needs_commit_;
187 bool needs_forced_commit_; 187 bool needs_forced_commit_;
188 bool expect_immediate_begin_frame_for_main_thread_; 188 bool expect_immediate_begin_frame_for_main_thread_;
189 bool main_thread_needs_layer_textures_; 189 bool main_thread_needs_layer_textures_;
190 bool inside_begin_frame_; 190 bool inside_begin_frame_;
191 base::TimeTicks last_frame_time_; 191 BeginFrameArgs last_begin_frame_args_;
192 bool visible_; 192 bool visible_;
193 bool can_start_; 193 bool can_start_;
194 bool can_draw_; 194 bool can_draw_;
195 bool has_pending_tree_; 195 bool has_pending_tree_;
196 bool draw_if_possible_failed_; 196 bool draw_if_possible_failed_;
197 TextureState texture_state_; 197 TextureState texture_state_;
198 OutputSurfaceState output_surface_state_; 198 OutputSurfaceState output_surface_state_;
199 bool did_create_and_initialize_first_output_surface_; 199 bool did_create_and_initialize_first_output_surface_;
200 200
201 private: 201 private:
202 DISALLOW_COPY_AND_ASSIGN(SchedulerStateMachine); 202 DISALLOW_COPY_AND_ASSIGN(SchedulerStateMachine);
203 }; 203 };
204 204
205 } // namespace cc 205 } // namespace cc
206 206
207 #endif // CC_SCHEDULER_SCHEDULER_STATE_MACHINE_H_ 207 #endif // CC_SCHEDULER_SCHEDULER_STATE_MACHINE_H_
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