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

Issue 1057283003: Remove parts of //cc we aren't using (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 8 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 "cc/base/cc_export.h"
13 #include "cc/output/begin_frame_args.h" 12 #include "cc/output/begin_frame_args.h"
14 #include "cc/scheduler/commit_earlyout_reason.h" 13 #include "cc/scheduler/commit_earlyout_reason.h"
15 #include "cc/scheduler/draw_result.h" 14 #include "cc/scheduler/draw_result.h"
16 #include "cc/scheduler/scheduler_settings.h" 15 #include "cc/scheduler/scheduler_settings.h"
17 16
18 namespace base { 17 namespace base {
19 namespace trace_event { 18 namespace trace_event {
20 class ConvertableToTraceFormat; 19 class ConvertableToTraceFormat;
21 class TracedValue; 20 class TracedValue;
22 } 21 }
23 class Value; 22 class Value;
24 } 23 }
25 24
26 namespace cc { 25 namespace cc {
27 26
28 // The SchedulerStateMachine decides how to coordinate main thread activites 27 // The SchedulerStateMachine decides how to coordinate main thread activites
29 // like painting/running javascript with rendering and input activities on the 28 // like painting/running javascript with rendering and input activities on the
30 // impl thread. 29 // impl thread.
31 // 30 //
32 // The state machine tracks internal state but is also influenced by external 31 // The state machine tracks internal state but is also influenced by external
33 // state. Internal state includes things like whether a frame has been 32 // state. Internal state includes things like whether a frame has been
34 // requested, while external state includes things like the current time being 33 // requested, while external state includes things like the current time being
35 // near to the vblank time. 34 // near to the vblank time.
36 // 35 //
37 // The scheduler seperates "what to do next" from the updating of its internal 36 // The scheduler seperates "what to do next" from the updating of its internal
38 // state to make testing cleaner. 37 // state to make testing cleaner.
39 class CC_EXPORT SchedulerStateMachine { 38 class SchedulerStateMachine {
40 public: 39 public:
41 // settings must be valid for the lifetime of this class. 40 // settings must be valid for the lifetime of this class.
42 explicit SchedulerStateMachine(const SchedulerSettings& settings); 41 explicit SchedulerStateMachine(const SchedulerSettings& settings);
43 42
44 enum OutputSurfaceState { 43 enum OutputSurfaceState {
45 OUTPUT_SURFACE_ACTIVE, 44 OUTPUT_SURFACE_ACTIVE,
46 OUTPUT_SURFACE_LOST, 45 OUTPUT_SURFACE_LOST,
47 OUTPUT_SURFACE_CREATING, 46 OUTPUT_SURFACE_CREATING,
48 OUTPUT_SURFACE_WAITING_FOR_FIRST_COMMIT, 47 OUTPUT_SURFACE_WAITING_FOR_FIRST_COMMIT,
49 OUTPUT_SURFACE_WAITING_FOR_FIRST_ACTIVATION, 48 OUTPUT_SURFACE_WAITING_FOR_FIRST_ACTIVATION,
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334 bool defer_commits_; 333 bool defer_commits_;
335 bool last_commit_had_no_updates_; 334 bool last_commit_had_no_updates_;
336 335
337 private: 336 private:
338 DISALLOW_COPY_AND_ASSIGN(SchedulerStateMachine); 337 DISALLOW_COPY_AND_ASSIGN(SchedulerStateMachine);
339 }; 338 };
340 339
341 } // namespace cc 340 } // namespace cc
342 341
343 #endif // CC_SCHEDULER_SCHEDULER_STATE_MACHINE_H_ 342 #endif // CC_SCHEDULER_SCHEDULER_STATE_MACHINE_H_
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