Chromium Code Reviews| OLD | NEW |
|---|---|
| 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 CCSchedulerStateMachine_h | 5 #ifndef CCSchedulerStateMachine_h |
| 6 #define CCSchedulerStateMachine_h | 6 #define CCSchedulerStateMachine_h |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 #include <wtf/Noncopyable.h> | |
| 10 | 9 |
| 11 namespace cc { | 10 namespace cc { |
| 12 | 11 |
| 13 // The CCSchedulerStateMachine decides how to coordinate main thread activites | 12 // The CCSchedulerStateMachine decides how to coordinate main thread activites |
| 14 // like painting/running javascript with rendering and input activities on the | 13 // like painting/running javascript with rendering and input activities on the |
| 15 // impl thread. | 14 // impl thread. |
| 16 // | 15 // |
| 17 // The state machine tracks internal state but is also influenced by external st ate. | 16 // The state machine tracks internal state but is also influenced by external st ate. |
| 18 // Internal state includes things like whether a frame has been requested, while | 17 // Internal state includes things like whether a frame has been requested, while |
| 19 // external state includes things like the current time being near to the vblank time. | 18 // external state includes things like the current time being near to the vblank time. |
| 20 // | 19 // |
| 21 // The scheduler seperates "what to do next" from the updating of its internal s tate to | 20 // The scheduler seperates "what to do next" from the updating of its internal s tate to |
| 22 // make testing cleaner. | 21 // make testing cleaner. |
| 23 class CCSchedulerStateMachine { | 22 class CCSchedulerStateMachine { |
|
jamesr
2012/09/28 20:37:06
this class should be noncopyable as well
tfarina
2012/09/28 20:48:04
Done.
| |
| 24 public: | 23 public: |
| 25 CCSchedulerStateMachine(); | 24 CCSchedulerStateMachine(); |
| 26 | 25 |
| 27 enum CommitState { | 26 enum CommitState { |
| 28 COMMIT_STATE_IDLE, | 27 COMMIT_STATE_IDLE, |
| 29 COMMIT_STATE_FRAME_IN_PROGRESS, | 28 COMMIT_STATE_FRAME_IN_PROGRESS, |
| 30 COMMIT_STATE_READY_TO_COMMIT, | 29 COMMIT_STATE_READY_TO_COMMIT, |
| 31 COMMIT_STATE_WAITING_FOR_FIRST_DRAW, | 30 COMMIT_STATE_WAITING_FOR_FIRST_DRAW, |
| 32 }; | 31 }; |
| 33 | 32 |
| (...skipping 115 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 149 bool m_canBeginFrame; | 148 bool m_canBeginFrame; |
| 150 bool m_canDraw; | 149 bool m_canDraw; |
| 151 bool m_drawIfPossibleFailed; | 150 bool m_drawIfPossibleFailed; |
| 152 TextureState m_textureState; | 151 TextureState m_textureState; |
| 153 ContextState m_contextState; | 152 ContextState m_contextState; |
| 154 }; | 153 }; |
| 155 | 154 |
| 156 } | 155 } |
| 157 | 156 |
| 158 #endif // CCSchedulerStateMachine_h | 157 #endif // CCSchedulerStateMachine_h |
| OLD | NEW |