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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 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> | 9 #include <wtf/Noncopyable.h> |
10 | 10 |
11 namespace WebCore { | 11 namespace cc { |
12 | 12 |
13 // The CCSchedulerStateMachine decides how to coordinate main thread activites | 13 // The CCSchedulerStateMachine decides how to coordinate main thread activites |
14 // like painting/running javascript with rendering and input activities on the | 14 // like painting/running javascript with rendering and input activities on the |
15 // impl thread. | 15 // impl thread. |
16 // | 16 // |
17 // The state machine tracks internal state but is also influenced by external st
ate. | 17 // 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 | 18 // 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. | 19 // external state includes things like the current time being near to the vblank
time. |
20 // | 20 // |
21 // The scheduler seperates "what to do next" from the updating of its internal s
tate to | 21 // The scheduler seperates "what to do next" from the updating of its internal s
tate to |
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157 bool m_canBeginFrame; | 157 bool m_canBeginFrame; |
158 bool m_canDraw; | 158 bool m_canDraw; |
159 bool m_drawIfPossibleFailed; | 159 bool m_drawIfPossibleFailed; |
160 TextureState m_textureState; | 160 TextureState m_textureState; |
161 ContextState m_contextState; | 161 ContextState m_contextState; |
162 }; | 162 }; |
163 | 163 |
164 } | 164 } |
165 | 165 |
166 #endif // CCSchedulerStateMachine_h | 166 #endif // CCSchedulerStateMachine_h |
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