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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 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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86 // Indicates whether ACTION_DRAW_IF_POSSIBLE drew to the screen or not. | 86 // Indicates whether ACTION_DRAW_IF_POSSIBLE drew to the screen or not. |
87 void didDrawIfPossibleCompleted(bool success); | 87 void didDrawIfPossibleCompleted(bool success); |
88 | 88 |
89 // Indicates that a new commit flow needs to be performed, either to pull | 89 // Indicates that a new commit flow needs to be performed, either to pull |
90 // updates from the main thread to the impl, or to push deltas from the impl | 90 // updates from the main thread to the impl, or to push deltas from the impl |
91 // thread to main. | 91 // thread to main. |
92 void setNeedsCommit(); | 92 void setNeedsCommit(); |
93 | 93 |
94 // As setNeedsCommit(), but ensures the beginFrame will definitely happen ev
en if | 94 // As setNeedsCommit(), but ensures the beginFrame will definitely happen ev
en if |
95 // we are not visible. | 95 // we are not visible. |
| 96 // After this call we expect to go through the forced commit flow and then r
eturn |
| 97 // to waiting for a non-forced beginFrame to finish. |
96 void setNeedsForcedCommit(); | 98 void setNeedsForcedCommit(); |
97 | 99 |
98 // Call this only in response to receiving an ACTION_BEGIN_FRAME | 100 // Call this only in response to receiving an ACTION_BEGIN_FRAME |
99 // from nextState. Indicates that all painting is complete. | 101 // from nextState. Indicates that all painting is complete. |
100 void beginFrameComplete(); | 102 void beginFrameComplete(); |
101 | 103 |
102 // Call this only in response to receiving an ACTION_BEGIN_FRAME | 104 // Call this only in response to receiving an ACTION_BEGIN_FRAME |
103 // from nextState if the client rejects the beginFrame message. | 105 // from nextState if the client rejects the beginFrame message. |
104 void beginFrameAborted(); | 106 void beginFrameAborted(); |
105 | 107 |
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137 | 139 |
138 int m_currentFrameNumber; | 140 int m_currentFrameNumber; |
139 int m_lastFrameNumberWhereDrawWasCalled; | 141 int m_lastFrameNumberWhereDrawWasCalled; |
140 int m_consecutiveFailedDraws; | 142 int m_consecutiveFailedDraws; |
141 int m_maximumNumberOfFailedDrawsBeforeDrawIsForced; | 143 int m_maximumNumberOfFailedDrawsBeforeDrawIsForced; |
142 bool m_needsRedraw; | 144 bool m_needsRedraw; |
143 bool m_needsForcedRedraw; | 145 bool m_needsForcedRedraw; |
144 bool m_needsForcedRedrawAfterNextCommit; | 146 bool m_needsForcedRedrawAfterNextCommit; |
145 bool m_needsCommit; | 147 bool m_needsCommit; |
146 bool m_needsForcedCommit; | 148 bool m_needsForcedCommit; |
| 149 bool m_expectImmediateBeginFrame; |
147 bool m_mainThreadNeedsLayerTextures; | 150 bool m_mainThreadNeedsLayerTextures; |
148 bool m_insideVSync; | 151 bool m_insideVSync; |
149 bool m_visible; | 152 bool m_visible; |
150 bool m_canBeginFrame; | 153 bool m_canBeginFrame; |
151 bool m_canDraw; | 154 bool m_canDraw; |
152 bool m_drawIfPossibleFailed; | 155 bool m_drawIfPossibleFailed; |
153 TextureState m_textureState; | 156 TextureState m_textureState; |
154 ContextState m_contextState; | 157 ContextState m_contextState; |
155 | 158 |
156 DISALLOW_COPY_AND_ASSIGN(SchedulerStateMachine); | 159 DISALLOW_COPY_AND_ASSIGN(SchedulerStateMachine); |
157 }; | 160 }; |
158 | 161 |
159 } | 162 } |
160 | 163 |
161 #endif // CCSchedulerStateMachine_h | 164 #endif // CCSchedulerStateMachine_h |
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