Source/WebCore/platform/graphics/chromium/cc/CCSchedulerStateMachine.h - Issue 10202004: Merge 114599 - [chromium] Add canBeginFrame state to CCSchedulerStateMachine to suppress initializa…

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Issue 10202004: Merge 114599 - [chromium] Add canBeginFrame state to CCSchedulerStateMachine to suppress initializa… (Closed) Base URL: http://svn.webkit.org/repository/webkit/branches/chromium/1084/

Patch Set: Created 8 years, 8 months ago

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1 /*	1 /*

2 * Copyright (C) 2011 Google Inc. All rights reserved.	2 * Copyright (C) 2011 Google Inc. All rights reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 * 1. Redistributions of source code must retain the above copyright	7 * 1. Redistributions of source code must retain the above copyright

8 * notice, this list of conditions and the following disclaimer.	8 * notice, this list of conditions and the following disclaimer.

9 * 2. Redistributions in binary form must reproduce the above copyright	9 * 2. Redistributions in binary form must reproduce the above copyright

10 * notice, this list of conditions and the following disclaimer in the	10 * notice, this list of conditions and the following disclaimer in the

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110	110

111 // Call this only in response to receiving an ACTION_BEGIN_FRAME	111 // Call this only in response to receiving an ACTION_BEGIN_FRAME

112 // from nextState. Indicates that all painting is complete and that	112 // from nextState. Indicates that all painting is complete and that

113 // updating of compositor resources can begin.	113 // updating of compositor resources can begin.

114 void beginFrameComplete();	114 void beginFrameComplete();

115	115

116 // Call this only in response to receiving an ACTION_UPDATE_MORE_RESOURCES	116 // Call this only in response to receiving an ACTION_UPDATE_MORE_RESOURCES

117 // from nextState. Indicates that the specific update request completed.	117 // from nextState. Indicates that the specific update request completed.

118 void beginUpdateMoreResourcesComplete(bool morePending);	118 void beginUpdateMoreResourcesComplete(bool morePending);

119	119

	120 // Indicates whether we can successfully begin a frame at this time.

	121 void setCanBeginFrame(bool can) { m_canBeginFrame = can; }

	122

120 // Indicates whether drawing would, at this time, make sense.	123 // Indicates whether drawing would, at this time, make sense.

121 // canDraw can be used to supress flashes or checkerboarding	124 // canDraw can be used to supress flashes or checkerboarding

122 // when such behavior would be undesirable.	125 // when such behavior would be undesirable.

123 void setCanDraw(bool can) { m_canDraw = can; }	126 void setCanDraw(bool can) { m_canDraw = can; }

124	127

125 void didLoseContext();	128 void didLoseContext();

126 void didRecreateContext();	129 void didRecreateContext();

127	130

128 protected:	131 protected:

129 bool shouldDrawForced() const;	132 bool shouldDrawForced() const;

130 bool shouldDraw() const;	133 bool shouldDraw() const;

131 bool hasDrawnThisFrame() const;	134 bool hasDrawnThisFrame() const;

132	135

133 CommitState m_commitState;	136 CommitState m_commitState;

134	137

135 int m_currentFrameNumber;	138 int m_currentFrameNumber;

136 int m_lastFrameNumberWhereDrawWasCalled;	139 int m_lastFrameNumberWhereDrawWasCalled;

137 bool m_needsRedraw;	140 bool m_needsRedraw;

138 bool m_needsForcedRedraw;	141 bool m_needsForcedRedraw;

139 bool m_needsCommit;	142 bool m_needsCommit;

140 bool m_needsForcedCommit;	143 bool m_needsForcedCommit;

141 bool m_updateMoreResourcesPending;	144 bool m_updateMoreResourcesPending;

142 bool m_insideVSync;	145 bool m_insideVSync;

143 bool m_visible;	146 bool m_visible;

	147 bool m_canBeginFrame;

144 bool m_canDraw;	148 bool m_canDraw;

145 bool m_drawIfPossibleFailed;	149 bool m_drawIfPossibleFailed;

146 ContextState m_contextState;	150 ContextState m_contextState;

147 };	151 };

148	152

149 }	153 }

150	154

151 #endif // CCSchedulerStateMachine_h	155 #endif // CCSchedulerStateMachine_h

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