Source/core/rendering/compositing/CompositedLayerMapping.h - Issue 337793004: Repaint squashing content in cases where the entire frame is repainting.

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Issue 337793004: Repaint squashing content in cases where the entire frame is repainting. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Merged. Created 6 years, 6 months ago

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1 /*	1 /*

2 * Copyright (C) 2009, 2010, 2011 Apple Inc. All rights reserved.	2 * Copyright (C) 2009, 2010, 2011 Apple 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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136	136

137 // Updates whether a backing store is needed based on the layer's compositin g ancestor's	137 // Updates whether a backing store is needed based on the layer's compositin g ancestor's

138 // properties; returns true if the need for a backing store for ancestor rea sons changed.	138 // properties; returns true if the need for a backing store for ancestor rea sons changed.

139 bool updateRequiresOwnBackingStoreForAncestorReasons(const RenderLayer* comp ositingAncestor);	139 bool updateRequiresOwnBackingStoreForAncestorReasons(const RenderLayer* comp ositingAncestor);

140	140

141 // Updates whether a backing store is needed for intrinsic reasons (that is, based on the	141 // Updates whether a backing store is needed for intrinsic reasons (that is, based on the

142 // layer's own properties or compositing reasons); returns true if the intri nsic need for	142 // layer's own properties or compositing reasons); returns true if the intri nsic need for

143 // a backing store changed.	143 // a backing store changed.

144 bool updateRequiresOwnBackingStoreForIntrinsicReasons();	144 bool updateRequiresOwnBackingStoreForIntrinsicReasons();

145	145

	146 void setSquashingContentsNeedDisplay();

146 void setContentsNeedDisplay();	147 void setContentsNeedDisplay();

147 // r is in the coordinate space of the layer's render object	148 // r is in the coordinate space of the layer's render object

148 void setContentsNeedDisplayInRect(const IntRect&);	149 void setContentsNeedDisplayInRect(const IntRect&);

149	150

150 // Notification from the renderer that its content changed.	151 // Notification from the renderer that its content changed.

151 void contentChanged(ContentChangeType);	152 void contentChanged(ContentChangeType);

152	153

153 LayoutRect compositedBounds() const { return m_compositedBounds; }	154 LayoutRect compositedBounds() const { return m_compositedBounds; }

154 IntRect pixelSnappedCompositedBounds() const;	155 IntRect pixelSnappedCompositedBounds() const;

155 void updateCompositedBounds(GraphicsLayerUpdater::UpdateType);	156 void updateCompositedBounds(GraphicsLayerUpdater::UpdateType);

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397 bool m_requiresOwnBackingStoreForAncestorReasons : 1;	398 bool m_requiresOwnBackingStoreForAncestorReasons : 1;

398 bool m_canCompositeFilters : 1;	399 bool m_canCompositeFilters : 1;

399 bool m_backgroundLayerPaintsFixedRootBackground : 1;	400 bool m_backgroundLayerPaintsFixedRootBackground : 1;

400 bool m_needToUpdateGraphicsLayer : 1;	401 bool m_needToUpdateGraphicsLayer : 1;

401 bool m_needToUpdateGraphicsLayerOfAllDecendants : 1;	402 bool m_needToUpdateGraphicsLayerOfAllDecendants : 1;

402 };	403 };

403	404

404 } // namespace WebCore	405 } // namespace WebCore

405	406

406 #endif // CompositedLayerMapping_h	407 #endif // CompositedLayerMapping_h

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