Source/core/rendering/compositing/CompositedLayerMapping.h - Issue 353403006: Consider subpixel accumulation when invalidating paint

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Issue 353403006: Consider subpixel accumulation when invalidating paint (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Also squashing path Created 6 years, 5 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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143 bool updateRequiresOwnBackingStoreForAncestorReasons(const RenderLayer* comp ositingAncestor);	143 bool updateRequiresOwnBackingStoreForAncestorReasons(const RenderLayer* comp ositingAncestor);

144	144

145 // Updates whether a backing store is needed for intrinsic reasons (that is, based on the	145 // Updates whether a backing store is needed for intrinsic reasons (that is, based on the

146 // layer's own properties or compositing reasons); returns true if the intri nsic need for	146 // layer's own properties or compositing reasons); returns true if the intri nsic need for

147 // a backing store changed.	147 // a backing store changed.

148 bool updateRequiresOwnBackingStoreForIntrinsicReasons();	148 bool updateRequiresOwnBackingStoreForIntrinsicReasons();

149	149

150 void setSquashingContentsNeedDisplay();	150 void setSquashingContentsNeedDisplay();

151 void setContentsNeedDisplay();	151 void setContentsNeedDisplay();

152 // r is in the coordinate space of the layer's render object	152 // r is in the coordinate space of the layer's render object

153 void setContentsNeedDisplayInRect(const IntRect&);	153 void setContentsNeedDisplayInRect(const LayoutRect&);

154	154

155 // Notification from the renderer that its content changed.	155 // Notification from the renderer that its content changed.

156 void contentChanged(ContentChangeType);	156 void contentChanged(ContentChangeType);

157	157

158 LayoutRect compositedBounds() const { return m_compositedBounds; }	158 LayoutRect compositedBounds() const { return m_compositedBounds; }

159 IntRect pixelSnappedCompositedBounds() const;	159 IntRect pixelSnappedCompositedBounds() const;

160 void updateCompositedBounds();	160 void updateCompositedBounds();

161	161

162 void positionOverflowControlsLayers(const IntSize& offsetFromRoot);	162 void positionOverflowControlsLayers(const IntSize& offsetFromRoot);

163 bool hasUnpositionedOverflowControlsLayers() const;	163 bool hasUnpositionedOverflowControlsLayers() const;

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410 unsigned m_requiresOwnBackingStoreForIntrinsicReasons : 1;	410 unsigned m_requiresOwnBackingStoreForIntrinsicReasons : 1;

411 unsigned m_requiresOwnBackingStoreForAncestorReasons : 1;	411 unsigned m_requiresOwnBackingStoreForAncestorReasons : 1;

412 unsigned m_canCompositeFilters : 1;	412 unsigned m_canCompositeFilters : 1;

413 unsigned m_backgroundLayerPaintsFixedRootBackground : 1;	413 unsigned m_backgroundLayerPaintsFixedRootBackground : 1;

414 unsigned m_scrollingContentsAreEmpty : 1;	414 unsigned m_scrollingContentsAreEmpty : 1;

415 };	415 };

416	416

417 } // namespace WebCore	417 } // namespace WebCore

418	418

419 #endif // CompositedLayerMapping_h	419 #endif // CompositedLayerMapping_h

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