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1 /* | 1 /* |
2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009 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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248 // Whether the given RL needs to paint into its own separate backing (and he
nce would need its own CompositedLayerMapping). | 248 // Whether the given RL needs to paint into its own separate backing (and he
nce would need its own CompositedLayerMapping). |
249 bool needsOwnBacking(const RenderLayer*) const; | 249 bool needsOwnBacking(const RenderLayer*) const; |
250 // Whether the layer could ever be composited. | 250 // Whether the layer could ever be composited. |
251 bool canBeComposited(const RenderLayer*) const; | 251 bool canBeComposited(const RenderLayer*) const; |
252 | 252 |
253 // Returns all direct reasons that a layer should be composited. | 253 // Returns all direct reasons that a layer should be composited. |
254 CompositingReasons directReasonsForCompositing(const RenderLayer*) const; | 254 CompositingReasons directReasonsForCompositing(const RenderLayer*) const; |
255 | 255 |
256 void updateDirectCompositingReasons(RenderLayer*); | 256 void updateDirectCompositingReasons(RenderLayer*); |
257 | 257 |
| 258 void updateCompositingLayersInternal(); |
| 259 |
258 // Returns indirect reasons that a layer should be composited because of som
ething in its subtree. | 260 // Returns indirect reasons that a layer should be composited because of som
ething in its subtree. |
259 CompositingReasons subtreeReasonsForCompositing(RenderObject*, bool hasCompo
sitedDescendants, bool has3DTransformedDescendants) const; | 261 CompositingReasons subtreeReasonsForCompositing(RenderObject*, bool hasCompo
sitedDescendants, bool has3DTransformedDescendants) const; |
260 | 262 |
261 // Make or destroy the CompositedLayerMapping for this layer; returns true i
f the compositedLayerMapping changed. | 263 // Make or destroy the CompositedLayerMapping for this layer; returns true i
f the compositedLayerMapping changed. |
262 bool allocateOrClearCompositedLayerMapping(RenderLayer*); | 264 bool allocateOrClearCompositedLayerMapping(RenderLayer*); |
263 bool updateSquashingAssignment(RenderLayer*, SquashingState&); | 265 bool updateSquashingAssignment(RenderLayer*, SquashingState&); |
264 | 266 |
265 void clearMappingForRenderLayerIncludingDescendants(RenderLayer*); | 267 void clearMappingForRenderLayerIncludingDescendants(RenderLayer*); |
266 | 268 |
267 // Repaint the given rect (which is layer's coords), and regions of child la
yers that intersect that rect. | 269 // Repaint the given rect (which is layer's coords), and regions of child la
yers that intersect that rect. |
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395 OwnPtr<GraphicsLayer> m_layerForScrollCorner; | 397 OwnPtr<GraphicsLayer> m_layerForScrollCorner; |
396 #if USE(RUBBER_BANDING) | 398 #if USE(RUBBER_BANDING) |
397 OwnPtr<GraphicsLayer> m_layerForOverhangShadow; | 399 OwnPtr<GraphicsLayer> m_layerForOverhangShadow; |
398 #endif | 400 #endif |
399 }; | 401 }; |
400 | 402 |
401 | 403 |
402 } // namespace WebCore | 404 } // namespace WebCore |
403 | 405 |
404 #endif // RenderLayerCompositor_h | 406 #endif // RenderLayerCompositor_h |
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