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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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285 bool requiresCompositingForAnimation(RenderObject*) const; | 285 bool requiresCompositingForAnimation(RenderObject*) const; |
286 // Whether a (not necessarily running) transition enforces the need for a co
mpositing layer. | 286 // Whether a (not necessarily running) transition enforces the need for a co
mpositing layer. |
287 bool requiresCompositingForTransition(RenderObject*) const; | 287 bool requiresCompositingForTransition(RenderObject*) const; |
288 bool requiresCompositingForTransform(RenderObject*) const; | 288 bool requiresCompositingForTransform(RenderObject*) const; |
289 bool requiresCompositingForVideo(RenderObject*) const; | 289 bool requiresCompositingForVideo(RenderObject*) const; |
290 bool requiresCompositingForCanvas(RenderObject*) const; | 290 bool requiresCompositingForCanvas(RenderObject*) const; |
291 bool requiresCompositingForPlugin(RenderObject*) const; | 291 bool requiresCompositingForPlugin(RenderObject*) const; |
292 bool requiresCompositingForFrame(RenderObject*) const; | 292 bool requiresCompositingForFrame(RenderObject*) const; |
293 bool requiresCompositingForBackfaceVisibilityHidden(RenderObject*) const; | 293 bool requiresCompositingForBackfaceVisibilityHidden(RenderObject*) const; |
294 bool requiresCompositingForFilters(RenderObject*) const; | 294 bool requiresCompositingForFilters(RenderObject*) const; |
295 bool requiresCompositingForBlending(RenderObject* renderer) const; | |
296 bool requiresCompositingForOverflowScrollingParent(const RenderLayer*) const
; | 295 bool requiresCompositingForOverflowScrollingParent(const RenderLayer*) const
; |
297 bool requiresCompositingForOutOfFlowClipping(const RenderLayer*) const; | 296 bool requiresCompositingForOutOfFlowClipping(const RenderLayer*) const; |
298 bool requiresCompositingForScrollableFrame() const; | 297 bool requiresCompositingForScrollableFrame() const; |
299 bool requiresCompositingForPosition(RenderObject*, const RenderLayer*, Rende
rLayer::ViewportConstrainedNotCompositedReason* = 0) const; | 298 bool requiresCompositingForPosition(RenderObject*, const RenderLayer*, Rende
rLayer::ViewportConstrainedNotCompositedReason* = 0) const; |
300 bool requiresCompositingForOverflowScrolling(const RenderLayer*) const; | 299 bool requiresCompositingForOverflowScrolling(const RenderLayer*) const; |
301 | 300 |
302 void addViewportConstrainedLayer(RenderLayer*); | 301 void addViewportConstrainedLayer(RenderLayer*); |
303 | 302 |
304 FixedPositionViewportConstraints computeFixedViewportConstraints(RenderLayer
*) const; | 303 FixedPositionViewportConstraints computeFixedViewportConstraints(RenderLayer
*) const; |
305 StickyPositionViewportConstraints computeStickyViewportConstraints(RenderLay
er*) const; | 304 StickyPositionViewportConstraints computeStickyViewportConstraints(RenderLay
er*) const; |
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369 int m_secondaryCompositedLayerCount; // count of layers that have to be comp
osited because of stacking or overlap. | 368 int m_secondaryCompositedLayerCount; // count of layers that have to be comp
osited because of stacking or overlap. |
370 double m_obligatoryBackingStoreBytes; | 369 double m_obligatoryBackingStoreBytes; |
371 double m_secondaryBackingStoreBytes; | 370 double m_secondaryBackingStoreBytes; |
372 #endif | 371 #endif |
373 }; | 372 }; |
374 | 373 |
375 | 374 |
376 } // namespace WebCore | 375 } // namespace WebCore |
377 | 376 |
378 #endif // RenderLayerCompositor_h | 377 #endif // RenderLayerCompositor_h |
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