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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 | 6 |
7 #include "CCDamageTracker.h" | 7 #include "CCDamageTracker.h" |
8 | 8 |
9 #include "CCLayerImpl.h" | 9 #include "CCLayerImpl.h" |
10 #include "CCLayerTreeHostCommon.h" | 10 #include "CCLayerTreeHostCommon.h" |
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155 return FloatRect(); | 155 return FloatRect(); |
156 | 156 |
157 FloatRect ret = iter->second; | 157 FloatRect ret = iter->second; |
158 m_currentRectHistory->erase(iter); | 158 m_currentRectHistory->erase(iter); |
159 return ret; | 159 return ret; |
160 } | 160 } |
161 | 161 |
162 void CCDamageTracker::saveRectForNextFrame(int layerID, const FloatRect& targetS
paceRect) | 162 void CCDamageTracker::saveRectForNextFrame(int layerID, const FloatRect& targetS
paceRect) |
163 { | 163 { |
164 // This layer should not yet exist in next frame's history. | 164 // This layer should not yet exist in next frame's history. |
165 ASSERT(layerID > 0); | 165 DCHECK(layerID > 0); |
166 ASSERT(m_nextRectHistory->find(layerID) == m_nextRectHistory->end()); | 166 DCHECK(m_nextRectHistory->find(layerID) == m_nextRectHistory->end()); |
167 (*m_nextRectHistory)[layerID] = targetSpaceRect; | 167 (*m_nextRectHistory)[layerID] = targetSpaceRect; |
168 } | 168 } |
169 | 169 |
170 FloatRect CCDamageTracker::trackDamageFromActiveLayers(const std::vector<CCLayer
Impl*>& layerList, int targetSurfaceLayerID) | 170 FloatRect CCDamageTracker::trackDamageFromActiveLayers(const std::vector<CCLayer
Impl*>& layerList, int targetSurfaceLayerID) |
171 { | 171 { |
172 FloatRect damageRect = FloatRect(); | 172 FloatRect damageRect = FloatRect(); |
173 | 173 |
174 for (unsigned layerIndex = 0; layerIndex < layerList.size(); ++layerIndex) { | 174 for (unsigned layerIndex = 0; layerIndex < layerList.size(); ++layerIndex) { |
175 // Visit layers in back-to-front order. | 175 // Visit layers in back-to-front order. |
176 CCLayerImpl* layer = layerList[layerIndex]; | 176 CCLayerImpl* layer = layerList[layerIndex]; |
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337 // If the layer has a background filter, this may cause pixels in our surfac
e to be expanded, so we will need to expand any damage | 337 // If the layer has a background filter, this may cause pixels in our surfac
e to be expanded, so we will need to expand any damage |
338 // at or below this layer. We expand the damage from this layer too, as we n
eed to readback those pixels from the surface with only | 338 // at or below this layer. We expand the damage from this layer too, as we n
eed to readback those pixels from the surface with only |
339 // the contents of layers below this one in them. This means we need to redr
aw any pixels in the surface being used for the blur in | 339 // the contents of layers below this one in them. This means we need to redr
aw any pixels in the surface being used for the blur in |
340 // this layer this frame. | 340 // this layer this frame. |
341 if (layer->backgroundFilters().hasFilterThatMovesPixels()) | 341 if (layer->backgroundFilters().hasFilterThatMovesPixels()) |
342 expandDamageRectInsideRectWithFilters(targetDamageRect, surfaceRectInTar
getSpace, layer->backgroundFilters()); | 342 expandDamageRectInsideRectWithFilters(targetDamageRect, surfaceRectInTar
getSpace, layer->backgroundFilters()); |
343 } | 343 } |
344 | 344 |
345 } // namespace cc | 345 } // namespace cc |
346 | 346 |
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