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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 | 5 |
| 6 #include "config.h" | 6 #include "config.h" |
| 7 | 7 |
| 8 #include "CCLayerTreeHostCommon.h" | 8 #include "CCLayerTreeHostCommon.h" |
| 9 | 9 |
| 10 #include "CCLayerImpl.h" | 10 #include "CCLayerImpl.h" |
| 11 #include "CCLayerIterator.h" | 11 #include "CCLayerIterator.h" |
| 12 #include "CCLayerSorter.h" | 12 #include "CCLayerSorter.h" |
| 13 #include "CCMathUtil.h" | 13 #include "CCMathUtil.h" |
| 14 #include "CCRenderSurface.h" | 14 #include "CCRenderSurface.h" |
| 15 #include "FloatQuad.h" | 15 #include "FloatQuad.h" |
| 16 #include "IntRect.h" | 16 #include "IntRect.h" |
| 17 #include "LayerChromium.h" | 17 #include "LayerChromium.h" |
| 18 #include "RenderSurfaceChromium.h" | 18 #include "RenderSurfaceChromium.h" |
| 19 #include <public/WebTransformationMatrix.h> | 19 #include <public/WebTransformationMatrix.h> |
| 20 | 20 |
| 21 using WebKit::WebTransformationMatrix; | 21 using WebKit::WebTransformationMatrix; |
| 22 | 22 |
| 23 namespace WebCore { | 23 namespace cc { |
| 24 | 24 |
| 25 IntRect CCLayerTreeHostCommon::calculateVisibleRect(const IntRect& targetSurface
Rect, const IntRect& layerBoundRect, const WebTransformationMatrix& transform) | 25 IntRect CCLayerTreeHostCommon::calculateVisibleRect(const IntRect& targetSurface
Rect, const IntRect& layerBoundRect, const WebTransformationMatrix& transform) |
| 26 { | 26 { |
| 27 // Is this layer fully contained within the target surface? | 27 // Is this layer fully contained within the target surface? |
| 28 IntRect layerInSurfaceSpace = CCMathUtil::mapClippedRect(transform, layerBou
ndRect); | 28 IntRect layerInSurfaceSpace = CCMathUtil::mapClippedRect(transform, layerBou
ndRect); |
| 29 if (targetSurfaceRect.contains(layerInSurfaceSpace)) | 29 if (targetSurfaceRect.contains(layerInSurfaceSpace)) |
| 30 return layerBoundRect; | 30 return layerBoundRect; |
| 31 | 31 |
| 32 // If the layer doesn't fill up the entire surface, then find the part of | 32 // If the layer doesn't fill up the entire surface, then find the part of |
| 33 // the surface rect where the layer could be visible. This avoids trying to | 33 // the surface rect where the layer could be visible. This avoids trying to |
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| 775 | 775 |
| 776 void CCLayerTreeHostCommon::calculateDrawTransforms(LayerChromium* rootLayer, co
nst IntSize& deviceViewportSize, float deviceScaleFactor, int maxTextureSize, Ve
ctor<RefPtr<LayerChromium> >& renderSurfaceLayerList) | 776 void CCLayerTreeHostCommon::calculateDrawTransforms(LayerChromium* rootLayer, co
nst IntSize& deviceViewportSize, float deviceScaleFactor, int maxTextureSize, Ve
ctor<RefPtr<LayerChromium> >& renderSurfaceLayerList) |
| 777 { | 777 { |
| 778 IntRect totalDrawableContentRect; | 778 IntRect totalDrawableContentRect; |
| 779 WebTransformationMatrix identityMatrix; | 779 WebTransformationMatrix identityMatrix; |
| 780 WebTransformationMatrix deviceScaleTransform; | 780 WebTransformationMatrix deviceScaleTransform; |
| 781 deviceScaleTransform.scale(deviceScaleFactor); | 781 deviceScaleTransform.scale(deviceScaleFactor); |
| 782 | 782 |
| 783 setupRootLayerAndSurfaceForRecursion<LayerChromium, Vector<RefPtr<LayerChrom
ium> > >(rootLayer, renderSurfaceLayerList, deviceViewportSize); | 783 setupRootLayerAndSurfaceForRecursion<LayerChromium, Vector<RefPtr<LayerChrom
ium> > >(rootLayer, renderSurfaceLayerList, deviceViewportSize); |
| 784 | 784 |
| 785 WebCore::calculateDrawTransformsInternal<LayerChromium, Vector<RefPtr<LayerC
hromium> >, RenderSurfaceChromium, void>(rootLayer, rootLayer, deviceScaleTransf
orm, identityMatrix, identityMatrix, | 785 cc::calculateDrawTransformsInternal<LayerChromium, Vector<RefPtr<LayerChromi
um> >, RenderSurfaceChromium, void>(rootLayer, rootLayer, deviceScaleTransform,
identityMatrix, identityMatrix, |
| 786
rootLayer->renderSurface()->contentRect
(), true, 0, renderSurfaceLayerList, | 786
rootLayer->renderSurface()->contentRect
(), true, 0, renderSurfaceLayerList, |
| 787
rootLayer->renderSurface()->layerList()
, 0, maxTextureSize, deviceScaleFactor, totalDrawableContentRect); | 787
rootLayer->renderSurface()->layerList()
, 0, maxTextureSize, deviceScaleFactor, totalDrawableContentRect); |
| 788 } | 788 } |
| 789 | 789 |
| 790 void CCLayerTreeHostCommon::calculateDrawTransforms(CCLayerImpl* rootLayer, cons
t IntSize& deviceViewportSize, float deviceScaleFactor, CCLayerSorter* layerSort
er, int maxTextureSize, Vector<CCLayerImpl*>& renderSurfaceLayerList) | 790 void CCLayerTreeHostCommon::calculateDrawTransforms(CCLayerImpl* rootLayer, cons
t IntSize& deviceViewportSize, float deviceScaleFactor, CCLayerSorter* layerSort
er, int maxTextureSize, Vector<CCLayerImpl*>& renderSurfaceLayerList) |
| 791 { | 791 { |
| 792 IntRect totalDrawableContentRect; | 792 IntRect totalDrawableContentRect; |
| 793 WebTransformationMatrix identityMatrix; | 793 WebTransformationMatrix identityMatrix; |
| 794 WebTransformationMatrix deviceScaleTransform; | 794 WebTransformationMatrix deviceScaleTransform; |
| 795 deviceScaleTransform.scale(deviceScaleFactor); | 795 deviceScaleTransform.scale(deviceScaleFactor); |
| 796 | 796 |
| 797 setupRootLayerAndSurfaceForRecursion<CCLayerImpl, Vector<CCLayerImpl*> >(roo
tLayer, renderSurfaceLayerList, deviceViewportSize); | 797 setupRootLayerAndSurfaceForRecursion<CCLayerImpl, Vector<CCLayerImpl*> >(roo
tLayer, renderSurfaceLayerList, deviceViewportSize); |
| 798 | 798 |
| 799 WebCore::calculateDrawTransformsInternal<CCLayerImpl, Vector<CCLayerImpl*>,
CCRenderSurface, CCLayerSorter>(rootLayer, rootLayer, deviceScaleTransform, iden
tityMatrix, identityMatrix, | 799 cc::calculateDrawTransformsInternal<CCLayerImpl, Vector<CCLayerImpl*>, CCRen
derSurface, CCLayerSorter>(rootLayer, rootLayer, deviceScaleTransform, identityM
atrix, identityMatrix, |
| 800
rootLayer->renderSurface()->contentRect(), true,
0, renderSurfaceLayerList, | 800
rootLayer->renderSurface()->contentRect(), true,
0, renderSurfaceLayerList, |
| 801
rootLayer->renderSurface()->layerList(), layerSo
rter, maxTextureSize, deviceScaleFactor, totalDrawableContentRect); | 801
rootLayer->renderSurface()->layerList(), layerSo
rter, maxTextureSize, deviceScaleFactor, totalDrawableContentRect); |
| 802 } | 802 } |
| 803 | 803 |
| 804 void CCLayerTreeHostCommon::calculateVisibleRects(Vector<RefPtr<LayerChromium> >
& renderSurfaceLayerList) | 804 void CCLayerTreeHostCommon::calculateVisibleRects(Vector<RefPtr<LayerChromium> >
& renderSurfaceLayerList) |
| 805 { | 805 { |
| 806 calculateVisibleRectsInternal<LayerChromium, Vector<RefPtr<LayerChromium> >,
RenderSurfaceChromium>(renderSurfaceLayerList); | 806 calculateVisibleRectsInternal<LayerChromium, Vector<RefPtr<LayerChromium> >,
RenderSurfaceChromium>(renderSurfaceLayerList); |
| 807 } | 807 } |
| 808 | 808 |
| 809 void CCLayerTreeHostCommon::calculateVisibleRects(Vector<CCLayerImpl*>& renderSu
rfaceLayerList) | 809 void CCLayerTreeHostCommon::calculateVisibleRects(Vector<CCLayerImpl*>& renderSu
rfaceLayerList) |
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| 875 continue; | 875 continue; |
| 876 | 876 |
| 877 foundLayer = currentLayer; | 877 foundLayer = currentLayer; |
| 878 break; | 878 break; |
| 879 } | 879 } |
| 880 | 880 |
| 881 // This can potentially return 0, which means the viewportPoint did not succ
essfully hit test any layers, not even the root layer. | 881 // This can potentially return 0, which means the viewportPoint did not succ
essfully hit test any layers, not even the root layer. |
| 882 return foundLayer; | 882 return foundLayer; |
| 883 } | 883 } |
| 884 | 884 |
| 885 } // namespace WebCore | 885 } // namespace cc |
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