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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 #ifndef SkPictureCanvasLayerTextureUpdater_h | 6 #ifndef SkPictureCanvasLayerTextureUpdater_h |
7 #define SkPictureCanvasLayerTextureUpdater_h | 7 #define SkPictureCanvasLayerTextureUpdater_h |
8 | 8 |
9 #if USE(ACCELERATED_COMPOSITING) | 9 #if USE(ACCELERATED_COMPOSITING) |
10 | 10 |
11 #include "CanvasLayerTextureUpdater.h" | 11 #include "CanvasLayerTextureUpdater.h" |
12 #include "SkPicture.h" | 12 #include "SkPicture.h" |
13 | 13 |
14 class SkCanvas; | 14 class SkCanvas; |
15 | 15 |
16 namespace WebCore { | 16 namespace cc { |
17 | 17 |
18 class LayerPainterChromium; | 18 class LayerPainterChromium; |
19 | 19 |
20 // This class records the contentRect into an SkPicture. Subclasses, provide | 20 // This class records the contentRect into an SkPicture. Subclasses, provide |
21 // different implementations of tile updating based on this recorded picture. | 21 // different implementations of tile updating based on this recorded picture. |
22 // The BitmapSkPictureCanvasLayerTextureUpdater and | 22 // The BitmapSkPictureCanvasLayerTextureUpdater and |
23 // FrameBufferSkPictureCanvasLayerTextureUpdater are two examples of such | 23 // FrameBufferSkPictureCanvasLayerTextureUpdater are two examples of such |
24 // implementations. | 24 // implementations. |
25 class SkPictureCanvasLayerTextureUpdater : public CanvasLayerTextureUpdater { | 25 class SkPictureCanvasLayerTextureUpdater : public CanvasLayerTextureUpdater { |
26 public: | 26 public: |
27 virtual ~SkPictureCanvasLayerTextureUpdater(); | 27 virtual ~SkPictureCanvasLayerTextureUpdater(); |
28 | 28 |
29 virtual void setOpaque(bool) OVERRIDE; | 29 virtual void setOpaque(bool) OVERRIDE; |
30 | 30 |
31 protected: | 31 protected: |
32 explicit SkPictureCanvasLayerTextureUpdater(PassOwnPtr<LayerPainterChromium>
); | 32 explicit SkPictureCanvasLayerTextureUpdater(PassOwnPtr<LayerPainterChromium>
); |
33 | 33 |
34 virtual void prepareToUpdate(const IntRect& contentRect, const IntSize& tile
Size, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpa
queRect, CCRenderingStats&) OVERRIDE; | 34 virtual void prepareToUpdate(const IntRect& contentRect, const IntSize& tile
Size, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpa
queRect, CCRenderingStats&) OVERRIDE; |
35 void drawPicture(SkCanvas*); | 35 void drawPicture(SkCanvas*); |
36 | 36 |
37 bool layerIsOpaque() const { return m_layerIsOpaque; } | 37 bool layerIsOpaque() const { return m_layerIsOpaque; } |
38 | 38 |
39 private: | 39 private: |
40 // Recording canvas. | 40 // Recording canvas. |
41 SkPicture m_picture; | 41 SkPicture m_picture; |
42 // True when it is known that all output pixels will be opaque. | 42 // True when it is known that all output pixels will be opaque. |
43 bool m_layerIsOpaque; | 43 bool m_layerIsOpaque; |
44 }; | 44 }; |
45 | 45 |
46 } // namespace WebCore | 46 } // namespace cc |
47 #endif // USE(ACCELERATED_COMPOSITING) | 47 #endif // USE(ACCELERATED_COMPOSITING) |
48 #endif // SkPictureCanvasLayerTextureUpdater_h | 48 #endif // SkPictureCanvasLayerTextureUpdater_h |
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