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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 LayerTextureUpdater_h | 6 #ifndef LayerTextureUpdater_h |
| 7 #define LayerTextureUpdater_h | 7 #define LayerTextureUpdater_h |
| 8 | 8 |
| 9 #if USE(ACCELERATED_COMPOSITING) | 9 #if USE(ACCELERATED_COMPOSITING) |
| 10 | 10 |
| 11 #include "CCPrioritizedTexture.h" | 11 #include "CCPrioritizedTexture.h" |
| 12 #include "GraphicsTypes3D.h" | 12 #include "GraphicsTypes3D.h" |
| 13 #include <wtf/RefCounted.h> | 13 #include <wtf/RefCounted.h> |
| 14 | 14 |
| 15 namespace WebCore { | 15 namespace cc { |
| 16 | 16 |
| 17 class IntRect; | 17 class IntRect; |
| 18 class IntSize; | 18 class IntSize; |
| 19 class TextureManager; | 19 class TextureManager; |
| 20 struct CCRenderingStats; | 20 struct CCRenderingStats; |
| 21 | 21 |
| 22 class LayerTextureUpdater : public RefCounted<LayerTextureUpdater> { | 22 class LayerTextureUpdater : public RefCounted<LayerTextureUpdater> { |
| 23 public: | 23 public: |
| 24 // Allows texture uploaders to store per-tile resources. | 24 // Allows texture uploaders to store per-tile resources. |
| 25 class Texture { | 25 class Texture { |
| (...skipping 30 matching lines...) Expand all Loading... |
| 56 // If the format is TexelFormatBGRA, vec4.x is blue and vec4.z is red. | 56 // If the format is TexelFormatBGRA, vec4.x is blue and vec4.z is red. |
| 57 virtual SampledTexelFormat sampledTexelFormat(GC3Denum textureFormat) = 0; | 57 virtual SampledTexelFormat sampledTexelFormat(GC3Denum textureFormat) = 0; |
| 58 // The |resultingOpaqueRect| gives back a region of the layer that was paint
ed opaque. If the layer is marked opaque in the updater, | 58 // The |resultingOpaqueRect| gives back a region of the layer that was paint
ed opaque. If the layer is marked opaque in the updater, |
| 59 // then this region should be ignored in preference for the entire layer's a
rea. | 59 // then this region should be ignored in preference for the entire layer's a
rea. |
| 60 virtual void prepareToUpdate(const IntRect& contentRect, const IntSize& tile
Size, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpa
queRect, CCRenderingStats&) { } | 60 virtual void prepareToUpdate(const IntRect& contentRect, const IntSize& tile
Size, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpa
queRect, CCRenderingStats&) { } |
| 61 | 61 |
| 62 // Set true by the layer when it is known that the entire output is going to
be opaque. | 62 // Set true by the layer when it is known that the entire output is going to
be opaque. |
| 63 virtual void setOpaque(bool) { } | 63 virtual void setOpaque(bool) { } |
| 64 }; | 64 }; |
| 65 | 65 |
| 66 } // namespace WebCore | 66 } // namespace cc |
| 67 #endif // USE(ACCELERATED_COMPOSITING) | 67 #endif // USE(ACCELERATED_COMPOSITING) |
| 68 #endif // LayerTextureUpdater_h | 68 #endif // LayerTextureUpdater_h |
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