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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 cc { | 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 { |
26 public: | 26 public: |
27 virtual ~Texture() { } | 27 virtual ~Texture(); |
28 | 28 |
29 CCPrioritizedTexture* texture() { return m_texture.get(); } | 29 CCPrioritizedTexture* texture() { return m_texture.get(); } |
30 void swapTextureWith(OwnPtr<CCPrioritizedTexture>& texture) { m_texture.
swap(texture); } | 30 void swapTextureWith(OwnPtr<CCPrioritizedTexture>& texture) { m_texture.
swap(texture); } |
31 virtual void prepareRect(const IntRect& /* sourceRect */, CCRenderingSta
ts&) { } | 31 virtual void prepareRect(const IntRect& /* sourceRect */, CCRenderingSta
ts&) { } |
32 virtual void updateRect(CCResourceProvider*, const IntRect& sourceRect,
const IntSize& destOffset) = 0; | 32 virtual void updateRect(CCResourceProvider*, const IntRect& sourceRect,
const IntSize& destOffset) = 0; |
33 virtual bool backingResourceWasEvicted() const { return m_texture->backi
ngResourceWasEvicted(); } | 33 virtual bool backingResourceWasEvicted() const; |
34 protected: | 34 protected: |
35 explicit Texture(PassOwnPtr<CCPrioritizedTexture> texture) : m_texture(t
exture) { } | 35 explicit Texture(PassOwnPtr<CCPrioritizedTexture> texture); |
36 | 36 |
37 private: | 37 private: |
38 OwnPtr<CCPrioritizedTexture> m_texture; | 38 OwnPtr<CCPrioritizedTexture> m_texture; |
39 }; | 39 }; |
40 | 40 |
41 LayerTextureUpdater() | 41 LayerTextureUpdater() |
42 { | 42 { |
43 turnOffVerifier(); // In the component build we don't have WTF threading
initialized in this DLL so the thread verifier explodes. | 43 turnOffVerifier(); // In the component build we don't have WTF threading
initialized in this DLL so the thread verifier explodes. |
44 } | 44 } |
45 | 45 |
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60 // then this region should be ignored in preference for the entire layer's a
rea. | 60 // then this region should be ignored in preference for the entire layer's a
rea. |
61 virtual void prepareToUpdate(const IntRect& contentRect, const IntSize& tile
Size, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpa
queRect, CCRenderingStats&) { } | 61 virtual void prepareToUpdate(const IntRect& contentRect, const IntSize& tile
Size, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpa
queRect, CCRenderingStats&) { } |
62 | 62 |
63 // Set true by the layer when it is known that the entire output is going to
be opaque. | 63 // Set true by the layer when it is known that the entire output is going to
be opaque. |
64 virtual void setOpaque(bool) { } | 64 virtual void setOpaque(bool) { } |
65 }; | 65 }; |
66 | 66 |
67 } // namespace cc | 67 } // namespace cc |
68 #endif // USE(ACCELERATED_COMPOSITING) | 68 #endif // USE(ACCELERATED_COMPOSITING) |
69 #endif // LayerTextureUpdater_h | 69 #endif // LayerTextureUpdater_h |
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