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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 #ifndef CC_LAYERS_TILED_LAYER_H_ | 5 #ifndef CC_LAYERS_TILED_LAYER_H_ |
6 #define CC_LAYERS_TILED_LAYER_H_ | 6 #define CC_LAYERS_TILED_LAYER_H_ |
7 | 7 |
8 #include "cc/base/cc_export.h" | 8 #include "cc/base/cc_export.h" |
9 #include "cc/layers/contents_scaling_layer.h" | 9 #include "cc/layers/contents_scaling_layer.h" |
10 #include "cc/resources/layer_tiling_data.h" | 10 #include "cc/resources/layer_tiling_data.h" |
11 #include "cc/resources/resource_format.h" | 11 #include "cc/resources/resource_format.h" |
12 | 12 |
13 namespace cc { | 13 namespace cc { |
14 class LayerUpdater; | 14 class LayerUpdater; |
15 class PrioritizedResourceManager; | 15 class PrioritizedResourceManager; |
16 class PrioritizedResource; | 16 class PrioritizedResource; |
17 class UpdatableTile; | 17 class UpdatableTile; |
18 | 18 |
19 class CC_EXPORT TiledLayer : public ContentsScalingLayer { | 19 class CC_EXPORT TiledLayer : public ContentsScalingLayer { |
20 public: | 20 public: |
21 enum TilingOption { | 21 enum TilingOption { |
22 ALWAYS_TILE, | 22 ALWAYS_TILE, |
23 NEVER_TILE, | 23 NEVER_TILE, |
24 AUTO_TILE, | 24 AUTO_TILE, |
25 }; | 25 }; |
26 | 26 |
27 // Layer implementation. | 27 // Layer implementation. |
28 virtual void SetIsMask(bool is_mask) OVERRIDE; | 28 virtual void SetIsMask(bool is_mask) override; |
29 virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE; | 29 virtual void PushPropertiesTo(LayerImpl* layer) override; |
30 virtual void ReduceMemoryUsage() OVERRIDE; | 30 virtual void ReduceMemoryUsage() override; |
31 virtual void SetNeedsDisplayRect(const gfx::RectF& dirty_rect) OVERRIDE; | 31 virtual void SetNeedsDisplayRect(const gfx::RectF& dirty_rect) override; |
32 virtual void SetLayerTreeHost(LayerTreeHost* layer_tree_host) OVERRIDE; | 32 virtual void SetLayerTreeHost(LayerTreeHost* layer_tree_host) override; |
33 virtual void SetTexturePriorities(const PriorityCalculator& priority_calc) | 33 virtual void SetTexturePriorities(const PriorityCalculator& priority_calc) |
34 OVERRIDE; | 34 override; |
35 virtual SimpleEnclosedRegion VisibleContentOpaqueRegion() const OVERRIDE; | 35 virtual SimpleEnclosedRegion VisibleContentOpaqueRegion() const override; |
36 virtual bool Update(ResourceUpdateQueue* queue, | 36 virtual bool Update(ResourceUpdateQueue* queue, |
37 const OcclusionTracker<Layer>* occlusion) OVERRIDE; | 37 const OcclusionTracker<Layer>* occlusion) override; |
38 virtual void OnOutputSurfaceCreated() OVERRIDE; | 38 virtual void OnOutputSurfaceCreated() override; |
39 | 39 |
40 protected: | 40 protected: |
41 TiledLayer(); | 41 TiledLayer(); |
42 virtual ~TiledLayer(); | 42 virtual ~TiledLayer(); |
43 | 43 |
44 void UpdateTileSizeAndTilingOption(); | 44 void UpdateTileSizeAndTilingOption(); |
45 void UpdateBounds(); | 45 void UpdateBounds(); |
46 | 46 |
47 // Exposed to subclasses for testing. | 47 // Exposed to subclasses for testing. |
48 void SetTileSize(const gfx::Size& size); | 48 void SetTileSize(const gfx::Size& size); |
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60 | 60 |
61 // Reset state on tiles that will be used for updating the layer. | 61 // Reset state on tiles that will be used for updating the layer. |
62 void ResetUpdateState(); | 62 void ResetUpdateState(); |
63 | 63 |
64 // After preparing an update, returns true if more painting is needed. | 64 // After preparing an update, returns true if more painting is needed. |
65 bool NeedsIdlePaint(); | 65 bool NeedsIdlePaint(); |
66 gfx::Rect IdlePaintRect(); | 66 gfx::Rect IdlePaintRect(); |
67 | 67 |
68 bool SkipsDraw() const { return skips_draw_; } | 68 bool SkipsDraw() const { return skips_draw_; } |
69 | 69 |
70 virtual bool HasDrawableContent() const OVERRIDE; | 70 virtual bool HasDrawableContent() const override; |
71 | 71 |
72 // Virtual for testing | 72 // Virtual for testing |
73 virtual PrioritizedResourceManager* ResourceManager(); | 73 virtual PrioritizedResourceManager* ResourceManager(); |
74 const LayerTilingData* TilerForTesting() const { return tiler_.get(); } | 74 const LayerTilingData* TilerForTesting() const { return tiler_.get(); } |
75 const PrioritizedResource* ResourceAtForTesting(int i, int j) const; | 75 const PrioritizedResource* ResourceAtForTesting(int i, int j) const; |
76 | 76 |
77 private: | 77 private: |
78 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) | 78 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) |
79 OVERRIDE; | 79 override; |
80 | 80 |
81 void CreateTilerIfNeeded(); | 81 void CreateTilerIfNeeded(); |
82 void set_tiling_option(TilingOption tiling_option) { | 82 void set_tiling_option(TilingOption tiling_option) { |
83 tiling_option_ = tiling_option; | 83 tiling_option_ = tiling_option; |
84 } | 84 } |
85 | 85 |
86 bool TileOnlyNeedsPartialUpdate(UpdatableTile* tile); | 86 bool TileOnlyNeedsPartialUpdate(UpdatableTile* tile); |
87 bool TileNeedsBufferedUpdate(UpdatableTile* tile); | 87 bool TileNeedsBufferedUpdate(UpdatableTile* tile); |
88 | 88 |
89 void MarkOcclusionsAndRequestTextures( | 89 void MarkOcclusionsAndRequestTextures( |
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139 | 139 |
140 TilingOption tiling_option_; | 140 TilingOption tiling_option_; |
141 scoped_ptr<LayerTilingData> tiler_; | 141 scoped_ptr<LayerTilingData> tiler_; |
142 | 142 |
143 DISALLOW_COPY_AND_ASSIGN(TiledLayer); | 143 DISALLOW_COPY_AND_ASSIGN(TiledLayer); |
144 }; | 144 }; |
145 | 145 |
146 } // namespace cc | 146 } // namespace cc |
147 | 147 |
148 #endif // CC_LAYERS_TILED_LAYER_H_ | 148 #endif // CC_LAYERS_TILED_LAYER_H_ |
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