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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 void SetIsMask(bool is_mask) override; |
29 virtual void PushPropertiesTo(LayerImpl* layer) override; | 29 void PushPropertiesTo(LayerImpl* layer) override; |
30 virtual void ReduceMemoryUsage() override; | 30 void ReduceMemoryUsage() override; |
31 virtual void SetNeedsDisplayRect(const gfx::Rect& dirty_rect) override; | 31 void SetNeedsDisplayRect(const gfx::Rect& dirty_rect) override; |
32 virtual void SetLayerTreeHost(LayerTreeHost* layer_tree_host) override; | 32 void SetLayerTreeHost(LayerTreeHost* layer_tree_host) override; |
33 virtual void SetTexturePriorities(const PriorityCalculator& priority_calc) | 33 void SetTexturePriorities(const PriorityCalculator& priority_calc) override; |
34 override; | 34 SimpleEnclosedRegion VisibleContentOpaqueRegion() const override; |
35 virtual SimpleEnclosedRegion VisibleContentOpaqueRegion() const override; | 35 bool Update(ResourceUpdateQueue* queue, |
36 virtual bool Update(ResourceUpdateQueue* queue, | 36 const OcclusionTracker<Layer>* occlusion) override; |
37 const OcclusionTracker<Layer>* occlusion) override; | 37 void OnOutputSurfaceCreated() override; |
38 virtual void OnOutputSurfaceCreated() override; | |
39 | 38 |
40 protected: | 39 protected: |
41 TiledLayer(); | 40 TiledLayer(); |
42 virtual ~TiledLayer(); | 41 ~TiledLayer() override; |
43 | 42 |
44 void UpdateTileSizeAndTilingOption(); | 43 void UpdateTileSizeAndTilingOption(); |
45 void UpdateBounds(); | 44 void UpdateBounds(); |
46 | 45 |
47 // Exposed to subclasses for testing. | 46 // Exposed to subclasses for testing. |
48 void SetTileSize(const gfx::Size& size); | 47 void SetTileSize(const gfx::Size& size); |
49 void SetTextureFormat(ResourceFormat texture_format) { | 48 void SetTextureFormat(ResourceFormat texture_format) { |
50 texture_format_ = texture_format; | 49 texture_format_ = texture_format; |
51 } | 50 } |
52 void SetBorderTexelOption(LayerTilingData::BorderTexelOption option); | 51 void SetBorderTexelOption(LayerTilingData::BorderTexelOption option); |
53 size_t NumPaintedTiles() { return tiler_->tiles().size(); } | 52 size_t NumPaintedTiles() { return tiler_->tiles().size(); } |
54 | 53 |
55 virtual LayerUpdater* Updater() const = 0; | 54 virtual LayerUpdater* Updater() const = 0; |
56 virtual void CreateUpdaterIfNeeded() = 0; | 55 virtual void CreateUpdaterIfNeeded() = 0; |
57 | 56 |
58 // Set invalidations to be potentially repainted during Update(). | 57 // Set invalidations to be potentially repainted during Update(). |
59 void InvalidateContentRect(const gfx::Rect& content_rect); | 58 void InvalidateContentRect(const gfx::Rect& content_rect); |
60 | 59 |
61 // Reset state on tiles that will be used for updating the layer. | 60 // Reset state on tiles that will be used for updating the layer. |
62 void ResetUpdateState(); | 61 void ResetUpdateState(); |
63 | 62 |
64 // After preparing an update, returns true if more painting is needed. | 63 // After preparing an update, returns true if more painting is needed. |
65 bool NeedsIdlePaint(); | 64 bool NeedsIdlePaint(); |
66 gfx::Rect IdlePaintRect(); | 65 gfx::Rect IdlePaintRect(); |
67 | 66 |
68 bool SkipsDraw() const { return skips_draw_; } | 67 bool SkipsDraw() const { return skips_draw_; } |
69 | 68 |
70 virtual bool HasDrawableContent() const override; | 69 bool HasDrawableContent() const override; |
71 | 70 |
72 // Virtual for testing | 71 // Virtual for testing |
73 virtual PrioritizedResourceManager* ResourceManager(); | 72 virtual PrioritizedResourceManager* ResourceManager(); |
74 const LayerTilingData* TilerForTesting() const { return tiler_.get(); } | 73 const LayerTilingData* TilerForTesting() const { return tiler_.get(); } |
75 const PrioritizedResource* ResourceAtForTesting(int i, int j) const; | 74 const PrioritizedResource* ResourceAtForTesting(int i, int j) const; |
76 | 75 |
77 private: | 76 private: |
78 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) | 77 scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override; |
79 override; | |
80 | 78 |
81 void CreateTilerIfNeeded(); | 79 void CreateTilerIfNeeded(); |
82 void set_tiling_option(TilingOption tiling_option) { | 80 void set_tiling_option(TilingOption tiling_option) { |
83 tiling_option_ = tiling_option; | 81 tiling_option_ = tiling_option; |
84 } | 82 } |
85 | 83 |
86 bool TileOnlyNeedsPartialUpdate(UpdatableTile* tile); | 84 bool TileOnlyNeedsPartialUpdate(UpdatableTile* tile); |
87 bool TileNeedsBufferedUpdate(UpdatableTile* tile); | 85 bool TileNeedsBufferedUpdate(UpdatableTile* tile); |
88 | 86 |
89 void MarkOcclusionsAndRequestTextures( | 87 void MarkOcclusionsAndRequestTextures( |
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139 | 137 |
140 TilingOption tiling_option_; | 138 TilingOption tiling_option_; |
141 scoped_ptr<LayerTilingData> tiler_; | 139 scoped_ptr<LayerTilingData> tiler_; |
142 | 140 |
143 DISALLOW_COPY_AND_ASSIGN(TiledLayer); | 141 DISALLOW_COPY_AND_ASSIGN(TiledLayer); |
144 }; | 142 }; |
145 | 143 |
146 } // namespace cc | 144 } // namespace cc |
147 | 145 |
148 #endif // CC_LAYERS_TILED_LAYER_H_ | 146 #endif // CC_LAYERS_TILED_LAYER_H_ |
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