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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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_PICTURE_LAYER_IMPL_H_ | 5 #ifndef CC_LAYERS_PICTURE_LAYER_IMPL_H_ |
6 #define CC_LAYERS_PICTURE_LAYER_IMPL_H_ | 6 #define CC_LAYERS_PICTURE_LAYER_IMPL_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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80 void SetHasGpuRasterizationHint(bool has_hint); | 80 void SetHasGpuRasterizationHint(bool has_hint); |
81 bool ShouldUseGpuRasterization() const; | 81 bool ShouldUseGpuRasterization() const; |
82 | 82 |
83 protected: | 83 protected: |
84 PictureLayerImpl(LayerTreeImpl* tree_impl, int id); | 84 PictureLayerImpl(LayerTreeImpl* tree_impl, int id); |
85 PictureLayerTiling* AddTiling(float contents_scale); | 85 PictureLayerTiling* AddTiling(float contents_scale); |
86 void RemoveTiling(float contents_scale); | 86 void RemoveTiling(float contents_scale); |
87 void RemoveAllTilings(); | 87 void RemoveAllTilings(); |
88 void SyncFromActiveLayer(const PictureLayerImpl* other); | 88 void SyncFromActiveLayer(const PictureLayerImpl* other); |
89 void ManageTilings(bool animating_transform_to_screen); | 89 void ManageTilings(bool animating_transform_to_screen); |
90 bool ShouldHaveLowResTiling() const { return !ShouldUseGpuRasterization(); } | 90 bool ShouldHaveLowResTiling() const { |
| 91 return !ShouldUseGpuRasterization() && should_use_low_res_tiling_; |
| 92 } |
91 virtual bool ShouldAdjustRasterScale( | 93 virtual bool ShouldAdjustRasterScale( |
92 bool animating_transform_to_screen) const; | 94 bool animating_transform_to_screen) const; |
93 virtual void RecalculateRasterScales( | 95 virtual void RecalculateRasterScales( |
94 bool animating_transform_to_screen); | 96 bool animating_transform_to_screen); |
95 void CleanUpTilingsOnActiveLayer( | 97 void CleanUpTilingsOnActiveLayer( |
96 std::vector<PictureLayerTiling*> used_tilings); | 98 std::vector<PictureLayerTiling*> used_tilings); |
97 float MinimumContentsScale() const; | 99 float MinimumContentsScale() const; |
98 float SnappedContentsScale(float new_contents_scale); | 100 float SnappedContentsScale(float new_contents_scale); |
99 void UpdateLCDTextStatus(bool new_status); | 101 void UpdateLCDTextStatus(bool new_status); |
100 void ResetRasterScale(); | 102 void ResetRasterScale(); |
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139 float raster_contents_scale_; | 141 float raster_contents_scale_; |
140 float low_res_raster_contents_scale_; | 142 float low_res_raster_contents_scale_; |
141 | 143 |
142 bool raster_source_scale_was_animating_; | 144 bool raster_source_scale_was_animating_; |
143 bool is_using_lcd_text_; | 145 bool is_using_lcd_text_; |
144 bool needs_post_commit_initialization_; | 146 bool needs_post_commit_initialization_; |
145 // A sanity state check to make sure UpdateTilePriorities only gets called | 147 // A sanity state check to make sure UpdateTilePriorities only gets called |
146 // after a CalculateContentsScale/ManageTilings. | 148 // after a CalculateContentsScale/ManageTilings. |
147 bool should_update_tile_priorities_; | 149 bool should_update_tile_priorities_; |
148 bool has_gpu_rasterization_hint_; | 150 bool has_gpu_rasterization_hint_; |
| 151 bool should_use_low_res_tiling_; |
149 | 152 |
150 friend class PictureLayer; | 153 friend class PictureLayer; |
151 DISALLOW_COPY_AND_ASSIGN(PictureLayerImpl); | 154 DISALLOW_COPY_AND_ASSIGN(PictureLayerImpl); |
152 }; | 155 }; |
153 | 156 |
154 } // namespace cc | 157 } // namespace cc |
155 | 158 |
156 #endif // CC_LAYERS_PICTURE_LAYER_IMPL_H_ | 159 #endif // CC_LAYERS_PICTURE_LAYER_IMPL_H_ |
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