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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_RESOURCES_PICTURE_LAYER_TILING_H_ | 5 #ifndef CC_RESOURCES_PICTURE_LAYER_TILING_H_ |
6 #define CC_RESOURCES_PICTURE_LAYER_TILING_H_ | 6 #define CC_RESOURCES_PICTURE_LAYER_TILING_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 #include <utility> | 9 #include <utility> |
10 #include <vector> | 10 #include <vector> |
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48 // This invalidation region defines the area (if any, it can by null) that | 48 // This invalidation region defines the area (if any, it can by null) that |
49 // tiles can not be shared between pending and active trees. | 49 // tiles can not be shared between pending and active trees. |
50 virtual const Region* GetPendingInvalidation() = 0; | 50 virtual const Region* GetPendingInvalidation() = 0; |
51 virtual const PictureLayerTiling* GetPendingOrActiveTwinTiling( | 51 virtual const PictureLayerTiling* GetPendingOrActiveTwinTiling( |
52 const PictureLayerTiling* tiling) const = 0; | 52 const PictureLayerTiling* tiling) const = 0; |
53 virtual PictureLayerTiling* GetRecycledTwinTiling( | 53 virtual PictureLayerTiling* GetRecycledTwinTiling( |
54 const PictureLayerTiling* tiling) = 0; | 54 const PictureLayerTiling* tiling) = 0; |
55 virtual TilePriority::PriorityBin GetMaxTilePriorityBin() const = 0; | 55 virtual TilePriority::PriorityBin GetMaxTilePriorityBin() const = 0; |
56 virtual WhichTree GetTree() const = 0; | 56 virtual WhichTree GetTree() const = 0; |
57 virtual bool RequiresHighResToDraw() const = 0; | 57 virtual bool RequiresHighResToDraw() const = 0; |
| 58 virtual bool HasValidTilePriorities() const = 0; |
58 | 59 |
59 protected: | 60 protected: |
60 virtual ~PictureLayerTilingClient() {} | 61 virtual ~PictureLayerTilingClient() {} |
61 }; | 62 }; |
62 | 63 |
63 class CC_EXPORT PictureLayerTiling { | 64 class CC_EXPORT PictureLayerTiling { |
64 public: | 65 public: |
65 static const int kBorderTexels = 1; | 66 static const int kBorderTexels = 1; |
66 | 67 |
67 ~PictureLayerTiling(); | 68 ~PictureLayerTiling(); |
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323 | 324 |
324 private: | 325 private: |
325 DISALLOW_ASSIGN(PictureLayerTiling); | 326 DISALLOW_ASSIGN(PictureLayerTiling); |
326 | 327 |
327 RectExpansionCache expansion_cache_; | 328 RectExpansionCache expansion_cache_; |
328 }; | 329 }; |
329 | 330 |
330 } // namespace cc | 331 } // namespace cc |
331 | 332 |
332 #endif // CC_RESOURCES_PICTURE_LAYER_TILING_H_ | 333 #endif // CC_RESOURCES_PICTURE_LAYER_TILING_H_ |
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