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Side by Side Diff: cc/resources/picture_layer_tiling.h

Issue 676953003: cc: Always keep the PictureLayerImpl::twin_layer_ pointer valid. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: twins: anothercheck Created 6 years, 1 month ago
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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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37 // tiling) This might return null if the client cannot create such a tile. 37 // tiling) This might return null if the client cannot create such a tile.
38 virtual scoped_refptr<Tile> CreateTile( 38 virtual scoped_refptr<Tile> CreateTile(
39 PictureLayerTiling* tiling, 39 PictureLayerTiling* tiling,
40 const gfx::Rect& content_rect) = 0; 40 const gfx::Rect& content_rect) = 0;
41 virtual PicturePileImpl* GetPile() = 0; 41 virtual PicturePileImpl* GetPile() = 0;
42 virtual gfx::Size CalculateTileSize( 42 virtual gfx::Size CalculateTileSize(
43 const gfx::Size& content_bounds) const = 0; 43 const gfx::Size& content_bounds) const = 0;
44 // This invalidation region defines the area (if any, it can by null) that 44 // This invalidation region defines the area (if any, it can by null) that
45 // tiles can not be shared between pending and active trees. 45 // tiles can not be shared between pending and active trees.
46 virtual const Region* GetPendingInvalidation() = 0; 46 virtual const Region* GetPendingInvalidation() = 0;
47 virtual const PictureLayerTiling* GetTwinTiling( 47 virtual const PictureLayerTiling* GetPendingOrActiveTwinTiling(
48 const PictureLayerTiling* tiling) const = 0; 48 const PictureLayerTiling* tiling) const = 0;
49 virtual PictureLayerTiling* GetRecycledTwinTiling( 49 virtual PictureLayerTiling* GetRecycledTwinTiling(
50 const PictureLayerTiling* tiling) = 0; 50 const PictureLayerTiling* tiling) = 0;
51 virtual size_t GetMaxTilesForInterestArea() const = 0; 51 virtual size_t GetMaxTilesForInterestArea() const = 0;
52 virtual float GetSkewportTargetTimeInSeconds() const = 0; 52 virtual float GetSkewportTargetTimeInSeconds() const = 0;
53 virtual int GetSkewportExtrapolationLimitInContentPixels() const = 0; 53 virtual int GetSkewportExtrapolationLimitInContentPixels() const = 0;
54 virtual WhichTree GetTree() const = 0; 54 virtual WhichTree GetTree() const = 0;
55 virtual bool RequiresHighResToDraw() const = 0; 55 virtual bool RequiresHighResToDraw() const = 0;
56 56
57 protected: 57 protected:
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379 379
380 private: 380 private:
381 DISALLOW_ASSIGN(PictureLayerTiling); 381 DISALLOW_ASSIGN(PictureLayerTiling);
382 382
383 RectExpansionCache expansion_cache_; 383 RectExpansionCache expansion_cache_;
384 }; 384 };
385 385
386 } // namespace cc 386 } // namespace cc
387 387
388 #endif // CC_RESOURCES_PICTURE_LAYER_TILING_H_ 388 #endif // CC_RESOURCES_PICTURE_LAYER_TILING_H_
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