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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_PILE_BASE_H_ | 5 #ifndef CC_RESOURCES_PICTURE_PILE_BASE_H_ |
6 #define CC_RESOURCES_PICTURE_PILE_BASE_H_ | 6 #define CC_RESOURCES_PICTURE_PILE_BASE_H_ |
7 | 7 |
8 #include <bitset> | 8 #include <bitset> |
9 #include <list> | 9 #include <list> |
10 #include <utility> | 10 #include <utility> |
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23 } | 23 } |
24 class Value; | 24 class Value; |
25 } | 25 } |
26 | 26 |
27 namespace cc { | 27 namespace cc { |
28 | 28 |
29 class CC_EXPORT PicturePileBase : public base::RefCounted<PicturePileBase> { | 29 class CC_EXPORT PicturePileBase : public base::RefCounted<PicturePileBase> { |
30 public: | 30 public: |
31 PicturePileBase(); | 31 PicturePileBase(); |
32 explicit PicturePileBase(const PicturePileBase* other); | 32 explicit PicturePileBase(const PicturePileBase* other); |
33 PicturePileBase(const PicturePileBase* other, unsigned thread_index); | |
34 | 33 |
35 gfx::Size tiling_size() const { return tiling_.tiling_size(); } | 34 gfx::Size tiling_size() const { return tiling_.tiling_size(); } |
36 void SetMinContentsScale(float min_contents_scale); | 35 void SetMinContentsScale(float min_contents_scale); |
37 | 36 |
38 // If non-empty, all pictures tiles inside this rect are recorded. There may | 37 // If non-empty, all pictures tiles inside this rect are recorded. There may |
39 // be recordings outside this rect, but everything inside the rect is | 38 // be recordings outside this rect, but everything inside the rect is |
40 // recorded. | 39 // recorded. |
41 gfx::Rect recorded_viewport() const { return recorded_viewport_; } | 40 gfx::Rect recorded_viewport() const { return recorded_viewport_; } |
42 | 41 |
43 int num_tiles_x() const { return tiling_.num_tiles_x(); } | 42 int num_tiles_x() const { return tiling_.num_tiles_x(); } |
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65 public: | 64 public: |
66 enum { | 65 enum { |
67 INVALIDATION_FRAMES_TRACKED = 32 | 66 INVALIDATION_FRAMES_TRACKED = 32 |
68 }; | 67 }; |
69 | 68 |
70 PictureInfo(); | 69 PictureInfo(); |
71 ~PictureInfo(); | 70 ~PictureInfo(); |
72 | 71 |
73 bool Invalidate(int frame_number); | 72 bool Invalidate(int frame_number); |
74 bool NeedsRecording(int frame_number, int distance_to_visible); | 73 bool NeedsRecording(int frame_number, int distance_to_visible); |
75 PictureInfo CloneForThread(int thread_index) const; | |
76 void SetPicture(scoped_refptr<Picture> picture); | 74 void SetPicture(scoped_refptr<Picture> picture); |
77 Picture* GetPicture() const; | 75 const Picture* GetPicture() const; |
78 | 76 |
79 float GetInvalidationFrequencyForTesting() const { | 77 float GetInvalidationFrequencyForTesting() const { |
80 return GetInvalidationFrequency(); | 78 return GetInvalidationFrequency(); |
81 } | 79 } |
82 | 80 |
83 private: | 81 private: |
84 void AdvanceInvalidationHistory(int frame_number); | 82 void AdvanceInvalidationHistory(int frame_number); |
85 float GetInvalidationFrequency() const; | 83 float GetInvalidationFrequency() const; |
86 | 84 |
87 int last_frame_number_; | 85 int last_frame_number_; |
88 scoped_refptr<Picture> picture_; | 86 scoped_refptr<const Picture> picture_; |
89 std::bitset<INVALIDATION_FRAMES_TRACKED> invalidation_history_; | 87 std::bitset<INVALIDATION_FRAMES_TRACKED> invalidation_history_; |
90 }; | 88 }; |
91 | 89 |
92 typedef std::pair<int, int> PictureMapKey; | 90 typedef std::pair<int, int> PictureMapKey; |
93 typedef base::hash_map<PictureMapKey, PictureInfo> PictureMap; | 91 typedef base::hash_map<PictureMapKey, PictureInfo> PictureMap; |
94 | 92 |
95 virtual ~PicturePileBase(); | 93 virtual ~PicturePileBase(); |
96 | 94 |
97 int buffer_pixels() const { return tiling_.border_texels(); } | 95 int buffer_pixels() const { return tiling_.border_texels(); } |
98 void Clear(); | 96 void Clear(); |
99 | 97 |
100 gfx::Rect PaddedRect(const PictureMapKey& key); | 98 gfx::Rect PaddedRect(const PictureMapKey& key) const; |
101 gfx::Rect PadRect(const gfx::Rect& rect); | 99 gfx::Rect PadRect(const gfx::Rect& rect) const; |
102 | 100 |
103 // An internal CanRaster check that goes to the picture_map rather than | 101 // An internal CanRaster check that goes to the picture_map rather than |
104 // using the recorded_viewport hint. | 102 // using the recorded_viewport hint. |
105 bool CanRasterSlowTileCheck(const gfx::Rect& layer_rect) const; | 103 bool CanRasterSlowTileCheck(const gfx::Rect& layer_rect) const; |
106 | 104 |
107 // A picture pile is a tiled set of pictures. The picture map is a map of tile | 105 // A picture pile is a tiled set of pictures. The picture map is a map of tile |
108 // indices to picture infos. | 106 // indices to picture infos. |
109 PictureMap picture_map_; | 107 PictureMap picture_map_; |
110 TilingData tiling_; | 108 TilingData tiling_; |
111 gfx::Rect recorded_viewport_; | 109 gfx::Rect recorded_viewport_; |
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125 private: | 123 private: |
126 void SetBufferPixels(int buffer_pixels); | 124 void SetBufferPixels(int buffer_pixels); |
127 | 125 |
128 friend class base::RefCounted<PicturePileBase>; | 126 friend class base::RefCounted<PicturePileBase>; |
129 DISALLOW_COPY_AND_ASSIGN(PicturePileBase); | 127 DISALLOW_COPY_AND_ASSIGN(PicturePileBase); |
130 }; | 128 }; |
131 | 129 |
132 } // namespace cc | 130 } // namespace cc |
133 | 131 |
134 #endif // CC_RESOURCES_PICTURE_PILE_BASE_H_ | 132 #endif // CC_RESOURCES_PICTURE_PILE_BASE_H_ |
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