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Side by Side Diff: cc/picture_layer_tiling_set.h

Issue 11704002: cc: Generate tilings at other scales for impl-side painting (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Create tilings during pinch Created 7 years, 11 months 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_PICTURE_LAYER_TILING_SET_H_ 5 #ifndef CC_PICTURE_LAYER_TILING_SET_H_
6 #define CC_PICTURE_LAYER_TILING_SET_H_ 6 #define CC_PICTURE_LAYER_TILING_SET_H_
7 7
8 #include "cc/picture_layer_tiling.h" 8 #include "cc/picture_layer_tiling.h"
9 #include "cc/region.h" 9 #include "cc/region.h"
10 #include "cc/scoped_ptr_vector.h" 10 #include "cc/scoped_ptr_vector.h"
11 #include "ui/gfx/size.h" 11 #include "ui/gfx/size.h"
12 12
13 namespace cc { 13 namespace cc {
14 14
15 class CC_EXPORT PictureLayerTilingSet { 15 class CC_EXPORT PictureLayerTilingSet {
16 public: 16 public:
17 PictureLayerTilingSet(PictureLayerTilingClient* client); 17 PictureLayerTilingSet(PictureLayerTilingClient* client);
18 ~PictureLayerTilingSet(); 18 ~PictureLayerTilingSet();
19 19
20 // Shallow copies all data (except client and bounds from other). 20 // Shallow copies all data (except client and bounds from other).
21 void CloneAll( 21 void CloneAll(
22 const PictureLayerTilingSet& other, 22 const PictureLayerTilingSet& other,
23 const Region& invalidation); 23 const Region& invalidation);
24 void Clone(const PictureLayerTiling* tiling, const Region& invalidation); 24 void Clone(const PictureLayerTiling* tiling, const Region& invalidation);
25 25
26 void SetLayerBounds(gfx::Size layer_bounds); 26 void SetLayerBounds(gfx::Size layer_bounds);
27 gfx::Size LayerBounds() const; 27 gfx::Size LayerBounds() const;
28 28
29 const PictureLayerTiling* AddTiling( 29 PictureLayerTiling* AddTiling(
30 float contents_scale, 30 float contents_scale,
31 gfx::Size tile_size); 31 gfx::Size tile_size);
32 size_t num_tilings() const { return tilings_.size(); } 32 size_t num_tilings() const { return tilings_.size(); }
33 PictureLayerTiling* tiling_at(size_t idx) { return tilings_[idx]; } 33 PictureLayerTiling* tiling_at(size_t idx) { return tilings_[idx]; }
34 34
35 // Remove all tilings.
36 void RemoveAll();
danakj 2013/01/08 23:27:16 How about RemoveAllTilings() and RemoveTiling(Tili
enne (OOO) 2013/01/08 23:54:38 Done.
37
38 void Remove(PictureLayerTiling* tiling);
39
40 // Remove all tiles, but keep all tilings.
35 void Reset(); 41 void Reset();
danakj 2013/01/07 22:35:56 Maybe for separate CL, but this function name coul
enne (OOO) 2013/01/08 01:08:00 Which function? Reset does say what it does. I ca
danakj 2013/01/08 23:27:16 // Remove all tiles, but keep all tilings. void Re
36 42
37 void UpdateTilePriorities( 43 void UpdateTilePriorities(
38 WhichTree tree, 44 WhichTree tree,
39 const gfx::Size& device_viewport, 45 const gfx::Size& device_viewport,
40 float layer_content_scale_x, 46 float layer_content_scale_x,
41 float layer_content_scale_y, 47 float layer_content_scale_y,
42 const gfx::Transform& last_screen_transform, 48 const gfx::Transform& last_screen_transform,
43 const gfx::Transform& current_screen_transform, 49 const gfx::Transform& current_screen_transform,
44 double time_delta); 50 double time_delta);
45 51
46 // For a given rect, iterates through tiles that can fill it. If no 52 // For a given rect, iterates through tiles that can fill it. If no
47 // set of tiles with resources can fill the rect, then it will iterate 53 // set of tiles with resources can fill the rect, then it will iterate
48 // through null tiles with valid geometry_rect() until the rect is full. 54 // through null tiles with valid geometry_rect() until the rect is full.
49 // If all tiles have resources, the union of all geometry_rects will 55 // If all tiles have resources, the union of all geometry_rects will
50 // exactly fill rect with no overlap. 56 // exactly fill rect with no overlap.
51 class CC_EXPORT Iterator { 57 class CC_EXPORT Iterator {
52 public: 58 public:
53 Iterator( 59 Iterator(
54 const PictureLayerTilingSet* set, 60 const PictureLayerTilingSet* set,
55 float contents_scale, 61 float contents_scale,
56 gfx::Rect rect); 62 gfx::Rect content_rect,
63 float ideal_contents_scale);
57 ~Iterator(); 64 ~Iterator();
58 65
59 // Visible rect (no borders), always in the space of rect, 66 // Visible rect (no borders), always in the space of rect,
60 // regardless of the relative contents scale of the tiling. 67 // regardless of the relative contents scale of the tiling.
61 gfx::Rect geometry_rect() const; 68 gfx::Rect geometry_rect() const;
62 // Texture rect (in texels) for geometry_rect 69 // Texture rect (in texels) for geometry_rect
63 gfx::RectF texture_rect() const; 70 gfx::RectF texture_rect() const;
64 // Texture size in texels 71 // Texture size in texels
65 gfx::Size texture_size() const; 72 gfx::Size texture_size() const;
66 73
67 Tile* operator->() const; 74 Tile* operator->() const;
68 Tile* operator*() const; 75 Tile* operator*() const;
69 76
70 Iterator& operator++(); 77 Iterator& operator++();
71 operator bool() const; 78 operator bool() const;
72 79
80 PictureLayerTiling* CurrentTiling();
81
73 private: 82 private:
83 int NextTiling() const;
84
74 const PictureLayerTilingSet* set_; 85 const PictureLayerTilingSet* set_;
75 float contents_scale_; 86 float contents_scale_;
87 float ideal_contents_scale_;
76 PictureLayerTiling::Iterator tiling_iter_; 88 PictureLayerTiling::Iterator tiling_iter_;
77 int current_tiling_; 89 int current_tiling_;
90 int ideal_tiling_;
78 91
79 Region current_region_; 92 Region current_region_;
80 Region missing_region_; 93 Region missing_region_;
81 Region::Iterator region_iter_; 94 Region::Iterator region_iter_;
82 }; 95 };
83 96
84 private: 97 private:
85 PictureLayerTilingClient* client_; 98 PictureLayerTilingClient* client_;
86 gfx::Size layer_bounds_; 99 gfx::Size layer_bounds_;
87 ScopedPtrVector<PictureLayerTiling> tilings_; 100 ScopedPtrVector<PictureLayerTiling> tilings_;
88 Region invalidation_; 101 Region invalidation_;
89 102
90 friend class Iterator; 103 friend class Iterator;
91 }; 104 };
92 105
93 } // namespace cc 106 } // namespace cc
94 107
95 #endif // CC_PICTURE_LAYER_TILING_SET_H_ 108 #endif // CC_PICTURE_LAYER_TILING_SET_H_
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