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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_TILE_MANAGER_H_ | 5 #ifndef CC_TILE_MANAGER_H_ |
6 #define CC_TILE_MANAGER_H_ | 6 #define CC_TILE_MANAGER_H_ |
7 | 7 |
8 #include <list> | 8 #include <list> |
9 #include <queue> | 9 #include <queue> |
10 #include <set> | 10 #include <set> |
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59 enum TileRasterState { | 59 enum TileRasterState { |
60 IDLE_STATE = 0, | 60 IDLE_STATE = 0, |
61 WAITING_FOR_RASTER_STATE = 1, | 61 WAITING_FOR_RASTER_STATE = 1, |
62 RASTER_STATE = 2, | 62 RASTER_STATE = 2, |
63 UPLOAD_STATE = 3, | 63 UPLOAD_STATE = 3, |
64 NUM_STATES = 4 | 64 NUM_STATES = 4 |
65 }; | 65 }; |
66 scoped_ptr<base::Value> TileRasterStateAsValue( | 66 scoped_ptr<base::Value> TileRasterStateAsValue( |
67 TileRasterState bin); | 67 TileRasterState bin); |
68 | 68 |
69 // This is state that is specific to a tile that is | |
70 // managed by the TileManager. | |
71 class CC_EXPORT ManagedTileState { | |
72 public: | |
73 ManagedTileState(); | |
74 ~ManagedTileState(); | |
75 scoped_ptr<base::Value> AsValue() const; | |
76 | |
77 // Persisted state: valid all the time. | |
78 bool can_use_gpu_memory; | |
79 bool can_be_freed; | |
80 scoped_ptr<ResourcePool::Resource> resource; | |
81 bool resource_is_being_initialized; | |
82 bool contents_swizzled; | |
83 bool need_to_gather_pixel_refs; | |
84 std::list<skia::LazyPixelRef*> pending_pixel_refs; | |
85 TileRasterState raster_state; | |
86 | |
87 // Ephemeral state, valid only during Manage. | |
88 TileManagerBin bin[NUM_BIN_PRIORITIES]; | |
89 TileManagerBin tree_bin[NUM_TREES]; | |
90 // The bin that the tile would have if the GPU memory manager had a maximally
permissive policy, | |
91 // send to the GPU memory manager to determine policy. | |
92 TileManagerBin gpu_memmgr_stats_bin; | |
93 TileResolution resolution; | |
94 float time_to_needed_in_seconds; | |
95 float distance_to_visible_in_pixels; | |
96 PicturePileImpl::Analysis picture_pile_analysis; | |
97 bool picture_pile_analyzed; | |
98 }; | |
99 | |
100 // This class manages tiles, deciding which should get rasterized and which | 69 // This class manages tiles, deciding which should get rasterized and which |
101 // should no longer have any memory assigned to them. Tile objects are "owned" | 70 // should no longer have any memory assigned to them. Tile objects are "owned" |
102 // by layers; they automatically register with the manager when they are | 71 // by layers; they automatically register with the manager when they are |
103 // created, and unregister from the manager when they are deleted. | 72 // created, and unregister from the manager when they are deleted. |
104 class CC_EXPORT TileManager : public WorkerPoolClient { | 73 class CC_EXPORT TileManager : public WorkerPoolClient { |
105 public: | 74 public: |
106 TileManager(TileManagerClient* client, | 75 TileManager(TileManagerClient* client, |
107 ResourceProvider *resource_provider, | 76 ResourceProvider *resource_provider, |
108 size_t num_raster_threads, | 77 size_t num_raster_threads, |
109 bool use_cheapess_estimator, | 78 bool use_cheapess_estimator, |
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251 | 220 |
252 size_t pending_tasks_; | 221 size_t pending_tasks_; |
253 size_t max_pending_tasks_; | 222 size_t max_pending_tasks_; |
254 | 223 |
255 DISALLOW_COPY_AND_ASSIGN(TileManager); | 224 DISALLOW_COPY_AND_ASSIGN(TileManager); |
256 }; | 225 }; |
257 | 226 |
258 } // namespace cc | 227 } // namespace cc |
259 | 228 |
260 #endif // CC_TILE_MANAGER_H_ | 229 #endif // CC_TILE_MANAGER_H_ |
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