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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_RASTER_TILE_TASK_WORKER_POOL_H_ | 5 #ifndef CC_RASTER_TILE_TASK_WORKER_POOL_H_ |
6 #define CC_RASTER_TILE_TASK_WORKER_POOL_H_ | 6 #define CC_RASTER_TILE_TASK_WORKER_POOL_H_ |
7 | 7 |
8 #include "cc/raster/tile_task_runner.h" | 8 #include "cc/raster/tile_task_runner.h" |
9 #include "ui/gfx/geometry/rect.h" | 9 #include "ui/gfx/geometry/rect.h" |
10 #include "ui/gfx/geometry/size.h" | 10 #include "ui/gfx/geometry/size.h" |
11 | 11 |
12 namespace base { | 12 namespace base { |
13 class SequencedTaskRunner; | 13 class SequencedTaskRunner; |
14 } | 14 } |
15 | 15 |
16 namespace cc { | 16 namespace cc { |
17 class DisplayListRasterSource; | 17 class DisplayListRasterSource; |
18 class RenderingStatsInstrumentation; | 18 class RenderingStatsInstrumentation; |
19 | 19 |
20 class CC_EXPORT TileTaskWorkerPool { | 20 class CC_EXPORT TileTaskWorkerPool { |
21 public: | 21 public: |
22 static size_t kBenchmarkTaskPriority; | |
23 static size_t kTaskSetFinishedTaskPriorityBase; | |
24 static size_t kTileTaskPriorityBase; | |
25 | |
26 TileTaskWorkerPool(); | 22 TileTaskWorkerPool(); |
27 virtual ~TileTaskWorkerPool(); | 23 virtual ~TileTaskWorkerPool(); |
28 | 24 |
29 // Utility function that can be used to create a "Task set finished" task that | |
30 // posts |callback| to |task_runner| when run. | |
31 static scoped_refptr<TileTask> CreateTaskSetFinishedTask( | |
32 base::SequencedTaskRunner* task_runner, | |
33 const base::Closure& callback); | |
34 | |
35 // Utility function that can be used to call ::ScheduleOnOriginThread() for | 25 // Utility function that can be used to call ::ScheduleOnOriginThread() for |
36 // each task in |graph|. | 26 // each task in |graph|. |
37 static void ScheduleTasksOnOriginThread(TileTaskClient* client, | 27 static void ScheduleTasksOnOriginThread(TileTaskClient* client, |
38 TaskGraph* graph); | 28 TaskGraph* graph); |
39 | 29 |
40 // Utility function that can be used to build a task graph. Inserts a node | |
41 // that represents |task| in |graph|. See TaskGraph definition for valid | |
42 // |priority| values. | |
43 static void InsertNodeForTask(TaskGraph* graph, | |
44 TileTask* task, | |
45 size_t priority, | |
46 size_t dependencies); | |
47 | |
48 // Utility function that can be used to build a task graph. Inserts nodes that | |
49 // represent |task| and all its image decode dependencies in |graph|. | |
50 static void InsertNodesForRasterTask( | |
51 TaskGraph* graph, | |
52 RasterTask* task, | |
53 const ImageDecodeTask::Vector& decode_tasks, | |
54 size_t priority); | |
55 | |
56 // Utility function that will create a temporary bitmap and copy pixels to | 30 // Utility function that will create a temporary bitmap and copy pixels to |
57 // |memory| when necessary. The |canvas_bitmap_rect| is the rect of the bitmap | 31 // |memory| when necessary. The |canvas_bitmap_rect| is the rect of the bitmap |
58 // being played back in the pixel space of the source, ie a rect in the source | 32 // being played back in the pixel space of the source, ie a rect in the source |
59 // that will cover the resulting |memory|. The |canvas_playback_rect| can be a | 33 // that will cover the resulting |memory|. The |canvas_playback_rect| can be a |
60 // smaller contained rect inside the |canvas_bitmap_rect| if the |memory| is | 34 // smaller contained rect inside the |canvas_bitmap_rect| if the |memory| is |
61 // already partially complete, and only the subrect needs to be played back. | 35 // already partially complete, and only the subrect needs to be played back. |
62 static void PlaybackToMemory(void* memory, | 36 static void PlaybackToMemory(void* memory, |
63 ResourceFormat format, | 37 ResourceFormat format, |
64 const gfx::Size& size, | 38 const gfx::Size& size, |
65 size_t stride, | 39 size_t stride, |
66 const DisplayListRasterSource* raster_source, | 40 const DisplayListRasterSource* raster_source, |
67 const gfx::Rect& canvas_bitmap_rect, | 41 const gfx::Rect& canvas_bitmap_rect, |
68 const gfx::Rect& canvas_playback_rect, | 42 const gfx::Rect& canvas_playback_rect, |
69 float scale, | 43 float scale, |
70 bool include_images); | 44 bool include_images); |
71 | 45 |
72 // Type-checking downcast routine. | 46 // Type-checking downcast routine. |
73 virtual TileTaskRunner* AsTileTaskRunner() = 0; | 47 virtual TileTaskRunner* AsTileTaskRunner() = 0; |
74 }; | 48 }; |
75 | 49 |
76 } // namespace cc | 50 } // namespace cc |
77 | 51 |
78 #endif // CC_RASTER_TILE_TASK_WORKER_POOL_H_ | 52 #endif // CC_RASTER_TILE_TASK_WORKER_POOL_H_ |
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