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
3 // found in the LICENSE file.
5 #ifndef CC_RASTER_TILE_TASK_WORKER_POOL_H_
6 #define CC_RASTER_TILE_TASK_WORKER_POOL_H_
8 #include "cc/raster/tile_task_runner.h"
9 #include "ui/gfx/geometry/rect.h"
10 #include "ui/gfx/geometry/size.h"
13 class SequencedTaskRunner
;
18 class RenderingStatsInstrumentation
;
20 class CC_EXPORT TileTaskWorkerPool
{
22 static unsigned kBenchmarkTaskPriority
;
23 static unsigned kTaskSetFinishedTaskPriorityBase
;
24 static unsigned kTileTaskPriorityBase
;
27 virtual ~TileTaskWorkerPool();
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
);
35 // Utility function that can be used to call ::ScheduleOnOriginThread() for
36 // each task in |graph|.
37 static void ScheduleTasksOnOriginThread(TileTaskClient
* client
,
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
43 static void InsertNodeForTask(TaskGraph
* graph
,
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(
53 const ImageDecodeTask::Vector
& decode_tasks
,
56 // Utility function that will create a temporary bitmap and copy pixels to
57 // |memory| when necessary.
58 static void PlaybackToMemory(void* memory
,
59 ResourceFormat format
,
60 const gfx::Size
& size
,
62 const RasterSource
* raster_source
,
63 const gfx::Rect
& rect
,
66 // Type-checking downcast routine.
67 virtual TileTaskRunner
* AsTileTaskRunner() = 0;
72 #endif // CC_RASTER_TILE_TASK_WORKER_POOL_H_