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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. | |
4 | |
5 #ifndef CC_RESOURCES_IMAGE_RASTER_WORKER_POOL_H_ | |
6 #define CC_RESOURCES_IMAGE_RASTER_WORKER_POOL_H_ | |
7 | |
8 #include "base/memory/weak_ptr.h" | |
9 #include "base/values.h" | |
10 #include "cc/resources/raster_worker_pool.h" | |
11 #include "cc/resources/rasterizer.h" | |
12 | |
13 namespace base { | |
14 namespace debug { | |
15 class ConvertableToTraceFormat; | |
16 } | |
17 } | |
18 | |
19 namespace cc { | |
20 class ResourceProvider; | |
21 | |
22 class CC_EXPORT ImageRasterWorkerPool : public RasterWorkerPool, | |
23 public Rasterizer, | |
24 public RasterizerTaskClient { | |
25 public: | |
26 virtual ~ImageRasterWorkerPool(); | |
27 | |
28 static scoped_ptr<RasterWorkerPool> Create( | |
29 base::SequencedTaskRunner* task_runner, | |
30 TaskGraphRunner* task_graph_runner, | |
31 ResourceProvider* resource_provider); | |
32 | |
33 // Overridden from RasterWorkerPool: | |
34 virtual Rasterizer* AsRasterizer() OVERRIDE; | |
35 | |
36 // Overridden from Rasterizer: | |
37 virtual void SetClient(RasterizerClient* client) OVERRIDE; | |
38 virtual void Shutdown() OVERRIDE; | |
39 virtual void ScheduleTasks(RasterTaskQueue* queue) OVERRIDE; | |
40 virtual void CheckForCompletedTasks() OVERRIDE; | |
41 | |
42 // Overridden from RasterizerTaskClient: | |
43 virtual scoped_ptr<RasterBuffer> AcquireBufferForRaster( | |
44 const Resource* resource) OVERRIDE; | |
45 virtual void ReleaseBufferForRaster(scoped_ptr<RasterBuffer> buffer) OVERRIDE; | |
46 | |
47 protected: | |
48 ImageRasterWorkerPool(base::SequencedTaskRunner* task_runner, | |
49 TaskGraphRunner* task_graph_runner, | |
50 ResourceProvider* resource_provider); | |
51 | |
52 private: | |
53 void OnRasterFinished(TaskSet task_set); | |
54 scoped_refptr<base::debug::ConvertableToTraceFormat> StateAsValue() const; | |
55 | |
56 scoped_refptr<base::SequencedTaskRunner> task_runner_; | |
57 TaskGraphRunner* task_graph_runner_; | |
58 const NamespaceToken namespace_token_; | |
59 RasterizerClient* client_; | |
60 ResourceProvider* resource_provider_; | |
61 | |
62 TaskSetCollection raster_pending_; | |
63 | |
64 scoped_refptr<RasterizerTask> raster_finished_tasks_[kNumberOfTaskSets]; | |
65 | |
66 // Task graph used when scheduling tasks and vector used to gather | |
67 // completed tasks. | |
68 TaskGraph graph_; | |
69 Task::Vector completed_tasks_; | |
70 | |
71 base::WeakPtrFactory<ImageRasterWorkerPool> raster_finished_weak_ptr_factory_; | |
72 | |
73 DISALLOW_COPY_AND_ASSIGN(ImageRasterWorkerPool); | |
74 }; | |
75 | |
76 } // namespace cc | |
77 | |
78 #endif // CC_RESOURCES_IMAGE_RASTER_WORKER_POOL_H_ | |
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