cc/resources/gpu_tile_task_worker_pool.h

   1 // Copyright 2014 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_GPU_TILE_TASK_WORKER_POOL_H_
   6 #define CC_RESOURCES_GPU_TILE_TASK_WORKER_POOL_H_
   7
   8 #include "base/memory/weak_ptr.h"
   9 #include "cc/resources/tile_task_runner.h"
  10 #include "cc/resources/tile_task_worker_pool.h"
  11
  12 namespace cc {
  13 class ResourceProvider;
  14
  15 class CC_EXPORT GpuTileTaskWorkerPool : public TileTaskWorkerPool,
  16                                         public TileTaskRunner,
  17                                         public TileTaskClient {
  18  public:
  19   ~GpuTileTaskWorkerPool() override;
  20
  21   static scoped_ptr<TileTaskWorkerPool> Create(
  22       base::SequencedTaskRunner* task_runner,
  23       TaskGraphRunner* task_graph_runner,
  24       ResourceProvider* resource_provider);
  25
  26   // Overridden from TileTaskWorkerPool:
  27   TileTaskRunner* AsTileTaskRunner() override;
  28
  29   // Overridden from TileTaskRunner:
  30   void SetClient(TileTaskRunnerClient* client) override;
  31   void Shutdown() override;
  32   void ScheduleTasks(TileTaskQueue* queue) override;
  33   void CheckForCompletedTasks() override;
  34   ResourceFormat GetResourceFormat() override;
  35
  36   // Overridden from TileTaskClient:
  37   scoped_ptr<RasterBuffer> AcquireBufferForRaster(
  38       const Resource* resource) override;
  39   void ReleaseBufferForRaster(scoped_ptr<RasterBuffer> buffer) override;
  40
  41  private:
  42   GpuTileTaskWorkerPool(base::SequencedTaskRunner* task_runner,
  43                         TaskGraphRunner* task_graph_runner,
  44                         ResourceProvider* resource_provider);
  45
  46   void OnTaskSetFinished(TaskSet task_set);
  47   void CompleteTasks(const Task::Vector& tasks);
  48
  49   scoped_refptr<base::SequencedTaskRunner> task_runner_;
  50   TaskGraphRunner* task_graph_runner_;
  51   const NamespaceToken namespace_token_;
  52   TileTaskRunnerClient* client_;
  53   ResourceProvider* resource_provider_;
  54
  55   TaskSetCollection tasks_pending_;
  56
  57   scoped_refptr<TileTask> task_set_finished_tasks_[kNumberOfTaskSets];
  58
  59   // Task graph used when scheduling tasks and vector used to gather
  60   // completed tasks.
  61   TaskGraph graph_;
  62   Task::Vector completed_tasks_;
  63
  64   base::WeakPtrFactory<GpuTileTaskWorkerPool>
  65       task_set_finished_weak_ptr_factory_;
  66
  67   base::WeakPtrFactory<GpuTileTaskWorkerPool> weak_ptr_factory_;
  68
  69   DISALLOW_COPY_AND_ASSIGN(GpuTileTaskWorkerPool);
  70 };
  71
  72 }  // namespace cc
  73
  74 #endif  // CC_RESOURCES_GPU_TILE_TASK_WORKER_POOL_H_