src/cc/resources/direct_raster_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_DIRECT_RASTER_WORKER_POOL_H_
   6 #define CC_RESOURCES_DIRECT_RASTER_WORKER_POOL_H_
   7
   8 #include "cc/resources/raster_worker_pool.h"
   9
  10 namespace cc {
  11
  12 class CC_EXPORT DirectRasterWorkerPool : public RasterWorkerPool {
  13  public:
  14   virtual ~DirectRasterWorkerPool();
  15
  16   static scoped_ptr<RasterWorkerPool> Create(
  17       ResourceProvider* resource_provider,
  18       ContextProvider* context_provider);
  19
  20   // Overridden from RasterWorkerPool:
  21   virtual void ScheduleTasks(RasterTask::Queue* queue) OVERRIDE;
  22   virtual unsigned GetResourceTarget() const OVERRIDE;
  23   virtual ResourceFormat GetResourceFormat() const OVERRIDE;
  24   virtual void CheckForCompletedTasks() OVERRIDE;
  25
  26   // Overridden from internal::WorkerPoolTaskClient:
  27   virtual SkCanvas* AcquireCanvasForRaster(internal::RasterWorkerPoolTask* task)
  28       OVERRIDE;
  29   virtual void OnRasterCompleted(internal::RasterWorkerPoolTask* task,
  30                                  const PicturePileImpl::Analysis& analysis)
  31       OVERRIDE;
  32   virtual void OnImageDecodeCompleted(internal::WorkerPoolTask* task) OVERRIDE {
  33   }
  34
  35  protected:
  36   DirectRasterWorkerPool(ResourceProvider* resource_provider,
  37                          ContextProvider* context_provider);
  38
  39  private:
  40   // Overridden from RasterWorkerPool:
  41   virtual void OnRasterTasksFinished() OVERRIDE;
  42   virtual void OnRasterTasksRequiredForActivationFinished() OVERRIDE;
  43
  44   void ScheduleRunTasksOnOriginThread();
  45   void RunTasksOnOriginThread();
  46
  47   ContextProvider* context_provider_;
  48
  49   bool run_tasks_on_origin_thread_pending_;
  50
  51   RasterTask::Queue raster_tasks_;
  52
  53   bool raster_tasks_pending_;
  54   bool raster_tasks_required_for_activation_pending_;
  55
  56   internal::WorkerPoolTask::Vector completed_tasks_;
  57
  58   base::WeakPtrFactory<DirectRasterWorkerPool> weak_factory_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(DirectRasterWorkerPool);
  61 };
  62
  63 }  // namespace cc
  64
  65 #endif  // CC_RESOURCES_DIRECT_RASTER_WORKER_POOL_H_