cc/resources/bitmap_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_BITMAP_RASTER_WORKER_POOL_H_
   6 #define CC_RESOURCES_BITMAP_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 BitmapRasterWorkerPool : public RasterWorkerPool,
  23                                          public Rasterizer,
  24                                          public RasterizerTaskClient {
  25  public:
  26   virtual ~BitmapRasterWorkerPool();
  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   BitmapRasterWorkerPool(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<BitmapRasterWorkerPool>
  72       raster_finished_weak_ptr_factory_;
  73
  74   DISALLOW_COPY_AND_ASSIGN(BitmapRasterWorkerPool);
  75 };
  76
  77 }  // namespace cc
  78
  79 #endif  // CC_RESOURCES_BITMAP_RASTER_WORKER_POOL_H_