Upstream version 7.36.149.0

[platform/framework/web/crosswalk.git] / src / cc / resources / pixel_buffer_raster_worker_pool.h

diff --git a/src/cc/resources/pixel_buffer_raster_worker_pool.h b/src/cc/resources/pixel_buffer_raster_worker_pool.h
index a856d8a..4f1c435 100644 (file)
--- a/src/cc/resources/pixel_buffer_raster_worker_pool.h
+++ b/src/cc/resources/pixel_buffer_raster_worker_pool.h
@@ -6,82 +6,130 @@
 #define CC_RESOURCES_PIXEL_BUFFER_RASTER_WORKER_POOL_H_
 
 #include <deque>
-#include <set>
 #include <vector>
 
-#include "base/containers/hash_tables.h"
+#include "base/memory/weak_ptr.h"
+#include "base/values.h"
 #include "cc/resources/raster_worker_pool.h"
+#include "cc/resources/rasterizer.h"
 
 namespace cc {
+class ResourceProvider;
 
-class CC_EXPORT PixelBufferRasterWorkerPool : public RasterWorkerPool {
+class CC_EXPORT PixelBufferRasterWorkerPool : public RasterWorkerPool,
+                                              public Rasterizer,
+                                              public RasterizerTaskClient {
  public:
   virtual ~PixelBufferRasterWorkerPool();
 
   static scoped_ptr<RasterWorkerPool> Create(
+      base::SequencedTaskRunner* task_runner,
+      TaskGraphRunner* task_graph_runner,
       ResourceProvider* resource_provider,
-      size_t num_threads,
-      size_t max_transfer_buffer_usage_bytes) {
-    return make_scoped_ptr<RasterWorkerPool>(
-        new PixelBufferRasterWorkerPool(resource_provider,
-                                        num_threads,
-                                        max_transfer_buffer_usage_bytes));
-  }
-
-  // Overridden from WorkerPool:
+      size_t max_transfer_buffer_usage_bytes);
+
+  // Overridden from RasterWorkerPool:
+  virtual Rasterizer* AsRasterizer() OVERRIDE;
+
+  // Overridden from Rasterizer:
+  virtual void SetClient(RasterizerClient* client) OVERRIDE;
   virtual void Shutdown() OVERRIDE;
+  virtual void ScheduleTasks(RasterTaskQueue* queue) OVERRIDE;
   virtual void CheckForCompletedTasks() OVERRIDE;
 
-  // Overridden from RasterWorkerPool:
-  virtual void ScheduleTasks(RasterTask::Queue* queue) OVERRIDE;
-  virtual ResourceFormat GetResourceFormat() const OVERRIDE;
-  virtual void OnRasterTasksFinished() OVERRIDE;
-  virtual void OnRasterTasksRequiredForActivationFinished() OVERRIDE;
+  // Overridden from RasterizerTaskClient:
+  virtual SkCanvas* AcquireCanvasForRaster(RasterTask* task) OVERRIDE;
+  virtual void ReleaseCanvasForRaster(RasterTask* task) OVERRIDE;
 
  private:
-  PixelBufferRasterWorkerPool(ResourceProvider* resource_provider,
-                              size_t num_threads,
+  struct RasterTaskState {
+    class TaskComparator {
+     public:
+      explicit TaskComparator(const RasterTask* task) : task_(task) {}
+
+      bool operator()(const RasterTaskState& state) const {
+        return state.task == task_;
+      }
+
+     private:
+      const RasterTask* task_;
+    };
+
+    typedef std::vector<RasterTaskState> Vector;
+
+    RasterTaskState(RasterTask* task, bool required_for_activation)
+        : type(UNSCHEDULED),
+          task(task),
+          required_for_activation(required_for_activation) {}
+
+    enum { UNSCHEDULED, SCHEDULED, UPLOADING, COMPLETED } type;
+    RasterTask* task;
+    bool required_for_activation;
+  };
+
+  typedef std::deque<scoped_refptr<RasterTask> > RasterTaskDeque;
+
+  PixelBufferRasterWorkerPool(base::SequencedTaskRunner* task_runner,
+                              TaskGraphRunner* task_graph_runner,
+                              ResourceProvider* resource_provider,
                               size_t max_transfer_buffer_usage_bytes);
 
+  void OnRasterFinished();
+  void OnRasterRequiredForActivationFinished();
   void FlushUploads();
   void CheckForCompletedUploads();
   void ScheduleCheckForCompletedRasterTasks();
+  void OnCheckForCompletedRasterTasks();
   void CheckForCompletedRasterTasks();
   void ScheduleMoreTasks();
-  void OnRasterTaskCompleted(
-      scoped_refptr<internal::RasterWorkerPoolTask> task,
-      bool was_canceled,
-      bool needs_upload);
-  void DidCompleteRasterTask(internal::RasterWorkerPoolTask* task);
   unsigned PendingRasterTaskCount() const;
   bool HasPendingTasks() const;
   bool HasPendingTasksRequiredForActivation() const;
+  void CheckForCompletedRasterizerTasks();
 
   const char* StateName() const;
   scoped_ptr<base::Value> StateAsValue() const;
   scoped_ptr<base::Value> ThrottleStateAsValue() const;
 
-  bool shutdown_;
+  scoped_refptr<base::SequencedTaskRunner> task_runner_;
+  TaskGraphRunner* task_graph_runner_;
+  const NamespaceToken namespace_token_;
+  RasterizerClient* client_;
+  ResourceProvider* resource_provider_;
 
-  TaskMap pixel_buffer_tasks_;
-
-  typedef std::deque<scoped_refptr<internal::RasterWorkerPoolTask> > TaskDeque;
-  TaskDeque tasks_with_pending_upload_;
-  TaskDeque completed_tasks_;
+  bool shutdown_;
 
-  typedef base::hash_set<internal::RasterWorkerPoolTask*> TaskSet;
-  TaskSet tasks_required_for_activation_;
+  RasterTaskQueue raster_tasks_;
+  RasterTaskState::Vector raster_task_states_;
+  RasterTaskDeque raster_tasks_with_pending_upload_;
+  RasterTask::Vector completed_raster_tasks_;
+  RasterizerTask::Vector completed_image_decode_tasks_;
 
   size_t scheduled_raster_task_count_;
+  size_t raster_tasks_required_for_activation_count_;
   size_t bytes_pending_upload_;
   size_t max_bytes_pending_upload_;
   bool has_performed_uploads_since_last_flush_;
-  base::CancelableClosure check_for_completed_raster_tasks_callback_;
+  base::TimeTicks check_for_completed_raster_tasks_time_;
   bool check_for_completed_raster_tasks_pending_;
 
   bool should_notify_client_if_no_tasks_are_pending_;
   bool should_notify_client_if_no_tasks_required_for_activation_are_pending_;
-  ResourceFormat format_;
+  bool raster_finished_task_pending_;
+  bool raster_required_for_activation_finished_task_pending_;
+
+  base::WeakPtrFactory<PixelBufferRasterWorkerPool>
+      raster_finished_weak_ptr_factory_;
+
+  scoped_refptr<RasterizerTask> raster_finished_task_;
+  scoped_refptr<RasterizerTask> raster_required_for_activation_finished_task_;
+
+  // Task graph used when scheduling tasks and vector used to gather
+  // completed tasks.
+  TaskGraph graph_;
+  Task::Vector completed_tasks_;
+
+  base::WeakPtrFactory<PixelBufferRasterWorkerPool> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PixelBufferRasterWorkerPool);
 };