cc: Add new RasterWorkerPool interface.

cc/resources/tile_manager.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_RESOURCES_TILE_MANAGER_H_
 #define CC_RESOURCES_TILE_MANAGER_H_
 
 #include <queue>
 #include <set>
 #include <vector>
@@ skipping 42 matching lines @@
   LOW_PRIORITY_BIN = 1,
   NUM_BIN_PRIORITIES = 2
 };
 scoped_ptr<base::Value> TileManagerBinPriorityAsValue(
     TileManagerBinPriority bin);
 
 // This class manages tiles, deciding which should get rasterized and which
 // should no longer have any memory assigned to them. Tile objects are "owned"
 // by layers; they automatically register with the manager when they are
 // created, and unregister from the manager when they are deleted.
-class CC_EXPORT TileManager : public WorkerPoolClient {
+class CC_EXPORT TileManager {
  public:
   typedef base::hash_set<uint32_t> PixelRefSet;
 
   static scoped_ptr<TileManager> Create(
       TileManagerClient* client,
       ResourceProvider* resource_provider,
       size_t num_raster_threads,
       bool use_color_estimator,
       RenderingStatsInstrumentation* rendering_stats_instrumentation,
       bool use_map_image);
   virtual ~TileManager();
 
   const GlobalStateThatImpactsTilePriority& GlobalState() const {
       return global_state_;
   }
   void SetGlobalState(const GlobalStateThatImpactsTilePriority& state);
 
   void ManageTiles();
   void CheckForCompletedTileUploads();
-  void AbortPendingTileUploads();
 
   scoped_ptr<base::Value> BasicStateAsValue() const;
   scoped_ptr<base::Value> AllTilesAsValue() const;
   void GetMemoryStats(size_t* memory_required_bytes,
                       size_t* memory_nice_to_have_bytes,
                       size_t* memory_used_bytes) const;
 
   const MemoryHistory::Entry& memory_stats_from_last_assign() const {
     return memory_stats_from_last_assign_;
   }
 
-  // Overridden from WorkerPoolClient:
-  virtual void DidFinishDispatchingWorkerPoolCompletionCallbacks() OVERRIDE;
-
   void WillModifyTilePriorities() {
     ScheduleManageTiles();
   }
 
   bool AreTilesRequiredForActivationReady() const {
     return tiles_that_need_to_be_initialized_for_activation_.empty();
   }
 
  protected:
   TileManager(TileManagerClient* client,
               ResourceProvider* resource_provider,
               scoped_ptr<RasterWorkerPool> raster_worker_pool,
               size_t num_raster_threads,
               bool use_color_estimator,
-              RenderingStatsInstrumentation* rendering_stats_instrumentation,
-              bool use_map_image);
+              RenderingStatsInstrumentation* rendering_stats_instrumentation);
 
   // Methods called by Tile
   friend class Tile;
   void RegisterTile(Tile* tile);
   void UnregisterTile(Tile* tile);
 
   // Virtual for test
   virtual void ScheduleTasks();
 
  private:
   // Data that is passed to raster tasks.
   struct RasterTaskMetadata {
       scoped_ptr<base::Value> AsValue() const;
       bool is_tile_in_pending_tree_now_bin;
       TileResolution tile_resolution;
       int layer_id;
       const void* tile_id;
       int source_frame_number;
   };
 
   void AssignBinsToTiles();
   void SortTiles();
   void AssignGpuMemoryToTiles();
   void FreeResourcesForTile(Tile* tile);
-  void ForceTileUploadToComplete(Tile* tile);
   void ScheduleManageTiles() {
     if (manage_tiles_pending_)
       return;
     client_->ScheduleManageTiles();
     manage_tiles_pending_ = true;
   }
   RasterWorkerPool::Task CreateImageDecodeTask(
       Tile* tile, skia::LazyPixelRef* pixel_ref);
   void OnImageDecodeTaskCompleted(
       scoped_refptr<Tile> tile,
-      uint32_t pixel_ref_id,
-      bool was_canceled);
+      uint32_t pixel_ref_id);
   RasterTaskMetadata GetRasterTaskMetadata(const Tile& tile) const;
-  RasterWorkerPool::Task CreateRasterTask(Tile* tile);
+  RasterWorkerPool::RasterTask CreateRasterTask(Tile* tile);
   void OnRasterTaskCompleted(
       scoped_refptr<Tile> tile,
       scoped_ptr<ResourcePool::Resource> resource,
       PicturePileImpl::Analysis* analysis,
       bool was_canceled);
   void DidFinishTileInitialization(Tile* tile);
   void DidTileTreeBinChange(Tile* tile,
                             TileManagerBin new_tree_bin,
                             WhichTree tree);
   scoped_ptr<Value> GetMemoryRequirementsAsValue() const;
   void AddRequiredTileForActivation(Tile* tile);
 
   static void RunImageDecodeTask(
       skia::LazyPixelRef* pixel_ref,
       int layer_id,
       RenderingStatsInstrumentation* stats_instrumentation);
-  static void RunAnalyzeAndRasterTask(
-      const RasterWorkerPool::PictureTask::Callback& analyze_task,
-      const RasterWorkerPool::PictureTask::Callback& raster_task,
+  static bool RunAnalyzeAndRasterTask(
+      const base::Callback<void(PicturePileImpl* picture_pile)>& analyze_task,
+      const RasterWorkerPool::RasterTask::Callback& raster_task,
+      SkDevice* device,
       PicturePileImpl* picture_pile);
   static void RunAnalyzeTask(
       PicturePileImpl::Analysis* analysis,
       gfx::Rect rect,
       float contents_scale,
       bool use_color_estimator,
       const RasterTaskMetadata& metadata,
       RenderingStatsInstrumentation* stats_instrumentation,
       PicturePileImpl* picture_pile);
-  static void RunRasterTask(
-      uint8* buffer,
+  static bool RunRasterTask(
       PicturePileImpl::Analysis* analysis,
       gfx::Rect rect,
       float contents_scale,
       const RasterTaskMetadata& metadata,
       RenderingStatsInstrumentation* stats_instrumentation,
+      SkDevice* device,
       PicturePileImpl* picture_pile);
 
   TileManagerClient* client_;
   scoped_ptr<ResourcePool> resource_pool_;
   scoped_ptr<RasterWorkerPool> raster_worker_pool_;
   bool manage_tiles_pending_;
 
   GlobalStateThatImpactsTilePriority global_state_;
 
   typedef std::vector<Tile*> TileVector;
   TileVector tiles_;
   TileVector tiles_that_need_to_be_rasterized_;
   typedef std::set<Tile*> TileSet;
   TileSet tiles_that_need_to_be_initialized_for_activation_;
 
   typedef base::hash_map<uint32_t, RasterWorkerPool::Task> PixelRefMap;
   PixelRefMap pending_decode_tasks_;
 
-  typedef std::queue<scoped_refptr<Tile> > TileQueue;
-  TileQueue tiles_with_pending_upload_;
-  size_t bytes_pending_upload_;
-  bool has_performed_uploads_since_last_flush_;
   bool ever_exceeded_memory_budget_;
   MemoryHistory::Entry memory_stats_from_last_assign_;
 
   RenderingStatsInstrumentation* rendering_stats_instrumentation_;
 
   bool use_color_estimator_;
   bool did_initialize_visible_tile_;
 
-  size_t max_pending_tasks_;
-
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TILE_MANAGER_H_