cc: Check for completed raster tasks at interval.

cc/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_TILE_MANAGER_H_
 #define CC_TILE_MANAGER_H_
 
 #include <list>
 #include <queue>
 #include <vector>
@@ skipping 133 matching lines @@
       return;
     client_->ScheduleManageTiles();
     manage_tiles_pending_ = true;
   }
   void DispatchMoreTasks();
   void GatherPixelRefsForTile(Tile* tile);
   void DispatchImageDecodeTasksForTile(Tile* tile);
   void DispatchOneImageDecodeTask(
       scoped_refptr<Tile> tile, skia::LazyPixelRef* pixel_ref);
   void OnImageDecodeTaskCompleted(
-      scoped_refptr<Tile> tile, uint32_t pixel_ref_id);
+      scoped_refptr<Tile> tile,
+      uint32_t pixel_ref_id,
+      bool more_tasks_completed);
   bool CanDispatchRasterTask(Tile* tile);
   scoped_ptr<ResourcePool::Resource> PrepareTileForRaster(Tile* tile);
   void DispatchOneRasterTask(scoped_refptr<Tile> tile);
   void PerformOneRaster(Tile* tile);
   void OnRasterCompleted(
       scoped_refptr<Tile> tile,
       scoped_ptr<ResourcePool::Resource> resource,
       int manage_tiles_call_count_when_dispatched);
   void OnRasterTaskCompleted(
       scoped_refptr<Tile> tile,
       scoped_ptr<ResourcePool::Resource> resource,
-      int manage_tiles_call_count_when_dispatched);
+      int manage_tiles_call_count_when_dispatched,
+      bool more_tasks_completed);

[nduca, 2013/02/13 08:29:32]

might tweak the name, i cant quite tell if this means more_tasks_will_come or
there_are_no_more_tasks_that_will_arrive :)

[reveman, 2013/02/13 08:46:38]

more_tasks_have_completed?

   void DidFinishTileInitialization(Tile* tile);
   void DidTileRasterStateChange(Tile* tile, TileRasterState state);
   void DidTileBinChange(Tile* tile,
                         TileManagerBin bin,
                         WhichTree tree);
   scoped_ptr<Value> GetMemoryRequirementsAsValue() const;
 
   static void PerformRaster(uint8* buffer,
                             const gfx::Rect& rect,
                             float contents_scale,
@@ skipping 19 matching lines @@
   TileVector tiles_that_need_to_be_rasterized_;
 
   typedef std::list<Tile*> TileList;
   // Tiles with image decoding tasks. These tiles need to be rasterized
   // when all the image decoding tasks finish.
   TileList tiles_with_image_decoding_tasks_;
 
   typedef base::hash_map<uint32_t, skia::LazyPixelRef*> PixelRefMap;
   PixelRefMap pending_decode_tasks_;
 
+  size_t bytes_pending_raster_;
+
   typedef std::queue<scoped_refptr<Tile> > TileQueue;
   TileQueue tiles_with_pending_set_pixels_;
   size_t bytes_pending_set_pixels_;
+  bool need_shallow_flush_;
   bool ever_exceeded_memory_budget_;
   MemoryHistory::Entry memory_stats_from_last_assign_;
 
   bool record_rendering_stats_;
   RenderingStats rendering_stats_;
 
   bool use_cheapness_estimator_;
   int raster_state_count_[NUM_STATES][NUM_TREES][NUM_BINS];
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_TILE_MANAGER_H_