cc: Consolidate the analysis_canvas operations

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 <set>
 #include <vector>
 
 #include "base/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "cc/memory_history.h"
+#include "cc/picture_pile_impl.h"
 #include "cc/rendering_stats.h"
 #include "cc/resource_pool.h"
 #include "cc/tile_priority.h"
 #include "cc/worker_pool.h"
 
 namespace cc {
 class RasterWorkerPool;
 class ResourceProvider;
 class Tile;
 class TileVersion;
@@ skipping 58 matching lines @@
 
   // Ephemeral state, valid only during Manage.
   TileManagerBin bin[NUM_BIN_PRIORITIES];
   TileManagerBin tree_bin[NUM_TREES];
   // The bin that the tile would have if the GPU memory manager had a maximally permissive policy,
   // send to the GPU memory manager to determine policy.
   TileManagerBin gpu_memmgr_stats_bin;
   TileResolution resolution;
   float time_to_needed_in_seconds;
   float distance_to_visible_in_pixels;
+  PicturePileImpl::Analysis picture_pile_analysis;
+  bool picture_pile_analyzed;
 };
 
 // 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 {
  public:
   TileManager(TileManagerClient* client,
               ResourceProvider *resource_provider,
               size_t num_raster_threads,
-              bool use_cheapess_estimator);
+              bool use_cheapess_estimator,
+              bool use_color_estimator,
+              bool prediction_benchmarking);
   virtual ~TileManager();
 
   const GlobalStateThatImpactsTilePriority& GlobalState() const {
       return global_state_;
   }
   void SetGlobalState(const GlobalStateThatImpactsTilePriority& state);
 
   void ManageTiles();
   void CheckForCompletedTileUploads();
   void AbortPendingTileUploads();
@@ skipping 24 matching lines @@
       Tile* tile, WhichTree tree, const TilePriority& new_priority) {
     // TODO(nduca): Do something smarter if reprioritization turns out to be
     // costly.
     ScheduleManageTiles();
   }
 
  private:
 
   // Data that is passed to raster tasks.
   struct RasterTaskMetadata {
-      bool use_cheapness_estimator;
+      bool prediction_benchmarking;
       bool is_tile_in_pending_tree_now_bin;
       TileResolution tile_resolution;
       int layer_id;
   };
 
   RasterTaskMetadata GetRasterTaskMetadata(const Tile& tile) const;
+
   void SortTiles();
   void AssignGpuMemoryToTiles();
   void FreeResourcesForTile(Tile* tile);
   void ScheduleManageTiles() {
     if (manage_tiles_pending_)
       return;
     client_->ScheduleManageTiles();
     manage_tiles_pending_ = true;
   }
   void DispatchMoreTasks();
+  void AnalyzeTile(Tile* tile);
   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);
   bool CanDispatchRasterTask(Tile* tile) const;
   scoped_ptr<ResourcePool::Resource> PrepareTileForRaster(Tile* tile);
   void DispatchOneRasterTask(scoped_refptr<Tile> tile);
@@ skipping 12 matching lines @@
                             const gfx::Rect& rect,
                             float contents_scale,
                             const RasterTaskMetadata& metadata,
                             PicturePileImpl* picture_pile,
                             RenderingStats* stats);
   static void RunImageDecodeTask(skia::LazyPixelRef* pixel_ref,
                                  RenderingStats* stats);
 
   static void RecordCheapnessPredictorResults(bool is_predicted_cheap,
                                               bool is_actually_cheap);
+  static void RecordSolidColorPredictorResults(const SkColor* actual_colors,
+                                               size_t color_count,
+                                               bool is_predicted_solid,
+                                               SkColor predicted_color,
+                                               bool is_predicted_transparent);
 
   TileManagerClient* client_;
   scoped_ptr<ResourcePool> resource_pool_;
   scoped_ptr<RasterWorkerPool> raster_worker_pool_;
   bool manage_tiles_pending_;
   int manage_tiles_call_count_;
 
   GlobalStateThatImpactsTilePriority global_state_;
 
   typedef std::vector<Tile*> TileVector;
@@ skipping 14 matching lines @@
   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_;
 
   bool record_rendering_stats_;
   RenderingStats rendering_stats_;
 
   bool use_cheapness_estimator_;
+  bool use_color_estimator_;
   bool did_schedule_cheap_tasks_;
   bool allow_cheap_tasks_;
   int raster_state_count_[NUM_STATES][NUM_TREES][NUM_BINS];
+  bool prediction_benchmarking_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_TILE_MANAGER_H_