cc: Added raster source.

cc/resources/tile.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_H_
 #define CC_RESOURCES_TILE_H_
 
 #include "base/memory/ref_counted.h"
 #include "cc/base/ref_counted_managed.h"
 #include "cc/resources/managed_tile_state.h"
-#include "cc/resources/picture_pile_impl.h"
+#include "cc/resources/raster_source.h"
 #include "cc/resources/tile_priority.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace cc {
 
 class CC_EXPORT Tile : public RefCountedManaged<Tile> {
  public:
   enum TileRasterFlags { USE_PICTURE_ANALYSIS = 1 << 0 };
 
   typedef uint64 Id;
 
   Id id() const {
     return id_;
   }
 
-  PicturePileImpl* picture_pile() {
-    return picture_pile_.get();
-  }
+  RasterSource* raster_source() { return raster_source_.get(); }
 
-  const PicturePileImpl* picture_pile() const {
-    return picture_pile_.get();
-  }
+  const RasterSource* raster_source() const { return raster_source_.get(); }
 
   const TilePriority& priority(WhichTree tree) const {
     return priority_[tree];
   }
 
   TilePriority priority_for_tree_priority(TreePriority tree_priority) const {
     switch (tree_priority) {
       case SMOOTHNESS_TAKES_PRIORITY:
         return priority_[ACTIVE_TREE];
       case NEW_CONTENT_TAKES_PRIORITY:
@@ skipping 68 matching lines @@
 
   ManagedTileState::DrawInfo& draw_info() { return managed_state_.draw_info; }
 
   float contents_scale() const { return contents_scale_; }
   gfx::Rect content_rect() const { return content_rect_; }
 
   int layer_id() const { return layer_id_; }
 
   int source_frame_number() const { return source_frame_number_; }
 
-  void set_picture_pile(scoped_refptr<PicturePileImpl> pile) {
-    DCHECK(pile->CanRaster(contents_scale_, content_rect_))
+  void set_raster_source(scoped_refptr<RasterSource> raster_source) {
+    DCHECK(raster_source->RasterCoversRect(content_rect_, contents_scale_))
         << "Recording rect: "
         << gfx::ScaleToEnclosingRect(content_rect_, 1.f / contents_scale_)
                .ToString();
-    picture_pile_ = pile;
+    raster_source_ = raster_source;
   }
 
   size_t GPUMemoryUsageInBytes() const;
 
   gfx::Size size() const { return size_; }
 
   void set_tiling_index(int i, int j) {
     tiling_i_index_ = i;
     tiling_j_index_ = j;
   }
   int tiling_i_index() const { return tiling_i_index_; }
   int tiling_j_index() const { return tiling_j_index_; }
 
  private:
   friend class TileManager;
   friend class PrioritizedTileSet;
   friend class FakeTileManager;
   friend class BinComparator;
   friend class FakePictureLayerImpl;
 
   // Methods called by by tile manager.
   Tile(TileManager* tile_manager,
-       PicturePileImpl* picture_pile,
+       RasterSource* raster_source,
        const gfx::Size& tile_size,
        const gfx::Rect& content_rect,
        float contents_scale,
        int layer_id,
        int source_frame_number,
        int flags);
   ~Tile();
 
   ManagedTileState& managed_state() { return managed_state_; }
   const ManagedTileState& managed_state() const { return managed_state_; }
 
   bool HasRasterTask() const;
 
   TileManager* tile_manager_;
-  scoped_refptr<PicturePileImpl> picture_pile_;
+  scoped_refptr<RasterSource> raster_source_;
   gfx::Size size_;
   gfx::Rect content_rect_;
   float contents_scale_;
   bool is_occluded_[NUM_TREES];
 
   TilePriority priority_[NUM_TREES];
   ManagedTileState managed_state_;
   int layer_id_;
   int source_frame_number_;
   int flags_;
   bool is_shared_;
   int tiling_i_index_;
   int tiling_j_index_;
   bool required_for_activation_;
 
   Id id_;
   static Id s_next_id_;
 
   DISALLOW_COPY_AND_ASSIGN(Tile);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TILE_H_