cc: Add tile pool to tile manager.

cc/resources/tile.cc

 // 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.
 
 #include "cc/resources/tile.h"
 
 #include "cc/base/math_util.h"
 #include "cc/debug/traced_value.h"
 #include "cc/resources/tile_manager.h"
 #include "third_party/khronos/GLES2/gl2.h"
 
 namespace cc {
 
-Tile::Id Tile::s_next_id_ = 0;
+Tile::Id Tile::s_next_id_ = 1;
 
-Tile::Tile(TileManager* tile_manager,
-           PicturePileImpl* picture_pile,
-           gfx::Size tile_size,
-           gfx::Rect content_rect,
-           gfx::Rect opaque_rect,
-           float contents_scale,
-           int layer_id,
-           int source_frame_number,
-           bool can_use_lcd_text)
+Tile::Tile(TileManager* tile_manager)
   : RefCountedManaged<Tile>(tile_manager),
     tile_manager_(tile_manager),
-    tile_size_(tile_size),
-    content_rect_(content_rect),
-    contents_scale_(contents_scale),
-    opaque_rect_(opaque_rect),
-    layer_id_(layer_id),
-    source_frame_number_(source_frame_number),
-    can_use_lcd_text_(can_use_lcd_text),
-    id_(s_next_id_++) {
-  set_picture_pile(picture_pile);
-}
+    id_(0) {}
 
 Tile::~Tile() {
   TRACE_EVENT_OBJECT_DELETED_WITH_ID(
       TRACE_DISABLED_BY_DEFAULT("cc.debug") ","
           TRACE_DISABLED_BY_DEFAULT("cc.debug.quads"),
       "cc::Tile", this);
 }
 
+void Tile::Reset(PicturePileImpl* picture_pile,
+                 gfx::Size tile_size,
+                 gfx::Rect content_rect,
+                 gfx::Rect opaque_rect,
+                 float contents_scale,
+                 int layer_id,
+                 int source_frame_number,
+                 bool can_use_lcd_text) {
+  tile_size_ = tile_size;
+  content_rect_ = content_rect;
+  contents_scale_ = contents_scale;
+  opaque_rect_ = opaque_rect;
+  layer_id_ = layer_id;
+  source_frame_number_ = source_frame_number;
+  can_use_lcd_text_ = can_use_lcd_text;
+  set_picture_pile(picture_pile);
+  id_ = s_next_id_++;
+}
+
 void Tile::SetPriority(WhichTree tree, const TilePriority& priority) {
   if (priority == priority_[tree])
     return;
 
   priority_[tree] = priority;
   tile_manager_->DidChangeTilePriority(this);
 }
 
 void Tile::MarkRequiredForActivation() {
   if (priority_[PENDING_TREE].required_for_activation)
@@ skipping 19 matching lines @@
 }
 
 size_t Tile::GPUMemoryUsageInBytes() const {
   size_t total_size = 0;
   for (int mode = 0; mode < NUM_RASTER_MODES; ++mode)
     total_size += managed_state_.tile_versions[mode].GPUMemoryUsageInBytes();
   return total_size;
 }
 
 }  // namespace cc