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// 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/tile.h"
#include "cc/tile_manager.h"
#include "third_party/khronos/GLES2/gl2.h"
namespace cc {
Tile::Tile(TileManager* tile_manager,
PicturePileImpl* picture_pile,
gfx::Size tile_size,
GLenum format,
gfx::Rect content_rect,
float contents_scale)
: tile_manager_(tile_manager),
picture_pile_(picture_pile),
tile_size_(tile_size),
format_(format),
content_rect_(content_rect),
contents_scale_(contents_scale) {
tile_manager_->RegisterTile(this);
}
Tile::~Tile() {
tile_manager_->UnregisterTile(this);
}
void Tile::set_priority(WhichTree tree, const TilePriority& priority) {
tile_manager_->WillModifyTilePriority(this, tree, priority);
priority_[tree] = priority;
}
ResourceProvider::ResourceId Tile::GetResourceId() const {
if (!managed_state_.resource)
return 0;
if (managed_state_.resource_is_being_initialized)
return 0;
return managed_state_.resource->id();
}
size_t Tile::bytes_consumed_if_allocated() const {
DCHECK(format_ == GL_RGBA);
return 4 * tile_size_.width() * tile_size_.height();
}
} // namespace cc
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