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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.
#ifndef CC_TILE_H_
#define CC_TILE_H_
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/scoped_vector.h"
#include "cc/layer_tree_host_impl.h"
#include "cc/picture_pile_impl.h"
#include "cc/resource_provider.h"
#include "cc/tile_manager.h"
#include "cc/tile_priority.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/size.h"
namespace cc {
class Tile;
class CC_EXPORT Tile : public base::RefCounted<Tile> {
public:
Tile(TileManager* tile_manager,
PicturePileImpl* picture_pile,
gfx::Size tile_size,
GLenum format,
gfx::Rect content_rect,
float contents_scale);
PicturePileImpl* picture_pile() {
return picture_pile_.get();
}
const TilePriority& priority(WhichTree tree) const {
return priority_[tree];
}
TilePriority combined_priority() const {
return TilePriority(priority_[ACTIVE_TREE],
priority_[PENDING_TREE]);
}
void set_priority(WhichTree tree, const TilePriority& priority);
// Returns 0 if not drawable.
ResourceProvider::ResourceId GetResourceId() const;
const gfx::Rect& opaque_rect() const { return opaque_rect_; }
bool contents_swizzled() const { return managed_state_.contents_swizzled; }
float contents_scale() const { return contents_scale_; }
gfx::Rect content_rect() const { return content_rect_; }
private:
// Methods called by by tile manager.
friend class TileManager;
friend class BinComparator;
ManagedTileState& managed_state() { return managed_state_; }
const ManagedTileState& managed_state() const { return managed_state_; }
size_t bytes_consumed_if_allocated() const;
// Normal private methods.
friend class base::RefCounted<Tile>;
~Tile();
TileManager* tile_manager_;
scoped_refptr<PicturePileImpl> picture_pile_;
gfx::Rect tile_size_;
GLenum format_;
gfx::Rect content_rect_;
float contents_scale_;
gfx::Rect opaque_rect_;
TilePriority priority_[2];
ManagedTileState managed_state_;
};
} // namespace cc
#endif // CC_TILE_H_
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