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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_RESOURCES_RESOURCE_UPDATE_QUEUE_H_
#define CC_RESOURCES_RESOURCE_UPDATE_QUEUE_H_
#include <deque>
#include "base/basictypes.h"
#include "cc/base/cc_export.h"
#include "cc/output/texture_copier.h"
#include "cc/resources/resource_update.h"
namespace cc {
class CC_EXPORT ResourceUpdateQueue {
public:
ResourceUpdateQueue();
virtual ~ResourceUpdateQueue();
void AppendFullUpload(const ResourceUpdate& upload);
void AppendPartialUpload(const ResourceUpdate& upload);
void AppendCopy(TextureCopier::Parameters copy);
void ClearUploadsToEvictedResources();
ResourceUpdate TakeFirstFullUpload();
ResourceUpdate TakeFirstPartialUpload();
TextureCopier::Parameters TakeFirstCopy();
size_t FullUploadSize() const { return full_entries_.size(); }
size_t PartialUploadSize() const { return partial_entries_.size(); }
size_t CopySize() const { return copy_entries_.size(); }
bool HasMoreUpdates() const;
private:
void ClearUploadsToEvictedResources(std::deque<ResourceUpdate>* entry_queue);
std::deque<ResourceUpdate> full_entries_;
std::deque<ResourceUpdate> partial_entries_;
std::deque<TextureCopier::Parameters> copy_entries_;
DISALLOW_COPY_AND_ASSIGN(ResourceUpdateQueue);
};
} // namespace cc
#endif // CC_RESOURCES_RESOURCE_UPDATE_QUEUE_H_
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