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// Copyright (c) 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 GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_
#define GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_
#include <set>
#include <vector>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/containers/hash_tables.h"
#include "base/memory/shared_memory.h"
#include "gpu/command_buffer/common/command_buffer_shared.h"
namespace gpu {
class GPU_EXPORT TransferBufferManagerInterface {
public:
virtual ~TransferBufferManagerInterface();
virtual bool RegisterTransferBuffer(int32 id,
scoped_ptr<BufferBacking> buffer) = 0;
virtual void DestroyTransferBuffer(int32 id) = 0;
virtual scoped_refptr<Buffer> GetTransferBuffer(int32 id) = 0;
};
class GPU_EXPORT TransferBufferManager
: public TransferBufferManagerInterface {
public:
TransferBufferManager();
bool Initialize();
virtual bool RegisterTransferBuffer(int32 id,
scoped_ptr<BufferBacking> buffer_backing)
OVERRIDE;
virtual void DestroyTransferBuffer(int32 id) OVERRIDE;
virtual scoped_refptr<Buffer> GetTransferBuffer(int32 id) OVERRIDE;
private:
virtual ~TransferBufferManager();
typedef base::hash_map<int32, scoped_refptr<Buffer> > BufferMap;
BufferMap registered_buffers_;
size_t shared_memory_bytes_allocated_;
DISALLOW_COPY_AND_ASSIGN(TransferBufferManager);
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_
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