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54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_
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#define GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_
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#include <set>
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#include <vector>
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#include "base/basictypes.h"
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#include "base/compiler_specific.h"
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#include "base/containers/hash_tables.h"
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#include "base/memory/shared_memory.h"
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#include "gpu/command_buffer/common/command_buffer_shared.h"
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namespace gpu {
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class GPU_EXPORT TransferBufferManagerInterface {
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public:
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virtual ~TransferBufferManagerInterface();
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virtual bool RegisterTransferBuffer(int32 id,
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scoped_ptr<BufferBacking> buffer) = 0;
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virtual void DestroyTransferBuffer(int32 id) = 0;
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virtual scoped_refptr<Buffer> GetTransferBuffer(int32 id) = 0;
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};
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class GPU_EXPORT TransferBufferManager
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: public TransferBufferManagerInterface {
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public:
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TransferBufferManager();
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bool Initialize();
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bool RegisterTransferBuffer(
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int32 id,
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scoped_ptr<BufferBacking> buffer_backing) override;
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void DestroyTransferBuffer(int32 id) override;
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scoped_refptr<Buffer> GetTransferBuffer(int32 id) override;
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private:
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~TransferBufferManager() override;
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typedef base::hash_map<int32, scoped_refptr<Buffer> > BufferMap;
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BufferMap registered_buffers_;
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size_t shared_memory_bytes_allocated_;
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DISALLOW_COPY_AND_ASSIGN(TransferBufferManager);
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};
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} // namespace gpu
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#endif // GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_
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