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48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
// Copyright (c) 2011 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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// This file defines the CommandBufferEngine class, providing the main loop for
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// the service, exposing the RPC API, managing the command parser.
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#ifndef GPU_COMMAND_BUFFER_SERVICE_CMD_BUFFER_ENGINE_H_
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#define GPU_COMMAND_BUFFER_SERVICE_CMD_BUFFER_ENGINE_H_
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#include "base/basictypes.h"
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#include "gpu/command_buffer/common/buffer.h"
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namespace gpu {
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class CommandBufferEngine {
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public:
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CommandBufferEngine() {
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}
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virtual ~CommandBufferEngine() {
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}
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// Gets the base address and size of a registered shared memory buffer.
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// Parameters:
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// shm_id: the identifier for the shared memory buffer.
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virtual scoped_refptr<gpu::Buffer> GetSharedMemoryBuffer(int32 shm_id) = 0;
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// Sets the token value.
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virtual void set_token(int32 token) = 0;
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// Sets the shared memory buffer used for commands.
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virtual bool SetGetBuffer(int32 transfer_buffer_id) = 0;
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// Sets the "get" pointer. Return false if offset is out of range.
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virtual bool SetGetOffset(int32 offset) = 0;
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// Gets the "get" pointer.
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virtual int32 GetGetOffset() = 0;
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private:
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DISALLOW_COPY_AND_ASSIGN(CommandBufferEngine);
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};
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} // namespace gpu
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#endif // GPU_COMMAND_BUFFER_SERVICE_CMD_BUFFER_ENGINE_H_
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