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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 PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_
#define PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_
#include "base/callback.h"
#include "base/containers/hash_tables.h"
#include "gpu/command_buffer/common/command_buffer.h"
#include "gpu/command_buffer/common/gpu_control.h"
#include "ppapi/proxy/ppapi_proxy_export.h"
#include "ppapi/shared_impl/host_resource.h"
namespace IPC {
class Message;
}
namespace ppapi {
namespace proxy {
class ProxyChannel;
class PPAPI_PROXY_EXPORT PpapiCommandBufferProxy : public gpu::CommandBuffer,
public gpu::GpuControl {
public:
PpapiCommandBufferProxy(const HostResource& resource,
ProxyChannel* channel);
virtual ~PpapiCommandBufferProxy();
// gpu::CommandBuffer implementation:
virtual bool Initialize() OVERRIDE;
virtual State GetState() OVERRIDE;
virtual State GetLastState() OVERRIDE;
virtual int32 GetLastToken() OVERRIDE;
virtual void Flush(int32 put_offset) OVERRIDE;
virtual State FlushSync(int32 put_offset, int32 last_known_get) OVERRIDE;
virtual void SetGetBuffer(int32 transfer_buffer_id) OVERRIDE;
virtual void SetGetOffset(int32 get_offset) OVERRIDE;
virtual gpu::Buffer CreateTransferBuffer(size_t size, int32* id) OVERRIDE;
virtual void DestroyTransferBuffer(int32 id) OVERRIDE;
virtual gpu::Buffer GetTransferBuffer(int32 id) OVERRIDE;
virtual void SetToken(int32 token) OVERRIDE;
virtual void SetParseError(gpu::error::Error error) OVERRIDE;
virtual void SetContextLostReason(gpu::error::ContextLostReason reason)
OVERRIDE;
// gpu::GpuControl implementation:
virtual gpu::Capabilities GetCapabilities() OVERRIDE;
virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer(
size_t width,
size_t height,
unsigned internalformat,
int32* id) OVERRIDE;
virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE;
virtual bool GenerateMailboxNames(unsigned num,
std::vector<gpu::Mailbox>* names) OVERRIDE;
virtual uint32 InsertSyncPoint() OVERRIDE;
virtual void SignalSyncPoint(uint32 sync_point,
const base::Closure& callback) OVERRIDE;
virtual void SignalQuery(uint32 query,
const base::Closure& callback) OVERRIDE;
virtual void SetSurfaceVisible(bool visible) OVERRIDE;
virtual void SendManagedMemoryStats(const gpu::ManagedMemoryStats& stats)
OVERRIDE;
virtual void Echo(const base::Closure& callback) OVERRIDE;
virtual uint32 CreateStreamTexture(uint32 texture_id) OVERRIDE;
private:
bool Send(IPC::Message* msg);
void UpdateState(const gpu::CommandBuffer::State& state, bool success);
typedef base::hash_map<int32, gpu::Buffer> TransferBufferMap;
TransferBufferMap transfer_buffers_;
State last_state_;
HostResource resource_;
ProxyChannel* channel_;
base::Closure channel_error_callback_;
DISALLOW_COPY_AND_ASSIGN(PpapiCommandBufferProxy);
};
} // namespace proxy
} // namespace ppapi
#endif // PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_
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