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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 CONTENT_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_
#define CONTENT_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_
#pragma once
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/process.h"
#include "base/synchronization/waitable_event.h"
#include "content/common/gpu/client/gpu_channel_host.h"
#include "ipc/ipc_channel_handle.h"
namespace content {
class BrowserGpuChannelHostFactory : public GpuChannelHostFactory {
public:
static void Initialize();
static void Terminate();
static BrowserGpuChannelHostFactory* instance() { return instance_; }
// GpuChannelHostFactory implementation.
virtual bool IsMainThread() OVERRIDE;
virtual bool IsIOThread() OVERRIDE;
virtual MessageLoop* GetMainLoop() OVERRIDE;
virtual scoped_refptr<base::MessageLoopProxy> GetIOLoopProxy() OVERRIDE;
virtual base::WaitableEvent* GetShutDownEvent() OVERRIDE;
virtual scoped_ptr<base::SharedMemory> AllocateSharedMemory(
uint32 size) OVERRIDE;
virtual int32 CreateViewCommandBuffer(
int32 surface_id,
const GPUCreateCommandBufferConfig& init_params) OVERRIDE;
virtual GpuChannelHost* EstablishGpuChannelSync(
CauseForGpuLaunch cause_for_gpu_launch) OVERRIDE;
private:
struct CreateRequest {
CreateRequest();
~CreateRequest();
base::WaitableEvent event;
int32 route_id;
};
struct EstablishRequest {
EstablishRequest();
~EstablishRequest();
base::WaitableEvent event;
IPC::ChannelHandle channel_handle;
GPUInfo gpu_info;
};
BrowserGpuChannelHostFactory();
virtual ~BrowserGpuChannelHostFactory();
void CreateViewCommandBufferOnIO(
CreateRequest* request,
int32 surface_id,
const GPUCreateCommandBufferConfig& init_params);
static void CommandBufferCreatedOnIO(CreateRequest* request, int32 route_id);
void EstablishGpuChannelOnIO(EstablishRequest* request,
CauseForGpuLaunch cause_for_gpu_launch);
static void GpuChannelEstablishedOnIO(
EstablishRequest* request,
const IPC::ChannelHandle& channel_handle,
const GPUInfo& gpu_info);
int gpu_client_id_;
scoped_ptr<base::WaitableEvent> shutdown_event_;
scoped_refptr<GpuChannelHost> gpu_channel_;
int gpu_host_id_;
static BrowserGpuChannelHostFactory* instance_;
DISALLOW_COPY_AND_ASSIGN(BrowserGpuChannelHostFactory);
};
} // namespace content
#endif // CONTENT_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_
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