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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_GPU_GPU_CHILD_THREAD_H_
#define CONTENT_GPU_GPU_CHILD_THREAD_H_
#include <stdint.h>
#include <memory>
#include <queue>
#include <string>
#include "base/callback.h"
#include "base/command_line.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "components/viz/service/gl/gpu_service_impl.h"
#include "components/viz/service/main/viz_main_impl.h"
#include "content/child/child_thread_impl.h"
#include "content/common/associated_interface_registry_impl.h"
#include "gpu/config/gpu_feature_info.h"
#include "gpu/config/gpu_info.h"
#include "gpu/config/gpu_preferences.h"
#include "gpu/ipc/service/gpu_channel.h"
#include "gpu/ipc/service/gpu_channel_manager.h"
#include "gpu/ipc/service/gpu_channel_manager_delegate.h"
#include "gpu/ipc/service/gpu_config.h"
#include "gpu/ipc/service/x_util.h"
#include "media/base/android_overlay_mojo_factory.h"
#include "mojo/public/cpp/bindings/associated_binding_set.h"
#include "mojo/public/cpp/bindings/binding_set.h"
#include "services/service_manager/public/cpp/service_context_ref.h"
#include "services/service_manager/public/mojom/service_factory.mojom.h"
#include "services/viz/privileged/interfaces/viz_main.mojom.h"
#include "ui/gfx/native_widget_types.h"
namespace content {
class GpuServiceFactory;
// The main thread of the GPU child process. There will only ever be one of
// these per process. It does process initialization and shutdown. It forwards
// IPC messages to gpu::GpuChannelManager, which is responsible for issuing
// rendering commands to the GPU.
class GpuChildThread : public ChildThreadImpl,
public viz::VizMainImpl::Delegate {
public:
GpuChildThread(std::unique_ptr<gpu::GpuInit> gpu_init,
viz::VizMainImpl::LogMessages deferred_messages);
GpuChildThread(const InProcessChildThreadParams& params,
std::unique_ptr<gpu::GpuInit> gpu_init);
~GpuChildThread() override;
void Init(const base::Time& process_start_time);
private:
GpuChildThread(const ChildThreadImpl::Options& options,
std::unique_ptr<gpu::GpuInit> gpu_init);
void CreateVizMainService(viz::mojom::VizMainAssociatedRequest request);
bool in_process_gpu() const;
// ChildThreadImpl:.
bool Send(IPC::Message* msg) override;
// IPC::Listener implementation via ChildThreadImpl:
void OnAssociatedInterfaceRequest(
const std::string& name,
mojo::ScopedInterfaceEndpointHandle handle) override;
// viz::VizMainImpl::Delegate:
void OnInitializationFailed() override;
void OnGpuServiceConnection(viz::GpuServiceImpl* gpu_service) override;
void PostCompositorThreadCreated(
base::SingleThreadTaskRunner* task_runner) override;
void BindServiceFactoryRequest(
service_manager::mojom::ServiceFactoryRequest request);
#if defined(OS_ANDROID)
static std::unique_ptr<media::AndroidOverlay> CreateAndroidOverlay(
scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
const base::UnguessableToken& routing_token,
media::AndroidOverlayConfig);
#endif
viz::VizMainImpl viz_main_;
// ServiceFactory for service_manager::Service hosting.
std::unique_ptr<GpuServiceFactory> service_factory_;
// Bindings to the service_manager::mojom::ServiceFactory impl.
mojo::BindingSet<service_manager::mojom::ServiceFactory>
service_factory_bindings_;
AssociatedInterfaceRegistryImpl associated_interfaces_;
// Holds a closure that releases pending interface requests on the IO thread.
base::Closure release_pending_requests_closure_;
base::WeakPtrFactory<GpuChildThread> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(GpuChildThread);
};
} // namespace content
#endif // CONTENT_GPU_GPU_CHILD_THREAD_H_