| // Copyright 2012 The Chromium Authors |
| // 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 <vector> |
| |
| #include "base/command_line.h" |
| #include "base/functional/callback.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/task/single_thread_task_runner.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 "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 "ui/gfx/gpu_extra_info.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(base::RepeatingClosure quit_closure, |
| std::unique_ptr<gpu::GpuInit> gpu_init); |
| |
| GpuChildThread(const InProcessChildThreadParams& params, |
| std::unique_ptr<gpu::GpuInit> gpu_init); |
| |
| GpuChildThread(const GpuChildThread&) = delete; |
| GpuChildThread& operator=(const GpuChildThread&) = delete; |
| |
| ~GpuChildThread() override; |
| |
| void Init(const base::TimeTicks& process_start_time); |
| |
| private: |
| GpuChildThread(base::RepeatingClosure quit_closure, |
| ChildThreadImpl::Options options, |
| std::unique_ptr<gpu::GpuInit> gpu_init); |
| |
| bool in_process_gpu() const; |
| |
| // ChildThreadImpl: |
| void BindServiceInterface(mojo::GenericPendingReceiver receiver) override; |
| |
| // viz::VizMainImpl::Delegate: |
| void OnInitializationFailed() override; |
| void OnGpuServiceConnection(viz::GpuServiceImpl* gpu_service) override; |
| void PostCompositorThreadCreated( |
| base::SingleThreadTaskRunner* task_runner) override; |
| void QuitMainMessageLoop() override; |
| |
| void OnMemoryPressure( |
| base::MemoryPressureListener::MemoryPressureLevel level); |
| |
| // Returns a closure which calls into the VizMainImpl to perform shutdown |
| // before quitting the main message loop. Must be called on the main thread. |
| static base::RepeatingClosure MakeQuitSafelyClosure(); |
| static void QuitSafelyHelper( |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner); |
| |
| #if BUILDFLAG(IS_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 Mojo service hosting. |
| std::unique_ptr<GpuServiceFactory> service_factory_; |
| |
| // A queue of incoming service interface requests received prior to |
| // |service_factory_| initialization. |
| std::vector<mojo::GenericPendingReceiver> pending_service_receivers_; |
| |
| // A closure which quits the main message loop. |
| base::RepeatingClosure quit_closure_; |
| |
| std::unique_ptr<base::MemoryPressureListener> memory_pressure_listener_; |
| |
| base::WeakPtrFactory<GpuChildThread> weak_factory_{this}; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_GPU_GPU_CHILD_THREAD_H_ |