| // 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/metrics/field_trial.h" |
| #include "base/time/time.h" |
| #include "build/build_config.h" |
| #include "content/child/child_thread_impl.h" |
| #include "content/common/associated_interface_registry_impl.h" |
| #include "gpu/command_buffer/service/gpu_preferences.h" |
| #include "gpu/config/gpu_feature_info.h" |
| #include "gpu/config/gpu_info.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 "mojo/public/cpp/bindings/associated_binding_set.h" |
| #include "mojo/public/cpp/bindings/binding_set.h" |
| #include "services/service_manager/public/interfaces/service_factory.mojom.h" |
| #include "services/ui/gpu/gpu_service.h" |
| #include "services/ui/gpu/interfaces/gpu_main.mojom.h" |
| #include "ui/gfx/native_widget_types.h" |
| |
| namespace gpu { |
| class GpuWatchdogThread; |
| } |
| |
| 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 ui::mojom::GpuMain, |
| public base::FieldTrialList::Observer { |
| public: |
| struct LogMessage { |
| int severity; |
| std::string header; |
| std::string message; |
| }; |
| typedef std::vector<LogMessage> DeferredMessages; |
| |
| GpuChildThread(std::unique_ptr<gpu::GpuWatchdogThread> gpu_watchdog_thread, |
| bool dead_on_arrival, |
| const gpu::GPUInfo& gpu_info, |
| const gpu::GpuFeatureInfo& gpu_feature_info, |
| DeferredMessages deferred_messages); |
| |
| GpuChildThread(const InProcessChildThreadParams& params, |
| const gpu::GPUInfo& gpu_info, |
| const gpu::GpuFeatureInfo& gpu_feature_info); |
| |
| ~GpuChildThread() override; |
| |
| void Init(const base::Time& process_start_time); |
| |
| private: |
| GpuChildThread(const ChildThreadImpl::Options& options, |
| std::unique_ptr<gpu::GpuWatchdogThread> gpu_watchdog_thread, |
| bool dead_on_arrival, |
| bool in_browser_process, |
| const gpu::GPUInfo& gpu_info, |
| const gpu::GpuFeatureInfo& gpu_feature_info); |
| |
| void CreateGpuMainService(ui::mojom::GpuMainAssociatedRequest request); |
| |
| // ChildThreadImpl:. |
| bool Send(IPC::Message* msg) override; |
| |
| // IPC::Listener implementation via ChildThreadImpl: |
| void OnAssociatedInterfaceRequest( |
| const std::string& name, |
| mojo::ScopedInterfaceEndpointHandle handle) override; |
| |
| // ui::mojom::GpuMain: |
| void CreateGpuService(ui::mojom::GpuServiceRequest request, |
| ui::mojom::GpuHostPtr gpu_host, |
| const gpu::GpuPreferences& preferences, |
| mojo::ScopedSharedBufferHandle activity_flags) override; |
| void CreateFrameSinkManager( |
| cc::mojom::FrameSinkManagerRequest request, |
| cc::mojom::FrameSinkManagerClientPtr client) override; |
| |
| // base::FieldTrialList::Observer: |
| void OnFieldTrialGroupFinalized(const std::string& trial_name, |
| const std::string& group_name) override; |
| |
| void BindServiceFactoryRequest( |
| service_manager::mojom::ServiceFactoryRequest request); |
| |
| gpu::GpuChannelManager* gpu_channel_manager() { |
| return gpu_service_->gpu_channel_manager(); |
| } |
| |
| // Set this flag to true if a fatal error occurred before we receive the |
| // OnInitialize message, in which case we just declare ourselves DOA. |
| const bool dead_on_arrival_; |
| |
| // Error messages collected in gpu_main() before the thread is created. |
| DeferredMessages deferred_messages_; |
| |
| // Whether the GPU thread is running in the browser process. |
| const bool in_browser_process_; |
| |
| // 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_; |
| std::unique_ptr<ui::GpuService> gpu_service_; |
| mojo::AssociatedBinding<ui::mojom::GpuMain> gpu_main_binding_; |
| |
| // 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_ |