| // 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/command_line.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/time/time.h" |
| #include "build/build_config.h" |
| #include "content/child/child_thread_impl.h" |
| #include "content/common/process_control.mojom.h" |
| #include "gpu/command_buffer/service/gpu_preferences.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/binding_set.h" |
| #include "mojo/public/cpp/bindings/interface_request.h" |
| #include "ui/gfx/native_widget_types.h" |
| |
| namespace gpu { |
| class GpuMemoryBufferFactory; |
| class SyncPointManager; |
| } |
| |
| namespace media { |
| class MediaService; |
| } |
| |
| namespace sandbox { |
| class TargetServices; |
| } |
| |
| namespace content { |
| class GpuProcessControlImpl; |
| class GpuWatchdogThread; |
| struct EstablishChannelParams; |
| #if defined(OS_MACOSX) |
| struct BufferPresentedParams; |
| #endif |
| |
| // 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 gpu::GpuChannelManagerDelegate { |
| public: |
| typedef std::queue<IPC::Message*> DeferredMessages; |
| |
| // Returns the one gpu thread for this process. Note that this can only |
| // be accessed when running on the gpu thread itself. |
| static GpuChildThread* current(); |
| |
| GpuChildThread(GpuWatchdogThread* gpu_watchdog_thread, |
| bool dead_on_arrival, |
| const gpu::GPUInfo& gpu_info, |
| const DeferredMessages& deferred_messages, |
| gpu::GpuMemoryBufferFactory* gpu_memory_buffer_factory); |
| |
| GpuChildThread(const gpu::GpuPreferences& gpu_preferences, |
| const InProcessChildThreadParams& params, |
| gpu::GpuMemoryBufferFactory* gpu_memory_buffer_factory); |
| |
| ~GpuChildThread() override; |
| |
| void Shutdown() override; |
| |
| void Init(const base::Time& process_start_time); |
| void StopWatchdog(); |
| |
| gpu::GpuPreferences gpu_preferences() { return gpu_preferences_; } |
| |
| private: |
| // ChildThread overrides. |
| bool Send(IPC::Message* msg) override; |
| bool OnControlMessageReceived(const IPC::Message& msg) override; |
| bool OnMessageReceived(const IPC::Message& msg) override; |
| |
| // gpu::GpuChannelManagerDelegate implementation. |
| void SetActiveURL(const GURL& url) override; |
| void DidCreateOffscreenContext(const GURL& active_url) override; |
| void DidDestroyChannel(int client_id) override; |
| void DidDestroyOffscreenContext(const GURL& active_url) override; |
| void DidLoseContext(bool offscreen, |
| gpu::error::ContextLostReason reason, |
| const GURL& active_url) override; |
| void GpuMemoryUmaStats(const gpu::GPUMemoryUmaStats& params) override; |
| #if defined(OS_MACOSX) |
| void SendAcceleratedSurfaceBuffersSwapped( |
| gpu::SurfaceHandle surface_handle, |
| CAContextID ca_context_id, |
| bool fullscreen_low_power_ca_context_valid, |
| CAContextID fullscreen_low_power_ca_context_id, |
| const gfx::ScopedRefCountedIOSurfaceMachPort& io_surface, |
| const gfx::Size& size, |
| float scale_factor, |
| std::vector<ui::LatencyInfo> latency_info) override; |
| #endif |
| #if defined(OS_WIN) |
| void SendAcceleratedSurfaceCreatedChildWindow( |
| gpu::SurfaceHandle parent_window, |
| gpu::SurfaceHandle child_window) override; |
| #endif |
| void StoreShaderToDisk(int32_t client_id, |
| const std::string& key, |
| const std::string& shader) override; |
| |
| // Message handlers. |
| void OnInitialize(const gpu::GpuPreferences& gpu_preferences); |
| void OnFinalize(); |
| void OnCollectGraphicsInfo(); |
| void OnGetVideoMemoryUsageStats(); |
| void OnSetVideoMemoryWindowCount(uint32_t window_count); |
| |
| void OnClean(); |
| void OnCrash(); |
| void OnHang(); |
| void OnDisableWatchdog(); |
| void OnGpuSwitched(); |
| |
| #if defined(OS_MACOSX) |
| void OnBufferPresented(const BufferPresentedParams& params); |
| #endif |
| void OnEstablishChannel(const EstablishChannelParams& params); |
| void OnCloseChannel(int32_t client_id); |
| void OnLoadedShader(const std::string& shader); |
| void OnDestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id, |
| int client_id, |
| const gpu::SyncToken& sync_token); |
| #if defined(OS_ANDROID) |
| void OnWakeUpGpu(); |
| void OnDestroyingVideoSurface(int surface_id); |
| #endif |
| void OnLoseAllContexts(); |
| |
| void BindProcessControlRequest( |
| mojo::InterfaceRequest<mojom::ProcessControl> request); |
| |
| gpu::GpuPreferences gpu_preferences_; |
| |
| // Set this flag to true if a fatal error occurred before we receive the |
| // OnInitialize message, in which case we just declare ourselves DOA. |
| bool dead_on_arrival_; |
| base::Time process_start_time_; |
| scoped_refptr<GpuWatchdogThread> watchdog_thread_; |
| |
| #if defined(OS_WIN) |
| // Windows specific client sandbox interface. |
| sandbox::TargetServices* target_services_; |
| #endif |
| |
| // Can be null if overridden by ContentGpuClient. |
| std::unique_ptr<gpu::SyncPointManager> owned_sync_point_manager_; |
| |
| std::unique_ptr<gpu::GpuChannelManager> gpu_channel_manager_; |
| |
| std::unique_ptr<media::MediaService> media_service_; |
| |
| // Information about the GPU, such as device and vendor ID. |
| gpu::GPUInfo gpu_info_; |
| |
| // Error messages collected in gpu_main() before the thread is created. |
| DeferredMessages deferred_messages_; |
| |
| // Whether the GPU thread is running in the browser process. |
| bool in_browser_process_; |
| |
| // The gpu::GpuMemoryBufferFactory instance used to allocate GpuMemoryBuffers. |
| gpu::GpuMemoryBufferFactory* const gpu_memory_buffer_factory_; |
| |
| // Process control for Mojo application hosting. |
| std::unique_ptr<GpuProcessControlImpl> process_control_; |
| |
| // Bindings to the mojom::ProcessControl impl. |
| mojo::BindingSet<mojom::ProcessControl> process_control_bindings_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GpuChildThread); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_GPU_GPU_CHILD_THREAD_H_ |