| // 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_GPU_PROCESS_HOST_H_ |
| #define CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_ |
| |
| #include <stdint.h> |
| |
| #include <map> |
| #include <memory> |
| #include <queue> |
| #include <set> |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/containers/hash_tables.h" |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/threading/non_thread_safe.h" |
| #include "base/time/time.h" |
| #include "build/build_config.h" |
| #include "content/common/content_export.h" |
| #include "content/public/browser/browser_child_process_host_delegate.h" |
| #include "content/public/browser/gpu_data_manager.h" |
| #include "gpu/command_buffer/common/constants.h" |
| #include "gpu/config/gpu_info.h" |
| #include "gpu/ipc/common/surface_handle.h" |
| #include "ipc/ipc_sender.h" |
| #include "ipc/message_filter.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "ui/gfx/gpu_memory_buffer.h" |
| #include "url/gurl.h" |
| |
| struct GPUCreateCommandBufferConfig; |
| |
| namespace base { |
| class Thread; |
| } |
| |
| namespace IPC { |
| struct ChannelHandle; |
| } |
| |
| namespace gpu { |
| struct GpuPreferences; |
| struct SyncToken; |
| } |
| |
| namespace service_manager { |
| class InterfaceProvider; |
| } |
| |
| namespace content { |
| class BrowserChildProcessHostImpl; |
| class GpuMainThread; |
| class InProcessChildThreadParams; |
| class RenderWidgetHostViewFrameSubscriber; |
| class ShaderDiskCache; |
| |
| typedef base::Thread* (*GpuMainThreadFactoryFunction)( |
| const InProcessChildThreadParams&, const gpu::GpuPreferences&); |
| |
| class GpuProcessHost : public BrowserChildProcessHostDelegate, |
| public IPC::Sender, |
| public base::NonThreadSafe { |
| public: |
| enum GpuProcessKind { |
| GPU_PROCESS_KIND_UNSANDBOXED, |
| GPU_PROCESS_KIND_SANDBOXED, |
| GPU_PROCESS_KIND_COUNT |
| }; |
| |
| typedef base::Callback<void(const IPC::ChannelHandle&, const gpu::GPUInfo&)> |
| EstablishChannelCallback; |
| |
| struct EstablishChannelRequest { |
| EstablishChannelRequest(); |
| EstablishChannelRequest(const EstablishChannelRequest& other); |
| ~EstablishChannelRequest(); |
| int32_t client_id; |
| EstablishChannelCallback callback; |
| }; |
| |
| typedef base::Callback<void(const gfx::GpuMemoryBufferHandle& handle)> |
| CreateGpuMemoryBufferCallback; |
| |
| static bool gpu_enabled() { return gpu_enabled_; } |
| static int gpu_crash_count() { return gpu_crash_count_; } |
| |
| // Creates a new GpuProcessHost (if |force_create| is turned on) or gets an |
| // existing one, resulting in the launching of a GPU process if required. |
| // Returns null on failure. It is not safe to store the pointer once control |
| // has returned to the message loop as it can be destroyed. Instead store the |
| // associated GPU host ID. This could return NULL if GPU access is not |
| // allowed (blacklisted). |
| CONTENT_EXPORT static GpuProcessHost* Get(GpuProcessKind kind, |
| bool force_create = true); |
| |
| // Retrieves a list of process handles for all gpu processes. |
| static void GetProcessHandles( |
| const GpuDataManager::GetGpuProcessHandlesCallback& callback); |
| |
| // Helper function to send the given message to the GPU process on the IO |
| // thread. Calls Get and if a host is returned, sends it. |force_create| can |
| // be set to force the creation of GpuProcessHost if one doesn't already |
| // exist. This function can be called from any thread. Deletes the message if |
| // it cannot be sent. |
| CONTENT_EXPORT static void SendOnIO(GpuProcessKind kind, |
| bool force_create, |
| IPC::Message* message); |
| |
| CONTENT_EXPORT static void RegisterGpuMainThreadFactory( |
| GpuMainThreadFactoryFunction create); |
| |
| service_manager::InterfaceProvider* GetRemoteInterfaces(); |
| |
| // Get the GPU process host for the GPU process with the given ID. Returns |
| // null if the process no longer exists. |
| static GpuProcessHost* FromID(int host_id); |
| int host_id() const { return host_id_; } |
| |
| // IPC::Sender implementation. |
| bool Send(IPC::Message* msg) override; |
| |
| // Adds a message filter to the GpuProcessHost's channel. |
| void AddFilter(IPC::MessageFilter* filter); |
| |
| // Tells the GPU process to create a new channel for communication with a |
| // client. Once the GPU process responds asynchronously with the IPC handle |
| // and GPUInfo, we call the callback. |
| void EstablishGpuChannel(int client_id, |
| uint64_t client_tracing_id, |
| bool preempts, |
| bool allow_view_command_buffers, |
| bool allow_real_time_streams, |
| const EstablishChannelCallback& callback); |
| |
| // Tells the GPU process to create a new GPU memory buffer. |
| void CreateGpuMemoryBuffer(gfx::GpuMemoryBufferId id, |
| const gfx::Size& size, |
| gfx::BufferFormat format, |
| gfx::BufferUsage usage, |
| int client_id, |
| gpu::SurfaceHandle surface_handle, |
| const CreateGpuMemoryBufferCallback& callback); |
| |
| // Tells the GPU process to destroy GPU memory buffer. |
| void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id, |
| int client_id, |
| const gpu::SyncToken& sync_token); |
| |
| #if defined(OS_ANDROID) |
| // Tells the GPU process that the given surface is being destroyed so that it |
| // can stop using it. |
| void SendDestroyingVideoSurface(int surface_id, const base::Closure& done_cb); |
| #endif |
| |
| // What kind of GPU process, e.g. sandboxed or unsandboxed. |
| GpuProcessKind kind(); |
| |
| // Forcefully terminates the GPU process. |
| void ForceShutdown(); |
| |
| // Asks the GPU process to stop by itself. |
| void StopGpuProcess(); |
| |
| void LoadedShader(const std::string& key, const std::string& data); |
| |
| private: |
| class ConnectionFilterImpl; |
| |
| static bool ValidateHost(GpuProcessHost* host); |
| |
| GpuProcessHost(int host_id, GpuProcessKind kind); |
| ~GpuProcessHost() override; |
| |
| bool Init(); |
| |
| // Post an IPC message to the UI shim's message handler on the UI thread. |
| void RouteOnUIThread(const IPC::Message& message); |
| |
| // BrowserChildProcessHostDelegate implementation. |
| bool OnMessageReceived(const IPC::Message& message) override; |
| void OnChannelConnected(int32_t peer_pid) override; |
| void OnProcessLaunched() override; |
| void OnProcessLaunchFailed(int error_code) override; |
| void OnProcessCrashed(int exit_code) override; |
| |
| // Message handlers. |
| void OnInitialized(bool result, const gpu::GPUInfo& gpu_info); |
| void OnChannelEstablished(const IPC::ChannelHandle& channel_handle); |
| void OnGpuMemoryBufferCreated(const gfx::GpuMemoryBufferHandle& handle); |
| #if defined(OS_ANDROID) |
| void OnDestroyingVideoSurfaceAck(int surface_id); |
| #endif |
| void OnDidCreateOffscreenContext(const GURL& url); |
| void OnDidLoseContext(bool offscreen, |
| gpu::error::ContextLostReason reason, |
| const GURL& url); |
| void OnDidDestroyOffscreenContext(const GURL& url); |
| void OnFieldTrialActivated(const std::string& trial_name); |
| |
| #if defined(OS_WIN) |
| void OnAcceleratedSurfaceCreatedChildWindow( |
| gpu::SurfaceHandle parent_handle, |
| gpu::SurfaceHandle window_handle); |
| #endif |
| |
| void CreateChannelCache(int32_t client_id); |
| void OnDestroyChannel(int32_t client_id); |
| void OnCacheShader(int32_t client_id, |
| const std::string& key, |
| const std::string& shader); |
| |
| bool LaunchGpuProcess(gpu::GpuPreferences* gpu_preferences); |
| |
| void SendOutstandingReplies(); |
| |
| void BlockLiveOffscreenContexts(); |
| |
| // Update GPU crash counters. Disable GPU if crash limit is reached. |
| void RecordProcessCrash(); |
| |
| std::string GetShaderPrefixKey(); |
| |
| // The serial number of the GpuProcessHost / GpuProcessHostUIShim pair. |
| int host_id_; |
| |
| // These are the channel requests that we have already sent to |
| // the GPU process, but haven't heard back about yet. |
| std::queue<EstablishChannelRequest> channel_requests_; |
| |
| // The pending create gpu memory buffer requests we need to reply to. |
| std::queue<CreateGpuMemoryBufferCallback> create_gpu_memory_buffer_requests_; |
| |
| // A callback to signal the completion of a SendDestroyingVideoSurface call. |
| base::Closure send_destroying_video_surface_done_cb_; |
| |
| // Qeueud messages to send when the process launches. |
| std::queue<IPC::Message*> queued_messages_; |
| |
| // Whether the GPU process is valid, set to false after Send() failed. |
| bool valid_; |
| |
| // Whether we are running a GPU thread inside the browser process instead |
| // of a separate GPU process. |
| bool in_process_; |
| |
| bool swiftshader_rendering_; |
| GpuProcessKind kind_; |
| |
| // The GPUInfo for the connected process. Only valid after initialized_ is |
| // true. |
| gpu::GPUInfo gpu_info_; |
| |
| std::unique_ptr<base::Thread> in_process_gpu_thread_; |
| |
| // Whether we actually launched a GPU process. |
| bool process_launched_; |
| |
| // Whether the GPU process successfully initialized. |
| bool initialized_; |
| |
| // Time Init started. Used to log total GPU process startup time to UMA. |
| base::TimeTicks init_start_time_; |
| |
| // Master switch for enabling/disabling GPU acceleration for the current |
| // browser session. It does not change the acceleration settings for |
| // existing tabs, just the future ones. |
| static bool gpu_enabled_; |
| |
| static bool hardware_gpu_enabled_; |
| |
| static int gpu_crash_count_; |
| static int gpu_recent_crash_count_; |
| static bool crashed_before_; |
| static int swiftshader_crash_count_; |
| |
| std::unique_ptr<BrowserChildProcessHostImpl> process_; |
| |
| // Track the URLs of the pages which have live offscreen contexts, |
| // assumed to be associated with untrusted content such as WebGL. |
| // For best robustness, when any context lost notification is |
| // received, assume all of these URLs are guilty, and block |
| // automatic execution of 3D content from those domains. |
| std::multiset<GURL> urls_with_live_offscreen_contexts_; |
| |
| typedef std::map<int32_t, scoped_refptr<ShaderDiskCache>> |
| ClientIdToShaderCacheMap; |
| ClientIdToShaderCacheMap client_id_to_shader_cache_; |
| |
| std::string shader_prefix_key_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GpuProcessHost); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_ |