| // 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 <map> |
| #include <queue> |
| #include <set> |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/containers/hash_tables.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/threading/non_thread_safe.h" |
| #include "base/time/time.h" |
| #include "content/browser/gpu/gpu_surface_tracker.h" |
| #include "content/common/content_export.h" |
| #include "content/common/gpu/gpu_memory_uma_stats.h" |
| #include "content/common/gpu/gpu_process_launch_causes.h" |
| #include "content/common/gpu/gpu_result_codes.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 "ipc/ipc_sender.h" |
| #include "ipc/message_filter.h" |
| #include "ui/gfx/native_widget_types.h" |
| #include "ui/gfx/size.h" |
| #include "url/gurl.h" |
| |
| struct GPUCreateCommandBufferConfig; |
| |
| namespace gfx { |
| struct GpuMemoryBufferHandle; |
| } |
| |
| namespace IPC { |
| struct ChannelHandle; |
| } |
| |
| namespace content { |
| class BrowserChildProcessHostImpl; |
| class GpuMainThread; |
| class RenderWidgetHostViewFrameSubscriber; |
| class ShaderDiskCache; |
| |
| typedef base::Thread* (*GpuMainThreadFactoryFunction)(const std::string& id); |
| |
| 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; |
| |
| typedef base::Callback<void(CreateCommandBufferResult)> |
| CreateCommandBufferCallback; |
| |
| 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 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, |
| CauseForGpuLaunch cause); |
| |
| // 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. Can be called from |
| // any thread. Deletes the message if it cannot be sent. |
| CONTENT_EXPORT static void SendOnIO(GpuProcessKind kind, |
| CauseForGpuLaunch cause, |
| IPC::Message* message); |
| |
| CONTENT_EXPORT static void RegisterGpuMainThreadFactory( |
| GpuMainThreadFactoryFunction create); |
| |
| // 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. |
| virtual 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, |
| bool share_context, |
| bool allow_future_sync_points, |
| const EstablishChannelCallback& callback); |
| |
| // Tells the GPU process to create a new command buffer that draws into the |
| // given surface. |
| void CreateViewCommandBuffer( |
| const gfx::GLSurfaceHandle& compositing_surface, |
| int surface_id, |
| int client_id, |
| const GPUCreateCommandBufferConfig& init_params, |
| int route_id, |
| const CreateCommandBufferCallback& callback); |
| |
| // Tells the GPU process to create a new GPU memory buffer using the given |
| // handle. |
| void CreateGpuMemoryBuffer(const gfx::GpuMemoryBufferHandle& handle, |
| const gfx::Size& size, |
| unsigned internalformat, |
| unsigned usage, |
| const CreateGpuMemoryBufferCallback& callback); |
| |
| // Tells the GPU process to destroy GPU memory buffer. |
| void DestroyGpuMemoryBuffer(const gfx::GpuMemoryBufferHandle& handle, |
| int sync_point); |
| |
| // What kind of GPU process, e.g. sandboxed or unsandboxed. |
| GpuProcessKind kind(); |
| |
| void ForceShutdown(); |
| |
| void BeginFrameSubscription( |
| int surface_id, |
| base::WeakPtr<RenderWidgetHostViewFrameSubscriber> subscriber); |
| void EndFrameSubscription(int surface_id); |
| void LoadedShader(const std::string& key, const std::string& data); |
| |
| private: |
| static bool ValidateHost(GpuProcessHost* host); |
| |
| GpuProcessHost(int host_id, GpuProcessKind kind); |
| virtual ~GpuProcessHost(); |
| |
| 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. |
| virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
| virtual void OnChannelConnected(int32 peer_pid) OVERRIDE; |
| virtual void OnProcessLaunched() OVERRIDE; |
| virtual 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 OnCommandBufferCreated(CreateCommandBufferResult result); |
| void OnDestroyCommandBuffer(int32 surface_id); |
| void OnGpuMemoryBufferCreated(const gfx::GpuMemoryBufferHandle& handle); |
| void OnDidCreateOffscreenContext(const GURL& url); |
| void OnDidLoseContext(bool offscreen, |
| gpu::error::ContextLostReason reason, |
| const GURL& url); |
| void OnDidDestroyOffscreenContext(const GURL& url); |
| void OnGpuMemoryUmaStatsReceived(const GPUMemoryUmaStats& stats); |
| #if defined(OS_MACOSX) |
| void OnAcceleratedSurfaceBuffersSwapped(const IPC::Message& message); |
| #endif |
| |
| void CreateChannelCache(int32 client_id); |
| void OnDestroyChannel(int32 client_id); |
| void OnCacheShader(int32 client_id, const std::string& key, |
| const std::string& shader); |
| |
| bool LaunchGpuProcess(const std::string& channel_id); |
| |
| 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<EstablishChannelCallback> channel_requests_; |
| |
| // The pending create command buffer requests we need to reply to. |
| std::queue<CreateCommandBufferCallback> create_command_buffer_requests_; |
| |
| // The pending create gpu memory buffer requests we need to reply to. |
| std::queue<CreateGpuMemoryBufferCallback> create_gpu_memory_buffer_requests_; |
| |
| // 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_; |
| |
| scoped_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_; |
| |
| // Whether this host recorded a GPU crash or not. |
| bool gpu_crash_recorded_; |
| |
| // 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_; |
| |
| scoped_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_; |
| |
| // Statics kept around to send to UMA histograms on GPU process lost. |
| bool uma_memory_stats_received_; |
| GPUMemoryUmaStats uma_memory_stats_; |
| |
| // This map of frame subscribers are listening for frame presentation events. |
| // The key is the surface id and value is the subscriber. |
| typedef base::hash_map<int, |
| base::WeakPtr<RenderWidgetHostViewFrameSubscriber> > |
| FrameSubscriberMap; |
| FrameSubscriberMap frame_subscribers_; |
| |
| typedef std::map<int32, scoped_refptr<ShaderDiskCache> > |
| ClientIdToShaderCacheMap; |
| ClientIdToShaderCacheMap client_id_to_shader_cache_; |
| |
| std::string shader_prefix_key_; |
| |
| // Keep an extra reference to the SurfaceRef stored in the GpuSurfaceTracker |
| // in this map so that we don't destroy it whilst the GPU process is |
| // drawing to it. |
| typedef std::multimap<int, scoped_refptr<GpuSurfaceTracker::SurfaceRef> > |
| SurfaceRefMap; |
| SurfaceRefMap surface_refs_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GpuProcessHost); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_ |