content/common/gpu/gpu_channel_manager.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_
   6 #define CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_
   7
   8 #include <deque>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/containers/scoped_ptr_hash_map.h"
  13 #include "base/memory/ref_counted.h"
  14 #include "base/memory/scoped_ptr.h"
  15 #include "base/memory/weak_ptr.h"
  16 #include "base/message_loop/message_loop_proxy.h"
  17 #include "build/build_config.h"
  18 #include "content/common/content_export.h"
  19 #include "content/common/content_param_traits.h"
  20 #include "content/common/gpu/devtools_gpu_instrumentation.h"
  21 #include "content/common/gpu/gpu_memory_manager.h"
  22 #include "ipc/ipc_listener.h"
  23 #include "ipc/ipc_sender.h"
  24 #include "ui/gfx/gpu_memory_buffer.h"
  25 #include "ui/gfx/native_widget_types.h"
  26 #include "ui/gl/gl_surface.h"
  27
  28 namespace base {
  29 class WaitableEvent;
  30 }
  31
  32 namespace gfx {
  33 class GLShareGroup;
  34 struct GpuMemoryBufferHandle;
  35 }
  36
  37 namespace gpu {
  38 class SyncPointManager;
  39 union ValueState;
  40 namespace gles2 {
  41 class MailboxManager;
  42 class ProgramCache;
  43 class ShaderTranslatorCache;
  44 }
  45 }
  46
  47 namespace IPC {
  48 struct ChannelHandle;
  49 class SyncChannel;
  50 class MessageFilter;
  51 }
  52
  53 struct GPUCreateCommandBufferConfig;
  54
  55 namespace content {
  56 class GpuChannel;
  57 class GpuMemoryBufferFactory;
  58 class GpuWatchdog;
  59 class MessageRouter;
  60
  61 // A GpuChannelManager is a thread responsible for issuing rendering commands
  62 // managing the lifetimes of GPU channels and forwarding IPC requests from the
  63 // browser process to them based on the corresponding renderer ID.
  64 class CONTENT_EXPORT GpuChannelManager : public IPC::Listener,
  65                           public IPC::Sender {
  66  public:
  67   GpuChannelManager(MessageRouter* router,
  68                     GpuWatchdog* watchdog,
  69                     base::MessageLoopProxy* io_message_loop,
  70                     base::WaitableEvent* shutdown_event,
  71                     IPC::SyncChannel* channel);
  72   ~GpuChannelManager() override;
  73
  74   // Remove the channel for a particular renderer.
  75   void RemoveChannel(int client_id);
  76
  77   // Listener overrides.
  78   bool OnMessageReceived(const IPC::Message& msg) override;
  79
  80   // Sender overrides.
  81   bool Send(IPC::Message* msg) override;
  82
  83   bool HandleMessagesScheduled();
  84   uint64 MessagesProcessed();
  85
  86   void LoseAllContexts();
  87
  88   int GenerateRouteID();
  89   void AddRoute(int32 routing_id, IPC::Listener* listener);
  90   void RemoveRoute(int32 routing_id);
  91
  92   gpu::gles2::ProgramCache* program_cache();
  93   gpu::gles2::ShaderTranslatorCache* shader_translator_cache();
  94
  95   GpuMemoryManager* gpu_memory_manager() { return &gpu_memory_manager_; }
  96
  97   GpuEventsDispatcher* gpu_devtools_events_dispatcher() {
  98     return &gpu_devtools_events_dispatcher_;
  99   }
 100
 101   GpuChannel* LookupChannel(int32 client_id);
 102
 103   gpu::SyncPointManager* sync_point_manager() {
 104     return sync_point_manager_.get();
 105   }
 106
 107   gfx::GLSurface* GetDefaultOffscreenSurface();
 108
 109   GpuMemoryBufferFactory* gpu_memory_buffer_factory() {
 110     return gpu_memory_buffer_factory_.get();
 111   }
 112
 113  private:
 114   typedef base::ScopedPtrHashMap<int, GpuChannel> GpuChannelMap;
 115
 116   // Message handlers.
 117   void OnEstablishChannel(int client_id,
 118                           bool share_context,
 119                           bool allow_future_sync_points);
 120   void OnCloseChannel(const IPC::ChannelHandle& channel_handle);
 121   void OnVisibilityChanged(
 122       int32 render_view_id, int32 client_id, bool visible);
 123   void OnCreateViewCommandBuffer(
 124       const gfx::GLSurfaceHandle& window,
 125       int32 render_view_id,
 126       int32 client_id,
 127       const GPUCreateCommandBufferConfig& init_params,
 128       int32 route_id);
 129   void OnLoadedShader(std::string shader);
 130   void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id, int client_id);
 131   void DestroyGpuMemoryBufferOnIO(gfx::GpuMemoryBufferId id, int client_id);
 132   void OnDestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
 133                                 int client_id,
 134                                 int32 sync_point);
 135
 136   void OnRelinquishResources();
 137   void OnResourcesRelinquished();
 138
 139   void OnUpdateValueState(int client_id,
 140                           unsigned int target,
 141                           const gpu::ValueState& state);
 142
 143   void OnLoseAllContexts();
 144   void CheckRelinquishGpuResources();
 145
 146   scoped_refptr<base::MessageLoopProxy> io_message_loop_;
 147   base::WaitableEvent* shutdown_event_;
 148
 149   // Used to send and receive IPC messages from the browser process.
 150   MessageRouter* const router_;
 151
 152   // These objects manage channels to individual renderer processes there is
 153   // one channel for each renderer process that has connected to this GPU
 154   // process.
 155   GpuChannelMap gpu_channels_;
 156   scoped_refptr<gfx::GLShareGroup> share_group_;
 157   scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
 158   GpuMemoryManager gpu_memory_manager_;
 159   GpuEventsDispatcher gpu_devtools_events_dispatcher_;
 160   GpuWatchdog* watchdog_;
 161   scoped_refptr<gpu::SyncPointManager> sync_point_manager_;
 162   scoped_ptr<gpu::gles2::ProgramCache> program_cache_;
 163   scoped_refptr<gpu::gles2::ShaderTranslatorCache> shader_translator_cache_;
 164   scoped_refptr<gfx::GLSurface> default_offscreen_surface_;
 165   scoped_ptr<GpuMemoryBufferFactory> gpu_memory_buffer_factory_;
 166   IPC::SyncChannel* channel_;
 167   scoped_refptr<IPC::MessageFilter> filter_;
 168   bool relinquish_resources_pending_;
 169
 170   // Member variables should appear before the WeakPtrFactory, to ensure
 171   // that any WeakPtrs to Controller are invalidated before its members
 172   // variable's destructors are executed, rendering them invalid.
 173   base::WeakPtrFactory<GpuChannelManager> weak_factory_;
 174
 175   DISALLOW_COPY_AND_ASSIGN(GpuChannelManager);
 176 };
 177
 178 }  // namespace content
 179
 180 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_