src/content/browser/gpu/browser_gpu_channel_host_factory.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_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_
   6 #define CONTENT_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "content/common/gpu/client/gpu_channel_host.h"
  13 #include "content/common/gpu/client/gpu_memory_buffer_factory_host.h"
  14 #include "ipc/message_filter.h"
  15
  16 namespace content {
  17
  18 class CONTENT_EXPORT BrowserGpuChannelHostFactory
  19     : public GpuChannelHostFactory,
  20       public GpuMemoryBufferFactoryHost {
  21  public:
  22   static void Initialize(bool establish_gpu_channel);
  23   static void Terminate();
  24   static BrowserGpuChannelHostFactory* instance() { return instance_; }
  25
  26   // GpuChannelHostFactory implementation.
  27   virtual bool IsMainThread() OVERRIDE;
  28   virtual base::MessageLoop* GetMainLoop() OVERRIDE;
  29   virtual scoped_refptr<base::MessageLoopProxy> GetIOLoopProxy() OVERRIDE;
  30   virtual scoped_ptr<base::SharedMemory> AllocateSharedMemory(
  31       size_t size) OVERRIDE;
  32   virtual CreateCommandBufferResult CreateViewCommandBuffer(
  33       int32 surface_id,
  34       const GPUCreateCommandBufferConfig& init_params,
  35       int32 route_id) OVERRIDE;
  36   virtual void CreateImage(
  37       gfx::PluginWindowHandle window,
  38       int32 image_id,
  39       const CreateImageCallback& callback) OVERRIDE;
  40   virtual void DeleteImage(int32 image_idu, int32 sync_point) OVERRIDE;
  41   virtual scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBuffer(
  42       size_t width,
  43       size_t height,
  44       unsigned internalformat,
  45       unsigned usage) OVERRIDE;
  46
  47   // GpuMemoryBufferFactoryHost implementation.
  48   virtual void CreateGpuMemoryBuffer(
  49       const gfx::GpuMemoryBufferHandle& handle,
  50       const gfx::Size& size,
  51       unsigned internalformat,
  52       unsigned usage,
  53       const CreateGpuMemoryBufferCallback& callback) OVERRIDE;
  54   virtual void DestroyGpuMemoryBuffer(const gfx::GpuMemoryBufferHandle& handle,
  55                                       int32 sync_point) OVERRIDE;
  56
  57   // Specify a task runner and callback to be used for a set of messages. The
  58   // callback will be set up on the current GpuProcessHost, identified by
  59   // GpuProcessHostId().
  60   virtual void SetHandlerForControlMessages(
  61       const uint32* message_ids,
  62       size_t num_messages,
  63       const base::Callback<void(const IPC::Message&)>& handler,
  64       base::TaskRunner* target_task_runner);
  65   int GpuProcessHostId() { return gpu_host_id_; }
  66   GpuChannelHost* EstablishGpuChannelSync(
  67       CauseForGpuLaunch cause_for_gpu_launch);
  68   void EstablishGpuChannel(CauseForGpuLaunch cause_for_gpu_launch,
  69                            const base::Closure& callback);
  70   GpuChannelHost* GetGpuChannel();
  71   int GetGpuChannelId() { return gpu_client_id_; }
  72
  73   // Used to skip GpuChannelHost tests when there can be no GPU process.
  74   static bool CanUseForTesting();
  75
  76  private:
  77   struct CreateRequest;
  78   class EstablishRequest;
  79
  80   BrowserGpuChannelHostFactory();
  81   virtual ~BrowserGpuChannelHostFactory();
  82
  83   void GpuChannelEstablished();
  84   void CreateViewCommandBufferOnIO(
  85       CreateRequest* request,
  86       int32 surface_id,
  87       const GPUCreateCommandBufferConfig& init_params);
  88   static void CommandBufferCreatedOnIO(CreateRequest* request,
  89                                        CreateCommandBufferResult result);
  90   void CreateImageOnIO(
  91       gfx::PluginWindowHandle window,
  92       int32 image_id,
  93       const CreateImageCallback& callback);
  94   static void ImageCreatedOnIO(
  95       const CreateImageCallback& callback, const gfx::Size size);
  96   static void OnImageCreated(
  97       const CreateImageCallback& callback, const gfx::Size size);
  98   void DeleteImageOnIO(int32 image_id, int32 sync_point);
  99   static void AddFilterOnIO(int gpu_host_id,
 100                             scoped_refptr<IPC::MessageFilter> filter);
 101
 102   void CreateGpuMemoryBufferOnIO(const gfx::GpuMemoryBufferHandle& handle,
 103                                  const gfx::Size& size,
 104                                  unsigned internalformat,
 105                                  unsigned usage,
 106                                  uint32 request_id);
 107   void GpuMemoryBufferCreatedOnIO(
 108       uint32 request_id,
 109       const gfx::GpuMemoryBufferHandle& handle);
 110   void OnGpuMemoryBufferCreated(
 111       uint32 request_id,
 112       const gfx::GpuMemoryBufferHandle& handle);
 113   void DestroyGpuMemoryBufferOnIO(const gfx::GpuMemoryBufferHandle& handle,
 114                                   int32 sync_point);
 115
 116   const int gpu_client_id_;
 117   scoped_ptr<base::WaitableEvent> shutdown_event_;
 118   scoped_refptr<GpuChannelHost> gpu_channel_;
 119   int gpu_host_id_;
 120   scoped_refptr<EstablishRequest> pending_request_;
 121   std::vector<base::Closure> established_callbacks_;
 122
 123   uint32 next_create_gpu_memory_buffer_request_id_;
 124   typedef std::map<uint32, CreateGpuMemoryBufferCallback>
 125       CreateGpuMemoryBufferCallbackMap;
 126   CreateGpuMemoryBufferCallbackMap create_gpu_memory_buffer_requests_;
 127
 128   static BrowserGpuChannelHostFactory* instance_;
 129
 130   DISALLOW_COPY_AND_ASSIGN(BrowserGpuChannelHostFactory);
 131 };
 132
 133 }  // namespace content
 134
 135 #endif  // CONTENT_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_