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 <map>
   9 #include <vector>
  10
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "content/common/gpu/client/gpu_channel_host.h"
  14 #include "ipc/message_filter.h"
  15
  16 namespace content {
  17 class BrowserGpuMemoryBufferManager;
  18
  19 class CONTENT_EXPORT BrowserGpuChannelHostFactory
  20     : public GpuChannelHostFactory {
  21  public:
  22   static void Initialize(bool establish_gpu_channel);
  23   static void Terminate();
  24   static BrowserGpuChannelHostFactory* instance() { return instance_; }
  25
  26   // Overridden from GpuChannelHostFactory:
  27   bool IsMainThread() override;
  28   scoped_refptr<base::SingleThreadTaskRunner> GetIOThreadTaskRunner() override;
  29   scoped_ptr<base::SharedMemory> AllocateSharedMemory(size_t size) override;
  30   CreateCommandBufferResult CreateViewCommandBuffer(
  31       int32 surface_id,
  32       const GPUCreateCommandBufferConfig& init_params,
  33       int32 route_id) override;
  34   IPC::AttachmentBroker* GetAttachmentBroker() override;
  35
  36   int GpuProcessHostId() { return gpu_host_id_; }
  37 #if !defined(OS_ANDROID)
  38   GpuChannelHost* EstablishGpuChannelSync(
  39       CauseForGpuLaunch cause_for_gpu_launch);
  40 #endif
  41   void EstablishGpuChannel(CauseForGpuLaunch cause_for_gpu_launch,
  42                            const base::Closure& callback);
  43   GpuChannelHost* GetGpuChannel();
  44   int GetGpuChannelId() { return gpu_client_id_; }
  45
  46   // Used to skip GpuChannelHost tests when there can be no GPU process.
  47   static bool CanUseForTesting();
  48
  49  private:
  50   struct CreateRequest;
  51   class EstablishRequest;
  52
  53   BrowserGpuChannelHostFactory();
  54   ~BrowserGpuChannelHostFactory() override;
  55
  56   void GpuChannelEstablished();
  57   void CreateViewCommandBufferOnIO(
  58       CreateRequest* request,
  59       int32 surface_id,
  60       const GPUCreateCommandBufferConfig& init_params);
  61   static void CommandBufferCreatedOnIO(CreateRequest* request,
  62                                        CreateCommandBufferResult result);
  63   static void AddFilterOnIO(int gpu_host_id,
  64                             scoped_refptr<IPC::MessageFilter> filter);
  65
  66   const int gpu_client_id_;
  67   const uint64_t gpu_client_tracing_id_;
  68   scoped_ptr<base::WaitableEvent> shutdown_event_;
  69   scoped_refptr<GpuChannelHost> gpu_channel_;
  70   scoped_ptr<BrowserGpuMemoryBufferManager> gpu_memory_buffer_manager_;
  71   int gpu_host_id_;
  72   scoped_refptr<EstablishRequest> pending_request_;
  73   std::vector<base::Closure> established_callbacks_;
  74
  75   static BrowserGpuChannelHostFactory* instance_;
  76
  77   DISALLOW_COPY_AND_ASSIGN(BrowserGpuChannelHostFactory);
  78 };
  79
  80 }  // namespace content
  81
  82 #endif  // CONTENT_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_