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 "ipc/message_filter.h" 14 15 namespace content { 16 class GpuMemoryBufferImpl; 17 class GpuMemoryBufferFactoryHostImpl; 18 19 class CONTENT_EXPORT BrowserGpuChannelHostFactory 20 : public GpuChannelHostFactory { 21 public: 22 static void Initialize(bool establish_gpu_channel); 23 static void Terminate(); instance()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 scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBuffer( 37 size_t width, 38 size_t height, 39 unsigned internalformat, 40 unsigned usage) OVERRIDE; 41 42 // Specify a task runner and callback to be used for a set of messages. The 43 // callback will be set up on the current GpuProcessHost, identified by 44 // GpuProcessHostId(). 45 virtual void SetHandlerForControlMessages( 46 const uint32* message_ids, 47 size_t num_messages, 48 const base::Callback<void(const IPC::Message&)>& handler, 49 base::TaskRunner* target_task_runner); GpuProcessHostId()50 int GpuProcessHostId() { return gpu_host_id_; } 51 GpuChannelHost* EstablishGpuChannelSync( 52 CauseForGpuLaunch cause_for_gpu_launch); 53 void EstablishGpuChannel(CauseForGpuLaunch cause_for_gpu_launch, 54 const base::Closure& callback); 55 GpuChannelHost* GetGpuChannel(); GetGpuChannelId()56 int GetGpuChannelId() { return gpu_client_id_; } 57 58 // Used to skip GpuChannelHost tests when there can be no GPU process. 59 static bool CanUseForTesting(); 60 61 private: 62 struct CreateRequest; 63 struct AllocateGpuMemoryBufferRequest; 64 class EstablishRequest; 65 66 BrowserGpuChannelHostFactory(); 67 virtual ~BrowserGpuChannelHostFactory(); 68 69 void GpuChannelEstablished(); 70 void CreateViewCommandBufferOnIO( 71 CreateRequest* request, 72 int32 surface_id, 73 const GPUCreateCommandBufferConfig& init_params); 74 static void CommandBufferCreatedOnIO(CreateRequest* request, 75 CreateCommandBufferResult result); 76 static void AddFilterOnIO(int gpu_host_id, 77 scoped_refptr<IPC::MessageFilter> filter); 78 static void AllocateGpuMemoryBufferOnIO( 79 AllocateGpuMemoryBufferRequest* request); 80 static void OnGpuMemoryBufferCreated(AllocateGpuMemoryBufferRequest* request, 81 scoped_ptr<GpuMemoryBufferImpl> buffer); 82 83 const int gpu_client_id_; 84 scoped_ptr<base::WaitableEvent> shutdown_event_; 85 scoped_refptr<GpuChannelHost> gpu_channel_; 86 scoped_ptr<GpuMemoryBufferFactoryHostImpl> gpu_memory_buffer_factory_host_; 87 int gpu_host_id_; 88 scoped_refptr<EstablishRequest> pending_request_; 89 std::vector<base::Closure> established_callbacks_; 90 91 static BrowserGpuChannelHostFactory* instance_; 92 93 DISALLOW_COPY_AND_ASSIGN(BrowserGpuChannelHostFactory); 94 }; 95 96 } // namespace content 97 98 #endif // CONTENT_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_ 99