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| 1 // Copyright 2016 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 SERVICES_UI_PUBLIC_CPP_GPU_SERVICE_H_ | |
| 6 #define SERVICES_UI_PUBLIC_CPP_GPU_SERVICE_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/macros.h" | |
| 12 #include "base/memory/ref_counted.h" | |
| 13 #include "base/single_thread_task_runner.h" | |
| 14 #include "base/synchronization/lock.h" | |
| 15 #include "base/synchronization/waitable_event.h" | |
| 16 #include "base/threading/thread.h" | |
| 17 #include "gpu/ipc/client/gpu_channel_host.h" | |
| 18 #include "gpu/ipc/common/gpu_info.mojom.h" | |
| 19 #include "services/ui/public/cpp/mojo_gpu_memory_buffer_manager.h" | |
| 20 #include "services/ui/public/interfaces/gpu_service.mojom.h" | |
| 21 | |
| 22 namespace service_manager { | |
| 23 class Connector; | |
| 24 } | |
| 25 | |
| 26 namespace ui { | |
| 27 | |
| 28 class GpuService : public gpu::GpuChannelHostFactory, | |
| 29 public gpu::GpuChannelEstablishFactory { | |
| 30 public: | |
| 31 ~GpuService() override; | |
| 32 | |
| 33 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager() const { | |
| 34 return gpu_memory_buffer_manager_.get(); | |
| 35 } | |
| 36 | |
| 37 // The GpuService has to be initialized in the main thread before establishing | |
| 38 // the gpu channel. If no |task_runner| is provided, then a new thread is | |
| 39 // created and used. | |
| 40 static std::unique_ptr<GpuService> Create( | |
| 41 service_manager::Connector* connector, | |
| 42 scoped_refptr<base::SingleThreadTaskRunner> task_runner = nullptr); | |
| 43 | |
| 44 // gpu::GpuChannelEstablishFactory: | |
| 45 void EstablishGpuChannel( | |
| 46 const gpu::GpuChannelEstablishedCallback& callback) override; | |
| 47 scoped_refptr<gpu::GpuChannelHost> EstablishGpuChannelSync() override; | |
| 48 gpu::GpuMemoryBufferManager* GetGpuMemoryBufferManager() override; | |
| 49 | |
| 50 private: | |
| 51 friend struct base::DefaultSingletonTraits<GpuService>; | |
| 52 | |
| 53 GpuService(service_manager::Connector* connector, | |
| 54 scoped_refptr<base::SingleThreadTaskRunner> task_runner); | |
| 55 | |
| 56 scoped_refptr<gpu::GpuChannelHost> GetGpuChannel(); | |
| 57 void EstablishGpuChannelOnMainThreadSyncLocked(); | |
| 58 void OnEstablishedGpuChannel(int client_id, | |
| 59 mojo::ScopedMessagePipeHandle channel_handle, | |
| 60 const gpu::GPUInfo& gpu_info); | |
| 61 | |
| 62 // gpu::GpuChannelHostFactory overrides: | |
| 63 bool IsMainThread() override; | |
| 64 scoped_refptr<base::SingleThreadTaskRunner> GetIOThreadTaskRunner() override; | |
| 65 std::unique_ptr<base::SharedMemory> AllocateSharedMemory( | |
| 66 size_t size) override; | |
| 67 | |
| 68 scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_; | |
| 69 scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_; | |
| 70 service_manager::Connector* connector_; | |
| 71 base::WaitableEvent shutdown_event_; | |
| 72 std::unique_ptr<base::Thread> io_thread_; | |
| 73 std::unique_ptr<MojoGpuMemoryBufferManager> gpu_memory_buffer_manager_; | |
| 74 | |
| 75 ui::mojom::GpuServicePtr gpu_service_; | |
| 76 scoped_refptr<gpu::GpuChannelHost> gpu_channel_; | |
| 77 std::vector<gpu::GpuChannelEstablishedCallback> establish_callbacks_; | |
| 78 | |
| 79 DISALLOW_COPY_AND_ASSIGN(GpuService); | |
| 80 }; | |
| 81 | |
| 82 } // namespace ui | |
| 83 | |
| 84 #endif // SERVICES_UI_PUBLIC_CPP_GPU_SERVICE_H_ | |
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Chromium Code Reviews
Issue 2511143004:
mus: Split the gpu client-lib into a separate component. (Closed)
