| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_IN_PROCESS_GPU_MEMORY_BUFFER_MANAGER_H_ |
| #define COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_IN_PROCESS_GPU_MEMORY_BUFFER_MANAGER_H_ |
| |
| #include "base/memory/weak_ptr.h" |
| #include "components/viz/service/viz_service_export.h" |
| #include "gpu/command_buffer/client/gpu_memory_buffer_manager.h" |
| #include "gpu/ipc/common/gpu_memory_buffer_support.h" |
| |
| namespace gpu { |
| class GpuMemoryBufferFactory; |
| class SyncPointManager; |
| } |
| |
| namespace viz { |
| |
| // GpuMemoryBufferManager implementation usable from any thread in the GPU |
| // process. Must be created and destroyed on the same thread. |
| class VIZ_SERVICE_EXPORT InProcessGpuMemoryBufferManager |
| : public gpu::GpuMemoryBufferManager { |
| public: |
| // |gpu_memory_buffer_factory| and |sync_point_manager| must outlive |this|. |
| InProcessGpuMemoryBufferManager( |
| gpu::GpuMemoryBufferFactory* gpu_memory_buffer_factory, |
| gpu::SyncPointManager* sync_point_manager); |
| // Note: Any GpuMemoryBuffers that haven't been destroyed yet will be leaked |
| // until the GpuMemoryBufferFactory is destroyed. |
| ~InProcessGpuMemoryBufferManager() override; |
| |
| // gpu::GpuMemoryBufferManager: |
| std::unique_ptr<gfx::GpuMemoryBuffer> CreateGpuMemoryBuffer( |
| const gfx::Size& size, |
| gfx::BufferFormat format, |
| gfx::BufferUsage usage, |
| gpu::SurfaceHandle surface_handle) override; |
| void SetDestructionSyncToken(gfx::GpuMemoryBuffer* buffer, |
| const gpu::SyncToken& sync_token) override; |
| |
| private: |
| // Provided as callback when a GpuMemoryBuffer should be destroyed. |
| void ShouldDestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id, |
| const gpu::SyncToken& sync_token); |
| void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id); |
| |
| gpu::GpuMemoryBufferSupport gpu_memory_buffer_support_; |
| const int client_id_; |
| int next_gpu_memory_id_ = 1; |
| |
| gpu::GpuMemoryBufferFactory* const gpu_memory_buffer_factory_; |
| gpu::SyncPointManager* const sync_point_manager_; |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
| base::WeakPtr<InProcessGpuMemoryBufferManager> weak_ptr_; |
| |
| base::WeakPtrFactory<InProcessGpuMemoryBufferManager> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(InProcessGpuMemoryBufferManager); |
| }; |
| |
| } // namespace viz |
| |
| #endif // COMPONENTS_VIZ_SERVICE_DISPLAY_EMBEDDER_IN_PROCESS_GPU_MEMORY_BUFFER_MANAGER_H_ |