| // 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 GPU_COMMAND_BUFFER_SERVICE_GPU_FENCE_MANAGER_H_ |
| #define GPU_COMMAND_BUFFER_SERVICE_GPU_FENCE_MANAGER_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "base/containers/flat_map.h" |
| #include "base/macros.h" |
| #include "gpu/gpu_gles2_export.h" |
| |
| namespace gfx { |
| struct GpuFenceHandle; |
| class GpuFence; |
| } // namespace gfx |
| |
| namespace gl { |
| class GLFence; |
| } |
| |
| namespace gpu { |
| namespace gles2 { |
| |
| // This class keeps track of GpuFence objects and their state. As GpuFence |
| // objects are not shared there is one GpuFenceManager per context. |
| class GPU_GLES2_EXPORT GpuFenceManager { |
| class GPU_GLES2_EXPORT GpuFenceEntry { |
| public: |
| GpuFenceEntry(); |
| ~GpuFenceEntry(); |
| |
| GpuFenceEntry(GpuFenceEntry&& other); |
| GpuFenceEntry& operator=(GpuFenceEntry&& other); |
| |
| private: |
| friend class GpuFenceManager; |
| std::unique_ptr<gl::GLFence> gl_fence_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GpuFenceEntry); |
| }; |
| |
| public: |
| GpuFenceManager(); |
| ~GpuFenceManager(); |
| |
| bool CreateGpuFence(uint32_t client_id); |
| |
| bool CreateGpuFenceFromHandle(uint32_t client_id, |
| const gfx::GpuFenceHandle& handle); |
| |
| bool IsValidGpuFence(uint32_t client_id); |
| |
| std::unique_ptr<gfx::GpuFence> GetGpuFence(uint32_t client_id); |
| |
| bool GpuFenceServerWait(uint32_t client_id); |
| |
| bool RemoveGpuFence(uint32_t client_id); |
| |
| // Must call before destruction. |
| void Destroy(bool have_context); |
| |
| private: |
| using GpuFenceEntryMap = |
| base::flat_map<uint32_t, std::unique_ptr<GpuFenceEntry>>; |
| GpuFenceEntryMap gpu_fence_entries_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GpuFenceManager); |
| }; |
| |
| } // namespace gles2 |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_SERVICE_GPU_FENCE_MANAGER_H_ |