| // 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 CC_SURFACES_LOCAL_SURFACE_ID_ALLOCATOR_H_ |
| #define CC_SURFACES_LOCAL_SURFACE_ID_ALLOCATOR_H_ |
| |
| #include <stdint.h> |
| |
| #include "base/macros.h" |
| #include "cc/surfaces/surface_id.h" |
| #include "cc/surfaces/surfaces_export.h" |
| |
| namespace cc { |
| |
| // This is a helper class for generating local surface IDs for a single |
| // FrameSink. This is not threadsafe, to use from multiple threads wrap this |
| // class in a mutex. |
| class CC_SURFACES_EXPORT LocalSurfaceIdAllocator { |
| public: |
| LocalSurfaceIdAllocator(); |
| ~LocalSurfaceIdAllocator(); |
| |
| LocalSurfaceId GenerateId(); |
| |
| private: |
| uint32_t next_id_; |
| |
| DISALLOW_COPY_AND_ASSIGN(LocalSurfaceIdAllocator); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_SURFACES_LOCAL_SURFACE_ID_ALLOCATOR_H_ |