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1 // Copyright 2014 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 CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ | |
6 #define CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ | |
7 | |
8 #include <stdint.h> | |
9 | |
10 #include "base/macros.h" | |
11 #include "cc/surfaces/surface_id.h" | |
12 #include "cc/surfaces/surfaces_export.h" | |
13 | |
14 namespace cc { | |
15 | |
16 // This is a helper class for generating surface IDs within a specified | |
17 // namespace. This is not threadsafe, to use from multiple threads wrap this | |
18 // class in a mutex. | |
19 class CC_SURFACES_EXPORT SurfaceIdAllocator { | |
20 public: | |
21 SurfaceIdAllocator(); | |
22 ~SurfaceIdAllocator(); | |
23 | |
24 LocalSurfaceId GenerateId(); | |
25 | |
26 private: | |
27 uint32_t next_id_; | |
28 | |
29 DISALLOW_COPY_AND_ASSIGN(SurfaceIdAllocator); | |
30 }; | |
31 | |
32 } // namespace cc | |
33 | |
34 #endif // CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ | |
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