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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ | 5 #ifndef CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ |
6 #define CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ | 6 #define CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 #include "cc/surfaces/surface_id.h" | 11 #include "cc/surfaces/surface_id.h" |
12 #include "cc/surfaces/surfaces_export.h" | 12 #include "cc/surfaces/surfaces_export.h" |
13 | 13 |
14 namespace cc { | 14 namespace cc { |
15 | 15 |
16 // This is a helper class for generating surface IDs within a specified | 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 | 17 // namespace. This is not threadsafe, to use from multiple threads wrap this |
18 // class in a mutex. | 18 // class in a mutex. |
19 class CC_SURFACES_EXPORT SurfaceIdAllocator { | 19 class CC_SURFACES_EXPORT SurfaceIdAllocator { |
20 public: | 20 public: |
21 explicit SurfaceIdAllocator(const FrameSinkId& frame_sink_id); | 21 SurfaceIdAllocator(); |
22 ~SurfaceIdAllocator(); | 22 ~SurfaceIdAllocator(); |
23 | 23 |
24 SurfaceId GenerateId(); | 24 LocalFrameId GenerateId(); |
25 | 25 |
26 private: | 26 private: |
27 const FrameSinkId frame_sink_id_; | |
28 | |
29 uint32_t next_id_; | 27 uint32_t next_id_; |
30 | 28 |
31 DISALLOW_COPY_AND_ASSIGN(SurfaceIdAllocator); | 29 DISALLOW_COPY_AND_ASSIGN(SurfaceIdAllocator); |
32 }; | 30 }; |
33 | 31 |
34 } // namespace cc | 32 } // namespace cc |
35 | 33 |
36 #endif // CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ | 34 #endif // CC_SURFACES_SURFACE_ID_ALLOCATOR_H_ |
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