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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 UI_GFX_GENERIC_SHARED_MEMORY_ID_H_ | 5 #ifndef UI_GFX_GENERIC_SHARED_MEMORY_ID_H_ |
6 #define UI_GFX_GENERIC_SHARED_MEMORY_ID_H_ | 6 #define UI_GFX_GENERIC_SHARED_MEMORY_ID_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
| 11 #include "base/containers/hash_tables.h" |
| 12 #include "base/hash.h" |
11 #include "base/trace_event/memory_allocator_dump.h" | 13 #include "base/trace_event/memory_allocator_dump.h" |
12 #include "ui/gfx/gfx_export.h" | 14 #include "ui/gfx/gfx_export.h" |
13 | 15 |
14 namespace gfx { | 16 namespace gfx { |
15 | 17 |
16 // Defines an ID type which is used across all types of shared memory | 18 // Defines an ID type which is used across all types of shared memory |
17 // allocations in content/. This ID type is in ui/gfx, as components outside | 19 // allocations in content/. This ID type is in ui/gfx, as components outside |
18 // content/ may need to hold an ID (but should not generate one). | 20 // content/ may need to hold an ID (but should not generate one). |
19 class GFX_EXPORT GenericSharedMemoryId { | 21 class GFX_EXPORT GenericSharedMemoryId { |
20 public: | 22 public: |
(...skipping 30 matching lines...) Expand all Loading... |
51 struct hash<gfx::GenericSharedMemoryId> { | 53 struct hash<gfx::GenericSharedMemoryId> { |
52 size_t operator()(gfx::GenericSharedMemoryId key) const { | 54 size_t operator()(gfx::GenericSharedMemoryId key) const { |
53 return BASE_HASH_NAMESPACE::hash<int>()(key.id); | 55 return BASE_HASH_NAMESPACE::hash<int>()(key.id); |
54 } | 56 } |
55 }; | 57 }; |
56 | 58 |
57 template <typename Second> | 59 template <typename Second> |
58 struct hash<std::pair<gfx::GenericSharedMemoryId, Second>> { | 60 struct hash<std::pair<gfx::GenericSharedMemoryId, Second>> { |
59 size_t operator()( | 61 size_t operator()( |
60 const std::pair<gfx::GenericSharedMemoryId, Second>& pair) const { | 62 const std::pair<gfx::GenericSharedMemoryId, Second>& pair) const { |
61 return base::HashPair(pair.first.id, pair.second); | 63 return base::HashInts(pair.first.id, pair.second); |
62 } | 64 } |
63 }; | 65 }; |
64 | 66 |
65 } // namespace BASE_HASH_NAMESPACE | 67 } // namespace BASE_HASH_NAMESPACE |
66 | 68 |
67 #endif // UI_GFX_GENERIC_SHARED_MEMORY_ID_H_ | 69 #endif // UI_GFX_GENERIC_SHARED_MEMORY_ID_H_ |
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