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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_RESOURCE_HOLDER_H_ | 5 #ifndef CC_SURFACES_SURFACE_RESOURCE_HOLDER_H_ |
6 #define CC_SURFACES_SURFACE_RESOURCE_HOLDER_H_ | 6 #define CC_SURFACES_SURFACE_RESOURCE_HOLDER_H_ |
7 | 7 |
8 #include "base/containers/hash_tables.h" | 8 #include <unordered_map> |
| 9 |
9 #include "base/macros.h" | 10 #include "base/macros.h" |
10 #include "cc/base/resource_id.h" | 11 #include "cc/base/resource_id.h" |
11 #include "cc/resources/returned_resource.h" | 12 #include "cc/resources/returned_resource.h" |
12 #include "cc/resources/transferable_resource.h" | 13 #include "cc/resources/transferable_resource.h" |
13 #include "cc/surfaces/surfaces_export.h" | 14 #include "cc/surfaces/surfaces_export.h" |
14 | 15 |
15 namespace cc { | 16 namespace cc { |
16 class SurfaceFactoryClient; | 17 class SurfaceFactoryClient; |
17 | 18 |
18 // A SurfaceResourceHolder manages the lifetime of resources submitted by a | 19 // A SurfaceResourceHolder manages the lifetime of resources submitted by a |
(...skipping 14 matching lines...) Expand all Loading... |
33 | 34 |
34 struct ResourceRefs { | 35 struct ResourceRefs { |
35 ResourceRefs(); | 36 ResourceRefs(); |
36 | 37 |
37 int refs_received_from_child; | 38 int refs_received_from_child; |
38 int refs_holding_resource_alive; | 39 int refs_holding_resource_alive; |
39 }; | 40 }; |
40 // Keeps track of the number of users currently in flight for each resource | 41 // Keeps track of the number of users currently in flight for each resource |
41 // ID we've received from the client. When this counter hits zero for a | 42 // ID we've received from the client. When this counter hits zero for a |
42 // particular resource, that ID is available to return to the client. | 43 // particular resource, that ID is available to return to the client. |
43 typedef base::hash_map<ResourceId, ResourceRefs> ResourceIdCountMap; | 44 using ResourceIdCountMap = std::unordered_map<ResourceId, ResourceRefs>; |
44 ResourceIdCountMap resource_id_use_count_map_; | 45 ResourceIdCountMap resource_id_use_count_map_; |
45 | 46 |
46 DISALLOW_COPY_AND_ASSIGN(SurfaceResourceHolder); | 47 DISALLOW_COPY_AND_ASSIGN(SurfaceResourceHolder); |
47 }; | 48 }; |
48 | 49 |
49 } // namespace cc | 50 } // namespace cc |
50 | 51 |
51 #endif // CC_SURFACES_SURFACE_RESOURCE_HOLDER_H_ | 52 #endif // CC_SURFACES_SURFACE_RESOURCE_HOLDER_H_ |
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