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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_FRAME_SINK_MANAGER_H_ | 5 #ifndef CC_SURFACES_FRAME_SINK_MANAGER_H_ |
6 #define CC_SURFACES_FRAME_SINK_MANAGER_H_ | 6 #define CC_SURFACES_FRAME_SINK_MANAGER_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <unordered_map> | 10 #include <unordered_map> |
11 #include <unordered_set> | 11 #include <unordered_set> |
12 #include <vector> | 12 #include <vector> |
13 | 13 |
14 #include "base/logging.h" | 14 #include "base/logging.h" |
15 #include "base/macros.h" | 15 #include "base/macros.h" |
16 #include "cc/surfaces/frame_sink_id.h" | 16 #include "cc/surfaces/frame_sink_id.h" |
17 #include "cc/surfaces/surfaces_export.h" | 17 #include "cc/surfaces/surfaces_export.h" |
18 | 18 |
19 namespace cc { | 19 namespace cc { |
20 class BeginFrameSource; | 20 class BeginFrameSource; |
21 class FrameSinkManagerClient; | 21 class FrameSinkManagerClient; |
22 | 22 |
23 namespace test { | 23 namespace test { |
24 class CompositorFrameSinkSupportTest; | 24 class SurfaceSynchronizationTest; |
25 } | 25 } |
26 | 26 |
27 class CC_SURFACES_EXPORT FrameSinkManager { | 27 class CC_SURFACES_EXPORT FrameSinkManager { |
28 public: | 28 public: |
29 FrameSinkManager(); | 29 FrameSinkManager(); |
30 ~FrameSinkManager(); | 30 ~FrameSinkManager(); |
31 | 31 |
32 void RegisterFrameSinkId(const FrameSinkId& frame_sink_id); | 32 void RegisterFrameSinkId(const FrameSinkId& frame_sink_id); |
33 | 33 |
34 // Invalidate a frame_sink_id that might still have associated sequences, | 34 // Invalidate a frame_sink_id that might still have associated sequences, |
35 // possibly because a renderer process has crashed. | 35 // possibly because a renderer process has crashed. |
36 void InvalidateFrameSinkId(const FrameSinkId& frame_sink_id); | 36 void InvalidateFrameSinkId(const FrameSinkId& frame_sink_id); |
37 | 37 |
38 // SurfaceFactoryClient, hierarchy, and BeginFrameSource can be registered | 38 // CompositorFrameSinkSupport, hierarchy, and BeginFrameSource can be |
39 // and unregistered in any order with respect to each other. | 39 // registered and unregistered in any order with respect to each other. |
40 // | 40 // |
41 // This happens in practice, e.g. the relationship to between ui::Compositor / | 41 // This happens in practice, e.g. the relationship to between ui::Compositor / |
42 // DelegatedFrameHost is known before ui::Compositor has a surface/client). | 42 // DelegatedFrameHost is known before ui::Compositor has a surface/client). |
43 // However, DelegatedFrameHost can register itself as a client before its | 43 // However, DelegatedFrameHost can register itself as a client before its |
44 // relationship with the ui::Compositor is known. | 44 // relationship with the ui::Compositor is known. |
45 | 45 |
46 // Associates a FrameSinkManagerClient with the frame_sink_id it uses. | 46 // Associates a FrameSinkManagerClient with the frame_sink_id it uses. |
47 // FrameSinkManagerClient and framesink allocators have a 1:1 mapping. | 47 // FrameSinkManagerClient and framesink allocators have a 1:1 mapping. |
48 // Caller guarantees the client is alive between register/unregister. | 48 // Caller guarantees the client is alive between register/unregister. |
49 void RegisterFrameSinkManagerClient(const FrameSinkId& frame_sink_id, | 49 void RegisterFrameSinkManagerClient(const FrameSinkId& frame_sink_id, |
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66 void UnregisterFrameSinkHierarchy(const FrameSinkId& parent_frame_sink_id, | 66 void UnregisterFrameSinkHierarchy(const FrameSinkId& parent_frame_sink_id, |
67 const FrameSinkId& child_frame_sink_id); | 67 const FrameSinkId& child_frame_sink_id); |
68 | 68 |
69 // Export list of valid frame_sink_ids for SatisfyDestructionDeps in surface | 69 // Export list of valid frame_sink_ids for SatisfyDestructionDeps in surface |
70 // may be removed later when References replace Sequences | 70 // may be removed later when References replace Sequences |
71 std::unordered_set<FrameSinkId, FrameSinkIdHash>* GetValidFrameSinkIds() { | 71 std::unordered_set<FrameSinkId, FrameSinkIdHash>* GetValidFrameSinkIds() { |
72 return &valid_frame_sink_ids_; | 72 return &valid_frame_sink_ids_; |
73 } | 73 } |
74 | 74 |
75 private: | 75 private: |
76 friend class test::CompositorFrameSinkSupportTest; | 76 friend class test::SurfaceSynchronizationTest; |
77 | 77 |
78 void RecursivelyAttachBeginFrameSource(const FrameSinkId& frame_sink_id, | 78 void RecursivelyAttachBeginFrameSource(const FrameSinkId& frame_sink_id, |
79 BeginFrameSource* source); | 79 BeginFrameSource* source); |
80 void RecursivelyDetachBeginFrameSource(const FrameSinkId& frame_sink_id, | 80 void RecursivelyDetachBeginFrameSource(const FrameSinkId& frame_sink_id, |
81 BeginFrameSource* source); | 81 BeginFrameSource* source); |
82 | 82 |
83 // Returns true if |child framesink| is or has |search_frame_sink_id| as a | 83 // Returns true if |child framesink| is or has |search_frame_sink_id| as a |
84 // child. | 84 // child. |
85 bool ChildContains(const FrameSinkId& child_frame_sink_id, | 85 bool ChildContains(const FrameSinkId& child_frame_sink_id, |
86 const FrameSinkId& search_frame_sink_id) const; | 86 const FrameSinkId& search_frame_sink_id) const; |
87 | 87 |
88 // Set of valid framesink Ids. When a framesink Id is removed from | 88 // Set of valid framesink Ids. When a framesink Id is removed from |
89 // this set, any remaining (surface) sequences with that framesink are | 89 // this set, any remaining (surface) sequences with that framesink are |
90 // considered satisfied. | 90 // considered satisfied. |
91 std::unordered_set<FrameSinkId, FrameSinkIdHash> valid_frame_sink_ids_; | 91 std::unordered_set<FrameSinkId, FrameSinkIdHash> valid_frame_sink_ids_; |
92 | 92 |
93 // Begin frame source routing. Both BeginFrameSource and SurfaceFactoryClient | 93 // Begin frame source routing. Both BeginFrameSource and |
94 // pointers guaranteed alive by callers until unregistered. | 94 // CompositorFrameSinkSupport pointers guaranteed alive by callers until |
| 95 // unregistered. |
95 struct FrameSinkSourceMapping { | 96 struct FrameSinkSourceMapping { |
96 FrameSinkSourceMapping(); | 97 FrameSinkSourceMapping(); |
97 FrameSinkSourceMapping(const FrameSinkSourceMapping& other); | 98 FrameSinkSourceMapping(const FrameSinkSourceMapping& other); |
98 ~FrameSinkSourceMapping(); | 99 ~FrameSinkSourceMapping(); |
99 bool has_children() const { return !children.empty(); } | 100 bool has_children() const { return !children.empty(); } |
100 // The currently assigned begin frame source for this client. | 101 // The currently assigned begin frame source for this client. |
101 BeginFrameSource* source; | 102 BeginFrameSource* source; |
102 // This represents a dag of parent -> children mapping. | 103 // This represents a dag of parent -> children mapping. |
103 std::vector<FrameSinkId> children; | 104 std::vector<FrameSinkId> children; |
104 }; | 105 }; |
105 | 106 |
106 std::unordered_map<FrameSinkId, FrameSinkManagerClient*, FrameSinkIdHash> | 107 std::unordered_map<FrameSinkId, FrameSinkManagerClient*, FrameSinkIdHash> |
107 clients_; | 108 clients_; |
108 | 109 |
109 std::unordered_map<FrameSinkId, FrameSinkSourceMapping, FrameSinkIdHash> | 110 std::unordered_map<FrameSinkId, FrameSinkSourceMapping, FrameSinkIdHash> |
110 frame_sink_source_map_; | 111 frame_sink_source_map_; |
111 | 112 |
112 // Set of which sources are registered to which frmesinks. Any child | 113 // Set of which sources are registered to which frmesinks. Any child |
113 // that is implicitly using this framesink must be reachable by the | 114 // that is implicitly using this framesink must be reachable by the |
114 // parent in the dag. | 115 // parent in the dag. |
115 std::unordered_map<BeginFrameSource*, FrameSinkId> registered_sources_; | 116 std::unordered_map<BeginFrameSource*, FrameSinkId> registered_sources_; |
116 | 117 |
117 DISALLOW_COPY_AND_ASSIGN(FrameSinkManager); | 118 DISALLOW_COPY_AND_ASSIGN(FrameSinkManager); |
118 }; | 119 }; |
119 | 120 |
120 } // namespace cc | 121 } // namespace cc |
121 | 122 |
122 #endif // CC_SURFACES_FRAME_SINK_MANAGER_H_ | 123 #endif // CC_SURFACES_FRAME_SINK_MANAGER_H_ |
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