| OLD | NEW |
|---|
| (Empty) |
| 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_FRAMESINK_MANAGER_H_ | |
| 6 #define CC_SURFACES_FRAMESINK_MANAGER_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <unordered_map> | |
| 11 #include <unordered_set> | |
| 12 #include <vector> | |
| 13 | |
| 14 #include "base/logging.h" | |
| 15 #include "base/macros.h" | |
| 16 #include "cc/surfaces/frame_sink_id.h" | |
| 17 #include "cc/surfaces/surfaces_export.h" | |
| 18 | |
| 19 namespace cc { | |
| 20 class BeginFrameSource; | |
| 21 class FrameSinkManagerClient; | |
| 22 | |
| 23 namespace test { | |
| 24 class CompositorFrameSinkSupportTest; | |
| 25 } | |
| 26 | |
| 27 class CC_SURFACES_EXPORT FrameSinkManager { | |
| 28 public: | |
| 29 FrameSinkManager(); | |
| 30 ~FrameSinkManager(); | |
| 31 | |
| 32 void RegisterFrameSinkId(const FrameSinkId& frame_sink_id); | |
| 33 | |
| 34 // Invalidate a frame_sink_id that might still have associated sequences, | |
| 35 // possibly because a renderer process has crashed. | |
| 36 void InvalidateFrameSinkId(const FrameSinkId& frame_sink_id); | |
| 37 | |
| 38 // SurfaceFactoryClient, hierarchy, and BeginFrameSource can be registered | |
| 39 // and unregistered in any order with respect to each other. | |
| 40 // | |
| 41 // This happens in practice, e.g. the relationship to between ui::Compositor / | |
| 42 // DelegatedFrameHost is known before ui::Compositor has a surface/client). | |
| 43 // However, DelegatedFrameHost can register itself as a client before its | |
| 44 // relationship with the ui::Compositor is known. | |
| 45 | |
| 46 // Associates a FrameSinkManagerClient with the frame_sink_id it uses. | |
| 47 // FrameSinkManagerClient and framesink allocators have a 1:1 mapping. | |
| 48 // Caller guarantees the client is alive between register/unregister. | |
| 49 void RegisterFrameSinkManagerClient(const FrameSinkId& frame_sink_id, | |
| 50 FrameSinkManagerClient* client); | |
| 51 void UnregisterFrameSinkManagerClient(const FrameSinkId& frame_sink_id); | |
| 52 | |
| 53 // Associates a |source| with a particular framesink. That framesink and | |
| 54 // any children of that framesink with valid clients can potentially use | |
| 55 // that |source|. | |
| 56 void RegisterBeginFrameSource(BeginFrameSource* source, | |
| 57 const FrameSinkId& frame_sink_id); | |
| 58 void UnregisterBeginFrameSource(BeginFrameSource* source); | |
| 59 | |
| 60 // Register a relationship between two framesinks. This relationship means | |
| 61 // that surfaces from the child framesik will be displayed in the parent. | |
| 62 // Children are allowed to use any begin frame source that their parent can | |
| 63 // use. | |
| 64 void RegisterFrameSinkHierarchy(const FrameSinkId& parent_frame_sink_id, | |
| 65 const FrameSinkId& child_frame_sink_id); | |
| 66 void UnregisterFrameSinkHierarchy(const FrameSinkId& parent_frame_sink_id, | |
| 67 const FrameSinkId& child_frame_sink_id); | |
| 68 | |
| 69 // Export list of valid frame_sink_ids for SatisfyDestructionDeps in surface | |
| 70 // may be removed later when References replace Sequences | |
| 71 std::unordered_set<FrameSinkId, FrameSinkIdHash>* GetValidFrameSinkIds(){ | |
| 72 return &valid_frame_sink_ids_; | |
| 73 } | |
| 74 | |
| 75 private: | |
| 76 friend class test::CompositorFrameSinkSupportTest; | |
| 77 | |
| 78 void RecursivelyAttachBeginFrameSource(const FrameSinkId& frame_sink_id, | |
| 79 BeginFrameSource* source); | |
| 80 void RecursivelyDetachBeginFrameSource(const FrameSinkId& frame_sink_id, | |
| 81 BeginFrameSource* source); | |
| 82 | |
| 83 // Returns true if |child framesink| is or has |search_frame_sink_id| as a | |
| 84 // child. | |
| 85 bool ChildContains(const FrameSinkId& child_frame_sink_id, | |
| 86 const FrameSinkId& search_frame_sink_id) const; | |
| 87 | |
| 88 // Set of valid framesink Ids. When a framesink Id is removed from | |
| 89 // this set, any remaining (surface) sequences with that framesink are | |
| 90 // considered satisfied. | |
| 91 std::unordered_set<FrameSinkId, FrameSinkIdHash> valid_frame_sink_ids_; | |
| 92 | |
| 93 // Begin frame source routing. Both BeginFrameSource and SurfaceFactoryClient | |
| 94 // pointers guaranteed alive by callers until unregistered. | |
| 95 struct FrameSinkSourceMapping { | |
| 96 FrameSinkSourceMapping(); | |
| 97 FrameSinkSourceMapping(const FrameSinkSourceMapping& other); | |
| 98 ~FrameSinkSourceMapping(); | |
| 99 bool has_children() const { return !children.empty(); } | |
| 100 // The currently assigned begin frame source for this client. | |
| 101 BeginFrameSource* source; | |
| 102 // This represents a dag of parent -> children mapping. | |
| 103 std::vector<FrameSinkId> children; | |
| 104 }; | |
| 105 | |
| 106 std::unordered_map<FrameSinkId, FrameSinkManagerClient*, FrameSinkIdHash> | |
| 107 clients_; | |
| 108 | |
| 109 std::unordered_map<FrameSinkId, FrameSinkSourceMapping, FrameSinkIdHash> | |
| 110 frame_sink_source_map_; | |
| 111 | |
| 112 // Set of which sources are registered to which frmesinks. Any child | |
| 113 // that is implicitly using this framesink must be reachable by the | |
| 114 // parent in the dag. | |
| 115 std::unordered_map<BeginFrameSource*, FrameSinkId> registered_sources_; | |
| 116 | |
| 117 DISALLOW_COPY_AND_ASSIGN(FrameSinkManager); | |
| 118 }; | |
| 119 | |
| 120 } // namespace cc | |
| 121 | |
| 122 #endif // CC_SURFACES_FRAMESINK_MANAGER_H_ | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2852163002:
cc: framesink_manager* => frame_sink_manager* (Closed)
