1 #ifndef DALI_INTERNAL_SCENE_GRAPH_FRAME_CALLBACK_PROCESSOR_H
2 #define DALI_INTERNAL_SCENE_GRAPH_FRAME_CALLBACK_PROCESSOR_H
5 * Copyright (c) 2024 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
23 #include <unordered_map>
26 #include <dali/internal/common/buffer-index.h>
27 #include <dali/internal/common/owner-pointer.h>
28 #include <dali/internal/update/manager/scene-graph-frame-callback.h>
29 #include <dali/internal/update/manager/scene-graph-traveler.h>
30 #include <dali/internal/update/manager/update-proxy-impl.h>
31 #include <dali/public-api/common/vector-wrapper.h>
35 class FrameCallbackInterface;
42 class TransformManager;
46 * This class processes all the registered frame-callbacks.
48 class FrameCallbackProcessor
52 * Construct a new FrameCallbackProcessor.
53 * @param[in] updateManager A reference to the UpdateManager
54 * @param[in] transformManager A reference to the TransformManager
56 FrameCallbackProcessor(UpdateManager& updateManager, TransformManager& transformManager);
59 * Non-virtual Destructor.
61 ~FrameCallbackProcessor();
63 // Movable but not copyable
65 FrameCallbackProcessor(const FrameCallbackProcessor&) = delete; ///< Deleted copy constructor.
66 FrameCallbackProcessor(FrameCallbackProcessor&&) = default; ///< Default move constructor.
67 FrameCallbackProcessor& operator=(const FrameCallbackProcessor&) = delete; ///< Deleted copy assignment operator.
68 FrameCallbackProcessor& operator=(FrameCallbackProcessor&&) = delete; ///< Deleted move assignment operator.
71 * Adds an implementation of the FrameCallbackInterface.
72 * @param[in] frameCallback An OwnerPointer to the SceneGraph FrameCallback object
73 * @param[in] rootNode A pointer to the root node to apply the FrameCallback to. Or nullptr if given frame callback use globally.
75 void AddFrameCallback(OwnerPointer<FrameCallback>& frameCallback, const Node* rootNode);
78 * Removes the specified implementation of FrameCallbackInterface.
79 * @param[in] frameCallback A pointer to the implementation of the FrameCallbackInterface to remove.
81 void RemoveFrameCallback(FrameCallbackInterface* frameCallback);
84 * Notify the specified implementation of FrameCallbackInterface.
85 * @param[in] frameCallback A pointer to the implementation of the FrameCallbackInterface to notify.
86 * @param[in] syncPoint The unique sync point to notify with
88 void NotifyFrameCallback(FrameCallbackInterface* frameCallback, Dali::UpdateProxy::NotifySyncPoint syncPoint);
91 * Called on Update by the UpdateManager.
92 * @param[in] bufferIndex The bufferIndex to use
93 * @param[in] elapsedSeconds Time elapsed time since the last frame (in seconds)
94 * @return Whether we should keep rendering.
96 bool Update(BufferIndex bufferIndex, float elapsedSeconds);
99 * Called by the UpdateManager when the node hierarchy changes.
101 void NodeHierarchyChanged()
103 mNodeHierarchyChanged = true;
107 SceneGraphTravelerPtr GetSceneGraphTraveler(Node* rootNode);
110 std::vector<OwnerPointer<FrameCallback> > mFrameCallbacks; ///< A container of all the frame-callbacks & accompanying update-proxies.
112 UpdateManager& mUpdateManager;
114 TransformManager& mTransformManager;
116 using TravelerContainer = std::unordered_map<const Node*, SceneGraphTravelerPtr>;
117 TravelerContainer mRootNodeTravelerMap;
119 SceneGraphTravelerInterfacePtr mGlobalTraveler;
121 bool mNodeHierarchyChanged; ///< Set to true if the node hierarchy changes
124 } // namespace SceneGraph
126 } // namespace Internal
130 #endif // DALI_INTERNAL_SCENE_GRAPH_FRAME_CALLBACK_PROCESSOR_H