2 * Copyright (c) 2024 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali/internal/update/manager/scene-graph-frame-callback.h>
22 #include <dali/devel-api/threading/mutex.h>
23 #include <dali/devel-api/update/frame-callback-interface.h>
24 #include <dali/devel-api/update/update-proxy.h>
25 #include <dali/internal/event/update/frame-callback-interface-impl.h>
33 FrameCallback* FrameCallback::New(FrameCallbackInterface& frameCallbackInterface)
35 return new FrameCallback(&frameCallbackInterface);
38 FrameCallback::~FrameCallback()
44 mRootNode->RemoveObserver(*this);
46 mUpdateProxy->AddNodeResetters();
52 void FrameCallback::ConnectToSceneGraph(UpdateManager& updateManager, TransformManager& transformManager, Node& rootNode, SceneGraphTravelerInterfacePtr traveler)
54 mRootNode = &rootNode;
55 rootNode.AddObserver(*this);
57 ConnectToSceneGraph(updateManager, transformManager, traveler);
60 void FrameCallback::ConnectToSceneGraph(UpdateManager& updateManager, TransformManager& transformManager, SceneGraphTravelerInterfacePtr traveler)
62 mUpdateProxy = std::unique_ptr<UpdateProxy>(new UpdateProxy(updateManager, transformManager, traveler));
65 FrameCallback::RequestFlags FrameCallback::Update(BufferIndex bufferIndex, float elapsedSeconds, bool nodeHierarchyChanged)
67 bool continueCalling = false;
68 bool keepRendering = false;
72 mUpdateProxy->SetCurrentBufferIndex(bufferIndex);
74 while(!mSyncPoints.empty())
76 mUpdateProxy->Notify(mSyncPoints.front());
77 mSyncPoints.pop_front();
80 if(nodeHierarchyChanged)
82 mUpdateProxy->NodeHierarchyChanged();
85 Mutex::ScopedLock lock(mMutex);
86 if(mFrameCallbackInterface && mValid)
88 Dali::UpdateProxy updateProxy(*mUpdateProxy);
89 keepRendering = mFrameCallbackInterface->Update(updateProxy, elapsedSeconds);
90 continueCalling = true;
94 return static_cast<FrameCallback::RequestFlags>(continueCalling | (keepRendering << 1));
97 void FrameCallback::Notify(Dali::UpdateProxy::NotifySyncPoint syncPoint)
99 mSyncPoints.push_back(syncPoint);
102 void FrameCallback::Invalidate()
104 Mutex::ScopedLock lock(mMutex);
105 if(mFrameCallbackInterface && mValid)
107 FrameCallbackInterface::Impl::Get(*mFrameCallbackInterface).DisconnectFromSceneGraphObject();
109 // Do not set mFrameCallbackInterface to nullptr as it is used for comparison checks by the comparison operator
113 void FrameCallback::PropertyOwnerDestroyed(PropertyOwner& owner)
115 mUpdateProxy.reset(); // Root node is being destroyed so no point keeping the update-proxy either
121 FrameCallback::FrameCallback(FrameCallbackInterface* frameCallbackInterface)
123 mFrameCallbackInterface(frameCallbackInterface)
125 if(frameCallbackInterface)
127 FrameCallbackInterface::Impl::Get(*mFrameCallbackInterface).ConnectToSceneGraphObject(*this);
131 } // namespace SceneGraph
133 } // namespace Internal