2 * Copyright (c) 2021 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/event/render-tasks/render-task-list-impl.h>
22 #include <dali/internal/event/actors/camera-actor-impl.h>
23 #include <dali/internal/event/common/event-thread-services.h>
24 #include <dali/internal/event/common/stage-impl.h>
25 #include <dali/internal/event/render-tasks/render-task-defaults.h>
26 #include <dali/internal/event/render-tasks/render-task-impl.h>
27 #include <dali/internal/update/manager/update-manager.h>
28 #include <dali/internal/update/render-tasks/scene-graph-render-task-list.h>
29 #include <dali/internal/update/render-tasks/scene-graph-render-task.h>
30 #include <dali/public-api/common/dali-common.h>
32 using Dali::Internal::SceneGraph::UpdateManager;
34 #if defined(DEBUG_ENABLED)
37 Debug::Filter* gLogRenderList = Debug::Filter::New(Debug::Concise, false, "LOG_RENDER_TASK_LIST");
46 RenderTaskListPtr RenderTaskList::New()
48 RenderTaskListPtr taskList = new RenderTaskList();
50 taskList->Initialize();
55 RenderTaskPtr RenderTaskList::CreateTask()
57 return CreateTask(&mDefaults.GetDefaultRootActor(), &mDefaults.GetDefaultCameraActor());
60 RenderTaskPtr RenderTaskList::CreateTask(Actor* sourceActor, CameraActor* cameraActor)
62 RenderTaskPtr task = RenderTask::New(sourceActor, cameraActor, *this);
63 if(mOverlayRenderTask && mTasks.back() == mOverlayRenderTask)
65 mTasks.insert(mTasks.end() - 1, task);
69 mTasks.push_back(task);
75 RenderTaskPtr RenderTaskList::CreateOverlayTask(Actor* sourceActor, CameraActor* cameraActor)
77 if(!mOverlayRenderTask)
79 mOverlayRenderTask = CreateTask(sourceActor, &mDefaults.GetDefaultCameraActor());
81 return mOverlayRenderTask;
84 void RenderTaskList::RemoveTask(Internal::RenderTask& task)
86 for(RenderTaskContainer::iterator iter = mTasks.begin(); mTasks.end() != iter; ++iter)
88 RenderTask* ptr = iter->Get();
92 const SceneGraph::RenderTask& sceneObject = task.GetRenderTaskSceneObject();
96 // send a message to remove the scene-graph RenderTask
97 RemoveTaskMessage(mEventThreadServices, *mSceneObject, sceneObject);
99 Exclusive exclusive{ptr, ActorObserver()};
100 ExclusivesContainer::iterator exclusiveIter = find(mExclusives.begin(), mExclusives.end(), exclusive);
101 if(exclusiveIter != mExclusives.end())
103 mExclusives.erase(exclusiveIter);
105 break; // we're finished
110 uint32_t RenderTaskList::GetTaskCount() const
112 return static_cast<uint32_t>(mTasks.size()); // only 4,294,967,295 render tasks supported
115 RenderTaskPtr RenderTaskList::GetTask(uint32_t index) const
117 DALI_ASSERT_ALWAYS((index < mTasks.size()) && "RenderTask index out-of-range");
119 return mTasks[index];
122 RenderTaskPtr RenderTaskList::GetOverlayTask() const
124 RenderTaskPtr overlayRenderTask;
125 if(mOverlayRenderTask)
127 overlayRenderTask = mOverlayRenderTask;
129 return overlayRenderTask;
132 void RenderTaskList::SetExclusive(RenderTask* task, bool exclusive)
134 // Check to see if this rendertask has an entry?
135 for(auto exclusiveIt = mExclusives.begin(); exclusiveIt != mExclusives.end(); ++exclusiveIt)
137 if(exclusiveIt->renderTaskPtr == task)
141 mExclusives.erase(exclusiveIt);
146 exclusiveIt->actor.SetActor(task->GetSourceActor());
154 Exclusive exclusiveSlot;
155 exclusiveSlot.renderTaskPtr = task;
156 exclusiveSlot.actor.SetActor(task->GetSourceActor());
157 mExclusives.emplace_back(std::move(exclusiveSlot));
161 RenderTaskList::RenderTaskList()
162 : mEventThreadServices(EventThreadServices::Get()),
163 mDefaults(*Stage::GetCurrent()),
164 mSceneObject(nullptr)
168 RenderTaskList::~RenderTaskList()
170 if(EventThreadServices::IsCoreRunning() && mSceneObject)
172 // Remove the render task list using a message to the update manager
173 RemoveRenderTaskListMessage(mEventThreadServices.GetUpdateManager(), *mSceneObject);
177 void RenderTaskList::Initialize()
179 // Create a new render task list, Keep a const pointer to the render task list.
180 mSceneObject = SceneGraph::RenderTaskList::New();
182 OwnerPointer<SceneGraph::RenderTaskList> transferOwnership(const_cast<SceneGraph::RenderTaskList*>(mSceneObject));
183 AddRenderTaskListMessage(mEventThreadServices.GetUpdateManager(), transferOwnership);
185 // set the callback to call us back when tasks are completed
186 mSceneObject->SetCompleteNotificationInterface(this);
189 void RenderTaskList::NotifyCompleted()
191 DALI_LOG_TRACE_METHOD(gLogRenderList);
193 RenderTaskContainer finishedRenderTasks;
195 // Since render tasks can be unreferenced during the signal emissions, iterators into render tasks pointers may be invalidated.
196 // First copy the finished render tasks, then emit signals
197 for(RenderTaskContainer::iterator iter = mTasks.begin(), endIt = mTasks.end(); iter != endIt; ++iter)
199 if((*iter)->HasFinished())
201 finishedRenderTasks.push_back(*iter);
205 // Now it's safe to emit the signals
206 for(auto&& item : finishedRenderTasks)
208 item->EmitSignalFinish();
212 void RenderTaskList::RecoverFromContextLoss()
214 for(auto&& item : mTasks)
216 // If the render target renders only once to an offscreen, re-render the render task
217 if(item->GetRefreshRate() == Dali::RenderTask::REFRESH_ONCE && item->GetFrameBuffer())
219 item->SetRefreshRate(Dali::RenderTask::REFRESH_ONCE);
224 const SceneGraph::RenderTaskList& RenderTaskList::GetSceneObject() const
226 return *mSceneObject;
229 } // namespace Internal