1 #ifndef DALI_INTERNAL_RENDER_TASK_LIST_H
2 #define DALI_INTERNAL_RENDER_TASK_LIST_H
5 * Copyright (c) 2019 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.
22 #include <dali/public-api/common/vector-wrapper.h>
23 #include <dali/public-api/object/base-object.h>
24 #include <dali/public-api/render-tasks/render-task-list.h>
25 #include <dali/internal/event/common/complete-notification-interface.h>
26 #include <dali/internal/event/render-tasks/render-task-impl.h>
27 #include <dali/internal/event/events/actor-observer.h>
35 class EventThreadServices;
36 class RenderTaskDefaults;
40 using RenderTaskPtr = IntrusivePtr<RenderTask>;
42 using RenderTaskListPtr = IntrusivePtr<RenderTaskList>;
51 * A proxy for the scene-graph RenderTaskList.
52 * A separate LayerList is maintained for actors added via the SystemLevel::Add().
54 class RenderTaskList : public BaseObject, public CompleteNotificationInterface
58 using RenderTaskContainer = std::vector< RenderTaskPtr >;
62 RenderTask* renderTaskPtr; ///< Pointer for comparison with current rendertask.
63 ActorObserver actor; ///< For comparison with current actor.
66 using ExclusivesContainer = std::vector< Exclusive >;
69 * Create a RenderTaskList.
70 * @return A newly allocated RenderTaskList; the caller takes ownership.
72 static RenderTaskListPtr New();
75 * @copydoc Dali::RenderTaskList::CreateTask()
77 RenderTaskPtr CreateTask();
80 * @brief Creates a new RenderTask.
82 * This will be appended to the list of render-tasks.
84 * @param[in] sourceActor The actor and its children to be rendered for this render task.
85 * @param[in] cameraActor The actor from which the scene is viewed for this render task.
86 * @return A valid handle to a new RenderTask
88 RenderTaskPtr CreateTask( Actor* sourceActor, CameraActor* cameraActor);
91 * @copydoc Dali::RenderTaskList::RemoveTask()
93 void RemoveTask( Internal::RenderTask& task );
96 * @copydoc Dali::RenderTaskList::GetTaskCount()
98 uint32_t GetTaskCount() const;
101 * @copydoc Dali::RenderTaskList::GetTask()
103 RenderTaskPtr GetTask( uint32_t index ) const;
106 * Retrieve the container of render-tasks.
107 * @return The container.
109 RenderTaskContainer& GetTasks()
115 * @brief Mark a rendertask as having exclusive access to its source actor.
117 * @param[in] task Pointer to the rendertask.
118 * @param[in] exclusive If a rendertask is to have exclusive acesss to its source actor.
120 void SetExclusive( RenderTask* task, bool exclusive );
123 * @brief Return the list of rendertasks that exclusively own their source actor.
125 * @return [description]
127 const ExclusivesContainer& GetExclusivesList() const
133 * Provide notification signals for a "Finished" render task.
134 * This method should be called in the event-thread
135 * Queue NotifyFinishedMessage() from update-thread
136 * @param object pointer to this class instance
138 static void NotifyFinished( void* object );
141 * This method refreshes all render tasks that have a frame buffer
142 * and a refresh rate of RefreshOnce.
144 void RecoverFromContextLoss();
147 * Retrieve the SceneGraph::RenderTaskList object.
148 * @return The RenderTaskList.
150 const SceneGraph::RenderTaskList& GetSceneObject() const;
155 * Construct a new RenderTaskList.
160 * A reference counted object may only be deleted by calling Unreference()
162 virtual ~RenderTaskList();
165 * 2nd-phase construction
169 private: // from CompleteNotificationInterface
172 * @copydoc CompleteNotificationInterface::NotifyCompleted()
174 virtual void NotifyCompleted();
178 EventThreadServices& mEventThreadServices;
179 RenderTaskDefaults& mDefaults;
181 SceneGraph::RenderTaskList* mSceneObject; ///< Raw-pointer to the scene-graph object; not owned.
183 RenderTaskContainer mTasks; ///< Reference counted render-tasks
184 ExclusivesContainer mExclusives; ///< List of rendertasks with exclusively owned source actors.
187 } // namespace Internal
189 // Helpers for public-api forwarding methods
191 inline Internal::RenderTaskList& GetImplementation(Dali::RenderTaskList& taskList)
193 DALI_ASSERT_ALWAYS(taskList && "RenderTaskList handle is empty");
195 BaseObject& handle = taskList.GetBaseObject();
197 return static_cast<Internal::RenderTaskList&>(handle);
200 inline const Internal::RenderTaskList& GetImplementation(const Dali::RenderTaskList& taskList)
202 DALI_ASSERT_ALWAYS(taskList && "RenderTaskList handle is empty");
204 const BaseObject& handle = taskList.GetBaseObject();
206 return static_cast<const Internal::RenderTaskList&>(handle);
211 #endif // DALI_INTERNAL_RENDER_TASK_LIST_H