1 #ifndef DALI_INTERNAL_SCENE_GRAPH_RENDERER2_H
2 #define DALI_INTERNAL_SCENE_GRAPH_RENDERER2_H
5 * Copyright (c) 2015 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.
21 #include <dali/devel-api/rendering/geometry.h>
22 #include <dali/internal/event/common/event-thread-services.h>
23 #include <dali/internal/update/common/animatable-property.h>
24 #include <dali/internal/update/common/double-buffered.h>
25 #include <dali/internal/update/common/double-buffered-property.h>
26 #include <dali/internal/update/common/property-owner.h>
27 #include <dali/internal/update/common/property-boolean.h>
28 #include <dali/internal/update/common/uniform-map.h>
29 #include <dali/internal/update/common/scene-graph-connection-change-propagator.h>
30 #include <dali/internal/render/data-providers/render-data-provider.h>
44 class SceneController;
47 typedef Dali::Vector< Renderer* > RendererContainer;
48 typedef RendererContainer::Iterator RendererIter;
49 typedef RendererContainer::ConstIterator RendererConstIter;
54 class Renderer : public PropertyOwner,
55 public UniformMapDataProvider,
56 public UniformMap::Observer,
57 public ConnectionChangePropagator::Observer
72 * Set the material for the renderer
73 * @param[in] bufferIndex The current frame's buffer index
74 * @param[in] material The material this renderer will use
76 void SetMaterial( BufferIndex bufferIndex, Material* material);
79 * Get the material of this renderer
80 * @return the material this renderer uses
82 Material& GetMaterial()
88 * Set the geometry for the renderer
89 * @param[in] bufferIndex The current frame's buffer index
90 * @param[in] geometry The geometry this renderer will use
92 void SetGeometry( BufferIndex bufferIndex, Geometry* material);
95 * Get the geometry of this renderer
96 * @return the geometry this renderer uses
98 Geometry& GetGeometry()
104 * Set the depth index
105 * @param[in] depthIndex the new depth index to use
107 void SetDepthIndex( int depthIndex );
110 * @brief Get the depth index
111 * @return The depth index
113 int GetDepthIndex() const
119 * Called when an actor with this renderer is added to the stage
121 void OnStageConnect();
124 * Called when an actor with this renderer is removed from the stage
126 void OnStageDisconnect();
129 * Prepare the object for rendering.
130 * This is called by the UpdateManager when an object is due to be rendered in the current frame.
131 * @param[in] updateBufferIndex The current update buffer index.
133 void PrepareRender( BufferIndex updateBufferIndex );
136 * Retrieve the Render thread renderer
137 * @return The associated render thread renderer
139 Render::Renderer& GetRenderer();
142 * Check whether the renderer has been marked as ready to render
143 * ready means that renderer has all resources and should produce correct result
144 * complete means all resources have finished loading
145 * It's possible that renderer is complete but not ready,
146 * for example in case of resource load failed
147 * @param[out] ready TRUE if the renderer has resources to render
148 * @param[out] complete TRUE if the renderer resources are complete
150 void GetReadyAndComplete( bool& ready, bool& complete ) const;
153 * Query whether the renderer is fully opaque.
154 * @param[in] updateBufferIndex The current update buffer index.
155 * @return True if fully opaque.
157 bool IsFullyOpaque( BufferIndex updateBufferIndex, const Node& node ) const;
160 * Query whether the renderer is currently in use by an actor on the stage
162 bool IsReferenced() const
164 return mReferenceCount > 0;
168 public: // Implementation of ObjectOwnerContainer template methods
170 * Connect the object to the scene graph
172 * @param[in] sceneController The scene controller - used for sending messages to render thread
173 * @param[in] bufferIndex The current buffer index - used for sending messages to render thread
175 void ConnectToSceneGraph( SceneController& sceneController, BufferIndex bufferIndex );
178 * Disconnect the object from the scene graph
179 * @param[in] sceneController The scene controller - used for sending messages to render thread
180 * @param[in] bufferIndex The current buffer index - used for sending messages to render thread
182 void DisconnectFromSceneGraph( SceneController& sceneController, BufferIndex bufferIndex );
184 public: // Implementation of ConnectionChangePropagator
186 * @copydoc ConnectionChangePropagator::AddObserver
188 void AddConnectionObserver(ConnectionChangePropagator::Observer& observer){};
191 * @copydoc ConnectionChangePropagator::RemoveObserver
193 void RemoveConnectionObserver(ConnectionChangePropagator::Observer& observer){};
198 public: // UniformMap::Observer
200 * @copydoc UniformMap::Observer::UniformMappingsChanged
202 virtual void UniformMappingsChanged( const UniformMap& mappings );
204 public: // ConnectionChangePropagator::Observer
207 * @copydoc ConnectionChangePropagator::ConnectionsChanged
209 virtual void ConnectionsChanged( PropertyOwner& owner );
212 * @copydoc ConnectionChangePropagator::ConnectedUniformMapChanged
214 virtual void ConnectedUniformMapChanged( );
217 * @copydoc ConnectionChangePropagator::ConnectedUniformMapChanged
219 virtual void ObservedObjectDestroyed(PropertyOwner& owner);
221 public: // PropertyOwner implementation
223 * @copydoc Dali::Internal::SceneGraph::PropertyOwner::ResetDefaultProperties()
225 virtual void ResetDefaultProperties( BufferIndex updateBufferIndex ){};
227 public: // From UniformMapDataProvider
230 * @copydoc UniformMapDataProvider::GetUniformMapChanged
232 virtual bool GetUniformMapChanged( BufferIndex bufferIndex ) const{ return mUniformMapChanged[bufferIndex];}
235 * @copydoc UniformMapDataProvider::GetUniformMap
237 virtual const CollectedUniformMap& GetUniformMap( BufferIndex bufferIndex ) const;
242 * Helper function to create a new render data provider
243 * @return the new (initialized) data provider
245 RenderDataProvider* NewRenderDataProvider();
247 SceneController* mSceneController; ///< Used for initializing renderers whilst attached
248 Render::Renderer* mRenderer; ///< Raw pointer to the new renderer (that's owned by RenderManager)
249 Material* mMaterial; ///< The material this renderer uses. (Not owned)
250 Geometry* mGeometry; ///< The geometry this renderer uses. (Not owned)
252 CollectedUniformMap mCollectedUniformMap[2]; ///< Uniform maps collected by the renderer
253 unsigned int mReferenceCount; ///< Number of nodes currently using this renderer
254 unsigned int mRegenerateUniformMap; ///< 2 if the map should be regenerated, 1 if it should be copied.
255 bool mUniformMapChanged[2]; ///< Records if the uniform map has been altered this frame
256 bool mResendDataProviders; ///< True if the data providers should be resent to the renderer
257 bool mResendGeometry; ///< True if geometry should be resent to the renderer
258 bool mResourcesReady; ///< Set during the Update algorithm; true if the attachment has resources ready for the current frame.
259 bool mFinishedResourceAcquisition; ///< Set during DoPrepareResources; true if ready & all resource acquisition has finished (successfully or otherwise)
262 int mDepthIndex; ///< Used only in PrepareRenderInstructions
267 inline void SetMaterialMessage( EventThreadServices& eventThreadServices, const Renderer& renderer, const Material& material )
269 typedef MessageDoubleBuffered1< Renderer, Material* > LocalType;
271 // Reserve some memory inside the message queue
272 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
274 // Construct message in the message queue memory; note that delete should not be called on the return value
275 new (slot) LocalType( &renderer, &Renderer::SetMaterial, const_cast<Material*>(&material) );
278 inline void SetGeometryMessage( EventThreadServices& eventThreadServices, const Renderer& renderer, const Geometry& geometry )
280 typedef MessageDoubleBuffered1< Renderer, Geometry* > LocalType;
282 // Reserve some memory inside the message queue
283 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
285 // Construct message in the message queue memory; note that delete should not be called on the return value
286 new (slot) LocalType( &renderer, &Renderer::SetGeometry, const_cast<Geometry*>(&geometry) );
289 inline void SetDepthIndexMessage( EventThreadServices& eventThreadServices, const Renderer& attachment, int depthIndex )
291 typedef MessageValue1< Renderer, int > LocalType;
293 // Reserve some memory inside the message queue
294 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
296 // Construct message in the message queue memory; note that delete should not be called on the return value
297 new (slot) LocalType( &attachment, &Renderer::SetDepthIndex, depthIndex );
300 inline void OnStageConnectMessage( EventThreadServices& eventThreadServices, const Renderer& renderer )
302 typedef Message< Renderer > LocalType;
304 // Reserve some memory inside the message queue
305 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
307 // Construct message in the message queue memory; note that delete should not be called on the return value
308 new (slot) LocalType( &renderer, &Renderer::OnStageConnect );
311 inline void OnStageDisconnectMessage( EventThreadServices& eventThreadServices, const Renderer& renderer )
313 typedef Message< Renderer > LocalType;
315 // Reserve some memory inside the message queue
316 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
318 // Construct message in the message queue memory; note that delete should not be called on the return value
319 new (slot) LocalType( &renderer, &Renderer::OnStageDisconnect );
322 } // namespace SceneGraph
323 } // namespace Internal
326 #endif // DALI_INTERNAL_SCENE_GRAPH_RENDERER_H