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/devel-api/rendering/renderer.h> // Dali::Renderer
23 #include <dali/internal/common/blending-options.h>
24 #include <dali/internal/event/common/event-thread-services.h>
25 #include <dali/internal/update/common/property-owner.h>
26 #include <dali/internal/update/common/uniform-map.h>
27 #include <dali/internal/update/common/scene-graph-connection-change-propagator.h>
28 #include <dali/internal/render/data-providers/render-data-provider.h>
42 class SceneController;
45 typedef Dali::Vector< Renderer* > RendererContainer;
46 typedef RendererContainer::Iterator RendererIter;
47 typedef RendererContainer::ConstIterator RendererConstIter;
52 class Renderer : public PropertyOwner,
53 public UniformMapDataProvider,
54 public UniformMap::Observer,
55 public ConnectionChangePropagator::Observer
67 * Construct a new Renderer
69 static Renderer* New();
77 * Overriden delete operator
78 * Deletes the renderer from its global memory pool
80 void operator delete( void* ptr );
83 * Set the texture set for the renderer
84 * @param[in] textureSet The texture set this renderer will use
86 void SetTextures( TextureSet* textureSet );
90 * Set the shader for the renderer
91 * @param[in] shader The shader this renderer will use
93 void SetShader( Shader* shader );
96 * Get the shader used by this renderer
97 * @return the shader this renderer uses
105 * Set the geometry for the renderer
106 * @param[in] geometry The geometry this renderer will use
108 void SetGeometry( Geometry* geometry );
111 * Get the geometry of this renderer
112 * @return the geometry this renderer uses
114 Geometry& GetGeometry()
120 * Set the depth index
121 * @param[in] depthIndex the new depth index to use
123 void SetDepthIndex( int depthIndex );
126 * @brief Get the depth index
127 * @return The depth index
129 int GetDepthIndex() const
135 * Set the face culling mode
136 * @param[in] faceCullingMode to use
138 void SetFaceCullingMode( unsigned int faceCullingMode );
141 * Set the blending mode
142 * @param[in] blendingMode to use
144 void SetBlendingMode( unsigned int blendingMode );
147 * Set the blending options. This should only be called from the update thread.
148 * @param[in] options A bitmask of blending options.
150 void SetBlendingOptions( unsigned int options );
153 * Set the blend color for blending operation
154 * @param blendColor to pass to GL
156 void SetBlendColor( const Vector4& blendColor );
159 * Set the index of first element for indexed draw
160 * @param[in] firstElement index of first element to draw
162 void SetIndexedDrawFirstElement( size_t firstElement );
165 * Set the number of elements to draw by indexed draw
166 * @param[in] elementsCount number of elements to draw
168 void SetIndexedDrawElementsCount( size_t elementsCount );
171 * @brief Set whether the Pre-multiplied Alpha Blending is required
173 * @param[in] preMultipled whether alpha is pre-multiplied.
175 void EnablePreMultipliedAlpha( bool preMultipled );
178 * Called when an actor with this renderer is added to the stage
180 void OnStageConnect();
183 * Called when an actor with this renderer is removed from the stage
185 void OnStageDisconnect();
188 * Prepare the object for rendering.
189 * This is called by the UpdateManager when an object is due to be rendered in the current frame.
190 * @param[in] updateBufferIndex The current update buffer index.
192 void PrepareRender( BufferIndex updateBufferIndex );
195 * Retrieve the Render thread renderer
196 * @return The associated render thread renderer
198 Render::Renderer& GetRenderer();
201 * Check whether the renderer has been marked as ready to render
202 * ready means that renderer has all resources and should produce correct result
203 * complete means all resources have finished loading
204 * It's possible that renderer is complete but not ready,
205 * for example in case of resource load failed
206 * @param[out] ready TRUE if the renderer has resources to render
207 * @param[out] complete TRUE if the renderer resources are complete
209 void GetReadyAndComplete( bool& ready, bool& complete ) const;
212 * Query whether the renderer is fully opaque, fully transparent or transparent.
213 * @param[in] updateBufferIndex The current update buffer index.
214 * @return OPAQUE if fully opaque, TRANSPARENT if fully transparent and TRANSLUCENT if in between
216 Opacity GetOpacity( BufferIndex updateBufferIndex, const Node& node ) const;
219 * Query whether the renderer is currently in use by an actor on the stage
221 bool IsReferenced() const
223 return mReferenceCount > 0;
227 public: // Implementation of ObjectOwnerContainer template methods
229 * Connect the object to the scene graph
231 * @param[in] sceneController The scene controller - used for sending messages to render thread
232 * @param[in] bufferIndex The current buffer index - used for sending messages to render thread
234 void ConnectToSceneGraph( SceneController& sceneController, BufferIndex bufferIndex );
237 * Disconnect the object from the scene graph
238 * @param[in] sceneController The scene controller - used for sending messages to render thread
239 * @param[in] bufferIndex The current buffer index - used for sending messages to render thread
241 void DisconnectFromSceneGraph( SceneController& sceneController, BufferIndex bufferIndex );
243 public: // Implementation of ConnectionChangePropagator
245 * @copydoc ConnectionChangePropagator::AddObserver
247 void AddConnectionObserver(ConnectionChangePropagator::Observer& observer){};
250 * @copydoc ConnectionChangePropagator::RemoveObserver
252 void RemoveConnectionObserver(ConnectionChangePropagator::Observer& observer){};
257 public: // UniformMap::Observer
259 * @copydoc UniformMap::Observer::UniformMappingsChanged
261 virtual void UniformMappingsChanged( const UniformMap& mappings );
263 public: // ConnectionChangePropagator::Observer
266 * @copydoc ConnectionChangePropagator::ConnectionsChanged
268 virtual void ConnectionsChanged( PropertyOwner& owner );
271 * @copydoc ConnectionChangePropagator::ConnectedUniformMapChanged
273 virtual void ConnectedUniformMapChanged( );
276 * @copydoc ConnectionChangePropagator::ConnectedUniformMapChanged
278 virtual void ObservedObjectDestroyed(PropertyOwner& owner);
280 public: // PropertyOwner implementation
282 * @copydoc Dali::Internal::SceneGraph::PropertyOwner::ResetDefaultProperties()
284 virtual void ResetDefaultProperties( BufferIndex updateBufferIndex ){};
286 public: // From UniformMapDataProvider
289 * @copydoc UniformMapDataProvider::GetUniformMapChanged
291 virtual bool GetUniformMapChanged( BufferIndex bufferIndex ) const{ return mUniformMapChanged[bufferIndex];}
294 * @copydoc UniformMapDataProvider::GetUniformMap
296 virtual const CollectedUniformMap& GetUniformMap( BufferIndex bufferIndex ) const;
301 * Protected constructor; See also Renderer::New()
306 * Helper function to create a new render data provider
307 * @return the new (initialized) data provider
309 RenderDataProvider* NewRenderDataProvider();
313 SceneController* mSceneController; ///< Used for initializing renderers whilst attached
314 Render::Renderer* mRenderer; ///< Raw pointer to the new renderer (that's owned by RenderManager)
315 TextureSet* mTextureSet; ///< The texture set this renderer uses. (Not owned)
316 Geometry* mGeometry; ///< The geometry this renderer uses. (Not owned)
319 Vector4* mBlendColor; ///< The blend color for blending operation
320 unsigned int mBlendBitmask; ///< The bitmask of blending options
321 Dali::Renderer::FaceCullingMode mFaceCullingMode; ///< The mode of face culling
322 BlendingMode::Type mBlendingMode; ///< The mode of blending
324 CollectedUniformMap mCollectedUniformMap[2]; ///< Uniform maps collected by the renderer
325 unsigned int mReferenceCount; ///< Number of nodes currently using this renderer
326 unsigned int mRegenerateUniformMap; ///< 2 if the map should be regenerated, 1 if it should be copied.
327 unsigned char mResendFlag; ///< Indicate whether data should be resent to the renderer
328 bool mUniformMapChanged[2]; ///< Records if the uniform map has been altered this frame
329 bool mResourcesReady; ///< Set during the Update algorithm; true if the attachment has resources ready for the current frame.
330 bool mFinishedResourceAcquisition; ///< Set during DoPrepareResources; true if ready & all resource acquisition has finished (successfully or otherwise)
331 bool mPremultipledAlphaEnabled; ///< Flag indicating whether the Pre-multiplied Alpha Blending is required
333 size_t mIndexedDrawFirstElement; ///< first element index to be drawn using indexed draw
334 size_t mIndexedDrawElementsCount; ///< number of elements to be drawn using indexed draw
337 int mDepthIndex; ///< Used only in PrepareRenderInstructions
342 inline void SetTexturesMessage( EventThreadServices& eventThreadServices, const Renderer& renderer, const TextureSet& textureSet )
344 typedef MessageValue1< Renderer, TextureSet* > LocalType;
346 // Reserve some memory inside the message queue
347 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
349 // Construct message in the message queue memory; note that delete should not be called on the return value
350 new (slot) LocalType( &renderer, &Renderer::SetTextures, const_cast<TextureSet*>(&textureSet) );
353 inline void SetGeometryMessage( EventThreadServices& eventThreadServices, const Renderer& renderer, const Geometry& geometry )
355 typedef MessageValue1< Renderer, Geometry* > LocalType;
357 // Reserve some memory inside the message queue
358 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
360 // Construct message in the message queue memory; note that delete should not be called on the return value
361 new (slot) LocalType( &renderer, &Renderer::SetGeometry, const_cast<Geometry*>(&geometry) );
364 inline void SetShaderMessage( EventThreadServices& eventThreadServices, const Renderer& renderer, Shader& shader )
366 typedef MessageValue1< Renderer, Shader* > LocalType;
368 // Reserve some memory inside the message queue
369 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
371 // Construct message in the message queue memory; note that delete should not be called on the return value
372 new (slot) LocalType( &renderer, &Renderer::SetShader, &shader );
375 inline void SetDepthIndexMessage( EventThreadServices& eventThreadServices, const Renderer& attachment, int depthIndex )
377 typedef MessageValue1< Renderer, int > LocalType;
379 // Reserve some memory inside the message queue
380 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
382 // Construct message in the message queue memory; note that delete should not be called on the return value
383 new (slot) LocalType( &attachment, &Renderer::SetDepthIndex, depthIndex );
386 inline void SetFaceCullingModeMessage( EventThreadServices& eventThreadServices, const Renderer& renderer, Dali::Renderer::FaceCullingMode faceCullingMode )
388 typedef MessageValue1< Renderer, unsigned int > LocalType;
390 // Reserve some memory inside the message queue
391 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
393 new (slot) LocalType( &renderer, &Renderer::SetFaceCullingMode, faceCullingMode );
396 inline void SetBlendingModeMessage( EventThreadServices& eventThreadServices, const Renderer& renderer, BlendingMode::Type blendingMode )
398 typedef MessageValue1< Renderer, unsigned int > LocalType;
400 // Reserve some memory inside the message queue
401 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
403 new (slot) LocalType( &renderer, &Renderer::SetBlendingMode, blendingMode );
406 inline void SetBlendingOptionsMessage( EventThreadServices& eventThreadServices, const Renderer& renderer, unsigned int options )
408 typedef MessageValue1< Renderer, unsigned int > LocalType;
410 // Reserve some memory inside the message queue
411 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
413 new (slot) LocalType( &renderer, &Renderer::SetBlendingOptions, options );
416 inline void SetBlendColorMessage( EventThreadServices& eventThreadServices, const Renderer& renderer, const Vector4& blendColor )
418 typedef MessageValue1< Renderer, Vector4 > LocalType;
420 // Reserve some memory inside the message queue
421 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
423 new (slot) LocalType( &renderer, &Renderer::SetBlendColor, blendColor );
426 inline void SetIndexedDrawFirstElementMessage( EventThreadServices& eventThreadServices, const Renderer& renderer, size_t firstElement )
428 typedef MessageValue1< Renderer, size_t > LocalType;
430 // Reserve some memory inside the message queue
431 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
433 new (slot) LocalType( &renderer, &Renderer::SetIndexedDrawFirstElement, firstElement );
436 inline void SetIndexedDrawElementsCountMessage( EventThreadServices& eventThreadServices, const Renderer& renderer, size_t elementsCount )
438 typedef MessageValue1< Renderer, size_t > LocalType;
440 // Reserve some memory inside the message queue
441 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
443 new (slot) LocalType( &renderer, &Renderer::SetIndexedDrawElementsCount, elementsCount );
446 inline void SetEnablePreMultipliedAlphaMessage( EventThreadServices& eventThreadServices, const Renderer& renderer, bool preMultiplied )
448 typedef MessageValue1< Renderer, bool > LocalType;
450 // Reserve some memory inside the message queue
451 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
453 new (slot) LocalType( &renderer, &Renderer::EnablePreMultipliedAlpha, preMultiplied );
456 inline void OnStageConnectMessage( EventThreadServices& eventThreadServices, const Renderer& renderer )
458 typedef Message< Renderer > LocalType;
460 // Reserve some memory inside the message queue
461 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
463 // Construct message in the message queue memory; note that delete should not be called on the return value
464 new (slot) LocalType( &renderer, &Renderer::OnStageConnect );
467 inline void OnStageDisconnectMessage( EventThreadServices& eventThreadServices, const Renderer& renderer )
469 typedef Message< Renderer > LocalType;
471 // Reserve some memory inside the message queue
472 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
474 // Construct message in the message queue memory; note that delete should not be called on the return value
475 new (slot) LocalType( &renderer, &Renderer::OnStageDisconnect );
478 } // namespace SceneGraph
479 } // namespace Internal
482 #endif // DALI_INTERNAL_SCENE_GRAPH_RENDERER_H