2 * Copyright (c) 2014 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/nodes/node.h>
22 #include <dali/internal/common/internal-constants.h>
23 #include <dali/internal/common/memory-pool-object-allocator.h>
24 #include <dali/internal/update/node-attachments/node-attachment.h>
25 #include <dali/internal/update/common/discard-queue.h>
26 #include <dali/public-api/common/dali-common.h>
27 #include <dali/public-api/common/constants.h>
29 namespace //Unnamed namespace
31 //Memory pool used to allocate new nodes. Memory used by this pool will be released when shutting down DALi
32 Dali::Internal::MemoryPoolObjectAllocator<Dali::Internal::SceneGraph::Node> gNodeMemoryPool;
44 const PositionInheritanceMode Node::DEFAULT_POSITION_INHERITANCE_MODE( INHERIT_PARENT_POSITION );
45 const ColorMode Node::DEFAULT_COLOR_MODE( USE_OWN_MULTIPLY_PARENT_ALPHA );
49 return new ( gNodeMemoryPool.AllocateRawThreadSafe() ) Node();
53 : mTransformManager(0),
54 mTransformId( INVALID_TRANSFORM_ID ),
55 mParentOrigin( TRANSFORM_PROPERTY_PARENT_ORIGIN ),
56 mAnchorPoint( TRANSFORM_PROPERTY_ANCHOR_POINT ),
57 mSize(TRANSFORM_PROPERTY_SIZE), // zero initialized by default
58 mPosition(TRANSFORM_PROPERTY_POSITION), // zero initialized by default
59 mOrientation(), // initialized to identity by default
60 mScale( TRANSFORM_PROPERTY_SCALE ),
62 mColor( Color::WHITE ),
63 mWorldPosition(TRANSFORM_PROPERTY_WORLD_POSITION, Vector3(0.0f,0.0f,0.0f)), // zero initialized by default
64 mWorldScale( TRANSFORM_PROPERTY_WORLD_SCALE, Vector3(1.0f,1.0f,1.0f) ),
65 mWorldOrientation(), // initialized to identity by default
67 mWorldColor( Color::WHITE ),
69 mExclusiveRenderTask( NULL ),
72 mRegenerateUniformMap( 0 ),
74 mDirtyFlags(AllFlags),
76 mDrawMode( DrawMode::NORMAL ),
77 mColorMode( DEFAULT_COLOR_MODE )
79 mUniformMapChanged[0] = 0u;
80 mUniformMapChanged[1] = 0u;
85 if( mTransformId != INVALID_TRANSFORM_ID )
87 mTransformManager->RemoveTransform(mTransformId);
91 void Node::operator delete( void* ptr )
93 gNodeMemoryPool.FreeThreadSafe( static_cast<Node*>( ptr ) );
96 void Node::OnDestroy()
98 // Node attachments should be notified about the disconnection.
101 mAttachment->OnDestroy();
104 // Animators, Constraints etc. should be disconnected from the child's properties.
105 PropertyOwner::Destroy();
108 void Node::CreateTransform( SceneGraph::TransformManager* transformManager )
110 //Create a new transform
111 mTransformManager = transformManager;
112 mTransformId = transformManager->CreateTransform();
114 //Initialize all the animatable properties
115 mPosition.Initialize( transformManager, mTransformId );
116 mScale.Initialize( transformManager, mTransformId );
117 mOrientation.Initialize( transformManager, mTransformId );
118 mSize.Initialize( transformManager, mTransformId );
119 mParentOrigin.Initialize( transformManager, mTransformId );
120 mAnchorPoint.Initialize( transformManager, mTransformId );
122 //Initialize all the input properties
123 mWorldPosition.Initialize( transformManager, mTransformId );
124 mWorldScale.Initialize( transformManager, mTransformId );
125 mWorldOrientation.Initialize( transformManager, mTransformId );
126 mWorldMatrix.Initialize( transformManager, mTransformId );
129 void Node::Attach( NodeAttachment& object )
131 DALI_ASSERT_DEBUG(!mAttachment);
133 object.SetParent(*this);
135 mAttachment = &object;
138 mAttachment->ConnectedToSceneGraph();
141 void Node::SetRoot(bool isRoot)
143 DALI_ASSERT_DEBUG(!isRoot || mParent == NULL); // Root nodes cannot have a parent
148 void Node::AddUniformMapping( UniformPropertyMapping* map )
150 PropertyOwner::AddUniformMapping( map );
151 mRegenerateUniformMap = 2;
154 void Node::RemoveUniformMapping( const std::string& uniformName )
156 PropertyOwner::RemoveUniformMapping( uniformName );
157 mRegenerateUniformMap = 2;
160 void Node::PrepareRender( BufferIndex bufferIndex )
162 if(mRegenerateUniformMap != 0 )
164 if( mRegenerateUniformMap == 2 )
166 CollectedUniformMap& localMap = mCollectedUniformMap[ bufferIndex ];
169 for( unsigned int i=0, count=mUniformMaps.Count(); i<count; ++i )
171 localMap.PushBack( &mUniformMaps[i] );
174 else if( mRegenerateUniformMap == 1 )
176 CollectedUniformMap& localMap = mCollectedUniformMap[ bufferIndex ];
177 CollectedUniformMap& oldMap = mCollectedUniformMap[ 1-bufferIndex ];
179 localMap.Resize( oldMap.Count() );
181 unsigned int index=0;
182 for( CollectedUniformMap::Iterator iter = oldMap.Begin(), end = oldMap.End() ; iter != end ; ++iter, ++index )
184 localMap[index] = *iter;
187 --mRegenerateUniformMap;
188 mUniformMapChanged[bufferIndex] = 1u;
192 void Node::ConnectChild( Node* childNode )
194 DALI_ASSERT_ALWAYS( this != childNode );
195 DALI_ASSERT_ALWAYS( IsRoot() || NULL != mParent ); // Parent should be connected first
196 DALI_ASSERT_ALWAYS( !childNode->IsRoot() && NULL == childNode->GetParent() ); // Child should be disconnected
198 childNode->SetParent( *this );
200 // Everything should be reinherited when reconnected to scene-graph
201 childNode->SetAllDirtyFlags();
203 // Add the node to the end of the child list.
204 mChildren.PushBack( childNode );
206 // Inform property observers of new connection
207 childNode->ConnectToSceneGraph();
209 // Inform child node attachment that the node has been added to the stage
210 if( childNode->mAttachment )
212 childNode->mAttachment->ConnectedToSceneGraph();
216 void Node::DisconnectChild( BufferIndex updateBufferIndex, Node& childNode )
218 DALI_ASSERT_ALWAYS( this != &childNode );
219 DALI_ASSERT_ALWAYS( childNode.GetParent() == this );
221 // Find the childNode and remove it
224 const NodeIter endIter = mChildren.End();
225 for ( NodeIter iter = mChildren.Begin(); iter != endIter; ++iter )
227 Node* current = *iter;
228 if ( current == &childNode )
231 mChildren.Erase( iter ); // order matters here
232 break; // iter is no longer valid
235 DALI_ASSERT_ALWAYS( NULL != found );
237 found->RecursiveDisconnectFromSceneGraph( updateBufferIndex );
240 void Node::RemoveRenderer( Renderer* renderer )
242 unsigned int rendererCount( mRenderer.Size() );
243 for( unsigned int i(0); i<rendererCount; ++i )
245 if( mRenderer[i] == renderer )
247 mRenderer.Erase( mRenderer.Begin()+i);
253 int Node::GetDirtyFlags() const
255 // get initial dirty flags, they are reset ResetDefaultProperties, but setters may have made the node dirty already
256 int flags = mDirtyFlags;
258 // Check whether the visible property has changed
259 if ( !mVisible.IsClean() )
261 flags |= VisibleFlag;
264 // Check whether the color property has changed
265 if ( !mColor.IsClean() )
273 void Node::ResetDefaultProperties( BufferIndex updateBufferIndex )
275 mVisible.ResetToBaseValue( updateBufferIndex );
276 mColor.ResetToBaseValue( updateBufferIndex );
278 mDirtyFlags = NothingFlag;
281 void Node::SetParent(Node& parentNode)
283 DALI_ASSERT_ALWAYS(this != &parentNode);
284 DALI_ASSERT_ALWAYS(!mIsRoot);
285 DALI_ASSERT_ALWAYS(mParent == NULL);
287 mParent = &parentNode;
288 mDepth = mParent->GetDepth() + 1u;
290 if( mTransformId != INVALID_TRANSFORM_ID )
292 mTransformManager->SetParent( mTransformId, parentNode.GetTransformId() );
296 void Node::RecursiveDisconnectFromSceneGraph( BufferIndex updateBufferIndex )
298 DALI_ASSERT_ALWAYS(!mIsRoot);
299 DALI_ASSERT_ALWAYS(mParent != NULL);
301 const NodeIter endIter = mChildren.End();
302 for ( NodeIter iter = mChildren.Begin(); iter != endIter; ++iter )
304 (*iter)->RecursiveDisconnectFromSceneGraph( updateBufferIndex );
307 // Animators, Constraints etc. should be disconnected from the child's properties.
308 PropertyOwner::DisconnectFromSceneGraph( updateBufferIndex );
310 // Remove back-pointer to parent
314 // Remove all child pointers
317 // Inform child node attachment that the node has been removed from the stage
320 mAttachment->DisconnectedFromSceneGraph();
323 if( mTransformId != INVALID_TRANSFORM_ID )
325 mTransformManager->SetParent( mTransformId, INVALID_TRANSFORM_ID );
329 } // namespace SceneGraph
331 } // namespace Internal