1 #ifndef __DALI_INTERNAL_SCENE_GRAPH_UPDATE_ALGORITHMS_H__
2 #define __DALI_INTERNAL_SCENE_GRAPH_UPDATE_ALGORITHMS_H__
5 * Copyright (c) 2014 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/internal/common/buffer-index.h>
30 class ResourceManager;
41 * Recursively apply the constraints on the nodes.
42 * @param[in] node to constraint.
43 * @param[in] updateBufferIndex The current update buffer index.
44 * @return number of active constraints.
46 unsigned int ConstrainNodes( Node& node, BufferIndex updateBufferIndex );
49 * Constrain the local properties of the PropertyOwner.
50 * @param[in] propertyOwner The PropertyOwner to constrain
51 * @param[in] updateBufferIndex The current update buffer index.
52 * @return The number of active constraints.
54 unsigned int ConstrainPropertyOwner( PropertyOwner& propertyOwner, BufferIndex updateBufferIndex );
57 * Update a tree of nodes, and attached objects.
58 * The inherited properties of each node are recalculated if necessary.
59 * When a renderable attachment is ready to render, PrepareResources() is called and
60 * it is added to the list for its Layer.
61 * @param[in] rootNode The root of a tree of nodes.
62 * @param[in] updateBufferIndex The current update buffer index.
63 * @param[in] resourceManager The resource manager.
64 * @param[in] renderQueue Used to query messages for the next Render.
65 * @return The cumulative (ORed) dirty flags for the updated nodes
67 int UpdateNodesAndAttachments( Layer& rootNode,
68 BufferIndex updateBufferIndex,
69 ResourceManager& resourceManager,
70 RenderQueue& renderQueue );
72 } // namespace SceneGraph
74 } // namespace Internal
78 #endif // __DALI_INTERNAL_SCENE_GRAPH_UPDATE_ALGORITHMS_H__