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Diffstat (limited to 'intern/cycles/scene/procedural.h')
-rw-r--r-- | intern/cycles/scene/procedural.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/intern/cycles/scene/procedural.h b/intern/cycles/scene/procedural.h new file mode 100644 index 00000000000..985b8d69979 --- /dev/null +++ b/intern/cycles/scene/procedural.h @@ -0,0 +1,73 @@ +/* + * Copyright 2011-2018 Blender Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include "graph/node.h" + +CCL_NAMESPACE_BEGIN + +class Progress; +class Scene; + +/* A Procedural is a Node which can create other Nodes before rendering starts. + * + * The Procedural is supposed to be the owner of any nodes that it creates. It can also create + * Nodes directly in the Scene (through Scene.create_node), it should still be set as the owner of + * those Nodes. + */ +class Procedural : public Node, public NodeOwner { + public: + NODE_ABSTRACT_DECLARE + + explicit Procedural(const NodeType *type); + virtual ~Procedural(); + + /* Called each time the ProceduralManager is tagged for an update, this function is the entry + * point for the data generated by this Procedural. */ + virtual void generate(Scene *scene, Progress &progress) = 0; + + /* Create a node and set this Procedural as the owner. */ + template<typename T> T *create_node() + { + T *node = new T(); + node->set_owner(this); + return node; + } + + /* Delete a Node created and owned by this Procedural. */ + template<typename T> void delete_node(T *node) + { + assert(node->get_owner() == this); + delete node; + } +}; + +class ProceduralManager { + bool need_update_; + + public: + ProceduralManager(); + ~ProceduralManager(); + + void update(Scene *scene, Progress &progress); + + void tag_update(); + + bool need_update() const; +}; + +CCL_NAMESPACE_END |