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Nodes: avoid slow and unecessary node group updates on file read

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On file read we need to update group nodes in case the group they refer to
has changed its inputs and outputs. This had O(n^2) time complexity and was
updating all datablocks even if they did not change.
This commit is contained in:
Brecht Van Lommel
2019-04-20 20:25:22 +02:00
parent 62421470ee
commit d730e512ac
20 changed files with 119 additions and 124 deletions
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6
source/blender/nodes/NOD_common.h
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@@ -35,11 +35,11 @@ void register_node_type_group_output(void);
/* internal functions for editor */
struct bNodeSocket *node_group_find_input_socket(struct bNode *groupnode, const char *identifier);
struct bNodeSocket *node_group_find_output_socket(struct bNode *groupnode, const char *identifier);
void node_group_verify(struct bNodeTree *ntree, struct bNode *node, struct ID *id);
void node_group_update(struct bNodeTree *ntree, struct bNode *node);
struct bNodeSocket *node_group_input_find_socket(struct bNode *node, const char *identifier);
struct bNodeSocket *node_group_output_find_socket(struct bNode *node, const char *identifier);
void node_group_input_verify(struct bNodeTree *ntree, struct bNode *node, struct ID *id);
void node_group_output_verify(struct bNodeTree *ntree, struct bNode *node, struct ID *id);
void node_group_input_update(struct bNodeTree *ntree, struct bNode *node);
void node_group_output_update(struct bNodeTree *ntree, struct bNode *node);
#endif /* __NOD_COMMON_H__ */