[Bf-blender-cvs] [d481fb10efb] master: Nodes: fix handling cyclic node trees

[Jacques Lucke]

Commit: d481fb10efb9f20094330766b562a77c643a15b0
Author: Jacques Lucke
Date:   Thu Sep 8 12:53:43 2022 +0200
Branches: master
https://developer.blender.org/rBd481fb10efb9f20094330766b562a77c643a15b0

Nodes: fix handling cyclic node trees

===================================================================

M	source/blender/blenkernel/intern/node_runtime.cc

===================================================================

diff --git a/source/blender/blenkernel/intern/node_runtime.cc b/source/blender/blenkernel/intern/node_runtime.cc
index 0c78c0f09d1..a8281820a0b 100644
--- a/source/blender/blenkernel/intern/node_runtime.cc
+++ b/source/blender/blenkernel/intern/node_runtime.cc
@@ -258,6 +258,7 @@ static void toposort_from_start_node(const ToposortDirection direction,
 
   Stack<Item, 64> nodes_to_check;
   nodes_to_check.push({&start_node});
+  node_states[start_node.runtime->index_in_tree].is_in_stack = true;
   while (!nodes_to_check.is_empty()) {
     Item &item = nodes_to_check.peek();
     bNode &node = *item.node;