[Bf-blender-cvs] [1bec2aa] master: Cycles: Fix crash in constant folding introduced by recent commit
Sergey Sharybin
noreply at git.blender.org
Wed Nov 25 16:14:39 CET 2015
Commit: 1bec2aa54e85f4b7aceab98aee705516e4a96e1c
Author: Sergey Sharybin
Date: Wed Nov 25 20:01:08 2015 +0500
Branches: master
https://developer.blender.org/rB1bec2aa54e85f4b7aceab98aee705516e4a96e1c
Cycles: Fix crash in constant folding introduced by recent commit
Graph::disconnect() actually modifies links, needs to create a copy to iterate
if disconnect happens form inside the loop.
Question tho whether we can control this somehow..
Reported by BzztPloink in IRC, thanks!
===================================================================
M intern/cycles/render/graph.cpp
===================================================================
diff --git a/intern/cycles/render/graph.cpp b/intern/cycles/render/graph.cpp
index 8468690..2977555 100644
--- a/intern/cycles/render/graph.cpp
+++ b/intern/cycles/render/graph.cpp
@@ -582,12 +582,13 @@ void ShaderGraph::constant_fold(set<ShaderNode*>& done, ShaderNode *node)
}
/* Then fold self. */
- foreach(ShaderOutput *sock, node->outputs) {
+ foreach(ShaderOutput *output, node->outputs) {
float3 optimized_value = make_float3(0.0f, 0.0f, 0.0f);
- if(node->constant_fold(sock, &optimized_value)) {
- /* Apply optimized value to connected sockets */
- foreach(ShaderInput *in, sock->links) {
+ if(node->constant_fold(output, &optimized_value)) {
+ /* Apply optimized value to connected sockets. */
+ vector<ShaderInput*> links(output->links);
+ foreach(ShaderInput *in, links) {
in->value = optimized_value;
disconnect(in);
}
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