[Bf-blender-cvs] [228edc584a0] soc-2019-cycles-procedural: Ignore links with unavailable sockets during Cycles graph generation.

[OmarSquircleArt]

Commit: 228edc584a002424a4fe4739c4feff4c7f638e7f
Author: OmarSquircleArt
Date:   Fri Aug 2 16:41:53 2019 +0200
Branches: soc-2019-cycles-procedural
https://developer.blender.org/rB228edc584a002424a4fe4739c4feff4c7f638e7f

Ignore links with unavailable sockets during Cycles graph generation.

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

M	intern/cycles/blender/blender_shader.cpp

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

diff --git a/intern/cycles/blender/blender_shader.cpp b/intern/cycles/blender/blender_shader.cpp
index 5678f08af51..f7e50839437 100644
--- a/intern/cycles/blender/blender_shader.cpp
+++ b/intern/cycles/blender/blender_shader.cpp
@@ -1165,8 +1165,11 @@ static void add_nodes(Scene *scene,
   BL::NodeTree::links_iterator b_link;
 
   for (b_ntree.links.begin(b_link); b_link != b_ntree.links.end(); ++b_link) {
-    /* Ignore invalid links to avoid unwanted cycles created in graph. */
-    if (!b_link->is_valid()) {
+    /* Ignore invalid links to avoid unwanted cycles created in graph.
+     * Also ignore links with unavailable sockets.
+     */
+    if (!(b_link->is_valid() && b_link->from_socket().enabled() &&
+          b_link->to_socket().enabled())) {
       continue;
     }
     /* get blender link data */