Commit: 7587e82c288e46ef257e1de12cb0952ad234abff
Author: Sergey Sharybin
Date: Wed Jul 2 13:59:49 2014 +0600
https://developer.blender.org/rB7587e82c288e46ef257e1de12cb0952ad234abff
Fix T40364: Texture images are not properly displayed in the material preview
in BI when using SSS
Blender Internal only uses materials with non-zero user counter for SSS and new
mutable libblock copy was keeping users counter at zero.
Now it sets user counter to 1, which is a bit of arguable decision, but which
also kind of makes sense -- meaning callee owns the copied block.
===================================================================
M source/blender/blenkernel/intern/library.c
===================================================================
diff --git a/source/blender/blenkernel/intern/library.c
b/source/blender/blenkernel/intern/library.c
index c8173ae..1f3327b 100644
--- a/source/blender/blenkernel/intern/library.c
+++ b/source/blender/blenkernel/intern/library.c
@@ -829,6 +829,7 @@ void *BKE_libblock_copy_nolib(ID *id, const bool do_action)
id->newid = idn;
idn->flag |= LIB_NEW;
+ idn->us = 1;
BKE_libblock_copy_data(idn, id, do_action);
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