[Bf-blender-cvs] [19bddbf] master: Fix T40079: cycles crash with objects that have hair motion blur, but no triangle motion.
Brecht Van Lommel
noreply at git.blender.org
Thu May 8 15:29:24 CEST 2014
Commit: 19bddbfc54110b55ead9b538d9958842cca6d98e
Author: Brecht Van Lommel
Date: Thu May 8 15:25:16 2014 +0200
https://developer.blender.org/rB19bddbfc54110b55ead9b538d9958842cca6d98e
Fix T40079: cycles crash with objects that have hair motion blur, but no triangle motion.
===================================================================
M intern/cycles/render/mesh.cpp
===================================================================
diff --git a/intern/cycles/render/mesh.cpp b/intern/cycles/render/mesh.cpp
index 9607892..9c5ddd5 100644
--- a/intern/cycles/render/mesh.cpp
+++ b/intern/cycles/render/mesh.cpp
@@ -346,7 +346,7 @@ void Mesh::add_vertex_normals()
Attribute *attr_mP = attributes.find(ATTR_STD_MOTION_VERTEX_POSITION);
Attribute *attr_mN = attributes.find(ATTR_STD_MOTION_VERTEX_NORMAL);
- if(has_motion_blur() && !attr_mN) {
+ if(has_motion_blur() && attr_mP && !attr_mN) {
/* create attribute */
attr_mN = attributes.add(ATTR_STD_MOTION_VERTEX_NORMAL);
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