Commit: f496a347000c26dcbe098781c4b2ca5d5b45da58
Author: Sergey Sharybin
Date: Fri Sep 2 15:15:42 2016 +0200
Branches: blender-v2.78-release
https://developer.blender.org/rBf496a347000c26dcbe098781c4b2ca5d5b45da58
Fix T49220: Vertex paint doesn't work with OpenSubdiv
It's a bit tricky to align vertex color data between Blender and OpenSubdiv
so for now we simply disable OpenSubdiv in the paint modes.
Safe for 2.78.
===================================================================
M source/blender/modifiers/intern/MOD_subsurf.c
===================================================================
diff --git a/source/blender/modifiers/intern/MOD_subsurf.c
b/source/blender/modifiers/intern/MOD_subsurf.c
index 23ab618..8711384 100644
--- a/source/blender/modifiers/intern/MOD_subsurf.c
+++ b/source/blender/modifiers/intern/MOD_subsurf.c
@@ -130,6 +130,9 @@ static DerivedMesh *applyModifier(ModifierData *md, Object
*ob,
if (U.opensubdiv_compute_type == USER_OPENSUBDIV_COMPUTE_NONE) {
modifier_setError(md, "OpenSubdiv is disabled in User
Preferences");
}
+ else if ((ob->mode & (OB_MODE_VERTEX_PAINT |
OB_MODE_WEIGHT_PAINT | OB_MODE_TEXTURE_PAINT)) != 0) {
+ modifier_setError(md, "OpenSubdiv is not supported in
paint modes");
+ }
else if ((DAG_get_eval_flags_for_object(md->scene, ob) &
DAG_EVAL_NEED_CPU) == 0) {
subsurf_flags |= SUBSURF_USE_GPU_BACKEND;
do_cddm_convert = false;
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