diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mesh_validate.c')
| -rw-r--r-- | source/blender/blenkernel/intern/mesh_validate.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/source/blender/blenkernel/intern/mesh_validate.c b/source/blender/blenkernel/intern/mesh_validate.c index 3343d41b13c..f64ed609d18 100644 --- a/source/blender/blenkernel/intern/mesh_validate.c +++ b/source/blender/blenkernel/intern/mesh_validate.c @@ -1593,8 +1593,15 @@ void BKE_mesh_calc_edges(Mesh *mesh, bool update, const bool select) MLoop *l_prev = (l + (mp->totloop - 1)); int j; for (j = 0; j < mp->totloop; j++, l++) { - /* lookup hashed edge index */ - med_index = POINTER_AS_INT(BLI_edgehash_lookup(eh, l_prev->v, l->v)); + /* Lookup hashed edge index, if it's valid. */ + if (l_prev->v != l->v) { + med_index = POINTER_AS_INT(BLI_edgehash_lookup(eh, l_prev->v, l->v)); + } + else { + /* This is an invalid edge; normally this does not happen in Blender, but it can be part + * of an imported mesh with invalid geometry. See T76514. */ + med_index = 0; + } l_prev->e = med_index; l_prev = l; } |