diff options
Diffstat (limited to 'source/blender/blenkernel/intern/DerivedMesh.c')
| -rw-r--r-- | source/blender/blenkernel/intern/DerivedMesh.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/DerivedMesh.c b/source/blender/blenkernel/intern/DerivedMesh.c index 6c3c7581161..99629a2e27b 100644 --- a/source/blender/blenkernel/intern/DerivedMesh.c +++ b/source/blender/blenkernel/intern/DerivedMesh.c @@ -1699,6 +1699,19 @@ static void mesh_calc_modifiers(Scene *scene, Object *ob, float (*inputVertexCos /* Need to watch this, it can cause issues, see bug [#29338] */ /* take care with this block, we really need testing frameworks */ /* --------------------------------------------------------------------- */ + + + /* without this, drawing ngon tri's faces will show ugly tessellated face + * normals and will also have to calculate normals on the fly, try avoid + * this where possible since calculating polygon normals isn't fast, + * note that this isn't a problem for subsurf (only quads) or editmode + * which deals with drawing differently. + * + * Never calc vertex normals because other code ensures these are up to date. + */ + if ((finaldm->type == DM_TYPE_CDDM) && (CustomData_has_layer(&finaldm->faceData, CD_NORMAL) == FALSE)) { + CDDM_calc_normals_mapping_ex(finaldm, TRUE); + } } |