Cycles: Fix crash when empty mesh has subdivision
OpenSubdiv doesn't like empty meshes, so we need to be careful not to subdivide when the mesh is empty.
This commit is contained in:
@@ -299,7 +299,9 @@ void Mesh::tessellate(DiagSplit *split)
|
||||
bool need_packed_patch_table = false;
|
||||
|
||||
if(subdivision_type == SUBDIVISION_CATMULL_CLARK) {
|
||||
osd_data.build_from_mesh(this);
|
||||
if(subd_faces.size()) {
|
||||
osd_data.build_from_mesh(this);
|
||||
}
|
||||
}
|
||||
else
|
||||
#endif
|
||||
@@ -468,7 +470,7 @@ void Mesh::tessellate(DiagSplit *split)
|
||||
/* keep subdivision for corner attributes disabled for now */
|
||||
attr.flags &= ~ATTR_SUBDIVIDED;
|
||||
}
|
||||
else {
|
||||
else if(subd_faces.size()) {
|
||||
osd_data.subdivide_attribute(attr);
|
||||
|
||||
need_packed_patch_table = true;
|
||||
|
Reference in New Issue
Block a user