st_setup_current(st, vp, vp_variant, velements, vbuffer, &num_vbuffers);
/* Set the array into cso */
- num_velements = vp_variant->num_inputs;
+ num_velements = vp->num_inputs + vp_variant->key.passthrough_edgeflags;
set_vertex_attribs(st, vbuffer, num_vbuffers, velements, num_velements);
/* Unreference uploaded buffer resources. */