Now, my problem is that when I set gluNurbsProperty and enable the gluNurbsCallback, the patch won’t render. I still get the vertices dumped to the output, but I don’t see the patch. If I comment out the property and callback, it will render.
This is not a problem. this is the normal behavior when you enable the tessellator.
Thank you. I guess I’ll render quads (or tris?) from the data I got.