I would also love the solution to this. @zezba9000 , I think that it may be more complicated than either of us are prepared for. There are options for “hull” and “domain” pragmas, which I know are part of the tessellation pipeline:
There’s also this forum thread where they discuss vert-frag tessellation, but don’t get to a solution:
I’m looking into it now, I’ll see what I can figure out this coming week.