2b9738ce6d
When this pass is used with Zink, gl_PrimitiveID needs to be passed
through, however this is unnecessary for other divers.
Analogous to previous commit
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Fixes: d0342e28b3 ("nir: Add helper to create passthrough GS shader")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32397>