pan/bi: Emit Valhall texture instructions

Valhall uses an updated version fo the TEXC path. To avoid disrupting the
existing Bifrost code, add a new Valhall-specific texture path that generates
the new-style texture instructions.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15793>
1 file changed