8a8742d327
for fragment programs we already treat fog as a single component value, but for vp we didn't. Fixes fog related piglit tests with my out of tree Nouveau nir patches. Signed-off-by: Karol Herbst <kherbst@redhat.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Eric Anholt <eric@anholt.net>