a35cfa77f6
This was only used when the FS needs the viewport index if it's not exported by the previous stage. Though, this is actually useless because the driver will emit 0 for the PS input in this case. Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com> Reviewed-by: Timur Kristóf <timur.kristof@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13061>