The last changes to it are from 2008 and 2009. It doesn't support most texture formats and some texture targets. Nobody can possibly be using this.
2706448 gallium/u_gen_mipmap: remove the software fallback
src/gallium/auxiliary/util/u_gen_mipmap.c | 1162 +----------------------------
1 file changed, 2 insertions(+), 1160 deletions(-)
Upstream: cgit.freedesktop.org