Have you tried using IRC to ask the devs what would be required to add S3TC?
http://dri.freedesktop.org/wiki/IRC
I think that's probably the most direct way to get in touch.
Have you tried using IRC to ask the devs what would be required to add S3TC?
http://dri.freedesktop.org/wiki/IRC
I think that's probably the most direct way to get in touch.