GL_ARB_texture_compression - which driver?

[Dexter Filmore]

> 
> mesa cvs had support for compressed textures on radeon, r200, and i8xx
> chips.  Due to licensing issues and what exactly you are tying to do,
> you may or may not need the external compression lib.  There is no
> open 3d support for r300 chips (such as yours) as of yet.

So, am I stuck with R300 altogether or would said external compression lib
provide the needed tc/s3tc?
If so, where do I get that lib?
I installed a lib called libtxc_dxtn, is that it? (in which cae I did
something wrong since Gimp still complains)

Dex