Quoting Timothy Murphy (tim at birdsnest.maths.tcd.ie):
> I've only seen a proprietary driver for the ATI Radeon series ...
1. Support issue is 3D-only.
2. Affects only r300-based cards. (Includes variants like RV350,
R350, RV360, R360.)
Comprehensive explanation, and rundown on individual cards' 3D support:
http://dri.sourceforge.net/cgi-bin/moin.cgi/ATIRadeon
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