Roland Scheidegger wrote:
Slightly OT, but here's an article which compares the dri drivers, ATI's binary driver and the driver from XiG Summit on a 9000pro:
http://homepage.hispeed.ch/rscheidegger/atilinux/ati_linux_comp.html
Have you tried comparing the performance between dri / windows with something like rage tweak to disable the hyperz stuff in the windows driver?
As already stated in the article, disabling hyperz did not work. After some quick grepping over the driver files I believe ATI made it impossible to disable hyperz at around june 2002 (the disablehyperz string constant is no longer present in the ogl driver file, though it still is in the d3d driver file), i.e. before the driver supported the rv250 based cards. Though this theory could be really wrong, but the fact remains disabling hyperz just didn't work in both W98SE and W2k...
I agree that the numbers would be interesting, but OTOH it's clear the performance of the dri drivers would still be slower - especially in the specviewperf area where hyperz likely doesn't change performance too much (as it's probably vertex bound) - in fact I doubt xig summit supports hyperz, but they're still faster.
Roland
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