On Thu, 30 Nov 2006, Roland Scheidegger wrote: > malc wrote: >> On an unrelated subject, i don't quite know what to make out of PBO >> support in R200 drivers, so far all the tests i have performed didn't >> indicate that PBO is a win for either of the texture formats. Is this >> really the case? >> >> I'm wondering because on my other machine with NV15 and binary nvidias >> drivers PBO does make a world of a difference for GL_RGBA8/GL_BGRA. > The r200 driver doesn't support ARB_pbo. This needs the texmem / ttm work > Thomas has commited recently, but the only (open source) dri driver currently > supporting it is i915. There's a whole bunch of stuff which would get faster > a lot when the driver is adapted (like CopyTexSubImage which is really needed > for doom3:roe).
Aha. It would be interesting to see how things turn out when/if the support will be added for r200, my particular case is basically all about the speed of sub image (although tex not copytex). -- vale ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Mesa3d-dev mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mesa3d-dev
