I had to dig out the ATI card in the process of solving a problem for another customer, and I'm sad to report that the readback performance on the V5700 is not good. About 100 Mpixels/sec was the best I could get, and using PBO's (which generally make things faster on nVidia hardware) dropped performance by about 1/3.
I'm a little confused about driver revisions. The only one it presented to me was 8.734 when I went to download the latest & greatest for the V5700. On 2/23/10 2:29 AM, Pierre Ossman wrote: > I've gotten some activity on ati.cchtml.com and they are pointing at > consumer hardware being useless at glReadPixels() and that I should get > a workstation card. > > Those things aren't exactly cheap though, so I was hoping someone here > with a workstation card could do a test and see if it solves the > performance issue. Darrell, perhaps you can dig out that V5700? > > Secondly, the 9.9 driver works somewhat well here, but the 9.12 > doesn't. This difference is not reflected in the glreadtest numbers. Is > there some other test that might pinpoint why 9.9 is working better > with VirtualGL? > > Rgds ------------------------------------------------------------------------------ ThinkGeek and WIRED's GeekDad team up for the Ultimate GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the lucky parental unit. See the prize list and enter to win: http://p.sf.net/sfu/thinkgeek-promo _______________________________________________ VirtualGL-Users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/virtualgl-users
