Nicolai Hähnle wrote: > Am Donnerstag 07 August 2008 09:25:32 schrieb Alexander Sabourenkov: >> I am trying to understand why Google Sketchup running under wine works >> ok (white drawing area background, points, lines and other stuff is >> visible) when DRI is disabled in xorg driver section (radeon and intel >> drivers), but not (black drawing area) when it's enabled there. >> Disabling 3d accel in dricorf (no_rast=true) makes no difference. >> >> Tested Mesa versions: >> 7.0.3~rc2-1ubuntu3 >> 7.1.0~git20080728 >> >> It also works with nvidia proprietary driver. > > When you disable DRI, no hardware acceleration is used at all. So this pretty > much points to a bug in the hardware 3D drivers. Did I understand correctly > that both Intel and Radeon have the same bug? That's interesting.
Bug, or difference in behavior unaccounted for, or something not implemented yet. That was my conclusion too. I find it strange that disabling 3d acceleration via driconf is not enough. My other box, the one with 7.0.3~rc2, shows black, black with corrupted top - when DRI is disabled in xorg.conf, or black-white corrupted stripes screens - with DRI enabled. > What Radeon hardware did you test with? What Intel hardware did you test > with? pcie x1950pro, agp x1650pro - my computers 915GM/GMS/910GML - results from thread at wine appdb > I assume that you've made sure that other 3D applications work? x1650pro does not have recent enough driver+mesa to have hw-accelerated 3d. x1950pro runs compiz ok, nquake ok. >> Can anyone give some hints where and what to look for? > > Unfortunately, I'm a bit at a loss here. A completely black drawing area on > *both* Intel and Radeon suggests that the problem may be somewhere in the > code that is pretty common between drivers - the stuff that sets up visuals, > calculates cliprects, etc. > > The real question is: What difference is there between Google Sketchup and > other 3D applications? > Sketchup not being a game, only thing that comes to mind is some GL feature never or rarely used in games like line stipple. However I don't know GL enough to list more that one such feature off the top of my head :(. Thanks for the insights. ./lxnt ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Mesa3d-dev mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mesa3d-dev
