Hi Bob, This sounds like an OpenGL driver bug, especially as lower capability hardware is working just fine. Try updating the driver version, or perhaps even moving it back. Also try out other OS's and machines to see if they behavior crops up again.
Robert. On Nov 26, 2007 10:41 PM, Robert Balfour <[EMAIL PROTECTED]> wrote: > In a large cityscape of loaded .osg/ive high-rise textured building > models (LOD, not PagedLOD), initially everything looks great flying in > and out around all the buildings, then sometimes after a while some of > the building texture faces turn white. I know that invalid/incomplete > GL textures will be rendered white, but initially all the textures > looked perfect. > > If the textures got paged out by the graphics pipe, I would expect to > see a slight rendering delay when they get paged back in, but not turn > white. But even more confusing is that on a single CPU WinXP laptop > (2yrs old) with Nvidia(256MB videomem) it runs fine - no white textures; > but on a brand new WinXP quad-cpu (not threaded - so we're only using 1 > of them) with the latest Nvidia(768MB videomem) the white textures > problem seems to be getting worse (more frequent) over time! > > Could the inconsistancy across various platforms be pointing to a GL > driver issue (i.e. different versions), or is there something is OSG > that I can be looking at to fix this, or at least isolate what the > problem could be? > > Thank you. > > Bob. > -- > Robert E. Balfour, Ph.D. > Exec. V.P. & CTO, BALFOUR Technologies LLC > 960 South Broadway, Suite 108, Hicksville NY 11801 > Phone: (516)513-0030 Fax: (516)513-0027 email: [EMAIL PROTECTED] > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
