That's odd. If you set it to use Display lists, it should override the settings on the database pager so that it only uses display lists, and not VBO's. Do you thing they are broken for the 945 too?
On Thursday 14 August 2008 02:53:44 pm Jason Beverage wrote: > hi David > > I set the environment variable to displaylists but still got a crash. > I believe this is due to the fact that I was zoomed all the way out on > the paged database which was still using vbo. > > Gotta love integrated graphics cards huh... > > Jason > > On 8/14/08, David Guthrie <[EMAIL PROTECTED]> wrote: > > Have you tried setting it to using display lists instead of vertex > > arrays? If > > they don't suit, then you may be able to figure out what card you are > > using, or make some sort of configuration check in an installer then set > > the environment variable? > > > > On Thursday 14 August 2008 10:42:42 am Jason Beverage wrote: > >> Hi all, > >> > >> I recently updated our product to use the --terrain flag in > >> VirtualPlanetBuilder to increase the speed of our database creation and > >> things are working wonderfully except for on the machines that have the > >> Intel 945GM chipset which are crashing. > >> > >> I've narrowed the problem down to the fact that the 945GM doesn't seem > >> to like using VBO, which is enabled in GeometryTechnique.cpp. If I > >> revert back to not using the --terrain option, which does not use VBO, > >> things work > >> just fine. Also, if I set the environment variable > >> OSG_DATABASE_PAGER_DRAWABLE=VertexArrays, things also work just fine. > >> > >> I would like to not have to revert back to not using the --terrain > >> option since the performance increases on machines that support VBO are > >> so substantial but I also don't want specific users to have to modify > >> the environment variable. > >> > >> In theory, we can know whether or not VBO is supported by the graphics > >> card > >> by using the State::isVertexBufferObjectSupported(), but the 945GM must > >> be incorrectly reporting that it does support VBO. > >> > >> Does anyone have any suggestions on what I should do in this situation? > >> > >> Thanks! > >> > >> Jason > > > > -- > > David Guthrie > > [EMAIL PROTECTED] > > Alion Science and Technology > > BMH Operation - A CMMI Maturity Level 3 Organization > > 5365 Robin Hood Road, Suite 100 > > Norfolk, VA 23513-2416 > > (757) 857-5670, ext 269, Fax (757) 857-6781 > > _______________________________________________ > > 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 -- David Guthrie [EMAIL PROTECTED] Alion Science and Technology BMH Operation - A CMMI Maturity Level 3 Organization 5365 Robin Hood Road, Suite 100 Norfolk, VA 23513-2416 (757) 857-5670, ext 269, Fax (757) 857-6781 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
