It sounds like a graphics driver problem of some sort. I have successfully run osg 2.2 on a 7800 just fine.
What OS are you using? If you are running Windows I would go to Nvidia site and try reinstalling your graphics drivers. I have seen driver installs get messed up. The shader you are using is extremely simple. If you are using Linux make sure you are using the restricted nvidia drivers, and reinstall the drivers if needed. Brian On Thu, Jan 31, 2008 at 8:17 AM, Roni Rosenzweig <[EMAIL PROTECTED]> wrote: > Hello > > I have a program which uses shaders in osg (using osg::Program of course). > It works perfect on GeForce 8800, but on GeForce 7800 the shaders don't work > at all. > I don't have an error message, and the image is not black, I just get the > same picture I would get without running shaders. > Even the simplest shader (gl_FragColor-vec4(1,0,0,1);) doesn't change > anything. > Any ideas? Maybe a driver issue? Maybe the card doesn't support the > shaders used in osg 2.2? > > Roni > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >
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