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
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