Hi Aron,
On 4/5/2011 10:56 AM, Aron Bierbaum wrote:
> I believe I have made a little bit of progress, but it doesn't make any sense.
> In both the shader.cpp and testSHLEarth_shaderprog.cpp examples if I change
> the
> sphere geometry to not use display lists things are rendered, but they don't
> appear to be rendered correctly. I am hoping that this may spark some ideas
> for
> other people.
I can't look at it right now, so I'm not sure if that's the problem, but when I
was working on ATI last they were very picky about aliasing between generic and
specific vertex attributes, so if the main code uses glTexcoord to pass the
parameters the shader cannot access it using glAttrib and vice versa. AFAIR at
some point we changed OpenSG to use the generic ones, but it's been a while. I
also think we added a flag to switch between the two, check out the Geometry
renderer. Try to change the shader to use the other kind and see if that helps.
I might be able to take a look later today, if you can't find it.
Yours
Dirk
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