> I took HAVE_LIBXV off from config.h to make opengl work, just "-noxv"
> arg in command line wasn't enought.
>
> Sorry but I'm new in OpenGL, could you help me answering why does
> GL_EXTENSIONS return NULL in my system? would it be a lack of my
> GeForceMX400? I don't think so, I rather think I made a mistake
> somewhere.

> > >  I am looking for some information about how to use OpenGL to render a
> > >  scene with frames grabbed using v4l as texture with a acceptable capture
> > >  rate.

I'm not sure what the problem is.  I use OpenGL in my capture program, in
particular glPixelZoom and glDrawPixels.  I included the following:

#include <GL/gl.h>
#include <GL/glx.h>
#include <X11/Xlib.h>

My load options include the following:

-lGL -L/usr/X11R6/lib -lX11

One other thing that might be relevant.  My XF86Config-4 file includes

        Load "glx"

but I commented out

        # Load "GLcore"

This was due to comments I found on the nvidia web page (for my graphics
card).

Best regards,
Stephen

P.S.  Does GLPixelZoom use hardware acceleration, or would I do better
with the texture-mapping idea?




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