[jitter] gloop shader patch and binding a texture

i have trouble with the shader patch 'gn.gloop.jxs-help.maxpat' from the
'slab helpers folder'.  I get the error message:
jit.gl.shader: unable to bind GLSL uniform param: 'tex0'

I've tried adding a jit.gl.texture to the patc, prepending the data from the
matrix that arrives at the slab with jit_gl_texture,and using a jit.bfg to
initiate some data, but still nothing.  I see that the shader file has a
variable for a texture unit but am not sure how I should bind a texture to
the slab.

Actually, i've just been looking at some of the other gen.* shader files and
seem to have a problem with a few of them.  I suspect that this may be an
issue with  my graphics card.  I can't get the antialias shaders to work
(blend mode is enabled, if that makes a difference).  Also the spiderweb and
cross tile files don't work correctly.  Does anyone have any ideas?

i'm on a mac G4 powerbook OSX 10.4.11 with a radeon 9700 card.

pelado
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