[PD] [GEM]: GL Shader Language

Kyle Klipowicz kyleklip at gmail.com
Sun Jun 17 12:00:51 CEST 2007


Ooop please send any elementary examples of these things. I got
confused by the Gem docs (they don't explain OpenGL as thoroughly as
the vanilla Pd-docs explain DSP).

~Kyle

On 6/17/07, cyrille henry <cyrille.henry at la-kitchen.fr> wrote:
> hello,
>
> Alexandre Quessy a écrit :
> > Hi all !
> > The Toon.vert and Toon.frag shaders don't seem to work quite well
> > here. I only get some kind of darker or lighter grey depending on the
> > value of the "Phong" variable I set it to have. I am using Pd-extended
> > 0.39-2 test 5 on Ubuntu Linux Intel. Gem is 0.91-cvs compiled on Mar
> > 16 2007. Should I generate something any better ?
> this is exactly what the toon shader is aiming to do.
> look at it's code to undersant why.
>
> >
> > Anyone has an other GLSL shader to suggest to try it with ?
>
> yes, google has a lot.
>
> i have a few other exemple on my computer, tell me if you're looking for some specific stuf.
>
>
> cyrille
>
>
> >
> > Thanks !!
> >
> > a
> >
> > 2007/6/16, chris clepper <cgclepper at gmail.com>:
> >> GEM is a bit easier to deal with for shaders since there is no need to do
> >> any specific wrapper.  Any ARB_ vertex or fragment shader and any GLSL
> >> shader you find on the web can work in GEM without modification.  In some
> >> cases you might need to change something in the shader text to deal with
> >> rectangle vs 2D textures.
> >>
> >>
> >> On 6/16/07, Cypod <cypod25 at gmail.com> wrote:
> >>>
> >>> On the cycling74 webpage there is an interesting article about writing
> >> shaders for jitter:
> >>>   http://cycling74.com/story/2007/5/23/181113/507
> >>>
> >>>
> >>>
> >>>
> >>> is there a similar function available for GEM? Has anyone had experience
> >> with doing this?
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>
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