[PD] [GEM]: GL Shader Language

[Cypod]

These are really cool examples, thanks for sending them. They all
worked for me, except the fractal one was all black and there was a
uniform float maxIterations; error

On 6/17/07, cyrille henry <cyrille.henry at la-kitchen.fr> wrote:
> hello,
>
>
> Kyle Klipowicz a écrit :
> > Ooop please send any elementary examples of these things.
>
>
> i post a few very diferents shader and the pd patch to use them here :
>
> http://drpichon.free.fr/gem_glsl_ch_200070617.zip
>
>
> > I got
> > confused by the Gem docs (they don't explain OpenGL as thoroughly as
> > the vanilla Pd-docs explain DSP).
>
> Gem doc aim is to explain gem specific stuf. but in order to use Gem, you also need a good openGL book.
> (you can find lot's of them)
>
> cyrille
>
>
> >
> > ~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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> >
> >
>
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