[PD] [GEM]: GL Shader Language

[jack at rybn.org]

Sorry Alexandre, in fact, it was very easy under MacOSX (and GNU/Linux i
think) with Terminal :
cd pdmtl
bash ./SETUP-pdrc.sh

that's all !

Jack

> Hello Alexandre !
> i can't use pdmtl because i change the pd-entended.
> Can you tell me how to install it.
> I just put in "doc" directory, the "pdmtl" directory.
> thx
>
> Jack
>
>> Eh Jack !
>> Very nice examples, yes. Cyrille, do you think that one should
>> understand C programming in order to use Pd? I don't. Of course, its
>> low-level orientation makes it perfect for someone to learn lower
>> level stuff.
>>
>> Anyways, I added an abstraction for shaders in the PdMtlAbstractions.
>> See https://devel.goto10.org/pdmtl/browser/trunk/pdmtl/gems
>>
>> a
>>
>>
>> 2007/6/19, jack at rybn.org <jack at rybn.org>:
>>> Yep, very interesting example !
>>> You can "boost" Gem with glsl object.
>>> Is there workshop in Paris about that Cyrille ?
>>> I think, that it would be interesting to do.
>>>
>>> Jack
>>>
>>> >
>>> >
>>> > Hans-Christoph Steiner a écrit :
>>> >>
>>> >> On Jun 17, 2007, at 6:58 AM, cyrille henry 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
>>> >>
>>> >> Wow, these are some nice examples, these should be included in the
>>> >> "examples" section of Pd-extended.
>>> >>
>>> >
>>> > well, i think i should clean up some code and check licence for the
>>> shader
>>> > i did not write.
>>> > where should i put them in order to include them in pd-extended?
>>> >
>>> > cyrille
>>> >
>>> >> .hc
>>> >>
>>> >>>
>>> >>>
>>> >>>> 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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>>> >>>>
>>> >>>>
>>> >>>
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>>> >>
>>> >>
>>> >>
>>> >> ----------------------------------------------------------------------------
>>> >>
>>> >>
>>> >>                                               http://at.or.at/hans/
>>> >>
>>> >>
>>> >>
>>> >>
>>> >
>>> > _______________________________________________
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>>> >
>>>
>>>
>>
>>
>> --
>> Alexandre Quessy
>> http://alexandre.quessy.net
>> http://www.puredata.info/Members/aalex
>>
>
>