[PD] [GEM]: GL Shader Language

[cyrille henry]

jack at rybn.org a écrit :
> Yep, very interesting example !
> You can "boost" Gem with glsl object.
> Is there workshop in Paris about that Cyrille ?
not yet, but i think i'll contact the CRAS in september in order to make a Gem workshop.

in this list, who would be interested in a Gem workshop in paris?
a glsl workshop?


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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>>>
>>> ----------------------------------------------------------------------------
>>>
>>>
>>>                                               http://at.or.at/hans/
>>>
>>>
>>>
>>>
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> 
> 
>