[PD] [GEM]: GL Shader Language

[cyrille henry]

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