[PD] [GEM]: GL Shader Language

[Hans-Christoph Steiner]

On Jun 27, 2007, at 1:57 AM, chris clepper wrote:

> On 6/26/07, cyrille henry <cyrille.henry at la-kitchen.fr> wrote:
> Cypod a écrit :
> > What books or webpages are out there for learning how to write glsl
> > shaders, for use in 3D?
> >
> > http://en.wikibooks.org/wiki/Programming:OpenGL
>
> http://www.glprogramming.com/red/
>
> The online free versions are many revisions behind.   That is only  
> version 1.1 of GL which does not cover shaders.  It is still a good  
> reference for basic GL though.
>
> > Are there any third party applications for writing glsl shaders that
> > can be easially ported over to PD?
> you don't need anything more than a text editor to write a shader.
>
> There are apps like ShaderBuilder on OSX and ATI's RenderMonkey  
> (awful name), but GEM is more flexible.  You can modify Cyrille's  
> patches to use pix_movie or a variety of geometry.  Write the  
> shader in the text editor and reload it in GEM to see the update.   
> You will even get error codes in the Pd console if you do something  
> wrong.

Do you know of any example patches for varying geometries using  
shaders in Gem? I'd like to see that kind of stuff.

.hc

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