Anthony D. Baye <Sha### [at] spamnomorehotmailcom> wrote:
> why not simply add a shader option to the texture block, and use something like
> OSL for the shader language?

> http://code.google.com/p/openshadinglanguage/

The "shader" language would need to be able to do a lot more than just
get some values and input and return a color.

For example, it ought to be possible for it to say "shoot a ray starting
from this point towards this direction, and gimme all the info about
the object that the ray hits". (This kind of functionality could be
used, for instance, to create a "portal" shader. In other words, a
surface that shows a completely different part of the scene, as if
the suface were a "portal". Rather than this being a hardcoded feature,
the user ought to easily write such functionality as a "shader". As
such, it's then easy to create a myriad of variants with little effort.)

-- 
                                                          - Warp

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