due to my bad preparation for todays irc-meetup, here’s what i pointed to:
i tried to adopt shaders from 3rd party tools earlier and ran into problems i couldn’t solve. the reason was, that those shaders where multipass-shaders (as i learned now) whom are not supported by now.
a multipass shader can use data (textures) from an earlier pass in each pass.
my example:
- process vertex-shader
- do phong shading
- blur only light areas
better examples:
http://iloveshaders.blogspot.de/2011/04/multipass-lighting.html
so, the question is, if there’s any strategy to achieve that technique?
some pros and cons:
-+ awesome sophisticated shading :)
-+ use of 3rd-party (visual) shader editors
-= do YOU need/want this?
– complex coding stuff
– there might be a (complex) reason why it’s not supported
while searching for this topic, i found this thread: https://discourse.vvvv.org/t/5103 and, of course, things are more complicated than they seem to be
that’s it for now…