[PD] GEM: writing an arbitrary blend function (glsl)?

Matteo Sisti Sette matteosistisette at gmail.com
Sat Dec 26 21:15:05 CET 2009

vade escribió:
> I would highly suggest doing a render to texture so you can post process 
> your scene or mix with multi-textures. You can also do fun things

Sure, it's a pity that I haven't done it like that from the beginning, 
but now, the patch is pretty complex (and already has a few 
gemframebuffers) and that would represent a serious re-patching.

> As for difference, Im pretty sure you *can* do that blend mode,

Yeah, I only need the most basic blend modes for this application, and 
indeed the only one I haven't found how to achieve is the so-called 
"difference" (i.e. abs(source-dest)) and I almost can't believe I can't 
do it without rendering to textures.

Matteo Sisti Sette
matteosistisette at gmail.com

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