[GEM-dev] AA with shader

Jack jack at rybn.org
Fri Jan 28 01:11:59 CET 2011


Thanx Chris and Cyrille, i will take a look on these two possibilities.
I have found this link :
http://people.csail.mit.edu/ericchan/articles/prefilter/
I will try later if i can understood.
++

Jack



Le jeudi 27 janvier 2011 à 17:59 +0100, cyrille henry a écrit :
> hello,
> 
> you can also try to render into a frambuffer with size 2n+1.
> rendering this texture should performe a simple AA.
> 
> c
> 
> Le 27/01/2011 14:03, chris clepper a écrit :
> > Jack
> >
> > You could try a shader that does edge detection and above a certain threshold apply a simple blur.  That should give some sort of AA.  A more complex version could adjust the blur based on how strong the edge is.
> >
> > Chris
> >
> > On Tue, Jan 25, 2011 at 6:34 PM, Jack <jack at rybn.org <mailto:jack at rybn.org>> wrote:
> >
> >     I know, this is not a specific GEM problem.
> >     I would like to get the render (started with only geos) from the
> >     [gemframebuffer] anti-aliased. And I was wondering if someone has worked
> >     on a shader to get this effect and if this person would like to share
> >     his shader or to help in development ?
> >     Thanx.
> >     ++
> >
> >     Jack
> >
> >
> >
> >
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