[GEM-dev] blur

cyrille henry ch at chnry.net
Sat Oct 29 15:41:35 CEST 2011


sorry for the missing abstraction.
c

Le 29/10/2011 13:03, cyrille henry a écrit :
> hello,
>
> I made a triangle blur patch, based on Guido fastblur patch.
>
> the fastblur patch did make some approximation that give very bad result with very thin primitive (try with a vertical line by example).
>
> this triangle blur did not make this approximation, so it need 14 rendering pass to have about the same max blur amount than the 10 pass fastblur.
> but quality is better, and you can easily adjut the pass number in order to set the maximum blurring.
> you can also tweak this triangle blur patch to make the same kind of approximation, for reducing pass number but loosing quality.
>
> anyway, this patch did not need to resize frambuffer, so it's more realtime friendy.
>
> lot's of work need to be done in order to be generic, but it's a good start...
>
> Cyrille
>
>
>
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