[osg-users] HDR 32bit

Benoit bossavit bnuaster at gmail.com
Mon Sep 24 08:43:04 PDT 2007


What do you mean with screen-sized hdr?
If I have the same resolution? I have a fixed resolution if it is the
question... :s

thanks for your answer


2007/9/24, Joachim E. Vollrath <vollrath at vis.uni-stuttgart.de>:
>
> Hello,
>
> actually, your 6800 shouldn't be able to do linear interpolation on 32
> bit floats textures... I think the cards from the GeForce 8 series were
> the first to do interpolation on 32 bit floats.
>
> If you're doing screen-sized hdr you won't need interpolation anyway.
>
> Have you got an up-to-date driver?
>
> Regards,
> Joachim
>
>
> > I'm using a GeForce 6800, and I used a linear interpolation.. but I have
> > tried with a nearest interpolation and the result is the same :s
> >
>
>
> --
> Joachim E. Vollrath
> University of Stuttgart
> Institute for Visualization and Interactive Systems (VIS)
> web:   http://www.vis.uni-stuttgart.de/~vollrajm/
> mail:  vollrath at vis.uni-stuttgart.de
> phone: 49.711.7816.403
> fax:   49.711.7816.340
>
> german postal address:
> Dipl. Inf. Joachim E. Vollrath
> Universitaet Stuttgart, Institutsverbund Informatik
> Institut fuer Visualisierung und Interaktive Systeme
> Universitaetstrasse 38
> 70569 Stuttgart
> GERMANY
>
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