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
2007/9/24, [EMAIL PROTECTED] <[EMAIL PROTECTED]>: > > I experienced similar result when I read the float data from the texture > using 32 bit, but only rendering to 32 bit shouldn't decrease the FR that > much. What card do u use and what interpolation do u set for the texture? (I > think u must use NEAREST with GL_RGBA32F_ARB). > > ----- Original Message ----- > *From:* Benoit bossavit <[EMAIL PROTECTED]> > *To:* OpenSceneGraph Users <[email protected]> > *Sent:* Monday, September 24, 2007 2:25 PM > *Subject:* [osg-users] HDR 32bit > > Hi all, > I'm trying HDRR. My application (osg v1.2) turn in real time (>60fps) > using FBO with texture 16bits (GL_RGBA16F_ARB), but when I try with FBO > 32bits(GL_RGBA32F_ARB) my frame rate is null. Is it normal loosing almost > all performances? :s > There is a minimal hardware configuration to do HDR32? There is something > to do more than change the internal format of texture attached with FBO? > If someone have an answer :) > > Thanks you > > bnua > > ------------------------------ > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >
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