[osg-users] RRT with HDR texture

Benoit bossavit bnuaster at gmail.com
Wed Sep 12 07:29:01 PDT 2007


thanks for your answer but I have tried and this is don't work :s
have you other suggestion? I'm surprise that don't work !!!

thanks you

bnua

2007/9/12, Art Tevs <stud_info2 at yahoo.de>:
>
> Try to use GL_LUMINANCE16F_ARB (and source format
> GL_LUMINANCE) instead of GL_INTENSITY16F_ARB.
>
> Art
>
> --- Benoit bossavit <bnuaster at gmail.com> schrieb:
>
> > Hi all,
> >
> > I want to do RTT with HDR saving only one component
> > (GL_LUMINANCE or
> > GL_INTENSITY)
> > There is my code :
> >
> >
> myHDRTexture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR);
> >
> myHDRTexture->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR);
> >
> myHDRTexture->setInternalFormat(GL_INTENSITY16F_ARB);
> > myHDRTexture->setSourceFormat(GL_INTENSITY);
> > myHDRTexture->setSourceType(GL_FLOAT);
> >
> >
>
> myCameraHDR->setRenderTargetImplementation(osg::CameraNode::FRAME_BUFFER_OBJECT);
> >
> myCameraHDR->setRenderOrder(osg::CameraNode::PRE_RENDER);
> >
> myCameraHDR->attach(osg::CameraNode::COLOR_BUFFER,myRenderHDRTexture);
> >
> > when I look values on my texture they are clamped at
> > 1 and if I put :
> > myHDRTexture->setInternalFormat(GL_RGBA16F_ARB);
> > myHDRTexture->setSourceFormat(GL_RBA);
> >
> > my texture contains values upper than 1
> >
> > Someone have an idea? (I don't need saving three
> > component because they are
> > the same)
> >
> > thanks in advance
> >
> > bnua
> > > _______________________________________________
> > osg-users mailing list
> > osg-users at lists.openscenegraph.org
> >
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
> >
>
>
>
>       __________________________________
> Kennt man wirklich jeden über 3 Ecken? Die Antworten gibt's bei Yahoo!
> Clever. www.yahoo.de/clever
> _______________________________________________
> osg-users mailing list
> osg-users at lists.openscenegraph.org
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openscenegraph.org/pipermail/osg-users-openscenegraph.org/attachments/20070912/a8746acb/attachment-0003.htm>


More information about the osg-users mailing list