Hi Peter,
The scaling is done with glu and it probably doesn't support the all
new float formats so this may well be the issue.
Have you been able to correct your texture dimensions and get it working?
Robert.
On Tue, Jan 12, 2010 at 8:51 AM, Peter Wraae Marino <osgh...@gmail.com> wrote:
> Hi osgUsers,
>
> followup:
>
> been debugging the texturecubemap because it seems like it was the sinner.
> my debugging has brought forth that the texture given must be squared
> for cube-maps
> .. i did not know that.. the texturecubemap does some rescaling and when it
> does
> this it destroys all hdr values. Apparently the rescalling the
> texturecubemap uses
> can't handle textures with floats.
>
> is this correct?
>
> Peter Wraae Marino
>
> On Fri, Jan 8, 2010 at 2:22 PM, Peter Wraae Marino <osgh...@gmail.com> wrote:
>> Hi osgUsers,
>>
>> I've been doing some testing on HDR with a backdrop with a .hdr image
>> using osg::Texture2D for the backdrop works great.. really nice HDR effects.
>>
>> using osg::TextureCubeMap results with textures loosing values over 1.0
>> and resulting with a rainbow effect of colors in those areas
>>
>> in short:
>>
>> this doesn't work:
>> osg::TextureCubeMap* texture = new osg::TextureCubeMap;
>> osg::Image* pImage = osgDB::readImageFile("vinesunset.hdr");
>>
>> texture->setInternalFormat( GL_RGB16F_ARB );
>> texture->setResizeNonPowerOfTwoHint(false);
>>
>> texture->setImage( 0, pImage );
>> texture->setImage( 1, pImage );
>> texture->setImage( 2, pImage );
>> texture->setImage( 3, pImage );
>> texture->setImage( 4, pImage );
>> texture->setImage( 5, pImage );
>>
>> this works:
>> osg::ref_ptr<osg::Texture2D> texture = new osg::Texture2D(
>> osgDB::readImageFile("vinesunset.hdr") );
>> texture->setInternalFormat( GL_RGB16F_ARB );
>> texture->setResizeNonPowerOfTwoHint(false);
>>
>> texture->setImage( pImage );
>>
>> can anyone spot what I'm missing?
>>
>> --
>> Regards,
>> Peter Wraae Marino
>>
>> www.osghelp.com - OpenSceneGraph support site
>>
>
>
>
> --
> Regards,
> Peter Wraae Marino
>
> www.osghelp.com - OpenSceneGraph support site
> _______________________________________________
> osg-users mailing list
> osg-users@lists.openscenegraph.org
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>
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