[osg-users] MipMap

Robert Osfield robert.osfield at gmail.com
Tue Sep 4 07:46:27 PDT 2007

On 9/4/07, Claudio Arduino <hard1880 at gmail.com> wrote:
> hi to all,
> i need help for know if Osg support MipMap and if yes how i can set the
> distance to switch the different quality of texture....

Yes the OSG supports mipmapping - it'll use ones your define in an
osg::Image (such as one loaded from dds with mipmaps) or create them
automatically using gluMipMaps or the hardware mipmap extension.

OpenGL itself determines which mipmap levels to use.  There is a
Texture LOD bias extensions to OpenGL that tweaks the OpenGL
computation of the mipmaps, but the core OSG doesn't have support for
this.  It could be added easily via a custom StateAttribute.


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