[Plib-devel] Clip Texture (Was: PLIB developers needed.)

[Steve B. <sjb...@ai...>]

Gil Carter wrote:

> To get it from SGI themselves:
> 
> "IRIS Performer on InfiniteReality® allows you to create textures that are
> much bigger than will fit in texture memory and even in system memory, so
> that you can fit your entire world in a single texture. IRIS Performer will
> also manage all of the texture loading for you from disk to system memory
> and then to texture memory, based on your current position in the database.
> IRIS Performer provides for virtual memory for very large Mip-mapped
> textures by only storing potentially visible texels in system and texture
> memory. Efficient management of texture memory is made possible by special
> capabilities of the InfiniteReality texturing hardware. This general
> technique is called clipmapping and is the subject of the rest of this paper"
> 
> The paper which they're referring to is at
> http://www.sgi.com/software/performer/presentations/clipmap_intro.pdf

This is about how Performer *uses* Clipmapping - the underlying OpenGL
extension doesn't do file I/O and such like - that's purely a Performer
thing.

-- 
Steve Baker   HomeEmail: <sjb...@ai...>
              WorkEmail: <sj...@li...>
              HomePage : http://web2.airmail.net/sjbaker1
              Projects : http://plib.sourceforge.net
                         http://tuxaqfh.sourceforge.net
                         http://tuxkart.sourceforge.net
                         http://prettypoly.sourceforge.net