Re: [Fwd: Texture minification filter PF_ vs GL_]

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Phil Keslin (philk++at++cthulhu.engr.sgi.com)
Wed, 21 Oct 1998 14:51:47 -0700

Scott Herod wrote:
>
> Also, could someone familiar with the details comment on
> the relationship between performer's PFTEX_CLAMP (with or
> without borders) and OpenGL's GL_CLAMP vs. GL_CLAMP_TO_BORDER_SGIS vs.
> GL_CLAMP_TO_EDGE_SGIS?

If PFTEX_CLAMP is set and the hardware supports the
SGIS_texture_edge_clamp extension, Performer uses CLAMP_TO_EDGE_SGIS
instead of CLAMP. It doesn't look as if CLAMP_TO_BORDER_SGIS is ever
used.

- Phil

-- 
Phil Keslin <philk++at++engr.sgi.com>

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