Re: Texture minification filter PF_ vs GL_

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Phil Keslin (philk++at++cthulhu.engr.sgi.com)
Wed, 21 Oct 1998 23:26:58 -0700

Jean-Luc Dery wrote:
>
> Hi folks,
>
> I'm having a hard time figuring out the mipmapping token equivalents of OpenGL
> within Performer. Basically, OGL provides the following tokens for the texture
> minification filtering:
>
> GL_NEAREST PF_POINT
PFTEX_POINT

> GL_LINEAR PF_LINEAR
PFTEX_LINEAR

> GL_NEAREST_MIPMAP_NEAREST PF_???
PFTEX_MIPMAP_POINT

> GL_LINEAR_MIPMAP_NEAREST PF_???
PFTEX_MIPMAP_BILINEAR

> GL_NEAREST_MIPMAP_LINEAR PF_???
PFTEX_MIPMAP_LINEAR

> GL_LINEAR_MIPMAP_LINEAR PF_???
PFTEX_MIPMAP_TRILINEAR

> Which would be the equivalents in Performer ???
>
> And what exactly is PF_BILINEAR and PF_TRILINEAR ???

Both are GL_LINEAR when used without the PFTEX_MIPMAP token. Note, the
Performer tokens are not equal to the OpenGL tokens.

- Phil

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

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