On Wed, Sep 07, 2005 at 01:29:30PM -0600, Brian Paul wrote:
| The basic idea of GL_SGIS_pixel_texture and the pixeltex.c demo is 
| that each RGB value sent to glDrawPixels is converted into an STR 
| texture coordinate.  The texture is sampled with those coordinates and 
| the resulting colors get drawn where glDrawPixels would normally put 
| them.
| 
| It's a kind of primordial dependent texture lookup.

Mainly intended for colorspace transformations, if I remember correctly.

Allen


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