Re: [info-performer] fragment shaders and Cg - try 2

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From: Allan Schaffer (allan++at++sgi.com)
Date: 08/06/2003 22:20:05

Hi Ken,

ken sartor wrote:
> Does Performer/SGI support fragment shaders, ala the Cg programming
> language?

A "now" vs "soon" answer:

Now: The way to do fragment shaders in the current release (3.0.2) is to
cook them into draw callbacks; either for the channel, for a given node,
or a pfGeoSetCB. Or, to use the integration with OpenGL Shader (which
has a high-level shading language) to do this.

Soon: 3.1 adds direct support for Fragment & Vertex programs. Easy :-)

Allan 

-- 
Allan Schaffer                                            allan++at++sgi.com
Engr. Manager, Core Rendering                            1-650-933-2160
Silicon Graphics                                     http://www.sgi.com

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