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Vertex & fragment shaders - tutorial

 

Home Go for the GT5 look using vertex and fragment shaders!


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Introduction

GPU Shaders (normally called vertex and fragment shaders) are supported in Racer through Cg. Cg was created by nVidia to overcome a lot of the troubles when creating shaders for a multitude of graphics hardware. Racer has always targeted for high-end hardware, and Cg probably is one of the areas where that becomes obvious.

This document is not about teaching you Cg; there's enough of that online. I'd recommend getting the book 'The Cg Tutorial' from nVidia, which can be read online for free at http://http.developer.nvidia.com/CgTutorial/cg_tutorial_chapter01.html (see also below)

More information on generic Racer shaders (the name 'shader' here is a bit confusing) can be found here; Cg shaders are only a part of the larger concept of Racer shaders.

External books/pages to read

There's a lot of information on Cg on the internet. nVidia has made available for free the texts of their excellent GPU Gems series. Try the following (they are all for free):

Tutorials and references on GPU shading

For Racer there are a number of documents that deal with shading. Follow these links:

 


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(last updated November 13, 2012 )