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Updated Cg shaders (markdown)

Themaister 2013-04-30 04:26:08 -07:00
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Cg-shaders.md

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## Purpose
Cg shaders is a spec from nVidia. It has the great advantage that shaders written in Cg are compatible with both OpenGL and Direct3D. It is also compatible with PlayStation 3 as well. They are also compatible with basic HLSL if some considerations are taken into account. They can even be automatically be compiled into [[GLSL shaders]], which makes Cg shaders a true "write once, run everywhere" shader format.
Cg shaders is a spec from nVidia. It has the great advantage that shaders written in Cg are compatible with both OpenGL and Direct3D. It is also compatible with PlayStation 3 as well. They are also compatible with basic HLSL if some considerations are taken into account. They can even be automatically compiled into [[GLSL shaders]], which makes Cg shaders a true "write once, run everywhere" shader format.
We encourage new shaders targeting RetroArch to be written in this format.
### Example Cg shader
void main_vertex