Originally posted by jbirney
Its been show that currently CG only supports features found in NV hardware (no support for Turform or PS1.4). If a developer has all the tools he needs to write HLSL which is a standard for all hardware, why not write just in HLSL?
Cg has full support for PS 2.0 and the ARB extension fragment/vertex programs (Meaning it has full support for the R300 architecture). Truform needs no support in shaders.