The PS3’s RSX graphics chip will be programmed using NVIDIA’s CG shading language. And it will support Shader Model 3.0, kinda. Shader Model 3.0 is really a DirectX thing, so to say that the RSX chip, which will not use DirectX, is compliant would be wrong. But the RSX will support those kind of features, so that’s why the chip is “kinda” Shader Model 3.0.
Sony didn’t want to go for HLSL simply because the Vole itself invented this standard and that stuck in the Japanese firm’s craw. The answer was Nvidia’s CG. The Vole and its DirectX team wants to make everyone loves HLSL whether you like it or not but you can still bend some rules if you are Sony. If you are the Vole you kind of can afford to be bossy and to make people go the way you want them to go but Sony is tough cake.
RSX will enjoy specific version of SM 3.0 adjusted for this core and it will be highly programmable and will let you create some cool effects on Playstation 3.
Written by: Blackstaffer
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