The GraphicsDeviceManager in the final XNA 1.0 release does not allow for XNA games to be run on systems without a shader-capable graphics card installed. It can use the reference rasterizer, but only if there is shader-capable graphics hardware installed.
Disassembling the XNA source code is prohibited, but theoretically, if one would clone the reference rasterizer class and modify it a little bit to work in systems without shader-capable graphics hardware, one would probably end up with this code snippet!
Notice: This won't work if you haven't enabled have the Reference Rasterizer in the DirectX control panel before! Click to here learn how
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![[file]](http://www.nuclex.org/sites/all/modules/webfm/image/icon/f.gif "download as file"){kind=icon} ReferenceGraphicsDeviceManager.cs | 39.29 KB |