Tom's Hardware Guide has posted a Vertex Shaders and Pixel Shaders graphics guide

It was nearly a year ago that Microsoft released their latest version of DirectX. At the time, they said that the changes they'd made to the architecture were probably the biggest since DX5. Like a lot of people, I just assumed that this was typical marketing talk, but as it turns out, the new architectures introduced in DX8 have substantially changed the way that programmers should work with the graphics hardware available to them.

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