literature for programming graphic card

Hi.
I'm looking for some good sources how to program
graphics card in Linux does any body something like
this :) ?

By the way i want to ask two others question.

First, I have Intel GMA 950 graphics card and i want
to use SVGATextMode for it .. but i have no idea what
chipset to use.

Second, for three days I've Pentium D processor and,
again , I'm looking for literature about programming
two core, there is a lot of stuff in Internet but
maybe some of You know something really good.

Lukas


 
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