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Re: New ATI drivers?

Subject: Re: New ATI drivers?
by billt on 2007/9/19 5:13:05

Here's another question toward a VESA generic driver. Is there a standard definition of VESA graphics registers, refresh rates, PLL settings, etc? Previous graphics like VGA and SVGA I think were completely standard everywhere, or at least to a large extent. If there is some absolute standard for all VESA registers, their offsets, sizes, field definitions, etc. then even without an x86 emulation it could be possible to write a driver to that standard register set instead of using x86 stuff, much like the current driver talks directly to Radeon specific registers or Voodoo driver talks directly to Voodoo specific registers. Yes, a great deal of work and all. Who's interested in researching this and has time to do so? I suppose a new thread should be made to further the VESA driver concept if it gets anywhere. If there is a standard register set it's the same kind of work as making or porting the Radeon open-source driver, but probably less as there's probably not much acceleration for lines, rectangles etc. to do as there is in chip-specific drivers.

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