Re: Frame buffer device thinkings...

Geert Uytterhoeven (Geert.Uytterhoeven@cs.kuleuven.ac.be)
Tue, 15 Sep 1998 23:38:26 +0200 (CEST)

On Tue, 15 Sep 1998, Alan Cox wrote:
> > Since hardware acceleration (bitblit) proved to be unnecessary for text
> > consoles on modern hardware, the frame buffer device needs to have less
> > knowledge about the hardware. All it needs to know is:
>
> Thats a matter of opinion. A blitting S3 console is definitely an order
> of magnitude nicer than vesafb. Its certainly true enough to say being able
> to grab all acceleration for the Xserver is not catastrophe

Do you have benchmark results? I have. Smart redraw scrolling is faster than
bitblit on my RAGE II+. Do not underestimate the speed of PCI. On ISA things
are different, I assume.

Greetings,

Geert

--
Geert Uytterhoeven                     Geert.Uytterhoeven@cs.kuleuven.ac.be
Wavelets, Linux/{m68k~Amiga,PPC~CHRP}  http://www.cs.kuleuven.ac.be/~geert/
Department of Computer Science -- Katholieke Universiteit Leuven -- Belgium




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