Messages in this thread | | | Date | Fri, 27 Mar 1998 17:50:42 +0100 (CET) | From | Geert Uytterhoeven <> | Subject | Re: GGI Project Unhappy On Linux |
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On Thu, 26 Mar 1998, Pavel Machek wrote: > How does fbcon work with hardware acceleration? [Once we solve > acceleration issue somehow, we can get rid of GGI and use fbcon > instead. But - I'm not sure if such thing even can be done. With > cards having critical registers neer non-critical ones :-( ]
From user space, the X server mmaps the MMIO registers.
For text console acceleration (mainly scrolling), the kernel knows how to do simple blits for some chipsets. If no blit routines are available, it will use the CPU.
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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