lkml.org 
[lkml]   [1998]   [Mar]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: GGI Project Unhappy On Linux
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


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu

\
 
 \ /
  Last update: 2005-03-22 13:41    [W:0.050 / U:0.488 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site