From: Andrew Apted <ajapted@netspace.net.au>
  To  : ggi-develop@eskimo.com
  Date: Tue, 17 Aug 1999 13:54:14 +1000

Re: kgicon C&T

James Simmons writes:

>  > Hmm - exactly what driver do you use ? cube3d for example asks for
>  > doublebuffering, which could be pretty impossible with some fbcon drivers
>  > (like VESAfb).
>  
>  Double buffering is not defined for fbdev :( 

But panning is, so ask for: yres_virtual == 2*yres when calling
FBIOPUT_VSCREENINFO, and use FBIOPAN_DISPLAY to flip between the
top half and the bottom half.  Right James ?

Doesn't work on VESAFB though unless you set some kernel command line
option (something like "video=vesafb:ypan", IIRC).

Cheers,
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  Andrew Apted   <ajapted@netspace.net.au>      \/