Amiga support and xc/programs/Xserver/ilbm / was: Re: Dead code: programs/Xserver/iplan2p[248]

Adam Jackson ajax at
Tue Oct 5 08:05:38 PDT 2004

On Tuesday 05 October 2004 04:40, Geert Uytterhoeven wrote:
> On Mon, 4 Oct 2004, Adam Jackson wrote:
> > Geert, consider yourself pinged.  Is there any need or want to keep ilbm
> > alive?
> I `cloned and corrupted' afb to create ilbm and support interleaved
> bitplanes on Amiga. By default amifb uses bitplanes, but if you pass
> `video=amifb:ilbm', it will use interleaved bitplanes.
> The main advantages of interleaved bitplanes are:
>   - You see less flicker when updating the screen, because the screen is
>     updated line-by-line (for all planes), instead of plane-by-plane.
>   - If you want to use the Amiga Blitter hardware, you can do one
> rectangular copy by programming the blitter once, instead of for every
> bitplane.

Okay, this sounds useful.  So - modulo bugs - how come it never gets used?  I 
don't see any drivers calling ilbmCreateScreen, or any references to it in 
the Imakefiles.  Would it just be a matter of hooking it up to the right 
cases in vesa and fbdev?

- ajax
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