Re: [Qemu-devel] Updated BGR vs. RGB vga patch...

[Paul Brook]

> Unfortunately X11 will not allow you to force a certain color order in
> 24-bit mode.  You can tell it to force byte-order but this only affects
> 16-bit blits - it's ignored for 24-bit since the individual components
> of the 24-bit blits, even if packed into 32-bits, are still 8-bits long.
>   That's what the color masks are for.  There is no efficient way to do
> this at the server level that I can see.  If you find a better way
> (within the current scope of the VGA architecture), I'd be glad to try
> to implement it.  I was just sharing something that was useful to me.

It should be possible to select between different 24-bit packings the same way 
different bit depths are handled.

Paul