Re: [Qemu-devel] [RFC] qemu VGA endian swap low level drawing changes

[Benjamin Herrenschmidt]

On Tue, 2014-07-01 at 10:26 +0200, Alexander Graf wrote:
> 
> Windows NT 4 might use it. I remember that I had issues running NT4 with 
> Cirrus emulation a while back.

Any location where one can find images legally ?

> >> Right. A quick fix would be to add a flag to force always using a shadow
> >> surface and set it in cirrus ... I'm not sure anybody will notice the
> >> performance difference.
> > I suspect we can rip out hw cursor emulation and nobody will notice the
> > difference either ...
> 
> Very likely ;). Though I think we're better off keeping it around to 
> make sure we're still compatible with ancient guests (Windows 3.1 might 
> use it too). Making it slow however shouldn't make any difference at all.

Making it slower isn't completely pretty either. The patch series remove
all the conversion routines for 24 and 32bpp, relying instead on pixman.
We'd have to bring them back (even if they are just memcpy's).

Cheers,
Ben.