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Date: Mon, 14 Dec 2009 15:07:00 +0100
From: Gerd Hoffmann <kraxel@redhat.com>
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Subject: Re: [Qemu-devel] X support for QXL and SPICE
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To: Soeren Sandmann <sandmann@daimi.au.dk>
Cc: Yaniv Kamay <ykamay@redhat.com>, Izik Eidus <ieidus@redhat.com>, Alexander Graf <agraf@suse.de>, qemu-devel@nongnu.org

On 12/12/09 00:58, Soeren Sandmann wrote:
> Even this simple support provides a better user experience than VNC
> because scrolling is accelerated and doesn't result in a huge bitmap
> getting sent across the wire. (I don't know if VNC has support for
> bltblt, but even if it does, a screenscraping VNC server can't easily
> make use of it).

cirrus vga bitblit op is mapped to vnc copyrect.
X + cirrus driver + xterm make use of it for text scrolling.

cheers,
   Gerd