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Re: [Qemu-devel] [PATCH] Add QEMU DirectFB display driver


From: Gerd Hoffmann
Subject: Re: [Qemu-devel] [PATCH] Add QEMU DirectFB display driver
Date: Mon, 17 May 2010 22:20:15 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100430 Fedora/3.0.4-2.fc12 Thunderbird/3.0.4

On 05/16/10 03:10, Paul Brook wrote:
The other solution would be to use the DirectFB driver for SDL which
would allow to do slightly the same as this patch. But that would mean
having to deal with an additional layer in the graphical stack, which is
not exactly what one wants from a performance or a complexity point of
view.

I don't buy your complexity argument.  Doesn't DirectFB-via-SDL already work?

Run a guest. Switch to another (host) virtual terminal. Watch qemu continue drawing on the framebuffer. Doesn't count as "working" in my book.

If not why not? I'm pretty sure fixing that would be way simpler than adding a
whole new output backend.

Didn't investigate where the bug is and how hard it would be to fix it.

cheers,
  Gerd




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