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Re: [Qemu-devel] [PATCH] opengl rendering in the sdl window


From: Anthony Liguori
Subject: Re: [Qemu-devel] [PATCH] opengl rendering in the sdl window
Date: Mon, 08 Sep 2008 11:47:22 -0500
User-agent: Thunderbird 2.0.0.16 (X11/20080723)

Gerd Hoffmann wrote:
Jamie Lokier wrote:
Gerd Hoffmann wrote:
Or use the monitor, which the gui needs anyway to implement the nice
control buttons for the user.  Which would it make easier to re-attach
the gui to the vm as all you need to know is where the monitor is ...
You want to transmit the image or the image-blit-please protocol over
the monitor connection?

Negotiate a shared memory segment somehow, then send just notifications.
Have to think about how to to that in detail, ideally this would be a
shared memory segment shared by all three instances involved: the gui
process, the qemu process and the X-Server.  So qemu can render directly
into a XShmImage, although it has no (direct) connection to the X-Server.

This is exactly how my VNC Shm patches worked. The protocol extension is generic but it happens to work very well with an XShmImage.

If someone wants to resurrect these patches, they can find them on gtk-vnc-devel (probably). Otherwise, I'll queue them up for when I have some free time. Now with Dan's cairo patches, the impact to gtk-vnc should be minimal.

Regards,

Anthony Liguori





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