From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Subject: Re: [Qemu-devel] [PATCH] opengl rendering in the sdl window
Date: Sun, 7 Sep 2008 16:03:30 +0100 [thread overview]
Message-ID: <200809071603.31181.paul@codesourcery.com> (raw)
In-Reply-To: <20080907144221.GN4307@implementation>
On Sunday 07 September 2008, Samuel Thibault wrote:
> Paul Brook, le Sun 07 Sep 2008 15:36:51 +0100, a écrit :
> > > Ideally, once switched to fullscreen you could just let the guest
> > > directly write to the actual video memory (particularly interesting for
> > > Xen and KVM).
> >
> > You really don't want to have the guest writing directly to host video
> > ram. Video ram tends to be high-latency, so you want to write to regular
> > memory, then use a wide block transfer or DMA to copy to video ram.
>
> How often?
You probably want to sync the updates to the vertical refresh. Updating more
often than that is pointless.
> Which part(s) of the framebuffer?
Whichever parts have changed.
Paul
next prev parent reply other threads:[~2008-09-07 15:03 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-29 15:22 [Qemu-devel] [PATCH] opengl rendering in the sdl window Stefano Stabellini
2008-09-02 16:53 ` Ian Jackson
2008-09-04 3:00 ` Anthony Liguori
2008-09-04 7:41 ` Gerd Hoffmann
2008-09-04 9:42 ` Daniel P. Berrange
2008-09-04 10:06 ` Andreas Färber
2008-09-04 10:20 ` Daniel P. Berrange
2008-09-05 16:42 ` Andreas Färber
2008-09-07 7:51 ` Avi Kivity
2008-09-07 3:07 ` Anthony Liguori
2008-09-07 16:31 ` Daniel P. Berrange
2008-09-08 0:12 ` Anthony Liguori
2008-09-04 10:06 ` Stefano Stabellini
2008-09-05 12:02 ` Jamie Lokier
2008-09-05 12:11 ` Samuel Thibault
2008-09-06 23:27 ` Jamie Lokier
2008-09-07 14:22 ` Samuel Thibault
2008-09-07 14:36 ` Paul Brook
2008-09-07 14:42 ` Samuel Thibault
2008-09-07 15:03 ` Paul Brook [this message]
2008-09-07 15:12 ` Samuel Thibault
2008-09-07 15:35 ` Paul Brook
2008-09-07 15:41 ` Samuel Thibault
2008-09-07 15:57 ` Paul Brook
2008-09-08 0:08 ` Anthony Liguori
2008-09-08 0:21 ` Samuel Thibault
2008-09-08 1:18 ` Jamie Lokier
2008-09-08 10:38 ` Stefano Stabellini
2008-09-08 13:21 ` Jamie Lokier
2008-09-05 16:44 ` Stefano Stabellini
2008-09-05 16:55 ` Daniel P. Berrange
2008-09-05 17:13 ` Stefano Stabellini
2008-09-07 3:21 ` Anthony Liguori
2008-09-08 10:48 ` Stefano Stabellini
2008-09-08 13:16 ` Jamie Lokier
2008-09-08 13:51 ` Stefano Stabellini
2008-09-08 13:41 ` Jamie Lokier
2008-09-08 13:48 ` Daniel P. Berrange
2008-09-08 14:56 ` Gerd Hoffmann
2008-09-08 15:08 ` Jamie Lokier
2008-09-08 15:35 ` Gerd Hoffmann
2008-09-08 15:39 ` Jamie Lokier
2008-09-08 16:23 ` Gerd Hoffmann
2008-09-08 16:47 ` Anthony Liguori
2008-09-08 19:15 ` Gerd Hoffmann
2008-09-08 19:43 ` Jamie Lokier
2008-09-08 15:47 ` Daniel P. Berrange
2008-09-08 16:05 ` Anthony Liguori
2008-09-08 17:08 ` Mike Kronenberg
2008-09-08 19:21 ` Gerd Hoffmann
2008-09-08 21:06 ` Mike Kronenberg
2008-09-08 19:32 ` Jamie Lokier
2008-09-08 19:48 ` Jamie Lokier
2008-09-08 19:57 ` Anthony Liguori
2008-09-08 20:11 ` Jamie Lokier
2008-09-08 23:18 ` Daniel P. Berrange
2008-09-09 0:10 ` Jamie Lokier
2008-09-09 2:45 ` Anthony Liguori
2008-09-09 4:17 ` Jamie Lokier
2008-09-08 14:22 ` Anthony Liguori
2008-09-07 7:48 ` Avi Kivity
2008-09-07 11:57 ` Daniel P. Berrange
2008-09-07 13:12 ` Avi Kivity
2008-09-08 10:30 ` Stefano Stabellini
2008-09-08 10:35 ` Daniel P. Berrange
2008-09-08 10:53 ` Stefano Stabellini
2008-09-08 11:00 ` Daniel P. Berrange
2008-09-08 12:38 ` François Revol
2008-09-08 13:05 ` Jamie Lokier
2008-09-08 13:08 ` Anthony Liguori
2008-09-08 13:44 ` François Revol
2008-09-05 18:11 ` malc
2008-09-04 10:14 ` Stefano Stabellini
2008-09-07 3:09 ` Anthony Liguori
2008-09-04 10:21 ` Andreas Färber
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