From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] kvm tools, ui: Optimize SDL updates
Date: Sat, 4 Jun 2011 11:54:51 +0200
Message-ID: <20110604095451.GA15349@elte.hu>
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Cc: kvm@vger.kernel.org, Cyrill Gorcunov <gorcunov@gmail.com>,
	John Floren <john@jfloren.net>,
	Sasha Levin <levinsasha928@gmail.com>
To: Pekka Enberg <penberg@kernel.org>
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* Pekka Enberg <penberg@kernel.org> wrote:

> This patch optimizes SDL updates by keeping track of which parts of the guest
> screen have been written since last update and calling SDL_BlitSurface() and
> SDL_UpdateRect() for only changed parts of the screen.
> 
> Cc: Cyrill Gorcunov <gorcunov@gmail.com>
> Cc: Ingo Molnar <mingo@elte.hu>
> Cc: John Floren <john@jfloren.net>
> Cc: Sasha Levin <levinsasha928@gmail.com>
> Signed-off-by: Pekka Enberg <penberg@kernel.org>

I tried this one and updates got a bit faster.

We really need accelerated scrolling support though, i.e. framebuffer 
combined with virtio-fb for operations such as scrolling. Could we 
merge the repo up to v3.0-rc1 and write virtio-fb based on the 
virtio-gl patch?

Thanks,

	Ingo