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Re: [Qemu-devel] [PATCH] Slowdown SDL while minimized

From: Anders
Subject: Re: [Qemu-devel] [PATCH] Slowdown SDL while minimized
Date: Wed, 12 Mar 2008 00:56:42 +0100
User-agent: Thunderbird (X11/20080227)

Samuel Thibault wrote:
When SDL is invisible/minimized, there is no need to keep calling the
VGA refresh 33 times per second.  This patch reduces in that case the
rate to 2 times per second, which should be responsive enough for the
un-minimizing event.

Is there any need to update at all, if the canvas is not visible? How about some infrastructure for pausing the update completely? I think that could also be used for VNC displays, when no client is connected.


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