From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Cc: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels
Date: Mon, 23 Feb 2009 03:06:13 +0000 [thread overview]
Message-ID: <49A212A5.2010001@eu.citrix.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0902210701170.2181@linmac.oyster.ru>
malc wrote:
> Let me reiterate - SDL_UpdateRect was REMOVED from sdl_update, SDL_Flip
> was added to _sdl_refresh_. So, no, SDL_Flip is NOT faster than
> SDL_UpdateRect.
>
This change also shouldn't have any effect since sdl_refresh is the one
that calls sdl_update in the end.
The code path is the following:
sdl_refresh -> vga_hw_update -> vga_draw_graphic -> dpy_update -> sdl_update
next prev parent reply other threads:[~2009-02-23 3:09 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-15 13:10 [Qemu-devel] Qemu 2D performance plunges below acceptable levels Alexey Eremenko
2009-02-15 17:11 ` [Qemu-devel] " Alexey Eremenko
2009-02-16 10:31 ` Stefano Stabellini
2009-02-16 11:47 ` Avi Kivity
2009-02-16 16:15 ` Stefano Stabellini
2009-02-16 16:36 ` Avi Kivity
2009-02-17 17:48 ` Avi Kivity
2009-02-17 19:00 ` Stefano Stabellini
2009-02-18 8:46 ` Alexey Eremenko
2009-02-18 9:33 ` malc
2009-02-18 10:48 ` Stefano Stabellini
2009-02-18 11:17 ` malc
2009-02-18 11:27 ` Alexey Eremenko
2009-02-18 11:32 ` malc
2009-02-18 12:12 ` Stefano Stabellini
2009-02-18 18:51 ` malc
2009-02-19 15:14 ` malc
2009-02-20 16:37 ` Stefano Stabellini
2009-02-20 16:52 ` Paul Brook
2009-02-20 17:01 ` Stefano Stabellini
2009-02-20 17:16 ` Paul Brook
2009-02-21 4:02 ` malc
2009-02-23 3:06 ` Stefano Stabellini [this message]
2009-02-23 6:43 ` malc
2009-02-20 17:17 ` Laurent Desnogues
2009-02-18 10:43 ` Stefano Stabellini
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