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Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels |
Date: |
Fri, 20 Feb 2009 16:52:54 +0000 |
User-agent: |
KMail/1.9.9 |
> SDL_BlitSurface(guest_screen, &rec, real_screen, &rec);
> - SDL_UpdateRect(real_screen, x, y, w, h);
> + SDL_UpdateRects(real_screen, 1, &rec);
Have you actually tried this? I'd be amazed and dismayed if it made any
difference. I can believe that SDL_UpdateRects is better that *multiple*
calls to SDL_UpdateRect. However I see absolutely no justification for this
change.
Paul
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, (continued)
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, Alexey Eremenko, 2009/02/18
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, malc, 2009/02/18
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, Stefano Stabellini, 2009/02/18
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, malc, 2009/02/18
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, Alexey Eremenko, 2009/02/18
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, malc, 2009/02/18
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, Stefano Stabellini, 2009/02/18
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, malc, 2009/02/18
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, malc, 2009/02/19
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, Stefano Stabellini, 2009/02/20
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels,
Paul Brook <=
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, Stefano Stabellini, 2009/02/20
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, Paul Brook, 2009/02/20
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, malc, 2009/02/20
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, Stefano Stabellini, 2009/02/22
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, malc, 2009/02/23
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, Laurent Desnogues, 2009/02/20
- Re: [Qemu-devel] Re: Qemu 2D performance plunges below acceptable levels, Stefano Stabellini, 2009/02/18