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Re: [Qemu-devel] QEmu as a Device Software Optimization tool
From: |
Even Rouault |
Subject: |
Re: [Qemu-devel] QEmu as a Device Software Optimization tool |
Date: |
Thu, 26 Jul 2007 19:33:49 +0200 |
User-agent: |
KMail/1.9.6 |
On Thursday 26 July 2007 18:34:36 Paul Borman wrote:
> Paravirtualization - I have written a "device driver" for QEmu that
> allows the guest system to essentially make function calls right into
> the host (dealing with data representation, etc). A prime example
> for use of this is OpenGL. OpenGL is pretty much done in hardware
> these days, and most embedded devices do not use X11 as a graphics
> system. By providing an OpenGL library on the target OS that
> basically calls straight into the hosts OpenGL library it should be
> possible to greatly increase the performance of the target without
> having to try and export the real graphics hardware into QEmu. Along
> with this I have done the necessary work to allow QEmu to use dlopen
> () to load in arbitrary shim layers to libraries.
As far as OpenGL is concerned, I don't know if you have already looked at it,
but you may be interested by my OpenGL patch. Even if it uses a specific
guest <--> host communication hack, this may save you the quite tidious
process of serializing/deserializing OpenGL calls between guest and host.
For more details, see : http://qemu-forum.ipi.fi/viewtopic.php?t=2984
- [Qemu-devel] Patch for OHW bootinfos, Tero Kaarlela, 2007/07/20
- [Qemu-devel] QEmu as a Device Software Optimization tool, Paul Borman, 2007/07/26
- Re: [Qemu-devel] QEmu as a Device Software Optimization tool, Thiemo Seufer, 2007/07/26
- Re: [Qemu-devel] QEmu as a Device Software Optimization tool,
Even Rouault <=
- Re: [Qemu-devel] QEmu as a Device Software Optimization tool, andrzej zaborowski, 2007/07/26
- [Qemu-devel] Re: QEmu as a Device Software Optimization tool, Hollis Blanchard, 2007/07/27
- Re: [Qemu-devel] Re: QEmu as a Device Software Optimization tool, Paul Borman, 2007/07/27
- Re: [Qemu-devel] Re: QEmu as a Device Software Optimization tool, Alexander Voropay, 2007/07/27
- Re: [Qemu-devel] Re: QEmu as a Device Software Optimization tool, andrzej zaborowski, 2007/07/27
- Re: [Qemu-devel] Re: QEmu as a Device Software Optimization tool, Paul Sokolovsky, 2007/07/28