Re: [Qemu-devel] [PATCH] opengl rendering in the sdl window

[Avi Kivity]

Daniel P. Berrange wrote:
> On Fri, Sep 05, 2008 at 05:44:55PM +0100, Stefano Stabellini wrote:
>   
> > Jamie Lokier wrote:
> >     
> > > Another way to map guest framebuffer to video memory is the XF86DGA
> > > extension, which is great when you can use it.  I think VMware uses it
> > > in full-screen mode.
> > >       
> > I went with OpenGL because I wanted the accelerated window resize
> > feature, and because I think it will give us more opportunities for
> > further improvements (for example using PBOs as soon as they are
> > supported by at least one open source graphic card driver).
> >     
>
> The problem with OpenGL is that it has horrible rendering issues if you
> are also using a compositing window manager like Compiz. 

I would say that this is a compiz problem.

> You need an X
> server & driver which supports Redirected Direct Rendering [1]. No distro 
> currently has any official support for this yet. 

Or a distro problem.

> AFAIK, the next Fedora 10
> will be the first to support it, and even then only on Intel hardware[2].
> ATI is still a fair way off, and NVidia support is nowhere to be seen. For
> accelerated resize of windows though you shouldn't need 3d - the graphics
> driver 2-d hardware acceleration  support ought to be sufficient I'd
> imagine
>   

I don't see how distros can enable compiz if it breaks opengl 
applications like this.

--
error compiling committee.c: too many arguments to function