How WINE implements BitBlt function?

[Tom Wickline]

There is a man page for starters..

Tom
 On Feb 5, 2015 4:58 PM, "John Found" <johnfound at asm32.info> wrote:

> On Wed, 04 Feb 2015 12:24:30 +0200
> Shachar Shemesh <shachar at shemesh.biz> wrote:
>
> >
> >
> > On 31/01/2015 12:19, Stefan Dösinger wrote:
> >
> > > Am 31.01.2015 um 08:11 schrieb John Found <johnfound at asm32.info>:
> > >
> > >> So, the question: How in WINE is implemented BitBlt function in order
> to have so high performance and so low CPU load?
> > >
> > > We use the X render extension. See dlls/winex11.drv/xrender.c.
> > >
> > > (I am not an expert on the GDI parts of Wine, so no guarantee for
> correctness of this information. I haven't followed the full path from
> gdi's BitBlt to the final X11 call)
> >
> > Perhaps using XSHM for such things would be better (at least when the X
> > server is local, which is almost always the case).
> >
> > Shachar
> >
>
> I never heard about XSHM, but it sounds really interesting.
> Unfortunately Google gives some very sketchy references about it.
> Is there more informative documentation about XSHM?
>
>
> --
> John Found <johnfound at asm32.info>
>
>
>
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