Hi,
>
> So what I think you want to achieve is:
>
> dst = a * srcA + (1-a) * srcB
yes, that's my intension
>
> which can be acheived (and hitting the accelerated paths) with:
>
> Picture a = XRenderCreateSolidFill(dpy, &(XRenderColor){.alpha = 0x *
> Fade});
> Picture ia = XRenderC
Chris Wilson wrote:
>
> Do you mind describing you use-case for alphamaps and could you create a
> little benchmark for your workload?
> -Chris
>
I´am programming a animated crossfade from one window to another.
Both windows are not created by my application. The content
of both windows is pre
On Fri, 04 Nov 2011 15:11:28 +0100, Hans-Peter Budek wrote:
> Chris Wilson wrote:
>
> >
> > Do you mind describing you use-case for alphamaps and could you create a
> > little benchmark for your workload?
> > -Chris
> >
>
>
> I´am programming a animated crossfade from one window to another.
On Fri, 04 Nov 2011 11:26:07 +0100, Hans-Peter Budek wrote:
> Hi,
> if I set an alpha-map to a destination picture via
> XRenderChangePicture(s->Dpy, Dest, CPAlphaMap, &Att) ;
> the following XRenderComposite() call crash my X-server:
>
> Backtrace:
> [ 9911.289] 0: /usr/X11R6/bin/X (xorg_backtr
