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_backtrace+0x37) [0x80e8997]
[ 9911.289] Segmentation fault at address (nil)
[
On Fri, 04 Nov 2011 11:26:07 +0100, Hans-Peter Budek peter.bu...@gmx.de 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
On Fri, 04 Nov 2011 15:11:28 +0100, Hans-Peter Budek peter.bu...@gmx.de 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
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
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 =