On Thu, Apr 09, 2015 at 07:22:34PM +1000, Nigel Tao wrote:
> On Thu, Apr 9, 2015 at 6:39 PM, Chris Wilson wrote:
> > You can either read cairo for an example of how to mix SHM and Render,
> > or
> > http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/tree/tools/virtual.c#n1819
>
> Thanks fo
a bit of warning before I begin: I'm not very familiar with X11 and only
recently got asked to do some display work, so if anything seems naive or
ill-informed, it is because I am.
I need to write something that can find the lowest level visible widget at
the location and return the window ID, but
On Thu, Apr 9, 2015 at 6:39 PM, Chris Wilson wrote:
> You can either read cairo for an example of how to mix SHM and Render,
> or
> http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/tree/tools/virtual.c#n1819
Thanks for the tip. I'll give it more than a skim later, but one thing
looked od
On Thu, Apr 09, 2015 at 11:01:47AM +1000, Nigel Tao wrote:
> I'm possibly Doing It Wrong, but...
>
> I'm playing around with an X client, I have some shared memory full of
> pixels, and I want to paint them on a window, with alpha-blending. I
> also want to know when the paint is complete, so I ca