Thanks pq. It is helpful for me. I will have a try with your idea. :)
-Original Message-
From: Pekka Paalanen [mailto:ppaala...@gmail.com]
Sent: Saturday, February 08, 2014 5:56 PM
To: Wang, Quanxian
Cc: wayland-devel@lists.freedesktop.org
Subject: Re: Is there any way to let compositor
From: magc...@gmail.com [mailto:magc...@gmail.com] On Behalf Of Jasper St.
Pierre
Sent: Sunday, February 09, 2014 12:23 AM
To: Wang, Quanxian
Cc: wayland-devel@lists.freedesktop.org
Subject: Re: Is there any way to let compositor set the data in client space
and then return back to client?
Hi, All
I want to allocate some space in client, and let compositor set some data in
this space and then return back to client.
It seems like user data mechanism.
Any way to implement that?
Thanks
Regards
Quanxian Wang
___
wayland-devel mailing
On Sat, 8 Feb 2014 08:19:06 +
Wang, Quanxian quanxian.w...@intel.com wrote:
Hi, All
I want to allocate some space in client, and let compositor set
some data in this space and then return back to client.
It seems like user data mechanism.
Any way to implement that?
Not really,
Well, there's not really anything that allows process A to arbitrarily
modify process B's memory. The only thing that's close is memory-mapped
files, and that's already what we use to share image data between the
client and the compositor.
There's also memfd, which is more secure than a
