Gentoo Archives: gentoo-user

From: Alan McKinnon <alan.mckinnon@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Xinerama vs TwinView for dual monitor setup
Date: Mon, 13 Oct 2008 12:06:02
Message-Id: 200810131405.53808.alan.mckinnon@gmail.com
In Reply to: Re: [gentoo-user] Xinerama vs TwinView for dual monitor setup by YoYo siska
1 On Monday 13 October 2008 13:53:49 YoYo siska wrote:
2 > tabletka ~ # equery hasuse xinerama | wc -l
3 > 285
4 >
5 > most of them are apps from kde-base/* (3.5.9), seems that it changed
6 > between 3.5.9 and 3.5.10, plus iwndow managers like fluxbox, openbox...
7
8 That looks better. I was convinced that most kde-3 apps had a xinerama USE
9 flag, hence my 'emerge -e world' comment that Iain picked up on.
10
11 I wonder why it was changed for KDE-3.5.10, it seems that Xinerama support is
12 now automatically built for most of KDE-3 (deduced by examining the ebuild
13 and ldd output)
14
15 > > Obviously, this understanding of mine is flawed. Which bit did I get
16 > > wrong?
17 >
18 > Xinerama consists basically of two parts, the protocol to communicate the
19 > position/sizes of screen between the Xserver and the applications (which
20 > you usually get by enabling the xinerama use flag) and an xserver part
21 > (module?) that you can use to set up the screens. What you said is
22 > correct for the Xserver setup part...
23
24 > You use either xinerama setup to put together completely different
25 > displays (might be different cards, such as one nvidia, one ati, ...)
26 > or twinview in case of a dualhead nvidia setup. But both this setups use
27 > the xinerama protocol to let the apps/wm know the placement of the
28 > monitors.
29
30 <penny drops>
31
32 OK, so there's a xinerama protocol and a xinerama lib and these are not the
33 same thing
34
35 </penny drops>
36
37 --
38 alan dot mckinnon at gmail dot com