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List:       freedesktop-xorg
Subject:    Re: xrandr: Games/Apps don't recognize virtual Monitor resolution
From:       Alex Deucher <alexdeucher () gmail ! com>
Date:       2020-07-13 17:07:32
Message-ID: CADnq5_OsM3E5rh1Aey9Gb2vDq9jtQCE3zP83cYvq5YJ9WA760g () mail ! gmail ! com
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On Mon, Jul 13, 2020 at 12:17 PM DocMAX <docmax@live.de> wrote:
>
> Hello,
>
> i'd like to use one big screen of my 3 monitors like xinerama.
> In xinerama i get the resoultion 5860x1080 shown in my Apps/Games.
>
> In xrandr i dont get it. Here is my config:
>
>          xrandr \
>              --output DP-0 --off \
>              --output DP-1 --primary --mode 1920x1080 --pos 1970x0
> --rotate normal \
>              --output DP-2 --off \
>              --output DP-3 --mode 1920x1080 --pos 3940x0 --rotate normal
> --output HDMI-0 --off \
>              --output DP-4 --off \
>              --output DP-5 --mode 1920x1080 --pos 0x0 --rotate normal \
>              --noprimary
>          xrandr --setmonitor surround auto DP-5,DP-1,DP-3
>          xrandr -s 5860x1080
>
> Also tried to add a mode like this:
>
>          xrandr --newmode "5860x1080"  528.25  5860 6240 6864 7864 1080
> 1083 1093 1120 -hsync +vsync
>
> without luck.

xrandr doesn't do what you are looking for.  To do what I think you
want to do, you need to either hack the app to ignore xinerama
geometry hints or hack xinerama to expose the total screen size as a
single geometry.

Alex
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