Retropie Ubuntu dual screen?!

nicolas6t76

Hi guys deja thank you for retropie on ubuntu, it works very well!

But I have a problem, can make it work on the second screen (HDMI-1)

I just love it

Here is my config

Screen 0: minimum 320 x 200, current 3840 x 1268, maximum 16384 x 16384
HDMI-0 connected 1920x1080+1920+188 (normal left inverted right x axis y axis) 708mm x 398mm
1920x1080 60.0*+ 50.0 59.9
1920x1080i 60.1 + 50.0 60.0
2880x576 50.0
2880x576i 50.1
2880x480 60.0 59.9
2880x480i 60.1 60.1
1280x720 60.0 50.0 59.9
1440x576 50.0
1440x576i 50.1
1440x480 60.0 59.9
1440x480i 60.1 60.1
720x576 50.0
720x480 60.0 59.9
DVI-0 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 477mm x 268mm
1920x1080 60.0*+
1680x1050 59.9
1280x1024 75.0 60.0
1440x900 59.9
1280x960 60.0
1280x800 59.9
1152x864 75.0
1280x720 60.0
1024x768 75.1 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 75.0 72.8 66.7 60.0
720x400 70.1

Thank you very much I did not find a solution ...

BuZz

@nicolas6t76

edit /opt/retropie/configs/all/retroarch.cfg

# Which monitor to prefer. 0 (default) means no particular monitor is preferred, 1 and up (1 being first monitor),
# suggests RetroArch to use that particular monitor.
# video_monitor_index = 0

this will only help for libretro emulators.

nicolas6t76

Thank you I try without any difference ...

Maybe with a script?

BuZz

@nicolas6t76 it's possible that setting is not used on Linux. Not something I have done sorry.

nicolas6t76

Thank you I will continue to seek!

nicolas6t76

I tried this script but it is not stable and the emulation returns to the 1st screen

#!/bin/bash

This script will run a program in fullscreen mode (no borders or

title bar etc) on a second monitor. It can used for many programs

and on either the primary or secondary monitor

#This is the executable file or path
PROGRAM='emulationstation'

This is the output of wmctrl -l for the program that we are using

NAME='emulationstation'

This is the device name of the monitor we want to display the program on

DEVICE='HDMI-1'

If you want the program to be fullscreen on your second monitor

this variable should be the width of your primary monitor

PRIMARYWIDTH=1920

Run the program , then wait a bit before carrying on

If your program doesn't load in time then try increasing this value

$PROGRAM > /dev/null 2> /dev/null & disown && sleep 3

Set the Open GL environment variables

Set the vertical blanking to on

__GL_SYNC_TO_VBLANK=1

And make sure OpenGL syncs the correct monitor

__GL_SYNC_DISPLAY_DEVICE="$DEVICE"

Do we want a screensaver

#SDL_VIDEO_ALLOW_SCREENSAVER=0

Set the dimensions of the program in the monitor

wmctrl -r "$NAME" -e '0,'$PRIMARYWIDTH',-1,-1,-1'

Maximize it

wmctrl -r "$NAME" -b toggle,fullscreen,maximized_vert