Render to multiple X Screens

[dougbinks]

This is very similar to the previous post:

Only one monitor detected X11

Hi everyone, I have to use a computer (Ubuntu18.04) that is connected to 3 monitors that are configured in metamode with Nvidia X server (X0 is the main screen and X1 is a combination of the two others: 1920+1920X1080). However glfw returns only one monitor (the X0 one). Would you have an idea why? What I could do? I put below the xorg.conf file and what glfw monitors give me. Thanks a lot in advance for your help! Name: HDMI-0 (primary) Current mode: 1920 x 1080 x 24 (16:9) (8 8 8) 60 Hz Vir…

From the documentation on GLFW: Standards conformance

GLFW uses the XRandR 1.3 extension to provide multi-monitor support. If the running X server does not support this version of this extension, multi-monitor support will not function and only a single, desktop-spanning monitor will be reported.

It seems the first step is to remove your xorg.conf file so XRandR can manage the screens.