# Initialization
#
# PUBLIC at `http://reluk.ca/sys/computer/workstation/etc/` — for no particular reason.


    Section "Extensions"
        Option "Composite" "false" # ‘Else the Nvidia driver says, ‘The Composite and Xinerama extensions
          # are both enabled, which is an unsupported configuration’.
        EndSection



    Section "ServerFlags"
      # Option "AllowMouseOpenFail" "true"
      #   # In case the mouse is new, or otherwise needs to be configured by trial and error.
      ## pending need
        Option "BlankTime" "0" # Not to suddenly blank my screens.
        Option "DefaultServerLayout" "6-screen"
        Option "DontZoom" "true" # Do not capture keypad `Ctrl Alt -` and `+` for ‘zoom’ control.
        Option "Xinerama" "true"
          # I configure multiple X screens across multiple video cards and processors, and use
          # Xinerama to combine them into a single virtual screen. [MXS]
          #
          # RandR might be an alternative [RVS].  I would want instructions on making it work across
          # multiple video cards; what CaptainCrutches sought and failed to find [CC].
          # But Web searches have revealed some promising hits [RRX].
          #
          # Nvidia’s TwinView might also be an alternative; less robust because it would tie me
          # to Nvidia.  Again, I would have to verify that it works across multiple video cards.
        EndSection


# NOTES
# ─────
#   CC · https://www.reddit.com/r/linuxquestions/comments/1gp4gk/multi_gpus_and_xrandr_possible_or_not/
#
#   MXS  Multiple X screens, configured as instructed for Nouveau.
#        https://nouveau.freedesktop.org/MultiMonitorDesktop.html
#
#   RRX  RandR as a replacement for Xinerama.  https://superuser.com/a/960335/920286
#
#        ‘Since randr version 1.5, it has been possible to combine monitors into one virtual display.
#        This is an updated version of what was possible with Xinerama’.
#        https://wiki.archlinux.org/title/Multihead#RandR
#
#   RVS  RandR virtual screen.
#        https://wiki.archlinux.org/index.php/multihead#Combine_screens_into_virtual_display