xrandr posicionamento telas

personalxrandr.sh

#!/usr/bin/bash

set -euo pipefail

# ----------------------------------------------------------------------------------------
# https://man.archlinux.org/man/xrandr.1
# https://wiki.ubuntu.com/X/Config/Resolution

CLIPS_DIR=~/clips
# ASUS TUF (MAIN) DISPLAY POS
ASUS_TUF_POS=2560x2160

# SAMSUNG - DISPLAY POS
# Se quisermos alinhar o eixo Y do ASUS com eixo Y do monitor de cima:
# Como os dois tem resoluções (largura em pixels nesse caso) diferentes, temos de saber a diferença entre eles, então:
# SAMSUNG_WIDTH=3840; ASUS_WIDTH=1920; DIFF=(SAMSUNG_WIDTH - ASUS_WIDTH) -> 1920
# SHIFT=(1920/2) -> 960
# SHIFT=2560-SHIFT -> 1600 # essa será a posição inicial no eixo Y do SAMSUNG se quiséssemos alinhar os eixos Y de cada monitor
SAMSUNG_POS=2068x0
LG_WIDE_POS=0x2160

function enable_all_monitors() {
  xrandr --auto \
    --output DisplayPort-0 --primary --mode 1920x1080 --rate 144 --pos $ASUS_TUF_POS \
    --output HDMI-A-0 --mode 3840x2160 --rate 60 --pos $SAMSUNG_POS \
    --output DisplayPort-1 --mode 2560x1080 --rate 75 --pos $LG_WIDE_POS
}

function enable_game_monitor_only() {
  # enable just one monitor (cause VRR issues on Xorg)
  xrandr --output HDMI-A-0 --off --output DisplayPort-1 --off --output DisplayPort-0 --primary --mode 1920x1080 --rate 144
}

function enable_screen_recorder() {
  # examples: https://git.dec05eba.com/gpu-screen-recorder/tree/scripts

  MONITOR="DisplayPort-0" # or: $__GL_SYNC_DISPLAY_DEVICE
  DEFAULT_AUDIO_OUTPUT=$(pactl get-default-sink)
  DEFAULT_AUDIO_INPUT=$(pactl get-default-source)

  gpu-screen-recorder -o $CLIPS_DIR -c mp4 -f 60 -r 15 -w "$MONITOR" -a "$DEFAULT_AUDIO_OUTPUT.monitor|$DEFAULT_AUDIO_INPUT"
}




###############################################################################
# Bootstrap
###############################################################################

# usage:
# all monitors on: this_script_name.sh
# just main monitor on: this_script_name.sh gamemode
# just main monitor on + replay mode: this_script_name.sh gamemode replay

# values: 0, 1
MODE=${1:-""}
# values: replay
REPLAY_ENABLED=${2:-""}


if [ "$MODE" = "gamemode" ]; then
  enable_game_monitor_only

  if [ "$REPLAY_ENABLED" = "replay" ]; then
    enable_screen_recorder
  fi
else
  enable_all_monitors
fi