#!/bin/sh

# Some distro requires that the absolute path is given when invoking lspci
# e.g. /sbin/lspci if the user is not root.
gpu=$(lspci | grep -i '.* VGA .* .*')

shopt -s nocasematch

if [[ $gpu == *' NVIDIA '* ]]; then
cat << EOF > /etc/X11/xorg.conf.d/20-nvidia.conf
Section "Device"
	Identifier "NVIDIA"
	Driver "nouveau"
	Option "DRI" "3"
	Option "TearFree" "true"
EndSection

EOF
	if [ -f /var/log/packages/xf86-video-nouveau-blacklist-1.0-noarch-1 ]; then
		spkg -d xf86-video-nouveau-blacklist
		modprobe nouveau
	fi
elif [[ $gpu == *' AMD '* ]]; then
cat << EOF > /etc/X11/xorg.conf.d/20-amdgpu.conf
Section "Device"
	Identifier "AMD"
	Driver "amdgpu"
	Option "TearFree" "true"
EndSection

EOF
elif [[ $gpu == *' Intel '* ]]; then
cat << EOF > /etc/X11/xorg.conf.d/20-intel.conf
Section "Device"
    Identifier  "Intel Graphics" 
    Driver      "intel"
    Option      "Backlight"  "intel_backlight"
EndSection

EOF
elif [[ $gpu == *' Radeon '* ]]; then
cat << EOF > /etc/X11/xorg.conf.d/20-radeon.conf
Section "Device"
	Identifier "Radeon"
	Driver "radeon"
	Option "DRI" "3"
	Option "TearFree" "true"
EndSection

EOF
elif [[ $gpu == *' ATI '* ]]; then
cat << EOF > /etc/X11/xorg.conf.d/20-ati.conf
Section "Device"
	Identifier "Radeon"
	Driver "ati"
	Option "DRI" "3"
	Option "TearFree" "true"
EndSection

EOF
fi