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openwrt-docker/src/display.sh
T
Kroese 8ffc3bf842 feat: GPU passthrough
* feat: GPU passthrough
2023-12-16 08:17:53 +01:00

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#!/usr/bin/env bash
set -Eeuo pipefail
# Docker environment variables
: ${GPU:='N'} # GPU passthrough
: ${DISPLAY:='none'} # Display type
case "${DISPLAY,,}" in
vnc)
if [[ "$GPU" != [Yy1]* ]] || [[ "$ARCH" != "amd64" ]]; then
DISPLAY_OPTS="-nographic -vga std -vnc :0"
else
DISPLAY_OPTS="-vga std -vnc :0"
fi
;;
*)
if [[ "$GPU" != [Yy1]* ]] || [[ "$ARCH" != "amd64" ]]; then
DISPLAY_OPTS="-nographic -display none"
else
DISPLAY_OPTS=""
fi
;;
esac
if [[ "$GPU" != [Yy1]* ]] || [[ "$ARCH" != "amd64" ]]; then
return 0
fi
DISPLAY_OPTS="$DISPLAY_OPTS -display egl-headless,rendernode=/dev/dri/renderD128"
DISPLAY_OPTS="$DISPLAY_OPTS -device virtio-vga,id=video0,max_outputs=1,bus=pcie.0,addr=0x1"
[ ! -d /dev/dri ] && mkdir -m 755 /dev/dri
if [ ! -c /dev/dri/card0 ]; then
mknod /dev/dri/card0 c 226 0
fi
if [ ! -c /dev/dri/renderD128 ]; then
mknod /dev/dri/renderD128 c 226 128
fi
chmod 666 /dev/dri/card0
chmod 666 /dev/dri/renderD128
addPackage "xserver-xorg-video-intel" "Intel GPU drivers"
addPackage "qemu-system-modules-opengl" "OpenGL module"
return 0