add dri3 support bookworm

Author: thelamer

Dockerfile

@@ -1,4 +1,5 @@
 # syntax=docker/dockerfile:1
+FROM lscr.io/linuxserver/xvfb:debianbookworm AS xvfb
 FROM ghcr.io/linuxserver/baseimage-alpine:3.21 AS frontend
 
 RUN \
@@ -271,6 +272,7 @@ RUN \
 # add local files
 COPY /root /
 COPY --from=frontend /buildout /usr/share/selkies/www
+COPY --from=xvfb / /
 
 # ports and volumes
 EXPOSE 3000 3001

Dockerfile.aarch64

@@ -1,4 +1,5 @@
 # syntax=docker/dockerfile:1
+FROM lscr.io/linuxserver/xvfb:arm64v8-debianbookworm AS xvfb
 FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.21 AS frontend
 
 RUN \
@@ -269,6 +270,7 @@ RUN \
 # add local files
 COPY /root /
 COPY --from=frontend /buildout /usr/share/selkies/www
+COPY --from=xvfb / /
 
 # ports and volumes
 EXPOSE 3000 3001

root/etc/s6-overlay/s6-rc.d/svc-xorg/run

@@ -1,5 +1,14 @@
 #!/usr/bin/with-contenv bash
 
+# Enable DRI3 support if detected
+VFBCOMMAND=""
+if ! which nvidia-smi && [ -e "/dev/dri/renderD128" ]; then
+  VFBCOMMAND="-vfbdevice /dev/dri/renderD128"
+fi
+if [ ! -z ${DRINODE+x} ]; then
+  VFBCOMMAND="-vfbdevice ${DRINODE}"
+fi
+
 # Run Xvfb server with required extensions
 exec s6-setuidgid abc \
   /usr/bin/Xvfb \
@@ -19,4 +28,5 @@ exec s6-setuidgid abc \
     -nolisten "tcp" \
     -ac \
     -noreset \
-    -shmem
+    -shmem \
+    ${VFBCOMMAND}