#25 add support for larger monitors than 8k

Author: thelamer

README.md

@@ -41,6 +41,7 @@ All application settings are passed via environment variables:
 | DISABLE_ZINK | Do not set the Zink environment variables if a video card is detected (userspace applications will use CPU rendering) |
 | WATERMARK_PNG | Full path inside the container to a watermark png IE `/usr/share/selkies/www/icon.png` |
 | WATERMARK_LOCATION | Where to paint the image over the stream integer options below |
+| MAX_RES | Pass a larger maximum resolution for the container default is 8k `7680x4320` |
 
 * 1 - Top Left
 * 2 - Top Right

readme-vars.yml

@@ -45,6 +45,7 @@ full_custom_readme: |
   | DISABLE_ZINK | Do not set the Zink environment variables if a video card is detected (userspace applications will use CPU rendering) |
   | WATERMARK_PNG | Full path inside the container to a watermark png IE `/usr/share/selkies/www/icon.png` |
   | WATERMARK_LOCATION | Where to paint the image over the stream integer options below |
+  | MAX_RES | Pass a larger maximum resolution for the container default is 8k `7680x4320` |
 
   * 1 - Top Left
   * 2 - Top Right

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

@@ -8,12 +8,16 @@ fi
 if [ ! -z ${DRINODE+x} ]; then
   VFBCOMMAND="-vfbdevice ${DRINODE}"
 fi
+DEFAULT_RES="7680x4320"
+if [ ! -z ${MAX_RES+x} ]; then
+  DEFAULT_RES="${MAX_RES}"
+fi
 
 # Run Xvfb server with required extensions
 exec s6-setuidgid abc \
   /usr/bin/Xvfb \
     "${DISPLAY}" \
-    -screen 0 "7680x4320x${DISPLAY_CDEPTH}" \
+    -screen 0 "${DEFAULT_RES}x${DISPLAY_CDEPTH}" \
     -dpi "${DISPLAY_DPI}" \
     +extension "COMPOSITE" \
     +extension "DAMAGE" \