Update to Debian 13 and enable vulkan

Dockerfile.template

@@ -1,4 +1,4 @@
-FROM node:20.19.2-bookworm
+FROM node:20.19.5-trixie
 
 ENV DEBIAN_FRONTEND=noninteractive
 

build/install_chromium

@@ -24,23 +24,19 @@ then
 
     cp -a "${BASE_DIR}/rpi/raspi.list" "/etc/apt/sources.list.d/"
     cp -a "${BASE_DIR}/rpi/raspberrypi-archive-stable.gpg" "/etc/apt/trusted.gpg.d/"
-
-    # The RPi-patched chromium package is called chromium-browser
-    CHROMIUM_PACKAGE="chromium-browser"
-else
-    echo "Defaulting to vanilla chromium"
-    # The node library launches /usr/bin/chromium-browser
-    # which is not provided by the upstream package
-    ln -s /usr/bin/chromium /usr/bin/chromium-browser
 fi
 
+# The node library launches /usr/bin/chromium-browser
+# which is not provided by the upstream package
+ln -sf /usr/bin/chromium /usr/bin/chromium-browser
+
 # mimic previous balenalib "install_packages" behavior:
 apt-get update && apt-get install -y  --no-install-recommends \
     ${CHROMIUM_PACKAGE} \
     chromium-common \
-    libgles2-mesa \
     lsb-release \
     mesa-vdpau-drivers \
+    mesa-vulkan-drivers \
     scrot \
     x11-xserver-utils \
     xserver-xorg-input-evdev \

build/rpi/raspi.list

@@ -1,3 +1,3 @@
-deb http://archive.raspberrypi.com/debian/ bookworm main
+deb http://archive.raspberrypi.com/debian/ trixie main
 # Uncomment line below then 'apt-get update' to enable 'apt-get source'
-#deb-src http://archive.raspberrypi.com/debian/ bookworm main
+#deb-src http://archive.raspberrypi.com/debian/ trixie main

src/server.js

@@ -139,6 +139,7 @@ let launchChromium = async function(url) {
           '--num-raster-threads=4',
           '--ignore-gpu-blocklist',
           '--enable-gpu-rasterization',
+          '--enable-features=Vulkan',
         ];
 
         flags = flags.concat(gpuFlags);