use smarter configuration defaults

scripts/setup_default_envs.sh

@@ -1,22 +1,5 @@
 #!/bin/sh
 
-# Configure how hardware acceleration is set up.
-# NODE — automatically regenerates device nodes using mknod
-# GROUP — Adds user 1000 to the existing group mounted in.
-export DRI_DEVICE_MODE="${DRI_DEVICE_MODE:-"NONE"}"
-export UINPUT_DEVICE_MODE="${UINPUT_DEVICE_MODE:-"NONE"}"
-
-# Enable or disable hardware acceleration
-export DISABLE_HW_ACCEL="${DISABLE_HW_ACCEL:-"true"}"
-# Tell FFMPEG to use Hardware Acceleration
-export FFMPEG_HARDWARE="${FFMPEG_HARDWARE:-"1"}"
-
-export DEV_DRI_PATH="${DEV_DRI_PATH:-"/dev/dri/"}"
-export HOSTDEV_DRI_PATH="${HOSTDEV_DRI_PATH:-"/dev/host-dri/"}"
-
-export DEV_UINPUT_PATH="${DEV_UINPUT_PATH:-"/dev/uinput"}"
-export HOSTDEV_UINPUT_PATH="${HOSTDEV_UINPUT_PATH:-"/dev/host-uinput"}"
-
 # Configure Displays and Audio for guest applications
 export WAYLAND_DISPLAY="${WAYLAND_DISPLAY:-"wayland-1"}"
 export DISPLAY="${DISPLAY:-":0"}"
@@ -28,10 +11,58 @@ export PULSE_SERVER="${PULSE_SERVER:-"unix:/tmp/pulse/pulse-socket"}"
 export WLR_NO_HARDWARE_CURSORS="${WLR_NO_HARDWARE_CURSORS:-"1"}"
 # Configure Xwayland for X11 apps
 export WLR_XWAYLAND="${WLR_XWAYLAND:-"/etc/sway/Xwayland"}"
-# Vulkan didn't work for us
-export WLR_RENDERER="${WLR_RENDERER:-"gles2"}"
-# Necessary for docker
+# Necessary for docker to run in headless mode
 export WLR_BACKENDS="${WLR_BACKENDS:-"headless"}"
-
 # Default the resolution
 export RESOLUTION="${RESOLUTION:-"1280x720"}"
+
+# Configure how hardware acceleration is set up.
+# MKNOD — automatically regenerates device nodes using mknod
+# GROUP — Adds user 1000 to the existing group mounted in.
+
+# Configure hardware device paths
+export DEV_DRI_PATH="${DEV_DRI_PATH:-"/dev/dri/"}"
+export HOSTDEV_DRI_PATH="${HOSTDEV_DRI_PATH:-"/dev/host-dri/"}"
+
+if [ -d /dev/host-dri ]; then
+  # We have hardware acceleration, we just need to make the nodes
+  export DRI_DEVICE_MODE="${DRI_DEVICE_MODE:-"MKNOD"}"
+  export DISABLE_HW_ACCEL="${DISABLE_HW_ACCEL:-"false"}"
+  export FFMPEG_HARDWARE="${FFMPEG_HARDWARE:-"1"}"
+elif [ -d /dev/dri ]; then
+  # We have hardware acceleration, we just need to add permissions
+  export DRI_DEVICE_MODE="${DRI_DEVICE_MODE:-"GROUP"}"
+  export DISABLE_HW_ACCEL="${DISABLE_HW_ACCEL:-"false"}"
+  export FFMPEG_HARDWARE="${FFMPEG_HARDWARE:-"1"}"
+else
+  # We do not have hardware acceleration. We should default disable it.
+  export DRI_DEVICE_MODE="${DRI_DEVICE_MODE:-"NONE"}"
+  export DISABLE_HW_ACCEL="${DISABLE_HW_ACCEL:-"true"}"
+  export FFMPEG_HARDWARE="${FFMPEG_HARDWARE:-"0"}"
+fi
+
+if [ $DISABLE_HW_ACCEL = "true" ]; then
+  export WLR_RENDERER="${WLR_RENDERER:-"pixman"}"
+else
+  # Vulkan didn't work for us, so we default to GLES2
+  export WLR_RENDERER="${WLR_RENDERER:-"gles2"}"
+fi
+
+# Configure how gamepads are set up.
+# MKNOD — automatically regenerates device nodes using mknod
+# GROUP — Adds user 1000 to the existing group mounted in.
+
+# Configure uinput paths
+export DEV_UINPUT_PATH="${DEV_UINPUT_PATH:-"/dev/uinput"}"
+export HOSTDEV_UINPUT_PATH="${HOSTDEV_UINPUT_PATH:-"/dev/host-uinput"}"
+
+if [ -e /dev/host-uinput ]; then
+  # We can create gamepads, we just need to make the nodes
+  export UINPUT_DEVICE_MODE="${UINPUT_DEVICE_MODE:-"MKNOD"}"
+elif [ -e /dev/uinput ]; then
+  # We can create gamepads, we just need to add permissions
+  export UINPUT_DEVICE_MODE="${UINPUT_DEVICE_MODE:-"GROUP"}"
+else
+  # We do not have gamepad support. We should default disable it.
+  export UINPUT_DEVICE_MODE="${UINPUT_DEVICE_MODE:-"NONE"}"
+fi