Do not enable SPICE when GTK or SDL are the selected display. Fixes #466

QEMU 7.0 introduces a change/regression where it is not possible to use GL accerlation via GTK/SDL displays and also bring up SPICE: https://gitlab.com/qemu-project/qemu/-/issues/1036

This patch prevents Quickemu from bringing up SPICE when GTK or SDK are selected as the display.

quickemu

@@ -806,7 +806,14 @@ function vm_boot() {
     done
   fi
 
+  if [ "${OUTPUT}" == "none" ] || [ "${OUTPUT}" == "spice" ] || [ "${OUTPUT}" == "spice-app" ]; then
     local SPICE="disable-ticketing=on"
+    # gl=on can be use with 'spice' too, but only over local connections (not tcp ports)
+    if [ "${OUTPUT}" == "spice-app" ]; then
+      SPICE+=",gl=${gl}"
+    fi
+
+    # TODO: Don't use ports so local-only connections can be used with gl=on
     if [ -z "${SPICE_PORT}" ]; then
       # Find a free port for spice
       SPICE_PORT=$(get_port 5930 9)
@@ -830,19 +837,22 @@ function vm_boot() {
         echo "${FULLSPICY}"
         SPICE="${SPICE},port=${SPICE_PORT},addr=127.0.0.1"
       fi
+    fi
+  fi
 
   if [ -n "${PUBLIC}" ]; then
     case ${guest_os} in
       macos)
+        if [ "${OUTPUT}" == "none" ] || [ "${OUTPUT}" == "spice" ] || [ "${OUTPUT}" == "spice-app" ]; then
           # Reference: https://gitlab.gnome.org/GNOME/phodav/-/issues/5
           echo " - WebDAV:   On guest: build spice-webdavd (https://gitlab.gnome.org/GNOME/phodav/-/merge_requests/24)"
           echo " - WebDAV:   On guest: Finder -> Connect to Server -> http://localhost:9843/"
+        fi
         ;;
       *)
         echo " - WebDAV:   On guest: dav://localhost:9843/";;
     esac
   fi
-  fi
 
   if [ "${guest_os}" != "windows" ] && [ -n "${PUBLIC}" ]; then
     echo -n " - 9P:       On guest: "
@@ -896,16 +906,21 @@ function vm_boot() {
          ${VIDEO} -display ${DISPLAY_RENDER}
          -audiodev ${AUDIO_DEV}
          -device intel-hda -device hda-duplex,audiodev=audio0
-         -rtc base=localtime,clock=host,driftfix=slew
-         -spice ${SPICE}
+         -rtc base=localtime,clock=host,driftfix=slew)
+
+  # Only enable SPICE is using SPICE display
+  if [ "${OUTPUT}" == "none" ] || [ "${OUTPUT}" == "spice" ] || [ "${OUTPUT}" == "spice-app" ]; then
+    args+=(-spice ${SPICE}
            -device virtio-serial-pci
            -chardev socket,id=agent0,path="${VMDIR}/${VMNAME}-agent.sock",server=on,wait=off
            -device virtserialport,chardev=agent0,name=org.qemu.guest_agent.0
            -chardev spicevmc,id=vdagent0,name=vdagent
            -device virtserialport,chardev=vdagent0,name=com.redhat.spice.0
            -chardev spiceport,id=webdav0,name=org.spice-space.webdav.0
-         -device virtserialport,chardev=webdav0,name=org.spice-space.webdav.0
-         -device virtio-rng-pci,rng=rng0
+           -device virtserialport,chardev=webdav0,name=org.spice-space.webdav.0)
+  fi
+
+  args+=(-device virtio-rng-pci,rng=rng0
          -object rng-random,id=rng0,filename=/dev/urandom
          -device ${USB_HOST_PASSTHROUGH_CONTROLLER},id=spicepass
          -chardev spicevmc,id=usbredirchardev1,name=usbredir