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Ensure only one scanout is present. Ref #222

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Run QEMU with '-vga none' to avoid having two scanouts, one for VGA and another for virtio-vga-gl.

 - Workaround for a GTK assertion failure in gtk_widget_get_realized().
 - Allows seamless mouse in macOS when using the qxl-vga device.
 - Enables sane default resolutions in all support macOS versions.
This commit is contained in:
Martin Wimpress 2022-08-19 17:33:50 +01:00
parent 2071816ede
commit 9b5a6a44ac
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GPG Key ID: 61DF940515E06DA3
1 changed files with 12 additions and 7 deletions
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@ -234,6 +234,7 @@ function vm_boot() {
local OSK=""
local SMM="${SMM:-off}"
local USB_HOST_PASSTHROUGH_CONTROLLER="qemu-xhci"
local VGA=""
local VIDEO=""
KERNEL_NAME=$(uname --kernel-name)
@ -707,12 +708,9 @@ function vm_boot() {
*) DISPLAY_DEVICE="virtio-vga";;
esac
elif [ "${guest_os}" == "macos" ]; then
# Displays in System Preferences can be used to select a resolution if:
# - Mojave only offers 4:3 resolutions
# - High Sierra will run at the default 1920x1080 only.
# QXL prevents seamless mouse working with a SPICE client
# - https://github.com/wimpysworld/quickemu/issues/222
DISPLAY_DEVICE="VGA"
# qxl-vga supports seamless mouse and sane resolutions if only one scanout
# is used. Which is whay '-vga none' is added to the QEMU command line.
DISPLAY_DEVICE="qxl-vga"
elif [ "${guest_os}" == "windows" ]; then
DISPLAY_DEVICE="qxl-vga"
else
@ -775,8 +773,15 @@ function vm_boot() {
VIDEO="${VIDEO},max_outputs=${max_outputs}"
fi
# Run QEMU with '-vga none' to avoid having two scanouts, one for VGA and
# another for virtio-vga-gl. This works around a GTK assertion failure and
# allows seamless mouse in macOS when using the qxl-vga device.
# https://www.collabora.com/news-and-blog/blog/2021/11/26/venus-on-qemu-enabling-new-virtual-vulkan-driver/
# https://github.com/quickemu-project/quickemu/issues/222
VGA="-vga none"
# Add fullscreen options
VIDEO="${VIDEO} ${FULLSCREEN}"
VIDEO="${VGA} ${VIDEO} ${FULLSCREEN}"
# Set the hostname of the VM
local NET="user,hostname=${VMNAME}"