From 6f070e39dec2e6d1cc60718cc022b89c9a2b7355 Mon Sep 17 00:00:00 2001
From: Thomas Lamprecht <t.lamprecht@proxmox.com>
Date: Fri, 22 Apr 2022 14:28:09 +0200
Subject: [PATCH] vga: add virtio-gl display type for VIRGL

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
---
 PVE/QemuServer.pm | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 0be6be90..1d176165 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -181,7 +181,7 @@ my $vga_fmt = {
 	default => 'std',
 	optional => 1,
 	default_key => 1,
-	enum => [qw(cirrus qxl qxl2 qxl3 qxl4 none serial0 serial1 serial2 serial3 std virtio vmware)],
+	enum => [qw(cirrus qxl qxl2 qxl3 qxl4 none serial0 serial1 serial2 serial3 std virtio virtio-gl vmware)],
     },
     memory => {
 	description => "Sets the VGA memory (in MiB). Has no effect with serial display.",
@@ -1821,6 +1821,7 @@ my $vga_map = {
     'std' => 'VGA',
     'vmware' => 'vmware-svga',
     'virtio' => 'virtio-vga',
+    'virtio-gl' => 'virtio-vga-gl',
 };
 
 sub print_vga_device {
@@ -1848,7 +1849,7 @@ sub print_vga_device {
 
     my $memory = "";
     if ($vgamem_mb) {
-	if ($vga->{type} eq 'virtio') {
+	if ($vga->{type} =~ /^virtio/) {
 	    my $bytes = PVE::Tools::convert_size($vgamem_mb, "mb" => "b");
 	    $memory = ",max_hostmem=$bytes";
 	} elsif ($qxlnum) {
@@ -3762,6 +3763,9 @@ sub config_to_command {
     if ($vga->{type} && $vga->{type} !~ m/^serial\d+$/ && $vga->{type} ne 'none'){
 	push @$devices, '-device', print_vga_device(
 	    $conf, $vga, $arch, $machine_version, $machine_type, undef, $qxlnum, $bridges);
+
+	push @$cmd, '-display', 'egl-headless,gl=core' if $vga->{type} eq 'virtio-gl'; # VIRGL
+
 	my $socket = PVE::QemuServer::Helpers::vnc_socket($vmid);
 	push @$cmd,  '-vnc', "unix:$socket,password=on";
     } else {