ui/vnc: disable adaptive update calculations if not needed
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/ui/vnc.c b/ui/vnc.c
index 25e4380..9c84b3e 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -3150,7 +3150,9 @@
acl = 1;
#endif
} else if (strncmp(options, "lossy", 5) == 0) {
+#ifdef CONFIG_VNC_JPEG
vs->lossy = true;
+#endif
} else if (strncmp(options, "non-adaptive", 12) == 0) {
vs->non_adaptive = true;
} else if (strncmp(options, "share=", 6) == 0) {
@@ -3167,6 +3169,13 @@
}
}
+ /* adaptive updates are only used with tight encoding and
+ * if lossy updates are enabled so we can disable all the
+ * calculations otherwise */
+ if (!vs->lossy) {
+ vs->non_adaptive = true;
+ }
+
#ifdef CONFIG_VNC_TLS
if (acl && x509 && vs->tls.x509verify) {
if (!(vs->tls.acl = qemu_acl_init("vnc.x509dname"))) {
