From a542224ea28e2e8ccaf5e0df85bf6c603e97599a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <mdaenzer@redhat.com>
Date: Fri, 7 Feb 2020 12:15:07 +0100
Subject: [PATCH] xwayland: Call glamor_block_handler from
 xwl_screen_post_damage

In between the two phases introduced by the previous change. This makes
sure all pending drawing to the new buffers is flushed before they're
committed to the Wayland server.
---
 hw/xwayland/xwayland-screen.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/hw/xwayland/xwayland-screen.c b/hw/xwayland/xwayland-screen.c
index 428f176d5..74f27d345 100644
--- a/hw/xwayland/xwayland-screen.c
+++ b/hw/xwayland/xwayland-screen.c
@@ -29,6 +29,10 @@
 #include <unistd.h>
 #include <errno.h>
 
+#ifdef XWL_HAS_GLAMOR
+#include <glamor.h>
+#endif
+
 #include <X11/Xatom.h>
 #include <micmap.h>
 #include <misyncshm.h>
@@ -300,6 +304,13 @@ xwl_screen_post_damage(struct xwl_screen *xwl_screen)
     if (xorg_list_is_empty(&commit_window_list))
         return;
 
+#ifdef XWL_HAS_GLAMOR
+    if (xwl_screen->glamor &&
+        xwl_screen->egl_backend == &xwl_screen->gbm_backend) {
+        glamor_block_handler(xwl_screen->screen);
+    }
+#endif
+
     xorg_list_for_each_entry_safe(xwl_window, next_xwl_window,
                                   &commit_window_list, link_damage) {
         wl_surface_commit(xwl_window->surface);