From 700eb16af8d490defca39fb5a787ac452f19b792 Mon Sep 17 00:00:00 2001
From: Matthew Waters <matthew@centricular.com>
Date: Fri, 22 Jan 2016 14:34:06 +1100
Subject: [PATCH] vulkan/xcb: flush after mapping the window

Otherwise the map may not reach the server and not appear.
---
 ext/vulkan/xcb/vkwindow_xcb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ext/vulkan/xcb/vkwindow_xcb.c b/ext/vulkan/xcb/vkwindow_xcb.c
index 686c715446..a99f5809a1 100644
--- a/ext/vulkan/xcb/vkwindow_xcb.c
+++ b/ext/vulkan/xcb/vkwindow_xcb.c
@@ -132,6 +132,7 @@ gst_vulkan_window_xcb_show (GstVulkanWindow * window)
 
   if (!window_xcb->visible) {
     xcb_map_window (connection, window_xcb->win_id);
+    xcb_flush (connection);
     window_xcb->visible = TRUE;
   }
 }