# HG changeset patch
# User Jasper St. Pierre <jstpierre@mecheye.net>
# Date 1368551175 14400
# Node ID 21213026a6cd233306f990c43c5a7b6aab4badef
# Parent  3dfec8235a71d4d68c6a938fee3d7ae0f1ea6074
Add support for the _NET_WM_BYPASS_COMPOSITOR hint

This hints to window managers to unredirect the window to improve
performance.

diff -r 3dfec8235a71 -r 21213026a6cd src/video/x11/SDL_x11window.c
--- a/src/video/x11/SDL_x11window.c	Mon May 13 23:00:50 2013 +0200
+++ b/src/video/x11/SDL_x11window.c	Tue May 14 13:06:15 2013 -0400
@@ -532,7 +532,14 @@
                     PropModeReplace,
                     (unsigned char *)&_NET_WM_WINDOW_TYPE_NORMAL, 1);
 
-    
+    {
+        const int _NET_WM_BYPASS_COMPOSITOR_HINT_ON = 1;
+        Atom _NET_WM_BYPASS_COMPOSITOR = XInternAtom(display, "_NET_WM_BYPASS_COMPOSITOR", False);
+        XChangeProperty(display, w, _NET_WM_BYPASS_COMPOSITOR, XA_CARDINAL, 32,
+                        PropModeReplace,
+                        (unsigned char *)&_NET_WM_BYPASS_COMPOSITOR_HINT_ON, 1);
+    }
+
     {
         Atom protocols[] = {
             data->WM_DELETE_WINDOW, /* Allow window to be deleted by the WM */