From 77b9ec8cd6079bb4602f002a4a25003b551ab46b Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Wed, 10 Oct 2012 12:46:14 +0200
Subject: [PATCH] user32: Don't use the window surface when the pixel format
 was set.

---
 dlls/user32/painting.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/user32/painting.c b/dlls/user32/painting.c
index 2a634fbe7cf..7d106bbcffd 100644
--- a/dlls/user32/painting.c
+++ b/dlls/user32/painting.c
@@ -165,7 +165,8 @@ static void update_visible_region( struct dce *dce )
 
     if ((win = WIN_GetPtr( top_win )) && win != WND_DESKTOP && win != WND_OTHER_PROCESS)
     {
-        surface = win->surface;
+        /* don't use a surface to paint the client area of OpenGL windows */
+        if (!win->pixel_format || (flags & DCX_WINDOW)) surface = win->surface;
         if (surface) window_surface_add_ref( surface );
         WIN_ReleasePtr( win );
     }
-- 
2.11.4.GIT