From 3deae92a6fe1c2634410fb34a552b7f39fd1adb9 Mon Sep 17 00:00:00 2001
From: Ken Thomases <ken@codeweavers.com>
Date: Wed, 11 Mar 2020 14:55:53 -0500
Subject: [PATCH] winemac: Only call -[NSOpenGLContext update] from the main
 thread.

Signed-off-by: Ken Thomases <ken@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
---
 dlls/winemac.drv/cocoa_opengl.m | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/winemac.drv/cocoa_opengl.m b/dlls/winemac.drv/cocoa_opengl.m
index e60b0b388b8..80a766cbda5 100644
--- a/dlls/winemac.drv/cocoa_opengl.m
+++ b/dlls/winemac.drv/cocoa_opengl.m
@@ -359,8 +359,9 @@ void macdrv_update_opengl_context(macdrv_opengl_context c)
                 [context clearDrawableLeavingSurfaceOnScreen];
                 context.view = view;
             }
-            else
+            else OnMainThread(^{
                 [context update];
+            });
             [context resetSurfaceIfBackingSizeChanged];
         }
     }