From b70df7607c5cfb908bc2c29ad45cba817a33f56b Mon Sep 17 00:00:00 2001
From: Palana <palana@stunned.de>
Date: Tue, 31 Dec 2013 18:46:19 +0100
Subject: [PATCH] synchronize opengl context access on osx between threads

---
 libobs-opengl/gl-cocoa.m | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libobs-opengl/gl-cocoa.m b/libobs-opengl/gl-cocoa.m
index 5ccabb04e..143fb2b02 100644
--- a/libobs-opengl/gl-cocoa.m
+++ b/libobs-opengl/gl-cocoa.m
@@ -227,12 +227,14 @@ void gl_update(device_t device)
 
 void device_entercontext(device_t device)
 {
+	CGLLockContext([device->plat->context CGLContextObj]);
 	[device->plat->context makeCurrentContext];
 }
 
 void device_leavecontext(device_t device)
 {
 	[NSOpenGLContext clearCurrentContext];
+	CGLUnlockContext([device->plat->context CGLContextObj]);
 }
 
 void device_load_swapchain(device_t device, swapchain_t swap)