From 55976e39ef58dcc9f5efe225cbdaebb6ed9dd89f Mon Sep 17 00:00:00 2001
From: Maciej Suminski <maciej.suminski@cern.ch>
Date: Tue, 3 May 2016 16:16:59 +0200
Subject: [PATCH] Fixed crash occuring when a vertex buffer is mapped in
 invalid OpenGL context.

---
 common/gal/opengl/opengl_gal.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/common/gal/opengl/opengl_gal.cpp b/common/gal/opengl/opengl_gal.cpp
index cb658c7a1a..c498535eb8 100644
--- a/common/gal/opengl/opengl_gal.cpp
+++ b/common/gal/opengl/opengl_gal.cpp
@@ -302,6 +302,7 @@ void OPENGL_GAL::EndDrawing()
 
 void OPENGL_GAL::BeginUpdate()
 {
+    SetCurrent( *OPENGL_GAL::glContext );
     cachedManager.Map();
 }