From 7455f123438b40d02ea38636d1ac1e76d25b7116 Mon Sep 17 00:00:00 2001
From: Anis <anishireche@gmail.com>
Date: Sat, 6 Dec 2014 20:55:43 +0100
Subject: [PATCH] check extension before use it

---
 Engine/source/platformWin32/WinPlatformGL.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Engine/source/platformWin32/WinPlatformGL.cpp b/Engine/source/platformWin32/WinPlatformGL.cpp
index 5413d37b7..a85245ef1 100644
--- a/Engine/source/platformWin32/WinPlatformGL.cpp
+++ b/Engine/source/platformWin32/WinPlatformGL.cpp
@@ -5,7 +5,10 @@
 
 void PlatformGL::setVSync(const int i)
 {
-   wglSwapIntervalEXT( i );
+    if (WGLEW_EXT_swap_control)
+    {
+        wglSwapIntervalEXT(i);
+    }
 }
 
-#endif
\ No newline at end of file
+#endif