Don't use glDebugMessageCallbackARB if null

2014-03-24 21:47:24 +01:00
parent 73755a3431
commit 72556fddc3
1 changed files with 2 additions and 1 deletions
--- a/src/graphics/glwrap.cpp
+++ b/src/graphics/glwrap.cpp
@@ -202,7 +202,8 @@ void initGL()
 #endif
 #endif
 #ifdef ARB_DEBUG_OUTPUT
-    glDebugMessageCallbackARB((GLDEBUGPROCARB)debugCallback, NULL);
+    if (glDebugMessageCallbackARB)
+        glDebugMessageCallbackARB((GLDEBUGPROCARB)debugCallback, NULL);
 #endif
 }