From 961ac4d79eda230722d270bbf46f1545b324d0c8 Mon Sep 17 00:00:00 2001
From: Deve <deveee@gmail.com>
Date: Sun, 14 May 2017 00:06:54 +0200
Subject: [PATCH] Better fix for glew

---
 lib/glew/src/glew.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/glew/src/glew.c b/lib/glew/src/glew.c
index 0e035f1320f..a78f14e1ee5 100644
--- a/lib/glew/src/glew.c
+++ b/lib/glew/src/glew.c
@@ -14064,8 +14064,11 @@ GLenum glxewContextInit (GLXEW_CONTEXT_ARG_DEF_LIST)
   GLXEW_VERSION_1_2 = GL_TRUE;
   GLXEW_VERSION_1_3 = GL_TRUE;
   GLXEW_VERSION_1_4 = GL_TRUE;
+  /* Check if GLX display is available */
+  if (glXGetCurrentDisplay == NULL || glXGetCurrentDisplay() == NULL)
+    return GLEW_OK;
   /* query GLX version */
-/*  glXQueryVersion(glXGetCurrentDisplay(), &major, &minor);
+  glXQueryVersion(glXGetCurrentDisplay(), &major, &minor);
   if (major == 1 && minor <= 3)
   {
     switch (minor)
@@ -14081,7 +14084,7 @@ GLenum glxewContextInit (GLXEW_CONTEXT_ARG_DEF_LIST)
       return GLEW_ERROR_GLX_VERSION_11_ONLY;
       break;
     }
-  }*/
+  }
   /* query GLX extension string */
   extStart = 0;
   if (glXGetCurrentDisplay != NULL)