1 files changed, 69 insertions, 0 deletions
diff --git a/src/engine/external/glfw/lib/x11/x11_glext.c b/src/engine/external/glfw/lib/x11/x11_glext.c
new file mode 100644
index 00000000..242c9eb1
--- /dev/null
+++ b/src/engine/external/glfw/lib/x11/x11_glext.c
@@ -0,0 +1,69 @@
+//========================================================================
+// GLFW - An OpenGL framework
+// File:        x11_glext.c
+// Platform:    X11 (Unix)
+// API version: 2.6
+// WWW:         http://glfw.sourceforge.net
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Camilla Berglund
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//    claim that you wrote the original software. If you use this software
+//    in a product, an acknowledgment in the product documentation would
+//    be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not
+//    be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source
+//    distribution.
+//
+//========================================================================
+
+#include "internal.h"
+
+
+//************************************************************************
+//****               Platform implementation functions                ****
+//************************************************************************
+
+//========================================================================
+// Check if an OpenGL extension is available at runtime
+//========================================================================
+
+int _glfwPlatformExtensionSupported( const char *extension )
+{
+    const GLubyte *extensions;
+
+    // Get list of GLX extensions
+    extensions = (const GLubyte*) glXQueryExtensionsString( _glfwLibrary.Dpy,
+                                                            _glfwWin.Scrn );
+    if( extensions != NULL )
+    {
+        if( _glfwStringInExtensionString( extension, extensions ) )
+        {
+            return GL_TRUE;
+        }
+    }
+
+    return GL_FALSE;
+}
+
+
+//========================================================================
+// Get the function pointer to an OpenGL function
+//========================================================================
+
+void * _glfwPlatformGetProcAddress( const char *procname )
+{
+    return (void *) _glfw_glXGetProcAddress( (const GLubyte *) procname );
+}
+