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diff --git a/nx-X11/extras/Mesa/include/GL/svgamesa.h b/nx-X11/extras/Mesa/include/GL/svgamesa.h
new file mode 100644
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+++ b/nx-X11/extras/Mesa/include/GL/svgamesa.h
@@ -0,0 +1,97 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  4.0
+ * Copyright (C) 1995-2001  Brian Paul
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+/*
+ * SVGA/Mesa interface for Linux.
+ */
+
+
+/*
+ * Intro to using the VGA/Mesa interface
+ *
+ * 1. #include the <vga.h> file
+ * 2. Call vga_init() to initialize the SVGA library.
+ * 3. Call vga_setmode() to specify the screen size and color depth.
+ * 4. Call SVGAMesaCreateContext() to setup a Mesa context.  If using 8-bit
+ *    color Mesa assumes color index mode, if using 16-bit or deeper color
+ *    Mesa assumes RGB mode.
+ * 5. Call SVGAMesaMakeCurrent() to activate the Mesa context.
+ * 6. You can now use the Mesa API functions.
+ * 7. Before exiting, call SVGAMesaDestroyContext() then vga_setmode(TEXT)
+ *    to restore the original text screen.
+ *
+ * Notes
+ * 1. You must run your executable as root (or use the set UID-bit) because
+ *    the SVGA library requires it.
+ * 2. The SVGA driver is not fully implemented yet.  See svgamesa.c for what
+ *    has to be done yet.
+ */
+
+
+#ifndef SVGAMESA_H
+#define SVGAMESA_H
+
+
+#define SVGAMESA_MAJOR_VERSION 4
+#define SVGAMESA_MINOR_VERSION 0
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#include "GL/gl.h"
+
+
+
+/*
+ * This is the SVGAMesa context 'handle':
+ */
+typedef struct svgamesa_context *SVGAMesaContext;
+
+
+
+/*
+ * doubleBuffer flag new in version 2.4
+ */
+extern int SVGAMesaInit( int GraphMode );
+
+extern int SVGAMesaClose( void );
+
+extern SVGAMesaContext SVGAMesaCreateContext( GLboolean doubleBuffer );
+
+extern void SVGAMesaDestroyContext( SVGAMesaContext ctx );
+
+extern void SVGAMesaMakeCurrent( SVGAMesaContext ctx );
+
+extern void SVGAMesaSwapBuffers( void );
+
+extern void SVGAMesaSetCI(int ndx, GLubyte red, GLubyte green, GLubyte blue);
+
+extern SVGAMesaContext SVGAMesaGetCurrentContext( void );
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif