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diff --git a/nx-X11/extras/Mesa/include/GL/dmesa.h b/nx-X11/extras/Mesa/include/GL/dmesa.h
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+++ b/nx-X11/extras/Mesa/include/GL/dmesa.h
@@ -0,0 +1,160 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.1
+ * 
+ * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * DOS/DJGPP device driver v1.7 for Mesa
+ *
+ *  Copyright (C) 2002 - Daniel Borca
+ *  Email : dborca@users.sourceforge.net
+ *  Web   : http://www.geocities.com/dborca
+ */
+
+
+#ifndef DMESA_H_included
+#define DMESA_H_included
+
+#define DMESA_MAJOR_VERSION 6
+#define DMESA_MINOR_VERSION 3
+
+/* Sample Usage:
+ *
+ * 1. Call DMesaCreateVisual() to initialize graphics.
+ * 2. Call DMesaCreateContext() to create a DMesa rendering context.
+ * 3. Call DMesaCreateBuffer() to define the window.
+ * 4. Call DMesaMakeCurrent() to bind the DMesaBuffer to a DMesaContext.
+ * 5. Make gl* calls to render your graphics.
+ * 6. Use DMesaSwapBuffers() when double buffering to swap front/back buffers.
+ * 7. Before exiting, destroy DMesaBuffer, DMesaContext and DMesaVisual.
+ */
+
+typedef struct dmesa_context *DMesaContext;
+typedef struct dmesa_visual *DMesaVisual;
+typedef struct dmesa_buffer *DMesaBuffer;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Create a new Visual and set graphics mode.
+ */
+DMesaVisual DMesaCreateVisual (GLint width,        /* X res */
+                               GLint height,       /* Y res */
+                               GLint colDepth,     /* BPP */
+                               GLint refresh,      /* refresh rate: 0=default */
+                               GLboolean dbFlag,   /* double-buffered */
+                               GLboolean rgbFlag,  /* RGB mode */
+                               GLint alphaSize,    /* requested bits/alpha */
+                               GLint depthSize,    /* requested bits/depth */
+                               GLint stencilSize,  /* requested bits/stencil */
+                               GLint accumSize);   /* requested bits/accum */
+
+/*
+ * Destroy Visual and restore screen.
+ */
+void DMesaDestroyVisual (DMesaVisual v);
+
+
+
+/*
+ * Create a new Context for rendering.
+ */
+DMesaContext DMesaCreateContext (DMesaVisual visual, DMesaContext share);
+
+/*
+ * Destroy Context.
+ */
+void DMesaDestroyContext (DMesaContext c);
+
+/*
+ * Return a handle to the current context.
+ */
+DMesaContext DMesaGetCurrentContext (void);
+
+
+
+/*
+ * Create a new Buffer (window).
+ */
+DMesaBuffer DMesaCreateBuffer (DMesaVisual visual,
+                               GLint xpos, GLint ypos,
+                               GLint width, GLint height);
+
+/*
+ * Destroy Buffer.
+ */
+void DMesaDestroyBuffer (DMesaBuffer b);
+
+/*
+ * Return a handle to the current buffer.
+ */
+DMesaBuffer DMesaGetCurrentBuffer (void);
+
+/*
+ * Swap the front and back buffers for the given Buffer.
+ * No action is taken if the buffer is not double buffered.
+ */
+void DMesaSwapBuffers (DMesaBuffer b);
+
+/*
+ * Bind Buffer to Context and make the Context the current one.
+ */
+GLboolean DMesaMakeCurrent (DMesaContext c, DMesaBuffer b);
+
+
+
+/*
+ * Move/Resize current Buffer.
+ */
+GLboolean DMesaMoveBuffer (GLint xpos, GLint ypos);
+GLboolean DMesaResizeBuffer (GLint width, GLint height);
+
+/*
+ * Set palette index, using normalized values.
+ */
+void DMesaSetCI (int ndx, GLfloat red, GLfloat green, GLfloat blue);
+
+/*
+ * DMesa functions
+ */
+typedef void (*DMesaProc) (void);
+DMesaProc DMesaGetProcAddress (const char *name);
+
+/*
+ * DMesa state retrieval.
+ */
+#define DMESA_GET_SCREEN_SIZE 0x0100
+#define DMESA_GET_DRIVER_CAPS 0x0200
+#define DMESA_GET_VIDEO_MODES 0x0300
+#define DMESA_GET_BUFFER_ADDR 0x0400
+
+#define DMESA_DRIVER_SWDB_BIT 0x1 /* software double-buffered */
+#define DMESA_DRIVER_LLWO_BIT 0x2 /* lower-left window origin */
+int DMesaGetIntegerv (GLenum pname, GLint *params);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif