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+#ifndef __GLX_glxint_h__
+#define __GLX_glxint_h__
+
+/* $XFree86: xc/include/GL/glxint.h,v 1.4 2001/08/01 00:44:34 tsi Exp $ */
+/*
+** The contents of this file are subject to the GLX Public License Version 1.0
+** (the "License"). You may not use this file except in compliance with the
+** License. You may obtain a copy of the License at Silicon Graphics, Inc.,
+** attn: Legal Services, 2011 N. Shoreline Blvd., Mountain View, CA 94043
+** or at http://www.sgi.com/software/opensource/glx/license.html.
+**
+** Software distributed under the License is distributed on an "AS IS"
+** basis. ALL WARRANTIES ARE DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY
+** IMPLIED WARRANTIES OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
+** PURPOSE OR OF NON- INFRINGEMENT. See the License for the specific
+** language governing rights and limitations under the License.
+**
+** The Original Software is GLX version 1.2 source code, released February,
+** 1999. The developer of the Original Software is Silicon Graphics, Inc.
+** Those portions of the Subject Software created by Silicon Graphics, Inc.
+** are Copyright (c) 1991-9 Silicon Graphics, Inc. All Rights Reserved.
+**
+** $SGI$
+*/
+
+#include <X11/X.h>
+#include <X11/Xdefs.h>
+
+typedef struct __GLXvisualConfigRec __GLXvisualConfig;
+
+struct __GLXvisualConfigRec {
+    VisualID vid;
+    int class;
+    Bool rgba;
+    int redSize, greenSize, blueSize, alphaSize;
+    unsigned long redMask, greenMask, blueMask, alphaMask;
+    int accumRedSize, accumGreenSize, accumBlueSize, accumAlphaSize;
+    Bool doubleBuffer;
+    Bool stereo;
+    int bufferSize;
+    int depthSize;
+    int stencilSize;
+    int auxBuffers;
+    int level;
+    /* Start of Extended Visual Properties */
+    int visualRating;		/* visual_rating extension */
+    int transparentPixel;	/* visual_info extension */
+				/*    colors are floats scaled to ints */
+    int transparentRed, transparentGreen, transparentBlue, transparentAlpha;
+    int transparentIndex;
+};
+
+#define __GLX_MIN_CONFIG_PROPS	18
+#define __GLX_MAX_CONFIG_PROPS	500
+
+#define __GLX_EXT_CONFIG_PROPS 	7
+
+/*
+** Since we send all non-core visual properties as token, value pairs,
+** we require 2 words across the wire. In order to maintain backwards
+** compatibility, we need to send the total number of words that the
+** VisualConfigs are sent back in so old libraries can simply "ignore"
+** the new properties. 
+*/
+#define __GLX_TOTAL_CONFIG       (__GLX_MIN_CONFIG_PROPS +      \
+                                    2 * __GLX_EXT_CONFIG_PROPS)
+
+#endif /* !__GLX_glxint_h__ */