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diff --git a/include/GL/internal/sarea.h b/include/GL/internal/sarea.h
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+/* $XFree86: xc/programs/Xserver/GL/dri/sarea.h,v 1.11 2002/10/30 12:52:03 alanh Exp $ */
+/**
+ * \file sarea.h
+ * SAREA definitions.
+ *
+ * \author Kevin E. Martin <kevin@precisioninsight.com>
+ * \author Jens Owen <jens@tungstengraphics.com>
+ * \author Rickard E. (Rik) Faith <faith@valinux.com>
+ */
+
+/*
+ * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
+ */
+
+/* $XFree86: xc/programs/Xserver/GL/dri/sarea.h,v 1.11 2002/10/30 12:52:03 alanh Exp $ */
+
+#ifndef _SAREA_H_
+#define _SAREA_H_
+
+#include "xf86drm.h"
+
+/* SAREA area needs to be at least a page */
+#if defined(__alpha__)
+#define SAREA_MAX 0x2000
+#elif defined(__ia64__)
+#define SAREA_MAX 0x10000 /* 64kB */
+#else
+/* Intel 830M driver needs at least 8k SAREA */
+#define SAREA_MAX 0x2000
+#endif
+
+#define SAREA_MAX_DRAWABLES 256
+
+#define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000
+
+/**
+ * SAREA per drawable information.
+ *
+ * \sa _XF86DRISAREA.
+ */
+typedef struct _XF86DRISAREADrawable {
+ unsigned int stamp;
+ unsigned int flags;
+} XF86DRISAREADrawableRec, *XF86DRISAREADrawablePtr;
+
+/**
+ * SAREA frame information.
+ *
+ * \sa _XF86DRISAREA.
+ */
+typedef struct _XF86DRISAREAFrame {
+ unsigned int x;
+ unsigned int y;
+ unsigned int width;
+ unsigned int height;
+ unsigned int fullscreen;
+} XF86DRISAREAFrameRec, *XF86DRISAREAFramePtr;
+
+/**
+ * SAREA definition.
+ */
+typedef struct _XF86DRISAREA {
+ /** first thing is always the DRM locking structure */
+ drmLock lock;
+ /** \todo Use readers/writer lock for drawable_lock */
+ drmLock drawable_lock;
+ XF86DRISAREADrawableRec drawableTable[SAREA_MAX_DRAWABLES];
+ XF86DRISAREAFrameRec frame;
+ drm_context_t dummy_context;
+} XF86DRISAREARec, *XF86DRISAREAPtr;
+
+#endif