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diff --git a/src/mesa/drivers/dri/intel/intel_regions.h b/src/mesa/drivers/dri/intel/intel_regions.h
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+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+#ifndef INTEL_REGIONS_H
+#define INTEL_REGIONS_H
+
+#include "mtypes.h"
+#include "intel_screen.h"
+
+struct intel_context;
+struct intel_buffer_object;
+
+/**
+ * A layer on top of the bufmgr buffers that adds a few useful things:
+ *
+ * - Refcounting for local buffer references.
+ * - Refcounting for buffer maps
+ * - Buffer dimensions - pitch and height.
+ * - Blitter commands for copying 2D regions between buffers. (really???)
+ */
+struct intel_region
+{
+ dri_bo *buffer; /**< buffer manager's buffer */
+ GLuint refcount; /**< Reference count for region */
+ GLuint cpp; /**< bytes per pixel */
+ GLuint pitch; /**< in pixels */
+ GLuint height; /**< in pixels */
+ GLubyte *map; /**< only non-NULL when region is actually mapped */
+ GLuint map_refcount; /**< Reference count for mapping */
+
+ GLuint draw_offset; /**< Offset of drawing address within the region */
+ GLboolean tiled; /**< True if the region is X or Y-tiled. Used on 965. */
+
+ struct intel_buffer_object *pbo; /* zero-copy uploads */
+};
+
+
+/* Allocate a refcounted region. Pointers to regions should only be
+ * copied by calling intel_reference_region().
+ */
+struct intel_region *intel_region_alloc(intelScreenPrivate *intelScreen,
+ GLuint cpp,
+ GLuint pitch, GLuint height);
+
+void intel_region_reference(struct intel_region **dst,
+ struct intel_region *src);
+
+void intel_region_release(struct intel_region **ib);
+
+extern struct intel_region
+*intel_region_create_static(intelScreenPrivate *intelScreen,
+ const char *name,
+ GLuint mem_type,
+ unsigned int bo_handle,
+ GLuint offset,
+ void *virtual,
+ GLuint cpp,
+ GLuint pitch, GLuint height, GLboolean tiled);
+extern void
+intel_region_update_static(intelScreenPrivate *intelScreen,
+ struct intel_region *region,
+ const char *name,
+ GLuint mem_type,
+ unsigned int bo_handle,
+ GLuint offset,
+ void *virtual,
+ GLuint cpp, GLuint pitch, GLuint height,
+ GLboolean tiled);
+
+
+void intel_region_idle(intelScreenPrivate *intelScreen,
+ struct intel_region *ib);
+
+/* Map/unmap regions. This is refcounted also:
+ */
+GLubyte *intel_region_map(intelScreenPrivate *intelScreen,
+ struct intel_region *ib);
+
+void intel_region_unmap(intelScreenPrivate *intelScreen, struct intel_region *ib);
+
+
+/* Upload data to a rectangular sub-region
+ */
+void intel_region_data(intelScreenPrivate *intelScreen,
+ struct intel_region *dest,
+ GLuint dest_offset,
+ GLuint destx, GLuint desty,
+ const void *src, GLuint src_stride,
+ GLuint srcx, GLuint srcy, GLuint width, GLuint height);
+
+/* Copy rectangular sub-regions
+ */
+void intel_region_copy(intelScreenPrivate *intelScreen,
+ struct intel_region *dest,
+ GLuint dest_offset,
+ GLuint destx, GLuint desty,
+ struct intel_region *src,
+ GLuint src_offset,
+ GLuint srcx, GLuint srcy, GLuint width, GLuint height);
+
+/* Fill a rectangular sub-region
+ */
+void intel_region_fill(intelScreenPrivate *intelScreen,
+ struct intel_region *dest,
+ GLuint dest_offset,
+ GLuint destx, GLuint desty,
+ GLuint width, GLuint height, GLuint color);
+
+/* Helpers for zerocopy uploads, particularly texture image uploads:
+ */
+void intel_region_attach_pbo(intelScreenPrivate *intelScreen,
+ struct intel_region *region,
+ struct intel_buffer_object *pbo);
+void intel_region_release_pbo(intelScreenPrivate *intelScreen,
+ struct intel_region *region);
+void intel_region_cow(intelScreenPrivate *intelScreen,
+ struct intel_region *region);
+
+dri_bo *intel_region_buffer(intelScreenPrivate *intelScreen,
+ struct intel_region *region,
+ GLuint flag);
+
+#endif