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diff --git a/src/mesa/drivers/dri/common/utils.h b/src/mesa/drivers/dri/common/utils.h
new file mode 100644
index 00000000000..26d178f7478
--- /dev/null
+++ b/src/mesa/drivers/dri/common/utils.h
@@ -0,0 +1,119 @@
+/*
+ * (C) Copyright IBM Corporation 2002, 2004
+ * 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
+ * on 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
+ * VA LINUX SYSTEM, IBM AND/OR THEIR 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.
+ *
+ * Authors:
+ *    Ian Romanick <[email protected]>
+ */
+/* $XFree86:$ */
+
+#ifndef DRI_DEBUG_H
+#define DRI_DEBUG_H
+
+#include "context.h"
+#include "dri_util.h"
+
+struct dri_debug_control {
+    const char * string;
+    unsigned     flag;
+};
+
+/**
+ * Description of the entry-points and parameters for an OpenGL function.
+ */
+struct dri_extension_function {
+    /**
+     * \brief
+     * Packed string describing the parameter signature and the entry-point
+     * names.
+     * 
+     * The parameter signature and the names of the entry-points for this
+     * function are packed into a single string.  The substrings are
+     * separated by NUL characters.  The whole string is terminated by
+     * two consecutive NUL characters.
+     */
+    const char * strings;
+
+
+    /**
+     * Location in the remap table where the dispatch offset should be
+     * stored.
+     */
+    int remap_index;
+
+    /**
+     * Offset of the function in the dispatch table.
+     */
+    int offset;
+};
+
+/**
+ * Description of the API for an extension to OpenGL.
+ */
+struct dri_extension {
+    /**
+     * Name of the extension.
+     */
+    const char * name;
+    
+
+    /**
+     * Pointer to a list of \c dri_extension_function structures.  The list
+     * is terminated by a structure with a \c NULL
+     * \c dri_extension_function::strings pointer.
+     */
+    const struct dri_extension_function * functions;
+};
+
+extern unsigned driParseDebugString( const char * debug,
+    const struct dri_debug_control * control );
+
+extern unsigned driGetRendererString( char * buffer,
+    const char * hardware_name, const char * driver_date, GLuint agp_mode );
+
+extern void driInitExtensions( GLcontext * ctx, 
+    const struct dri_extension * card_extensions, GLboolean enable_imaging );
+
+extern void driInitSingleExtension( GLcontext * ctx,
+    const struct dri_extension * ext );
+
+extern GLboolean driCheckDriDdxDrmVersions2(const char * driver_name,
+    const __DRIversion * driActual, const __DRIversion * driExpected,
+    const __DRIversion * ddxActual, const __DRIversion * ddxExpected,
+    const __DRIversion * drmActual, const __DRIversion * drmExpected);
+
+extern GLboolean driCheckDriDdxDrmVersions3(const char * driver_name,
+    const __DRIversion * driActual, const __DRIversion * driExpected,
+    const __DRIversion * ddxActual, const __DRIutilversion2 * ddxExpected,
+    const __DRIversion * drmActual, const __DRIversion * drmExpected);
+
+extern GLboolean driClipRectToFramebuffer( const GLframebuffer *buffer,
+					   GLint *x, GLint *y,
+					   GLsizei *width, GLsizei *height );
+
+extern GLboolean driFillInModes( __GLcontextModes ** modes,
+    GLenum fb_format, GLenum fb_type,
+    const u_int8_t * depth_bits, const u_int8_t * stencil_bits,
+    unsigned num_depth_stencil_bits,
+    const GLenum * db_modes, unsigned num_db_modes, int visType );
+
+#endif /* DRI_DEBUG_H */