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diff --git a/src/gallium/state_trackers/vega/bezier.h b/src/gallium/state_trackers/vega/bezier.h
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+++ b/src/gallium/state_trackers/vega/bezier.h
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+/**************************************************************************
+ *
+ * Copyright 2009 VMware, 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 VMWARE 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 BEZIER_H
+#define BEZIER_H
+
+struct polygon;
+struct matrix;
+
+struct bezier {
+    float x1, y1;
+    float x2, y2;
+    float x3, y3;
+    float x4, y4;
+};
+
+
+#define BEZIER_DEFAULT_ERROR 0.01
+
+/* kappa as being l of a circle with r = 1, we can emulate any
+ * circle of radius r by using the formula
+ * l = r . kappa
+ * More at:
+ * http://www.whizkidtech.redprince.net/bezier/circle/ */
+#define KAPPA 0.5522847498
+
+void bezier_init(struct bezier *bez,
+                 float x1, float y1,
+                 float x2, float y2,
+                 float x3, float y3,
+                 float x4, float y4);
+
+struct polygon *bezier_to_polygon(struct bezier *bez);
+void bezier_add_to_polygon(const struct bezier *bez,
+                           struct polygon *poly);
+float bezier_length(struct bezier *bez, float error);
+void bezier_transform(struct bezier *bez,
+                      struct matrix *mat);
+
+int bezier_translate_by_normal(struct bezier *b,
+                               struct bezier *curves,
+                               int max_curves,
+                               float normal_len,
+                               float threshold);
+void bezier_bounds(const struct bezier *bez,
+                   float *bounds/*x/y/width/height*/);
+void bezier_exact_bounds(const struct bezier *bez,
+                         float *bounds/*x/y/width/height*/);
+
+void bezier_start_tangent(const struct bezier *bez,
+                          float *tangent);
+
+void bezier_point_at_length(struct bezier *bez, float length,
+                            float *point, float *normal);
+void bezier_point_at_t(struct bezier *bez, float t,
+                       float *point, float *normal);
+
+#endif