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diff --git a/indra/llrender/llrendernavprim.h b/indra/llrender/llrendernavprim.h
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+++ b/indra/llrender/llrendernavprim.h
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+/** 
+ * @file LLRenderNavPrim.h
+ * @brief 
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_RENDER_NAVPRIM_H
+#define LL_RENDER_NAVPRIM_H
+
+#include "llmath.h"
+#include "v3math.h"
+#include "v4math.h"
+#include "m3math.h"
+#include "m4math.h"
+#include "v4color.h"
+#include "llgl.h"
+
+
+class LLRenderNavPrim
+{
+public:
+	//Draw a line
+	void renderLLSegment( const LLVector3& start, const LLVector3& end, const LLColor4U& color ) const;
+	//Draw simple tri
+	void renderTri( const LLVector3& a, const LLVector3& b, const LLVector3& c, int color ) const;
+	//Draw simple tri
+	void renderLLTri( const LLVector3& a, const LLVector3& b, const LLVector3& c, const LLColor4U& color ) const;
+	//Draw the contents of vertex buffer
+	void renderNavMeshVB( U32 mode, LLVertexBuffer* pVBO, int vertCnt );
+	//Draw a star
+	void renderStar( const LLVector3& center, const float scale, const LLColor4U& color ) const;
+	//Flush the device
+	void flushDevice() { gGL.flush(); }
+private:
+};
+
+extern LLRenderNavPrim gRenderNav;
+
+#endif