From b752a3a689ea2000398c9f93e801d87a2681223c Mon Sep 17 00:00:00 2001
From: prep <prep@lindenlab.com>
Date: Thu, 5 Apr 2012 11:08:31 -0400
Subject: Navmesh edges are now rendered via vertex buffers. Enjoy the speedup!

---
 indra/llrender/llrendernavprim.cpp |   6 ++
 indra/llrender/llrendernavprim.h   | 120 +++++++++++++++++++------------------
 2 files changed, 67 insertions(+), 59 deletions(-)

diff --git a/indra/llrender/llrendernavprim.cpp b/indra/llrender/llrendernavprim.cpp
index 56b176d39c..2632428dfd 100644
--- a/indra/llrender/llrendernavprim.cpp
+++ b/indra/llrender/llrendernavprim.cpp
@@ -81,6 +81,12 @@ void LLRenderNavPrim::renderNavMeshVB( LLVertexBuffer* pVBO, int vertCnt )
 	pVBO->drawArrays( LLRender::TRIANGLES, 0, vertCnt );	
 }
 //=============================================================================
+void LLRenderNavPrim::renderNavMeshEdgeVB( LLVertexBuffer* pVBO, int vertCnt )
+{	
+	pVBO->setBuffer( LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_COLOR | LLVertexBuffer::MAP_NORMAL );
+	pVBO->drawArrays( LLRender::LINES, 0, vertCnt );	
+}
+//=============================================================================
 void LLRenderNavPrim::renderStar( const LLVector3& center, const float scale, const LLColor4U& color ) const
 {	
 	for (int k=0; k<3; k++)
diff --git a/indra/llrender/llrendernavprim.h b/indra/llrender/llrendernavprim.h
index 7fbd02de93..809debb006 100644
--- a/indra/llrender/llrendernavprim.h
+++ b/indra/llrender/llrendernavprim.h
@@ -1,59 +1,61 @@
-/** 
- * @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 LLVector3& n ) const;
-	//Draw the contents of vertex buffer
-	void renderNavMeshVB( 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
+/** 
+ * @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 LLVector3& n ) const;
+	//Draw the contents of vertex buffer
+	void renderNavMeshVB( LLVertexBuffer* pVBO, int vertCnt );
+	//Draw the contents of the edge vertex buffer
+	void renderNavMeshEdgeVB( 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
-- 
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