3 files changed, 110 insertions, 0 deletions
diff --git a/indra/llrender/CMakeLists.txt b/indra/llrender/CMakeLists.txt
index 5c13df9f81..516af93316 100644
--- a/indra/llrender/CMakeLists.txt
+++ b/indra/llrender/CMakeLists.txt
@@ -36,6 +36,7 @@ set(llrender_SOURCE_FILES
     llglslshader.cpp
     llimagegl.cpp
     llpostprocess.cpp
+    llrendernavprim.cpp
     llrendersphere.cpp
     llshadermgr.cpp
     lltexture.cpp
@@ -59,6 +60,7 @@ set(llrender_HEADER_FILES
     llimagegl.h
     llpostprocess.h
     llrender.h
+    llrendernavprim.h
     llrendersphere.h
     llshadermgr.h
     lltexture.h
diff --git a/indra/llrender/llrendernavprim.cpp b/indra/llrender/llrendernavprim.cpp
new file mode 100644
index 0000000000..ca72964832
--- /dev/null
+++ b/indra/llrender/llrendernavprim.cpp
@@ -0,0 +1,59 @@
+/** 
+* @file llrendernavprim.cpp
+* @brief Implementation of llrendernavprim
+* @author Prep@lindenlab.com
+*
+* $LicenseInfo:firstyear=2012&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2012, 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
+* $/LicenseInfo$
+*/
+
+
+#include "linden_common.h"
+
+#include "llrendernavprim.h"
+
+#include "llrender.h"
+#include "llvertexbuffer.h"
+#include "v4coloru.h"
+#include "v3math.h"
+
+//=============================================================================
+LLRenderNavPrim gRenderNav;
+//=============================================================================
+void LLRenderNavPrim::renderLLTri( const LLVector3& a, const LLVector3& b, const LLVector3& c, const LLColor4U& color ) const
+{
+	LLColor4 cV(color);
+	gGL.color4fv( cV.mV );
+	gGL.begin(LLRender::TRIANGLES);
+	{
+		gGL.vertex3fv( a.mV );
+		gGL.vertex3fv( b.mV );
+		gGL.vertex3fv( c.mV );
+	}
+	gGL.end();		
+}
+//=============================================================================
+void LLRenderNavPrim::renderNavMeshVB( U32 mode, LLVertexBuffer* pVBO, int vertCnt )
+{	
+	pVBO->setBuffer( LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_COLOR | LLVertexBuffer::MAP_NORMAL );
+	pVBO->drawArrays( mode, 0, vertCnt );	
+}
+//=============================================================================
diff --git a/indra/llrender/llrendernavprim.h b/indra/llrender/llrendernavprim.h
new file mode 100644
index 0000000000..a3a5dfec3a
--- /dev/null
+++ b/indra/llrender/llrendernavprim.h
@@ -0,0 +1,49 @@
+/** 
+* @file   llrendernavprim.h
+* @brief  Header file for llrendernavprim
+* @author Prep@lindenlab.com
+*
+* $LicenseInfo:firstyear=2012&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2012, 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_LLRENDERNAVPRIM_H
+#define LL_LLRENDERNAVPRIM_H
+
+#include "stdtypes.h"
+
+class LLColor4U;
+class LLVector3;
+class LLVertexBuffer;
+
+
+class LLRenderNavPrim
+{
+public:
+	//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 );
+private:
+};
+
+extern LLRenderNavPrim gRenderNav;
+
+#endif // LL_LLRENDERNAVPRIM_H