3 files changed, 157 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..c24a09028f
--- /dev/null
+++ b/indra/llrender/llrendernavprim.cpp
@@ -0,0 +1,96 @@
+/** 
+ * @file LLRenderNavPrim.cpp
+ * @brief Renderable primitives used by the pathing library
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+
+#include "linden_common.h"
+#include "llrendernavprim.h"
+#include "llerror.h"
+#include "llglheaders.h"
+#include "llvertexbuffer.h"
+#include "llglslshader.h"
+
+//=============================================================================
+LLRenderNavPrim gRenderNav;
+//=============================================================================
+void LLRenderNavPrim::renderLLSegment( const LLVector3& start, const LLVector3& end, const LLColor4U& color ) const
+{	
+	LLColor4 colorA( color );	
+	gGL.color3fv( colorA.mV );
+
+	gGL.begin(LLRender::LINES);
+	{
+		gGL.vertex3fv( start.mV );
+		gGL.vertex3fv( end.mV );
+	}
+	gGL.end();	
+}
+//=============================================================================
+void LLRenderNavPrim::renderTri( const LLVector3& a, const LLVector3& b, const LLVector3& c, int color ) const
+{
+	LLColor4 colorA( color );	
+	colorA*=1.25f;
+	gGL.color4fv( colorA.mV );
+	gGL.begin(LLRender::TRIANGLES);
+	{
+		gGL.vertex3fv( a.mV );
+		gGL.vertex3fv( b.mV );
+		gGL.vertex3fv( c.mV );
+	}
+	gGL.end();		
+}
+//=============================================================================
+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 );	
+}
+//=============================================================================
+void LLRenderNavPrim::renderStar( const LLVector3& center, const float scale, const LLColor4U& color ) const
+{	
+	for (int k=0; k<3; k++)
+	{
+		LLVector3 star, pt1, pt2;
+		star = LLVector3( 0.0f,0.0f,0.0f);
+		star[k] = 0.5f;
+		pt1 =  center + star;
+		pt2 =  center - star;	
+		renderLLSegment( pt1, pt2, color );
+	}
+}
+//=============================================================================
diff --git a/indra/llrender/llrendernavprim.h b/indra/llrender/llrendernavprim.h
new file mode 100644
index 0000000000..eb45e259d2
--- /dev/null
+++ b/indra/llrender/llrendernavprim.h
@@ -0,0 +1,59 @@
+/** 
+ * @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