From 08a823d85747929db960df3d059b92bdc5bade3e Mon Sep 17 00:00:00 2001
From: Jethro Leevers <leevers@gmail.com>
Date: Mon, 6 Jun 2016 11:59:56 +0100
Subject: [PATCH] Added support for GL_LINE_STRIP_ADJACENCY_EXT

---
 include/osg/TemplatePrimitiveFunctor | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/osg/TemplatePrimitiveFunctor b/include/osg/TemplatePrimitiveFunctor
index 4d446b944..25d98ce19 100644
--- a/include/osg/TemplatePrimitiveFunctor
+++ b/include/osg/TemplatePrimitiveFunctor
@@ -152,6 +152,12 @@ namespace osg {
                         this->operator()(*(vptr),*(vptr+1),_treatVertexDataAsTemporary);
                     break;
                 }
+                case(GL_LINE_STRIP_ADJACENCY_EXT): {
+                    const Vec3* vlast = &_vertexArrayPtr[first+count-2];
+                    for(const Vec3* vptr=&_vertexArrayPtr[first+1];vptr<vlast;vptr+=1)
+                        this->operator()(*(vptr),*(vptr+1),_treatVertexDataAsTemporary);
+                    break;
+                }
                 case(GL_LINE_LOOP): {
                     const Vec3* vlast = &_vertexArrayPtr[first+count-1];
                     for(const Vec3* vptr=&_vertexArrayPtr[first];vptr<vlast;vptr+=1)
@@ -242,6 +248,13 @@ namespace osg {
                                          _treatVertexDataAsTemporary);
                     break;
                 }
+                case(GL_LINE_STRIP_ADJACENCY_EXT): {
+                    IndexPointer ilast = &indices[count-2];
+                    for(IndexPointer  iptr=&indices[1];iptr<ilast;iptr+=1)
+                        this->operator()(_vertexArrayPtr[*iptr],_vertexArrayPtr[*(iptr+1)],
+                                         _treatVertexDataAsTemporary);
+                    break;
+                }
                 case(GL_LINE_LOOP): {
                     IndexPointer ilast = &indices[count-1];
                     for(IndexPointer  iptr=indices;iptr<ilast;iptr+=1)