From 28915280733428e573e1eb4b7c9a818318c81784 Mon Sep 17 00:00:00 2001
From: Guillaume Damiand <guillaume.damiand@liris.cnrs.fr>
Date: Thu, 28 Sep 2023 19:21:49 +0200
Subject: [PATCH 1/2] Bug fix in drawing of interior faces when the outer
 boundary is pinched

---
 GraphicsView/include/CGAL/Buffer_for_vao.h | 32 ++++++++++++----------
 1 file changed, 17 insertions(+), 15 deletions(-)

diff --git a/GraphicsView/include/CGAL/Buffer_for_vao.h b/GraphicsView/include/CGAL/Buffer_for_vao.h
index fddd4a663ff..8fda1987993 100644
--- a/GraphicsView/include/CGAL/Buffer_for_vao.h
+++ b/GraphicsView/include/CGAL/Buffer_for_vao.h
@@ -746,17 +746,24 @@ protected:
         fit->info().is_process = false;
       }
       // (2.2) We check if the facet is external or internal
-      std::queue<typename CDT::Face_handle> face_queue;
+      std::queue<typename CDT::Face_handle> face_queue, faces_internal;
       typename CDT::Face_handle face_internal = nullptr;
       if (cdt.infinite_vertex()->face()!=nullptr)
-      { face_queue.push(cdt.infinite_vertex()->face()); }
+      {
+        typename CDT::Face_circulator
+          incident_faces(cdt.infinite_vertex()), end_incident_faces(incident_faces);
+        do
+        { face_queue.push(incident_faces); }
+        while(++incident_faces!=end_incident_faces);
+      }
+      // std::cout<<"# faces PUSHED "<<face_queue.size()<<std::endl;
       while(!face_queue.empty())
       {
-        typename CDT::Face_handle fh = face_queue.front();
+        typename CDT::Face_handle fh=face_queue.front();
         face_queue.pop();
         if(!fh->info().is_process)
         {
-          fh->info().is_process = true;
+          fh->info().is_process=true;
           for(int i=0; i<3; ++i)
           {
             if(!cdt.is_constrained(std::make_pair(fh, i)))
@@ -764,21 +771,16 @@ protected:
               if (fh->neighbor(i)!=nullptr)
               { face_queue.push(fh->neighbor(i)); }
             }
-            else if (face_internal==nullptr)
-            {
-              face_internal = fh->neighbor(i);
-            }
+            else
+            { faces_internal.push(fh->neighbor(i)); }
           }
         }
       }
 
-      if ( face_internal!=nullptr )
-      { face_queue.push(face_internal); }
-
-      while(!face_queue.empty())
+      while(!faces_internal.empty())
       {
-        typename CDT::Face_handle fh = face_queue.front();
-        face_queue.pop();
+        typename CDT::Face_handle fh=faces_internal.front();
+        faces_internal.pop();
         if(!fh->info().is_process)
         {
           fh->info().is_process = true;
@@ -788,7 +790,7 @@ protected:
             if(!cdt.is_constrained(std::make_pair(fh, i)))
             {
               if (fh->neighbor(i)!=nullptr)
-              { face_queue.push(fh->neighbor(i)); }
+              { faces_internal.push(fh->neighbor(i)); }
             }
           }
         }

From a5447a846b1734678c634fa4ed90617c06c5da46 Mon Sep 17 00:00:00 2001
From: Guillaume Damiand <guillaume.damiand@liris.cnrs.fr>
Date: Wed, 4 Oct 2023 07:59:01 +0200
Subject: [PATCH 2/2] Remove warning

---
 GraphicsView/include/CGAL/Buffer_for_vao.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/GraphicsView/include/CGAL/Buffer_for_vao.h b/GraphicsView/include/CGAL/Buffer_for_vao.h
index 8fda1987993..dde60abb832 100644
--- a/GraphicsView/include/CGAL/Buffer_for_vao.h
+++ b/GraphicsView/include/CGAL/Buffer_for_vao.h
@@ -747,7 +747,6 @@ protected:
       }
       // (2.2) We check if the facet is external or internal
       std::queue<typename CDT::Face_handle> face_queue, faces_internal;
-      typename CDT::Face_handle face_internal = nullptr;
       if (cdt.infinite_vertex()->face()!=nullptr)
       {
         typename CDT::Face_circulator