Call progress callback for each child node of boolean ops

git-svn-id: http://svn.clifford.at/openscad/trunk@479 b57f626f-c46c-0410-a088-ec61d464b74c

src/cgaladv.cc

@@ -153,6 +153,7 @@ CGAL_Nef_polyhedron CgaladvNode::render_cgal_nef_polyhedron() const
 			} else {
 				b += v->render_cgal_nef_polyhedron();
 			}
+			v->progress_report();
 		}
 		if (a.dim == 3 && b.dim == 3) {
 			N.dim = 3;

src/csgops.cc

@@ -108,6 +108,7 @@ CGAL_Nef_polyhedron CsgNode::render_cgal_nef_polyhedron() const
 				N.p3 *= v->render_cgal_nef_polyhedron().p3;
 			}
 		}
+		v->progress_report();
 	}
 
 	cgal_nef_cache.insert(cache_id, new cgal_nef_cache_entry(N), N.weight());

src/node.cc

@@ -93,6 +93,7 @@ static CGAL_Nef_polyhedron render_cgal_nef_polyhedron_backend(const AbstractNode
 			else
 				N.p3 += v->render_cgal_nef_polyhedron().p3;
 		}
+		v->progress_report();
 	}
 
 	that->cgal_nef_cache.insert(cache_id, new AbstractNode::cgal_nef_cache_entry(N), N.weight());

src/render.cc

@@ -116,6 +116,7 @@ CGAL_Nef_polyhedron RenderNode::render_cgal_nef_polyhedron() const
 		} else if (N.dim == 3) {
 			N.p3 += v->render_cgal_nef_polyhedron().p3;
 		}
+		v->progress_report();
 	}
 
 	cgal_nef_cache.insert(cache_id, new cgal_nef_cache_entry(N), N.weight());

src/transform.cc

@@ -266,6 +266,7 @@ CGAL_Nef_polyhedron TransformNode::render_cgal_nef_polyhedron() const
 		} else if (N.dim == 3) {
 			N.p3 += v->render_cgal_nef_polyhedron().p3;
 		}
+		v->progress_report();
 	}
 
 	if (N.dim == 2)