From 8da3c5c1b9585826209fe3c0cbbead06bda1cfc1 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Mon, 21 Sep 2015 17:53:21 +0500
Subject: Fix T46159: OpenSubdiv does not always give same results as Blender
 own subsurf code with crease edges

---
 intern/opensubdiv/opensubdiv_converter.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'intern')

diff --git a/intern/opensubdiv/opensubdiv_converter.cc b/intern/opensubdiv/opensubdiv_converter.cc
index 5d43cafd1f3..3fadde68d32 100644
--- a/intern/opensubdiv/opensubdiv_converter.cc
+++ b/intern/opensubdiv/opensubdiv_converter.cc
@@ -467,6 +467,14 @@ inline bool TopologyRefinerFactory<OpenSubdiv_Converter>::assignComponentTags(
 				break;
 			}
 		}
+		if (vert_edges.size() == 2) {
+			int edge0 = vert_edges[0],
+			    edge1 = vert_edges[1];
+			float sharpness0 = conv.get_edge_sharpness(&conv, edge0),
+			      sharpness1 = conv.get_edge_sharpness(&conv, edge1);
+			float sharpness = std::min(sharpness0,  sharpness1);
+			setBaseVertexSharpness(refiner, vert, sharpness);
+		}
 	}
 
 	return true;
-- 
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