From 03bb97fb953006b7600e10037d1c1fe23d5721f6 Mon Sep 17 00:00:00 2001
From: Wenzel Jakob <wenzel@cs.cornell.edu>
Date: Wed, 4 Jun 2014 16:56:09 +0200
Subject: [PATCH] always compute proper UV tangents if possible

---
 src/librender/trimesh.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/librender/trimesh.cpp b/src/librender/trimesh.cpp
index 0339ccf9..d03366d7 100644
--- a/src/librender/trimesh.cpp
+++ b/src/librender/trimesh.cpp
@@ -386,8 +386,7 @@ void TriMesh::configure() {
 
 	/* For manifold exploration: always compute UV tangents when a glossy material
 	   is involved. TODO: find a way to avoid this expense (compute on demand?) */
-	if (hasBSDF() && (m_bsdf->getType() & BSDF::EGlossy))
-		computeUVTangents();
+	computeUVTangents();
 }
 
 void TriMesh::prepareSamplingTable() {