Fix more assertions with foundation::improve_normalization()

appleseedhq · Jan 27, 2016 · 5ab7ff7 · 5ab7ff7
1 parent 5ce191f
commit 5ab7ff7
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/appleseed/renderer/modeling/bsdf/specularbtdf.cpp b/src/appleseed/renderer/modeling/bsdf/specularbtdf.cpp
@@ -145,7 +145,6 @@ namespace
                         cos_theta_i > 0.0
                             ? (eta * cos_theta_i - cos_theta_t) * shading_normal - eta * sample.m_outgoing.get_value()
                             : (eta * cos_theta_i + cos_theta_t) * shading_normal - eta * sample.m_outgoing.get_value();
-                    incoming = improve_normalization(incoming);
 
                     // Compute the refracted radiance.
                     sample.m_value = values->m_transmittance;
@@ -165,6 +164,8 @@ namespace
             // Set the scattering mode.
             sample.m_mode = ScatteringMode::Specular;
 
+            // Set the incoming direction.
+            incoming = improve_normalization(incoming);
             sample.m_incoming = Dual3d(incoming);
 
             if (refract_differentials)