From c040dedc124a413c13c62677f7d6aee0fd15668f Mon Sep 17 00:00:00 2001 From: Brecht Van Lommel Date: Sat, 7 Oct 2017 21:43:36 +0200 Subject: Fix incorrect MIS with principled BSDF and specular roughness 0. --- intern/cycles/kernel/closure/bsdf_microfacet.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'intern/cycles/kernel/closure') diff --git a/intern/cycles/kernel/closure/bsdf_microfacet.h b/intern/cycles/kernel/closure/bsdf_microfacet.h index b12e248f0a3..a780bd0cf28 100644 --- a/intern/cycles/kernel/closure/bsdf_microfacet.h +++ b/intern/cycles/kernel/closure/bsdf_microfacet.h @@ -605,8 +605,7 @@ ccl_device int bsdf_microfacet_ggx_sample(KernelGlobals *kg, const ShaderClosure /* if fresnel is used, calculate the color with reflection_color(...) */ if(use_fresnel) { - *pdf = 1.0f; - *eval = reflection_color(bsdf, *omega_in, m); + *eval *= reflection_color(bsdf, *omega_in, m); } label = LABEL_REFLECT | LABEL_SINGULAR; -- cgit v1.2.3