Commit: c040dedc124a413c13c62677f7d6aee0fd15668f
Author: Brecht Van Lommel
Date: Sat Oct 7 21:43:36 2017 +0200
Branches: master
https://developer.blender.org/rBc040dedc124a413c13c62677f7d6aee0fd15668f
Fix incorrect MIS with principled BSDF and specular roughness 0.
===================================================================
M intern/cycles/kernel/closure/bsdf_microfacet.h
===================================================================
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;
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