From f3c58c65054fb3b0c0c09ede249c71fb4dd2c62e Mon Sep 17 00:00:00 2001 From: Stefan Werner Date: Wed, 9 Feb 2022 11:22:32 +0100 Subject: Cycles: Removed redundant/buggy code in multiscatter BSDF A zero length vector was normalized and the resulting NaN used in further calculations. This caused trouble on some compilers when using fast math. Reviewed By: brecht, sergey Differential Revision: https://developer.blender.org/D14058 --- intern/cycles/kernel/closure/bsdf_microfacet_multi_impl.h | 3 --- 1 file changed, 3 deletions(-) (limited to 'intern') diff --git a/intern/cycles/kernel/closure/bsdf_microfacet_multi_impl.h b/intern/cycles/kernel/closure/bsdf_microfacet_multi_impl.h index 8820f672862..e4fcf0e6ba3 100644 --- a/intern/cycles/kernel/closure/bsdf_microfacet_multi_impl.h +++ b/intern/cycles/kernel/closure/bsdf_microfacet_multi_impl.h @@ -193,9 +193,6 @@ ccl_device_forceinline float3 MF_FUNCTION_FULL_NAME(mf_sample)(float3 wi, bool outside = true; float F0 = fresnel_dielectric_cos(1.0f, eta); - if (use_fresnel) { - throughput = interpolate_fresnel_color(wi, normalize(wi + wr), eta, F0, cspec0); - } int order; for (order = 0; order < 10; order++) { -- cgit v1.2.3