diff options
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf_microfacet_multi.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/intern/cycles/kernel/closure/bsdf_microfacet_multi.h b/intern/cycles/kernel/closure/bsdf_microfacet_multi.h index aa4b91eac40..1dd24078037 100644 --- a/intern/cycles/kernel/closure/bsdf_microfacet_multi.h +++ b/intern/cycles/kernel/closure/bsdf_microfacet_multi.h @@ -83,7 +83,7 @@ ccl_device_forceinline float3 mf_sample_vndf(const float3 wi, const float2 alpha const float3 wi_11 = normalize(make_float3(alpha.x*wi.x, alpha.y*wi.y, wi.z)); const float2 slope_11 = mf_sampleP22_11(wi_11.z, randU); - const float2 cossin_phi = safe_normalize(make_float2(wi_11.x, wi_11.y)); + const float3 cossin_phi = safe_normalize(make_float3(wi_11.x, wi_11.y, 0.0f)); const float slope_x = alpha.x*(cossin_phi.x * slope_11.x - cossin_phi.y * slope_11.y); const float slope_y = alpha.y*(cossin_phi.y * slope_11.x + cossin_phi.x * slope_11.y); |