diff options
| -rw-r--r-- | intern/cycles/kernel/light/sample.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/intern/cycles/kernel/light/sample.h b/intern/cycles/kernel/light/sample.h index ff5d43ed8cd..83f6d733d3a 100644 --- a/intern/cycles/kernel/light/sample.h +++ b/intern/cycles/kernel/light/sample.h @@ -200,6 +200,9 @@ ccl_device_inline float3 shadow_ray_offset(KernelGlobals kg, if (offset_cutoff > 0.0f) { float NgL = dot(Ng, L); float offset_amount = 0.0f; + if (NL < 0) { + NL = -NL; + } if (NL < offset_cutoff) { offset_amount = clamp(2.0f - (NgL + NL) / offset_cutoff, 0.0f, 1.0f); } |