diff options
Diffstat (limited to 'intern/cycles/kernel/closure')
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf_hair.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/intern/cycles/kernel/closure/bsdf_hair.h b/intern/cycles/kernel/closure/bsdf_hair.h index bede5f45e7e..daaa26dc6ad 100644 --- a/intern/cycles/kernel/closure/bsdf_hair.h +++ b/intern/cycles/kernel/closure/bsdf_hair.h @@ -267,7 +267,10 @@ ccl_device int bsdf_hair_transmission_sample(const ShaderClosure *sc, float3 Ng, *eval = make_float3(*pdf, *pdf, *pdf); - kernel_assert(dot(locy, *omega_in) < 0.0f); + /* TODO(sergey): Should always be negative, but seems some precision issue + * is involved here. + */ + kernel_assert(dot(locy, *omega_in) < 1e-4f); return LABEL_TRANSMIT|LABEL_GLOSSY; } |