From 87cd56b012494e20be06b63f85b798fa043c3194 Mon Sep 17 00:00:00 2001 From: Sergey Sharybin Date: Thu, 1 Dec 2016 12:11:11 +0100 Subject: Fix T50075: Assert during debug render of hair_geom_transmission.blend --- intern/cycles/kernel/closure/bsdf_hair.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'intern/cycles/kernel/closure') 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; } -- cgit v1.2.3