diff options
Diffstat (limited to 'intern/cycles/kernel/closure/bsdf_westin.h')
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf_westin.h | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/intern/cycles/kernel/closure/bsdf_westin.h b/intern/cycles/kernel/closure/bsdf_westin.h index 968173208b4..29bfa85bcc1 100644 --- a/intern/cycles/kernel/closure/bsdf_westin.h +++ b/intern/cycles/kernel/closure/bsdf_westin.h @@ -108,14 +108,6 @@ __device int bsdf_westin_backscatter_sample(const ShaderClosure *sc, float3 Ng, *pdf = 0.5f * M_1_PI_F * powf(cosTheta, m_invroughness); *pdf = (m_invroughness + 1) * (*pdf); *eval = make_float3(*pdf, *pdf, *pdf); -#ifdef __RAY_DIFFERENTIALS__ - // Since there is some blur to this reflection, make the - // derivatives a bit bigger. In theory this varies with the - // exponent but the exact relationship is complex and - // requires more ops than are practical. - *domega_in_dx *= 10.0f; - *domega_in_dy *= 10.0f; -#endif } } } @@ -176,8 +168,6 @@ __device int bsdf_westin_sheen_sample(const ShaderClosure *sc, float3 Ng, float3 // TODO: find a better approximation for the diffuse bounce *domega_in_dx = (2 * dot(N, dIdx)) * N - dIdx; *domega_in_dy = (2 * dot(N, dIdy)) * N - dIdy; - *domega_in_dx *= 125.0f; - *domega_in_dy *= 125.0f; #endif } else { |