diff options
Diffstat (limited to 'intern/cycles/kernel/closure/bssrdf.h')
| -rw-r--r-- | intern/cycles/kernel/closure/bssrdf.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/intern/cycles/kernel/closure/bssrdf.h b/intern/cycles/kernel/closure/bssrdf.h index 1327fbd011e..8916374cb1c 100644 --- a/intern/cycles/kernel/closure/bssrdf.h +++ b/intern/cycles/kernel/closure/bssrdf.h @@ -145,7 +145,7 @@ __device float bssrdf_original(const BSSRDFParams *ss, float r) Rdr = ss->zr*(1.0f + ss->sigma_tr*sr)*expf(-ss->sigma_tr*sr)/(sr*sr*sr); Rdv = ss->zv*(1.0f + ss->sigma_tr*sv)*expf(-ss->sigma_tr*sv)/(sv*sv*sv); - return ss->alpha_*(1.0f/(4.0f*(float)M_PI))*(Rdr + Rdv); + return ss->alpha_*(1.0f/M_4PI_F)*(Rdr + Rdv); } CCL_NAMESPACE_END |