diff options
Diffstat (limited to 'intern/cycles/kernel/shaders/node_glass_bsdf.osl')
-rw-r--r-- | intern/cycles/kernel/shaders/node_glass_bsdf.osl | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/intern/cycles/kernel/shaders/node_glass_bsdf.osl b/intern/cycles/kernel/shaders/node_glass_bsdf.osl index da1a42876fe..ba08964d116 100644 --- a/intern/cycles/kernel/shaders/node_glass_bsdf.osl +++ b/intern/cycles/kernel/shaders/node_glass_bsdf.osl @@ -29,7 +29,8 @@ shader node_glass_bsdf( { float f = max(IOR, 1.0 + 1e-5); float eta = backfacing() ? 1.0 / f: f; - float Fr = fresnel_dielectric(I, Normal, eta); + float cosi = dot(I, Normal); + float Fr = fresnel_dielectric_cos(cosi, eta); if (distribution == "Sharp") BSDF = Color * (Fr * reflection(Normal) + (1.0 - Fr) * refraction(Normal, eta)); |