diff options
Diffstat (limited to 'intern/cycles/kernel/osl/nodes/node_glass_bsdf.osl')
| -rw-r--r-- | intern/cycles/kernel/osl/nodes/node_glass_bsdf.osl | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/intern/cycles/kernel/osl/nodes/node_glass_bsdf.osl b/intern/cycles/kernel/osl/nodes/node_glass_bsdf.osl index af946048011..cc2104af56f 100644 --- a/intern/cycles/kernel/osl/nodes/node_glass_bsdf.osl +++ b/intern/cycles/kernel/osl/nodes/node_glass_bsdf.osl @@ -23,12 +23,12 @@ shader node_glass_bsdf( color Color = color(0.8, 0.8, 0.8), string distribution = "Sharp", float Roughness = 0.2, - float Fresnel = 0.3, + float IOR = 1.45, normal Normal = N, output closure color BSDF = diffuse(Normal)) { - float f = clamp(1.0 - Fresnel, 1e-5, 1.0 - 1e-5); - float eta = backfacing()? f: 1.0/f; + float f = max(IOR, 1.0 + 1e-5); + float eta = backfacing()? 1.0/f: f; float Fr = fresnel_dielectric(I, Normal, eta); if(distribution == "Sharp") |