diff options
Diffstat (limited to 'intern/cycles/kernel/shaders/node_refraction_bsdf.osl')
| -rw-r--r-- | intern/cycles/kernel/shaders/node_refraction_bsdf.osl | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/intern/cycles/kernel/shaders/node_refraction_bsdf.osl b/intern/cycles/kernel/shaders/node_refraction_bsdf.osl index 828becf1818..eaab7282243 100644 --- a/intern/cycles/kernel/shaders/node_refraction_bsdf.osl +++ b/intern/cycles/kernel/shaders/node_refraction_bsdf.osl @@ -26,12 +26,13 @@ shader node_refraction_bsdf( { float f = max(IOR, 1e-5); float eta = backfacing() ? 1.0 / f : f; + float roughness = Roughness * Roughness; if (distribution == "sharp") BSDF = Color * refraction(Normal, eta); else if (distribution == "beckmann") - BSDF = Color * microfacet_beckmann_refraction(Normal, Roughness, eta); + BSDF = Color * microfacet_beckmann_refraction(Normal, roughness, eta); else if (distribution == "GGX") - BSDF = Color * microfacet_ggx_refraction(Normal, Roughness, eta); + BSDF = Color * microfacet_ggx_refraction(Normal, roughness, eta); } |