diff options
Diffstat (limited to 'intern/cycles/kernel/shaders/node_glass_bsdf.osl')
| -rw-r--r-- | intern/cycles/kernel/shaders/node_glass_bsdf.osl | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/intern/cycles/kernel/shaders/node_glass_bsdf.osl b/intern/cycles/kernel/shaders/node_glass_bsdf.osl index a9723a8300a..2e713861c58 100644 --- a/intern/cycles/kernel/shaders/node_glass_bsdf.osl +++ b/intern/cycles/kernel/shaders/node_glass_bsdf.osl @@ -29,16 +29,17 @@ shader node_glass_bsdf( float eta = backfacing() ? 1.0 / f : f; float cosi = dot(I, Normal); float Fr = fresnel_dielectric_cos(cosi, eta); + float roughness = Roughness * Roughness; if (distribution == "sharp") BSDF = Color * (Fr * reflection(Normal) + (1.0 - Fr) * refraction(Normal, eta)); else if (distribution == "beckmann") - BSDF = Color * (Fr * microfacet_beckmann(Normal, Roughness) + - (1.0 - Fr) * microfacet_beckmann_refraction(Normal, Roughness, eta)); + BSDF = Color * (Fr * microfacet_beckmann(Normal, roughness) + + (1.0 - Fr) * microfacet_beckmann_refraction(Normal, roughness, eta)); else if (distribution == "Multiscatter GGX") - BSDF = Color * microfacet_multi_ggx_glass(Normal, Roughness, eta, Color); + BSDF = Color * microfacet_multi_ggx_glass(Normal, roughness, eta, Color); else if (distribution == "GGX") - BSDF = Color * (Fr * microfacet_ggx(Normal, Roughness) + - (1.0 - Fr) * microfacet_ggx_refraction(Normal, Roughness, eta)); + BSDF = Color * (Fr * microfacet_ggx(Normal, roughness) + + (1.0 - Fr) * microfacet_ggx_refraction(Normal, roughness, eta)); } |