diff options
Diffstat (limited to 'intern/cycles/kernel/shaders/node_glass_bsdf.osl')
| -rw-r--r-- | intern/cycles/kernel/shaders/node_glass_bsdf.osl | 44 |
1 files changed, 21 insertions, 23 deletions
diff --git a/intern/cycles/kernel/shaders/node_glass_bsdf.osl b/intern/cycles/kernel/shaders/node_glass_bsdf.osl index 2e713861c58..c0b8a002536 100644 --- a/intern/cycles/kernel/shaders/node_glass_bsdf.osl +++ b/intern/cycles/kernel/shaders/node_glass_bsdf.osl @@ -17,29 +17,27 @@ #include "stdosl.h" #include "node_fresnel.h" -shader node_glass_bsdf( - color Color = 0.8, - string distribution = "sharp", - float Roughness = 0.2, - float IOR = 1.45, - normal Normal = N, - output closure color BSDF = 0) +shader node_glass_bsdf(color Color = 0.8, + string distribution = "sharp", + float Roughness = 0.2, + float IOR = 1.45, + normal Normal = N, + output closure color BSDF = 0) { - float f = max(IOR, 1e-5); - float eta = backfacing() ? 1.0 / f : f; - float cosi = dot(I, Normal); - float Fr = fresnel_dielectric_cos(cosi, eta); - float roughness = Roughness * Roughness; + float f = max(IOR, 1e-5); + 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)); - else if (distribution == "Multiscatter GGX") - 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)); + 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)); + else if (distribution == "Multiscatter GGX") + 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)); } - |