diff options
Diffstat (limited to 'intern/cycles/kernel/osl/shaders/node_glossy_bsdf.osl')
-rw-r--r-- | intern/cycles/kernel/osl/shaders/node_glossy_bsdf.osl | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/intern/cycles/kernel/osl/shaders/node_glossy_bsdf.osl b/intern/cycles/kernel/osl/shaders/node_glossy_bsdf.osl new file mode 100644 index 00000000000..c73604d3650 --- /dev/null +++ b/intern/cycles/kernel/osl/shaders/node_glossy_bsdf.osl @@ -0,0 +1,38 @@ +/* + * Copyright 2011-2013 Blender Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "node_fresnel.h" +#include "stdcycles.h" + +shader node_glossy_bsdf(color Color = 0.8, + string distribution = "GGX", + float Roughness = 0.2, + normal Normal = N, + output closure color BSDF = 0) +{ + float roughness = Roughness * Roughness; + + if (distribution == "sharp") + BSDF = Color * reflection(Normal); + else if (distribution == "beckmann") + BSDF = Color * microfacet_beckmann(Normal, roughness); + else if (distribution == "GGX") + BSDF = Color * microfacet_ggx(Normal, roughness); + else if (distribution == "Multiscatter GGX") + BSDF = Color * microfacet_multi_ggx(Normal, roughness, Color); + else + BSDF = Color * ashikhmin_shirley(Normal, vector(0, 0, 0), roughness, roughness); +} |