diff options
Diffstat (limited to 'intern/cycles/kernel/shaders/node_anisotropic_bsdf.osl')
-rw-r--r-- | intern/cycles/kernel/shaders/node_anisotropic_bsdf.osl | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/intern/cycles/kernel/shaders/node_anisotropic_bsdf.osl b/intern/cycles/kernel/shaders/node_anisotropic_bsdf.osl deleted file mode 100644 index 739cd375ab2..00000000000 --- a/intern/cycles/kernel/shaders/node_anisotropic_bsdf.osl +++ /dev/null @@ -1,57 +0,0 @@ -/* - * 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 "stdcycles.h" - -shader node_anisotropic_bsdf(color Color = 0.0, - string distribution = "GGX", - float Roughness = 0.0, - float Anisotropy = 0.0, - float Rotation = 0.0, - normal Normal = N, - normal Tangent = normalize(dPdu), - output closure color BSDF = 0) -{ - /* rotate tangent around normal */ - vector T = Tangent; - - if (Rotation != 0.0) - T = rotate(T, Rotation * M_2PI, point(0.0, 0.0, 0.0), Normal); - - /* compute roughness */ - float roughness = Roughness * Roughness; - float roughness_u, roughness_v; - float aniso = clamp(Anisotropy, -0.99, 0.99); - - if (aniso < 0.0) { - roughness_u = roughness / (1.0 + aniso); - roughness_v = roughness * (1.0 + aniso); - } - else { - roughness_u = roughness * (1.0 - aniso); - roughness_v = roughness / (1.0 - aniso); - } - - if (distribution == "sharp") - BSDF = Color * reflection(Normal); - else if (distribution == "beckmann") - BSDF = Color * microfacet_beckmann_aniso(Normal, T, roughness_u, roughness_v); - else if (distribution == "GGX") - BSDF = Color * microfacet_ggx_aniso(Normal, T, roughness_u, roughness_v); - else if (distribution == "Multiscatter GGX") - BSDF = Color * microfacet_multi_ggx_aniso(Normal, T, roughness_u, roughness_v, Color); - else - BSDF = Color * ashikhmin_shirley(Normal, T, roughness_u, roughness_v); -} |