diff options
Diffstat (limited to 'intern/cycles/kernel/shaders/node_hair_bsdf.osl')
| -rw-r--r-- | intern/cycles/kernel/shaders/node_hair_bsdf.osl | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/intern/cycles/kernel/shaders/node_hair_bsdf.osl b/intern/cycles/kernel/shaders/node_hair_bsdf.osl new file mode 100644 index 00000000000..d1d7d0fb6a6 --- /dev/null +++ b/intern/cycles/kernel/shaders/node_hair_bsdf.osl @@ -0,0 +1,56 @@ +/* + * Copyright 2011, Blender Foundation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include "stdosl.h" + +shader node_hair_bsdf( + color Color = 0.8, + string component = "Reflection", + float Offset = 0.0, + float RoughnessU = 0.1, + float RoughnessV = 1.0, + normal Normal = Ng, + output closure color BSDF = 0) +{ + float IsStrand; + float roughnessh = clamp(RoughnessU, 0.001,1.0); + float roughnessv = clamp(RoughnessV, 0.001,1.0); + getattribute("geom:is_curve", IsStrand); + + if (!IsStrand) { + if (backfacing()) + BSDF = transparent(); + else { + if (component == "Reflection") + BSDF = Color * hair_reflection(Normal, roughnessh, roughnessv, normalize(dPdv), 0.0); + else + BSDF = Color * hair_transmission(Normal, roughnessh, roughnessv, normalize(dPdv), 0.0); + } + } + else { + if (backfacing()) + BSDF = transparent(); + else { + if (component == "Reflection") + BSDF = Color * hair_reflection(Normal, roughnessh, roughnessv, dPdu, -Offset); + else + BSDF = Color * hair_transmission(Normal, roughnessh, roughnessv, dPdu, -Offset); + } + } +} + |