diff options
Diffstat (limited to 'intern/cycles/kernel/osl/shaders/node_hair_bsdf.osl')
-rw-r--r-- | intern/cycles/kernel/osl/shaders/node_hair_bsdf.osl | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/intern/cycles/kernel/osl/shaders/node_hair_bsdf.osl b/intern/cycles/kernel/osl/shaders/node_hair_bsdf.osl new file mode 100644 index 00000000000..3e0ac7af2e0 --- /dev/null +++ b/intern/cycles/kernel/osl/shaders/node_hair_bsdf.osl @@ -0,0 +1,57 @@ +/* + * 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 "stdcycles.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 Tangent = normal(0, 0, 0), + output closure color BSDF = 0) +{ + float roughnessh = clamp(RoughnessU, 0.001, 1.0); + float roughnessv = clamp(RoughnessV, 0.001, 1.0); + float offset = -Offset; + + normal T; + float IsCurve = 0; + getattribute("geom:is_curve", IsCurve); + + if (isconnected(Tangent)) { + T = Tangent; + } + else if (!IsCurve) { + T = normalize(dPdv); + offset = 0.0; + } + else { + T = normalize(dPdu); + } + + if (backfacing() && IsCurve) { + BSDF = transparent(); + } + else { + if (component == "reflection") + BSDF = Color * hair_reflection(Ng, roughnessh, roughnessv, T, offset); + else + BSDF = Color * hair_transmission(Ng, roughnessh, roughnessv, T, offset); + } +} |