forked from bartvdbraak/blender
df1e9b662b
There were to copies of stdosl.h one from stock OSL and one in the cycles tree augmented with cycles specific closures. moved the cycles ones to stdcycles.h and copied the stock stdosl.h and accompanying headers from the OSL shader folder. for further details see D6812. Reviewed By: brecht Differential Revision: https://developer.blender.org/D6812
58 lines
1.7 KiB
Plaintext
58 lines
1.7 KiB
Plaintext
/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "stdcycles.h"
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shader node_hair_bsdf(color Color = 0.8,
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string component = "reflection",
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float Offset = 0.0,
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float RoughnessU = 0.1,
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float RoughnessV = 1.0,
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normal Tangent = normal(0, 0, 0),
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output closure color BSDF = 0)
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{
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float roughnessh = clamp(RoughnessU, 0.001, 1.0);
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float roughnessv = clamp(RoughnessV, 0.001, 1.0);
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float offset = -Offset;
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normal T;
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float IsCurve = 0;
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getattribute("geom:is_curve", IsCurve);
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if (isconnected(Tangent)) {
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T = Tangent;
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}
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else if (!IsCurve) {
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T = normalize(dPdv);
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offset = 0.0;
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}
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else {
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T = normalize(dPdu);
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}
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if (backfacing() && IsCurve) {
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BSDF = transparent();
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}
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else {
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if (component == "reflection")
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BSDF = Color * hair_reflection(Ng, roughnessh, roughnessv, T, offset);
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else
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BSDF = Color * hair_transmission(Ng, roughnessh, roughnessv, T, offset);
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}
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}
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