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
41 lines
1.2 KiB
Plaintext
41 lines
1.2 KiB
Plaintext
/*
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* Copyright 2011-2015 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "stdcycles.h"
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/* IES Light */
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shader node_ies_light(int use_mapping = 0,
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matrix mapping = matrix(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
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string filename = "",
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float Strength = 1.0,
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point Vector = I,
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output float Fac = 0.0)
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{
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point p = Vector;
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if (use_mapping) {
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p = transform(mapping, p);
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}
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p = normalize((vector)p);
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float v_angle = acos(-p[2]);
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float h_angle = atan2(p[0], p[1]) + M_PI;
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Fac = Strength * texture(filename, h_angle, v_angle);
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}
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