blender/intern/cycles/kernel/shaders/node_mapping.osl

/*
 * 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 "stdosl.h"

shader node_mapping(matrix Matrix = matrix(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
                    point mapping_min = point(0.0, 0.0, 0.0),
                    point mapping_max = point(0.0, 0.0, 0.0),
                    int use_minmax = 0,
                    point VectorIn = point(0.0, 0.0, 0.0),
                    output point VectorOut = point(0.0, 0.0, 0.0))
{
  point p = transform(Matrix, VectorIn);

  if (use_minmax)
    p = min(max(mapping_min, p), mapping_max);

  VectorOut = p;
}