blender/intern/cycles/kernel/svm/mapping_util.h

/* SPDX-License-Identifier: Apache-2.0
 * Copyright 2011-2022 Blender Foundation */

#pragma once

CCL_NAMESPACE_BEGIN

ccl_device float3
svm_mapping(NodeMappingType type, float3 vector, float3 location, float3 rotation, float3 scale)
{
  Transform rotationTransform = euler_to_transform(rotation);
  switch (type) {
    case NODE_MAPPING_TYPE_POINT:
      return transform_direction(&rotationTransform, (vector * scale)) + location;
    case NODE_MAPPING_TYPE_TEXTURE:
      return safe_divide_float3_float3(
          transform_direction_transposed(&rotationTransform, (vector - location)), scale);
    case NODE_MAPPING_TYPE_VECTOR:
      return transform_direction(&rotationTransform, (vector * scale));
    case NODE_MAPPING_TYPE_NORMAL:
      return safe_normalize(
          transform_direction(&rotationTransform, safe_divide_float3_float3(vector, scale)));
    default:
      return make_float3(0.0f, 0.0f, 0.0f);
  }
}

CCL_NAMESPACE_END