compute_tangent_bitangent.h

/*
 * Copyright 2020 Adobe. All rights reserved.
 * This file is licensed to you 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 REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
#pragma once
 
#ifdef LAGRANGE_ENABLE_LEGACY_FUNCTIONS
    #include <lagrange/legacy/compute_tangent_bitangent.h>
#endif
 
#include <lagrange/SurfaceMesh.h>
 
#include <string_view>
 
namespace lagrange {
 
 
struct TangentBitangentOptions
{
    std::string_view tangent_attribute_name = "@tangent";
 
    std::string_view bitangent_attribute_name = "@bitangent";
 
    std::string_view uv_attribute_name = "";
 
    std::string_view normal_attribute_name = "";
 
    AttributeElement output_element_type = AttributeElement::Indexed;
 
    bool pad_with_sign = false;
};
 
struct TangentBitangentResult
{
    AttributeId tangent_id = invalid_attribute_id();
 
    AttributeId bitangent_id = invalid_attribute_id();
};
 
template <typename Scalar, typename Index>
TangentBitangentResult compute_tangent_bitangent(
    SurfaceMesh<Scalar, Index>& mesh,
    TangentBitangentOptions options = {});
 
 
} // namespace lagrange