cube-map.hpp

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/*
 * Copyright (C) 2023  Christopher J. Howard
 *
 * This file is part of Antkeeper source code.
 *
 * Antkeeper source code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Antkeeper source code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Antkeeper source code.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef ANTKEEPER_GL_CUBE_MAP_HPP
#define ANTKEEPER_GL_CUBE_MAP_HPP
 
#include <cstdint>
 
namespace gl {
 
enum class cube_map_layout: std::uint8_t
{
    unknown,
    
    column,
    
    row,
    
    vertical_cross,
    
    horizontal_cross,
    
    equirectangular,
    
    spherical
};
 
[[nodiscard]] cube_map_layout infer_cube_map_layout(std::uint32_t width, std::uint32_t height) noexcept;
 
[[nodiscard]] std::uint32_t infer_cube_map_face_width(std::uint32_t width, std::uint32_t height, cube_map_layout layout) noexcept;
 
} // namespace gl
 
#endif // ANTKEEPER_GL_CUBE_MAP_HPP