config.hpp

/*
 * glslstruct - a C++ library designed to easily represent GLSL's Uniform Buffer Objects (UBOs) and Shader Storage Buffer Objects (SSBOs) in C++.
 *
 * Licensed under the BSD 3-Clause License with Attribution Requirement.
 * See the LICENSE file for details: https://github.com/MAIPA01/glslstruct/blob/main/LICENSE
 *
 * Copyright (c) 2025, Patryk Antosik (MAIPA01)
 */
 
#pragma once
#ifndef _GLSL_STRUCT_CONFIG_HPP_
    #define _GLSL_STRUCT_CONFIG_HPP_
 
/**
 *  @defgroup glslstruct GLSLStruct
 *  @brief Main group
 */
 
/**
 * @defgroup utils Utilities
 * @brief group with utilities (not for end user to use)
 * @ingroup glslstruct
 */
 
/**
 * @namespace glslstruct
 * @brief Main namespace of glslstruct library
 */
 
/**
 * @namespace glslstruct::uitls
 * @brief Utility namespace of glslstruct library
 */
 
    #pragma region VERSION
    /**
     * @brief glslstruct version major number
     * @ingroup glslstruct
     */
    #define GLSL_STRUCT_VERSION_MAJOR 1
    /**
     * @brief glslstruct version minor number
     * @ingroup glslstruct
     */
    #define GLSL_STRUCT_VERSION_MINOR 4
    /**
     * @brief glslstruct version patch number
     * @ingroup glslstruct
     */
    #define GLSL_STRUCT_VERSION_PATCH 0
 
    /**
     * @brief stringify helper
     * @ingroup utils
     */
    #define _GLSL_STRUCT_STRINGIFY_HELPER(x) #x
 
    /**
     * @brief converts version numbers to string
     * @ingroup utils
     */
    #define _GLSL_STRUCT_VERSION_TO_STRING(major, minor, patch)
        _GLSL_STRUCT_STRINGIFY_HELPER(major) "." _GLSL_STRUCT_STRINGIFY_HELPER(minor) "." _GLSL_STRUCT_STRINGIFY_HELPER(patch)
    /**
     * @brief converts version number to int
     * @ingroup utils
     */
    #define _GLSL_STRUCT_VERSION_TO_INT(major, minor, patch) (major * 100 + minor * 10 + patch)
 
    /**
     * @brief glslstruct version string
     * @ingroup glslstruct
     */
    #define GLSL_STRUCT_VERSION_STRING
        _GLSL_STRUCT_VERSION_TO_STRING(GLSL_STRUCT_VERSION_MAJOR, GLSL_STRUCT_VERSION_MINOR, GLSL_STRUCT_VERSION_PATCH)
    /**
     * @brief glslstruct version int
     * @ingroup glslstruct
     */
    #define GLSL_STRUCT_VERSION_INT
        _GLSL_STRUCT_VERSION_TO_INT(GLSL_STRUCT_VERSION_MAJOR, GLSL_STRUCT_VERSION_MINOR, GLSL_STRUCT_VERSION_PATCH)
    /**
     * @brief glslstruct version string
     * @ingroup glslstruct
     */
    #define GLSL_STRUCT_VERSION GLSL_STRUCT_VERSION_STRING
    #pragma endregion
 
    #pragma region LAST_UPDATE
    /**
     * @brief glslstruct last update day
     * @ingroup glslstruct
     */
    #define GLSL_STRUCT_LAST_UPDATE_DAY 13
    /**
     * @brief glslstruct last update month
     * @ingroup glslstruct
     */
    #define GLSL_STRUCT_LAST_UPDATE_MONTH 04
    /**
     * @brief glslstruct last update year
     * @ingroup glslstruct
     */
    #define GLSL_STRUCT_LAST_UPDATE_YEAR 2026
 
    /**
     * @brief converts last update date to string
     * @ingroup utils
     */
    #define _GLSL_STRUCT_LAST_UPDATE_DATE_HELPER(day, month, year)
        _GLSL_STRUCT_STRINGIFY_HELPER(day) "." _GLSL_STRUCT_STRINGIFY_HELPER(month) "." _GLSL_STRUCT_STRINGIFY_HELPER(year)
 
    /**
     * @brief glslstruct last update date string
     * @ingroup glslstruct
     */
    #define GLSL_STRUCT_LAST_UPDATE_DATE
        _GLSL_STRUCT_LAST_UPDATE_DATE_HELPER(GLSL_STRUCT_LAST_UPDATE_DAY, GLSL_STRUCT_LAST_UPDATE_MONTH,
          GLSL_STRUCT_LAST_UPDATE_YEAR)
    #pragma endregion
 
    #pragma region CXX_VERSIONS
/**
 * @def _GLSL_STRUCT_HAS_CXX17
 * @brief check if compiler has c++ version greater or equal to c++17
 * @ingroup utils
 */
    #ifndef _HAS_CXX17
    // clang-format off
        #define _GLSL_STRUCT_HAS_CXX17 __cplusplus >= 201703l
    // clang-format on
    #else
        #define _GLSL_STRUCT_HAS_CXX17 _HAS_CXX17
    #endif
 
    /**
     * @def _GLSL_STRUCT_HAS_CXX20
     * @brief check if compiler has c++ version greater or equal to c++20 and if user enabled c++20 features using GLSL_STRUCT_ENABLE_CXX20
     * @ingroup utils
     */
    #ifndef GLSL_STRUCT_ENABLE_CXX20
        #define _GLSL_STRUCT_HAS_CXX20 0
    #elif !defined(_HAS_CXX20)
    // clang-format off
        #define _GLSL_STRUCT_HAS_CXX20 __cplusplus >= 202002l && GLSL_STRUCT_ENABLE_CXX20
    // clang-format on
    #else
        #define _GLSL_STRUCT_HAS_CXX20 _HAS_CXX20&& GLSL_STRUCT_ENABLE_CXX20
    #endif
    #pragma endregion
 
    #pragma region TYPES
/**
 * @def _GLSL_STRUCT_HAS_TYPES
 * @brief check if user not disabled type containers using GLSL_STRUCT_DISABLE_TYPES
 * @ingroup utils
 */
 
    #ifdef GLSL_STRUCT_DISABLE_TYPES
        #define _GLSL_STRUCT_HAS_TYPES 0
    #else
        #define _GLSL_STRUCT_HAS_TYPES _GLSL_STRUCT_HAS_CXX17
    #endif
 
/**
 * @def _GLSL_STRUCT_HAS_TYPE_CHECKS
 * @brief check if user enabled type checks for struct getters using GLSL_STRUCT_ENABLE_TYPE_CHECKS (remember it only works if GLSL_STRUCT_DISABLE_TYPES was not set)
 * @ingroup utils
 */
    #if defined(GLSL_STRUCT_ENABLE_TYPE_CHECKS) && !defined(GLSL_STRUCT_DISABLE_TYPES)
        #define _GLSL_STRUCT_HAS_TYPE_CHECKS 1
    #else
        #define _GLSL_STRUCT_HAS_TYPE_CHECKS 0
    #endif
    #pragma endregion
 
/**
 * @def _GLSL_STRUCT_HAS_PARSER
 * @brief check if user want to include parser functionality
 * @ingroup utils
 */
 
    #ifdef GLSL_STRUCT_DISABLE_PARSER
        #define _GLSL_STRUCT_HAS_PARSER 0
    #else
        #define _GLSL_STRUCT_HAS_PARSER _GLSL_STRUCT_HAS_CXX17
    #endif
 
    #pragma region VERSION_SPECIFIC_VALUES
/**
 * @def _GLSL_STRUCT_CONSTEXPR17
 * @brief constexpr for c++17 and higher
 * @ingroup utils
 */
    #if _GLSL_STRUCT_HAS_CXX17
        #define _GLSL_STRUCT_CONSTEXPR17 constexpr
    #else
        #define _GLSL_STRUCT_CONSTEXPR17
    #endif
 
/**
 * @def _GLSL_STRUCT_CONSTEXPR20
 * @brief constexpr keyword for c++20 and higher
 * @ingroup utils
 */
 
/**
 * @def _GLSL_STRUCT_REQUIRES(condition)
 * @brief requires keyword for c++20 and higher
 * @ingroup utils
 */
    #if _GLSL_STRUCT_HAS_CXX20
        #define _GLSL_STRUCT_CONSTEXPR20         constexpr
        #define _GLSL_STRUCT_REQUIRES(condition) requires (condition)
        #define _GLSL_STRUCT_INLINE17
        #define _GLSL_STRUCT_TYPENAME17
    #else
        #define _GLSL_STRUCT_CONSTEXPR20
        #define _GLSL_STRUCT_REQUIRES(condition)
        #if _GLSL_STRUCT_HAS_CXX17
            #define _GLSL_STRUCT_INLINE17   inline
            #define _GLSL_STRUCT_TYPENAME17 typename
        #else
            #define _GLSL_STRUCT_INLINE17
            #define _GLSL_STRUCT_TYPENAME17
        #endif
    #endif
    #pragma endregion
 
    #include <mstd/mstd.hpp>
 
    /**
     * @brief compiler message
     * @ingroup utils
     */
    #define _GLSL_STRUCT_MESSAGE(MESSAGE) _MSTD_MESSAGE(MESSAGE)
    /**
     * @brief compiler warning
     * @ingroup utils
     */
    #define _GLSL_STRUCT_WARNING(MESSAGE) _MSTD_WARNING(MESSAGE)
    /**
     * @brief compiler error
     * @ingroup utils
     */
    #define _GLSL_STRUCT_ERROR(MESSAGE) _MSTD_ERROR(MESSAGE)
#endif