varpara_fns.hpp

#pragma once
#ifndef OGLPLUS_PROG_VAR_VARPARA_FNS_1107121519_HPP
#define OGLPLUS_PROG_VAR_VARPARA_FNS_1107121519_HPP

#include <oglplus/glfunc.hpp>
#include <type_traits>

namespace oglplus {

#define OGLPLUS_AUX_VARPARA_FNC(NAME, SUFFIX, SELECTOR, TYPE, NPARAM)\
    static inline std::decay< \
        decltype( :: gl ## NAME ## SUFFIX ) \
    >::type _fns_ ## SELECTOR( \
        std::integral_constant<std::size_t, NPARAM>, \
        const TYPE*, ... \
    ) \
    { \
        return OGLPLUS_GLFUNC(NAME ## SUFFIX); \
    }

#define OGLPLUS_AUX_VARPARA_FNS(NAME, SUFFIX, SELECTOR, TYPE) \
    OGLPLUS_AUX_VARPARA_FNC(NAME ## 1, SUFFIX, SELECTOR, TYPE, 1) \
    OGLPLUS_AUX_VARPARA_FNC(NAME ## 2, SUFFIX, SELECTOR, TYPE, 2) \
    OGLPLUS_AUX_VARPARA_FNC(NAME ## 3, SUFFIX, SELECTOR, TYPE, 3) \
    OGLPLUS_AUX_VARPARA_FNC(NAME ## 4, SUFFIX, SELECTOR, TYPE, 4)

#define OGLPLUS_AUX_VARPARA_FNS_EXT(NAME, SUFFIX, EXT, SELECTOR, TYPE) \
    OGLPLUS_AUX_VARPARA_FNS(NAME, SUFFIX##EXT, SELECTOR, TYPE)

#define OGLPLUS_AUX_VARPARA_MAT_FNC(NAME, SUFFIX, SELECTOR, TYPE, C, R, CxR)\
    static inline std::decay< \
        decltype( :: gl ## NAME ## CxR ## SUFFIX ) \
    >::type _fns_ ## SELECTOR( \
        std::integral_constant<std::size_t, C>, \
        std::integral_constant<std::size_t, R>, \
        const TYPE*, ... \
    ) \
    { \
        return OGLPLUS_GLFUNC(NAME ## CxR ## SUFFIX); \
    }

#define OGLPLUS_AUX_VARPARA_MAT_FNS(NAME, SUFFIX, SELECTOR, TYPE) \
    OGLPLUS_AUX_VARPARA_MAT_FNC(NAME, SUFFIX, SELECTOR, TYPE, 2, 2, 2) \
    OGLPLUS_AUX_VARPARA_MAT_FNC(NAME, SUFFIX, SELECTOR, TYPE, 2, 3, 2x3) \
    OGLPLUS_AUX_VARPARA_MAT_FNC(NAME, SUFFIX, SELECTOR, TYPE, 2, 4, 2x4) \
    OGLPLUS_AUX_VARPARA_MAT_FNC(NAME, SUFFIX, SELECTOR, TYPE, 3, 2, 3x2) \
    OGLPLUS_AUX_VARPARA_MAT_FNC(NAME, SUFFIX, SELECTOR, TYPE, 3, 3, 3) \
    OGLPLUS_AUX_VARPARA_MAT_FNC(NAME, SUFFIX, SELECTOR, TYPE, 3, 4, 3x4) \
    OGLPLUS_AUX_VARPARA_MAT_FNC(NAME, SUFFIX, SELECTOR, TYPE, 4, 2, 4x2) \
    OGLPLUS_AUX_VARPARA_MAT_FNC(NAME, SUFFIX, SELECTOR, TYPE, 4, 3, 4x3) \
    OGLPLUS_AUX_VARPARA_MAT_FNC(NAME, SUFFIX, SELECTOR, TYPE, 4, 4, 4)

#define OGLPLUS_AUX_VARPARA_MAT_FNS_EXT(NAME, SUFFIX, EXT, SELECTOR, TYPE) \
    OGLPLUS_AUX_VARPARA_MAT_FNS(NAME, SUFFIX##EXT, SELECTOR, TYPE)

} // namespace oglplus

#endif // include guard