sync_attribs.hpp

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#ifndef EGLPLUS_EGL_API_SYNC_ATTRIBS_HPP
#define EGLPLUS_EGL_API_SYNC_ATTRIBS_HPP
 
#include "config.hpp"
#include "enum_types.hpp"
#include <eagine/key_val_list.hpp>
 
namespace eagine::eglp {
 
struct sync_attrib_traits {
    using key_type = sync_attribute;
    using conv_type = egl_types::attrib_type;
    using value_type = egl_types::attrib_type;
 
    static constexpr auto terminator() noexcept -> value_type {
#ifdef EGL_NONE
        return EGL_NONE;
#else
        return 0;
#endif
    }
};
 
template <std::size_t N>
using sync_attributes = key_value_list<sync_attrib_traits, N>;
 
using sync_attribute_value = key_value_list_element<sync_attrib_traits>;
 
static constexpr auto
operator|(sync_attribute key, egl_types::int_type value) noexcept
  -> sync_attribute_value {
    return {key, value};
}
 
static constexpr auto operator|(sync_attribute key, bool value) noexcept
  -> sync_attribute_value {
#if defined(EGL_TRUE) && defined(EGL_FALSE)
    return {key, value ? EGL_TRUE : EGL_FALSE};
#else
    return {key, value ? 1 : 0};
#endif
}
 
} // namespace eagine::eglp
 
#endif // EGLPLUS_EGL_API_SYNC_ATTRIBS_HPP