obs-StreamFX/source/util/util-bitmask.hpp

// AUTOGENERATED COPYRIGHT HEADER START
// Copyright (C) 2020-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
// AUTOGENERATED COPYRIGHT HEADER END

#pragma once
#include "warning-disable.hpp"
#include <cstddef>
#include <type_traits>
#include "warning-enable.hpp"

template<typename Enum>
struct enable_bitmask_operators {
	static const bool enable = false;
};

template<typename Enum>
typename std::enable_if<enable_bitmask_operators<Enum>::enable, Enum>::type operator|(Enum lhs, Enum rhs)
{
	using underlying = typename std::underlying_type<Enum>::type;
	return static_cast<Enum>(static_cast<underlying>(lhs) | static_cast<underlying>(rhs));
}

template<typename Enum>
typename std::enable_if<enable_bitmask_operators<Enum>::enable, Enum>::type operator&(Enum lhs, Enum rhs)
{
	using underlying = typename std::underlying_type<Enum>::type;
	return static_cast<Enum>(static_cast<underlying>(lhs) & static_cast<underlying>(rhs));
}

template<typename Enum>
typename std::enable_if<enable_bitmask_operators<Enum>::enable, bool>::type any(Enum lhs)
{
	using underlying = typename std::underlying_type<Enum>::type;
	return static_cast<underlying>(lhs) != static_cast<underlying>(0);
}

template<typename Enum>
typename std::enable_if<enable_bitmask_operators<Enum>::enable, bool>::type exact(Enum lhs, Enum rhs)
{
	using underlying = typename std::underlying_type<Enum>::type;
	return static_cast<underlying>(lhs) == static_cast<underlying>(rhs);
}

template<typename Enum>
typename std::enable_if<enable_bitmask_operators<Enum>::enable, bool>::type has(Enum lhs, Enum rhs)
{
	using underlying = typename std::underlying_type<Enum>::type;
	return (lhs & rhs) == rhs;
}

#define P_ENABLE_BITMASK_OPERATORS(x)    \
	template<>                           \
	struct enable_bitmask_operators<x> { \
		static const bool enable = true; \
	};