rk_engine/cpp/types.hpp

// Copyright (C) 2022 RozK
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#ifndef _RK_ENGINE_TYPES_H
#define _RK_ENGINE_TYPES_H

#include <cstdbool>
#include <cstdint>

#define RK_EXPORT extern "C"
#define RK_HOT gnu::hot
#define RK_FLATTEN gnu::flatten
#define RK_UNROLLED gnu::optimize("unroll-loops")
#define RK_FAST gnu::optimize("Ofast")
#define RK_INVALID_HANDLE nullptr
#define RK_FLAG(_bit) (1 << (_bit))

typedef bool rk_bool;
typedef char rk_char;
typedef wchar_t rk_wchar;
typedef int8_t rk_byte;
typedef uint8_t rk_ubyte;
typedef int16_t rk_short;
typedef uint16_t rk_ushort;
typedef int32_t rk_int;
typedef uint32_t rk_uint;
typedef int64_t rk_long;
typedef uint64_t rk_ulong;
typedef __int128 rk_llong;
typedef unsigned __int128 rk_ullong;
typedef float rk_float;
typedef void * rk_handle_t;

static_assert(sizeof(rk_char) == 1);
static_assert(sizeof(rk_wchar) == 4);
static_assert(sizeof(rk_float) == 4);

#pragma pack(push, 4)

template<bool _signed, unsigned _cols>
struct rk_packed {
};

template<unsigned _cols>
struct alignas(alignof(rk_int)) rk_packed<true, _cols> {
    typedef rk_int type;
    rk_int packed;
};

template<unsigned _cols>
struct alignas(alignof(rk_uint)) rk_packed<false, _cols> {
    typedef rk_uint type;
    rk_uint packed;
};

#pragma pack(pop)

#endif // _RK_ENGINE_TYPES_H