path: root/src/common/common.h

// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#pragma once

// DO NOT EVER INCLUDE <windows.h> directly _or indirectly_ from this file
// since it slows down the build a lot.

#include <cstdlib>
#include <cstdio>
#include <cstring>

#define STACKALIGN

// An inheritable class to disallow the copy constructor and operator= functions
class NonCopyable
{
protected:
    NonCopyable() {}
    NonCopyable(const NonCopyable&&) {}
    void operator=(const NonCopyable&&) {}
private:
    NonCopyable(NonCopyable&);
    NonCopyable& operator=(NonCopyable& other);
};

#include "common/assert.h"
#include "common/logging/log.h"
#include "common/common_types.h"
#include "common/common_funcs.h"
#include "common/common_paths.h"
#include "common/platform.h"

#ifdef __APPLE__
// The Darwin ABI requires that stack frames be aligned to 16-byte boundaries.
// This is only needed on i386 gcc - x86_64 already aligns to 16 bytes.
    #if defined __i386__ && defined __GNUC__
        #undef STACKALIGN
        #define STACKALIGN __attribute__((__force_align_arg_pointer__))
    #endif
#elif defined _WIN32
// Check MSC ver
    #if defined _MSC_VER && _MSC_VER <= 1000
        #error needs at least version 1000 of MSC
    #endif

    #ifndef NOMINMAX
    #define NOMINMAX
    #endif

// Alignment
    #define MEMORY_ALIGNED16(x) __declspec(align(16)) x
    #define MEMORY_ALIGNED32(x) __declspec(align(32)) x
    #define MEMORY_ALIGNED64(x) __declspec(align(64)) x
    #define MEMORY_ALIGNED128(x) __declspec(align(128)) x
    #define MEMORY_ALIGNED16_DECL(x) __declspec(align(16)) x
    #define MEMORY_ALIGNED64_DECL(x) __declspec(align(64)) x
#endif

// Windows compatibility
#ifndef _WIN32
    #ifdef _LP64
        #define _M_X64 1
    #else
        #define _M_IX86 1
    #endif
    #define __forceinline inline __attribute__((always_inline))
    #define MEMORY_ALIGNED16(x) __attribute__((aligned(16))) x
    #define MEMORY_ALIGNED32(x) __attribute__((aligned(32))) x
    #define MEMORY_ALIGNED64(x) __attribute__((aligned(64))) x
    #define MEMORY_ALIGNED128(x) __attribute__((aligned(128))) x
    #define MEMORY_ALIGNED16_DECL(x) __attribute__((aligned(16))) x
    #define MEMORY_ALIGNED64_DECL(x) __attribute__((aligned(64))) x
#endif

#ifdef _MSC_VER
    #define __strdup _strdup
    #define __getcwd _getcwd
    #define __chdir _chdir
#else
    #define __strdup strdup
    #define __getcwd getcwd
    #define __chdir chdir
#endif

#if defined _M_GENERIC
#  define _M_SSE 0x0
#elif defined __GNUC__
# if defined __SSE4_2__
#  define _M_SSE 0x402
# elif defined __SSE4_1__
#  define _M_SSE 0x401
# elif defined __SSSE3__
#  define _M_SSE 0x301
# elif defined __SSE3__
#  define _M_SSE 0x300
# endif
#elif (_MSC_VER >= 1500) || __INTEL_COMPILER // Visual Studio 2008
#  define _M_SSE 0x402
#endif

// Host communication.
enum HOST_COMM
{
    // Begin at 10 in case there is already messages with wParam = 0, 1, 2 and so on
    WM_USER_STOP = 10,
    WM_USER_CREATE,
    WM_USER_SETCURSOR,
};

// Used for notification on emulation state
enum EMUSTATE_CHANGE
{
    EMUSTATE_CHANGE_PLAY = 1,
    EMUSTATE_CHANGE_PAUSE,
    EMUSTATE_CHANGE_STOP
};


#ifdef _MSC_VER
inline unsigned long long bswap64(unsigned long long x) { return _byteswap_uint64(x); }
inline unsigned int bswap32(unsigned int x) { return _byteswap_ulong(x); }
inline unsigned short bswap16(unsigned short x) { return _byteswap_ushort(x); }
#else
// TODO: speedup
inline unsigned short bswap16(unsigned short x) { return (x << 8) | (x >> 8); }
inline unsigned int bswap32(unsigned int x) { return (x >> 24) | ((x & 0xFF0000) >> 8) | ((x & 0xFF00) << 8) | (x << 24);}
inline unsigned long long bswap64(unsigned long long x) {return ((unsigned long long)bswap32(x) << 32) | bswap32(x >> 32); }
#endif

inline float bswapf(float f) {
    union {
        float f;
        unsigned int u32;
    } dat1, dat2;

    dat1.f = f;
    dat2.u32 = bswap32(dat1.u32);

    return dat2.f;
}

inline double bswapd(double f) {
    union  {
        double f;
        unsigned long long u64;
    } dat1, dat2;

    dat1.f = f;
    dat2.u64 = bswap64(dat1.u64);

    return dat2.f;
}

#include "swap.h"