arch.h

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/***************************************************************************
 *   Copyright (C) 2004-2005 by Reality Rift Studios                       *
 *   http://www.realityrift.com  -  mattias@realityrift.com                *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef neo_core_arch_h
#define neo_core_arch_h

#include "platform.h"

/***  Only use C-style syntax (comments) in this file, as it gets included in C files in the engine (jpeg, png, vorbis, theora) ***/


#define NEO_ARCH_X86 0
#define NEO_ARCH_X86_64 0
#define NEO_ARCH_PPC 0

#define NEO_ARCH_BYTEORDER_LITTLEENDIAN 0
#define NEO_ARCH_BYTEORDER_BIGENDIAN 0

#define NEO_INTEL_INTRINSICS 0

#if NEO_PLATFORM_WINDOWS

#  if NEO_PLATFORM_WINDOWS_WIN32
/*   We only support x86 on Win32 targets */
#    undef  NEO_ARCH_X86
#    define NEO_ARCH_X86 1
#  else
/*   We only support x86-64 on Win64 targets */
#    undef  NEO_ARCH_X86_64
#    define NEO_ARCH_X86_64 1
#  endif

#  undef  NEO_ARCH_BYTEORDER_LITTLEENDIAN
#  define NEO_ARCH_BYTEORDER_LITTLEENDIAN 1

#  if NEO_COMPILER_MSVC
#    undef  NEO_INTEL_INTRINSICS
#    define NEO_INTEL_INTRINSICS 1
#  endif

#elif NEO_PLATFORM_MACOSX

#  ifdef __POWERPC__

#    undef  NEO_ARCH_PPC
#    define NEO_ARCH_PPC 1

#    undef  NEO_ARCH_BYTEORDER_BIGENDIAN
#    define NEO_ARCH_BYTEORDER_BIGENDIAN 1

#  else

#    undef  NEO_ARCH_X86
#    define NEO_ARCH_X86 1

#    undef  NEO_ARCH_BYTEORDER_LITTLEENDIAN
#    define NEO_ARCH_BYTEORDER_LITTLEENDIAN 1

#  endif

#elif NEO_PLATFORM_LINUX

#  ifdef __POWERPC__

#    undef  NEO_ARCH_PPC
#    define NEO_ARCH_PPC 1

#    undef  NEO_ARCH_BYTEORDER_BIGENDIAN
#    define NEO_ARCH_BYTEORDER_BIGENDIAN 1

#  else
#    if defined __x86_64__
#      undef  NEO_ARCH_X86_64
#      define NEO_ARCH_X86_64 1
#    else
#      undef  NEO_ARCH_X86
#      define NEO_ARCH_X86 1
#    endif
#    undef  NEO_ARCH_BYTEORDER_LITTLEENDIAN
#    define NEO_ARCH_BYTEORDER_LITTLEENDIAN 1
#  endif

#else
#  error Unsupported platform
#endif

#ifdef __cplusplus

namespace neo {
namespace core {

enum Architecture
{
    ARCHITECTURE_X86          = 0,

    ARCHITECTURE_X86_64       = 1,

    ARCHITECTURE_PPC          = 2
};

enum Byteorder
{
    BYTEORDER_LITTLEENDIAN = 0,

    BYTEORDER_BIGENDIAN    = 1
};

enum CPUCaps
{
    CPUCAPS_MMX                        = 0x00000001,

    CPUCAPS_FXSR                       = 0x00000002,

    CPUCAPS_SSE                        = 0x00000004,

    CPUCAPS_SSE2                       = 0x00000008,

    CPUCAPS_3DNOW                      = 0x00000010,

    CPUCAPS_3DNOWEX                    = 0x00000020,

    CPUCAPS_ALTIVEC                    = 0x00000040,

    CPUCAPS_SSE3                       = 0x00000080
};

}
}

#endif

#endif

---