92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
/***************************************************************************
|
|
|
|
kcpuinfo.h
|
|
|
|
(c) 2000-2017 Benoît Minisini <g4mba5@gmail.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, 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., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA.
|
|
|
|
***************************************************************************/
|
|
|
|
/*
|
|
* This file is part of the KDE libraries
|
|
* Copyright (C) 2003 Fredrik Höglund <fredrik@kde.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __KCPUINFO_H
|
|
#define __KCPUINFO_H
|
|
|
|
|
|
/**
|
|
* This class provides a means for applications to obtain information at
|
|
* runtime about processor support for certain architecture extensions,
|
|
* such as MMX, SSE, 3DNow and AltiVec.
|
|
*
|
|
* @since 3.2
|
|
*/
|
|
class KCPUInfo
|
|
{
|
|
public:
|
|
/**
|
|
* This enum contains the list of architecture extensions you
|
|
* can query.
|
|
*/
|
|
enum Extensions {
|
|
IntelMMX = 1 << 0, //!< Intel's MMX instructions.
|
|
IntelSSE = 1 << 1, //!< Intel's SSE instructions.
|
|
IntelSSE2 = 1 << 2, //!< Intel's SSE2 instructions.
|
|
AMD3DNOW = 1 << 3, //!< AMD 3DNOW instructions
|
|
AltiVec = 1 << 4 //!< Motorola AltiVec instructions
|
|
};
|
|
|
|
/**
|
|
* Returns true if the processor supports @p extension,
|
|
* and false otherwise.
|
|
*
|
|
* @param extension the feature to query.
|
|
* @return If true, the processor supports @p extension.
|
|
* @see Extensions
|
|
*/
|
|
static bool haveExtension( unsigned int extension )
|
|
{ return s_features & extension; }
|
|
|
|
private:
|
|
static unsigned int s_features;
|
|
};
|
|
|
|
#endif
|
|
|