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73 lines
2.1 KiB
73 lines
2.1 KiB
/*
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Copyright (C) 2001 Malte Starostik <malte@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef _arts_cpuinfo_h
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#define _arts_cpuinfo_h
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#include "arts_export.h"
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/*
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* BC - Status (2002-03-08): CpuInfo
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*
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* This class will be kept binary compatible - it just exports the static
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* CpuInfo::flags() function as only functionality.
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*/
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namespace Arts {
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/**
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* Provides information about the availability of the various
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* "Multimedia extensions" the CPU supports. If you implement
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* a routine in assembler, use @ref flags() to know which
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* SIMD instructions the user's CPU knows about.
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*
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* @short Information about the CPU's SIMD implementation
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*/
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class ARTS_EXPORT CpuInfo
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{
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public:
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/**
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* Values for the detected features of the CPU:
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* @li CpuMMX - CPU supports MMX
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* @li CpuEMMX - CPU supports Cyrix Extended MMX
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* @li Cpu3DNow - CPU supports AMD 3DNow!
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* @li CpuSSE - CPU supports Intel SSE
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*/
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enum Flags
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{
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CpuMMX = 0x001, // Pentium MMX
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CpuEMMX = 0x002, // Cyrix Extended MMX
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Cpu3DNow = 0x004, // AMD 3DNow!
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CpuSSE = 0x008 // Pentium III SSE
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};
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/**
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* @return the @ref Flags values that correspond to the
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* CPU's features. Multiple values are bitwised or'ed
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*/
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static int flags() { return s_flags; }
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private:
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friend class CpuInfoStartup;
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static int s_flags;
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};
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}
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#endif // _arts_cpuinfo_h
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