1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* This file is part of the KDE libraries
* Copyright (C) 2003 Fredrik Hglund <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
#include <kdelibs_export.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 KDEFX_EXPORT 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) != 0; }
private:
static unsigned int s_features;
};
#endif
|
