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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/*
* Mesa 3-D graphics library
* Version: 7.5
*
* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "main/compiler.h"
#include "main/cpuinfo.h"
/**
* This function should be called before the various "cpu_has_foo" macros
* are used.
*/
void
_mesa_get_cpu_features(void)
{
#ifdef USE_X86_ASM
_mesa_get_x86_features();
#endif
}
/**
* Return a string describing the CPU architexture and extensions that
* Mesa is using (such as SSE or Altivec).
* \return information string, free it with free()
*/
char *
_mesa_get_cpu_string(void)
{
#define MAX_STRING 50
char *buffer;
buffer = (char *) malloc(MAX_STRING);
if (!buffer)
return NULL;
buffer[0] = 0;
#ifdef USE_X86_ASM
if (_mesa_x86_cpu_features) {
strcat(buffer, "x86");
}
# ifdef USE_MMX_ASM
if (cpu_has_mmx) {
strcat(buffer, (cpu_has_mmxext) ? "/MMX+" : "/MMX");
}
# endif
# ifdef USE_3DNOW_ASM
if (cpu_has_3dnow) {
strcat(buffer, (cpu_has_3dnowext) ? "/3DNow!+" : "/3DNow!");
}
# endif
# ifdef USE_SSE_ASM
if (cpu_has_xmm) {
strcat(buffer, (cpu_has_xmm2) ? "/SSE2" : "/SSE");
}
# endif
#elif defined(USE_SPARC_ASM)
strcat(buffer, "SPARC");
#elif defined(USE_PPC_ASM)
if (_mesa_ppc_cpu_features) {
strcat(buffer, (cpu_has_64) ? "PowerPC 64" : "PowerPC");
}
# ifdef USE_VMX_ASM
if (cpu_has_vmx) {
strcat(buffer, "/Altivec");
}
# endif
if (! cpu_has_fpu) {
strcat(buffer, "/No FPU");
}
#endif
assert(strlen(buffer) < MAX_STRING);
return buffer;
}
|
