Mercurial > sdl-ios-xcode
annotate src/cpuinfo/SDL_cpuinfo.c @ 793:c20f08c4f437
Altivec detection on non-MacOS X systems
author | Sam Lantinga <slouken@libsdl.org> |
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date | Thu, 29 Jan 2004 05:22:23 +0000 |
parents | 07760c8854d1 |
children | 275708f2e838 |
rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2004 Sam Lantinga |
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4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Library General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Library General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Library General Public |
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16 License along with this library; if not, write to the Free |
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 |
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23 #ifdef SAVE_RCSID |
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24 static char rcsid = |
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25 "@(#) $Id$"; |
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26 #endif |
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27 |
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28 /* CPU feature detection for SDL */ |
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29 |
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30 #ifdef unix /* FIXME: Better setjmp detection? */ |
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31 #define USE_SETJMP |
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32 #include <signal.h> |
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33 #include <setjmp.h> |
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34 #endif |
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35 |
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36 #include "SDL.h" |
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37 #include "SDL_cpuinfo.h" |
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38 |
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Date: Tue, 6 Jan 2004 12:42:19 +0100
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39 #ifdef MACOSX |
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40 #include <sys/sysctl.h> /* For AltiVec check */ |
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41 #endif |
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42 |
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43 #define CPU_HAS_RDTSC 0x00000001 |
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44 #define CPU_HAS_MMX 0x00000002 |
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45 #define CPU_HAS_MMXEXT 0x00000004 |
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46 #define CPU_HAS_3DNOW 0x00000010 |
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47 #define CPU_HAS_3DNOWEXT 0x00000020 |
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48 #define CPU_HAS_SSE 0x00000040 |
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49 #define CPU_HAS_SSE2 0x00000080 |
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50 #define CPU_HAS_ALTIVEC 0x00000100 |
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51 |
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52 #ifdef USE_SETJMP |
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53 /* This is the brute force way of detecting instruction sets... |
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54 the idea is borrowed from the libmpeg2 library - thanks! |
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55 */ |
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56 static jmp_buf jmpbuf; |
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57 static void illegal_instruction(int sig) |
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58 { |
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59 longjmp(jmpbuf, 1); |
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60 } |
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61 #endif // USE_SETJMP |
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62 |
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63 static __inline__ int CPU_haveCPUID() |
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64 { |
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65 int has_CPUID = 0; |
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66 #if defined(__GNUC__) && defined(i386) |
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67 __asm__ ( |
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68 " pushfl # Get original EFLAGS \n" |
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69 " popl %%eax \n" |
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70 " movl %%eax,%%ecx \n" |
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71 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n" |
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72 " pushl %%eax # Save new EFLAGS value on stack \n" |
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73 " popfl # Replace current EFLAGS value \n" |
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74 " pushfl # Get new EFLAGS \n" |
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75 " popl %%eax # Store new EFLAGS in EAX \n" |
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76 " xorl %%ecx,%%eax # Can not toggle ID bit, \n" |
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77 " jz 1f # Processor=80486 \n" |
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78 " movl $1,%0 # We have CPUID support \n" |
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79 "1: \n" |
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80 : "=m" (has_CPUID) |
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81 : |
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82 : "%eax", "%ecx" |
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83 ); |
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84 #elif defined(_MSC_VER) |
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85 __asm { |
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86 pushfd ; Get original EFLAGS |
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87 pop eax |
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88 mov ecx, eax |
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89 xor eax, 200000h ; Flip ID bit in EFLAGS |
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90 push eax ; Save new EFLAGS value on stack |
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91 popfd ; Replace current EFLAGS value |
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92 pushfd ; Get new EFLAGS |
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93 pop eax ; Store new EFLAGS in EAX |
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94 xor eax, ecx ; Can not toggle ID bit, |
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95 jz done ; Processor=80486 |
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96 mov has_CPUID,1 ; We have CPUID support |
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97 done: |
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98 } |
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99 #endif |
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100 return has_CPUID; |
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101 } |
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102 |
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103 static __inline__ int CPU_getCPUIDFeatures() |
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104 { |
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105 int features = 0; |
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106 #if defined(__GNUC__) && defined(i386) |
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107 __asm__ ( |
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108 " movl %%ebx,%%edi\n" |
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109 " xorl %%eax,%%eax # Set up for CPUID instruction \n" |
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110 " cpuid # Get and save vendor ID \n" |
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111 " cmpl $1,%%eax # Make sure 1 is valid input for CPUID\n" |
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112 " jl 1f # We dont have the CPUID instruction\n" |
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113 " xorl %%eax,%%eax \n" |
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114 " incl %%eax \n" |
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115 " cpuid # Get family/model/stepping/features\n" |
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116 " movl %%edx,%0 \n" |
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117 "1: \n" |
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Fixed bugs in CPU feature detection and added extended feature detection
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118 " movl %%edi,%%ebx\n" |
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*** empty log message ***
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119 : "=m" (features) |
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120 : |
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121 : "%eax", "%ebx", "%ecx", "%edx", "%edi" |
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122 ); |
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|
123 #elif defined(_MSC_VER) |
749
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Updated Visual C++ support
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124 __asm { |
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125 xor eax, eax ; Set up for CPUID instruction |
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Greatly simplified the SDL CPU info code
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126 cpuid ; Get and save vendor ID |
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Greatly simplified the SDL CPU info code
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127 cmp eax, 1 ; Make sure 1 is valid input for CPUID |
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Greatly simplified the SDL CPU info code
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128 jl done ; We dont have the CPUID instruction |
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129 xor eax, eax |
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130 inc eax |
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131 cpuid ; Get family/model/stepping/features |
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132 mov features, edx |
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133 done: |
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134 } |
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135 #endif |
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136 return features; |
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|
137 } |
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138 |
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Fixed bugs in CPU feature detection and added extended feature detection
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139 static __inline__ int CPU_getCPUIDFeaturesExt() |
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Fixed bugs in CPU feature detection and added extended feature detection
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140 { |
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141 int features = 0; |
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142 #if defined(__GNUC__) && defined(i386) |
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Fixed bugs in CPU feature detection and added extended feature detection
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143 __asm__ ( |
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Fixed bugs in CPU feature detection and added extended feature detection
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144 " movl %%ebx,%%edi\n" |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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145 " movl $0x80000000,%%eax # Query for extended functions \n" |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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|
146 " cpuid # Get extended function limit \n" |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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147 " cmpl $0x80000001,%%eax \n" |
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Date: Sat, 24 Jan 2004 14:49:58 +0100
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148 " jl 1f # Nope, we dont have function 800000001h\n" |
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Fixed bugs in CPU feature detection and added extended feature detection
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149 " movl $0x80000001,%%eax # Setup extended function 800000001h\n" |
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Fixed bugs in CPU feature detection and added extended feature detection
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150 " cpuid # and get the information \n" |
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Fixed bugs in CPU feature detection and added extended feature detection
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151 " movl %%edx,%0 \n" |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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152 "1: \n" |
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Fixed bugs in CPU feature detection and added extended feature detection
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153 " movl %%edi,%%ebx\n" |
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Fixed bugs in CPU feature detection and added extended feature detection
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154 : "=m" (features) |
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|
155 : |
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Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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156 : "%eax", "%ebx", "%ecx", "%edx", "%edi" |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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|
157 ); |
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Fixed bugs in CPU feature detection and added extended feature detection
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|
158 #elif defined(_MSC_VER) |
ca06a994f03c
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|
159 __asm { |
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Fixed bugs in CPU feature detection and added extended feature detection
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|
160 mov eax,80000000h ; Query for extended functions |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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|
161 cpuid ; Get extended function limit |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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162 cmp eax,80000001h |
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Date: Sat, 24 Jan 2004 14:49:58 +0100
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163 jl done ; Nope, we dont have function 800000001h |
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Fixed bugs in CPU feature detection and added extended feature detection
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164 mov eax,80000001h ; Setup extended function 800000001h |
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Fixed bugs in CPU feature detection and added extended feature detection
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165 cpuid ; and get the information |
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Fixed bugs in CPU feature detection and added extended feature detection
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166 mov features,edx |
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Fixed bugs in CPU feature detection and added extended feature detection
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167 done: |
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Fixed bugs in CPU feature detection and added extended feature detection
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|
168 } |
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Fixed bugs in CPU feature detection and added extended feature detection
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|
169 #endif |
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Fixed bugs in CPU feature detection and added extended feature detection
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170 return features; |
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Fixed bugs in CPU feature detection and added extended feature detection
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|
171 } |
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Fixed bugs in CPU feature detection and added extended feature detection
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172 |
745
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Greatly simplified the SDL CPU info code
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173 static __inline__ int CPU_haveRDTSC() |
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Greatly simplified the SDL CPU info code
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174 { |
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Greatly simplified the SDL CPU info code
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175 if ( CPU_haveCPUID() ) { |
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Greatly simplified the SDL CPU info code
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|
176 return (CPU_getCPUIDFeatures() & 0x00000010); |
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Greatly simplified the SDL CPU info code
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|
177 } |
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Greatly simplified the SDL CPU info code
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178 return 0; |
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Greatly simplified the SDL CPU info code
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|
179 } |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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180 |
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Greatly simplified the SDL CPU info code
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|
181 static __inline__ int CPU_haveMMX() |
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Greatly simplified the SDL CPU info code
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|
182 { |
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Greatly simplified the SDL CPU info code
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|
183 if ( CPU_haveCPUID() ) { |
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|
184 return (CPU_getCPUIDFeatures() & 0x00800000); |
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Greatly simplified the SDL CPU info code
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|
185 } |
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Greatly simplified the SDL CPU info code
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|
186 return 0; |
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Greatly simplified the SDL CPU info code
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diff
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|
187 } |
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Greatly simplified the SDL CPU info code
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|
188 |
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ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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diff
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|
189 static __inline__ int CPU_haveMMXExt() |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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diff
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|
190 { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
191 if ( CPU_haveCPUID() ) { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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diff
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|
192 return (CPU_getCPUIDFeaturesExt() & 0x00400000); |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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diff
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|
193 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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diff
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|
194 return 0; |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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diff
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|
195 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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diff
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|
196 |
745
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Greatly simplified the SDL CPU info code
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diff
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|
197 static __inline__ int CPU_have3DNow() |
71ee03909f42
Greatly simplified the SDL CPU info code
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|
198 { |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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diff
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|
199 if ( CPU_haveCPUID() ) { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
200 return (CPU_getCPUIDFeaturesExt() & 0x80000000); |
747
da36f59485da
Check for CPUID before checking for 3DNow!
Sam Lantinga <slouken@libsdl.org>
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diff
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|
201 } |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
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|
202 return 0; |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
203 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
204 |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
205 static __inline__ int CPU_have3DNowExt() |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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diff
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|
206 { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
207 if ( CPU_haveCPUID() ) { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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changeset
|
208 return (CPU_getCPUIDFeaturesExt() & 0x40000000); |
745
71ee03909f42
Greatly simplified the SDL CPU info code
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diff
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|
209 } |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
210 return 0; |
745
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
211 } |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
212 |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
213 static __inline__ int CPU_haveSSE() |
71ee03909f42
Greatly simplified the SDL CPU info code
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|
214 { |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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diff
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|
215 if ( CPU_haveCPUID() ) { |
71ee03909f42
Greatly simplified the SDL CPU info code
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diff
changeset
|
216 return (CPU_getCPUIDFeatures() & 0x02000000); |
71ee03909f42
Greatly simplified the SDL CPU info code
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diff
changeset
|
217 } |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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diff
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|
218 return 0; |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
219 } |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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|
220 |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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|
221 static __inline__ int CPU_haveSSE2() |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
222 { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
223 if ( CPU_haveCPUID() ) { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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changeset
|
224 return (CPU_getCPUIDFeatures() & 0x04000000); |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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|
225 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
226 return 0; |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
227 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
228 |
778
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
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|
229 static __inline__ int CPU_haveAltiVec() |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
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diff
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|
230 { |
793
c20f08c4f437
Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents:
787
diff
changeset
|
231 int altivec = 0; |
778
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
232 #ifdef MACOSX |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
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diff
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|
233 int selectors[2] = { CTL_HW, HW_VECTORUNIT }; |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
234 int hasVectorUnit = 0; |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
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diff
changeset
|
235 size_t length = sizeof(hasVectorUnit); |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
236 int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0); |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
237 if( 0 == error ) |
793
c20f08c4f437
Altivec detection on non-MacOS X systems
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238 altivec = (hasVectorUnit != 0); |
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239 #elseif defined(USE_SETJMP) && defined(__GNUC__) && defined(__powerpc__) |
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240 void (*handler)(int sig); |
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241 handler = signal(SIGILL, illegal_instruction); |
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242 if ( setjmp(jmpbuf) == 0 ) { |
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243 asm volatile ("mtspr 256, %0\n\t" |
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244 "vand %%v0, %%v0, %%v0" |
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245 : |
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246 : "r" (-1)); |
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247 altivec = 1; |
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248 } |
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249 signal(SIGILL, handler); |
778
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250 #endif |
793
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251 return altivec; |
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252 } |
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253 |
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254 static Uint32 SDL_CPUFeatures = 0xFFFFFFFF; |
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255 |
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256 static Uint32 SDL_GetCPUFeatures() |
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257 { |
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258 if ( SDL_CPUFeatures == 0xFFFFFFFF ) { |
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259 SDL_CPUFeatures = 0; |
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260 if ( CPU_haveRDTSC() ) { |
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261 SDL_CPUFeatures |= CPU_HAS_RDTSC; |
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262 } |
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263 if ( CPU_haveMMX() ) { |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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264 SDL_CPUFeatures |= CPU_HAS_MMX; |
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265 } |
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266 if ( CPU_haveMMXExt() ) { |
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267 SDL_CPUFeatures |= CPU_HAS_MMXEXT; |
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268 } |
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269 if ( CPU_have3DNow() ) { |
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270 SDL_CPUFeatures |= CPU_HAS_3DNOW; |
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271 } |
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272 if ( CPU_have3DNowExt() ) { |
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273 SDL_CPUFeatures |= CPU_HAS_3DNOWEXT; |
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274 } |
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275 if ( CPU_haveSSE() ) { |
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276 SDL_CPUFeatures |= CPU_HAS_SSE; |
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277 } |
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278 if ( CPU_haveSSE2() ) { |
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279 SDL_CPUFeatures |= CPU_HAS_SSE2; |
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280 } |
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281 if ( CPU_haveAltiVec() ) { |
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282 SDL_CPUFeatures |= CPU_HAS_ALTIVEC; |
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283 } |
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284 } |
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285 return SDL_CPUFeatures; |
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286 } |
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287 |
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288 SDL_bool SDL_HasRDTSC() |
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289 { |
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290 if ( SDL_GetCPUFeatures() & CPU_HAS_RDTSC ) { |
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291 return SDL_TRUE; |
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292 } |
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293 return SDL_FALSE; |
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294 } |
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295 |
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|
296 SDL_bool SDL_HasMMX() |
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297 { |
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298 if ( SDL_GetCPUFeatures() & CPU_HAS_MMX ) { |
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299 return SDL_TRUE; |
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300 } |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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301 return SDL_FALSE; |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
302 } |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
303 |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
304 SDL_bool SDL_Has3DNow() |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
305 { |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
306 if ( SDL_GetCPUFeatures() & CPU_HAS_3DNOW ) { |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
307 return SDL_TRUE; |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
308 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
309 return SDL_FALSE; |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
310 } |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
311 |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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changeset
|
312 SDL_bool SDL_HasSSE() |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
313 { |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
314 if ( SDL_GetCPUFeatures() & CPU_HAS_SSE ) { |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
315 return SDL_TRUE; |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
316 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
317 return SDL_FALSE; |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
318 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
319 |
778
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|
320 SDL_bool SDL_HasAltiVec() |
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321 { |
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|
322 if ( SDL_GetCPUFeatures() & CPU_HAS_ALTIVEC ) { |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
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|
323 return SDL_TRUE; |
8ac3f46f9d09
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|
324 } |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
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325 return SDL_FALSE; |
8ac3f46f9d09
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|
326 } |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
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327 |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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changeset
|
328 SDL_bool SDL_HasMMXExt() |
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Fixed bugs in CPU feature detection and added extended feature detection
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|
329 { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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changeset
|
330 if ( SDL_GetCPUFeatures() & CPU_HAS_MMXEXT ) { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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|
331 return SDL_TRUE; |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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|
332 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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|
333 return SDL_FALSE; |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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changeset
|
334 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
335 |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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changeset
|
336 SDL_bool SDL_Has3DNowExt() |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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changeset
|
337 { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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changeset
|
338 if ( SDL_GetCPUFeatures() & CPU_HAS_3DNOWEXT ) { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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339 return SDL_TRUE; |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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changeset
|
340 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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changeset
|
341 return SDL_FALSE; |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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changeset
|
342 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
343 |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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changeset
|
344 SDL_bool SDL_HasSSE2() |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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changeset
|
345 { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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changeset
|
346 if ( SDL_GetCPUFeatures() & CPU_HAS_SSE2 ) { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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|
347 return SDL_TRUE; |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
348 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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changeset
|
349 return SDL_FALSE; |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
350 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
351 |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
352 #ifdef TEST_MAIN |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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353 |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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354 #include <stdio.h> |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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355 |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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356 int main() |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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357 { |
778
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
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769
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358 printf("RDTSC: %d\n", SDL_HasRDTSC()); |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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359 printf("MMX: %d\n", SDL_HasMMX()); |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
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360 printf("MMXExt: %d\n", SDL_HasMMXExt()); |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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361 printf("3DNow: %d\n", SDL_Has3DNow()); |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
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362 printf("3DNowExt: %d\n", SDL_Has3DNowExt()); |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
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363 printf("SSE: %d\n", SDL_HasSSE()); |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
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364 printf("SSE2: %d\n", SDL_HasSSE2()); |
778
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
769
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365 printf("AltiVec: %d\n", SDL_HasAltiVec()); |
745
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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739
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366 return 0; |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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367 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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368 |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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369 #endif /* TEST_MAIN */ |