Mercurial > sdl-ios-xcode
annotate src/cpuinfo/SDL_cpuinfo.c @ 3631:76667e288846
Revert r5463: Alpha blend "correctness" patch.
Sam says:
"We should revert this. I applied it in 1.3 and then fixed it for correctness."
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Sun, 10 Jan 2010 08:59:25 +0000 |
parents | 1a4456a01995 |
children | f7b03b6838cb |
rev | line source |
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739
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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1 /* |
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2 SDL - Simple DirectMedia Layer |
2859 | 3 Copyright (C) 1997-2009 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 Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 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 Lesser 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 Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 #include "SDL_config.h" |
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23 |
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24 /* CPU feature detection for SDL */ |
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25 |
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26 #include "SDL_cpuinfo.h" |
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27 |
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28 #ifdef HAVE_SYSCONF |
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29 #include <unistd.h> |
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30 #endif |
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31 #ifdef HAVE_SYSCTLBYNAME |
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32 #include <sys/types.h> |
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33 #include <sys/sysctl.h> |
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34 #endif |
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35 #if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__)) |
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36 #include <sys/sysctl.h> /* For AltiVec check */ |
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37 #elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP |
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38 #include <signal.h> |
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39 #include <setjmp.h> |
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40 #endif |
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41 #ifdef __WIN32__ |
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42 #define WIN32_LEAN_AND_MEAN |
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43 #include <windows.h> |
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44 #endif |
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45 |
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46 #define CPU_HAS_RDTSC 0x00000001 |
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47 #define CPU_HAS_MMX 0x00000002 |
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48 #define CPU_HAS_MMXEXT 0x00000004 |
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49 #define CPU_HAS_3DNOW 0x00000010 |
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50 #define CPU_HAS_3DNOWEXT 0x00000020 |
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51 #define CPU_HAS_SSE 0x00000040 |
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52 #define CPU_HAS_SSE2 0x00000080 |
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53 #define CPU_HAS_ALTIVEC 0x00000100 |
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54 |
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55 #if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP && !__MACOSX__ |
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56 /* This is the brute force way of detecting instruction sets... |
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57 the idea is borrowed from the libmpeg2 library - thanks! |
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58 */ |
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59 static jmp_buf jmpbuf; |
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60 static void |
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61 illegal_instruction(int sig) |
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62 { |
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63 longjmp(jmpbuf, 1); |
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64 } |
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65 #endif /* HAVE_SETJMP */ |
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66 |
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67 static __inline__ int |
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68 CPU_haveCPUID(void) |
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69 { |
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70 int has_CPUID = 0; |
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71 /* *INDENT-OFF* */ |
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72 #if defined(__GNUC__) && defined(i386) |
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73 __asm__ ( |
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74 " pushfl # Get original EFLAGS \n" |
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75 " popl %%eax \n" |
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76 " movl %%eax,%%ecx \n" |
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77 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n" |
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78 " pushl %%eax # Save new EFLAGS value on stack \n" |
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79 " popfl # Replace current EFLAGS value \n" |
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80 " pushfl # Get new EFLAGS \n" |
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81 " popl %%eax # Store new EFLAGS in EAX \n" |
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82 " xorl %%ecx,%%eax # Can not toggle ID bit, \n" |
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83 " jz 1f # Processor=80486 \n" |
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84 " movl $1,%0 # We have CPUID support \n" |
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85 "1: \n" |
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86 : "=m" (has_CPUID) |
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87 : |
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88 : "%eax", "%ecx" |
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89 ); |
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90 #elif defined(__GNUC__) && defined(__x86_64__) |
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91 /* Technically, if this is being compiled under __x86_64__ then it has |
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92 CPUid by definition. But it's nice to be able to prove it. :) */ |
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93 __asm__ ( |
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94 " pushfq # Get original EFLAGS \n" |
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95 " popq %%rax \n" |
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96 " movq %%rax,%%rcx \n" |
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97 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n" |
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98 " pushq %%rax # Save new EFLAGS value on stack \n" |
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99 " popfq # Replace current EFLAGS value \n" |
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100 " pushfq # Get new EFLAGS \n" |
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101 " popq %%rax # Store new EFLAGS in EAX \n" |
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102 " xorl %%ecx,%%eax # Can not toggle ID bit, \n" |
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103 " jz 1f # Processor=80486 \n" |
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104 " movl $1,%0 # We have CPUID support \n" |
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105 "1: \n" |
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106 : "=m" (has_CPUID) |
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107 : |
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108 : "%rax", "%rcx" |
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109 ); |
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110 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) |
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111 __asm { |
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112 pushfd ; Get original EFLAGS |
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113 pop eax |
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114 mov ecx, eax |
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115 xor eax, 200000h ; Flip ID bit in EFLAGS |
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116 push eax ; Save new EFLAGS value on stack |
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117 popfd ; Replace current EFLAGS value |
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118 pushfd ; Get new EFLAGS |
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119 pop eax ; Store new EFLAGS in EAX |
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120 xor eax, ecx ; Can not toggle ID bit, |
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121 jz done ; Processor=80486 |
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122 mov has_CPUID,1 ; We have CPUID support |
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123 done: |
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124 } |
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125 #elif defined(__sun) && defined(__i386) |
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126 __asm ( |
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127 " pushfl \n" |
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128 " popl %eax \n" |
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129 " movl %eax,%ecx \n" |
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130 " xorl $0x200000,%eax \n" |
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131 " pushl %eax \n" |
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132 " popfl \n" |
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133 " pushfl \n" |
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134 " popl %eax \n" |
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135 " xorl %ecx,%eax \n" |
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136 " jz 1f \n" |
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137 " movl $1,-8(%ebp) \n" |
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138 "1: \n" |
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139 ); |
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140 #elif defined(__sun) && defined(__amd64) |
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141 __asm ( |
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142 " pushfq \n" |
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143 " popq %rax \n" |
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144 " movq %rax,%rcx \n" |
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145 " xorl $0x200000,%eax \n" |
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146 " pushq %rax \n" |
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147 " popfq \n" |
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148 " pushfq \n" |
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149 " popq %rax \n" |
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150 " xorl %ecx,%eax \n" |
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151 " jz 1f \n" |
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152 " movl $1,-8(%rbp) \n" |
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153 "1: \n" |
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154 ); |
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155 #endif |
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156 /* *INDENT-ON* */ |
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157 return has_CPUID; |
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158 } |
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159 |
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160 #if defined(__GNUC__) && defined(i386) |
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161 #define cpuid(func, a, b, c, d) \ |
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162 __asm__ __volatile__ ( \ |
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163 " pushl %%ebx \n" \ |
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164 " cpuid \n" \ |
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165 " movl %%ebx, %%esi \n" \ |
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166 " popl %%ebx \n" : \ |
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167 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func)) |
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168 #elif defined(__GNUC__) && defined(__x86_64__) |
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169 #define cpuid(func, a, b, c, d) \ |
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170 __asm__ __volatile__ ( \ |
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171 " pushq %%rbx \n" \ |
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172 " cpuid \n" \ |
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173 " movq %%rbx, %%rsi \n" \ |
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174 " popq %%rbx \n" : \ |
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175 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func)) |
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176 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) |
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177 #define cpuid(func, a, b, c, d) \ |
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178 __asm { \ |
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179 __asm mov eax, func \ |
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180 __asm cpuid \ |
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181 __asm mov a, eax \ |
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182 __asm mov b, ebx \ |
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183 __asm mov c, ecx \ |
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184 __asm mov d, edx \ |
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185 } |
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186 #else |
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187 #define cpuid(func, a, b, c, d) \ |
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188 a = b = c = d = 0 |
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189 #endif |
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190 |
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191 static __inline__ int |
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192 CPU_getCPUIDFeatures(void) |
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193 { |
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194 int features = 0; |
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195 int a, b, c, d; |
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196 |
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197 cpuid(0, a, b, c, d); |
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198 if (a >= 1) { |
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199 cpuid(1, a, b, c, d); |
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200 features = d; |
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201 } |
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202 return features; |
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203 } |
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204 |
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205 static __inline__ int |
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206 CPU_getCPUIDFeaturesExt(void) |
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207 { |
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208 int features = 0; |
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209 int a, b, c, d; |
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210 |
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211 cpuid(0x80000000, a, b, c, d); |
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212 if (a >= 0x80000001) { |
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213 cpuid(0x80000001, a, b, c, d); |
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214 features = d; |
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215 } |
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216 return features; |
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217 } |
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218 |
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219 static __inline__ int |
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220 CPU_haveRDTSC(void) |
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221 { |
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222 if (CPU_haveCPUID()) { |
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223 return (CPU_getCPUIDFeatures() & 0x00000010); |
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224 } |
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225 return 0; |
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226 } |
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227 |
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228 static __inline__ int |
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229 CPU_haveMMX(void) |
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230 { |
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231 if (CPU_haveCPUID()) { |
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232 return (CPU_getCPUIDFeatures() & 0x00800000); |
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233 } |
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234 return 0; |
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235 } |
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236 |
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237 static __inline__ int |
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238 CPU_haveMMXExt(void) |
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239 { |
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240 if (CPU_haveCPUID()) { |
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241 return (CPU_getCPUIDFeaturesExt() & 0x00400000); |
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242 } |
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243 return 0; |
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244 } |
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245 |
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246 static __inline__ int |
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247 CPU_have3DNow(void) |
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248 { |
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249 if (CPU_haveCPUID()) { |
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250 return (CPU_getCPUIDFeaturesExt() & 0x80000000); |
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251 } |
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252 return 0; |
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253 } |
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254 |
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255 static __inline__ int |
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256 CPU_have3DNowExt(void) |
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257 { |
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258 if (CPU_haveCPUID()) { |
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259 return (CPU_getCPUIDFeaturesExt() & 0x40000000); |
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260 } |
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261 return 0; |
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262 } |
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263 |
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264 static __inline__ int |
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265 CPU_haveSSE(void) |
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266 { |
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267 if (CPU_haveCPUID()) { |
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268 return (CPU_getCPUIDFeatures() & 0x02000000); |
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269 } |
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270 return 0; |
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271 } |
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272 |
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273 static __inline__ int |
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274 CPU_haveSSE2(void) |
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275 { |
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276 if (CPU_haveCPUID()) { |
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277 return (CPU_getCPUIDFeatures() & 0x04000000); |
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278 } |
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279 return 0; |
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280 } |
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281 |
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282 static __inline__ int |
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283 CPU_haveAltiVec(void) |
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284 { |
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285 volatile int altivec = 0; |
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286 #if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__)) |
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287 int selectors[2] = { CTL_HW, HW_VECTORUNIT }; |
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288 int hasVectorUnit = 0; |
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289 size_t length = sizeof(hasVectorUnit); |
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290 int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0); |
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291 if (0 == error) |
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292 altivec = (hasVectorUnit != 0); |
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293 #elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP |
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294 void (*handler) (int sig); |
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295 handler = signal(SIGILL, illegal_instruction); |
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296 if (setjmp(jmpbuf) == 0) { |
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297 asm volatile ("mtspr 256, %0\n\t" "vand %%v0, %%v0, %%v0"::"r" (-1)); |
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298 altivec = 1; |
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299 } |
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300 signal(SIGILL, handler); |
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301 #endif |
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302 return altivec; |
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303 } |
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304 |
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305 static int SDL_CPUCount = 0; |
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306 |
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307 int |
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308 SDL_GetCPUCount() |
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309 { |
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310 if (!SDL_CPUCount) { |
3606 | 311 #if defined(HAVE_SYSCONF) && defined(_SC_NPROCESSORS_ONLN) |
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312 if (SDL_CPUCount <= 0) { |
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313 SDL_CPUCount = (int)sysconf(_SC_NPROCESSORS_ONLN); |
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314 } |
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315 #endif |
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316 #ifdef HAVE_SYSCTLBYNAME |
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317 if (SDL_CPUCount <= 0) { |
3580
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318 size_t size = sizeof(SDL_CPUCount); |
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319 sysctlbyname("hw.ncpu", &SDL_CPUCount, &size, NULL, 0); |
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320 } |
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321 #endif |
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322 #ifdef __WIN32__ |
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323 if (SDL_CPUCount <= 0) { |
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324 SYSTEM_INFO info; |
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325 GetSystemInfo(&info); |
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326 SDL_CPUCount = info.dwNumberOfProcessors; |
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327 } |
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328 #endif |
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329 /* There has to be at least 1, right? :) */ |
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330 if (SDL_CPUCount <= 0) { |
3579
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331 SDL_CPUCount = 1; |
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332 } |
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333 } |
3427271a2d75
Added SDL_GetCPUCount() to see how many cores are available.
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334 return SDL_CPUCount; |
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335 } |
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336 |
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337 /* Oh, such a sweet sweet trick, just not very useful. :) */ |
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338 const char * |
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339 SDL_GetCPUType() |
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340 { |
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341 static char SDL_CPUType[48]; |
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342 |
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343 if (!SDL_CPUType[0]) { |
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344 int i = 0; |
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345 int a, b, c, d; |
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346 |
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347 if (CPU_haveCPUID()) { |
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348 cpuid(0x80000000, a, b, c, d); |
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349 if (a >= 0x80000004) { |
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350 cpuid(0x80000002, a, b, c, d); |
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351 SDL_CPUType[i++] = (char)(a & 0xff); a >>= 8; |
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352 SDL_CPUType[i++] = (char)(a & 0xff); a >>= 8; |
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353 SDL_CPUType[i++] = (char)(a & 0xff); a >>= 8; |
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354 SDL_CPUType[i++] = (char)(a & 0xff); a >>= 8; |
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355 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8; |
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356 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8; |
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357 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8; |
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358 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8; |
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359 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8; |
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360 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8; |
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361 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8; |
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362 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8; |
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363 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8; |
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364 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8; |
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365 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8; |
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366 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8; |
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367 cpuid(0x80000003, a, b, c, d); |
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368 SDL_CPUType[i++] = (char)(a & 0xff); a >>= 8; |
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369 SDL_CPUType[i++] = (char)(a & 0xff); a >>= 8; |
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370 SDL_CPUType[i++] = (char)(a & 0xff); a >>= 8; |
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371 SDL_CPUType[i++] = (char)(a & 0xff); a >>= 8; |
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372 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8; |
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373 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8; |
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374 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8; |
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375 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8; |
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376 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8; |
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377 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8; |
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378 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8; |
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379 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8; |
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380 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8; |
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381 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8; |
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382 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8; |
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383 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8; |
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Implemented Windows version of SDL_GetCPUCount()
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384 cpuid(0x80000004, a, b, c, d); |
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Implemented Windows version of SDL_GetCPUCount()
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385 SDL_CPUType[i++] = (char)(a & 0xff); a >>= 8; |
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Implemented Windows version of SDL_GetCPUCount()
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386 SDL_CPUType[i++] = (char)(a & 0xff); a >>= 8; |
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387 SDL_CPUType[i++] = (char)(a & 0xff); a >>= 8; |
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Implemented Windows version of SDL_GetCPUCount()
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388 SDL_CPUType[i++] = (char)(a & 0xff); a >>= 8; |
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389 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8; |
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390 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8; |
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391 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8; |
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392 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8; |
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393 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8; |
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394 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8; |
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395 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8; |
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396 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8; |
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Implemented Windows version of SDL_GetCPUCount()
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397 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8; |
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Implemented Windows version of SDL_GetCPUCount()
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398 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8; |
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Implemented Windows version of SDL_GetCPUCount()
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399 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8; |
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Implemented Windows version of SDL_GetCPUCount()
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400 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8; |
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Added SDL_GetCPUCount() to see how many cores are available.
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401 } |
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Added SDL_GetCPUCount() to see how many cores are available.
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402 } |
3427271a2d75
Added SDL_GetCPUCount() to see how many cores are available.
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403 if (!SDL_CPUType[0]) { |
3427271a2d75
Added SDL_GetCPUCount() to see how many cores are available.
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404 SDL_strlcpy(SDL_CPUType, "Unknown", sizeof(SDL_CPUType)); |
3427271a2d75
Added SDL_GetCPUCount() to see how many cores are available.
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405 } |
3427271a2d75
Added SDL_GetCPUCount() to see how many cores are available.
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406 } |
3427271a2d75
Added SDL_GetCPUCount() to see how many cores are available.
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407 return SDL_CPUType; |
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Added SDL_GetCPUCount() to see how many cores are available.
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408 } |
3427271a2d75
Added SDL_GetCPUCount() to see how many cores are available.
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409 |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
410 static Uint32 SDL_CPUFeatures = 0xFFFFFFFF; |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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parents:
diff
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411 |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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412 static Uint32 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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413 SDL_GetCPUFeatures(void) |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
414 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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415 if (SDL_CPUFeatures == 0xFFFFFFFF) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
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416 SDL_CPUFeatures = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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417 if (CPU_haveRDTSC()) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
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418 SDL_CPUFeatures |= CPU_HAS_RDTSC; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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419 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
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420 if (CPU_haveMMX()) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
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421 SDL_CPUFeatures |= CPU_HAS_MMX; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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422 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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423 if (CPU_haveMMXExt()) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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424 SDL_CPUFeatures |= CPU_HAS_MMXEXT; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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425 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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426 if (CPU_have3DNow()) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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427 SDL_CPUFeatures |= CPU_HAS_3DNOW; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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428 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
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429 if (CPU_have3DNowExt()) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
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430 SDL_CPUFeatures |= CPU_HAS_3DNOWEXT; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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431 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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432 if (CPU_haveSSE()) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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433 SDL_CPUFeatures |= CPU_HAS_SSE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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434 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
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435 if (CPU_haveSSE2()) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
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436 SDL_CPUFeatures |= CPU_HAS_SSE2; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
437 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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438 if (CPU_haveAltiVec()) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
439 SDL_CPUFeatures |= CPU_HAS_ALTIVEC; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
440 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
441 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
442 return SDL_CPUFeatures; |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
443 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
444 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
445 SDL_bool |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
446 SDL_HasRDTSC(void) |
745
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
447 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
448 if (SDL_GetCPUFeatures() & CPU_HAS_RDTSC) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
449 return SDL_TRUE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
450 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
451 return SDL_FALSE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
452 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
453 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
454 SDL_bool |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
455 SDL_HasMMX(void) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
456 { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
457 if (SDL_GetCPUFeatures() & CPU_HAS_MMX) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
458 return SDL_TRUE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
459 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
460 return SDL_FALSE; |
745
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
461 } |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
462 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
463 SDL_bool |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
464 SDL_HasMMXExt(void) |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
465 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
466 if (SDL_GetCPUFeatures() & CPU_HAS_MMXEXT) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
467 return SDL_TRUE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
468 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
469 return SDL_FALSE; |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
470 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
471 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
472 SDL_bool |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
473 SDL_Has3DNow(void) |
804
b2fda076b02e
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
796
diff
changeset
|
474 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
475 if (SDL_GetCPUFeatures() & CPU_HAS_3DNOW) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
476 return SDL_TRUE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
477 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
478 return SDL_FALSE; |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
479 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
480 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
481 SDL_bool |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
482 SDL_Has3DNowExt(void) |
804
b2fda076b02e
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
796
diff
changeset
|
483 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
484 if (SDL_GetCPUFeatures() & CPU_HAS_3DNOWEXT) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
485 return SDL_TRUE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
486 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
487 return SDL_FALSE; |
804
b2fda076b02e
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
796
diff
changeset
|
488 } |
b2fda076b02e
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
796
diff
changeset
|
489 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
490 SDL_bool |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
491 SDL_HasSSE(void) |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
492 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
493 if (SDL_GetCPUFeatures() & CPU_HAS_SSE) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
494 return SDL_TRUE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
495 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
496 return SDL_FALSE; |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
497 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
498 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
499 SDL_bool |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
500 SDL_HasSSE2(void) |
804
b2fda076b02e
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
796
diff
changeset
|
501 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
502 if (SDL_GetCPUFeatures() & CPU_HAS_SSE2) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
503 return SDL_TRUE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
504 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
505 return SDL_FALSE; |
804
b2fda076b02e
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
796
diff
changeset
|
506 } |
b2fda076b02e
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
796
diff
changeset
|
507 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
508 SDL_bool |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
509 SDL_HasAltiVec(void) |
778
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
510 { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
511 if (SDL_GetCPUFeatures() & CPU_HAS_ALTIVEC) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
512 return SDL_TRUE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
513 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
514 return SDL_FALSE; |
778
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
515 } |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
516 |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
517 #ifdef TEST_MAIN |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
518 |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
519 #include <stdio.h> |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
520 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
521 int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
522 main() |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
523 { |
3579
3427271a2d75
Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents:
3515
diff
changeset
|
524 printf("CPU count: %d\n", SDL_GetCPUCount()); |
3427271a2d75
Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents:
3515
diff
changeset
|
525 printf("CPU name: %s\n", SDL_GetCPUType()); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
526 printf("RDTSC: %d\n", SDL_HasRDTSC()); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
527 printf("MMX: %d\n", SDL_HasMMX()); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
528 printf("MMXExt: %d\n", SDL_HasMMXExt()); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
529 printf("3DNow: %d\n", SDL_Has3DNow()); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
530 printf("3DNowExt: %d\n", SDL_Has3DNowExt()); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
531 printf("SSE: %d\n", SDL_HasSSE()); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
532 printf("SSE2: %d\n", SDL_HasSSE2()); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
533 printf("AltiVec: %d\n", SDL_HasAltiVec()); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
534 return 0; |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
535 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
536 |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
537 #endif /* TEST_MAIN */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
538 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1864
diff
changeset
|
539 /* vi: set ts=4 sw=4 expandtab: */ |