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annotate test/testplatform.c @ 3566:07c8339c95c6

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Fixed bug #905 Give the foreign window message proc more control over Windows events. This may need to be adjusted when we add the capability for the app to specify whether it wants SDL to handle input for the window or not.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 15 Dec 2009 09:20:10 +0000
parents 63d4517fc4ac
children 3427271a2d75
rev   line source
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1
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2 #include <stdio.h>
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3
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4 #include "SDL.h"
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5 #include "SDL_endian.h"
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6 #include "SDL_cpuinfo.h"
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7
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8 /*
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9 * Watcom C flags these as Warning 201: "Unreachable code" if you just
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10 * compare them directly, so we push it through a function to keep the
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11 * compiler quiet. --ryan.
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12 */
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13 static int
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14 badsize(size_t sizeoftype, size_t hardcodetype)
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15 {
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16 return sizeoftype != hardcodetype;
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17 }
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18
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19 int
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20 TestTypes(SDL_bool verbose)
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21 {
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22 int error = 0;
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23
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24 if (badsize(sizeof(Uint8), 1)) {
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25 if (verbose)
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26 printf("sizeof(Uint8) != 1, instead = %lu\n", sizeof(Uint8));
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27 ++error;
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28 }
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29 if (badsize(sizeof(Uint16), 2)) {
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30 if (verbose)
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31 printf("sizeof(Uint16) != 2, instead = %lu\n", sizeof(Uint16));
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32 ++error;
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33 }
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34 if (badsize(sizeof(Uint32), 4)) {
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35 if (verbose)
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36 printf("sizeof(Uint32) != 4, instead = %lu\n", sizeof(Uint32));
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37 ++error;
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38 }
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39 #ifdef SDL_HAS_64BIT_TYPE
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40 if (badsize(sizeof(Uint64), 8)) {
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41 if (verbose)
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42 printf("sizeof(Uint64) != 8, instead = %lu\n", sizeof(Uint64));
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43 ++error;
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44 }
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45 #else
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46 if (verbose) {
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47 printf("WARNING: No 64-bit datatype on this platform\n");
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48 }
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49 #endif
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50 if (verbose && !error)
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51 printf("All data types are the expected size.\n");
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52
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53 return (error ? 1 : 0);
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54 }
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55
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56 int
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57 TestEndian(SDL_bool verbose)
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58 {
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59 int error = 0;
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60 Uint16 value = 0x1234;
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61 int real_byteorder;
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62 Uint16 value16 = 0xCDAB;
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63 Uint16 swapped16 = 0xABCD;
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64 Uint32 value32 = 0xEFBEADDE;
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65 Uint32 swapped32 = 0xDEADBEEF;
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66 #ifdef SDL_HAS_64BIT_TYPE
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67 Uint64 value64, swapped64;
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68 value64 = 0xEFBEADDE;
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69 value64 <<= 32;
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70 value64 |= 0xCDAB3412;
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71 swapped64 = 0x1234ABCD;
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72 swapped64 <<= 32;
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73 swapped64 |= 0xDEADBEEF;
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74 #endif
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75
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76 if (verbose) {
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77 printf("Detected a %s endian machine.\n",
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78 (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
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79 }
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80 if ((*((char *) &value) >> 4) == 0x1) {
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81 real_byteorder = SDL_BIG_ENDIAN;
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82 } else {
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83 real_byteorder = SDL_LIL_ENDIAN;
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84 }
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85 if (real_byteorder != SDL_BYTEORDER) {
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86 if (verbose) {
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87 printf("Actually a %s endian machine!\n",
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88 (real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big");
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89 }
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90 ++error;
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91 }
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92 if (verbose) {
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93 printf("Value 16 = 0x%X, swapped = 0x%X\n", value16,
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94 SDL_Swap16(value16));
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95 }
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96 if (SDL_Swap16(value16) != swapped16) {
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97 if (verbose) {
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98 printf("16 bit value swapped incorrectly!\n");
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99 }
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100 ++error;
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101 }
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102 if (verbose) {
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103 printf("Value 32 = 0x%X, swapped = 0x%X\n", value32,
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104 SDL_Swap32(value32));
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105 }
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106 if (SDL_Swap32(value32) != swapped32) {
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107 if (verbose) {
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108 printf("32 bit value swapped incorrectly!\n");
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109 }
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110 ++error;
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111 }
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112 #ifdef SDL_HAS_64BIT_TYPE
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113 if (verbose) {
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114 #ifdef _MSC_VER
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115 printf("Value 64 = 0x%I64X, swapped = 0x%I64X\n", value64,
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116 SDL_Swap64(value64));
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117 #else
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118 printf("Value 64 = 0x%llX, swapped = 0x%llX\n", value64,
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119 SDL_Swap64(value64));
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120 #endif
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121 }
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122 if (SDL_Swap64(value64) != swapped64) {
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123 if (verbose) {
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124 printf("64 bit value swapped incorrectly!\n");
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125 }
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126 ++error;
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127 }
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128 #endif
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129 return (error ? 1 : 0);
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130 }
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131
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132
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133 int
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134 TestCPUInfo(SDL_bool verbose)
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135 {
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136 if (verbose) {
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137 printf("RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected");
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138 printf("MMX %s\n", SDL_HasMMX()? "detected" : "not detected");
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139 printf("MMX Ext %s\n", SDL_HasMMXExt()? "detected" : "not detected");
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140 printf("3DNow %s\n", SDL_Has3DNow()? "detected" : "not detected");
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141 printf("3DNow Ext %s\n",
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142 SDL_Has3DNowExt()? "detected" : "not detected");
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143 printf("SSE %s\n", SDL_HasSSE()? "detected" : "not detected");
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144 printf("SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected");
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145 printf("AltiVec %s\n", SDL_HasAltiVec()? "detected" : "not detected");
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146 }
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147 return (0);
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148 }
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149
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150 int
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151 main(int argc, char *argv[])
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152 {
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153 SDL_bool verbose = SDL_TRUE;
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154 int status = 0;
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155
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156 if (argv[1] && (SDL_strcmp(argv[1], "-q") == 0)) {
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157 verbose = SDL_FALSE;
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158 }
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159 if (verbose) {
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160 printf("This system is running %s\n", SDL_GetPlatform());
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161 }
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162
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163 status += TestTypes(verbose);
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164 status += TestEndian(verbose);
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165 status += TestCPUInfo(verbose);
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166 return status;
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167 }