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annotate test/automated/platform/platform.c @ 3468:789b97008d8a

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My first OpenGL shader! Momma will be so proud! This shader implements the software renderer mask semantics where the source pixel is multiplied by the color and alpha modulation values and then any pixel with non-zero alpha is fully opaque. The OpenGL renderer on Mac OS X now passes all the automated render tests! :)
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Nov 2009 05:29:31 +0000
parents 63d4517fc4ac
children c32c53fca10d
rev   line source
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1 /**
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2 * Automated SDL platform test.
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3 *
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4 * Based off of testplatform.c.
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5 *
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6 * Written by Edgar Simo "bobbens"
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7 *
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8 * Released under Public Domain.
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9 */
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10
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11
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12
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13
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14 #include "SDL.h"
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15 #include "SDL_at.h"
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16 #include "SDL_endian.h"
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17 #include "SDL_cpuinfo.h"
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18
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19
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20 /*
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21 * Prototypes.
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22 */
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23 static int plat_testSize( size_t sizeoftype, size_t hardcodetype );
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24 static void plat_testTypes (void);
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25
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26
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27 /**
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28 * @brief Test size.
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29 *
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30 * @note Watcom C flags these as Warning 201: "Unreachable code" if you just
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31 * compare them directly, so we push it through a function to keep the
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32 * compiler quiet. --ryan.
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33 */
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34 static int plat_testSize( size_t sizeoftype, size_t hardcodetype )
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35 {
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36 return sizeoftype != hardcodetype;
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37 }
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38
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39
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40 /**
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41 * @brief Tests type size.
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42 */
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43 static void plat_testTypes (void)
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44 {
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45 int ret;
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46
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47 SDL_ATbegin( "Type size" );
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48
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49 ret = plat_testSize( sizeof(Uint8), 1 );
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50 if (SDL_ATvassert( ret == 0, "sizeof(Uint8) = %lu instead of 1", sizeof(Uint8) ))
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51 return;
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52
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53 ret = plat_testSize( sizeof(Uint16), 2 );
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54 if (SDL_ATvassert( ret == 0, "sizeof(Uint16) = %lu instead of 2", sizeof(Uint16) ))
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55 return;
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56
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57 ret = plat_testSize( sizeof(Uint32), 4 );
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58 if (SDL_ATvassert( ret == 0, "sizeof(Uint32) = %lu instead of 4", sizeof(Uint32) ))
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59 return;
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60
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61 #ifdef SDL_HAS_64BIT_TYPE
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62 ret = plat_testSize( sizeof(Uint64), 8 );
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63 if (SDL_ATvassert( ret == 0, "sizeof(Uint64) = %lu instead of 8", sizeof(Uint64) ))
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64 return;
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65 #endif /* SDL_HAS_64BIT_TYPE */
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66
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67 SDL_ATend();
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68 }
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69
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70
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71 /**
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72 * @brief Tests platform endianness.
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73 */
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74 static void plat_testEndian (void)
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75 {
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76 Uint16 value = 0x1234;
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77 int real_byteorder;
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78 Uint16 value16 = 0xCDAB;
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79 Uint16 swapped16 = 0xABCD;
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80 Uint32 value32 = 0xEFBEADDE;
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81 Uint32 swapped32 = 0xDEADBEEF;
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82 #ifdef SDL_HAS_64BIT_TYPE
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83 Uint64 value64, swapped64;
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84 value64 = 0xEFBEADDE;
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85 value64 <<= 32;
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86 value64 |= 0xCDAB3412;
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87 swapped64 = 0x1234ABCD;
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88 swapped64 <<= 32;
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89 swapped64 |= 0xDEADBEEF;
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90 #endif
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91
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92 SDL_ATbegin( "Endianness" );
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93
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94 /* Test endianness. */
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95 if ((*((char *) &value) >> 4) == 0x1) {
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96 real_byteorder = SDL_BIG_ENDIAN;
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97 } else {
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98 real_byteorder = SDL_LIL_ENDIAN;
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99 }
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100 if (SDL_ATvassert( real_byteorder == SDL_BYTEORDER,
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101 "Machine detected as %s endian but appears to be %s endian.",
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102 (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big",
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103 (real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big" ))
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104 return;
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105
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106 /* Test 16 swap. */
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107 if (SDL_ATvassert( SDL_Swap16(value16) == swapped16,
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108 "16 bit swapped incorrectly: 0x%X => 0x%X",
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109 value16, SDL_Swap16(value16) ))
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110 return;
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111
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112 /* Test 32 swap. */
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113 if (SDL_ATvassert( SDL_Swap32(value32) == swapped32,
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114 "32 bit swapped incorrectly: 0x%X => 0x%X",
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115 value32, SDL_Swap32(value32) ))
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116 return;
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117
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118 #ifdef SDL_HAS_64BIT_TYPE
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119 /* Test 64 swap. */
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120 if (SDL_ATvassert( SDL_Swap64(value64) == swapped64,
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121 #ifdef _MSC_VER
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122 "64 bit swapped incorrectly: 0x%I64X => 0x%I64X",
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123 #else
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124 "64 bit swapped incorrectly: 0x%llX => 0x%llX",
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125 #endif
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126 value64, SDL_Swap64(value64) ))
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127 return;
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128 #endif
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129
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130 SDL_ATend();
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131 }
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132
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133
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134 /**
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135 * @brief Platform test entrypoint.
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136 */
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137 #ifdef TEST_STANDALONE
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138 int main( int argc, const char *argv[] )
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139 {
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140 (void) argc;
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141 (void) argv;
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142 #else /* TEST_STANDALONE */
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143 int test_platform (void)
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144 {
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145 #endif /* TEST_STANDALONE */
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146
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147 SDL_ATinit( "Platform" );
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148
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149 /* Debug information. */
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150 SDL_ATprintVerbose( 1, "%s System detected\n", SDL_GetPlatform() );
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151 SDL_ATprintVerbose( 1, "System is %s endian\n",
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152 #ifdef SDL_LIL_ENDIAN
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153 "little"
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154 #else
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155 "big"
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156 #endif
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157 );
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158 SDL_ATprintVerbose( 1, "Available extensions:\n" );
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159 SDL_ATprintVerbose( 1, " RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected" );
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160 SDL_ATprintVerbose( 1, " MMX %s\n", SDL_HasMMX()? "detected" : "not detected" );
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161 SDL_ATprintVerbose( 1, " MMX Ext %s\n", SDL_HasMMXExt()? "detected" : "not detected" );
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162 SDL_ATprintVerbose( 1, " 3DNow %s\n", SDL_Has3DNow()? "detected" : "not detected" );
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163 SDL_ATprintVerbose( 1, " 3DNow Ext %s\n",
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164 SDL_Has3DNowExt()? "detected" : "not detected" );
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165 SDL_ATprintVerbose( 1, " SSE %s\n", SDL_HasSSE()? "detected" : "not detected" );
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166 SDL_ATprintVerbose( 1, " SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected" );
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167 SDL_ATprintVerbose( 1, " AltiVec %s\n", SDL_HasAltiVec()? "detected" : "not detected" );
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168
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169 plat_testTypes();
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170 plat_testEndian();
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171
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172 return SDL_ATfinish();
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173 }