Mercurial > hg > dmlib
annotate src/dmlib.h @ 2394:147d40b708ea
Copy improvements to the platform 32/64bit logic from th-libs.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Thu, 09 Jan 2020 20:59:20 +0200 |
| parents | 85700c9b7dc8 |
| children | e149fc273f2b |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * DMLib | |
| 3 * -- Main header file | |
| 4 * Programmed and designed by Matti 'ccr' Hamalainen | |
| 2361 | 5 * (C) Copyright 2011-2020 Tecnic Software productions (TNSP) |
| 0 | 6 */ |
| 7 #ifndef DMLIB_H | |
| 8 #define DMLIB_H | |
| 9 | |
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10 #include <SDL_config.h> |
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11 #include <SDL_endian.h> |
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12 #include <SDL_types.h> |
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13 #include <SDL_mutex.h> |
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14 #include <SDL_thread.h> |
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15 #include <SDL_video.h> |
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16 #include <SDL_render.h> |
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17 #include <stdio.h> |
| 0 | 18 #include <stdarg.h> |
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19 #include <stdlib.h> |
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20 #include <ctype.h> |
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21 #include <inttypes.h> |
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22 |
| 0 | 23 |
| 24 #ifdef DM_USE_ASSERTS | |
| 770 | 25 # include <assert.h> |
| 0 | 26 #else |
| 770 | 27 # define assert(NEXPR) // stub |
| 0 | 28 #endif |
| 29 | |
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30 |
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31 // Check for arch bitness |
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32 #if defined(__WIN64) || defined(_WIN64) || defined(_WIN32) || defined(__WIN32) |
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33 # define DM_PLAT_WINDOWS 1 |
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34 # if defined(__MINGW32__) || defined(__MINGW64__) |
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35 # undef __USE_MINGW_ANSI_STDIO |
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36 # define __USE_MINGW_ANSI_STDIO 1 |
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37 # endif |
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38 #else |
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39 # define DM_PLAT_UNIX 1 |
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40 #endif |
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41 |
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42 // Check for arch bitness |
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43 #if !defined(DM_ARCH) && (defined(__WIN64) || defined(_WIN64)) |
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44 # define DM_ARCH 64 |
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45 #endif |
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46 |
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47 #if !defined(DM_ARCH) && (defined(__WIN32) || defined(_WIN32)) |
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48 # define DM_ARCH 32 |
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49 #endif |
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50 |
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51 #if !defined(DM_ARCH) |
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52 # if UINTPTR_MAX == 0xffffffff |
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53 # define DM_ARCH 32 |
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54 # elif UINTPTR_MAX == 0xffffffffffffffff |
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55 # define DM_ARCH 64 |
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56 # endif |
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57 #endif |
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58 |
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59 |
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60 #if !defined(DM_ARCH) |
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61 # if defined(__LP64__) || defined(_LP64) |
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62 # define DM_ARCH 64 |
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63 # else |
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64 # define DM_ARCH 32 |
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65 # endif |
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66 #endif |
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67 |
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68 |
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69 // Kludge, as MinGW64 cross-compiler does not like certain printf() format specifiers |
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70 #if defined(__MINGW64__) |
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71 # define DM_ATTR_PRINTF_FMT(xstart, xend) |
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72 #else |
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73 # define DM_ATTR_PRINTF_FMT(xstart, xend) __attribute__ ((__format__ (__printf__, (xstart), (xend)))) |
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74 #endif |
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75 |
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76 |
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77 // Do we have a valid arch? |
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78 // If so, set some printf specifiers |
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79 #define DM_PRIu32 PRIu32 |
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80 #define DM_PRId32 PRId32 |
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81 #define DM_PRIx32 PRIx32 |
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82 #define DM_PRIX32 PRIX32 |
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83 |
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84 #define DM_PRIu64 PRIu64 |
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85 #define DM_PRId64 PRId64 |
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86 #define DM_PRIx64 PRIx64 |
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87 #define DM_PRIX64 PRIX64 |
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88 |
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89 #if DM_ARCH == 32 |
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90 # define DM_PRIu_SIZE_T PRIu32 |
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91 # define DM_PRId_SSIZE_T PRId32 |
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92 # define DM_PRIx_SIZE_T PRIx32 |
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93 # define DM_PRIX_SIZE_T PRIX32 |
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94 # ifdef DM_PLAT_WINDOWS |
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95 # define DM_PRId_OFF_T "ld" |
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96 # define DM_PRIx_OFF_T "lx" |
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97 # define DM_PRIX_OFF_T "lX" |
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98 # else |
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99 # define DM_PRId_OFF_T PRId32 |
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100 # define DM_PRIx_OFF_T PRIx32 |
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101 # define DM_PRIX_OFF_T PRIX32 |
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102 # endif |
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103 #elif DM_ARCH == 64 |
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104 # ifdef DM_PLAT_WINDOWS // Unsure if this is MinGW64 only thing? |
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105 # define DM_PRIu_SIZE_T "I64u" |
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106 # define DM_PRId_SSIZE_T "I64d" |
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107 # define DM_PRIx_SIZE_T "I64x" |
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108 # define DM_PRIX_SIZE_T "I64X" |
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109 # define DM_PRId_OFF_T "I64d" |
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110 # define DM_PRIx_OFF_T "I64x" |
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111 # define DM_PRIX_OFF_T "I64X" |
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112 # else |
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113 # define DM_PRIu_SIZE_T PRIu64 |
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114 # define DM_PRId_SSIZE_T PRId64 |
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115 # define DM_PRIx_SIZE_T PRIx64 |
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116 # define DM_PRIX_SIZE_T PRIX64 |
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117 # define DM_PRId_OFF_T PRId64 |
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118 # define DM_PRIx_OFF_T PRIx64 |
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119 # define DM_PRIX_OFF_T PRIX64 |
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120 # endif |
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121 #else |
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122 # error Could not determine architecture (32/64bit), please define DM_ARCH=32 or 64 |
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123 #endif |
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124 |
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125 |
| 0 | 126 #ifdef __cplusplus |
| 127 extern "C" { | |
| 128 #endif | |
| 129 | |
| 130 // Defaults | |
| 2361 | 131 #define DM_PROG_AUTHOR "By Matti 'ccr' Hamalainen (C) Copyright 2020 TNSP" |
| 341 | 132 #define DM_PROG_LICENSE "Et all, see README / COPYING for more information." |
| 0 | 133 |
| 134 /* Error codes | |
| 135 */ | |
| 136 enum { | |
| 770 | 137 // General error codes |
| 138 DMERR_OK = 0, | |
| 139 DMERR_PROGRESS, // Status OK, but operation in progress | |
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140 |
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141 DMERR_INTERNAL, |
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142 |
| 770 | 143 DMERR_FOPEN, |
| 144 DMERR_FREAD, | |
| 145 DMERR_FWRITE, | |
| 146 DMERR_FSEEK, | |
| 147 DMERR_NOT_FOUND, // Resource/data not found | |
| 0 | 148 |
| 770 | 149 DMERR_INVALID_DATA, // Some data was invalid |
| 150 DMERR_MALLOC, // Memory allocation failure | |
| 151 DMERR_ALREADY_INIT, // Resource has already been initialized | |
| 152 DMERR_INIT_FAIL, // General initialization failure | |
| 153 DMERR_INVALID_ARGS, | |
| 0 | 154 |
| 770 | 155 DMERR_NULLPTR, // NULL pointer specified in critical argument |
| 156 DMERR_NOT_SUPPORTED,// Operation not supported | |
| 157 DMERR_OUT_OF_DATA, | |
| 158 DMERR_EXTRA_DATA, | |
| 159 DMERR_BOUNDS, | |
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160 |
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161 DMERR_DATA_ERROR, // Data decoding/encoding/parsing error |
| 1817 | 162 |
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163 DMERR_VERSION, // Unsupported data version |
| 0 | 164 |
| 770 | 165 // PACK-file subsystem |
| 166 DMERR_NOTPACK, | |
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167 DMERR_PACK_VERSION, |
| 770 | 168 DMERR_INVALID, |
| 169 DMERR_COMPRESSION, | |
| 0 | 170 }; |
| 171 | |
| 955 | 172 |
| 813 | 173 // Directory/path separator stuff |
| 174 #define DM_DIR_SEPARATOR '/' | |
| 175 | |
| 0 | 176 |
| 177 // Resource management defines | |
| 178 #define DMRES_NAME_LEN 32 | |
| 179 #define DMRES_RES_FILE "res.txt" // Resource data file | |
| 180 | |
| 181 | |
| 182 /* Define a boolean type | |
| 183 */ | |
| 184 #if !defined(FALSE) && !defined(TRUE) && !defined(BOOL) | |
| 185 typedef enum { FALSE = 0, TRUE = 1 } BOOL; | |
| 186 #endif | |
| 187 | |
| 188 #ifndef BOOL | |
| 770 | 189 # ifdef bool |
| 190 # define BOOL bool | |
| 191 # else | |
| 192 # define BOOL int | |
| 193 # endif | |
| 0 | 194 #endif |
| 195 | |
| 196 | |
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197 /* Math constants |
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198 */ |
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199 #define DM_PI 3.14159265358f |
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200 #define DM_PI2 6.28318530718f |
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201 #define DM_E 2.71828182846f |
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202 |
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203 |
| 1146 | 204 /* Fixed point math types |
| 0 | 205 */ |
| 206 typedef union | |
| 207 { | |
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208 Sint64 dw; |
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209 Sint32 w[2]; |
| 0 | 210 } DMFixedPoint; |
| 211 | |
| 212 | |
| 213 typedef union | |
| 214 { | |
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215 Sint32 dw; |
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216 Sint16 w[2]; |
| 0 | 217 } DMFixedPoint32; |
| 218 | |
| 219 | |
| 220 /* Macros for fixed point math | |
| 221 */ | |
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222 #define FP_SET(a, k) a.dw = k ## ULL |
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223 #define FP_CONV(a, k) a.dw = (k) |
| 0 | 224 |
| 225 #ifndef SDL_BYTEORDER | |
| 226 # error Undefined byteorder! | |
| 227 #endif | |
| 228 | |
| 229 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 230 # define FP_SETH(a, k) a.w[0] = (k) | |
| 231 # define FP_SETL(a, k) a.w[1] = (k) | |
| 232 # define FP_SETHL(a, h, l) { a.w[0] = (h); a.w[1] = (l); } | |
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233 # define FP_GETH32(a) a.w[0] |
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234 # define FP_GETL32(a) a.w[1] |
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235 # define FP_GETH16(a) a.w[0] |
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236 # define FP_GETL16(a) a.w[1] |
| 0 | 237 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) |
| 238 # define FP_SETH(a, k) a.w[1] = (k) | |
| 239 # define FP_SETL(a, k) a.w[0] = (k) | |
| 240 # define FP_SETHL(a, h, l) { a.w[1] = (h); a.w[0] = (l); } | |
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241 # define FP_GETH32(a) a.w[1] |
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242 # define FP_GETL32(a) a.w[0] |
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243 # define FP_GETH16(a) a.w[1] |
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244 # define FP_GETL16(a) a.w[0] |
| 0 | 245 #else |
| 246 # error Unsupported byte order! | |
| 247 #endif | |
| 248 | |
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249 #define FP_PRINTF64(a) printf("%.8x:%.8x", FP_GETH32(a), FP_GETL32(a)) |
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250 #define FP_PRINTF32(a) printf("%.4x:%.4x", FP_GETH16(a), FP_GETL16(a)) |
| 0 | 251 |
| 252 #define FP_ADD(a, b) a.dw += b.dw | |
| 253 #define FP_SUB(a, b) a.dw -= b.dw | |
| 254 #define FP_ADD_R(r, a, b) r.dw = a.dw + b.dw | |
| 255 #define FP_SUB_R(r, a, b) r.dw = a.dw - b.dw | |
| 256 #define FP_DIV(a, b) a.dw /= b.dw | |
| 257 #define FP_MUL(a, b) a.dw *= b.dw | |
| 258 #define FP_DIV_R(r, a, b) r.dw = (a.dw / b.dw) | |
| 259 #define FP_MUL_R(r, a, b) r.dw = (a.dw * b.dw) | |
| 260 | |
| 261 | |
| 262 /* Miscellaneous types | |
| 263 */ | |
| 264 typedef struct | |
| 265 { | |
| 266 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 267 Uint8 a,g,b,r; | |
| 268 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
| 269 Uint8 r,g,b,a; | |
| 270 #endif | |
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271 } DMColor; |
| 0 | 272 |
| 273 | |
| 274 typedef float DMFloat; | |
| 275 | |
| 276 | |
|
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277 // Macro for swapping two lvalues of same type |
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278 #define DM_SWAP(T, A, B) { if ((B) < (A)) { T swtmp = (B); B = (A); A = swtmp; } } |
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279 |
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280 |
| 0 | 281 /* Drawing modes used by blitting and some other functions. |
| 282 */ | |
| 283 enum | |
| 284 { | |
| 285 DMD_NONE = 0x0000, | |
| 286 DMD_TRANSPARENT = 0x0001, | |
| 287 DMD_SATURATE = 0x0002, | |
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288 |
| 0 | 289 DMD_ANTIALIAS = 0x0004, |
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290 |
| 0 | 291 DMD_NMODES = 6 |
| 292 }; | |
| 293 | |
| 294 | |
| 295 // Available bitdepths. Not all functions may support every one of these. | |
| 296 enum | |
| 297 { | |
| 298 DMD_8BIT = 0, | |
| 299 DMD_32BIT, | |
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300 |
| 0 | 301 DMD_NBITDEPTHS |
| 302 }; | |
| 303 | |
| 304 | |
| 305 static inline int dmBitsPerPixel2Index(int bpp) | |
| 306 { | |
| 307 return (bpp == 8 ? 0 : (bpp == 32 ? 1 : -1)); | |
| 308 } | |
| 309 | |
| 310 | |
|
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311 static inline DMFloat dmClamp10(const DMFloat a) |
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312 { |
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313 return (a < 0.0f ? 0.0f : (a > 1.0f ? 1.0f : a)); |
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314 } |
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315 |
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316 |
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317 static inline int dmClamp(const int v, const int min, const int max) |
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318 { |
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319 return (v < min ? min : (v > max ? max : v)); |
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320 } |
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321 |
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322 |
| 0 | 323 /* Arbitrary line drawing |
| 324 */ | |
| 325 #ifdef DM_GFX_LINES | |
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326 #define DM_HEADER |
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327 #include "dmlinefunc.h" |
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328 |
|
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329 enum |
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330 { |
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331 CLIP_TOP = 1, |
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332 CLIP_BOTTOM = 2, |
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333 CLIP_RIGHT = 4, |
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334 CLIP_LEFT = 8 |
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335 }; |
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336 |
|
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337 #define DM_CLIP_FUNC dmClipLineCoordsFloat |
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338 #define DM_COORD_TYPE DMFloat |
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339 #include "dmlineclip.h" |
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340 |
|
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341 #undef DM_HEADER |
| 0 | 342 #endif |
| 343 | |
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344 |
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345 /* Various blitting functions |
| 0 | 346 */ |
| 347 #ifdef DM_GFX_BLITS | |
| 348 typedef int (*DMScaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, const int dwidth, const int dheight, SDL_Surface *dst); | |
| 349 DMScaledBlitFunc dmGetScaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); | |
| 350 int dmScaledBlitSurfaceAny(SDL_Surface *src, const int x0, const int y0, const int dwidth, const int dheight, SDL_Surface *dst, int mode); | |
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351 |
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352 typedef int (*DMUnscaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst); |
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353 DMUnscaledBlitFunc dmGetUnscaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); |
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354 int dmUnscaledBlitSurfaceAny(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst, int mode); |
|
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355 |
|
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356 SDL_Surface *dmConvertScaledSurface(SDL_Surface *src, SDL_PixelFormat *fmt, const int dwidth, const int dheight); |
|
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357 |
|
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358 |
|
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359 #define DM_HEADER |
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360 #include "dmblitfunc.h" |
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361 #undef DM_HEADER |
|
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362 |
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363 #endif // DM_GFX_BLITS |
| 0 | 364 |
|
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365 |
|
90
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366 static inline void dmClearSurface(SDL_Surface *screen, const Uint32 col) |
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367 { |
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368 SDL_FillRect(screen, NULL, col); |
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369 } |
|
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370 |
|
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371 |
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372 static inline Uint32 dmMapRGB(SDL_Surface *screen, int r, int g, int b) |
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373 { |
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374 return SDL_MapRGB(screen->format, r, g, b); |
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375 } |
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376 |
|
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377 |
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378 static inline Uint32 dmMapRGBA(SDL_Surface *screen, int r, int g, int b, int a) |
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379 { |
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380 return SDL_MapRGBA(screen->format, r, g, b, a); |
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381 } |
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382 |
|
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383 |
|
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384 static inline int dmDirectBlitSurface(SDL_Surface *bmp, SDL_Surface *screen) |
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385 { |
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386 return SDL_BlitSurface(bmp, NULL, screen, NULL); |
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387 } |
| 0 | 388 |
| 389 | |
|
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390 static inline SDL_Surface *dmCopySurface(SDL_Surface *src) |
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391 { |
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392 if (src != NULL) |
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393 return SDL_ConvertSurface(src, src->format, src->flags); |
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394 else |
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395 return NULL; |
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396 } |
|
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|
397 |
|
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|
398 |
| 0 | 399 /* Global variables |
| 400 */ | |
| 401 extern char *dmProgName, | |
| 402 *dmProgDesc, | |
| 403 *dmProgVersion, | |
| 404 *dmProgAuthor, | |
| 405 *dmProgLicense; | |
| 406 | |
| 407 extern int dmVerbosity; | |
| 408 void dmInitProg(char *name, char *desc, char *version, char *author, char *license); | |
| 409 void dmPrintBanner(FILE *outFile, const char *name, const char *usage); | |
| 410 | |
| 411 void dmMsgVA(int level, const char *fmt, va_list ap); | |
|
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412 void dmMsg(int level, const char *fmt, ...) |
|
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413 DM_ATTR_PRINTF_FMT(2, 3); |
| 0 | 414 void dmPrintVA(int level, const char *fmt, va_list ap); |
|
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415 void dmPrint(int level, const char *fmt, ...) |
|
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416 DM_ATTR_PRINTF_FMT(2, 3); |
| 0 | 417 |
|
958
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418 int dmErrorVA(const int error, const char *fmt, va_list); |
|
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419 int dmError(const int error, const char *fmt, ...) |
|
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420 DM_ATTR_PRINTF_FMT(2, 3); |
|
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421 void dmErrorMsg(const char *fmt, ...) |
|
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422 DM_ATTR_PRINTF_FMT(1, 2); |
| 955 | 423 int dmGetErrno(); |
| 424 const char *dmErrorStr(const int error); | |
| 425 | |
|
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|
426 #ifdef DM_DEBUG |
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|
427 # define dmErrorDBG dmError |
|
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428 # define dmErrorDBGMsg dmErrorMsg |
|
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429 #else |
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430 # define dmErrorDBG(ecode, fmt, ...) (ecode) // Dummy |
|
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431 # define dmErrorDBGMsg(fmt, ...) |
|
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432 #endif |
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|
433 |
| 1451 | 434 void * dmMalloc(size_t len); |
| 435 void * dmMalloc0(size_t len); | |
| 436 void * dmRealloc(void *ptr, size_t len); | |
| 437 void * dmCalloc(size_t n, size_t len); | |
| 438 void dmFree(void *ptr); | |
|
1453
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|
439 void dmFreeRReal(void **ptr); |
|
1452
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440 #define dmFreeR(ptr) dmFreeRReal((void **) ptr) |
| 1451 | 441 |
|
1172
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|
442 #if defined(DM_HAVE_MEMSET) || defined(DM_HAVE_STRING_H) |
| 1166 | 443 static inline void * dmMemset(void *ptr, const int c, size_t n) |
| 444 { | |
| 445 return memset(ptr, c, n); | |
| 446 } | |
| 447 #else | |
| 448 void * dmMemset(void *ptr, const int c, size_t n); | |
| 449 #endif | |
| 0 | 450 |
|
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|
451 |
|
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|
452 /** String trimming option flags for dm_strdup_trim() |
|
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453 */ |
|
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|
454 enum |
|
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|
455 { |
|
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|
456 DM_TRIM_START = 1, |
|
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457 DM_TRIM_END = 2, |
|
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458 DM_TRIM_BOTH = 3 |
|
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|
459 }; |
|
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|
460 |
|
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|
461 |
|
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|
462 |
| 1882 | 463 char * dm_strdup(const char *str); |
| 464 char * dm_strndup(const char *str, const size_t n); | |
|
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|
465 char * dm_strdup_trim(const char *src, const int flags); |
|
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|
466 char * dm_strndup_trim(const char *src, const size_t n, const int flags); |
|
1884
47fe47f01fea
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|
467 char * dm_strdup_vprintf_len(const char *fmt, va_list args, int *len); |
| 1882 | 468 char * dm_strdup_vprintf(const char *fmt, va_list args); |
| 469 char * dm_strdup_printf(const char *fmt, ...); | |
| 0 | 470 |
|
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|
471 int dm_strcasecmp(const char *haystack, const char *needle); |
|
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|
472 int dm_strncasecmp(const char *haystack, const char *needle, size_t n); |
| 816 | 473 char * dm_strrcasecmp(char *str, const char *needle); |
| 0 | 474 |
|
2004
161e731eb152
Improve dmGetIntVal() to accept an optional negative value boolean flag
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|
475 BOOL dmGetIntVal(const char *str, unsigned int *value, BOOL *neg); |
| 955 | 476 |
| 477 | |
|
294
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|
478 /* Mutexes |
|
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|
479 */ |
|
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|
480 #ifdef DM_MUTEX_DEBUG |
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481 |
|
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|
482 typedef struct |
|
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|
483 { |
|
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484 BOOL used; |
|
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|
485 Uint32 id; |
|
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|
486 int state; |
|
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|
487 } DMMutexLock; |
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|
488 |
|
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|
489 typedef struct |
|
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490 { |
|
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|
491 char *cr_file; |
|
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|
492 int cr_line; |
|
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|
493 SDL_mutex *m; |
|
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|
494 DMMutexLock locks[8]; |
|
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|
495 } DMMutex; |
|
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|
496 |
|
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497 #define dmMutexLock(x) dmDOMutexLock(x, __FILE__, (int) __LINE__) |
|
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498 #define dmMutexUnlock(x) dmDOMutexUnlock(x, __FILE__, (int) __LINE__) |
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499 #define dmCreateMutex(x) dmDOCreateMutex(__FILE__, (int) __LINE__) |
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500 |
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501 int dmDOMutexLock(DMMutex *mutex, const char *file, const int line); |
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502 int dmDOMutexUnlock(DMMutex *mutex, const char *file, const int line); |
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503 DMMutex * dmDOCreateMutex(const char *file, const int line); |
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504 void dmDestroyMutex(DMMutex *mutex); |
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505 |
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506 #else |
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507 #define DMMutex SDL_mutex |
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508 #define dmCreateMutex() SDL_CreateMutex() |
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509 #define dmDestroyMutex(x) SDL_DestroyMutex(x) |
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510 #define dmMutexLock(x) SDL_mutexP(x) |
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511 #define dmMutexUnlock(x) SDL_mutexV(x) |
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512 #endif |
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513 |
| 0 | 514 /* Endianess swapping macros |
| 515 */ | |
| 955 | 516 #define DM_SWAP_16_LE_BE(value) ((Uint16) ( \ |
| 0 | 517 (Uint16) ((Uint16) (value) >> 8) | \ |
| 518 (Uint16) ((Uint16) (value) << 8)) ) | |
| 519 | |
| 520 | |
| 955 | 521 #define DM_SWAP_32_LE_BE(value) ((Uint32) ( \ |
| 0 | 522 (((Uint32) (value) & (Uint32) 0x000000ffU) << 24) | \ |
| 523 (((Uint32) (value) & (Uint32) 0x0000ff00U) << 8) | \ | |
| 524 (((Uint32) (value) & (Uint32) 0x00ff0000U) >> 8) | \ | |
| 525 (((Uint32) (value) & (Uint32) 0xff000000U) >> 24))) | |
| 526 | |
| 955 | 527 #define DM_SWAP_64_LE_BE(value) ((Uint64) ( \ |
| 528 (((Uint64) (value) & (Uint64) 0x00000000000000ffULL) << 56) | \ | |
| 529 (((Uint64) (value) & (Uint64) 0x000000000000ff00ULL) << 40) | \ | |
| 530 (((Uint64) (value) & (Uint64) 0x0000000000ff0000ULL) << 24) | \ | |
| 531 (((Uint64) (value) & (Uint64) 0x00000000ff000000ULL) << 8) | \ | |
| 532 (((Uint64) (value) & (Uint64) 0x000000ff00000000ULL) >> 8) | \ | |
| 533 (((Uint64) (value) & (Uint64) 0x0000ff0000000000ULL) >> 24) | \ | |
| 534 (((Uint64) (value) & (Uint64) 0x00ff000000000000ULL) >> 40) | \ | |
| 0 | 535 (((Uint64) (value) & (Uint64) 0xff00000000000000ULL) >> 56))) |
| 873 | 536 |
| 0 | 537 |
| 538 /* Macros that swap only when needed ... | |
| 539 */ | |
| 540 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 770 | 541 # define DM_LE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) |
| 542 # define DM_LE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
| 543 # define DM_NATIVE_TO_LE16(value) DM_SWAP_16_LE_BE(value) | |
| 544 # define DM_NATIVE_TO_LE32(value) DM_SWAP_32_LE_BE(value) | |
| 0 | 545 |
| 770 | 546 # define DM_BE16_TO_NATIVE(value) ((Uint16) (value)) |
| 547 # define DM_BE32_TO_NATIVE(value) ((Uint32) (value)) | |
| 548 # define DM_NATIVE_TO_BE16(value) ((Uint16) (value)) | |
| 549 # define DM_NATIVE_TO_BE32(value) ((Uint32) (value)) | |
| 0 | 550 |
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551 # define DM_LE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) |
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552 # define DM_NATIVE_TO_LE64(value) DM_SWAP_64_LE_BE(value) |
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553 # define DM_BE64_TO_NATIVE(value) ((Uint64) (value)) |
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554 # define DM_NATIVE_TO_BE64(value) ((Uint64) (value)) |
| 0 | 555 |
| 556 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
| 557 | |
| 770 | 558 # define DM_LE16_TO_NATIVE(value) ((Uint16) (value)) |
| 559 # define DM_LE32_TO_NATIVE(value) ((Uint32) (value)) | |
| 560 # define DM_NATIVE_TO_LE16(value) ((Uint16) (value)) | |
| 561 # define DM_NATIVE_TO_LE32(value) ((Uint32) (value)) | |
| 0 | 562 |
| 770 | 563 # define DM_BE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) |
| 564 # define DM_BE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
| 565 # define DM_NATIVE_TO_BE16(value) DM_SWAP_16_LE_BE(value) | |
| 566 # define DM_NATIVE_TO_BE32(value) DM_SWAP_32_LE_BE(value) | |
| 0 | 567 |
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568 # define DM_LE64_TO_NATIVE(value) ((Uint64) (value)) |
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569 # define DM_NATIVE_TO_LE64(value) ((Uint64) (value)) |
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570 # define DM_BE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) |
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571 # define DM_NATIVE_TO_BE64(value) DM_SWAP_64_LE_BE(value) |
| 0 | 572 #endif |
| 573 | |
| 574 | |
| 575 #ifdef __cplusplus | |
| 576 } | |
| 577 #endif | |
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578 |
| 0 | 579 #endif // DMLIB_H |