Mercurial > hg > dmlib
annotate src/dmlib.h @ 2486:6d12670e0248
Rename DM_SWAP() macro to DM_SWAP_IF().
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Tue, 28 Apr 2020 14:45:44 +0300 |
| parents | 3b28868475e8 |
| children | fcaf2db0cd05 |
| 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 #include <string.h> |
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23 |
| 0 | 24 |
| 25 #ifdef DM_USE_ASSERTS | |
| 770 | 26 # include <assert.h> |
| 0 | 27 #else |
| 770 | 28 # define assert(NEXPR) // stub |
| 0 | 29 #endif |
| 30 | |
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31 |
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32 // Check for arch bitness |
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33 #if defined(__WIN64) || defined(_WIN64) || defined(_WIN32) || defined(__WIN32) |
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34 # define DM_PLAT_WINDOWS 1 |
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35 #else |
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36 # define DM_PLAT_UNIX 1 |
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37 #endif |
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38 |
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39 // Check for arch bitness |
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40 #if !defined(DM_ARCH) && (defined(__WIN64) || defined(_WIN64)) |
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41 # define DM_ARCH 64 |
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42 #endif |
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43 |
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44 #if !defined(DM_ARCH) && (defined(__WIN32) || defined(_WIN32)) |
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45 # define DM_ARCH 32 |
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46 #endif |
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47 |
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48 #if !defined(DM_ARCH) |
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49 # if UINTPTR_MAX == 0xffffffff |
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50 # define DM_ARCH 32 |
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51 # elif UINTPTR_MAX == 0xffffffffffffffff |
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52 # define DM_ARCH 64 |
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53 # endif |
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54 #endif |
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55 |
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56 |
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57 #if !defined(DM_ARCH) |
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58 # if defined(__LP64__) || defined(_LP64) |
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59 # define DM_ARCH 64 |
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60 # else |
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61 # define DM_ARCH 32 |
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62 # endif |
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63 #endif |
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64 |
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65 |
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66 // Kludge, as MinGW64 cross-compiler does not like certain printf() format specifiers |
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67 #if defined(__MINGW64__) |
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68 # define DM_ATTR_PRINTF_FMT(xstart, xend) |
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69 #else |
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70 # define DM_ATTR_PRINTF_FMT(xstart, xend) __attribute__ ((__format__ (__printf__, (xstart), (xend)))) |
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71 #endif |
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72 |
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73 |
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74 // Do we have a valid arch? |
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75 // If so, set some printf specifiers |
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76 #define DM_PRIu32 PRIu32 |
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77 #define DM_PRId32 PRId32 |
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78 #define DM_PRIx32 PRIx32 |
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79 #define DM_PRIX32 PRIX32 |
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80 |
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81 #define DM_PRIu64 PRIu64 |
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82 #define DM_PRId64 PRId64 |
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83 #define DM_PRIx64 PRIx64 |
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84 #define DM_PRIX64 PRIX64 |
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85 |
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86 #if DM_ARCH == 32 |
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87 # define DM_PRIu_SIZE_T PRIu32 |
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88 # define DM_PRId_SSIZE_T PRId32 |
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89 # define DM_PRIx_SIZE_T PRIx32 |
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90 # define DM_PRIX_SIZE_T PRIX32 |
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91 # ifdef DM_PLAT_WINDOWS |
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92 # define DM_PRId_OFF_T "ld" |
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93 # define DM_PRIx_OFF_T "lx" |
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94 # define DM_PRIX_OFF_T "lX" |
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95 # else |
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96 # define DM_PRId_OFF_T PRId32 |
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97 # define DM_PRIx_OFF_T PRIx32 |
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98 # define DM_PRIX_OFF_T PRIX32 |
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99 # endif |
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100 #elif DM_ARCH == 64 |
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101 # ifdef DM_PLAT_WINDOWS // Unsure if this is MinGW64 only thing? |
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102 # define DM_PRIu_SIZE_T "I64u" |
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103 # define DM_PRId_SSIZE_T "I64d" |
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104 # define DM_PRIx_SIZE_T "I64x" |
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105 # define DM_PRIX_SIZE_T "I64X" |
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106 # define DM_PRId_OFF_T "I64d" |
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107 # define DM_PRIx_OFF_T "I64x" |
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108 # define DM_PRIX_OFF_T "I64X" |
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109 # else |
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110 # define DM_PRIu_SIZE_T PRIu64 |
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111 # define DM_PRId_SSIZE_T PRId64 |
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112 # define DM_PRIx_SIZE_T PRIx64 |
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113 # define DM_PRIX_SIZE_T PRIX64 |
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114 # define DM_PRId_OFF_T PRId64 |
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115 # define DM_PRIx_OFF_T PRIx64 |
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116 # define DM_PRIX_OFF_T PRIX64 |
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117 # endif |
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118 #else |
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119 # error Could not determine architecture (32/64bit), please define DM_ARCH=32 or 64 |
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120 #endif |
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121 |
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122 |
| 0 | 123 #ifdef __cplusplus |
| 124 extern "C" { | |
| 125 #endif | |
| 126 | |
| 127 // Defaults | |
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128 #define DM_PROG_AUTHOR "By Matti 'ccr' Hamalainen (C) Copyright 2002-2020 TNSP" |
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129 #define DM_PROG_LICENSE "This program is distributed under a 3-clause BSD -style license." |
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130 |
| 0 | 131 |
| 132 /* Error codes | |
| 133 */ | |
| 134 enum { | |
| 770 | 135 // General error codes |
| 136 DMERR_OK = 0, | |
| 137 DMERR_PROGRESS, // Status OK, but operation in progress | |
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138 |
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139 DMERR_INTERNAL, |
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140 |
| 770 | 141 DMERR_FOPEN, |
| 142 DMERR_FREAD, | |
| 143 DMERR_FWRITE, | |
| 144 DMERR_FSEEK, | |
| 145 DMERR_NOT_FOUND, // Resource/data not found | |
| 0 | 146 |
| 770 | 147 DMERR_INVALID_DATA, // Some data was invalid |
| 148 DMERR_MALLOC, // Memory allocation failure | |
| 149 DMERR_ALREADY_INIT, // Resource has already been initialized | |
| 150 DMERR_INIT_FAIL, // General initialization failure | |
| 151 DMERR_INVALID_ARGS, | |
| 0 | 152 |
| 770 | 153 DMERR_NULLPTR, // NULL pointer specified in critical argument |
| 154 DMERR_NOT_SUPPORTED,// Operation not supported | |
| 155 DMERR_OUT_OF_DATA, | |
| 156 DMERR_EXTRA_DATA, | |
| 157 DMERR_BOUNDS, | |
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158 |
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159 DMERR_DATA_ERROR, // Data decoding/encoding/parsing error |
| 1817 | 160 |
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161 DMERR_VERSION, // Unsupported data version |
| 0 | 162 |
| 770 | 163 // PACK-file subsystem |
| 164 DMERR_NOTPACK, | |
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165 DMERR_PACK_VERSION, |
| 770 | 166 DMERR_INVALID, |
| 167 DMERR_COMPRESSION, | |
| 0 | 168 }; |
| 169 | |
| 955 | 170 |
| 813 | 171 // Directory/path separator stuff |
| 172 #define DM_DIR_SEPARATOR '/' | |
| 173 | |
| 0 | 174 |
| 175 // Resource management defines | |
| 176 #define DMRES_NAME_LEN 32 | |
| 177 #define DMRES_RES_FILE "res.txt" // Resource data file | |
| 178 | |
| 179 | |
| 180 /* Define a boolean type | |
| 181 */ | |
| 182 #if !defined(FALSE) && !defined(TRUE) && !defined(BOOL) | |
| 183 typedef enum { FALSE = 0, TRUE = 1 } BOOL; | |
| 184 #endif | |
| 185 | |
| 186 #ifndef BOOL | |
| 770 | 187 # ifdef bool |
| 188 # define BOOL bool | |
| 189 # else | |
| 190 # define BOOL int | |
| 191 # endif | |
| 0 | 192 #endif |
| 193 | |
| 194 | |
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195 /* Math constants |
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196 */ |
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197 #define DM_PI 3.14159265358f |
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198 #define DM_PI2 6.28318530718f |
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199 #define DM_E 2.71828182846f |
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200 |
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201 |
| 1146 | 202 /* Fixed point math types |
| 0 | 203 */ |
| 204 typedef union | |
| 205 { | |
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206 Sint64 dw; |
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207 Sint32 w[2]; |
| 0 | 208 } DMFixedPoint; |
| 209 | |
| 210 | |
| 211 typedef union | |
| 212 { | |
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213 Sint32 dw; |
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214 Sint16 w[2]; |
| 0 | 215 } DMFixedPoint32; |
| 216 | |
| 217 | |
| 218 /* Macros for fixed point math | |
| 219 */ | |
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220 #define FP_SET(a, k) a.dw = k ## ULL |
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221 #define FP_CONV(a, k) a.dw = (k) |
| 0 | 222 |
| 223 #ifndef SDL_BYTEORDER | |
| 224 # error Undefined byteorder! | |
| 225 #endif | |
| 226 | |
| 227 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 228 # define FP_SETH(a, k) a.w[0] = (k) | |
| 229 # define FP_SETL(a, k) a.w[1] = (k) | |
| 230 # define FP_SETHL(a, h, l) { a.w[0] = (h); a.w[1] = (l); } | |
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231 # define FP_GETH32(a) a.w[0] |
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232 # define FP_GETL32(a) a.w[1] |
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233 # define FP_GETH16(a) a.w[0] |
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234 # define FP_GETL16(a) a.w[1] |
| 0 | 235 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) |
| 236 # define FP_SETH(a, k) a.w[1] = (k) | |
| 237 # define FP_SETL(a, k) a.w[0] = (k) | |
| 238 # define FP_SETHL(a, h, l) { a.w[1] = (h); a.w[0] = (l); } | |
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239 # define FP_GETH32(a) a.w[1] |
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240 # define FP_GETL32(a) a.w[0] |
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241 # define FP_GETH16(a) a.w[1] |
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242 # define FP_GETL16(a) a.w[0] |
| 0 | 243 #else |
| 244 # error Unsupported byte order! | |
| 245 #endif | |
| 246 | |
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247 #define FP_PRINTF64(a) printf("%.8x:%.8x", FP_GETH32(a), FP_GETL32(a)) |
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248 #define FP_PRINTF32(a) printf("%.4x:%.4x", FP_GETH16(a), FP_GETL16(a)) |
| 0 | 249 |
| 250 #define FP_ADD(a, b) a.dw += b.dw | |
| 251 #define FP_SUB(a, b) a.dw -= b.dw | |
| 252 #define FP_ADD_R(r, a, b) r.dw = a.dw + b.dw | |
| 253 #define FP_SUB_R(r, a, b) r.dw = a.dw - b.dw | |
| 254 #define FP_DIV(a, b) a.dw /= b.dw | |
| 255 #define FP_MUL(a, b) a.dw *= b.dw | |
| 256 #define FP_DIV_R(r, a, b) r.dw = (a.dw / b.dw) | |
| 257 #define FP_MUL_R(r, a, b) r.dw = (a.dw * b.dw) | |
| 258 | |
| 259 | |
| 260 /* Miscellaneous types | |
| 261 */ | |
| 262 typedef struct | |
| 263 { | |
| 264 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 265 Uint8 a,g,b,r; | |
| 266 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
| 267 Uint8 r,g,b,a; | |
| 268 #endif | |
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269 } DMColor; |
| 0 | 270 |
| 271 | |
| 272 typedef float DMFloat; | |
| 273 | |
| 274 | |
|
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275 // Macro for swapping two lvalues of same type |
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276 #define DM_SWAP(T, A, B) { T swtmp = (B); B = (A); A = swtmp; } |
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277 #define DM_SWAP_IF(T, A, B) { if ((B) < (A)) { T swtmp = (B); B = (A); A = swtmp; } } |
|
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278 |
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279 |
| 0 | 280 /* Drawing modes used by blitting and some other functions. |
| 281 */ | |
| 282 enum | |
| 283 { | |
| 284 DMD_NONE = 0x0000, | |
| 285 DMD_TRANSPARENT = 0x0001, | |
| 286 DMD_SATURATE = 0x0002, | |
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287 |
| 0 | 288 DMD_ANTIALIAS = 0x0004, |
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289 |
| 0 | 290 DMD_NMODES = 6 |
| 291 }; | |
| 292 | |
| 293 | |
| 294 // Available bitdepths. Not all functions may support every one of these. | |
| 295 enum | |
| 296 { | |
| 297 DMD_8BIT = 0, | |
| 298 DMD_32BIT, | |
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299 |
| 0 | 300 DMD_NBITDEPTHS |
| 301 }; | |
| 302 | |
| 303 | |
| 304 static inline int dmBitsPerPixel2Index(int bpp) | |
| 305 { | |
| 306 return (bpp == 8 ? 0 : (bpp == 32 ? 1 : -1)); | |
| 307 } | |
| 308 | |
| 309 | |
|
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310 static inline DMFloat dmClamp10(const DMFloat a) |
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311 { |
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312 return (a < 0.0f ? 0.0f : (a > 1.0f ? 1.0f : a)); |
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313 } |
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314 |
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315 |
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316 static inline int dmClamp(const int v, const int min, const int max) |
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317 { |
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318 return (v < min ? min : (v > max ? max : v)); |
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319 } |
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320 |
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321 |
| 0 | 322 /* Arbitrary line drawing |
| 323 */ | |
| 324 #ifdef DM_GFX_LINES | |
|
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325 #define DM_HEADER |
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326 #include "dmlinefunc.h" |
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327 |
|
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328 enum |
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329 { |
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330 CLIP_TOP = 1, |
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331 CLIP_BOTTOM = 2, |
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332 CLIP_RIGHT = 4, |
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333 CLIP_LEFT = 8 |
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334 }; |
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335 |
|
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336 #define DM_CLIP_FUNC dmClipLineCoordsFloat |
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337 #define DM_COORD_TYPE DMFloat |
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338 #include "dmlineclip.h" |
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339 |
|
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340 #undef DM_HEADER |
| 0 | 341 #endif |
| 342 | |
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343 |
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344 /* Various blitting functions |
| 0 | 345 */ |
| 346 #ifdef DM_GFX_BLITS | |
| 347 typedef int (*DMScaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, const int dwidth, const int dheight, SDL_Surface *dst); | |
| 348 DMScaledBlitFunc dmGetScaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); | |
| 349 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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350 |
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351 typedef int (*DMUnscaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst); |
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352 DMUnscaledBlitFunc dmGetUnscaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); |
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353 int dmUnscaledBlitSurfaceAny(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst, int mode); |
|
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354 |
|
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355 SDL_Surface *dmConvertScaledSurface(SDL_Surface *src, SDL_PixelFormat *fmt, const int dwidth, const int dheight); |
|
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356 |
|
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357 |
|
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358 #define DM_HEADER |
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359 #include "dmblitfunc.h" |
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360 #undef DM_HEADER |
|
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361 |
|
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362 #endif // DM_GFX_BLITS |
| 0 | 363 |
|
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364 |
|
90
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365 static inline void dmClearSurface(SDL_Surface *screen, const Uint32 col) |
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366 { |
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367 SDL_FillRect(screen, NULL, col); |
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368 } |
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369 |
|
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370 |
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371 static inline Uint32 dmMapRGB(SDL_Surface *screen, int r, int g, int b) |
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372 { |
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373 return SDL_MapRGB(screen->format, r, g, b); |
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374 } |
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375 |
|
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376 |
|
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377 static inline Uint32 dmMapRGBA(SDL_Surface *screen, int r, int g, int b, int a) |
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378 { |
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379 return SDL_MapRGBA(screen->format, r, g, b, a); |
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380 } |
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381 |
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382 |
|
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383 static inline int dmDirectBlitSurface(SDL_Surface *bmp, SDL_Surface *screen) |
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384 { |
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385 return SDL_BlitSurface(bmp, NULL, screen, NULL); |
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386 } |
| 0 | 387 |
| 388 | |
|
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389 static inline SDL_Surface *dmCopySurface(SDL_Surface *src) |
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390 { |
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391 if (src != NULL) |
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392 return SDL_ConvertSurface(src, src->format, src->flags); |
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393 else |
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394 return NULL; |
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395 } |
|
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|
396 |
|
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397 |
| 0 | 398 /* Global variables |
| 399 */ | |
| 2404 | 400 extern char |
| 401 *dmProgName, | |
| 402 *dmProgDesc, | |
| 403 *dmProgVersion, | |
| 404 *dmProgAuthor, | |
| 405 *dmProgLicense; | |
| 406 | |
| 0 | 407 |
| 408 extern int dmVerbosity; | |
| 409 void dmInitProg(char *name, char *desc, char *version, char *author, char *license); | |
| 410 void dmPrintBanner(FILE *outFile, const char *name, const char *usage); | |
|
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411 void dmPrintLicense(FILE *outFile); |
| 0 | 412 |
| 413 void dmMsgVA(int level, const char *fmt, va_list ap); | |
|
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414 void dmMsg(int level, const char *fmt, ...) |
|
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415 DM_ATTR_PRINTF_FMT(2, 3); |
| 0 | 416 void dmPrintVA(int level, const char *fmt, va_list ap); |
|
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417 void dmPrint(int level, const char *fmt, ...) |
|
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418 DM_ATTR_PRINTF_FMT(2, 3); |
| 0 | 419 |
|
958
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420 int dmErrorVA(const int error, const char *fmt, va_list); |
|
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421 int dmError(const int error, const char *fmt, ...) |
|
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422 DM_ATTR_PRINTF_FMT(2, 3); |
|
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423 void dmErrorMsg(const char *fmt, ...) |
|
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424 DM_ATTR_PRINTF_FMT(1, 2); |
| 955 | 425 int dmGetErrno(); |
| 426 const char *dmErrorStr(const int error); | |
| 427 | |
|
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428 #ifdef DM_DEBUG |
| 2404 | 429 # define dmErrorDBG dmError |
| 430 # define dmErrorDBGMsg dmErrorMsg | |
|
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431 #else |
| 2404 | 432 # define dmErrorDBG(ecode, fmt, ...) (ecode) // Dummy |
| 433 # define dmErrorDBGMsg(fmt, ...) | |
|
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434 #endif |
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|
435 |
| 1451 | 436 void * dmMalloc(size_t len); |
| 437 void * dmMalloc0(size_t len); | |
| 438 void * dmRealloc(void *ptr, size_t len); | |
| 439 void * dmCalloc(size_t n, size_t len); | |
| 440 void dmFree(void *ptr); | |
|
1453
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|
441 void dmFreeRReal(void **ptr); |
|
1452
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442 #define dmFreeR(ptr) dmFreeRReal((void **) ptr) |
| 1451 | 443 |
|
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444 |
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445 /** String trimming option flags for dm_strdup_trim() |
|
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446 */ |
|
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|
447 enum |
|
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|
448 { |
|
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449 DM_TRIM_START = 1, |
|
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450 DM_TRIM_END = 2, |
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451 DM_TRIM_BOTH = 3 |
|
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452 }; |
|
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|
453 |
| 1882 | 454 char * dm_strdup(const char *str); |
| 455 char * dm_strndup(const char *str, const size_t n); | |
|
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456 char * dm_strdup_trim(const char *src, const int flags); |
|
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|
457 char * dm_strndup_trim(const char *src, const size_t n, const int flags); |
|
1884
47fe47f01fea
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|
458 char * dm_strdup_vprintf_len(const char *fmt, va_list args, int *len); |
| 1882 | 459 char * dm_strdup_vprintf(const char *fmt, va_list args); |
| 460 char * dm_strdup_printf(const char *fmt, ...); | |
| 0 | 461 |
|
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|
462 int dm_strcasecmp(const char *haystack, const char *needle); |
|
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|
463 int dm_strncasecmp(const char *haystack, const char *needle, size_t n); |
| 816 | 464 char * dm_strrcasecmp(char *str, const char *needle); |
| 0 | 465 |
|
2004
161e731eb152
Improve dmGetIntVal() to accept an optional negative value boolean flag
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|
466 BOOL dmGetIntVal(const char *str, unsigned int *value, BOOL *neg); |
| 955 | 467 |
| 468 | |
|
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|
469 /* Mutexes |
|
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|
470 */ |
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471 #ifdef DM_MUTEX_DEBUG |
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472 |
|
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473 typedef struct |
|
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474 { |
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475 BOOL used; |
|
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|
476 Uint32 id; |
|
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|
477 int state; |
|
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|
478 } DMMutexLock; |
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479 |
|
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480 typedef struct |
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481 { |
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|
482 char *cr_file; |
|
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|
483 int cr_line; |
|
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|
484 SDL_mutex *m; |
|
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|
485 DMMutexLock locks[8]; |
|
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486 } DMMutex; |
|
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|
487 |
| 2404 | 488 # define dmMutexLock(x) dmDOMutexLock(x, __FILE__, (int) __LINE__) |
| 489 # define dmMutexUnlock(x) dmDOMutexUnlock(x, __FILE__, (int) __LINE__) | |
| 490 # define dmCreateMutex(x) dmDOCreateMutex(__FILE__, (int) __LINE__) | |
|
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491 |
|
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492 int dmDOMutexLock(DMMutex *mutex, const char *file, const int line); |
|
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493 int dmDOMutexUnlock(DMMutex *mutex, const char *file, const int line); |
|
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494 DMMutex * dmDOCreateMutex(const char *file, const int line); |
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495 void dmDestroyMutex(DMMutex *mutex); |
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496 |
|
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497 #else |
| 2404 | 498 # define DMMutex SDL_mutex |
| 499 # define dmCreateMutex() SDL_CreateMutex() | |
| 500 # define dmDestroyMutex(x) SDL_DestroyMutex(x) | |
| 501 # define dmMutexLock(x) SDL_mutexP(x) | |
| 502 # define dmMutexUnlock(x) SDL_mutexV(x) | |
|
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503 #endif |
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504 |
| 2404 | 505 |
| 0 | 506 /* Endianess swapping macros |
| 507 */ | |
| 955 | 508 #define DM_SWAP_16_LE_BE(value) ((Uint16) ( \ |
| 0 | 509 (Uint16) ((Uint16) (value) >> 8) | \ |
| 510 (Uint16) ((Uint16) (value) << 8)) ) | |
| 511 | |
| 512 | |
| 955 | 513 #define DM_SWAP_32_LE_BE(value) ((Uint32) ( \ |
| 0 | 514 (((Uint32) (value) & (Uint32) 0x000000ffU) << 24) | \ |
| 515 (((Uint32) (value) & (Uint32) 0x0000ff00U) << 8) | \ | |
| 516 (((Uint32) (value) & (Uint32) 0x00ff0000U) >> 8) | \ | |
| 517 (((Uint32) (value) & (Uint32) 0xff000000U) >> 24))) | |
| 518 | |
| 955 | 519 #define DM_SWAP_64_LE_BE(value) ((Uint64) ( \ |
| 520 (((Uint64) (value) & (Uint64) 0x00000000000000ffULL) << 56) | \ | |
| 521 (((Uint64) (value) & (Uint64) 0x000000000000ff00ULL) << 40) | \ | |
| 522 (((Uint64) (value) & (Uint64) 0x0000000000ff0000ULL) << 24) | \ | |
| 523 (((Uint64) (value) & (Uint64) 0x00000000ff000000ULL) << 8) | \ | |
| 524 (((Uint64) (value) & (Uint64) 0x000000ff00000000ULL) >> 8) | \ | |
| 525 (((Uint64) (value) & (Uint64) 0x0000ff0000000000ULL) >> 24) | \ | |
| 526 (((Uint64) (value) & (Uint64) 0x00ff000000000000ULL) >> 40) | \ | |
| 0 | 527 (((Uint64) (value) & (Uint64) 0xff00000000000000ULL) >> 56))) |
| 873 | 528 |
| 0 | 529 |
| 530 /* Macros that swap only when needed ... | |
| 531 */ | |
| 532 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 770 | 533 # define DM_LE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) |
| 534 # define DM_LE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
| 535 # define DM_NATIVE_TO_LE16(value) DM_SWAP_16_LE_BE(value) | |
| 536 # define DM_NATIVE_TO_LE32(value) DM_SWAP_32_LE_BE(value) | |
| 0 | 537 |
| 770 | 538 # define DM_BE16_TO_NATIVE(value) ((Uint16) (value)) |
| 539 # define DM_BE32_TO_NATIVE(value) ((Uint32) (value)) | |
| 540 # define DM_NATIVE_TO_BE16(value) ((Uint16) (value)) | |
| 541 # define DM_NATIVE_TO_BE32(value) ((Uint32) (value)) | |
| 0 | 542 |
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543 # define DM_LE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) |
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544 # define DM_NATIVE_TO_LE64(value) DM_SWAP_64_LE_BE(value) |
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545 # define DM_BE64_TO_NATIVE(value) ((Uint64) (value)) |
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546 # define DM_NATIVE_TO_BE64(value) ((Uint64) (value)) |
| 0 | 547 |
| 548 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
| 549 | |
| 770 | 550 # define DM_LE16_TO_NATIVE(value) ((Uint16) (value)) |
| 551 # define DM_LE32_TO_NATIVE(value) ((Uint32) (value)) | |
| 552 # define DM_NATIVE_TO_LE16(value) ((Uint16) (value)) | |
| 553 # define DM_NATIVE_TO_LE32(value) ((Uint32) (value)) | |
| 0 | 554 |
| 770 | 555 # define DM_BE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) |
| 556 # define DM_BE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
| 557 # define DM_NATIVE_TO_BE16(value) DM_SWAP_16_LE_BE(value) | |
| 558 # define DM_NATIVE_TO_BE32(value) DM_SWAP_32_LE_BE(value) | |
| 0 | 559 |
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560 # define DM_LE64_TO_NATIVE(value) ((Uint64) (value)) |
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561 # define DM_NATIVE_TO_LE64(value) ((Uint64) (value)) |
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parents:
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562 # define DM_BE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) |
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563 # define DM_NATIVE_TO_BE64(value) DM_SWAP_64_LE_BE(value) |
| 0 | 564 #endif |
| 565 | |
| 566 | |
| 567 #ifdef __cplusplus | |
| 568 } | |
| 569 #endif | |
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570 |
| 0 | 571 #endif // DMLIB_H |