Mercurial > hg > dmlib
annotate src/dmlib.h @ 2550:c58cd7797aff
Bump copyright years.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Fri, 25 Feb 2022 15:33:38 +0200 |
| parents | b544a8e32a35 |
| children | ef6c826c5b7a |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * DMLib | |
| 3 * -- Main header file | |
| 4 * Programmed and designed by Matti 'ccr' Hamalainen | |
| 2550 | 5 * (C) Copyright 2011-2022 Tecnic Software productions (TNSP) |
| 0 | 6 */ |
| 7 #ifndef DMLIB_H | |
| 8 #define DMLIB_H | |
| 9 | |
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10 // Meh, this is a hack due to the crap non-portability of 64bit |
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11 // printf PRI* type specifiers/modifiers |
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12 #if !defined(DM_USE_BONK_TYPES) && (defined(__MINGW32__) || defined(__MINGW64__)) |
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13 # define __USE_MINGW_ANSI_STDIO 1 |
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14 #endif |
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15 |
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16 #include <SDL_config.h> |
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17 #include <SDL_endian.h> |
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18 #include <SDL_types.h> |
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19 #include <SDL_mutex.h> |
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20 #include <SDL_thread.h> |
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21 #include <SDL_video.h> |
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22 #include <SDL_render.h> |
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23 #include <stdio.h> |
| 0 | 24 #include <stdarg.h> |
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25 #include <stdlib.h> |
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26 #include <ctype.h> |
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27 #include <inttypes.h> |
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28 #include <string.h> |
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29 |
| 0 | 30 |
| 31 #ifdef DM_USE_ASSERTS | |
| 770 | 32 # include <assert.h> |
| 0 | 33 #else |
| 770 | 34 # define assert(NEXPR) // stub |
| 0 | 35 #endif |
| 36 | |
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37 |
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38 // Check for arch bitness |
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39 #if defined(__WIN64) || defined(_WIN64) || defined(_WIN32) || defined(__WIN32) |
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40 # define DM_PLAT_WINDOWS 1 |
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41 #else |
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42 # define DM_PLAT_UNIX 1 |
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43 #endif |
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44 |
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45 // Check for arch bitness |
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46 #if !defined(DM_ARCH) && (defined(__WIN64) || defined(_WIN64)) |
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47 # define DM_ARCH 64 |
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48 #endif |
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49 |
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50 #if !defined(DM_ARCH) && (defined(__WIN32) || defined(_WIN32)) |
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51 # define DM_ARCH 32 |
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52 #endif |
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53 |
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54 #if !defined(DM_ARCH) |
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55 # if UINTPTR_MAX == 0xffffffff |
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56 # define DM_ARCH 32 |
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57 # elif UINTPTR_MAX == 0xffffffffffffffff |
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58 # define DM_ARCH 64 |
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59 # endif |
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60 #endif |
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61 |
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62 |
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63 #if !defined(DM_ARCH) |
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64 # if defined(__LP64__) || defined(_LP64) |
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65 # define DM_ARCH 64 |
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66 # else |
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67 # define DM_ARCH 32 |
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68 # endif |
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69 #endif |
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70 |
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71 |
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72 // Kludge, as MinGW64 cross-compiler does not like certain printf() format specifiers |
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73 #if defined(__MINGW32__) || defined(__MINGW64__) |
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74 # define DM_ATTR_PRINTF_FMT(xstart, xend) |
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75 #else |
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76 # define DM_ATTR_PRINTF_FMT(xstart, xend) __attribute__ ((__format__ (__printf__, (xstart), (xend)))) |
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77 #endif |
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78 |
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79 |
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80 // Do we have a valid arch? |
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81 // If so, set some printf specifiers |
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82 #if DM_ARCH == 32 |
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83 # define DM_PRIu32 PRIu32 |
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84 # define DM_PRId32 PRId32 |
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85 # define DM_PRIx32 PRIx32 |
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86 # define DM_PRIX32 PRIX32 |
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87 # ifdef TH_USE_BONK_TYPES |
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88 # define DM_PRIu64 "lld" |
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89 # define DM_PRId64 "lld" |
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90 # define DM_PRIx64 "llx" |
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91 # define DM_PRIX64 "llX" |
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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_PRIu64 PRIu64 |
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97 # define DM_PRId64 PRId64 |
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98 # define DM_PRIx64 PRIx64 |
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99 # define DM_PRIX64 PRIX64 |
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100 # define DM_PRId_OFF_T PRId32 |
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101 # define DM_PRIx_OFF_T PRIx32 |
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102 # define DM_PRIX_OFF_T PRIX32 |
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103 # endif |
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104 # define DM_PRIu_SIZE_T PRIu32 |
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105 # define DM_PRId_SSIZE_T PRId32 |
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106 # define DM_PRIx_SIZE_T PRIx32 |
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107 # define DM_PRIX_SIZE_T PRIX32 |
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108 |
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109 #elif DM_ARCH == 64 |
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110 # define DM_PRIu64 PRIu64 |
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111 # define DM_PRId64 PRId64 |
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112 # define DM_PRIx64 PRIx64 |
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113 # define DM_PRIX64 PRIX64 |
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114 # ifdef TH_USE_BONK_TYPES |
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115 # define DM_PRIu_SIZE_T "I64u" |
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116 # define DM_PRId_SSIZE_T "I64d" |
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117 # define DM_PRIx_SIZE_T "I64x" |
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118 # define DM_PRIX_SIZE_T "I64X" |
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119 # define DM_PRId_OFF_T "I64d" |
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120 # define DM_PRIx_OFF_T "I64x" |
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121 # define DM_PRIX_OFF_T "I64X" |
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122 # else |
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123 # define DM_PRIu_SIZE_T PRIu64 |
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124 # define DM_PRId_SSIZE_T PRId64 |
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125 # define DM_PRIx_SIZE_T PRIx64 |
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126 # define DM_PRIX_SIZE_T PRIX64 |
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127 # define DM_PRId_OFF_T PRId64 |
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128 # define DM_PRIx_OFF_T PRIx64 |
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129 # define DM_PRIX_OFF_T PRIX64 |
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130 # endif |
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131 #else |
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132 # error Could not determine architecture (32/64bit), please define DM_ARCH=32 or 64 |
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133 #endif |
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134 |
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135 |
| 0 | 136 #ifdef __cplusplus |
| 137 extern "C" { | |
| 138 #endif | |
| 139 | |
| 140 // Defaults | |
| 2550 | 141 #define DM_PROG_AUTHOR "By Matti 'ccr' Hamalainen (C) Copyright 2002-2022 TNSP" |
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142 #define DM_PROG_LICENSE "This program is distributed under a 3-clause BSD -style license." |
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143 |
| 0 | 144 |
| 145 /* Error codes | |
| 146 */ | |
| 147 enum { | |
| 770 | 148 // General error codes |
| 149 DMERR_OK = 0, | |
| 150 DMERR_PROGRESS, // Status OK, but operation in progress | |
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151 |
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152 DMERR_INTERNAL, |
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153 |
| 770 | 154 DMERR_FOPEN, |
| 155 DMERR_FREAD, | |
| 156 DMERR_FWRITE, | |
| 157 DMERR_FSEEK, | |
| 158 DMERR_NOT_FOUND, // Resource/data not found | |
| 0 | 159 |
| 770 | 160 DMERR_INVALID_DATA, // Some data was invalid |
| 161 DMERR_MALLOC, // Memory allocation failure | |
| 162 DMERR_ALREADY_INIT, // Resource has already been initialized | |
| 163 DMERR_INIT_FAIL, // General initialization failure | |
| 164 DMERR_INVALID_ARGS, | |
| 0 | 165 |
| 770 | 166 DMERR_NULLPTR, // NULL pointer specified in critical argument |
| 167 DMERR_NOT_SUPPORTED,// Operation not supported | |
| 168 DMERR_OUT_OF_DATA, | |
| 169 DMERR_EXTRA_DATA, | |
| 170 DMERR_BOUNDS, | |
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171 |
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172 DMERR_DATA_ERROR, // Data decoding/encoding/parsing error |
| 1817 | 173 |
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174 DMERR_VERSION, // Unsupported data version |
| 0 | 175 |
| 770 | 176 // PACK-file subsystem |
| 177 DMERR_NOTPACK, | |
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178 DMERR_PACK_VERSION, |
| 770 | 179 DMERR_INVALID, |
| 180 DMERR_COMPRESSION, | |
| 0 | 181 }; |
| 182 | |
| 955 | 183 |
| 813 | 184 // Directory/path separator stuff |
| 185 #define DM_DIR_SEPARATOR '/' | |
| 186 | |
| 0 | 187 |
| 188 // Resource management defines | |
| 189 #define DMRES_NAME_LEN 32 | |
| 190 #define DMRES_RES_FILE "res.txt" // Resource data file | |
| 191 | |
| 192 | |
| 193 /* Define a boolean type | |
| 194 */ | |
| 195 #if !defined(FALSE) && !defined(TRUE) && !defined(BOOL) | |
| 196 typedef enum { FALSE = 0, TRUE = 1 } BOOL; | |
| 197 #endif | |
| 198 | |
| 199 #ifndef BOOL | |
| 770 | 200 # ifdef bool |
| 201 # define BOOL bool | |
| 202 # else | |
| 203 # define BOOL int | |
| 204 # endif | |
| 0 | 205 #endif |
| 206 | |
| 207 | |
|
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208 /* Math constants |
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209 */ |
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210 #define DM_PI 3.14159265358f |
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211 #define DM_PI2 6.28318530718f |
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212 #define DM_E 2.71828182846f |
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213 |
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214 |
| 1146 | 215 /* Fixed point math types |
| 0 | 216 */ |
| 217 typedef union | |
| 218 { | |
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219 Sint64 dw; |
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220 Sint32 w[2]; |
| 0 | 221 } DMFixedPoint; |
| 222 | |
| 223 | |
| 224 typedef union | |
| 225 { | |
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226 Sint32 dw; |
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227 Sint16 w[2]; |
| 0 | 228 } DMFixedPoint32; |
| 229 | |
| 230 | |
| 231 /* Macros for fixed point math | |
| 232 */ | |
|
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233 #define FP_SET(a, k) a.dw = k ## ULL |
|
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234 #define FP_CONV(a, k) a.dw = (k) |
| 0 | 235 |
| 236 #ifndef SDL_BYTEORDER | |
| 237 # error Undefined byteorder! | |
| 238 #endif | |
| 239 | |
| 240 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 241 # define FP_SETH(a, k) a.w[0] = (k) | |
| 242 # define FP_SETL(a, k) a.w[1] = (k) | |
| 243 # define FP_SETHL(a, h, l) { a.w[0] = (h); a.w[1] = (l); } | |
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244 # define FP_GETH32(a) a.w[0] |
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245 # define FP_GETL32(a) a.w[1] |
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246 # define FP_GETH16(a) a.w[0] |
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247 # define FP_GETL16(a) a.w[1] |
| 0 | 248 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) |
| 249 # define FP_SETH(a, k) a.w[1] = (k) | |
| 250 # define FP_SETL(a, k) a.w[0] = (k) | |
| 251 # define FP_SETHL(a, h, l) { a.w[1] = (h); a.w[0] = (l); } | |
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252 # define FP_GETH32(a) a.w[1] |
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253 # define FP_GETL32(a) a.w[0] |
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254 # define FP_GETH16(a) a.w[1] |
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255 # define FP_GETL16(a) a.w[0] |
| 0 | 256 #else |
| 257 # error Unsupported byte order! | |
| 258 #endif | |
| 259 | |
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260 #define FP_PRINTF64(a) printf("%.8x:%.8x", FP_GETH32(a), FP_GETL32(a)) |
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261 #define FP_PRINTF32(a) printf("%.4x:%.4x", FP_GETH16(a), FP_GETL16(a)) |
| 0 | 262 |
| 263 #define FP_ADD(a, b) a.dw += b.dw | |
| 264 #define FP_SUB(a, b) a.dw -= b.dw | |
| 265 #define FP_ADD_R(r, a, b) r.dw = a.dw + b.dw | |
| 266 #define FP_SUB_R(r, a, b) r.dw = a.dw - b.dw | |
| 267 #define FP_DIV(a, b) a.dw /= b.dw | |
| 268 #define FP_MUL(a, b) a.dw *= b.dw | |
| 269 #define FP_DIV_R(r, a, b) r.dw = (a.dw / b.dw) | |
| 270 #define FP_MUL_R(r, a, b) r.dw = (a.dw * b.dw) | |
| 271 | |
| 272 | |
| 273 /* Miscellaneous types | |
| 274 */ | |
| 275 typedef struct | |
| 276 { | |
| 277 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 278 Uint8 a,g,b,r; | |
| 279 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
| 280 Uint8 r,g,b,a; | |
| 281 #endif | |
|
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282 } DMColor; |
| 0 | 283 |
| 284 | |
| 285 typedef float DMFloat; | |
| 286 | |
| 287 | |
|
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288 // Macro for swapping two lvalues of same type |
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289 #define DM_SWAP(T, A, B) { T swtmp = (B); B = (A); A = swtmp; } |
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290 #define DM_SWAP_IF(T, A, B) { if ((B) < (A)) { T swtmp = (B); B = (A); A = swtmp; } } |
|
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291 |
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292 |
| 0 | 293 /* Drawing modes used by blitting and some other functions. |
| 294 */ | |
| 295 enum | |
| 296 { | |
| 297 DMD_NONE = 0x0000, | |
| 298 DMD_TRANSPARENT = 0x0001, | |
| 299 DMD_SATURATE = 0x0002, | |
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300 |
| 0 | 301 DMD_ANTIALIAS = 0x0004, |
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302 |
| 0 | 303 DMD_NMODES = 6 |
| 304 }; | |
| 305 | |
| 306 | |
| 307 // Available bitdepths. Not all functions may support every one of these. | |
| 308 enum | |
| 309 { | |
| 310 DMD_8BIT = 0, | |
| 311 DMD_32BIT, | |
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312 |
| 0 | 313 DMD_NBITDEPTHS |
| 314 }; | |
| 315 | |
| 316 | |
| 317 static inline int dmBitsPerPixel2Index(int bpp) | |
| 318 { | |
| 319 return (bpp == 8 ? 0 : (bpp == 32 ? 1 : -1)); | |
| 320 } | |
| 321 | |
| 322 | |
|
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323 static inline DMFloat dmClamp10(const DMFloat a) |
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324 { |
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325 return (a < 0.0f ? 0.0f : (a > 1.0f ? 1.0f : a)); |
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326 } |
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327 |
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328 |
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329 static inline int dmClamp(const int v, const int min, const int max) |
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330 { |
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331 return (v < min ? min : (v > max ? max : v)); |
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332 } |
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333 |
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334 |
| 0 | 335 /* Arbitrary line drawing |
| 336 */ | |
| 337 #ifdef DM_GFX_LINES | |
|
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338 #define DM_HEADER |
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339 #include "dmlinefunc.h" |
|
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340 |
|
262
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341 enum |
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342 { |
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343 CLIP_TOP = 1, |
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344 CLIP_BOTTOM = 2, |
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345 CLIP_RIGHT = 4, |
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346 CLIP_LEFT = 8 |
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347 }; |
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348 |
|
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349 #define DM_CLIP_FUNC dmClipLineCoordsFloat |
|
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350 #define DM_COORD_TYPE DMFloat |
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351 #include "dmlineclip.h" |
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352 |
|
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353 #undef DM_HEADER |
| 0 | 354 #endif |
| 355 | |
|
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356 |
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357 /* Various blitting functions |
| 0 | 358 */ |
| 359 #ifdef DM_GFX_BLITS | |
| 360 typedef int (*DMScaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, const int dwidth, const int dheight, SDL_Surface *dst); | |
| 361 DMScaledBlitFunc dmGetScaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); | |
| 362 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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363 |
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364 typedef int (*DMUnscaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst); |
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365 DMUnscaledBlitFunc dmGetUnscaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); |
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366 int dmUnscaledBlitSurfaceAny(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst, int mode); |
|
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367 |
|
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368 SDL_Surface *dmConvertScaledSurface(SDL_Surface *src, SDL_PixelFormat *fmt, const int dwidth, const int dheight); |
|
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369 |
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370 |
|
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371 #define DM_HEADER |
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372 #include "dmblitfunc.h" |
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373 #undef DM_HEADER |
|
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374 |
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375 #endif // DM_GFX_BLITS |
| 0 | 376 |
|
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377 |
|
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378 static inline void dmClearSurface(SDL_Surface *screen, const Uint32 col) |
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379 { |
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380 SDL_FillRect(screen, NULL, col); |
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381 } |
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382 |
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383 |
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384 static inline Uint32 dmMapRGB(SDL_Surface *screen, int r, int g, int b) |
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385 { |
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386 return SDL_MapRGB(screen->format, r, g, b); |
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387 } |
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388 |
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389 |
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390 static inline Uint32 dmMapRGBA(SDL_Surface *screen, int r, int g, int b, int a) |
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391 { |
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392 return SDL_MapRGBA(screen->format, r, g, b, a); |
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393 } |
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394 |
|
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395 |
|
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396 static inline int dmDirectBlitSurface(SDL_Surface *bmp, SDL_Surface *screen) |
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397 { |
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398 return SDL_BlitSurface(bmp, NULL, screen, NULL); |
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399 } |
| 0 | 400 |
| 401 | |
|
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402 static inline SDL_Surface *dmCopySurface(SDL_Surface *src) |
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403 { |
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404 if (src != NULL) |
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405 return SDL_ConvertSurface(src, src->format, src->flags); |
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406 else |
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407 return NULL; |
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408 } |
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|
409 |
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410 |
| 0 | 411 /* Global variables |
| 412 */ | |
| 2404 | 413 extern char |
| 414 *dmProgName, | |
| 415 *dmProgDesc, | |
| 416 *dmProgVersion, | |
| 417 *dmProgAuthor, | |
| 418 *dmProgLicense; | |
| 419 | |
| 0 | 420 |
| 421 extern int dmVerbosity; | |
| 422 void dmInitProg(char *name, char *desc, char *version, char *author, char *license); | |
| 423 void dmPrintBanner(FILE *outFile, const char *name, const char *usage); | |
|
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424 void dmPrintLicense(FILE *outFile); |
| 0 | 425 |
| 426 void dmMsgVA(int level, const char *fmt, va_list ap); | |
|
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427 void dmMsg(int level, const char *fmt, ...) |
|
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428 DM_ATTR_PRINTF_FMT(2, 3); |
| 0 | 429 void dmPrintVA(int level, const char *fmt, va_list ap); |
|
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430 void dmPrint(int level, const char *fmt, ...) |
|
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|
431 DM_ATTR_PRINTF_FMT(2, 3); |
| 0 | 432 |
|
958
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433 int dmErrorVA(const int error, const char *fmt, va_list); |
|
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434 int dmError(const int error, const char *fmt, ...) |
|
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435 DM_ATTR_PRINTF_FMT(2, 3); |
|
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436 void dmErrorMsg(const char *fmt, ...) |
|
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437 DM_ATTR_PRINTF_FMT(1, 2); |
| 955 | 438 int dmGetErrno(); |
| 439 const char *dmErrorStr(const int error); | |
| 440 | |
|
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|
441 #ifdef DM_DEBUG |
| 2404 | 442 # define dmErrorDBG dmError |
| 443 # define dmErrorDBGMsg dmErrorMsg | |
|
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444 #else |
| 2404 | 445 # define dmErrorDBG(ecode, fmt, ...) (ecode) // Dummy |
| 446 # define dmErrorDBGMsg(fmt, ...) | |
|
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447 #endif |
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|
448 |
| 1451 | 449 void * dmMalloc(size_t len); |
| 450 void * dmMalloc0(size_t len); | |
| 451 void * dmRealloc(void *ptr, size_t len); | |
| 452 void * dmCalloc(size_t n, size_t len); | |
| 453 void dmFree(void *ptr); | |
|
1453
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454 void dmFreeRReal(void **ptr); |
|
1452
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455 #define dmFreeR(ptr) dmFreeRReal((void **) ptr) |
| 1451 | 456 |
|
2027
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|
457 |
|
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458 /** String trimming option flags for dm_strdup_trim() |
|
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459 */ |
|
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|
460 enum |
|
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461 { |
|
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462 DM_TRIM_START = 1, |
|
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463 DM_TRIM_END = 2, |
|
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464 DM_TRIM_BOTH = 3 |
|
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465 }; |
|
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|
466 |
| 1882 | 467 char * dm_strdup(const char *str); |
| 468 char * dm_strndup(const char *str, const size_t n); | |
|
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469 char * dm_strdup_trim(const char *src, const int flags); |
|
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|
470 char * dm_strndup_trim(const char *src, const size_t n, const int flags); |
|
1884
47fe47f01fea
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|
471 char * dm_strdup_vprintf_len(const char *fmt, va_list args, int *len); |
| 1882 | 472 char * dm_strdup_vprintf(const char *fmt, va_list args); |
| 473 char * dm_strdup_printf(const char *fmt, ...); | |
| 0 | 474 |
| 816 | 475 char * dm_strrcasecmp(char *str, const char *needle); |
| 0 | 476 |
|
2004
161e731eb152
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|
477 BOOL dmGetIntVal(const char *str, unsigned int *value, BOOL *neg); |
| 955 | 478 |
| 479 | |
|
294
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|
480 /* Mutexes |
|
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|
481 */ |
|
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482 #ifdef DM_MUTEX_DEBUG |
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483 |
|
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484 typedef struct |
|
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485 { |
|
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486 BOOL used; |
|
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487 Uint32 id; |
|
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|
488 int state; |
|
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489 } DMMutexLock; |
|
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490 |
|
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491 typedef struct |
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492 { |
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493 char *cr_file; |
|
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494 int cr_line; |
|
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|
495 SDL_mutex *m; |
|
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496 DMMutexLock locks[8]; |
|
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497 } DMMutex; |
|
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498 |
| 2404 | 499 # define dmMutexLock(x) dmDOMutexLock(x, __FILE__, (int) __LINE__) |
| 500 # define dmMutexUnlock(x) dmDOMutexUnlock(x, __FILE__, (int) __LINE__) | |
| 501 # define dmCreateMutex(x) dmDOCreateMutex(__FILE__, (int) __LINE__) | |
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502 |
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503 int dmDOMutexLock(DMMutex *mutex, const char *file, const int line); |
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504 int dmDOMutexUnlock(DMMutex *mutex, const char *file, const int line); |
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505 DMMutex * dmDOCreateMutex(const char *file, const int line); |
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506 void dmDestroyMutex(DMMutex *mutex); |
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507 |
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508 #else |
| 2404 | 509 # define DMMutex SDL_mutex |
| 510 # define dmCreateMutex() SDL_CreateMutex() | |
| 511 # define dmDestroyMutex(x) SDL_DestroyMutex(x) | |
| 512 # define dmMutexLock(x) SDL_mutexP(x) | |
| 513 # define dmMutexUnlock(x) SDL_mutexV(x) | |
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514 #endif |
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515 |
| 2404 | 516 |
| 0 | 517 /* Endianess swapping macros |
| 518 */ | |
| 955 | 519 #define DM_SWAP_16_LE_BE(value) ((Uint16) ( \ |
| 0 | 520 (Uint16) ((Uint16) (value) >> 8) | \ |
| 521 (Uint16) ((Uint16) (value) << 8)) ) | |
| 522 | |
| 523 | |
| 955 | 524 #define DM_SWAP_32_LE_BE(value) ((Uint32) ( \ |
| 0 | 525 (((Uint32) (value) & (Uint32) 0x000000ffU) << 24) | \ |
| 526 (((Uint32) (value) & (Uint32) 0x0000ff00U) << 8) | \ | |
| 527 (((Uint32) (value) & (Uint32) 0x00ff0000U) >> 8) | \ | |
| 528 (((Uint32) (value) & (Uint32) 0xff000000U) >> 24))) | |
| 529 | |
| 955 | 530 #define DM_SWAP_64_LE_BE(value) ((Uint64) ( \ |
| 531 (((Uint64) (value) & (Uint64) 0x00000000000000ffULL) << 56) | \ | |
| 532 (((Uint64) (value) & (Uint64) 0x000000000000ff00ULL) << 40) | \ | |
| 533 (((Uint64) (value) & (Uint64) 0x0000000000ff0000ULL) << 24) | \ | |
| 534 (((Uint64) (value) & (Uint64) 0x00000000ff000000ULL) << 8) | \ | |
| 535 (((Uint64) (value) & (Uint64) 0x000000ff00000000ULL) >> 8) | \ | |
| 536 (((Uint64) (value) & (Uint64) 0x0000ff0000000000ULL) >> 24) | \ | |
| 537 (((Uint64) (value) & (Uint64) 0x00ff000000000000ULL) >> 40) | \ | |
| 0 | 538 (((Uint64) (value) & (Uint64) 0xff00000000000000ULL) >> 56))) |
| 873 | 539 |
| 0 | 540 |
| 541 /* Macros that swap only when needed ... | |
| 542 */ | |
| 543 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 770 | 544 # define DM_LE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) |
| 545 # define DM_LE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
| 546 # define DM_NATIVE_TO_LE16(value) DM_SWAP_16_LE_BE(value) | |
| 547 # define DM_NATIVE_TO_LE32(value) DM_SWAP_32_LE_BE(value) | |
| 0 | 548 |
| 770 | 549 # define DM_BE16_TO_NATIVE(value) ((Uint16) (value)) |
| 550 # define DM_BE32_TO_NATIVE(value) ((Uint32) (value)) | |
| 551 # define DM_NATIVE_TO_BE16(value) ((Uint16) (value)) | |
| 552 # define DM_NATIVE_TO_BE32(value) ((Uint32) (value)) | |
| 0 | 553 |
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554 # define DM_LE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) |
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555 # define DM_NATIVE_TO_LE64(value) DM_SWAP_64_LE_BE(value) |
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556 # define DM_BE64_TO_NATIVE(value) ((Uint64) (value)) |
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557 # define DM_NATIVE_TO_BE64(value) ((Uint64) (value)) |
| 0 | 558 |
| 559 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
| 560 | |
| 770 | 561 # define DM_LE16_TO_NATIVE(value) ((Uint16) (value)) |
| 562 # define DM_LE32_TO_NATIVE(value) ((Uint32) (value)) | |
| 563 # define DM_NATIVE_TO_LE16(value) ((Uint16) (value)) | |
| 564 # define DM_NATIVE_TO_LE32(value) ((Uint32) (value)) | |
| 0 | 565 |
| 770 | 566 # define DM_BE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) |
| 567 # define DM_BE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
| 568 # define DM_NATIVE_TO_BE16(value) DM_SWAP_16_LE_BE(value) | |
| 569 # define DM_NATIVE_TO_BE32(value) DM_SWAP_32_LE_BE(value) | |
| 0 | 570 |
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571 # define DM_LE64_TO_NATIVE(value) ((Uint64) (value)) |
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572 # define DM_NATIVE_TO_LE64(value) ((Uint64) (value)) |
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573 # define DM_BE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) |
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574 # define DM_NATIVE_TO_BE64(value) DM_SWAP_64_LE_BE(value) |
| 0 | 575 #endif |
| 576 | |
| 577 | |
| 578 #ifdef __cplusplus | |
| 579 } | |
| 580 #endif | |
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581 |
| 0 | 582 #endif // DMLIB_H |