Mercurial > hg > dmlib
annotate dmlib.h @ 305:036fde2fd630
Add mathematical constants DM_PI, DM_PI2 and DM_E.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Thu, 11 Oct 2012 21:20:05 +0300 |
| parents | dd9809a93425 |
| children | 9f16badc4bd3 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * DMLib | |
| 3 * -- Main header file | |
| 4 * Programmed and designed by Matti 'ccr' Hamalainen | |
| 5 * (C) Copyright 2011 Tecnic Software productions (TNSP) | |
| 6 */ | |
| 7 #ifndef DMLIB_H | |
| 8 #define DMLIB_H | |
| 9 | |
|
288
e2f286781180
Use more glanular header includes from SDL, enables us to succesfully link
Matti Hamalainen <ccr@tnsp.org>
parents:
265
diff
changeset
|
10 #include <SDL_config.h> |
|
e2f286781180
Use more glanular header includes from SDL, enables us to succesfully link
Matti Hamalainen <ccr@tnsp.org>
parents:
265
diff
changeset
|
11 #include <SDL_endian.h> |
|
e2f286781180
Use more glanular header includes from SDL, enables us to succesfully link
Matti Hamalainen <ccr@tnsp.org>
parents:
265
diff
changeset
|
12 #include <SDL_types.h> |
|
e2f286781180
Use more glanular header includes from SDL, enables us to succesfully link
Matti Hamalainen <ccr@tnsp.org>
parents:
265
diff
changeset
|
13 #include <SDL_mutex.h> |
|
e2f286781180
Use more glanular header includes from SDL, enables us to succesfully link
Matti Hamalainen <ccr@tnsp.org>
parents:
265
diff
changeset
|
14 #include <SDL_video.h> |
| 0 | 15 #include <stdarg.h> |
| 16 | |
| 17 #ifdef DM_USE_ASSERTS | |
| 18 #include <assert.h> | |
| 19 #else | |
| 20 #define assert(NEXPR) // stub | |
| 21 #endif | |
| 22 | |
| 23 #ifdef __cplusplus | |
| 24 extern "C" { | |
| 25 #endif | |
| 26 | |
| 27 // Defaults | |
| 28 //#define DM_PROG_AUTHOR "By Matti 'ccr' Hmlinen (C) Copyright 2012 TNSP" | |
| 29 //#define DM_PROG_LICENSE "This software is licensed under GNU GPL version 2" | |
| 30 | |
| 31 #define DM_PROG_AUTHOR "" | |
| 32 #define DM_PROG_LICENSE "" | |
| 33 | |
| 34 /* Error codes | |
| 35 */ | |
| 36 enum { | |
| 37 // General error codes | |
| 38 DMERR_OK = 0, | |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
39 DMERR_PROGRESS, // Status OK, but operation in progress |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
40 |
| 0 | 41 DMERR_FOPEN, |
| 42 DMERR_FREAD, | |
| 43 DMERR_FWRITE, | |
| 44 DMERR_FSEEK, | |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
45 DMERR_NOT_FOUND, // Resource/data not found |
| 0 | 46 |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
47 DMERR_INVALID_DATA, // Some data was invalid |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
48 DMERR_MALLOC, // Memory allocation failure |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
49 DMERR_ALREADY_INIT, // Resource has already been initialized |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
50 DMERR_INIT_FAIL, // General initialization failure |
| 0 | 51 DMERR_INVALID_ARGS, |
| 52 | |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
53 DMERR_NULLPTR, // NULL pointer specified in critical argument |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
54 DMERR_NOT_SUPPORTED,// Operation not supported |
| 0 | 55 DMERR_OUT_OF_DATA, |
| 56 DMERR_EXTRA_DATA, | |
| 57 DMERR_BOUNDS, | |
| 58 | |
| 59 // PACK-file subsystem | |
| 60 DMERR_NOTPACK, | |
| 61 DMERR_VERSION, | |
| 62 DMERR_INVALID, | |
| 63 DMERR_COMPRESSION, | |
| 64 }; | |
| 65 | |
| 66 | |
| 67 // Resource management defines | |
| 68 #define DMRES_NAME_LEN 32 | |
| 69 #define DMRES_DATA_PACK "data.pak" // Name of the data-file | |
| 70 #define DMRES_DATA_PATH "DATA/" // Sub-directory path | |
| 71 #define DMRES_RES_FILE "res.txt" // Resource data file | |
| 72 | |
| 73 | |
| 74 /* Define a boolean type | |
| 75 */ | |
| 76 #if !defined(FALSE) && !defined(TRUE) && !defined(BOOL) | |
| 77 typedef enum { FALSE = 0, TRUE = 1 } BOOL; | |
| 78 #endif | |
| 79 | |
| 80 #ifndef BOOL | |
| 81 #ifdef bool | |
| 82 #define BOOL bool | |
| 83 #else | |
| 84 #define BOOL int | |
| 85 #endif | |
| 86 #endif | |
| 87 | |
| 88 | |
|
305
036fde2fd630
Add mathematical constants DM_PI, DM_PI2 and DM_E.
Matti Hamalainen <ccr@tnsp.org>
parents:
294
diff
changeset
|
89 /* Math constants |
|
036fde2fd630
Add mathematical constants DM_PI, DM_PI2 and DM_E.
Matti Hamalainen <ccr@tnsp.org>
parents:
294
diff
changeset
|
90 */ |
|
036fde2fd630
Add mathematical constants DM_PI, DM_PI2 and DM_E.
Matti Hamalainen <ccr@tnsp.org>
parents:
294
diff
changeset
|
91 #define DM_PI 3.14159265358f |
|
036fde2fd630
Add mathematical constants DM_PI, DM_PI2 and DM_E.
Matti Hamalainen <ccr@tnsp.org>
parents:
294
diff
changeset
|
92 #define DM_PI2 6.28318530718f |
|
036fde2fd630
Add mathematical constants DM_PI, DM_PI2 and DM_E.
Matti Hamalainen <ccr@tnsp.org>
parents:
294
diff
changeset
|
93 #define DM_E 2.71828182846f |
|
036fde2fd630
Add mathematical constants DM_PI, DM_PI2 and DM_E.
Matti Hamalainen <ccr@tnsp.org>
parents:
294
diff
changeset
|
94 |
|
036fde2fd630
Add mathematical constants DM_PI, DM_PI2 and DM_E.
Matti Hamalainen <ccr@tnsp.org>
parents:
294
diff
changeset
|
95 |
| 0 | 96 /* Fixed point math type |
| 97 */ | |
| 98 typedef union | |
| 99 { | |
|
36
f3407a58e01e
Change DMFixedPoint types and appropriate JSS functions back to using signed
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
100 Sint64 dw; |
|
f3407a58e01e
Change DMFixedPoint types and appropriate JSS functions back to using signed
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
101 Sint32 w[2]; |
| 0 | 102 } DMFixedPoint; |
| 103 | |
| 104 | |
| 105 typedef union | |
| 106 { | |
|
36
f3407a58e01e
Change DMFixedPoint types and appropriate JSS functions back to using signed
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
107 Sint32 dw; |
|
f3407a58e01e
Change DMFixedPoint types and appropriate JSS functions back to using signed
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
108 Sint16 w[2]; |
| 0 | 109 } DMFixedPoint32; |
| 110 | |
| 111 | |
| 112 /* Macros for fixed point math | |
| 113 */ | |
| 114 #if __GNUC__ >= 3 | |
| 115 # define FP_SET(a, k) a.dw = k ## ULL | |
| 116 #else | |
| 117 # define FP_SET(a, k) a.dw = k | |
| 118 #endif | |
| 119 | |
|
138
459a1be2bd0f
A minor improvement to FP_CONV() fixed point macro.
Matti Hamalainen <ccr@tnsp.org>
parents:
118
diff
changeset
|
120 #define FP_CONV(a, k) a.dw = (k) |
| 0 | 121 |
| 122 #ifndef SDL_BYTEORDER | |
| 123 # error Undefined byteorder! | |
| 124 #endif | |
| 125 | |
| 126 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 127 # define FP_SETH(a, k) a.w[0] = (k) | |
| 128 # define FP_SETL(a, k) a.w[1] = (k) | |
| 129 # define FP_SETHL(a, h, l) { a.w[0] = (h); a.w[1] = (l); } | |
| 130 # define FP_GETH(a) a.w[0] | |
| 131 # define FP_GETL(a) a.w[1] | |
| 132 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
| 133 # define FP_SETH(a, k) a.w[1] = (k) | |
| 134 # define FP_SETL(a, k) a.w[0] = (k) | |
| 135 # define FP_SETHL(a, h, l) { a.w[1] = (h); a.w[0] = (l); } | |
| 136 # define FP_GETH(a) a.w[1] | |
| 137 # define FP_GETL(a) a.w[0] | |
| 138 #else | |
| 139 # error Unsupported byte order! | |
| 140 #endif | |
| 141 | |
| 142 #define FP_PRINTF(a) printf("%.8x:%.8x", FP_GETH(a), FP_GETL(a)) | |
| 143 #define FP_PRINTF32(a) printf("%.4x:%.4x", FP_GETH(a), FP_GETL(a)) | |
| 144 | |
| 145 #define FP_ADD(a, b) a.dw += b.dw | |
| 146 #define FP_SUB(a, b) a.dw -= b.dw | |
| 147 #define FP_ADD_R(r, a, b) r.dw = a.dw + b.dw | |
| 148 #define FP_SUB_R(r, a, b) r.dw = a.dw - b.dw | |
| 149 #define FP_DIV(a, b) a.dw /= b.dw | |
| 150 #define FP_MUL(a, b) a.dw *= b.dw | |
| 151 #define FP_DIV_R(r, a, b) r.dw = (a.dw / b.dw) | |
| 152 #define FP_MUL_R(r, a, b) r.dw = (a.dw * b.dw) | |
| 153 | |
| 154 | |
| 155 /* Miscellaneous types | |
| 156 */ | |
| 157 typedef struct | |
| 158 { | |
| 159 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 160 Uint8 a,g,b,r; | |
| 161 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
| 162 Uint8 r,g,b,a; | |
| 163 #endif | |
| 164 } DMRGBA32; | |
| 165 | |
| 166 | |
| 167 typedef float DMFloat; | |
| 168 | |
| 169 | |
|
118
c36e0316de9f
Move DM_SWAP() macro to dmlib.h
Matti Hamalainen <ccr@tnsp.org>
parents:
108
diff
changeset
|
170 // Macro for swapping two lvalues of same type |
|
c36e0316de9f
Move DM_SWAP() macro to dmlib.h
Matti Hamalainen <ccr@tnsp.org>
parents:
108
diff
changeset
|
171 #define DM_SWAP(T, A, B) { if ((B) < (A)) { T swtmp = (B); B = (A); A = swtmp; } } |
|
c36e0316de9f
Move DM_SWAP() macro to dmlib.h
Matti Hamalainen <ccr@tnsp.org>
parents:
108
diff
changeset
|
172 |
|
c36e0316de9f
Move DM_SWAP() macro to dmlib.h
Matti Hamalainen <ccr@tnsp.org>
parents:
108
diff
changeset
|
173 |
| 0 | 174 /* Drawing modes used by blitting and some other functions. |
| 175 */ | |
| 176 enum | |
| 177 { | |
| 178 DMD_NONE = 0x0000, | |
| 179 DMD_TRANSPARENT = 0x0001, | |
| 180 DMD_SATURATE = 0x0002, | |
| 181 | |
| 182 DMD_ANTIALIAS = 0x0004, | |
| 183 | |
| 184 DMD_NMODES = 6 | |
| 185 }; | |
| 186 | |
| 187 | |
| 188 // Available bitdepths. Not all functions may support every one of these. | |
| 189 enum | |
| 190 { | |
| 191 DMD_8BIT = 0, | |
| 192 DMD_32BIT, | |
| 193 | |
| 194 DMD_NBITDEPTHS | |
| 195 }; | |
| 196 | |
| 197 | |
| 198 static inline int dmBitsPerPixel2Index(int bpp) | |
| 199 { | |
| 200 return (bpp == 8 ? 0 : (bpp == 32 ? 1 : -1)); | |
| 201 } | |
| 202 | |
| 203 | |
| 204 /* Generic parameter interpolation | |
| 205 */ | |
| 206 #define DMM_S_CURVE(t) ((t) * (t) * (3.0f - 2.0f * (t))) | |
| 207 #define DMM_LERP(t, a, b) ((a) + (t) * ((b) - (a))) | |
| 208 | |
| 209 typedef struct | |
| 210 { | |
| 211 DMFloat start, end, nsteps; | |
| 212 } DMLerpContext; | |
| 213 | |
| 214 | |
| 215 void dmLerpInit(DMLerpContext *ctx, DMFloat start, DMFloat end, DMFloat nsteps); | |
|
108
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
216 DMFloat dmCatmullRom(const DMFloat t, const DMFloat p0, const DMFloat p1, const DMFloat p2, const DMFloat p3); |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
217 |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
218 |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
219 static inline DMFloat dmClamp10(const DMFloat a) |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
220 { |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
221 return (a < 0.0f ? 0.0f : (a > 1.0f ? 1.0f : a)); |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
222 } |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
223 |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
224 |
|
153
0b2866e25bf1
Add dmClamp(value, min, max) for clamping integer values.
Matti Hamalainen <ccr@tnsp.org>
parents:
150
diff
changeset
|
225 static inline int dmClamp(const int v, const int min, const int max) |
|
0b2866e25bf1
Add dmClamp(value, min, max) for clamping integer values.
Matti Hamalainen <ccr@tnsp.org>
parents:
150
diff
changeset
|
226 { |
|
0b2866e25bf1
Add dmClamp(value, min, max) for clamping integer values.
Matti Hamalainen <ccr@tnsp.org>
parents:
150
diff
changeset
|
227 return (v < min ? min : (v > max ? max : v)); |
|
0b2866e25bf1
Add dmClamp(value, min, max) for clamping integer values.
Matti Hamalainen <ccr@tnsp.org>
parents:
150
diff
changeset
|
228 } |
|
0b2866e25bf1
Add dmClamp(value, min, max) for clamping integer values.
Matti Hamalainen <ccr@tnsp.org>
parents:
150
diff
changeset
|
229 |
|
0b2866e25bf1
Add dmClamp(value, min, max) for clamping integer values.
Matti Hamalainen <ccr@tnsp.org>
parents:
150
diff
changeset
|
230 |
|
108
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
231 static inline DMFloat dmLerpSCurve(DMLerpContext *ctx, const DMFloat step) |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
232 { |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
233 const DMFloat n = step / ctx->nsteps; |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
234 const DMFloat v = DMM_S_CURVE(n); |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
235 return DMM_LERP(v, ctx->start, ctx->end); |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
236 } |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
237 |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
238 |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
239 static inline DMFloat dmLerpSCurveClamp(DMLerpContext *ctx, const DMFloat step) |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
240 { |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
241 const DMFloat n = dmClamp10(step / ctx->nsteps); |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
242 const DMFloat v = DMM_S_CURVE(n); |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
243 return DMM_LERP(v, ctx->start, ctx->end); |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
244 } |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
245 |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
246 |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
247 static inline DMFloat dmLerp1(DMLerpContext *ctx, const DMFloat step) |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
248 { |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
249 const DMFloat v = step / ctx->nsteps; |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
250 return DMM_LERP(v, ctx->start, ctx->end); |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
251 } |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
252 |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
253 |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
254 static inline DMFloat dmLerp1Clamp(DMLerpContext *ctx, const DMFloat step) |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
255 { |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
256 const DMFloat v = dmClamp10(step / ctx->nsteps); |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
257 return DMM_LERP(v, ctx->start, ctx->end); |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
258 } |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
259 |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
260 |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
261 static inline DMFloat dmCatmullRomClamp(const DMFloat t, const DMFloat p0, const DMFloat p1, const DMFloat p2, const DMFloat p3) |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
262 { |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
263 return dmCatmullRom(dmClamp10(t), p0, p1, p2, p3); |
|
72813cece1ba
Move some lerp functions to the header as static inline functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
106
diff
changeset
|
264 } |
| 0 | 265 |
| 266 | |
| 267 /* Perlin noise | |
| 268 */ | |
| 269 void dmPerlinInit(void); | |
| 270 DMFloat dmPerlinNoise2D(DMFloat x, DMFloat y, DMFloat alpha, DMFloat beta, int n); | |
| 271 | |
| 272 | |
| 273 /* Arbitrary line drawing | |
| 274 */ | |
| 275 #ifdef DM_GFX_LINES | |
|
232
79dac918c81e
Modularize line clipping etc. a lot, and export all line drawing and
Matti Hamalainen <ccr@tnsp.org>
parents:
153
diff
changeset
|
276 #define DM_HEADER |
|
79dac918c81e
Modularize line clipping etc. a lot, and export all line drawing and
Matti Hamalainen <ccr@tnsp.org>
parents:
153
diff
changeset
|
277 #include "dmlinefunc.h" |
|
234
a2abd0b991b6
Modularize line drawing related templates and functions, add clipping
Matti Hamalainen <ccr@tnsp.org>
parents:
232
diff
changeset
|
278 |
|
262
9d015d32841a
Clean up the line clipping a bit, in preparation for fixes.
Matti Hamalainen <ccr@tnsp.org>
parents:
234
diff
changeset
|
279 enum |
|
9d015d32841a
Clean up the line clipping a bit, in preparation for fixes.
Matti Hamalainen <ccr@tnsp.org>
parents:
234
diff
changeset
|
280 { |
|
9d015d32841a
Clean up the line clipping a bit, in preparation for fixes.
Matti Hamalainen <ccr@tnsp.org>
parents:
234
diff
changeset
|
281 CLIP_TOP = 1, |
|
9d015d32841a
Clean up the line clipping a bit, in preparation for fixes.
Matti Hamalainen <ccr@tnsp.org>
parents:
234
diff
changeset
|
282 CLIP_BOTTOM = 2, |
|
9d015d32841a
Clean up the line clipping a bit, in preparation for fixes.
Matti Hamalainen <ccr@tnsp.org>
parents:
234
diff
changeset
|
283 CLIP_RIGHT = 4, |
|
9d015d32841a
Clean up the line clipping a bit, in preparation for fixes.
Matti Hamalainen <ccr@tnsp.org>
parents:
234
diff
changeset
|
284 CLIP_LEFT = 8 |
|
9d015d32841a
Clean up the line clipping a bit, in preparation for fixes.
Matti Hamalainen <ccr@tnsp.org>
parents:
234
diff
changeset
|
285 }; |
|
9d015d32841a
Clean up the line clipping a bit, in preparation for fixes.
Matti Hamalainen <ccr@tnsp.org>
parents:
234
diff
changeset
|
286 |
|
234
a2abd0b991b6
Modularize line drawing related templates and functions, add clipping
Matti Hamalainen <ccr@tnsp.org>
parents:
232
diff
changeset
|
287 #define DM_CLIP_FUNC dmClipLineCoordsFloat |
|
a2abd0b991b6
Modularize line drawing related templates and functions, add clipping
Matti Hamalainen <ccr@tnsp.org>
parents:
232
diff
changeset
|
288 #define DM_COORD_TYPE DMFloat |
|
a2abd0b991b6
Modularize line drawing related templates and functions, add clipping
Matti Hamalainen <ccr@tnsp.org>
parents:
232
diff
changeset
|
289 #include "dmlineclip.h" |
|
a2abd0b991b6
Modularize line drawing related templates and functions, add clipping
Matti Hamalainen <ccr@tnsp.org>
parents:
232
diff
changeset
|
290 |
|
232
79dac918c81e
Modularize line clipping etc. a lot, and export all line drawing and
Matti Hamalainen <ccr@tnsp.org>
parents:
153
diff
changeset
|
291 #undef DM_HEADER |
| 0 | 292 #endif |
| 293 | |
|
95
0430f484641b
Add unscaled blitting functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
90
diff
changeset
|
294 |
|
0430f484641b
Add unscaled blitting functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
90
diff
changeset
|
295 /* Various blitting functions |
| 0 | 296 */ |
| 297 #ifdef DM_GFX_BLITS | |
| 298 typedef int (*DMScaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, const int dwidth, const int dheight, SDL_Surface *dst); | |
| 299 DMScaledBlitFunc dmGetScaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); | |
| 300 int dmScaledBlitSurfaceAny(SDL_Surface *src, const int x0, const int y0, const int dwidth, const int dheight, SDL_Surface *dst, int mode); | |
|
19
10f58ff516b3
Add function prototypes for two special case scaled blit functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
301 |
|
95
0430f484641b
Add unscaled blitting functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
90
diff
changeset
|
302 typedef int (*DMUnscaledBlitFunc)(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst); |
|
0430f484641b
Add unscaled blitting functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
90
diff
changeset
|
303 DMUnscaledBlitFunc dmGetUnscaledBlitFunc(SDL_PixelFormat *src, SDL_PixelFormat *dst, int mode); |
|
0430f484641b
Add unscaled blitting functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
90
diff
changeset
|
304 int dmUnscaledBlitSurfaceAny(SDL_Surface *src, const int x0, const int y0, SDL_Surface *dst, int mode); |
|
232
79dac918c81e
Modularize line clipping etc. a lot, and export all line drawing and
Matti Hamalainen <ccr@tnsp.org>
parents:
153
diff
changeset
|
305 |
|
79dac918c81e
Modularize line clipping etc. a lot, and export all line drawing and
Matti Hamalainen <ccr@tnsp.org>
parents:
153
diff
changeset
|
306 #define DM_HEADER |
|
79dac918c81e
Modularize line clipping etc. a lot, and export all line drawing and
Matti Hamalainen <ccr@tnsp.org>
parents:
153
diff
changeset
|
307 #include "dmblitfunc.h" |
|
79dac918c81e
Modularize line clipping etc. a lot, and export all line drawing and
Matti Hamalainen <ccr@tnsp.org>
parents:
153
diff
changeset
|
308 #undef DM_HEADER |
| 0 | 309 #endif |
| 310 | |
|
95
0430f484641b
Add unscaled blitting functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
90
diff
changeset
|
311 |
| 0 | 312 /* Misc functions |
| 313 */ | |
| 314 #ifdef DM_GFX_MISC | |
| 315 void dmFillRect(SDL_Surface *screen, int x0, int y0, int x1, int y1, const Uint32 col); | |
| 316 void dmDrawHLine(SDL_Surface *screen, int x0, int x1, int yc, const Uint32 col); | |
| 317 void dmDrawVLine(SDL_Surface *screen, int y0, int y1, int xc, const Uint32 col); | |
|
150
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
138
diff
changeset
|
318 |
|
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
138
diff
changeset
|
319 void dmDrawBox3D(SDL_Surface *screen, int x0, int y0, int x1, int y1, Uint32 ucol, Uint32 dcol); |
|
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
138
diff
changeset
|
320 void dmFillBox3D(SDL_Surface *screen, int x0, int y0, int x1, int y1, Uint32 bgcol, Uint32 ucol, Uint32 dcol); |
|
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
138
diff
changeset
|
321 |
|
90
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
322 |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
323 static inline void dmClearSurface(SDL_Surface *screen, const Uint32 col) |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
324 { |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
325 SDL_FillRect(screen, NULL, col); |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
326 } |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
327 |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
328 |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
329 static inline Uint32 dmMapRGB(SDL_Surface *screen, int r, int g, int b) |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
330 { |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
331 return SDL_MapRGB(screen->format, r, g, b); |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
332 } |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
333 |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
334 |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
335 static inline Uint32 dmMapRGBA(SDL_Surface *screen, int r, int g, int b, int a) |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
336 { |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
337 return SDL_MapRGBA(screen->format, r, g, b, a); |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
338 } |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
339 |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
340 |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
341 static inline int dmDirectBlitSurface(SDL_Surface *bmp, SDL_Surface *screen) |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
342 { |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
343 return SDL_BlitSurface(bmp, NULL, screen, NULL); |
|
1ab3fd8b9afc
Move some very tiny gfx functions to the dmlib header as static inline ones.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
344 } |
| 0 | 345 #endif |
| 346 | |
| 347 | |
| 348 /* Global variables | |
| 349 */ | |
| 350 extern char *dmProgName, | |
| 351 *dmProgDesc, | |
| 352 *dmProgVersion, | |
| 353 *dmProgAuthor, | |
| 354 *dmProgLicense; | |
| 355 | |
| 356 extern int dmVerbosity; | |
| 357 void dmInitProg(char *name, char *desc, char *version, char *author, char *license); | |
| 358 void dmPrintBanner(FILE *outFile, const char *name, const char *usage); | |
| 359 | |
| 360 void dmMsgVA(int level, const char *fmt, va_list ap); | |
| 361 void dmMsg(int level, const char *fmt, ...); | |
| 362 void dmPrintVA(int level, const char *fmt, va_list ap); | |
| 363 void dmPrint(int level, const char *fmt, ...); | |
| 364 void dmErrorVA(const char *fmt, va_list); | |
| 365 void dmError(const char *fmt, ...); | |
| 366 | |
| 367 void * dmMalloc(size_t); | |
| 368 void * dmMalloc0(size_t); | |
| 369 void * dmRealloc(void *, size_t); | |
| 370 void * dmCalloc(size_t, size_t); | |
| 371 void dmFree(void *); | |
| 372 | |
| 373 BOOL dmGetIntVal(const char *s, int *i); | |
| 374 | |
| 375 int dmGetErrno(); | |
| 376 const char *dmErrorStr(int error); | |
| 377 | |
| 378 char * dm_strdup(const char *); | |
| 379 char * dm_strdup_vprintf(const char *, va_list); | |
| 380 char * dm_strdup_printf(const char *, ...); | |
| 381 | |
| 382 | |
|
294
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
383 /* Mutexes |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
384 */ |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
385 #ifdef DM_MUTEX_DEBUG |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
386 |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
387 typedef struct |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
388 { |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
389 BOOL used; |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
390 Uint32 id; |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
391 int state; |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
392 } DMMutexLock; |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
393 |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
394 typedef struct |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
395 { |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
396 char *cr_file; |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
397 int cr_line; |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
398 SDL_mutex *m; |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
399 DMMutexLock locks[8]; |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
400 } DMMutex; |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
401 |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
402 #define dmMutexLock(x) dmDOMutexLock(x, __FILE__, (int) __LINE__) |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
403 #define dmMutexUnlock(x) dmDOMutexUnlock(x, __FILE__, (int) __LINE__) |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
404 #define dmCreateMutex(x) dmDOCreateMutex(__FILE__, (int) __LINE__) |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
405 |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
406 int dmDOMutexLock(DMMutex *mutex, const char *file, const int line); |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
407 int dmDOMutexUnlock(DMMutex *mutex, const char *file, const int line); |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
408 DMMutex * dmDOCreateMutex(const char *file, const int line); |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
409 void dmDestroyMutex(DMMutex *mutex); |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
410 |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
411 #else |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
412 #define DMMutex SDL_mutex |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
413 #define dmCreateMutex() SDL_CreateMutex() |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
414 #define dmDestroyMutex(x) SDL_DestroyMutex(x) |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
415 #define dmMutexLock(x) SDL_mutexP(x) |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
416 #define dmMutexUnlock(x) SDL_mutexV(x) |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
417 #endif |
|
dd9809a93425
Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents:
288
diff
changeset
|
418 |
| 0 | 419 /* Endianess swapping macros |
| 420 */ | |
| 421 #define DM_SWAP_16_LE_BE(value) ((Uint16) ( \ | |
| 422 (Uint16) ((Uint16) (value) >> 8) | \ | |
| 423 (Uint16) ((Uint16) (value) << 8)) ) | |
| 424 | |
| 425 | |
| 426 #define DM_SWAP_32_LE_BE(value) ((Uint32) ( \ | |
| 427 (((Uint32) (value) & (Uint32) 0x000000ffU) << 24) | \ | |
| 428 (((Uint32) (value) & (Uint32) 0x0000ff00U) << 8) | \ | |
| 429 (((Uint32) (value) & (Uint32) 0x00ff0000U) >> 8) | \ | |
| 430 (((Uint32) (value) & (Uint32) 0xff000000U) >> 24))) | |
| 431 | |
| 432 #ifdef DM_HAVE_64BIT | |
| 433 #define DM_SWAP_64_LE_BE(value) ((Uint64) ( \ | |
| 434 (((Uint64) (value) & (Uint64) 0x00000000000000ffULL) << 56) | \ | |
| 435 (((Uint64) (value) & (Uint64) 0x000000000000ff00ULL) << 40) | \ | |
| 436 (((Uint64) (value) & (Uint64) 0x0000000000ff0000ULL) << 24) | \ | |
| 437 (((Uint64) (value) & (Uint64) 0x00000000ff000000ULL) << 8) | \ | |
| 438 (((Uint64) (value) & (Uint64) 0x000000ff00000000ULL) >> 8) | \ | |
| 439 (((Uint64) (value) & (Uint64) 0x0000ff0000000000ULL) >> 24) | \ | |
| 440 (((Uint64) (value) & (Uint64) 0x00ff000000000000ULL) >> 40) | \ | |
| 441 (((Uint64) (value) & (Uint64) 0xff00000000000000ULL) >> 56))) | |
| 442 #endif | |
| 443 | |
| 444 /* Macros that swap only when needed ... | |
| 445 */ | |
| 446 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) | |
| 447 # define DM_LE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) | |
| 448 # define DM_LE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
| 449 # define DM_NATIVE_TO_LE16(value) DM_SWAP_16_LE_BE(value) | |
| 450 # define DM_NATIVE_TO_LE32(value) DM_SWAP_32_LE_BE(value) | |
| 451 | |
| 452 # define DM_BE16_TO_NATIVE(value) ((Uint16) (value)) | |
| 453 # define DM_BE32_TO_NATIVE(value) ((Uint32) (value)) | |
| 454 # define DM_NATIVE_TO_BE16(value) ((Uint16) (value)) | |
| 455 # define DM_NATIVE_TO_BE32(value) ((Uint32) (value)) | |
| 456 | |
| 457 # ifdef DM_HAVE_64BIT | |
| 458 # define DM_LE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) | |
| 459 # define DM_NATIVE_TO_LE64(value) DM_SWAP_64_LE_BE(value) | |
| 460 # define DM_BE64_TO_NATIVE(value) ((Uint64) (value)) | |
| 461 # define DM_NATIVE_TO_BE64(value) ((Uint64) (value)) | |
| 462 # endif | |
| 463 | |
| 464 #elif (SDL_BYTEORDER == SDL_LIL_ENDIAN) | |
| 465 | |
| 466 # define DM_LE16_TO_NATIVE(value) ((Uint16) (value)) | |
| 467 # define DM_LE32_TO_NATIVE(value) ((Uint32) (value)) | |
| 468 # define DM_NATIVE_TO_LE16(value) ((Uint16) (value)) | |
| 469 # define DM_NATIVE_TO_LE32(value) ((Uint32) (value)) | |
| 470 | |
| 471 # define DM_BE16_TO_NATIVE(value) DM_SWAP_16_LE_BE(value) | |
| 472 # define DM_BE32_TO_NATIVE(value) DM_SWAP_32_LE_BE(value) | |
| 473 # define DM_NATIVE_TO_BE16(value) DM_SWAP_16_LE_BE(value) | |
| 474 # define DM_NATIVE_TO_BE32(value) DM_SWAP_32_LE_BE(value) | |
| 475 | |
| 476 # ifdef DM_HAVE_64BIT | |
| 477 # define DM_LE64_TO_NATIVE(value) ((Uint64) (value)) | |
| 478 # define DM_NATIVE_TO_LE64(value) ((Uint64) (value)) | |
| 479 # define DM_BE64_TO_NATIVE(value) DM_SWAP_64_LE_BE(value) | |
| 480 # define DM_NATIVE_TO_BE64(value) DM_SWAP_64_LE_BE(value) | |
| 481 # endif | |
| 482 #endif | |
| 483 | |
| 484 | |
| 485 #ifdef __cplusplus | |
| 486 } | |
| 487 #endif | |
| 488 #endif // DMLIB_H |