src/mesa/drivers/windows/colors.h

   1 /*      File name       :       colors.h
   2  *  Version             :       2.3
   3  *
   4  *  Header file for display driver for Mesa 2.3  under
   5  *      Windows95 and WindowsNT
   6  *      This file defines macros and global variables  needed
   7  *      for converting color format
   8  *
   9  *      Copyright (C) 1996-  Li Wei
  10  *  Address             :               Institute of Artificial Intelligence
  11  *                              :                       & Robotics
  12  *                              :               Xi'an Jiaotong University
  13  *  Email               :               liwei@aiar.xjtu.edu.cn
  14  *  Web page    :               http://sun.aiar.xjtu.edu.cn
  15  *
  16  *  This file and its associations are partially based on the
  17  *  Windows NT driver for Mesa, written by Mark Leaming
  18  *  (mark@rsinc.com).
  19  */
  20
  21 /* $Log: ddcolors.h 1997/6/14 by Li Wei(liwei@aiar.xjtu.edu.cn)
  22  * Macros for pixel format defined
  23  */
  24
  25 /*
  26  * $Log: colors.h,v $
  27  * Revision 1.1  1999/08/19 00:55:42  jtg
  28  * Initial revision
  29  *
  30  * Revision 1.2  1999/01/03 03:08:57  brianp
  31  * Ted Jump's changes
  32  *
  33  * Revision 1.1  1999/01/03 03:08:12  brianp
  34  * Initial revision
  35  *
  36  * Revision 2.0.2  1997/4/30 15:58:00  CST by Li Wei(liwei@aiar.xjtu.edu.cn)
  37  * Add LUTs need for dithering
  38  */
  39
  40 /*
  41  * $Log: colors.h,v $
  42  * Revision 1.1  1999/08/19 00:55:42  jtg
  43  * Initial revision
  44  *
  45  * Revision 1.2  1999/01/03 03:08:57  brianp
  46  * Ted Jump's changes
  47  *
  48  * Revision 1.1  1999/01/03 03:08:12  brianp
  49  * Initial revision
  50  *
  51  * Revision 2.0.1  1997/4/29 15:52:00  CST by Li Wei(liwei@aiar.xjtu.edu.cn)
  52  * Add BGR8 Macro
  53  */
  54
  55 /*
  56  * $Log: colors.h,v $
  57  * Revision 1.1  1999/08/19 00:55:42  jtg
  58  * Initial revision
  59  *
  60  * Revision 1.2  1999/01/03 03:08:57  brianp
  61  * Ted Jump's changes
  62  *
  63  * Revision 1.1  1999/01/03 03:08:12  brianp
  64  * Initial revision
  65  *
  66  * Revision 2.0  1996/11/15 10:55:00  CST by Li Wei(liwei@aiar.xjtu.edu.cn)
  67  * Initial revision
  68  */
  69 /* Values for wmesa->pixelformat: */
  70
  71 #define PF_8A8B8G8R     3       /* 32-bit TrueColor:  8-A, 8-B, 8-G, 8-R */
  72 #define PF_8R8G8B       4       /* 32-bit TrueColor:  8-R, 8-G, 8-B */
  73 #define PF_5R6G5B       5       /* 16-bit TrueColor:  5-R, 6-G, 5-B bits */
  74 #define PF_DITHER8      6       /* Dithered RGB using a lookup table */
  75 #define PF_LOOKUP       7       /* Undithered RGB using a lookup table */
  76 #define PF_GRAYSCALE    10      /* Grayscale or StaticGray */
  77 #define PF_BADFORMAT    11
  78 #define PF_INDEX8               12
  79
  80 char ColorMap16[] = {
  81 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  82 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
  83 0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,
  84 0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,
  85 0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,
  86 0x05,0x05,0x05,0x05,0x05,0x05,0x05,0x05,
  87 0x06,0x06,0x06,0x06,0x06,0x06,0x06,0x06,
  88 0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,
  89 0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,
  90 0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x09,
  91 0x0A,0x0A,0x0A,0x0A,0x0A,0x0A,0x0A,0x0A,
  92 0x0B,0x0B,0x0B,0x0B,0x0B,0x0B,0x0B,0x0B,
  93 0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,
  94 0x0D,0x0D,0x0D,0x0D,0x0D,0x0D,0x0D,0x0D,
  95 0x0E,0x0E,0x0E,0x0E,0x0E,0x0E,0x0E,0x0E,
  96 0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,
  97 0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,
  98 0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,
  99 0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,
 100 0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,
 101 0x14,0x14,0x14,0x14,0x14,0x14,0x14,0x14,
 102 0x15,0x15,0x15,0x15,0x15,0x15,0x15,0x15,
 103 0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,
 104 0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x17,
 105 0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,
 106 0x19,0x19,0x19,0x19,0x19,0x19,0x19,0x19,
 107 0x1A,0x1A,0x1A,0x1A,0x1A,0x1A,0x1A,0x1A,
 108 0x1B,0x1B,0x1B,0x1B,0x1B,0x1B,0x1B,0x1B,
 109 0x1C,0x1C,0x1C,0x1C,0x1C,0x1C,0x1C,0x1C,
 110 0x1D,0x1D,0x1D,0x1D,0x1D,0x1D,0x1D,0x1D,
 111 0x1E,0x1E,0x1E,0x1E,0x1E,0x1E,0x1E,0x1E,
 112 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F};
 113
 114 #define BGR8(r,g,b)             (unsigned)(((BYTE)(b & 0xc0 | (g & 0xe0)>>2 | (r & 0xe0)>>5)))
 115 #ifdef DDRAW
 116 #define BGR16(r,g,b)    ((WORD)(((BYTE)(ColorMap16[b]) | ((BYTE)(g&0xfc) << 3)) | (((WORD)(BYTE)(ColorMap16[r])) << 11)))
 117 #else
 118 #define BGR16(r,g,b)    ((WORD)(((BYTE)(ColorMap16[b]) | ((BYTE)(ColorMap16[g]) << 5)) | (((WORD)(BYTE)(ColorMap16[r])) << 10)))
 119 #endif
 120 #define BGR24(r,g,b)    (unsigned long)(((DWORD)(((BYTE)(b)|((WORD)((BYTE)(g))<<8))|(((DWORD)(BYTE)(r))<<16))) << 8)
 121 #define BGR32(r,g,b)    (unsigned long)((DWORD)(((BYTE)(b)|((WORD)((BYTE)(g))<<8))|(((DWORD)(BYTE)(r))<<16)))
 122
 123
 124
 125 /*
 126  * If pixelformat==PF_8A8B8G8R:
 127  */
 128 #define PACK_8A8B8G8R( R, G, B, A )     \
 129         ( ((A) << 24) | ((B) << 16) | ((G) << 8) | (R) )
 130
 131
 132 /*
 133  * If pixelformat==PF_8R8G8B:
 134  */
 135 #define PACK_8R8G8B( R, G, B)    ( ((R) << 16) | ((G) << 8) | (B) )
 136
 137
 138 /*
 139  * If pixelformat==PF_5R6G5B:
 140  */
 141
 142
 143 #ifdef DDRAW
 144 #define PACK_5R6G5B( R, G, B) ((WORD)(((BYTE)(ColorMap16[B]) | ((BYTE)(G&0xfc) << 3)) | (((WORD)(BYTE)(ColorMap16[R])) << 11)))
 145 #else
 146 #define PACK_5R6G5B( R, G, B)   ((WORD)(((BYTE)(ColorMap16[B]) | ((BYTE)(ColorMap16[G]) << 5)) | (((WORD)(BYTE)(ColorMap16[R])) << 10)))
 147 #endif
 148 /*----------------------------------------------------------------------------
 149
 150 Division lookup tables.  These tables compute 0-255 divided by 51 and
 151 modulo 51.  These tables could approximate gamma correction.
 152
 153 */
 154
 155 char unsigned const aDividedBy51Rounded[256] =
 156 {
 157   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 158   0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 159   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 160   1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 161   2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 162   2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 163   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 164   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
 165   4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
 166   4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
 167   5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
 168 };
 169
 170 char unsigned const aDividedBy51[256] =
 171 {
 172   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 173   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 174   0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 175   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 176   1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 177   2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 178   2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 179   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 180   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
 181   4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
 182   4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5,
 183 };
 184
 185 char unsigned const aModulo51[256] =
 186 {
 187   0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
 188   20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
 189   38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0, 1, 2, 3, 4, 5, 6,
 190   7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
 191   26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
 192   44, 45, 46, 47, 48, 49, 50, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
 193   13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
 194   31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
 195   49, 50, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
 196   18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
 197   36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0, 1, 2, 3,
 198   4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
 199   23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
 200   41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0,
 201 };
 202
 203 /*----------------------------------------------------------------------------
 204
 205 Multiplication LUTs.  These compute 0-5 times 6 and 36.
 206
 207 */
 208
 209 char unsigned const aTimes6[6] =
 210 {
 211   0, 6, 12, 18, 24, 30
 212 };
 213
 214 char unsigned const aTimes36[6] =
 215 {
 216   0, 36, 72, 108, 144, 180
 217 };
 218
 219
 220 /*----------------------------------------------------------------------------
 221
 222 Dither matrices for 8 bit to 2.6 bit halftones.
 223
 224 */
 225
 226 char unsigned const aHalftone16x16[256] =
 227 {
 228   0, 44, 9, 41, 3, 46, 12, 43, 1, 44, 10, 41, 3, 46, 12, 43,
 229   34, 16, 25, 19, 37, 18, 28, 21, 35, 16, 26, 19, 37, 18, 28, 21,
 230   38, 6, 47, 3, 40, 9, 50, 6, 38, 7, 47, 4, 40, 9, 49, 6,
 231   22, 28, 13, 31, 25, 31, 15, 34, 22, 29, 13, 32, 24, 31, 15, 34,
 232   2, 46, 12, 43, 1, 45, 10, 42, 2, 45, 11, 42, 1, 45, 11, 42,
 233   37, 18, 27, 21, 35, 17, 26, 20, 36, 17, 27, 20, 36, 17, 26, 20,
 234   40, 8, 49, 5, 38, 7, 48, 4, 39, 8, 48, 5, 39, 7, 48, 4,
 235   24, 30, 15, 33, 23, 29, 13, 32, 23, 30, 14, 33, 23, 29, 14, 32,
 236   2, 46, 12, 43, 0, 44, 10, 41, 3, 47, 12, 44, 0, 44, 10, 41,
 237   37, 18, 27, 21, 35, 16, 25, 19, 37, 19, 28, 22, 35, 16, 25, 19,
 238   40, 9, 49, 5, 38, 7, 47, 4, 40, 9, 50, 6, 38, 6, 47, 3,
 239   24, 30, 15, 34, 22, 29, 13, 32, 25, 31, 15, 34, 22, 28, 13, 31,
 240   1, 45, 11, 42, 2, 46, 11, 42, 1, 45, 10, 41, 2, 46, 11, 43,
 241   36, 17, 26, 20, 36, 17, 27, 21, 35, 16, 26, 20, 36, 18, 27, 21,
 242   39, 8, 48, 4, 39, 8, 49, 5, 38, 7, 48, 4, 39, 8, 49, 5,
 243   23, 29, 14, 33, 24, 30, 14, 33, 23, 29, 13, 32, 24, 30, 14, 33,
 244 };
 245
 246 char unsigned const aHalftone8x8[64] =
 247 {
 248    0, 38,  9, 47,  2, 40, 11, 50,
 249   25, 12, 35, 22, 27, 15, 37, 24,
 250    6, 44,  3, 41,  8, 47,  5, 43,
 251   31, 19, 28, 15, 34, 21, 31, 18,
 252    1, 39, 11, 49,  0, 39, 10, 48,
 253   27, 14, 36, 23, 26, 13, 35, 23,
 254    7, 46,  4, 43,  7, 45,  3, 42,
 255   33, 20, 30, 17, 32, 19, 29, 16,
 256 };
 257
 258 char unsigned const aHalftone4x4_1[16] =
 259 {
 260   0, 25, 6, 31,
 261   38, 12, 44, 19,
 262   9, 35, 3, 28,
 263   47, 22, 41, 15
 264 };
 265
 266 char unsigned const aHalftone4x4_2[16] =
 267 {
 268   41, 3, 9, 28,
 269   35, 15, 22, 47,
 270   6, 25, 38, 0,
 271   19, 44, 31, 12
 272 };
 273
 274 /***************************************************************************
 275   aWinGHalftoneTranslation
 276
 277   Translates a 2.6 bit-per-pixel halftoned representation into the
 278   slightly rearranged WinG Halftone Palette.
 279 */
 280
 281 char unsigned const aWinGHalftoneTranslation[216] =
 282 {
 283   0,
 284   29,
 285   30,
 286   31,
 287   32,
 288   249,
 289   33,
 290   34,
 291   35,
 292   36,
 293   37,
 294   38,
 295   39,
 296   40,
 297   41,
 298   42,
 299   43,
 300   44,
 301   45,
 302   46,
 303   47,
 304   48,
 305   49,
 306   50,
 307   51,
 308   52,
 309   53,
 310   54,
 311   55,
 312   56,
 313   250,
 314   250,
 315   57,
 316   58,
 317   59,
 318   251,
 319   60,
 320   61,
 321   62,
 322   63,
 323   64,
 324   65,
 325   66,
 326   67,
 327   68,
 328   69,
 329   70,
 330   71,
 331   72,
 332   73,
 333   74,
 334   75,
 335   76,
 336   77,
 337   78,
 338   79,
 339   80,
 340   81,
 341   82,
 342   83,
 343   84,
 344   85,
 345   86,
 346   87,
 347   88,
 348   89,
 349   250,
 350   90,
 351   91,
 352   92,
 353   93,
 354   94,
 355   95,
 356   96,
 357   97,
 358   98,
 359   99,
 360   100,
 361   101,
 362   102,
 363   103,
 364   104,
 365   105,
 366   106,
 367   107,
 368   108,
 369   109,
 370   110,
 371   111,
 372   227,
 373   112,
 374   113,
 375   114,
 376   115,
 377   116,
 378   117,
 379   118,
 380   119,
 381   151,
 382   120,
 383   121,
 384   122,
 385   123,
 386   124,
 387   228,
 388   125,
 389   126,
 390   229,
 391   133,
 392   162,
 393   135,
 394   131,
 395   132,
 396   137,
 397   166,
 398   134,
 399   140,
 400   130,
 401   136,
 402   143,
 403   138,
 404   139,
 405   174,
 406   141,
 407   142,
 408   177,
 409   129,
 410   144,
 411   145,
 412   146,
 413   147,
 414   148,
 415   149,
 416   150,
 417   157,
 418   152,
 419   153,
 420   154,
 421   155,
 422   156,
 423   192,
 424   158,
 425   159,
 426   160,
 427   161,
 428   196,
 429   163,
 430   164,
 431   165,
 432   127,
 433   199,
 434   167,
 435   168,
 436   169,
 437   170,
 438   171,
 439   172,
 440   173,
 441   207,
 442   175,
 443   176,
 444   210,
 445   178,
 446   179,
 447   180,
 448   181,
 449   182,
 450   183,
 451   184,
 452   185,
 453   186,
 454   187,
 455   188,
 456   189,
 457   190,
 458   191,
 459   224,
 460   193,
 461   194,
 462   195,
 463   252,
 464   252,
 465   197,
 466   198,
 467   128,
 468   253,
 469   252,
 470   200,
 471   201,
 472   202,
 473   203,
 474   204,
 475   205,
 476   206,
 477   230,
 478   208,
 479   209,
 480   231,
 481   211,
 482   212,
 483   213,
 484   214,
 485   215,
 486   216,
 487   217,
 488   218,
 489   219,
 490   220,
 491   221,
 492   222,
 493   254,
 494   223,
 495   232,
 496   225,
 497   226,
 498   255,
 499 };