src/mesa/drivers/windows/gldirect/mesasw/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 /*
  22  * Macros for pixel format defined
  23  */
  24
  25 /*
  26  * Revision 1.1  2004/04/20 11:13:11  alanh
  27  * add SciTech's GLDirect driver for Windows.
  28  *
  29  * This code is donated to Mesa which allows the usage of
  30  * a Direct3D layer (DX7, DX8, DX9 or complete software fallback).
  31  *
  32  * No build system exists for this code yet, that will come.....
  33  *
  34  * Revision 1.1.1.1  1999/08/19 00:55:42  jtg
  35  * Imported sources
  36  *
  37  * Revision 1.2  1999/01/03 03:08:57  brianp
  38  * Ted Jump's changes
  39  *
  40  * Revision 1.1  1999/01/03 03:08:12  brianp
  41  * Initial revision
  42  *
  43  * Revision 2.0.2  1997/4/30 15:58:00  CST by Li Wei(liwei@aiar.xjtu.edu.cn)
  44  * Add LUTs need for dithering
  45  */
  46
  47 /*
  48  * Revision 1.1  2004/04/20 11:13:11  alanh
  49  * add SciTech's GLDirect driver for Windows.
  50  *
  51  * This code is donated to Mesa which allows the usage of
  52  * a Direct3D layer (DX7, DX8, DX9 or complete software fallback).
  53  *
  54  * No build system exists for this code yet, that will come.....
  55  *
  56  * Revision 1.1.1.1  1999/08/19 00:55:42  jtg
  57  * Imported sources
  58  *
  59  * Revision 1.2  1999/01/03 03:08:57  brianp
  60  * Ted Jump's changes
  61  *
  62  * Revision 1.1  1999/01/03 03:08:12  brianp
  63  * Initial revision
  64  *
  65  * Revision 2.0.1  1997/4/29 15:52:00  CST by Li Wei(liwei@aiar.xjtu.edu.cn)
  66  * Add BGR8 Macro
  67  */
  68
  69 /*
  70  * Revision 1.1  2004/04/20 11:13:11  alanh
  71  * add SciTech's GLDirect driver for Windows.
  72  *
  73  * This code is donated to Mesa which allows the usage of
  74  * a Direct3D layer (DX7, DX8, DX9 or complete software fallback).
  75  *
  76  * No build system exists for this code yet, that will come.....
  77  *
  78  * Revision 1.1.1.1  1999/08/19 00:55:42  jtg
  79  * Imported sources
  80  *
  81  * Revision 1.2  1999/01/03 03:08:57  brianp
  82  * Ted Jump's changes
  83  *
  84  * Revision 1.1  1999/01/03 03:08:12  brianp
  85  * Initial revision
  86  *
  87  * Revision 2.0  1996/11/15 10:55:00  CST by Li Wei(liwei@aiar.xjtu.edu.cn)
  88  * Initial revision
  89  */
  90 /* Values for wmesa->pixelformat: */
  91
  92 #define PF_8A8B8G8R     3       /* 32-bit TrueColor:  8-A, 8-B, 8-G, 8-R */
  93 #define PF_8R8G8B       4       /* 32-bit TrueColor:  8-R, 8-G, 8-B */
  94 #define PF_5R6G5B       5       /* 16-bit TrueColor:  5-R, 6-G, 5-B bits */
  95 #define PF_DITHER8      6       /* Dithered RGB using a lookup table */
  96 #define PF_LOOKUP       7       /* Undithered RGB using a lookup table */
  97 #define PF_GRAYSCALE    10      /* Grayscale or StaticGray */
  98 #define PF_BADFORMAT    11
  99 #define PF_INDEX8               12
 100
 101 char ColorMap16[] = {
 102 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 103 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
 104 0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,
 105 0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,
 106 0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,
 107 0x05,0x05,0x05,0x05,0x05,0x05,0x05,0x05,
 108 0x06,0x06,0x06,0x06,0x06,0x06,0x06,0x06,
 109 0x07,0x07,0x07,0x07,0x07,0x07,0x07,0x07,
 110 0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,
 111 0x09,0x09,0x09,0x09,0x09,0x09,0x09,0x09,
 112 0x0A,0x0A,0x0A,0x0A,0x0A,0x0A,0x0A,0x0A,
 113 0x0B,0x0B,0x0B,0x0B,0x0B,0x0B,0x0B,0x0B,
 114 0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,
 115 0x0D,0x0D,0x0D,0x0D,0x0D,0x0D,0x0D,0x0D,
 116 0x0E,0x0E,0x0E,0x0E,0x0E,0x0E,0x0E,0x0E,
 117 0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,
 118 0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,
 119 0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,
 120 0x12,0x12,0x12,0x12,0x12,0x12,0x12,0x12,
 121 0x13,0x13,0x13,0x13,0x13,0x13,0x13,0x13,
 122 0x14,0x14,0x14,0x14,0x14,0x14,0x14,0x14,
 123 0x15,0x15,0x15,0x15,0x15,0x15,0x15,0x15,
 124 0x16,0x16,0x16,0x16,0x16,0x16,0x16,0x16,
 125 0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x17,
 126 0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,
 127 0x19,0x19,0x19,0x19,0x19,0x19,0x19,0x19,
 128 0x1A,0x1A,0x1A,0x1A,0x1A,0x1A,0x1A,0x1A,
 129 0x1B,0x1B,0x1B,0x1B,0x1B,0x1B,0x1B,0x1B,
 130 0x1C,0x1C,0x1C,0x1C,0x1C,0x1C,0x1C,0x1C,
 131 0x1D,0x1D,0x1D,0x1D,0x1D,0x1D,0x1D,0x1D,
 132 0x1E,0x1E,0x1E,0x1E,0x1E,0x1E,0x1E,0x1E,
 133 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F};
 134
 135 #define BGR8(r,g,b)             (unsigned)(((BYTE)(b & 0xc0 | (g & 0xe0)>>2 | (r & 0xe0)>>5)))
 136 #ifdef DDRAW
 137 #define BGR16(r,g,b)    ((WORD)(((BYTE)(ColorMap16[b]) | ((BYTE)(g&0xfc) << 3)) | (((WORD)(BYTE)(ColorMap16[r])) << 11)))
 138 #else
 139 #define BGR16(r,g,b)    ((WORD)(((BYTE)(ColorMap16[b]) | ((BYTE)(ColorMap16[g]) << 5)) | (((WORD)(BYTE)(ColorMap16[r])) << 10)))
 140 #endif
 141 #define BGR24(r,g,b)    (unsigned long)(((DWORD)(((BYTE)(b)|((WORD)((BYTE)(g))<<8))|(((DWORD)(BYTE)(r))<<16))) << 8)
 142 #define BGR32(r,g,b)    (unsigned long)((DWORD)(((BYTE)(b)|((WORD)((BYTE)(g))<<8))|(((DWORD)(BYTE)(r))<<16)))
 143
 144
 145
 146 /*
 147  * If pixelformat==PF_8A8B8G8R:
 148  */
 149 #define PACK_8A8B8G8R( R, G, B, A )     \
 150         ( ((A) << 24) | ((B) << 16) | ((G) << 8) | (R) )
 151
 152
 153 /*
 154  * If pixelformat==PF_8R8G8B:
 155  */
 156 #define PACK_8R8G8B( R, G, B)    ( ((R) << 16) | ((G) << 8) | (B) )
 157
 158
 159 /*
 160  * If pixelformat==PF_5R6G5B:
 161  */
 162
 163
 164 #ifdef DDRAW
 165 #define PACK_5R6G5B( R, G, B) ((WORD)(((BYTE)(ColorMap16[B]) | ((BYTE)(G&0xfc) << 3)) | (((WORD)(BYTE)(ColorMap16[R])) << 11)))
 166 #else
 167 #define PACK_5R6G5B( R, G, B)   ((WORD)(((BYTE)(ColorMap16[B]) | ((BYTE)(ColorMap16[G]) << 5)) | (((WORD)(BYTE)(ColorMap16[R])) << 10)))
 168 #endif
 169 /*----------------------------------------------------------------------------
 170
 171 Division lookup tables.  These tables compute 0-255 divided by 51 and
 172 modulo 51.  These tables could approximate gamma correction.
 173
 174 */
 175
 176 char unsigned const aDividedBy51Rounded[256] =
 177 {
 178   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 179   0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 180   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 181   1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 182   2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 183   2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 184   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 185   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
 186   4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
 187   4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
 188   5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
 189 };
 190
 191 char unsigned const aDividedBy51[256] =
 192 {
 193   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 194   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 195   0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 196   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 197   1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 198   2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 199   2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 200   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 201   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
 202   4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
 203   4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5,
 204 };
 205
 206 char unsigned const aModulo51[256] =
 207 {
 208   0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
 209   20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
 210   38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0, 1, 2, 3, 4, 5, 6,
 211   7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
 212   26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
 213   44, 45, 46, 47, 48, 49, 50, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
 214   13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
 215   31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
 216   49, 50, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
 217   18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
 218   36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0, 1, 2, 3,
 219   4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
 220   23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
 221   41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 0,
 222 };
 223
 224 /*----------------------------------------------------------------------------
 225
 226 Multiplication LUTs.  These compute 0-5 times 6 and 36.
 227
 228 */
 229
 230 char unsigned const aTimes6[6] =
 231 {
 232   0, 6, 12, 18, 24, 30
 233 };
 234
 235 char unsigned const aTimes36[6] =
 236 {
 237   0, 36, 72, 108, 144, 180
 238 };
 239
 240
 241 /*----------------------------------------------------------------------------
 242
 243 Dither matrices for 8 bit to 2.6 bit halftones.
 244
 245 */
 246
 247 char unsigned const aHalftone16x16[256] =
 248 {
 249   0, 44, 9, 41, 3, 46, 12, 43, 1, 44, 10, 41, 3, 46, 12, 43,
 250   34, 16, 25, 19, 37, 18, 28, 21, 35, 16, 26, 19, 37, 18, 28, 21,
 251   38, 6, 47, 3, 40, 9, 50, 6, 38, 7, 47, 4, 40, 9, 49, 6,
 252   22, 28, 13, 31, 25, 31, 15, 34, 22, 29, 13, 32, 24, 31, 15, 34,
 253   2, 46, 12, 43, 1, 45, 10, 42, 2, 45, 11, 42, 1, 45, 11, 42,
 254   37, 18, 27, 21, 35, 17, 26, 20, 36, 17, 27, 20, 36, 17, 26, 20,
 255   40, 8, 49, 5, 38, 7, 48, 4, 39, 8, 48, 5, 39, 7, 48, 4,
 256   24, 30, 15, 33, 23, 29, 13, 32, 23, 30, 14, 33, 23, 29, 14, 32,
 257   2, 46, 12, 43, 0, 44, 10, 41, 3, 47, 12, 44, 0, 44, 10, 41,
 258   37, 18, 27, 21, 35, 16, 25, 19, 37, 19, 28, 22, 35, 16, 25, 19,
 259   40, 9, 49, 5, 38, 7, 47, 4, 40, 9, 50, 6, 38, 6, 47, 3,
 260   24, 30, 15, 34, 22, 29, 13, 32, 25, 31, 15, 34, 22, 28, 13, 31,
 261   1, 45, 11, 42, 2, 46, 11, 42, 1, 45, 10, 41, 2, 46, 11, 43,
 262   36, 17, 26, 20, 36, 17, 27, 21, 35, 16, 26, 20, 36, 18, 27, 21,
 263   39, 8, 48, 4, 39, 8, 49, 5, 38, 7, 48, 4, 39, 8, 49, 5,
 264   23, 29, 14, 33, 24, 30, 14, 33, 23, 29, 13, 32, 24, 30, 14, 33,
 265 };
 266
 267 char unsigned const aHalftone8x8[64] =
 268 {
 269    0, 38,  9, 47,  2, 40, 11, 50,
 270   25, 12, 35, 22, 27, 15, 37, 24,
 271    6, 44,  3, 41,  8, 47,  5, 43,
 272   31, 19, 28, 15, 34, 21, 31, 18,
 273    1, 39, 11, 49,  0, 39, 10, 48,
 274   27, 14, 36, 23, 26, 13, 35, 23,
 275    7, 46,  4, 43,  7, 45,  3, 42,
 276   33, 20, 30, 17, 32, 19, 29, 16,
 277 };
 278
 279 char unsigned const aHalftone4x4_1[16] =
 280 {
 281   0, 25, 6, 31,
 282   38, 12, 44, 19,
 283   9, 35, 3, 28,
 284   47, 22, 41, 15
 285 };
 286
 287 char unsigned const aHalftone4x4_2[16] =
 288 {
 289   41, 3, 9, 28,
 290   35, 15, 22, 47,
 291   6, 25, 38, 0,
 292   19, 44, 31, 12
 293 };
 294
 295 /***************************************************************************
 296   aWinGHalftoneTranslation
 297
 298   Translates a 2.6 bit-per-pixel halftoned representation into the
 299   slightly rearranged WinG Halftone Palette.
 300 */
 301
 302 char unsigned const aWinGHalftoneTranslation[216] =
 303 {
 304   0,
 305   29,
 306   30,
 307   31,
 308   32,
 309   249,
 310   33,
 311   34,
 312   35,
 313   36,
 314   37,
 315   38,
 316   39,
 317   40,
 318   41,
 319   42,
 320   43,
 321   44,
 322   45,
 323   46,
 324   47,
 325   48,
 326   49,
 327   50,
 328   51,
 329   52,
 330   53,
 331   54,
 332   55,
 333   56,
 334   250,
 335   250,
 336   57,
 337   58,
 338   59,
 339   251,
 340   60,
 341   61,
 342   62,
 343   63,
 344   64,
 345   65,
 346   66,
 347   67,
 348   68,
 349   69,
 350   70,
 351   71,
 352   72,
 353   73,
 354   74,
 355   75,
 356   76,
 357   77,
 358   78,
 359   79,
 360   80,
 361   81,
 362   82,
 363   83,
 364   84,
 365   85,
 366   86,
 367   87,
 368   88,
 369   89,
 370   250,
 371   90,
 372   91,
 373   92,
 374   93,
 375   94,
 376   95,
 377   96,
 378   97,
 379   98,
 380   99,
 381   100,
 382   101,
 383   102,
 384   103,
 385   104,
 386   105,
 387   106,
 388   107,
 389   108,
 390   109,
 391   110,
 392   111,
 393   227,
 394   112,
 395   113,
 396   114,
 397   115,
 398   116,
 399   117,
 400   118,
 401   119,
 402   151,
 403   120,
 404   121,
 405   122,
 406   123,
 407   124,
 408   228,
 409   125,
 410   126,
 411   229,
 412   133,
 413   162,
 414   135,
 415   131,
 416   132,
 417   137,
 418   166,
 419   134,
 420   140,
 421   130,
 422   136,
 423   143,
 424   138,
 425   139,
 426   174,
 427   141,
 428   142,
 429   177,
 430   129,
 431   144,
 432   145,
 433   146,
 434   147,
 435   148,
 436   149,
 437   150,
 438   157,
 439   152,
 440   153,
 441   154,
 442   155,
 443   156,
 444   192,
 445   158,
 446   159,
 447   160,
 448   161,
 449   196,
 450   163,
 451   164,
 452   165,
 453   127,
 454   199,
 455   167,
 456   168,
 457   169,
 458   170,
 459   171,
 460   172,
 461   173,
 462   207,
 463   175,
 464   176,
 465   210,
 466   178,
 467   179,
 468   180,
 469   181,
 470   182,
 471   183,
 472   184,
 473   185,
 474   186,
 475   187,
 476   188,
 477   189,
 478   190,
 479   191,
 480   224,
 481   193,
 482   194,
 483   195,
 484   252,
 485   252,
 486   197,
 487   198,
 488   128,
 489   253,
 490   252,
 491   200,
 492   201,
 493   202,
 494   203,
 495   204,
 496   205,
 497   206,
 498   230,
 499   208,
 500   209,
 501   231,
 502   211,
 503   212,
 504   213,
 505   214,
 506   215,
 507   216,
 508   217,
 509   218,
 510   219,
 511   220,
 512   221,
 513   222,
 514   254,
 515   223,
 516   232,
 517   225,
 518   226,
 519   255,
 520 };