fb/fb.h

   1 /*
   2  *
   3  * Copyright © 1998 Keith Packard
   4  *
   5  * Permission to use, copy, modify, distribute, and sell this software and its
   6  * documentation for any purpose is hereby granted without fee, provided that
   7  * the above copyright notice appear in all copies and that both that
   8  * copyright notice and this permission notice appear in supporting
   9  * documentation, and that the name of Keith Packard not be used in
  10  * advertising or publicity pertaining to distribution of the software without
  11  * specific, written prior permission.  Keith Packard makes no
  12  * representations about the suitability of this software for any purpose.  It
  13  * is provided "as is" without express or implied warranty.
  14  *
  15  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  16  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  17  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  18  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  19  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  20  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  21  * PERFORMANCE OF THIS SOFTWARE.
  22  */
  23
  24 #ifndef _FB_H_
  25 #define _FB_H_
  26
  27 #include <X11/X.h>
  28 #include <pixman.h>
  29
  30 #include "scrnintstr.h"
  31 #include "pixmap.h"
  32 #include "pixmapstr.h"
  33 #include "region.h"
  34 #include "gcstruct.h"
  35 #include "colormap.h"
  36 #include "miscstruct.h"
  37 #include "servermd.h"
  38 #include "windowstr.h"
  39 #include "privates.h"
  40 #include "mi.h"
  41 #include "migc.h"
  42 #include "picturestr.h"
  43
  44 #ifdef FB_ACCESS_WRAPPER
  45
  46 #include "wfbrename.h"
  47 #define FBPREFIX(x) wfb##x
  48 #define WRITE(ptr, val) ((*wfbWriteMemory)((ptr), (val), sizeof(*(ptr))))
  49 #define READ(ptr) ((*wfbReadMemory)((ptr), sizeof(*(ptr))))
  50
  51 #define MEMCPY_WRAPPED(dst, src, size) do {                       \
  52     size_t _i;                                                    \
  53     CARD8 *_dst = (CARD8*)(dst), *_src = (CARD8*)(src);           \
  54     for(_i = 0; _i < size; _i++) {                                \
  55         WRITE(_dst +_i, READ(_src + _i));                         \
  56     }                                                             \
  57 } while(0)
  58
  59 #define MEMSET_WRAPPED(dst, val, size) do {                       \
  60     size_t _i;                                                    \
  61     CARD8 *_dst = (CARD8*)(dst);                                  \
  62     for(_i = 0; _i < size; _i++) {                                \
  63         WRITE(_dst +_i, (val));                                   \
  64     }                                                             \
  65 } while(0)
  66
  67 #else
  68
  69 #define FBPREFIX(x) fb##x
  70 #define WRITE(ptr, val) (*(ptr) = (val))
  71 #define READ(ptr) (*(ptr))
  72 #define MEMCPY_WRAPPED(dst, src, size) memcpy((dst), (src), (size))
  73 #define MEMSET_WRAPPED(dst, val, size) memset((dst), (val), (size))
  74
  75 #endif
  76
  77 /*
  78  * This single define controls the basic size of data manipulated
  79  * by this software; it must be log2(sizeof (FbBits) * 8)
  80  */
  81
  82 #ifndef FB_SHIFT
  83 #define FB_SHIFT    LOG2_BITMAP_PAD
  84 #endif
  85
  86 #if FB_SHIFT < LOG2_BITMAP_PAD
  87 error FB_SHIFT must be >= LOG2_BITMAP_PAD
  88 #endif
  89 #define FB_UNIT     (1 << FB_SHIFT)
  90 #define FB_HALFUNIT (1 << (FB_SHIFT-1))
  91 #define FB_MASK     (FB_UNIT - 1)
  92 #define FB_ALLONES  ((FbBits) -1)
  93 #if GLYPHPADBYTES != 4
  94 #error "GLYPHPADBYTES must be 4"
  95 #endif
  96 /* for driver compat - intel UXA needs the second one at least */
  97 #define FB_24BIT
  98 #define FB_24_32BIT
  99 #define FB_STIP_SHIFT   LOG2_BITMAP_PAD
 100 #define FB_STIP_UNIT    (1 << FB_STIP_SHIFT)
 101 #define FB_STIP_MASK    (FB_STIP_UNIT - 1)
 102 #define FB_STIP_ALLONES ((FbStip) -1)
 103 #define FB_STIP_ODDSTRIDE(s)    (((s) & (FB_MASK >> FB_STIP_SHIFT)) != 0)
 104 #define FB_STIP_ODDPTR(p)       ((((long) (p)) & (FB_MASK >> 3)) != 0)
 105 #define FbStipStrideToBitsStride(s) (((s) >> (FB_SHIFT - FB_STIP_SHIFT)))
 106 #define FbBitsStrideToStipStride(s) (((s) << (FB_SHIFT - FB_STIP_SHIFT)))
 107 #define FbFullMask(n)   ((n) == FB_UNIT ? FB_ALLONES : ((((FbBits) 1) << n) - 1))
 108 #if FB_SHIFT == 6
 109 #ifdef WIN32
 110 typedef unsigned __int64 FbBits;
 111 #else
 112 #if defined(__alpha__) || defined(__alpha) || \
 113       defined(ia64) || defined(__ia64__) || \
 114       defined(__sparc64__) || defined(_LP64) || \
 115       defined(__s390x__) || \
 116       defined(amd64) || defined (__amd64__) || \
 117       defined (__powerpc64__)
 118 typedef unsigned long FbBits;
 119 #else
 120 typedef unsigned long long FbBits;
 121 #endif
 122 #endif
 123 #endif
 124
 125 #if FB_SHIFT == 5
 126 typedef CARD32 FbBits;
 127 #endif
 128
 129 #if FB_SHIFT == 4
 130 typedef CARD16 FbBits;
 131 #endif
 132
 133 #if LOG2_BITMAP_PAD == FB_SHIFT
 134 typedef FbBits FbStip;
 135 #else
 136 #if LOG2_BITMAP_PAD == 5
 137 typedef CARD32 FbStip;
 138 #endif
 139 #endif
 140
 141 typedef int FbStride;
 142
 143 #ifdef FB_DEBUG
 144 extern _X_EXPORT void fbValidateDrawable(DrawablePtr d);
 145 extern _X_EXPORT void fbInitializeDrawable(DrawablePtr d);
 146 extern _X_EXPORT void fbSetBits(FbStip * bits, int stride, FbStip data);
 147
 148 #define FB_HEAD_BITS   (FbStip) (0xbaadf00d)
 149 #define FB_TAIL_BITS   (FbStip) (0xbaddf0ad)
 150 #else
 151 #define fbValidateDrawable(d)
 152 #define fdInitializeDrawable(d)
 153 #endif
 154
 155 #include "fbrop.h"
 156
 157 #if BITMAP_BIT_ORDER == LSBFirst
 158 #define FbScrLeft(x,n)  ((x) >> (n))
 159 #define FbScrRight(x,n) ((x) << (n))
 160 /* #define FbLeftBits(x,n)      ((x) & ((((FbBits) 1) << (n)) - 1)) */
 161 #define FbLeftStipBits(x,n) ((x) & ((((FbStip) 1) << (n)) - 1))
 162 #define FbStipMoveLsb(x,s,n)    (FbStipRight (x,(s)-(n)))
 163 #define FbPatternOffsetBits     0
 164 #else
 165 #define FbScrLeft(x,n)  ((x) << (n))
 166 #define FbScrRight(x,n) ((x) >> (n))
 167 /* #define FbLeftBits(x,n)      ((x) >> (FB_UNIT - (n))) */
 168 #define FbLeftStipBits(x,n) ((x) >> (FB_STIP_UNIT - (n)))
 169 #define FbStipMoveLsb(x,s,n)    (x)
 170 #define FbPatternOffsetBits     (sizeof (FbBits) - 1)
 171 #endif
 172
 173 #include "micoord.h"
 174
 175 #define FbStipLeft(x,n) FbScrLeft(x,n)
 176 #define FbStipRight(x,n) FbScrRight(x,n)
 177
 178 #define FbRotLeft(x,n)  FbScrLeft(x,n) | (n ? FbScrRight(x,FB_UNIT-n) : 0)
 179 #define FbRotRight(x,n) FbScrRight(x,n) | (n ? FbScrLeft(x,FB_UNIT-n) : 0)
 180
 181 #define FbRotStipLeft(x,n)  FbStipLeft(x,n) | (n ? FbStipRight(x,FB_STIP_UNIT-n) : 0)
 182 #define FbRotStipRight(x,n)  FbStipRight(x,n) | (n ? FbStipLeft(x,FB_STIP_UNIT-n) : 0)
 183
 184 #define FbLeftMask(x)       ( ((x) & FB_MASK) ? \
 185                              FbScrRight(FB_ALLONES,(x) & FB_MASK) : 0)
 186 #define FbRightMask(x)      ( ((FB_UNIT - (x)) & FB_MASK) ? \
 187                              FbScrLeft(FB_ALLONES,(FB_UNIT - (x)) & FB_MASK) : 0)
 188
 189 #define FbLeftStipMask(x)   ( ((x) & FB_STIP_MASK) ? \
 190                              FbStipRight(FB_STIP_ALLONES,(x) & FB_STIP_MASK) : 0)
 191 #define FbRightStipMask(x)  ( ((FB_STIP_UNIT - (x)) & FB_STIP_MASK) ? \
 192                              FbScrLeft(FB_STIP_ALLONES,(FB_STIP_UNIT - (x)) & FB_STIP_MASK) : 0)
 193
 194 #define FbBitsMask(x,w) (FbScrRight(FB_ALLONES,(x) & FB_MASK) & \
 195                          FbScrLeft(FB_ALLONES,(FB_UNIT - ((x) + (w))) & FB_MASK))
 196
 197 #define FbStipMask(x,w) (FbStipRight(FB_STIP_ALLONES,(x) & FB_STIP_MASK) & \
 198                          FbStipLeft(FB_STIP_ALLONES,(FB_STIP_UNIT - ((x)+(w))) & FB_STIP_MASK))
 199
 200 #define FbMaskBits(x,w,l,n,r) { \
 201     n = (w); \
 202     r = FbRightMask((x)+n); \
 203     l = FbLeftMask(x); \
 204     if (l) { \
 205         n -= FB_UNIT - ((x) & FB_MASK); \
 206         if (n < 0) { \
 207             n = 0; \
 208             l &= r; \
 209             r = 0; \
 210         } \
 211     } \
 212     n >>= FB_SHIFT; \
 213 }
 214
 215 #define FbByteMaskInvalid   0x10
 216
 217 #define FbPatternOffset(o,t)  ((o) ^ (FbPatternOffsetBits & ~(sizeof (t) - 1)))
 218
 219 #define FbPtrOffset(p,o,t)              ((t *) ((CARD8 *) (p) + (o)))
 220 #define FbSelectPatternPart(xor,o,t)    ((xor) >> (FbPatternOffset (o,t) << 3))
 221 #define FbStorePart(dst,off,t,xor)      (WRITE(FbPtrOffset(dst,off,t), \
 222                                          FbSelectPart(xor,off,t)))
 223 #ifndef FbSelectPart
 224 #define FbSelectPart(x,o,t) FbSelectPatternPart(x,o,t)
 225 #endif
 226
 227 #define FbMaskBitsBytes(x,w,copy,l,lb,n,r,rb) { \
 228     n = (w); \
 229     lb = 0; \
 230     rb = 0; \
 231     r = FbRightMask((x)+n); \
 232     if (r) { \
 233         /* compute right byte length */ \
 234         if ((copy) && (((x) + n) & 7) == 0) { \
 235             rb = (((x) + n) & FB_MASK) >> 3; \
 236         } else { \
 237             rb = FbByteMaskInvalid; \
 238         } \
 239     } \
 240     l = FbLeftMask(x); \
 241     if (l) { \
 242         /* compute left byte length */ \
 243         if ((copy) && ((x) & 7) == 0) { \
 244             lb = ((x) & FB_MASK) >> 3; \
 245         } else { \
 246             lb = FbByteMaskInvalid; \
 247         } \
 248         /* subtract out the portion painted by leftMask */ \
 249         n -= FB_UNIT - ((x) & FB_MASK); \
 250         if (n < 0) { \
 251             if (lb != FbByteMaskInvalid) { \
 252                 if (rb == FbByteMaskInvalid) { \
 253                     lb = FbByteMaskInvalid; \
 254                 } else if (rb) { \
 255                     lb |= (rb - lb) << (FB_SHIFT - 3); \
 256                     rb = 0; \
 257                 } \
 258             } \
 259             n = 0; \
 260             l &= r; \
 261             r = 0; \
 262         }\
 263     } \
 264     n >>= FB_SHIFT; \
 265 }
 266
 267 #if FB_SHIFT == 6
 268 #define FbDoLeftMaskByteRRop6Cases(dst,xor) \
 269     case (sizeof (FbBits) - 7) | (1 << (FB_SHIFT - 3)): \
 270         FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
 271         break; \
 272     case (sizeof (FbBits) - 7) | (2 << (FB_SHIFT - 3)): \
 273         FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
 274         FbStorePart(dst,sizeof (FbBits) - 6,CARD8,xor); \
 275         break; \
 276     case (sizeof (FbBits) - 7) | (3 << (FB_SHIFT - 3)): \
 277         FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
 278         FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
 279         break; \
 280     case (sizeof (FbBits) - 7) | (4 << (FB_SHIFT - 3)): \
 281         FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
 282         FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
 283         FbStorePart(dst,sizeof (FbBits) - 4,CARD8,xor); \
 284         break; \
 285     case (sizeof (FbBits) - 7) | (5 << (FB_SHIFT - 3)): \
 286         FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
 287         FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
 288         FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
 289         break; \
 290     case (sizeof (FbBits) - 7) | (6 << (FB_SHIFT - 3)): \
 291         FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
 292         FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
 293         FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
 294         FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
 295         break; \
 296     case (sizeof (FbBits) - 7): \
 297         FbStorePart(dst,sizeof (FbBits) - 7,CARD8,xor); \
 298         FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
 299         FbStorePart(dst,sizeof (FbBits) - 4,CARD32,xor); \
 300         break; \
 301     case (sizeof (FbBits) - 6) | (1 << (FB_SHIFT - 3)): \
 302         FbStorePart(dst,sizeof (FbBits) - 6,CARD8,xor); \
 303         break; \
 304     case (sizeof (FbBits) - 6) | (2 << (FB_SHIFT - 3)): \
 305         FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
 306         break; \
 307     case (sizeof (FbBits) - 6) | (3 << (FB_SHIFT - 3)): \
 308         FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
 309         FbStorePart(dst,sizeof (FbBits) - 4,CARD8,xor); \
 310         break; \
 311     case (sizeof (FbBits) - 6) | (4 << (FB_SHIFT - 3)): \
 312         FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
 313         FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
 314         break; \
 315     case (sizeof (FbBits) - 6) | (5 << (FB_SHIFT - 3)): \
 316         FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
 317         FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
 318         FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
 319         break; \
 320     case (sizeof (FbBits) - 6): \
 321         FbStorePart(dst,sizeof (FbBits) - 6,CARD16,xor); \
 322         FbStorePart(dst,sizeof (FbBits) - 4,CARD32,xor); \
 323         break; \
 324     case (sizeof (FbBits) - 5) | (1 << (FB_SHIFT - 3)): \
 325         FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
 326         break; \
 327     case (sizeof (FbBits) - 5) | (2 << (FB_SHIFT - 3)): \
 328         FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
 329         FbStorePart(dst,sizeof (FbBits) - 4,CARD8,xor); \
 330         break; \
 331     case (sizeof (FbBits) - 5) | (3 << (FB_SHIFT - 3)): \
 332         FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
 333         FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
 334         break; \
 335     case (sizeof (FbBits) - 5) | (4 << (FB_SHIFT - 3)): \
 336         FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
 337         FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
 338         FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
 339         break; \
 340     case (sizeof (FbBits) - 5): \
 341         FbStorePart(dst,sizeof (FbBits) - 5,CARD8,xor); \
 342         FbStorePart(dst,sizeof (FbBits) - 4,CARD32,xor); \
 343         break; \
 344     case (sizeof (FbBits) - 4) | (1 << (FB_SHIFT - 3)): \
 345         FbStorePart(dst,sizeof (FbBits) - 4,CARD8,xor); \
 346         break; \
 347     case (sizeof (FbBits) - 4) | (2 << (FB_SHIFT - 3)): \
 348         FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
 349         break; \
 350     case (sizeof (FbBits) - 4) | (3 << (FB_SHIFT - 3)): \
 351         FbStorePart(dst,sizeof (FbBits) - 4,CARD16,xor); \
 352         FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
 353         break; \
 354     case (sizeof (FbBits) - 4): \
 355         FbStorePart(dst,sizeof (FbBits) - 4,CARD32,xor); \
 356         break;
 357
 358 #define FbDoRightMaskByteRRop6Cases(dst,xor) \
 359     case 4: \
 360         FbStorePart(dst,0,CARD32,xor); \
 361         break; \
 362     case 5: \
 363         FbStorePart(dst,0,CARD32,xor); \
 364         FbStorePart(dst,4,CARD8,xor); \
 365         break; \
 366     case 6: \
 367         FbStorePart(dst,0,CARD32,xor); \
 368         FbStorePart(dst,4,CARD16,xor); \
 369         break; \
 370     case 7: \
 371         FbStorePart(dst,0,CARD32,xor); \
 372         FbStorePart(dst,4,CARD16,xor); \
 373         FbStorePart(dst,6,CARD8,xor); \
 374         break;
 375 #else
 376 #define FbDoLeftMaskByteRRop6Cases(dst,xor)
 377 #define FbDoRightMaskByteRRop6Cases(dst,xor)
 378 #endif
 379
 380 #define FbDoLeftMaskByteRRop(dst,lb,l,and,xor) { \
 381     switch (lb) { \
 382     FbDoLeftMaskByteRRop6Cases(dst,xor) \
 383     case (sizeof (FbBits) - 3) | (1 << (FB_SHIFT - 3)): \
 384         FbStorePart(dst,sizeof (FbBits) - 3,CARD8,xor); \
 385         break; \
 386     case (sizeof (FbBits) - 3) | (2 << (FB_SHIFT - 3)): \
 387         FbStorePart(dst,sizeof (FbBits) - 3,CARD8,xor); \
 388         FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
 389         break; \
 390     case (sizeof (FbBits) - 2) | (1 << (FB_SHIFT - 3)): \
 391         FbStorePart(dst,sizeof (FbBits) - 2,CARD8,xor); \
 392         break; \
 393     case sizeof (FbBits) - 3: \
 394         FbStorePart(dst,sizeof (FbBits) - 3,CARD8,xor); \
 395     case sizeof (FbBits) - 2: \
 396         FbStorePart(dst,sizeof (FbBits) - 2,CARD16,xor); \
 397         break; \
 398     case sizeof (FbBits) - 1: \
 399         FbStorePart(dst,sizeof (FbBits) - 1,CARD8,xor); \
 400         break; \
 401     default: \
 402         WRITE(dst, FbDoMaskRRop(READ(dst), and, xor, l)); \
 403         break; \
 404     } \
 405 }
 406
 407 #define FbDoRightMaskByteRRop(dst,rb,r,and,xor) { \
 408     switch (rb) { \
 409     case 1: \
 410         FbStorePart(dst,0,CARD8,xor); \
 411         break; \
 412     case 2: \
 413         FbStorePart(dst,0,CARD16,xor); \
 414         break; \
 415     case 3: \
 416         FbStorePart(dst,0,CARD16,xor); \
 417         FbStorePart(dst,2,CARD8,xor); \
 418         break; \
 419     FbDoRightMaskByteRRop6Cases(dst,xor) \
 420     default: \
 421         WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, r)); \
 422     } \
 423 }
 424
 425 #define FbMaskStip(x,w,l,n,r) { \
 426     n = (w); \
 427     r = FbRightStipMask((x)+n); \
 428     l = FbLeftStipMask(x); \
 429     if (l) { \
 430         n -= FB_STIP_UNIT - ((x) & FB_STIP_MASK); \
 431         if (n < 0) { \
 432             n = 0; \
 433             l &= r; \
 434             r = 0; \
 435         } \
 436     } \
 437     n >>= FB_STIP_SHIFT; \
 438 }
 439
 440 /*
 441  * These macros are used to transparently stipple
 442  * in copy mode; the expected usage is with 'n' constant
 443  * so all of the conditional parts collapse into a minimal
 444  * sequence of partial word writes
 445  *
 446  * 'n' is the bytemask of which bytes to store, 'a' is the address
 447  * of the FbBits base unit, 'o' is the offset within that unit
 448  *
 449  * The term "lane" comes from the hardware term "byte-lane" which
 450  */
 451
 452 #define FbLaneCase1(n,a,o)                                              \
 453     if ((n) == 0x01) {                                                  \
 454         WRITE((CARD8 *) ((a)+FbPatternOffset(o,CARD8)), fgxor);         \
 455     }
 456
 457 #define FbLaneCase2(n,a,o)                                              \
 458     if ((n) == 0x03) {                                                  \
 459         WRITE((CARD16 *) ((a)+FbPatternOffset(o,CARD16)), fgxor);       \
 460     } else {                                                            \
 461         FbLaneCase1((n)&1,a,o)                                          \
 462         FbLaneCase1((n)>>1,a,(o)+1)                                     \
 463     }
 464
 465 #define FbLaneCase4(n,a,o)                                              \
 466     if ((n) == 0x0f) {                                                  \
 467         WRITE((CARD32 *) ((a)+FbPatternOffset(o,CARD32)), fgxor);       \
 468     } else {                                                            \
 469         FbLaneCase2((n)&3,a,o)                                          \
 470         FbLaneCase2((n)>>2,a,(o)+2)                                     \
 471     }
 472
 473 #define FbLaneCase8(n,a,o)                                              \
 474     if ((n) == 0x0ff) {                                                 \
 475         *(FbBits *) ((a)+(o)) = fgxor;                                  \
 476     } else {                                                            \
 477         FbLaneCase4((n)&15,a,o)                                         \
 478         FbLaneCase4((n)>>4,a,(o)+4)                                     \
 479     }
 480
 481 #if FB_SHIFT == 6
 482 #define FbLaneCase(n,a)   FbLaneCase8(n,(CARD8 *) (a),0)
 483 #endif
 484
 485 #if FB_SHIFT == 5
 486 #define FbLaneCase(n,a)   FbLaneCase4(n,(CARD8 *) (a),0)
 487 #endif
 488
 489 /* Rotate a filled pixel value to the specified alignement */
 490 #define FbRot24(p,b)        (FbScrRight(p,b) | FbScrLeft(p,24-(b)))
 491 #define FbRot24Stip(p,b)    (FbStipRight(p,b) | FbStipLeft(p,24-(b)))
 492
 493 /* step a filled pixel value to the next/previous FB_UNIT alignment */
 494 #define FbNext24Pix(p)  (FbRot24(p,(24-FB_UNIT%24)))
 495 #define FbPrev24Pix(p)  (FbRot24(p,FB_UNIT%24))
 496 #define FbNext24Stip(p) (FbRot24(p,(24-FB_STIP_UNIT%24)))
 497 #define FbPrev24Stip(p) (FbRot24(p,FB_STIP_UNIT%24))
 498
 499 /* step a rotation value to the next/previous rotation value */
 500 #if FB_UNIT == 64
 501 #define FbNext24Rot(r)        ((r) == 16 ? 0 : (r) + 8)
 502 #define FbPrev24Rot(r)        ((r) == 0 ? 16 : (r) - 8)
 503
 504 #if IMAGE_BYTE_ORDER == MSBFirst
 505 #define FbFirst24Rot(x)         (((x) + 8) % 24)
 506 #else
 507 #define FbFirst24Rot(x)         ((x) % 24)
 508 #endif
 509
 510 #endif
 511
 512 #if FB_UNIT == 32
 513 #define FbNext24Rot(r)        ((r) == 0 ? 16 : (r) - 8)
 514 #define FbPrev24Rot(r)        ((r) == 16 ? 0 : (r) + 8)
 515
 516 #if IMAGE_BYTE_ORDER == MSBFirst
 517 #define FbFirst24Rot(x)         (((x) + 16) % 24)
 518 #else
 519 #define FbFirst24Rot(x)         ((x) % 24)
 520 #endif
 521 #endif
 522
 523 #define FbNext24RotStip(r)        ((r) == 0 ? 16 : (r) - 8)
 524 #define FbPrev24RotStip(r)        ((r) == 16 ? 0 : (r) + 8)
 525
 526 /* Whether 24-bit specific code is needed for this filled pixel value */
 527 #define FbCheck24Pix(p) ((p) == FbNext24Pix(p))
 528
 529 /* Macros for dealing with dashing */
 530
 531 #define FbDashDeclare   \
 532     unsigned char       *__dash, *__firstDash, *__lastDash
 533
 534 #define FbDashInit(pGC,pPriv,dashOffset,dashlen,even) {     \
 535     (even) = TRUE;                                          \
 536     __firstDash = (pGC)->dash;                              \
 537     __lastDash = __firstDash + (pGC)->numInDashList;        \
 538     (dashOffset) %= (pPriv)->dashLength;                    \
 539                                                             \
 540     __dash = __firstDash;                                   \
 541     while ((dashOffset) >= ((dashlen) = *__dash))           \
 542     {                                                       \
 543         (dashOffset) -= (dashlen);                          \
 544         (even) = 1-(even);                                  \
 545         if (++__dash == __lastDash)                         \
 546             __dash = __firstDash;                           \
 547     }                                                       \
 548     (dashlen) -= (dashOffset);                              \
 549 }
 550
 551 #define FbDashNext(dashlen) {                               \
 552     if (++__dash == __lastDash)                             \
 553         __dash = __firstDash;                               \
 554     (dashlen) = *__dash;                                    \
 555 }
 556
 557 /* as numInDashList is always even, this case can skip a test */
 558
 559 #define FbDashNextEven(dashlen) {                           \
 560     (dashlen) = *++__dash;                                  \
 561 }
 562
 563 #define FbDashNextOdd(dashlen)  FbDashNext(dashlen)
 564
 565 #define FbDashStep(dashlen,even) {                          \
 566     if (!--(dashlen)) {                                     \
 567         FbDashNext(dashlen);                                \
 568         (even) = 1-(even);                                  \
 569     }                                                       \
 570 }
 571
 572 extern _X_EXPORT const GCOps fbGCOps;
 573 extern _X_EXPORT const GCFuncs fbGCFuncs;
 574
 575 /* Framebuffer access wrapper */
 576 typedef FbBits(*ReadMemoryProcPtr) (const void *src, int size);
 577 typedef void (*WriteMemoryProcPtr) (void *dst, FbBits value, int size);
 578 typedef void (*SetupWrapProcPtr) (ReadMemoryProcPtr * pRead,
 579                                   WriteMemoryProcPtr * pWrite,
 580                                   DrawablePtr pDraw);
 581 typedef void (*FinishWrapProcPtr) (DrawablePtr pDraw);
 582
 583 #ifdef FB_ACCESS_WRAPPER
 584
 585 #define fbPrepareAccess(pDraw) \
 586         fbGetScreenPrivate((pDraw)->pScreen)->setupWrap( \
 587                 &wfbReadMemory, \
 588                 &wfbWriteMemory, \
 589                 (pDraw))
 590 #define fbFinishAccess(pDraw) \
 591         fbGetScreenPrivate((pDraw)->pScreen)->finishWrap(pDraw)
 592
 593 #else
 594
 595 #define fbPrepareAccess(pPix)
 596 #define fbFinishAccess(pDraw)
 597
 598 #endif
 599
 600 extern _X_EXPORT DevPrivateKey
 601 fbGetScreenPrivateKey(void);
 602
 603 /* private field of a screen */
 604 typedef struct {
 605     unsigned char win32bpp;     /* window bpp for 32-bpp images */
 606     unsigned char pix32bpp;     /* pixmap bpp for 32-bpp images */
 607 #ifdef FB_ACCESS_WRAPPER
 608     SetupWrapProcPtr setupWrap; /* driver hook to set pixmap access wrapping */
 609     FinishWrapProcPtr finishWrap;       /* driver hook to clean up pixmap access wrapping */
 610 #endif
 611     DevPrivateKeyRec    gcPrivateKeyRec;
 612     DevPrivateKeyRec    winPrivateKeyRec;
 613 } FbScreenPrivRec, *FbScreenPrivPtr;
 614
 615 #define fbGetScreenPrivate(pScreen) ((FbScreenPrivPtr) \
 616                                      dixLookupPrivate(&(pScreen)->devPrivates, fbGetScreenPrivateKey()))
 617
 618 /* private field of GC */
 619 typedef struct {
 620     FbBits and, xor;            /* reduced rop values */
 621     FbBits bgand, bgxor;        /* for stipples */
 622     FbBits fg, bg, pm;          /* expanded and filled */
 623     unsigned int dashLength;    /* total of all dash elements */
 624     unsigned char evenStipple;  /* stipple is even */
 625     unsigned char bpp;          /* current drawable bpp */
 626 } FbGCPrivRec, *FbGCPrivPtr;
 627
 628 #define fbGetGCPrivateKey(pGC)  (&fbGetScreenPrivate((pGC)->pScreen)->gcPrivateKeyRec)
 629
 630 #define fbGetGCPrivate(pGC)     ((FbGCPrivPtr)\
 631                                  dixLookupPrivate(&(pGC)->devPrivates, fbGetGCPrivateKey(pGC)))
 632
 633 #define fbGetCompositeClip(pGC) ((pGC)->pCompositeClip)
 634 #define fbGetExpose(pGC)        ((pGC)->fExpose)
 635 #define fbGetFreeCompClip(pGC)  ((pGC)->freeCompClip)
 636 #define fbGetRotatedPixmap(pGC) ((pGC)->pRotatedPixmap)
 637
 638 #define fbGetScreenPixmap(s)    ((PixmapPtr) (s)->devPrivate)
 639
 640 #define fbGetWinPrivateKey(pWin)        (&fbGetScreenPrivate(((DrawablePtr) (pWin))->pScreen)->winPrivateKeyRec)
 641
 642 #define fbGetWindowPixmap(pWin) ((PixmapPtr)\
 643                                  dixLookupPrivate(&((WindowPtr)(pWin))->devPrivates, fbGetWinPrivateKey(pWin)))
 644
 645 #ifdef ROOTLESS
 646 #define __fbPixDrawableX(pPix)  ((pPix)->drawable.x)
 647 #define __fbPixDrawableY(pPix)  ((pPix)->drawable.y)
 648 #else
 649 #define __fbPixDrawableX(pPix)  0
 650 #define __fbPixDrawableY(pPix)  0
 651 #endif
 652
 653 #ifdef COMPOSITE
 654 #define __fbPixOffXWin(pPix)    (__fbPixDrawableX(pPix) - (pPix)->screen_x)
 655 #define __fbPixOffYWin(pPix)    (__fbPixDrawableY(pPix) - (pPix)->screen_y)
 656 #else
 657 #define __fbPixOffXWin(pPix)    (__fbPixDrawableX(pPix))
 658 #define __fbPixOffYWin(pPix)    (__fbPixDrawableY(pPix))
 659 #endif
 660 #define __fbPixOffXPix(pPix)    (__fbPixDrawableX(pPix))
 661 #define __fbPixOffYPix(pPix)    (__fbPixDrawableY(pPix))
 662
 663 #define fbGetDrawablePixmap(pDrawable, pixmap, xoff, yoff) {                    \
 664     if ((pDrawable)->type != DRAWABLE_PIXMAP) {                                 \
 665         (pixmap) = fbGetWindowPixmap(pDrawable);                                \
 666         (xoff) = __fbPixOffXWin(pixmap);                                        \
 667         (yoff) = __fbPixOffYWin(pixmap);                                        \
 668     } else {                                                                    \
 669         (pixmap) = (PixmapPtr) (pDrawable);                                     \
 670         (xoff) = __fbPixOffXPix(pixmap);                                        \
 671         (yoff) = __fbPixOffYPix(pixmap);                                        \
 672     }                                                                           \
 673     fbPrepareAccess(pDrawable);                                                 \
 674 }
 675
 676 #define fbGetPixmapBitsData(pixmap, pointer, stride, bpp) {                     \
 677     (pointer) = (FbBits *) (pixmap)->devPrivate.ptr;                            \
 678     (stride) = ((int) (pixmap)->devKind) / sizeof (FbBits); (void)(stride);     \
 679     (bpp) = (pixmap)->drawable.bitsPerPixel;  (void)(bpp);                      \
 680 }
 681
 682 #define fbGetPixmapStipData(pixmap, pointer, stride, bpp) {                     \
 683     (pointer) = (FbStip *) (pixmap)->devPrivate.ptr;                            \
 684     (stride) = ((int) (pixmap)->devKind) / sizeof (FbStip); (void)(stride);     \
 685     (bpp) = (pixmap)->drawable.bitsPerPixel;  (void)(bpp);                      \
 686 }
 687
 688 #define fbGetDrawable(pDrawable, pointer, stride, bpp, xoff, yoff) {            \
 689     PixmapPtr   _pPix;                                                          \
 690     fbGetDrawablePixmap(pDrawable, _pPix, xoff, yoff);                          \
 691     fbGetPixmapBitsData(_pPix, pointer, stride, bpp);                           \
 692 }
 693
 694 #define fbGetStipDrawable(pDrawable, pointer, stride, bpp, xoff, yoff) {        \
 695     PixmapPtr   _pPix;                                                          \
 696     fbGetDrawablePixmap(pDrawable, _pPix, xoff, yoff);                          \
 697     fbGetPixmapStipData(_pPix, pointer, stride, bpp);                           \
 698 }
 699
 700 /*
 701  * XFree86 empties the root BorderClip when the VT is inactive,
 702  * here's a macro which uses that to disable GetImage and GetSpans
 703  */
 704
 705 #define fbWindowEnabled(pWin) \
 706     RegionNotEmpty(&(pWin)->drawable.pScreen->root->borderClip)
 707
 708 #define fbDrawableEnabled(pDrawable) \
 709     ((pDrawable)->type == DRAWABLE_PIXMAP ? \
 710      TRUE : fbWindowEnabled((WindowPtr) pDrawable))
 711
 712 #define FbPowerOfTwo(w)     (((w) & ((w) - 1)) == 0)
 713 /*
 714  * Accelerated tiles are power of 2 width <= FB_UNIT
 715  */
 716 #define FbEvenTile(w)       ((w) <= FB_UNIT && FbPowerOfTwo(w))
 717 /*
 718  * Accelerated stipples are power of 2 width and <= FB_UNIT/dstBpp
 719  * with dstBpp a power of 2 as well
 720  */
 721 #define FbEvenStip(w,bpp)   ((w) * (bpp) <= FB_UNIT && FbPowerOfTwo(w) && FbPowerOfTwo(bpp))
 722
 723 /*
 724  * fb24_32.c
 725  */
 726 extern _X_EXPORT void
 727
 728 fb24_32GetSpans(DrawablePtr pDrawable,
 729                 int wMax,
 730                 DDXPointPtr ppt, int *pwidth, int nspans, char *pchardstStart);
 731
 732 extern _X_EXPORT void
 733
 734 fb24_32SetSpans(DrawablePtr pDrawable,
 735                 GCPtr pGC,
 736                 char *src,
 737                 DDXPointPtr ppt, int *pwidth, int nspans, int fSorted);
 738
 739 extern _X_EXPORT void
 740
 741 fb24_32PutZImage(DrawablePtr pDrawable,
 742                  RegionPtr pClip,
 743                  int alu,
 744                  FbBits pm,
 745                  int x,
 746                  int y, int width, int height, CARD8 *src, FbStride srcStride);
 747
 748 extern _X_EXPORT void
 749
 750 fb24_32GetImage(DrawablePtr pDrawable,
 751                 int x,
 752                 int y,
 753                 int w,
 754                 int h, unsigned int format, unsigned long planeMask, char *d);
 755
 756 extern _X_EXPORT void
 757
 758 fb24_32CopyMtoN(DrawablePtr pSrcDrawable,
 759                 DrawablePtr pDstDrawable,
 760                 GCPtr pGC,
 761                 BoxPtr pbox,
 762                 int nbox,
 763                 int dx,
 764                 int dy,
 765                 Bool reverse, Bool upsidedown, Pixel bitplane, void *closure);
 766
 767 extern _X_EXPORT PixmapPtr
 768  fb24_32ReformatTile(PixmapPtr pOldTile, int bitsPerPixel);
 769
 770 extern _X_EXPORT Bool
 771  fb24_32CreateScreenResources(ScreenPtr pScreen);
 772
 773 extern _X_EXPORT Bool
 774
 775 fb24_32ModifyPixmapHeader(PixmapPtr pPixmap,
 776                           int width,
 777                           int height,
 778                           int depth,
 779                           int bitsPerPixel, int devKind, pointer pPixData);
 780
 781 /*
 782  * fballpriv.c
 783  */
 784 extern _X_EXPORT Bool
 785 fbAllocatePrivates(ScreenPtr pScreen);
 786
 787 /*
 788  * fbarc.c
 789  */
 790
 791 extern _X_EXPORT void
 792 fbPolyArc(DrawablePtr pDrawable, GCPtr pGC, int narcs, xArc * parcs);
 793
 794 /*
 795  * fbbits.c
 796  */
 797
 798 extern _X_EXPORT void
 799
 800 fbBresSolid8(DrawablePtr pDrawable,
 801              GCPtr pGC,
 802              int dashOffset,
 803              int signdx,
 804              int signdy,
 805              int axis, int x, int y, int e, int e1, int e3, int len);
 806
 807 extern _X_EXPORT void
 808
 809 fbBresDash8(DrawablePtr pDrawable,
 810             GCPtr pGC,
 811             int dashOffset,
 812             int signdx,
 813             int signdy, int axis, int x, int y, int e, int e1, int e3, int len);
 814
 815 extern _X_EXPORT void
 816
 817 fbDots8(FbBits * dst,
 818         FbStride dstStride,
 819         int dstBpp,
 820         BoxPtr pBox,
 821         xPoint * pts,
 822         int npt,
 823         int xorg, int yorg, int xoff, int yoff, FbBits and, FbBits xor);
 824
 825 extern _X_EXPORT void
 826
 827 fbArc8(FbBits * dst,
 828        FbStride dstStride,
 829        int dstBpp, xArc * arc, int dx, int dy, FbBits and, FbBits xor);
 830
 831 extern _X_EXPORT void
 832
 833 fbGlyph8(FbBits * dstLine,
 834          FbStride dstStride,
 835          int dstBpp, FbStip * stipple, FbBits fg, int height, int shift);
 836
 837 extern _X_EXPORT void
 838
 839 fbPolyline8(DrawablePtr pDrawable,
 840             GCPtr pGC, int mode, int npt, DDXPointPtr ptsOrig);
 841
 842 extern _X_EXPORT void
 843  fbPolySegment8(DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment * pseg);
 844
 845 extern _X_EXPORT void
 846
 847 fbBresSolid16(DrawablePtr pDrawable,
 848               GCPtr pGC,
 849               int dashOffset,
 850               int signdx,
 851               int signdy,
 852               int axis, int x, int y, int e, int e1, int e3, int len);
 853
 854 extern _X_EXPORT void
 855
 856 fbBresDash16(DrawablePtr pDrawable,
 857              GCPtr pGC,
 858              int dashOffset,
 859              int signdx,
 860              int signdy,
 861              int axis, int x, int y, int e, int e1, int e3, int len);
 862
 863 extern _X_EXPORT void
 864
 865 fbDots16(FbBits * dst,
 866          FbStride dstStride,
 867          int dstBpp,
 868          BoxPtr pBox,
 869          xPoint * pts,
 870          int npt,
 871          int xorg, int yorg, int xoff, int yoff, FbBits and, FbBits xor);
 872
 873 extern _X_EXPORT void
 874
 875 fbArc16(FbBits * dst,
 876         FbStride dstStride,
 877         int dstBpp, xArc * arc, int dx, int dy, FbBits and, FbBits xor);
 878
 879 extern _X_EXPORT void
 880
 881 fbGlyph16(FbBits * dstLine,
 882           FbStride dstStride,
 883           int dstBpp, FbStip * stipple, FbBits fg, int height, int shift);
 884
 885 extern _X_EXPORT void
 886
 887 fbPolyline16(DrawablePtr pDrawable,
 888              GCPtr pGC, int mode, int npt, DDXPointPtr ptsOrig);
 889
 890 extern _X_EXPORT void
 891  fbPolySegment16(DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment * pseg);
 892
 893 extern _X_EXPORT void
 894
 895 fbBresSolid24(DrawablePtr pDrawable,
 896               GCPtr pGC,
 897               int dashOffset,
 898               int signdx,
 899               int signdy,
 900               int axis, int x, int y, int e, int e1, int e3, int len);
 901
 902 extern _X_EXPORT void
 903
 904 fbBresDash24(DrawablePtr pDrawable,
 905              GCPtr pGC,
 906              int dashOffset,
 907              int signdx,
 908              int signdy,
 909              int axis, int x, int y, int e, int e1, int e3, int len);
 910
 911 extern _X_EXPORT void
 912
 913 fbDots24(FbBits * dst,
 914          FbStride dstStride,
 915          int dstBpp,
 916          BoxPtr pBox,
 917          xPoint * pts,
 918          int npt,
 919          int xorg, int yorg, int xoff, int yoff, FbBits and, FbBits xor);
 920
 921 extern _X_EXPORT void
 922
 923 fbArc24(FbBits * dst,
 924         FbStride dstStride,
 925         int dstBpp, xArc * arc, int dx, int dy, FbBits and, FbBits xor);
 926
 927 extern _X_EXPORT void
 928
 929 fbGlyph24(FbBits * dstLine,
 930           FbStride dstStride,
 931           int dstBpp, FbStip * stipple, FbBits fg, int height, int shift);
 932
 933 extern _X_EXPORT void
 934
 935 fbPolyline24(DrawablePtr pDrawable,
 936              GCPtr pGC, int mode, int npt, DDXPointPtr ptsOrig);
 937
 938 extern _X_EXPORT void
 939  fbPolySegment24(DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment * pseg);
 940
 941 extern _X_EXPORT void
 942
 943 fbBresSolid32(DrawablePtr pDrawable,
 944               GCPtr pGC,
 945               int dashOffset,
 946               int signdx,
 947               int signdy,
 948               int axis, int x, int y, int e, int e1, int e3, int len);
 949
 950 extern _X_EXPORT void
 951
 952 fbBresDash32(DrawablePtr pDrawable,
 953              GCPtr pGC,
 954              int dashOffset,
 955              int signdx,
 956              int signdy,
 957              int axis, int x, int y, int e, int e1, int e3, int len);
 958
 959 extern _X_EXPORT void
 960
 961 fbDots32(FbBits * dst,
 962          FbStride dstStride,
 963          int dstBpp,
 964          BoxPtr pBox,
 965          xPoint * pts,
 966          int npt,
 967          int xorg, int yorg, int xoff, int yoff, FbBits and, FbBits xor);
 968
 969 extern _X_EXPORT void
 970
 971 fbArc32(FbBits * dst,
 972         FbStride dstStride,
 973         int dstBpp, xArc * arc, int dx, int dy, FbBits and, FbBits xor);
 974
 975 extern _X_EXPORT void
 976
 977 fbGlyph32(FbBits * dstLine,
 978           FbStride dstStride,
 979           int dstBpp, FbStip * stipple, FbBits fg, int height, int shift);
 980 extern _X_EXPORT void
 981
 982 fbPolyline32(DrawablePtr pDrawable,
 983              GCPtr pGC, int mode, int npt, DDXPointPtr ptsOrig);
 984
 985 extern _X_EXPORT void
 986  fbPolySegment32(DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment * pseg);
 987
 988 /*
 989  * fbblt.c
 990  */
 991 extern _X_EXPORT void
 992
 993 fbBlt(FbBits * src,
 994       FbStride srcStride,
 995       int srcX,
 996       FbBits * dst,
 997       FbStride dstStride,
 998       int dstX,
 999       int width,
1000       int height, int alu, FbBits pm, int bpp, Bool reverse, Bool upsidedown);
1001
1002 extern _X_EXPORT void
1003
1004 fbBlt24(FbBits * srcLine,
1005         FbStride srcStride,
1006         int srcX,
1007         FbBits * dstLine,
1008         FbStride dstStride,
1009         int dstX,
1010         int width,
1011         int height, int alu, FbBits pm, Bool reverse, Bool upsidedown);
1012
1013 extern _X_EXPORT void
1014  fbBltStip(FbStip * src, FbStride srcStride,    /* in FbStip units, not FbBits units */
1015            int srcX, FbStip * dst, FbStride dstStride,  /* in FbStip units, not FbBits units */
1016            int dstX, int width, int height, int alu, FbBits pm, int bpp);
1017
1018 /*
1019  * fbbltone.c
1020  */
1021 extern _X_EXPORT void
1022
1023 fbBltOne(FbStip * src,
1024          FbStride srcStride,
1025          int srcX,
1026          FbBits * dst,
1027          FbStride dstStride,
1028          int dstX,
1029          int dstBpp,
1030          int width,
1031          int height, FbBits fgand, FbBits fbxor, FbBits bgand, FbBits bgxor);
1032
1033 extern _X_EXPORT void
1034  fbBltOne24(FbStip * src, FbStride srcStride,   /* FbStip units per scanline */
1035             int srcX,           /* bit position of source */
1036             FbBits * dst, FbStride dstStride,   /* FbBits units per scanline */
1037             int dstX,           /* bit position of dest */
1038             int dstBpp,         /* bits per destination unit */
1039             int width,          /* width in bits of destination */
1040             int height,         /* height in scanlines */
1041             FbBits fgand,       /* rrop values */
1042             FbBits fgxor, FbBits bgand, FbBits bgxor);
1043
1044 extern _X_EXPORT void
1045
1046 fbBltPlane(FbBits * src,
1047            FbStride srcStride,
1048            int srcX,
1049            int srcBpp,
1050            FbStip * dst,
1051            FbStride dstStride,
1052            int dstX,
1053            int width,
1054            int height,
1055            FbStip fgand,
1056            FbStip fgxor, FbStip bgand, FbStip bgxor, Pixel planeMask);
1057
1058 /*
1059  * fbcmap_mi.c
1060  */
1061 extern _X_EXPORT int
1062  fbListInstalledColormaps(ScreenPtr pScreen, Colormap * pmaps);
1063
1064 extern _X_EXPORT void
1065  fbInstallColormap(ColormapPtr pmap);
1066
1067 extern _X_EXPORT void
1068  fbUninstallColormap(ColormapPtr pmap);
1069
1070 extern _X_EXPORT void
1071
1072 fbResolveColor(unsigned short *pred,
1073                unsigned short *pgreen,
1074                unsigned short *pblue, VisualPtr pVisual);
1075
1076 extern _X_EXPORT Bool
1077  fbInitializeColormap(ColormapPtr pmap);
1078
1079 extern _X_EXPORT int
1080
1081 fbExpandDirectColors(ColormapPtr pmap,
1082                      int ndef, xColorItem * indefs, xColorItem * outdefs);
1083
1084 extern _X_EXPORT Bool
1085  fbCreateDefColormap(ScreenPtr pScreen);
1086
1087 extern _X_EXPORT void
1088  fbClearVisualTypes(void);
1089
1090 extern _X_EXPORT Bool
1091  fbHasVisualTypes(int depth);
1092
1093 extern _X_EXPORT Bool
1094  fbSetVisualTypes(int depth, int visuals, int bitsPerRGB);
1095
1096 extern _X_EXPORT Bool
1097
1098 fbSetVisualTypesAndMasks(int depth, int visuals, int bitsPerRGB,
1099                          Pixel redMask, Pixel greenMask, Pixel blueMask);
1100
1101 extern _X_EXPORT Bool
1102
1103 fbInitVisuals(VisualPtr * visualp,
1104               DepthPtr * depthp,
1105               int *nvisualp,
1106               int *ndepthp,
1107               int *rootDepthp,
1108               VisualID * defaultVisp, unsigned long sizes, int bitsPerRGB);
1109
1110 /*
1111  * fbcopy.c
1112  */
1113
1114 extern _X_EXPORT void
1115
1116 fbCopyNtoN(DrawablePtr pSrcDrawable,
1117            DrawablePtr pDstDrawable,
1118            GCPtr pGC,
1119            BoxPtr pbox,
1120            int nbox,
1121            int dx,
1122            int dy,
1123            Bool reverse, Bool upsidedown, Pixel bitplane, void *closure);
1124
1125 extern _X_EXPORT void
1126
1127 fbCopy1toN(DrawablePtr pSrcDrawable,
1128            DrawablePtr pDstDrawable,
1129            GCPtr pGC,
1130            BoxPtr pbox,
1131            int nbox,
1132            int dx,
1133            int dy,
1134            Bool reverse, Bool upsidedown, Pixel bitplane, void *closure);
1135
1136 extern _X_EXPORT void
1137
1138 fbCopyNto1(DrawablePtr pSrcDrawable,
1139            DrawablePtr pDstDrawable,
1140            GCPtr pGC,
1141            BoxPtr pbox,
1142            int nbox,
1143            int dx,
1144            int dy,
1145            Bool reverse, Bool upsidedown, Pixel bitplane, void *closure);
1146
1147 extern _X_EXPORT RegionPtr
1148
1149 fbCopyArea(DrawablePtr pSrcDrawable,
1150            DrawablePtr pDstDrawable,
1151            GCPtr pGC,
1152            int xIn, int yIn, int widthSrc, int heightSrc, int xOut, int yOut);
1153
1154 extern _X_EXPORT RegionPtr
1155
1156 fbCopyPlane(DrawablePtr pSrcDrawable,
1157             DrawablePtr pDstDrawable,
1158             GCPtr pGC,
1159             int xIn,
1160             int yIn,
1161             int widthSrc,
1162             int heightSrc, int xOut, int yOut, unsigned long bitplane);
1163
1164 /*
1165  * fbfill.c
1166  */
1167 extern _X_EXPORT void
1168  fbFill(DrawablePtr pDrawable, GCPtr pGC, int x, int y, int width, int height);
1169
1170 extern _X_EXPORT void
1171
1172 fbSolidBoxClipped(DrawablePtr pDrawable,
1173                   RegionPtr pClip,
1174                   int xa, int ya, int xb, int yb, FbBits and, FbBits xor);
1175
1176 /*
1177  * fbfillrect.c
1178  */
1179 extern _X_EXPORT void
1180
1181 fbPolyFillRect(DrawablePtr pDrawable,
1182                GCPtr pGC, int nrectInit, xRectangle *prectInit);
1183
1184 #define fbPolyFillArc miPolyFillArc
1185
1186 #define fbFillPolygon miFillPolygon
1187
1188 /*
1189  * fbfillsp.c
1190  */
1191 extern _X_EXPORT void
1192
1193 fbFillSpans(DrawablePtr pDrawable,
1194             GCPtr pGC,
1195             int nInit, DDXPointPtr pptInit, int *pwidthInit, int fSorted);
1196
1197 /*
1198  * fbgc.c
1199  */
1200
1201 extern _X_EXPORT Bool
1202  fbCreateGC(GCPtr pGC);
1203
1204 extern _X_EXPORT void
1205  fbPadPixmap(PixmapPtr pPixmap);
1206
1207 extern _X_EXPORT void
1208  fbValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable);
1209
1210 /*
1211  * fbgetsp.c
1212  */
1213 extern _X_EXPORT void
1214
1215 fbGetSpans(DrawablePtr pDrawable,
1216            int wMax,
1217            DDXPointPtr ppt, int *pwidth, int nspans, char *pchardstStart);
1218
1219 /*
1220  * fbglyph.c
1221  */
1222
1223 extern _X_EXPORT Bool
1224  fbGlyphIn(RegionPtr pRegion, int x, int y, int width, int height);
1225
1226 extern _X_EXPORT void
1227
1228 fbPolyGlyphBlt(DrawablePtr pDrawable,
1229                GCPtr pGC,
1230                int x,
1231                int y,
1232                unsigned int nglyph, CharInfoPtr * ppci, pointer pglyphBase);
1233
1234 extern _X_EXPORT void
1235
1236 fbImageGlyphBlt(DrawablePtr pDrawable,
1237                 GCPtr pGC,
1238                 int x,
1239                 int y,
1240                 unsigned int nglyph, CharInfoPtr * ppci, pointer pglyphBase);
1241
1242 /*
1243  * fbimage.c
1244  */
1245
1246 extern _X_EXPORT void
1247
1248 fbPutImage(DrawablePtr pDrawable,
1249            GCPtr pGC,
1250            int depth,
1251            int x, int y, int w, int h, int leftPad, int format, char *pImage);
1252
1253 extern _X_EXPORT void
1254
1255 fbPutZImage(DrawablePtr pDrawable,
1256             RegionPtr pClip,
1257             int alu,
1258             FbBits pm,
1259             int x,
1260             int y, int width, int height, FbStip * src, FbStride srcStride);
1261
1262 extern _X_EXPORT void
1263
1264 fbPutXYImage(DrawablePtr pDrawable,
1265              RegionPtr pClip,
1266              FbBits fg,
1267              FbBits bg,
1268              FbBits pm,
1269              int alu,
1270              Bool opaque,
1271              int x,
1272              int y,
1273              int width, int height, FbStip * src, FbStride srcStride, int srcX);
1274
1275 extern _X_EXPORT void
1276
1277 fbGetImage(DrawablePtr pDrawable,
1278            int x,
1279            int y,
1280            int w, int h, unsigned int format, unsigned long planeMask, char *d);
1281 /*
1282  * fbline.c
1283  */
1284
1285 extern _X_EXPORT void
1286
1287 fbZeroLine(DrawablePtr pDrawable,
1288            GCPtr pGC, int mode, int npt, DDXPointPtr ppt);
1289
1290 extern _X_EXPORT void
1291  fbZeroSegment(DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment * pSegs);
1292
1293 extern _X_EXPORT void
1294
1295 fbPolyLine(DrawablePtr pDrawable,
1296            GCPtr pGC, int mode, int npt, DDXPointPtr ppt);
1297
1298 extern _X_EXPORT void
1299  fbFixCoordModePrevious(int npt, DDXPointPtr ppt);
1300
1301 extern _X_EXPORT void
1302  fbPolySegment(DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment * pseg);
1303
1304 #define fbPolyRectangle miPolyRectangle
1305
1306 /*
1307  * fbpict.c
1308  */
1309
1310 extern _X_EXPORT Bool
1311  fbPictureInit(ScreenPtr pScreen, PictFormatPtr formats, int nformats);
1312
1313 extern _X_EXPORT void
1314 fbDestroyGlyphCache(void);
1315
1316 /*
1317  * fbpixmap.c
1318  */
1319
1320 extern _X_EXPORT PixmapPtr
1321
1322 fbCreatePixmapBpp(ScreenPtr pScreen, int width, int height, int depth, int bpp,
1323                   unsigned usage_hint);
1324
1325 extern _X_EXPORT PixmapPtr
1326
1327 fbCreatePixmap(ScreenPtr pScreen, int width, int height, int depth,
1328                unsigned usage_hint);
1329
1330 extern _X_EXPORT Bool
1331  fbDestroyPixmap(PixmapPtr pPixmap);
1332
1333 extern _X_EXPORT RegionPtr
1334  fbPixmapToRegion(PixmapPtr pPix);
1335
1336 /*
1337  * fbpoint.c
1338  */
1339
1340 extern _X_EXPORT void
1341
1342 fbDots(FbBits * dstOrig,
1343        FbStride dstStride,
1344        int dstBpp,
1345        BoxPtr pBox,
1346        xPoint * pts,
1347        int npt,
1348        int xorg, int yorg, int xoff, int yoff, FbBits andOrig, FbBits xorOrig);
1349
1350 extern _X_EXPORT void
1351
1352 fbPolyPoint(DrawablePtr pDrawable,
1353             GCPtr pGC, int mode, int npt, xPoint * pptInit);
1354
1355 /*
1356  * fbpush.c
1357  */
1358 extern _X_EXPORT void
1359
1360 fbPushPattern(DrawablePtr pDrawable,
1361               GCPtr pGC,
1362               FbStip * src,
1363               FbStride srcStride,
1364               int srcX, int x, int y, int width, int height);
1365
1366 extern _X_EXPORT void
1367
1368 fbPushFill(DrawablePtr pDrawable,
1369            GCPtr pGC,
1370            FbStip * src,
1371            FbStride srcStride, int srcX, int x, int y, int width, int height);
1372
1373 extern _X_EXPORT void
1374
1375 fbPushImage(DrawablePtr pDrawable,
1376             GCPtr pGC,
1377             FbStip * src,
1378             FbStride srcStride, int srcX, int x, int y, int width, int height);
1379
1380 extern _X_EXPORT void
1381
1382 fbPushPixels(GCPtr pGC,
1383              PixmapPtr pBitmap,
1384              DrawablePtr pDrawable, int dx, int dy, int xOrg, int yOrg);
1385
1386 /*
1387  * fbscreen.c
1388  */
1389
1390 extern _X_EXPORT Bool
1391  fbCloseScreen(ScreenPtr pScreen);
1392
1393 extern _X_EXPORT Bool
1394  fbRealizeFont(ScreenPtr pScreen, FontPtr pFont);
1395
1396 extern _X_EXPORT Bool
1397  fbUnrealizeFont(ScreenPtr pScreen, FontPtr pFont);
1398
1399 extern _X_EXPORT void
1400
1401 fbQueryBestSize(int class,
1402                 unsigned short *width, unsigned short *height,
1403                 ScreenPtr pScreen);
1404
1405 extern _X_EXPORT PixmapPtr
1406  _fbGetWindowPixmap(WindowPtr pWindow);
1407
1408 extern _X_EXPORT void
1409  _fbSetWindowPixmap(WindowPtr pWindow, PixmapPtr pPixmap);
1410
1411 extern _X_EXPORT Bool
1412  fbSetupScreen(ScreenPtr pScreen, pointer pbits,        /* pointer to screen bitmap */
1413                int xsize,       /* in pixels */
1414                int ysize, int dpix,     /* dots per inch */
1415                int dpiy, int width,     /* pixel width of frame buffer */
1416                int bpp);        /* bits per pixel of frame buffer */
1417
1418 extern _X_EXPORT Bool
1419
1420 wfbFinishScreenInit(ScreenPtr pScreen,
1421                     pointer pbits,
1422                     int xsize,
1423                     int ysize,
1424                     int dpix,
1425                     int dpiy,
1426                     int width,
1427                     int bpp,
1428                     SetupWrapProcPtr setupWrap, FinishWrapProcPtr finishWrap);
1429
1430 extern _X_EXPORT Bool
1431
1432 wfbScreenInit(ScreenPtr pScreen,
1433               pointer pbits,
1434               int xsize,
1435               int ysize,
1436               int dpix,
1437               int dpiy,
1438               int width,
1439               int bpp,
1440               SetupWrapProcPtr setupWrap, FinishWrapProcPtr finishWrap);
1441
1442 extern _X_EXPORT Bool
1443
1444 fbFinishScreenInit(ScreenPtr pScreen,
1445                    pointer pbits,
1446                    int xsize,
1447                    int ysize, int dpix, int dpiy, int width, int bpp);
1448
1449 extern _X_EXPORT Bool
1450
1451 fbScreenInit(ScreenPtr pScreen,
1452              pointer pbits,
1453              int xsize, int ysize, int dpix, int dpiy, int width, int bpp);
1454
1455 /*
1456  * fbseg.c
1457  */
1458 typedef void FbBres(DrawablePtr pDrawable,
1459                     GCPtr pGC,
1460                     int dashOffset,
1461                     int signdx,
1462                     int signdy,
1463                     int axis, int x, int y, int e, int e1, int e3, int len);
1464
1465 extern _X_EXPORT FbBres fbBresSolid, fbBresDash, fbBresFill, fbBresFillDash;
1466
1467 /*
1468  * fbsetsp.c
1469  */
1470
1471 extern _X_EXPORT void
1472
1473 fbSetSpans(DrawablePtr pDrawable,
1474            GCPtr pGC,
1475            char *src, DDXPointPtr ppt, int *pwidth, int nspans, int fSorted);
1476
1477 extern _X_EXPORT FbBres *fbSelectBres(DrawablePtr pDrawable, GCPtr pGC);
1478
1479 extern _X_EXPORT void
1480
1481 fbBres(DrawablePtr pDrawable,
1482        GCPtr pGC,
1483        int dashOffset,
1484        int signdx,
1485        int signdy, int axis, int x, int y, int e, int e1, int e3, int len);
1486
1487 extern _X_EXPORT void
1488
1489 fbSegment(DrawablePtr pDrawable,
1490           GCPtr pGC,
1491           int xa, int ya, int xb, int yb, Bool drawLast, int *dashOffset);
1492
1493 /*
1494  * fbsolid.c
1495  */
1496
1497 extern _X_EXPORT void
1498
1499 fbSolid(FbBits * dst,
1500         FbStride dstStride,
1501         int dstX, int bpp, int width, int height, FbBits and, FbBits xor);
1502
1503 extern _X_EXPORT void
1504
1505 fbSolid24(FbBits * dst,
1506           FbStride dstStride,
1507           int dstX, int width, int height, FbBits and, FbBits xor);
1508
1509 /*
1510  * fbstipple.c
1511  */
1512
1513 extern _X_EXPORT void
1514  fbTransparentSpan(FbBits * dst, FbBits stip, FbBits fgxor, int n);
1515
1516 extern _X_EXPORT void
1517
1518 fbEvenStipple(FbBits * dst,
1519               FbStride dstStride,
1520               int dstX,
1521               int dstBpp,
1522               int width,
1523               int height,
1524               FbStip * stip,
1525               FbStride stipStride,
1526               int stipHeight,
1527               FbBits fgand,
1528               FbBits fgxor, FbBits bgand, FbBits bgxor, int xRot, int yRot);
1529
1530 extern _X_EXPORT void
1531
1532 fbOddStipple(FbBits * dst,
1533              FbStride dstStride,
1534              int dstX,
1535              int dstBpp,
1536              int width,
1537              int height,
1538              FbStip * stip,
1539              FbStride stipStride,
1540              int stipWidth,
1541              int stipHeight,
1542              FbBits fgand,
1543              FbBits fgxor, FbBits bgand, FbBits bgxor, int xRot, int yRot);
1544
1545 extern _X_EXPORT void
1546
1547 fbStipple(FbBits * dst,
1548           FbStride dstStride,
1549           int dstX,
1550           int dstBpp,
1551           int width,
1552           int height,
1553           FbStip * stip,
1554           FbStride stipStride,
1555           int stipWidth,
1556           int stipHeight,
1557           Bool even,
1558           FbBits fgand,
1559           FbBits fgxor, FbBits bgand, FbBits bgxor, int xRot, int yRot);
1560
1561 /*
1562  * fbtile.c
1563  */
1564
1565 extern _X_EXPORT void
1566
1567 fbEvenTile(FbBits * dst,
1568            FbStride dstStride,
1569            int dstX,
1570            int width,
1571            int height,
1572            FbBits * tile,
1573            FbStride tileStride,
1574            int tileHeight, int alu, FbBits pm, int xRot, int yRot);
1575
1576 extern _X_EXPORT void
1577
1578 fbOddTile(FbBits * dst,
1579           FbStride dstStride,
1580           int dstX,
1581           int width,
1582           int height,
1583           FbBits * tile,
1584           FbStride tileStride,
1585           int tileWidth,
1586           int tileHeight, int alu, FbBits pm, int bpp, int xRot, int yRot);
1587
1588 extern _X_EXPORT void
1589
1590 fbTile(FbBits * dst,
1591        FbStride dstStride,
1592        int dstX,
1593        int width,
1594        int height,
1595        FbBits * tile,
1596        FbStride tileStride,
1597        int tileWidth,
1598        int tileHeight, int alu, FbBits pm, int bpp, int xRot, int yRot);
1599
1600 /*
1601  * fbutil.c
1602  */
1603 extern _X_EXPORT FbBits fbReplicatePixel(Pixel p, int bpp);
1604
1605 extern _X_EXPORT void
1606  fbReduceRasterOp(int rop, FbBits fg, FbBits pm, FbBits * andp, FbBits * xorp);
1607
1608 #ifdef FB_ACCESS_WRAPPER
1609 extern _X_EXPORT ReadMemoryProcPtr wfbReadMemory;
1610 extern _X_EXPORT WriteMemoryProcPtr wfbWriteMemory;
1611 #endif
1612
1613 /*
1614  * fbwindow.c
1615  */
1616
1617 extern _X_EXPORT Bool
1618  fbCreateWindow(WindowPtr pWin);
1619
1620 extern _X_EXPORT Bool
1621  fbDestroyWindow(WindowPtr pWin);
1622
1623 extern _X_EXPORT Bool
1624  fbMapWindow(WindowPtr pWindow);
1625
1626 extern _X_EXPORT Bool
1627  fbPositionWindow(WindowPtr pWin, int x, int y);
1628
1629 extern _X_EXPORT Bool
1630  fbUnmapWindow(WindowPtr pWindow);
1631
1632 extern _X_EXPORT void
1633
1634 fbCopyWindowProc(DrawablePtr pSrcDrawable,
1635                  DrawablePtr pDstDrawable,
1636                  GCPtr pGC,
1637                  BoxPtr pbox,
1638                  int nbox,
1639                  int dx,
1640                  int dy,
1641                  Bool reverse, Bool upsidedown, Pixel bitplane, void *closure);
1642
1643 extern _X_EXPORT void
1644  fbCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc);
1645
1646 extern _X_EXPORT Bool
1647  fbChangeWindowAttributes(WindowPtr pWin, unsigned long mask);
1648
1649 extern _X_EXPORT void
1650
1651 fbFillRegionSolid(DrawablePtr pDrawable,
1652                   RegionPtr pRegion, FbBits and, FbBits xor);
1653
1654 extern _X_EXPORT pixman_image_t *image_from_pict(PicturePtr pict,
1655                                                  Bool has_clip,
1656                                                  int *xoff, int *yoff);
1657
1658 extern _X_EXPORT void free_pixman_pict(PicturePtr, pixman_image_t *);
1659
1660 #endif                          /* _FB_H_ */