rasops.c revision 1.102
1 /* $NetBSD: rasops.c,v 1.102 2019/07/31 00:14:25 rin Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Doran. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: rasops.c,v 1.102 2019/07/31 00:14:25 rin Exp $"); 34 35 #include "opt_rasops.h" 36 #include "rasops_glue.h" 37 #include "opt_wsmsgattrs.h" 38 39 #include <sys/param.h> 40 #include <sys/bswap.h> 41 #include <sys/kmem.h> 42 #include <sys/systm.h> 43 #include <sys/time.h> 44 45 #include <machine/endian.h> 46 47 #include <dev/wscons/wsdisplayvar.h> 48 #include <dev/wscons/wsconsio.h> 49 #include <dev/wsfont/wsfont.h> 50 51 #define _RASOPS_PRIVATE 52 #include <dev/rasops/rasops.h> 53 54 #ifndef _KERNEL 55 #include <errno.h> 56 #endif 57 58 #ifdef RASOPS_DEBUG 59 #define DPRINTF(...) aprint_error(...) 60 #else 61 #define DPRINTF(...) __nothing 62 #endif 63 64 struct rasops_matchdata { 65 struct rasops_info *ri; 66 int wantcols, wantrows; 67 int bestscore; 68 struct wsdisplay_font *pick; 69 int ident; 70 }; 71 72 /* ANSI colormap (R,G,B). Upper 8 are high-intensity */ 73 const uint8_t rasops_cmap[256 * 3] = { 74 0x00, 0x00, 0x00, /* black */ 75 0x7f, 0x00, 0x00, /* red */ 76 0x00, 0x7f, 0x00, /* green */ 77 0x7f, 0x7f, 0x00, /* brown */ 78 0x00, 0x00, 0x7f, /* blue */ 79 0x7f, 0x00, 0x7f, /* magenta */ 80 0x00, 0x7f, 0x7f, /* cyan */ 81 0xc7, 0xc7, 0xc7, /* white - XXX too dim? */ 82 83 0x7f, 0x7f, 0x7f, /* black */ 84 0xff, 0x00, 0x00, /* red */ 85 0x00, 0xff, 0x00, /* green */ 86 0xff, 0xff, 0x00, /* brown */ 87 0x00, 0x00, 0xff, /* blue */ 88 0xff, 0x00, 0xff, /* magenta */ 89 0x00, 0xff, 0xff, /* cyan */ 90 0xff, 0xff, 0xff, /* white */ 91 92 /* 93 * For the cursor, we need at least the last (255th) 94 * color to be white. Fill up white completely for 95 * simplicity. 96 */ 97 #define _CMWHITE 0xff, 0xff, 0xff, 98 #define _CMWHITE16 _CMWHITE _CMWHITE _CMWHITE _CMWHITE \ 99 _CMWHITE _CMWHITE _CMWHITE _CMWHITE \ 100 _CMWHITE _CMWHITE _CMWHITE _CMWHITE \ 101 _CMWHITE _CMWHITE _CMWHITE _CMWHITE 102 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 103 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 104 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 /* but not the last one */ 105 #undef _CMWHITE16 106 #undef _CMWHITE 107 108 /* 109 * For the cursor the fg/bg indices are bit inverted, so 110 * provide complimentary colors in the upper 16 entries. 111 */ 112 0x7f, 0x7f, 0x7f, /* black */ 113 0xff, 0x00, 0x00, /* red */ 114 0x00, 0xff, 0x00, /* green */ 115 0xff, 0xff, 0x00, /* brown */ 116 0x00, 0x00, 0xff, /* blue */ 117 0xff, 0x00, 0xff, /* magenta */ 118 0x00, 0xff, 0xff, /* cyan */ 119 0xff, 0xff, 0xff, /* white */ 120 121 0x00, 0x00, 0x00, /* black */ 122 0x7f, 0x00, 0x00, /* red */ 123 0x00, 0x7f, 0x00, /* green */ 124 0x7f, 0x7f, 0x00, /* brown */ 125 0x00, 0x00, 0x7f, /* blue */ 126 0x7f, 0x00, 0x7f, /* magenta */ 127 0x00, 0x7f, 0x7f, /* cyan */ 128 0xc7, 0xc7, 0xc7, /* white - XXX too dim? */ 129 }; 130 131 /* True if color is gray */ 132 static const uint8_t rasops_isgray[16] = { 133 1, 0, 0, 0, 0, 0, 0, 1, 134 1, 0, 0, 0, 0, 0, 0, 1, 135 }; 136 137 #ifdef RASOPS_APPLE_PALETTE 138 /* 139 * Approximate ANSI colormap for legacy Apple color palettes 140 */ 141 static const uint8_t apple8_devcmap[16] = { 142 0xff, /* black 0x00, 0x00, 0x00 */ 143 0x6b, /* red 0x99, 0x00, 0x00 */ 144 0xc5, /* green 0x00, 0x99, 0x00 */ 145 0x59, /* yellow 0x99, 0x99, 0x00 */ 146 0xd4, /* blue 0x00, 0x00, 0x99 */ 147 0x68, /* magenta 0x99, 0x00, 0x99 */ 148 0xc2, /* cyan 0x00, 0x99, 0x99 */ 149 0x2b, /* white 0xcc, 0xcc, 0xcc */ 150 151 0x56, /* black 0x99, 0x99, 0x99 */ 152 0x23, /* red 0xff, 0x00, 0x00 */ 153 0xb9, /* green 0x00, 0xff, 0x00 */ 154 0x05, /* yellow 0xff, 0xff, 0x00 */ 155 0xd2, /* blue 0x00, 0x00, 0xff */ 156 0x1e, /* magenta 0xff, 0x00, 0xff */ 157 0xb4, /* cyan 0x00, 0xff, 0xff */ 158 0x00, /* white 0xff, 0xff, 0xff */ 159 }; 160 161 static const uint8_t apple4_devcmap[16] = { 162 15, /* black */ 163 3, /* red */ 164 8, /* green */ 165 1, /* yellow */ 166 6, /* blue */ 167 4, /* magenta */ 168 7, /* cyan */ 169 12, /* light grey */ 170 171 13, /* medium grey */ 172 3, /* red */ 173 8, /* green */ 174 1, /* yellow */ 175 6, /* blue */ 176 4, /* magenta */ 177 7, /* cyan */ 178 0, /* white */ 179 }; 180 #endif 181 182 /* Generic functions */ 183 static void rasops_copyrows(void *, int, int, int); 184 static void rasops_copycols(void *, int, int, int, int); 185 static int rasops_mapchar(void *, int, u_int *); 186 static void rasops_cursor(void *, int, int, int); 187 static int rasops_allocattr_color(void *, int, int, int, long *); 188 static int rasops_allocattr_mono(void *, int, int, int, long *); 189 static void rasops_do_cursor(struct rasops_info *); 190 static void rasops_init_devcmap(struct rasops_info *); 191 192 #if NRASOPS_ROTATION > 0 193 static void rasops_rotate_font(int *, int); 194 static void rasops_copychar(void *, int, int, int, int); 195 196 /* rotate clockwise */ 197 static void rasops_copycols_rotated_cw(void *, int, int, int, int); 198 static void rasops_copyrows_rotated_cw(void *, int, int, int); 199 static void rasops_erasecols_rotated_cw(void *, int, int, int, long); 200 static void rasops_eraserows_rotated_cw(void *, int, int, long); 201 static void rasops_putchar_rotated_cw(void *, int, int, u_int, long); 202 203 /* rotate counter-clockwise */ 204 static void rasops_copychar_ccw(void *, int, int, int, int); 205 static void rasops_copycols_rotated_ccw(void *, int, int, int, int); 206 static void rasops_copyrows_rotated_ccw(void *, int, int, int); 207 #define rasops_erasecols_rotated_ccw rasops_erasecols_rotated_cw 208 #define rasops_eraserows_rotated_ccw rasops_eraserows_rotated_cw 209 static void rasops_putchar_rotated_ccw(void *, int, int, u_int, long); 210 211 /* 212 * List of all rotated fonts 213 */ 214 SLIST_HEAD(, rotatedfont) rotatedfonts = SLIST_HEAD_INITIALIZER(rotatedfonts); 215 struct rotatedfont { 216 SLIST_ENTRY(rotatedfont) rf_next; 217 int rf_cookie; 218 int rf_rotated; 219 }; 220 #endif /* NRASOPS_ROTATION > 0 */ 221 222 void rasops_make_box_chars_8(struct rasops_info *); 223 void rasops_make_box_chars_16(struct rasops_info *); 224 void rasops_make_box_chars_32(struct rasops_info *); 225 void rasops_make_box_chars_alpha(struct rasops_info *); 226 227 /* 228 * Initialize a 'rasops_info' descriptor. 229 */ 230 int 231 rasops_init(struct rasops_info *ri, int wantrows, int wantcols) 232 { 233 234 memset(&ri->ri_optfont, 0, sizeof(ri->ri_optfont)); 235 #ifdef _KERNEL 236 /* Select a font if the caller doesn't care */ 237 if (ri->ri_font == NULL) { 238 int cookie = -1; 239 int flags; 240 241 wsfont_init(); 242 243 /* 244 * first, try to find something that's as close as possible 245 * to the caller's requested terminal size 246 */ 247 if (wantrows == 0) 248 wantrows = RASOPS_DEFAULT_HEIGHT; 249 if (wantcols == 0) 250 wantcols = RASOPS_DEFAULT_WIDTH; 251 252 flags = WSFONT_FIND_BESTWIDTH | WSFONT_FIND_BITMAP; 253 if ((ri->ri_flg & RI_ENABLE_ALPHA) != 0) 254 flags |= WSFONT_FIND_ALPHA; 255 if ((ri->ri_flg & RI_PREFER_ALPHA) != 0) 256 flags |= WSFONT_PREFER_ALPHA; 257 cookie = wsfont_find(NULL, 258 ri->ri_width / wantcols, 259 0, 260 0, 261 WSDISPLAY_FONTORDER_L2R, 262 WSDISPLAY_FONTORDER_L2R, 263 flags); 264 265 /* 266 * this means there is no supported font in the list 267 */ 268 if (cookie <= 0) { 269 aprint_error("%s: font table is empty\n", __func__); 270 return -1; 271 } 272 273 #if NRASOPS_ROTATION > 0 274 /* 275 * Pick the rotated version of this font. This will create it 276 * if necessary. 277 */ 278 if (ri->ri_flg & RI_ROTATE_MASK) { 279 if (ri->ri_flg & RI_ROTATE_CW) 280 rasops_rotate_font(&cookie, WSFONT_ROTATE_CW); 281 else if (ri->ri_flg & RI_ROTATE_CCW) 282 rasops_rotate_font(&cookie, WSFONT_ROTATE_CCW); 283 } 284 #endif 285 286 if (wsfont_lock(cookie, &ri->ri_font)) { 287 aprint_error("%s: couldn't lock font\n", __func__); 288 return -1; 289 } 290 291 ri->ri_wsfcookie = cookie; 292 } 293 #endif 294 295 /* This should never happen in reality... */ 296 if ((uintptr_t)ri->ri_bits & 3) { 297 aprint_error("%s: bits not aligned on 32-bit boundary\n", 298 __func__); 299 return -1; 300 } 301 302 if (ri->ri_stride & 3) { 303 aprint_error("%s: stride not aligned on 32-bit boundary\n", 304 __func__); 305 return -1; 306 } 307 308 if (rasops_reconfig(ri, wantrows, wantcols)) 309 return -1; 310 311 rasops_init_devcmap(ri); 312 return 0; 313 } 314 315 /* 316 * Reconfigure (because parameters have changed in some way). 317 */ 318 int 319 rasops_reconfig(struct rasops_info *ri, int wantrows, int wantcols) 320 { 321 int bpp, s; 322 size_t len; 323 324 s = splhigh(); 325 326 if (wantrows == 0) 327 wantrows = RASOPS_DEFAULT_HEIGHT; 328 if (wantcols == 0) 329 wantcols = RASOPS_DEFAULT_WIDTH; 330 331 /* throw away old line drawing character bitmaps, if we have any */ 332 if (ri->ri_optfont.data != NULL) { 333 kmem_free(ri->ri_optfont.data, ri->ri_optfont.stride * 334 ri->ri_optfont.fontheight * ri->ri_optfont.numchars); 335 ri->ri_optfont.data = NULL; 336 } 337 338 /* autogenerate box drawing characters */ 339 ri->ri_optfont.firstchar = WSFONT_FLAG_OPT; 340 ri->ri_optfont.numchars = 16; 341 ri->ri_optfont.fontwidth = ri->ri_font->fontwidth; 342 ri->ri_optfont.fontheight = ri->ri_font->fontheight; 343 ri->ri_optfont.stride = ri->ri_font->stride; 344 len = ri->ri_optfont.fontheight * ri->ri_optfont.stride * 345 ri->ri_optfont.numchars; 346 347 if (ri->ri_font->fontwidth > 32 || ri->ri_font->fontwidth < 4) { 348 aprint_error("%s: fontwidth assumptions botched", __func__); 349 splx(s); 350 return -1; 351 } 352 353 if ((ri->ri_flg & RI_NO_AUTO) == 0) { 354 ri->ri_optfont.data = kmem_zalloc(len, KM_SLEEP); 355 if (FONT_IS_ALPHA(&ri->ri_optfont)) 356 rasops_make_box_chars_alpha(ri); 357 else { 358 switch (ri->ri_optfont.stride) { 359 case 1: 360 rasops_make_box_chars_8(ri); 361 break; 362 case 2: 363 rasops_make_box_chars_16(ri); 364 break; 365 case 4: 366 rasops_make_box_chars_32(ri); 367 break; 368 default: 369 aprint_error( 370 "%s: font stride assumptions botched", 371 __func__); 372 splx(s); 373 return -1; 374 } 375 } 376 } else 377 memset(&ri->ri_optfont, 0, sizeof(ri->ri_optfont)); 378 379 /* Need this to frob the setup below */ 380 bpp = (ri->ri_depth == 15 ? 16 : ri->ri_depth); 381 382 if ((ri->ri_flg & RI_CFGDONE) != 0) { 383 ri->ri_bits = ri->ri_origbits; 384 ri->ri_hwbits = ri->ri_hworigbits; 385 } 386 387 /* Don't care if the caller wants a hideously small console */ 388 if (wantrows < 10) 389 wantrows = 10; 390 391 if (wantcols < 20) 392 wantcols = 20; 393 394 /* Now constrain what they get */ 395 ri->ri_emuwidth = ri->ri_font->fontwidth * wantcols; 396 ri->ri_emuheight = ri->ri_font->fontheight * wantrows; 397 398 if (ri->ri_emuwidth > ri->ri_width) 399 ri->ri_emuwidth = ri->ri_width; 400 401 if (ri->ri_emuheight > ri->ri_height) 402 ri->ri_emuheight = ri->ri_height; 403 404 /* Reduce width until aligned on a 32-bit boundary */ 405 while ((ri->ri_emuwidth * bpp & 31) != 0) 406 ri->ri_emuwidth--; 407 408 #if NRASOPS_ROTATION > 0 409 if (ri->ri_flg & (RI_ROTATE_CW|RI_ROTATE_CCW)) { 410 ri->ri_rows = ri->ri_emuwidth / ri->ri_font->fontwidth; 411 ri->ri_cols = ri->ri_emuheight / ri->ri_font->fontheight; 412 } else 413 #endif 414 { 415 416 ri->ri_cols = ri->ri_emuwidth / ri->ri_font->fontwidth; 417 ri->ri_rows = ri->ri_emuheight / ri->ri_font->fontheight; 418 } 419 ri->ri_emustride = ri->ri_emuwidth * bpp >> 3; 420 ri->ri_delta = ri->ri_stride - ri->ri_emustride; 421 ri->ri_ccol = 0; 422 ri->ri_crow = 0; 423 ri->ri_pelbytes = bpp >> 3; 424 425 ri->ri_xscale = (ri->ri_font->fontwidth * bpp) >> 3; 426 ri->ri_yscale = ri->ri_font->fontheight * ri->ri_stride; 427 ri->ri_fontscale = ri->ri_font->fontheight * ri->ri_font->stride; 428 429 if ((ri->ri_delta & 3) != 0) { 430 aprint_error( 431 "%s: ri_delta not aligned on 32-bit boundary", __func__); 432 splx(s); 433 return -1; 434 } 435 ri->ri_origbits = ri->ri_bits; 436 ri->ri_hworigbits = ri->ri_hwbits; 437 438 /* Clear the entire display */ 439 if ((ri->ri_flg & RI_CLEAR) != 0) 440 memset(ri->ri_bits, 0, ri->ri_stride * ri->ri_height); 441 442 /* Now centre our window if needs be */ 443 if ((ri->ri_flg & RI_CENTER) != 0) { 444 ri->ri_bits += (((ri->ri_width * bpp >> 3) - 445 ri->ri_emustride) >> 1) & ~3; 446 ri->ri_bits += ((ri->ri_height - ri->ri_emuheight) >> 1) * 447 ri->ri_stride; 448 if (ri->ri_hwbits != NULL) { 449 ri->ri_hwbits += (((ri->ri_width * bpp >> 3) - 450 ri->ri_emustride) >> 1) & ~3; 451 ri->ri_hwbits += 452 ((ri->ri_height - ri->ri_emuheight) >> 1) * 453 ri->ri_stride; 454 } 455 ri->ri_yorigin = (int)(ri->ri_bits - ri->ri_origbits) / 456 ri->ri_stride; 457 ri->ri_xorigin = (((int)(ri->ri_bits - ri->ri_origbits) % 458 ri->ri_stride) * 8 / bpp); 459 } else 460 ri->ri_xorigin = ri->ri_yorigin = 0; 461 462 /* 463 * Fill in defaults for operations set. XXX this nukes private 464 * routines used by accelerated fb drivers. 465 */ 466 ri->ri_ops.mapchar = rasops_mapchar; 467 ri->ri_ops.copyrows = rasops_copyrows; 468 ri->ri_ops.copycols = rasops_copycols; 469 ri->ri_ops.erasecols = rasops_erasecols; 470 ri->ri_ops.eraserows = rasops_eraserows; 471 ri->ri_ops.cursor = rasops_cursor; 472 ri->ri_do_cursor = rasops_do_cursor; 473 474 ri->ri_caps &= ~(WSSCREEN_UNDERLINE | WSSCREEN_HILIT | 475 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE); 476 477 if ((ri->ri_flg & RI_FORCEMONO) != 0 || 478 #ifdef RASOPS_APPLE_PALETTE 479 ri->ri_depth == 1 480 #else 481 ri->ri_depth < 8 482 #endif 483 ) { 484 ri->ri_ops.allocattr = rasops_allocattr_mono; 485 ri->ri_caps |= WSSCREEN_UNDERLINE | WSSCREEN_REVERSE; 486 } else { 487 ri->ri_ops.allocattr = rasops_allocattr_color; 488 ri->ri_caps |= WSSCREEN_UNDERLINE | WSSCREEN_HILIT | 489 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE; 490 } 491 492 switch (ri->ri_depth) { 493 #if NRASOPS1 > 0 494 case 1: 495 rasops1_init(ri); 496 break; 497 #endif 498 #if NRASOPS2 > 0 499 case 2: 500 rasops2_init(ri); 501 break; 502 #endif 503 #if NRASOPS4 > 0 504 case 4: 505 rasops4_init(ri); 506 break; 507 #endif 508 #if NRASOPS8 > 0 509 case 8: 510 rasops8_init(ri); 511 break; 512 #endif 513 #if (NRASOPS15 + NRASOPS16) > 0 514 case 15: 515 case 16: 516 rasops15_init(ri); 517 break; 518 #endif 519 #if NRASOPS24 > 0 520 case 24: 521 rasops24_init(ri); 522 break; 523 #endif 524 #if NRASOPS32 > 0 525 case 32: 526 rasops32_init(ri); 527 break; 528 #endif 529 default: 530 ri->ri_flg &= ~RI_CFGDONE; 531 aprint_error("%s: depth not supported\n", __func__); 532 splx(s); 533 return -1; 534 } 535 536 #if NRASOPS_ROTATION > 0 537 if (ri->ri_flg & RI_ROTATE_MASK) { 538 if (ri->ri_flg & RI_ROTATE_CW) { 539 ri->ri_real_ops = ri->ri_ops; 540 ri->ri_ops.copycols = rasops_copycols_rotated_cw; 541 ri->ri_ops.copyrows = rasops_copyrows_rotated_cw; 542 ri->ri_ops.erasecols = rasops_erasecols_rotated_cw; 543 ri->ri_ops.eraserows = rasops_eraserows_rotated_cw; 544 ri->ri_ops.putchar = rasops_putchar_rotated_cw; 545 } else if (ri->ri_flg & RI_ROTATE_CCW) { 546 ri->ri_real_ops = ri->ri_ops; 547 ri->ri_ops.copycols = rasops_copycols_rotated_ccw; 548 ri->ri_ops.copyrows = rasops_copyrows_rotated_ccw; 549 ri->ri_ops.erasecols = rasops_erasecols_rotated_ccw; 550 ri->ri_ops.eraserows = rasops_eraserows_rotated_ccw; 551 ri->ri_ops.putchar = rasops_putchar_rotated_ccw; 552 } 553 } 554 #endif 555 556 ri->ri_flg |= RI_CFGDONE; 557 splx(s); 558 return 0; 559 } 560 561 /* 562 * Map a character. 563 */ 564 static int 565 rasops_mapchar(void *cookie, int c, u_int *cp) 566 { 567 struct rasops_info *ri = (struct rasops_info *)cookie; 568 569 KASSERT(ri->ri_font != NULL); 570 571 if ((c = wsfont_map_unichar(ri->ri_font, c)) < 0 || 572 c < ri->ri_font->firstchar) { 573 *cp = ' '; 574 return 0; 575 } 576 577 #if 0 /* XXXRO */ 578 if (CHAR_IN_FONT(c, ri->ri_font)) { 579 *cp = ' '; 580 return 0; 581 } 582 #endif 583 584 *cp = c; 585 return 5; 586 } 587 588 /* 589 * Allocate a color attribute. 590 */ 591 static int 592 rasops_allocattr_color(void *cookie, int fg0, int bg0, int flg, long *attr) 593 { 594 uint32_t fg = fg0, bg = bg0; 595 596 if (__predict_false(fg >= sizeof(rasops_isgray) || 597 bg >= sizeof(rasops_isgray))) 598 return EINVAL; 599 600 #ifdef RASOPS_CLIPPING 601 fg &= 7; 602 bg &= 7; 603 #endif 604 if ((flg & WSATTR_BLINK) != 0) 605 return EINVAL; 606 607 if ((flg & WSATTR_WSCOLORS) == 0) { 608 #ifdef WS_DEFAULT_FG 609 fg = WS_DEFAULT_FG; 610 #else 611 fg = WSCOL_WHITE; 612 #endif 613 #ifdef WS_DEFAULT_BG 614 bg = WS_DEFAULT_BG; 615 #else 616 bg = WSCOL_BLACK; 617 #endif 618 } 619 620 if ((flg & WSATTR_HILIT) != 0) 621 fg += 8; 622 623 if ((flg & WSATTR_REVERSE) != 0) { 624 uint32_t swap = fg; 625 fg = bg; 626 bg = swap; 627 } 628 629 flg &= WSATTR_USERMASK; 630 631 if (rasops_isgray[fg]) 632 flg |= WSATTR_PRIVATE1; 633 634 if (rasops_isgray[bg]) 635 flg |= WSATTR_PRIVATE2; 636 637 *attr = (bg << 16) | (fg << 24) | flg; 638 return 0; 639 } 640 641 /* 642 * Allocate a mono attribute. 643 */ 644 static int 645 rasops_allocattr_mono(void *cookie, int fg0, int bg0, int flg, long *attr) 646 { 647 uint32_t fg = fg0, bg = bg0; 648 649 if ((flg & (WSATTR_BLINK | WSATTR_HILIT | WSATTR_WSCOLORS)) != 0) 650 return EINVAL; 651 652 fg = 1; 653 bg = 0; 654 655 if ((flg & WSATTR_REVERSE) != 0) { 656 uint32_t swap = fg; 657 fg = bg; 658 bg = swap; 659 } 660 661 *attr = (bg << 16) | (fg << 24) | flg; 662 return 0; 663 } 664 665 /* 666 * Copy rows. 667 */ 668 static void 669 rasops_copyrows(void *cookie, int src, int dst, int num) 670 { 671 struct rasops_info *ri = (struct rasops_info *)cookie; 672 uint8_t *sp, *dp, *hp; 673 int n, stride; 674 675 hp = NULL; /* XXX GCC */ 676 677 if (__predict_false(dst == src)) 678 return; 679 680 #ifdef RASOPS_CLIPPING 681 if (src < 0) { 682 num += src; 683 src = 0; 684 } 685 686 if (src + num > ri->ri_rows) 687 num = ri->ri_rows - src; 688 689 if (dst < 0) { 690 num += dst; 691 dst = 0; 692 } 693 694 if (dst + num > ri->ri_rows) 695 num = ri->ri_rows - dst; 696 697 if (num <= 0) 698 return; 699 #endif 700 701 num *= ri->ri_font->fontheight; 702 n = ri->ri_emustride; 703 stride = ri->ri_stride; 704 705 sp = ri->ri_bits + src * ri->ri_yscale; 706 dp = ri->ri_bits + dst * ri->ri_yscale; 707 if (ri->ri_hwbits) 708 hp = ri->ri_hwbits + dst * ri->ri_yscale; 709 710 while (num--) { 711 memcpy(dp, sp, n); 712 dp += stride; 713 if (ri->ri_hwbits) { 714 memcpy(hp, sp, n); 715 hp += stride; 716 } 717 sp += stride; 718 } 719 } 720 721 /* 722 * Copy columns. This is slow, and hard to optimize due to alignment, 723 * and the fact that we have to copy both left->right and right->left. 724 * We simply cop-out here and use memmove(), since it handles all of 725 * these cases anyway. 726 */ 727 static void 728 rasops_copycols(void *cookie, int row, int src, int dst, int num) 729 { 730 struct rasops_info *ri = (struct rasops_info *)cookie; 731 uint8_t *sp, *dp, *hp; 732 int height; 733 734 hp = NULL; /* XXX GCC */ 735 736 if (__predict_false(dst == src)) 737 return; 738 739 #ifdef RASOPS_CLIPPING 740 /* Catches < 0 case too */ 741 if ((unsigned)row >= (unsigned)ri->ri_rows) 742 return; 743 744 if (src < 0) { 745 num += src; 746 src = 0; 747 } 748 749 if (src + num > ri->ri_cols) 750 num = ri->ri_cols - src; 751 752 if (dst < 0) { 753 num += dst; 754 dst = 0; 755 } 756 757 if (dst + num > ri->ri_cols) 758 num = ri->ri_cols - dst; 759 760 if (num <= 0) 761 return; 762 #endif 763 764 num *= ri->ri_xscale; 765 row *= ri->ri_yscale; 766 height = ri->ri_font->fontheight; 767 768 sp = ri->ri_bits + row + src * ri->ri_xscale; 769 dp = ri->ri_bits + row + dst * ri->ri_xscale; 770 if (ri->ri_hwbits) 771 hp = ri->ri_hwbits + row + dst * ri->ri_xscale; 772 773 while (height--) { 774 memcpy(dp, sp, num); 775 dp += ri->ri_stride; 776 if (ri->ri_hwbits) { 777 memcpy(hp, sp, num); 778 hp += ri->ri_stride; 779 } 780 sp += ri->ri_stride; 781 } 782 } 783 784 /* 785 * Turn cursor off/on. 786 */ 787 static void 788 rasops_cursor(void *cookie, int on, int row, int col) 789 { 790 struct rasops_info *ri = (struct rasops_info *)cookie; 791 792 /* Turn old cursor off */ 793 if ((ri->ri_flg & RI_CURSOR) != 0) 794 #ifdef RASOPS_CLIPPING 795 if ((ri->ri_flg & RI_CURSORCLIP) == 0) 796 #endif 797 ri->ri_do_cursor(ri); 798 799 /* Select new cursor */ 800 #ifdef RASOPS_CLIPPING 801 ri->ri_flg &= ~RI_CURSORCLIP; 802 803 if (row < 0 || row >= ri->ri_rows) 804 ri->ri_flg |= RI_CURSORCLIP; 805 else if (col < 0 || col >= ri->ri_cols) 806 ri->ri_flg |= RI_CURSORCLIP; 807 #endif 808 ri->ri_crow = row; 809 ri->ri_ccol = col; 810 811 if (on) { 812 ri->ri_flg |= RI_CURSOR; 813 #ifdef RASOPS_CLIPPING 814 if ((ri->ri_flg & RI_CURSORCLIP) == 0) 815 #endif 816 ri->ri_do_cursor(ri); 817 } else 818 ri->ri_flg &= ~RI_CURSOR; 819 } 820 821 /* 822 * Make the device colormap 823 */ 824 static void 825 rasops_init_devcmap(struct rasops_info *ri) 826 { 827 int i; 828 uint32_t c; 829 const uint8_t *p; 830 831 switch (ri->ri_depth) { 832 case 1: 833 ri->ri_devcmap[0] = 0; 834 for (i = 1; i < 16; i++) 835 ri->ri_devcmap[i] = -1; 836 return; 837 838 case 2: 839 for (i = 1; i < 15; i++) 840 ri->ri_devcmap[i] = 0xaaaaaaaa; 841 842 ri->ri_devcmap[0] = 0; 843 ri->ri_devcmap[8] = 0x55555555; 844 ri->ri_devcmap[15] = -1; 845 return; 846 847 #ifdef RASOPS_APPLE_PALETTE 848 case 4: 849 for (i = 0; i < 16; i++) { 850 c = apple4_devcmap[i]; 851 ri->ri_devcmap[i] = 852 (c << 0) | (c << 4) | (c << 8) | (c << 12) | 853 (c << 16) | (c << 20) | (c << 24) | (c << 28); 854 } 855 return; 856 #else 857 /* XXXRO What should we do here? */ 858 #endif 859 860 case 8: 861 if ((ri->ri_flg & RI_8BIT_IS_RGB) == 0) { 862 for (i = 0; i < 16; i++) { 863 #ifdef RASOPS_APPLE_PALETTE 864 c = apple8_devcmap[i]; 865 #else 866 c = i; 867 #endif 868 ri->ri_devcmap[i] = 869 c | (c << 8) | (c << 16) | (c << 24); 870 } 871 return; 872 } 873 } 874 875 p = rasops_cmap; 876 877 for (i = 0; i < 16; i++) { 878 if (ri->ri_rnum <= 8) 879 c = (uint32_t)(*p >> (8 - ri->ri_rnum)) << ri->ri_rpos; 880 else 881 c = (uint32_t)(*p << (ri->ri_rnum - 8)) << ri->ri_rpos; 882 p++; 883 884 if (ri->ri_gnum <= 8) 885 c |= (uint32_t)(*p >> (8 - ri->ri_gnum)) << ri->ri_gpos; 886 else 887 c |= (uint32_t)(*p << (ri->ri_gnum - 8)) << ri->ri_gpos; 888 p++; 889 890 if (ri->ri_bnum <= 8) 891 c |= (uint32_t)(*p >> (8 - ri->ri_bnum)) << ri->ri_bpos; 892 else 893 c |= (uint32_t)(*p << (ri->ri_bnum - 8)) << ri->ri_bpos; 894 p++; 895 896 /* Fill the word for generic routines, which want this */ 897 if (ri->ri_depth == 8) { 898 c |= c << 8; 899 c |= c << 16; 900 } else if (ri->ri_depth == 15 || ri->ri_depth == 16) 901 c |= c << 16; 902 else if (ri->ri_depth == 24) { 903 #if BYTE_ORDER == LITTLE_ENDIAN 904 # ifndef RASOPS_SMALL 905 if (ri->ri_font->fontwidth != 12) 906 # endif 907 c = (c & 0x0000ff) << 16 | (c & 0x00ff00) | 908 (c & 0xff0000) >> 16; 909 # ifndef RASOPS_SMALL 910 else 911 c = (c & 0x0000ff) | (c & 0x00ff00) << 8 | 912 (c & 0xff0000) >> 8; 913 # endif 914 #else 915 /* XXXRO What should we do here? */ 916 #endif 917 c |= (c & 0xff) << 24; 918 } 919 920 /* 24bpp does bswap on the fly. {32,16,15}bpp do it here. */ 921 if ((ri->ri_flg & RI_BSWAP) == 0) 922 ri->ri_devcmap[i] = c; 923 else if (ri->ri_depth == 15 || ri->ri_depth == 16) 924 ri->ri_devcmap[i] = bswap16(c); 925 else if (ri->ri_depth == 32) 926 ri->ri_devcmap[i] = bswap32(c); 927 else /* 8, 24 */ 928 ri->ri_devcmap[i] = c; 929 } 930 } 931 932 /* 933 * Unpack a rasops attribute 934 */ 935 void 936 rasops_unpack_attr(long attr, int *fg, int *bg, int *underline) 937 { 938 939 *fg = ((uint32_t)attr >> 24) & 0xf; 940 *bg = ((uint32_t)attr >> 16) & 0xf; 941 if (underline != NULL) 942 *underline = (uint32_t)attr & WSATTR_UNDERLINE; 943 } 944 945 /* 946 * Erase rows. This isn't static, since 24-bpp uses it in special cases. 947 */ 948 void 949 rasops_eraserows(void *cookie, int row, int num, long attr) 950 { 951 struct rasops_info *ri = (struct rasops_info *)cookie; 952 uint32_t *rp, *dp, *hp, clr; 953 int n, cnt; 954 955 hp = NULL; /* XXX GCC */ 956 957 #ifdef RASOPS_CLIPPING 958 if (row < 0) { 959 num += row; 960 row = 0; 961 } 962 963 if (row + num > ri->ri_rows) 964 num = ri->ri_rows - row; 965 966 if (num <= 0) 967 return; 968 #endif 969 970 clr = ri->ri_devcmap[((uint32_t)attr >> 16) & 0xf]; 971 972 /* 973 * XXX The wsdisplay_emulops interface seems a little deficient in 974 * that there is no way to clear the *entire* screen. We provide a 975 * workaround here: if the entire console area is being cleared, and 976 * the RI_FULLCLEAR flag is set, clear the entire display. 977 */ 978 if (num == ri->ri_rows && (ri->ri_flg & RI_FULLCLEAR) != 0) { 979 n = ri->ri_stride >> 2; 980 num = ri->ri_height; 981 rp = (uint32_t *)ri->ri_origbits; 982 if (ri->ri_hwbits) 983 hp = (uint32_t *)ri->ri_hworigbits; 984 } else { 985 n = ri->ri_emustride >> 2; 986 num *= ri->ri_font->fontheight; 987 rp = (uint32_t *)(ri->ri_bits + row * ri->ri_yscale); 988 if (ri->ri_hwbits) 989 hp = (uint32_t *)(ri->ri_hwbits + row * ri->ri_yscale); 990 } 991 992 while (num--) { 993 dp = rp; 994 for (cnt = n; cnt; cnt--) 995 *dp++ = clr; 996 if (ri->ri_hwbits) { 997 memcpy(hp, rp, n << 2); 998 DELTA(hp, ri->ri_stride, uint32_t *); 999 } 1000 DELTA(rp, ri->ri_stride, uint32_t *); 1001 } 1002 } 1003 1004 /* 1005 * Actually turn the cursor on or off. This does the dirty work for 1006 * rasops_cursor(). 1007 */ 1008 static void 1009 rasops_do_cursor(struct rasops_info *ri) 1010 { 1011 int full, height, cnt, slop1, slop2, row, col; 1012 uint32_t tmp32, msk1, msk2; 1013 uint8_t tmp8; 1014 uint8_t *dp, *rp, *hp; 1015 1016 hp = NULL; /* XXX GCC */ 1017 1018 #if NRASOPS_ROTATION > 0 1019 if (ri->ri_flg & RI_ROTATE_MASK) { 1020 if (ri->ri_flg & RI_ROTATE_CW) { 1021 /* Rotate rows/columns */ 1022 row = ri->ri_ccol; 1023 col = ri->ri_rows - ri->ri_crow - 1; 1024 } else if (ri->ri_flg & RI_ROTATE_CCW) { 1025 /* Rotate rows/columns */ 1026 row = ri->ri_cols - ri->ri_ccol - 1; 1027 col = ri->ri_crow; 1028 } else { /* upside-down */ 1029 row = ri->ri_crow; 1030 col = ri->ri_ccol; 1031 } 1032 } else 1033 #endif 1034 { 1035 row = ri->ri_crow; 1036 col = ri->ri_ccol; 1037 } 1038 1039 rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale; 1040 if (ri->ri_hwbits) 1041 hp = ri->ri_hwbits + row * ri->ri_yscale + col * ri->ri_xscale; 1042 height = ri->ri_font->fontheight; 1043 1044 /* 1045 * For ri_xscale = 1: 1046 * 1047 * Logic below does not work for ri_xscale = 1, e.g., 1048 * fontwidth = 8 and bpp = 1. So we take care of it. 1049 */ 1050 if (ri->ri_xscale == 1) { 1051 while (height--) { 1052 tmp8 = ~*rp; 1053 1054 *rp = tmp8; 1055 rp += ri->ri_stride; 1056 1057 if (ri->ri_hwbits) { 1058 *hp = tmp8; 1059 hp += ri->ri_stride; 1060 } 1061 } 1062 return; 1063 } 1064 1065 /* 1066 * For ri_xscale = 2, 3, 4, ...: 1067 * 1068 * Note that siop1 <= ri_xscale even for ri_xscale = 2, 1069 * since rp % 3 = 0 or 2 (ri_stride % 4 = 0). 1070 */ 1071 slop1 = (4 - ((uintptr_t)rp & 3)) & 3; 1072 slop2 = (ri->ri_xscale - slop1) & 3; 1073 full = (ri->ri_xscale - slop1 /* - slop2 */) >> 2; 1074 1075 rp = (uint8_t *)((uintptr_t)rp & ~3); 1076 hp = (uint8_t *)((uintptr_t)hp & ~3); 1077 1078 msk1 = !slop1 ? 0 : be32toh(0xffffffffU >> (32 - (8 * slop1))); 1079 msk2 = !slop2 ? 0 : be32toh(0xffffffffU << (32 - (8 * slop2))); 1080 1081 while (height--) { 1082 dp = rp; 1083 1084 if (slop1) { 1085 tmp32 = *(uint32_t *)dp ^ msk1; 1086 *(uint32_t *)dp = tmp32; 1087 dp += 4; 1088 } 1089 1090 for (cnt = full; cnt; cnt--) { 1091 tmp32 = ~*(uint32_t *)dp; 1092 *(uint32_t *)dp = tmp32; 1093 dp += 4; 1094 } 1095 1096 if (slop2) { 1097 tmp32 = *(uint32_t *)dp ^ msk2; 1098 *(uint32_t *)dp = tmp32; 1099 } 1100 1101 if (ri->ri_hwbits) { 1102 memcpy(hp, rp, ((slop1 != 0) + full + 1103 (slop2 != 0)) << 2); 1104 hp += ri->ri_stride; 1105 } 1106 rp += ri->ri_stride; 1107 } 1108 } 1109 1110 /* 1111 * Erase columns. 1112 */ 1113 void 1114 rasops_erasecols(void *cookie, int row, int col, int num, long attr) 1115 { 1116 struct rasops_info *ri = (struct rasops_info *)cookie; 1117 int height, cnt, slop1, slop2, clr; 1118 uint32_t *rp, *dp, *hp; 1119 1120 hp = NULL; /* XXX GCC */ 1121 1122 #ifdef RASOPS_CLIPPING 1123 if ((unsigned)row >= (unsigned)ri->ri_rows) 1124 return; 1125 1126 if (col < 0) { 1127 num += col; 1128 col = 0; 1129 } 1130 1131 if (col + num > ri->ri_cols) 1132 num = ri->ri_cols - col; 1133 1134 if (num <= 0) 1135 return; 1136 #endif 1137 1138 num *= ri->ri_xscale; 1139 rp = (uint32_t *)(ri->ri_bits + row*ri->ri_yscale + col*ri->ri_xscale); 1140 if (ri->ri_hwbits) 1141 hp = (uint32_t *)(ri->ri_hwbits + row*ri->ri_yscale + 1142 col*ri->ri_xscale); 1143 height = ri->ri_font->fontheight; 1144 clr = ri->ri_devcmap[((uint32_t)attr >> 16) & 0xf]; 1145 1146 /* Don't bother using the full loop for <= 32 pels */ 1147 if (num <= 32) { 1148 if (((num | ri->ri_xscale) & 3) == 0) { 1149 /* Word aligned blt */ 1150 num >>= 2; 1151 1152 while (height--) { 1153 dp = rp; 1154 for (cnt = num; cnt; cnt--) 1155 *dp++ = clr; 1156 if (ri->ri_hwbits) { 1157 memcpy(hp, rp, num << 2); 1158 DELTA(hp, ri->ri_stride, uint32_t *); 1159 } 1160 DELTA(rp, ri->ri_stride, uint32_t *); 1161 } 1162 } else if (((num | ri->ri_xscale) & 1) == 0) { 1163 /* 1164 * Halfword aligned blt. This is needed so the 1165 * 15/16 bit ops can use this function. 1166 */ 1167 num >>= 1; 1168 1169 while (height--) { 1170 dp = rp; 1171 for (cnt = num; cnt; cnt--) { 1172 *(uint16_t *)dp = clr; 1173 DELTA(dp, 2, uint32_t *); 1174 } 1175 if (ri->ri_hwbits) { 1176 memcpy(hp, rp, num << 1); 1177 DELTA(hp, ri->ri_stride, uint32_t *); 1178 } 1179 DELTA(rp, ri->ri_stride, uint32_t *); 1180 } 1181 } else { 1182 while (height--) { 1183 dp = rp; 1184 for (cnt = num; cnt; cnt--) { 1185 *(uint8_t *)dp = clr; 1186 DELTA(dp, 1, uint32_t *); 1187 } 1188 if (ri->ri_hwbits) { 1189 memcpy(hp, rp, num); 1190 DELTA(hp, ri->ri_stride, uint32_t *); 1191 } 1192 DELTA(rp, ri->ri_stride, uint32_t *); 1193 } 1194 } 1195 1196 return; 1197 } 1198 1199 slop1 = (4 - ((uintptr_t)rp & 3)) & 3; 1200 slop2 = (num - slop1) & 3; 1201 num = (num - slop1 /* - slop2 */) >> 2; 1202 1203 while (height--) { 1204 dp = rp; 1205 1206 /* Align span to 4 bytes */ 1207 if (slop1 & 1) { 1208 *(uint8_t *)dp = clr; 1209 DELTA(dp, 1, uint32_t *); 1210 } 1211 1212 if (slop1 & 2) { 1213 *(uint16_t *)dp = clr; 1214 DELTA(dp, 2, uint32_t *); 1215 } 1216 1217 /* Write 4 bytes per loop */ 1218 for (cnt = num; cnt; cnt--) 1219 *dp++ = clr; 1220 1221 /* Write unaligned trailing slop */ 1222 if (slop2 & 1) { 1223 *(uint8_t *)dp = clr; 1224 DELTA(dp, 1, uint32_t *); 1225 } 1226 1227 if (slop2 & 2) 1228 *(uint16_t *)dp = clr; 1229 1230 if (ri->ri_hwbits) { 1231 memcpy(hp, rp, slop1 + (num << 2) + slop2); 1232 DELTA(hp, ri->ri_stride, uint32_t *); 1233 } 1234 DELTA(rp, ri->ri_stride, uint32_t *); 1235 } 1236 } 1237 1238 #if NRASOPS_ROTATION > 0 1239 /* 1240 * Quarter clockwise rotation routines (originally intended for the 1241 * built-in Zaurus C3x00 display in 16bpp). 1242 */ 1243 1244 static void 1245 rasops_rotate_font(int *cookie, int rotate) 1246 { 1247 struct rotatedfont *f; 1248 int ncookie; 1249 1250 SLIST_FOREACH(f, &rotatedfonts, rf_next) { 1251 if (f->rf_cookie == *cookie) { 1252 *cookie = f->rf_rotated; 1253 return; 1254 } 1255 } 1256 1257 /* 1258 * We did not find a rotated version of this font. Ask the wsfont 1259 * code to compute one for us. 1260 */ 1261 1262 f = kmem_alloc(sizeof(*f), KM_SLEEP); 1263 1264 if ((ncookie = wsfont_rotate(*cookie, rotate)) == -1) 1265 goto fail; 1266 1267 f->rf_cookie = *cookie; 1268 f->rf_rotated = ncookie; 1269 SLIST_INSERT_HEAD(&rotatedfonts, f, rf_next); 1270 1271 *cookie = ncookie; 1272 return; 1273 1274 fail: kmem_free(f, sizeof(*f)); 1275 return; 1276 } 1277 1278 static void 1279 rasops_copychar(void *cookie, int srcrow, int dstrow, int srccol, int dstcol) 1280 { 1281 struct rasops_info *ri = (struct rasops_info *)cookie; 1282 int height; 1283 int r_srcrow, r_dstrow, r_srccol, r_dstcol; 1284 uint8_t *sp, *dp; 1285 1286 r_srcrow = srccol; 1287 r_dstrow = dstcol; 1288 r_srccol = ri->ri_rows - srcrow - 1; 1289 r_dstcol = ri->ri_rows - dstrow - 1; 1290 1291 r_srcrow *= ri->ri_yscale; 1292 r_dstrow *= ri->ri_yscale; 1293 height = ri->ri_font->fontheight; 1294 1295 sp = ri->ri_bits + r_srcrow + r_srccol * ri->ri_xscale; 1296 dp = ri->ri_bits + r_dstrow + r_dstcol * ri->ri_xscale; 1297 1298 while (height--) { 1299 memmove(dp, sp, ri->ri_xscale); 1300 dp += ri->ri_stride; 1301 sp += ri->ri_stride; 1302 } 1303 } 1304 1305 static void 1306 rasops_putchar_rotated_cw(void *cookie, int row, int col, u_int uc, long attr) 1307 { 1308 struct rasops_info *ri = (struct rasops_info *)cookie; 1309 int height; 1310 uint8_t *rp; 1311 1312 if (__predict_false((unsigned int)row > ri->ri_rows || 1313 (unsigned int)col > ri->ri_cols)) 1314 return; 1315 1316 /* Avoid underflow */ 1317 if (ri->ri_rows - row - 1 < 0) 1318 return; 1319 1320 /* Do rotated char sans (side)underline */ 1321 ri->ri_real_ops.putchar(cookie, col, ri->ri_rows - row - 1, uc, 1322 attr & ~WSATTR_UNDERLINE); 1323 1324 /* Do rotated underline */ 1325 rp = ri->ri_bits + col * ri->ri_yscale + (ri->ri_rows - row - 1) * 1326 ri->ri_xscale; 1327 height = ri->ri_font->fontheight; 1328 1329 /* XXX this assumes 16-bit color depth */ 1330 if ((attr & WSATTR_UNDERLINE) != 0) { 1331 uint16_t c = 1332 (uint16_t)ri->ri_devcmap[((uint32_t)attr >> 24) & 0xf]; 1333 1334 while (height--) { 1335 *(uint16_t *)rp = c; 1336 rp += ri->ri_stride; 1337 } 1338 } 1339 } 1340 1341 static void 1342 rasops_erasecols_rotated_cw(void *cookie, int row, int col, int num, long attr) 1343 { 1344 struct rasops_info *ri = (struct rasops_info *)cookie; 1345 int i; 1346 1347 for (i = col; i < col + num; i++) 1348 ri->ri_ops.putchar(cookie, row, i, ' ', attr); 1349 } 1350 1351 /* XXX: these could likely be optimised somewhat. */ 1352 static void 1353 rasops_copyrows_rotated_cw(void *cookie, int src, int dst, int num) 1354 { 1355 struct rasops_info *ri = (struct rasops_info *)cookie; 1356 int col, roff; 1357 1358 if (src > dst) 1359 for (roff = 0; roff < num; roff++) 1360 for (col = 0; col < ri->ri_cols; col++) 1361 rasops_copychar(cookie, src + roff, dst + roff, 1362 col, col); 1363 else 1364 for (roff = num - 1; roff >= 0; roff--) 1365 for (col = 0; col < ri->ri_cols; col++) 1366 rasops_copychar(cookie, src + roff, dst + roff, 1367 col, col); 1368 } 1369 1370 static void 1371 rasops_copycols_rotated_cw(void *cookie, int row, int src, int dst, int num) 1372 { 1373 int coff; 1374 1375 if (src > dst) 1376 for (coff = 0; coff < num; coff++) 1377 rasops_copychar(cookie, row, row, src + coff, 1378 dst + coff); 1379 else 1380 for (coff = num - 1; coff >= 0; coff--) 1381 rasops_copychar(cookie, row, row, src + coff, 1382 dst + coff); 1383 } 1384 1385 static void 1386 rasops_eraserows_rotated_cw(void *cookie, int row, int num, long attr) 1387 { 1388 struct rasops_info *ri = (struct rasops_info *)cookie; 1389 int col, rn; 1390 1391 for (rn = row; rn < row + num; rn++) 1392 for (col = 0; col < ri->ri_cols; col++) 1393 ri->ri_ops.putchar(cookie, rn, col, ' ', attr); 1394 } 1395 1396 /* 1397 * Quarter counter-clockwise rotation routines (originally intended for the 1398 * built-in Sharp W-ZERO3 display in 16bpp). 1399 */ 1400 static void 1401 rasops_copychar_ccw(void *cookie, int srcrow, int dstrow, int srccol, 1402 int dstcol) 1403 { 1404 struct rasops_info *ri = (struct rasops_info *)cookie; 1405 int height, r_srcrow, r_dstrow, r_srccol, r_dstcol; 1406 uint8_t *sp, *dp; 1407 1408 r_srcrow = ri->ri_cols - srccol - 1; 1409 r_dstrow = ri->ri_cols - dstcol - 1; 1410 r_srccol = srcrow; 1411 r_dstcol = dstrow; 1412 1413 r_srcrow *= ri->ri_yscale; 1414 r_dstrow *= ri->ri_yscale; 1415 height = ri->ri_font->fontheight; 1416 1417 sp = ri->ri_bits + r_srcrow + r_srccol * ri->ri_xscale; 1418 dp = ri->ri_bits + r_dstrow + r_dstcol * ri->ri_xscale; 1419 1420 while (height--) { 1421 memmove(dp, sp, ri->ri_xscale); 1422 dp += ri->ri_stride; 1423 sp += ri->ri_stride; 1424 } 1425 } 1426 1427 static void 1428 rasops_putchar_rotated_ccw(void *cookie, int row, int col, u_int uc, long attr) 1429 { 1430 struct rasops_info *ri = (struct rasops_info *)cookie; 1431 int height; 1432 uint8_t *rp; 1433 1434 if (__predict_false((unsigned int)row > ri->ri_rows || 1435 (unsigned int)col > ri->ri_cols)) 1436 return; 1437 1438 /* Avoid underflow */ 1439 if (ri->ri_cols - col - 1 < 0) 1440 return; 1441 1442 /* Do rotated char sans (side)underline */ 1443 ri->ri_real_ops.putchar(cookie, ri->ri_cols - col - 1, row, uc, 1444 attr & ~WSATTR_UNDERLINE); 1445 1446 /* Do rotated underline */ 1447 rp = ri->ri_bits + (ri->ri_cols - col - 1) * ri->ri_yscale + 1448 row * ri->ri_xscale + 1449 (ri->ri_font->fontwidth - 1) * ri->ri_pelbytes; 1450 height = ri->ri_font->fontheight; 1451 1452 /* XXX this assumes 16-bit color depth */ 1453 if ((attr & WSATTR_UNDERLINE) != 0) { 1454 uint16_t c = 1455 (uint16_t)ri->ri_devcmap[((uint32_t)attr >> 24) & 0xf]; 1456 1457 while (height--) { 1458 *(uint16_t *)rp = c; 1459 rp += ri->ri_stride; 1460 } 1461 } 1462 } 1463 1464 /* XXX: these could likely be optimised somewhat. */ 1465 static void 1466 rasops_copyrows_rotated_ccw(void *cookie, int src, int dst, int num) 1467 { 1468 struct rasops_info *ri = (struct rasops_info *)cookie; 1469 int col, roff; 1470 1471 if (src > dst) 1472 for (roff = 0; roff < num; roff++) 1473 for (col = 0; col < ri->ri_cols; col++) 1474 rasops_copychar_ccw(cookie, 1475 src + roff, dst + roff, col, col); 1476 else 1477 for (roff = num - 1; roff >= 0; roff--) 1478 for (col = 0; col < ri->ri_cols; col++) 1479 rasops_copychar_ccw(cookie, 1480 src + roff, dst + roff, col, col); 1481 } 1482 1483 static void 1484 rasops_copycols_rotated_ccw(void *cookie, int row, int src, int dst, int num) 1485 { 1486 int coff; 1487 1488 if (src > dst) 1489 for (coff = 0; coff < num; coff++) 1490 rasops_copychar_ccw(cookie, row, row, 1491 src + coff, dst + coff); 1492 else 1493 for (coff = num - 1; coff >= 0; coff--) 1494 rasops_copychar_ccw(cookie, row, row, 1495 src + coff, dst + coff); 1496 } 1497 #endif /* NRASOPS_ROTATION */ 1498 1499 void 1500 rasops_make_box_chars_16(struct rasops_info *ri) 1501 { 1502 int c, i, mid; 1503 uint16_t vert_mask, hmask_left, hmask_right; 1504 uint16_t *data = (uint16_t *)ri->ri_optfont.data; 1505 1506 vert_mask = 0xc000U >> ((ri->ri_font->fontwidth >> 1) - 1); 1507 hmask_left = 0xff00U << (8 - (ri->ri_font->fontwidth >> 1)); 1508 hmask_right = hmask_left >> ((ri->ri_font->fontwidth + 1) >> 1); 1509 mid = (ri->ri_font->fontheight + 1) >> 1; 1510 1511 /* 0x00 would be empty anyway so don't bother */ 1512 for (c = 1; c < 16; c++) { 1513 data += ri->ri_font->fontheight; 1514 if (c & 1) { 1515 /* upper segment */ 1516 for (i = 0; i < mid; i++) 1517 data[i] = vert_mask; 1518 } 1519 if (c & 4) { 1520 /* lower segment */ 1521 for (i = mid; i < ri->ri_font->fontheight; i++) 1522 data[i] = vert_mask; 1523 } 1524 if (c & 2) { 1525 /* right segment */ 1526 i = ri->ri_font->fontheight >> 1; 1527 data[mid - 1] |= hmask_right; 1528 data[mid] |= hmask_right; 1529 } 1530 if (c & 8) { 1531 /* left segment */ 1532 data[mid - 1] |= hmask_left; 1533 data[mid] |= hmask_left; 1534 } 1535 } 1536 } 1537 1538 void 1539 rasops_make_box_chars_8(struct rasops_info *ri) 1540 { 1541 int c, i, mid; 1542 uint8_t vert_mask, hmask_left, hmask_right; 1543 uint8_t *data = (uint8_t *)ri->ri_optfont.data; 1544 1545 vert_mask = 0xc0U >> ((ri->ri_font->fontwidth >> 1) - 1); 1546 hmask_left = 0xf0U << (4 - (ri->ri_font->fontwidth >> 1)); 1547 hmask_right = hmask_left >> ((ri->ri_font->fontwidth + 1) >> 1); 1548 mid = (ri->ri_font->fontheight + 1) >> 1; 1549 1550 /* 0x00 would be empty anyway so don't bother */ 1551 for (c = 1; c < 16; c++) { 1552 data += ri->ri_font->fontheight; 1553 if (c & 1) { 1554 /* upper segment */ 1555 for (i = 0; i < mid; i++) 1556 data[i] = vert_mask; 1557 } 1558 if (c & 4) { 1559 /* lower segment */ 1560 for (i = mid; i < ri->ri_font->fontheight; i++) 1561 data[i] = vert_mask; 1562 } 1563 if (c & 2) { 1564 /* right segment */ 1565 i = ri->ri_font->fontheight >> 1; 1566 data[mid - 1] |= hmask_right; 1567 data[mid] |= hmask_right; 1568 } 1569 if (c & 8) { 1570 /* left segment */ 1571 data[mid - 1] |= hmask_left; 1572 data[mid] |= hmask_left; 1573 } 1574 } 1575 } 1576 1577 void 1578 rasops_make_box_chars_32(struct rasops_info *ri) 1579 { 1580 int c, i, mid; 1581 uint32_t vert_mask, hmask_left, hmask_right; 1582 uint32_t *data = (uint32_t *)ri->ri_optfont.data; 1583 1584 vert_mask = 0xc0000000U >> ((ri->ri_font->fontwidth >> 1) - 1); 1585 hmask_left = 0xffff0000U << (16 - (ri->ri_font->fontwidth >> 1)); 1586 hmask_right = hmask_left >> ((ri->ri_font->fontwidth + 1) >> 1); 1587 mid = (ri->ri_font->fontheight + 1) >> 1; 1588 1589 /* 0x00 would be empty anyway so don't bother */ 1590 for (c = 1; c < 16; c++) { 1591 data += ri->ri_font->fontheight; 1592 if (c & 1) { 1593 /* upper segment */ 1594 for (i = 0; i < mid; i++) 1595 data[i] = vert_mask; 1596 } 1597 if (c & 4) { 1598 /* lower segment */ 1599 for (i = mid; i < ri->ri_font->fontheight; i++) 1600 data[i] = vert_mask; 1601 } 1602 if (c & 2) { 1603 /* right segment */ 1604 i = ri->ri_font->fontheight >> 1; 1605 data[mid - 1] |= hmask_right; 1606 data[mid] |= hmask_right; 1607 } 1608 if (c & 8) { 1609 /* left segment */ 1610 data[mid - 1] |= hmask_left; 1611 data[mid] |= hmask_left; 1612 } 1613 } 1614 } 1615 1616 void 1617 rasops_make_box_chars_alpha(struct rasops_info *ri) 1618 { 1619 int c, i, hmid, vmid, wi, he; 1620 uint8_t *data = (uint8_t *)ri->ri_optfont.data; 1621 uint8_t *ddata; 1622 1623 he = ri->ri_font->fontheight; 1624 wi = ri->ri_font->fontwidth; 1625 1626 vmid = (he + 1) >> 1; 1627 hmid = (wi + 1) >> 1; 1628 1629 /* 0x00 would be empty anyway so don't bother */ 1630 for (c = 1; c < 16; c++) { 1631 data += ri->ri_fontscale; 1632 if (c & 1) { 1633 /* upper segment */ 1634 ddata = data + hmid; 1635 for (i = 0; i <= vmid; i++) { 1636 *ddata = 0xff; 1637 ddata += wi; 1638 } 1639 } 1640 if (c & 4) { 1641 /* lower segment */ 1642 ddata = data + wi * vmid + hmid; 1643 for (i = vmid; i < he; i++) { 1644 *ddata = 0xff; 1645 ddata += wi; 1646 } 1647 } 1648 if (c & 2) { 1649 /* right segment */ 1650 ddata = data + wi * vmid + hmid; 1651 for (i = hmid; i < wi; i++) { 1652 *ddata = 0xff; 1653 ddata++; 1654 } 1655 } 1656 if (c & 8) { 1657 /* left segment */ 1658 ddata = data + wi * vmid; 1659 for (i = 0; i <= hmid; i++) { 1660 *ddata = 0xff; 1661 ddata++; 1662 } 1663 } 1664 } 1665 } 1666 1667 /* 1668 * Return a colour map appropriate for the given struct rasops_info in the 1669 * same form used by rasops_cmap[] 1670 * For now this is either a copy of rasops_cmap[] or an R3G3B2 map, it should 1671 * probably be a linear ( or gamma corrected? ) ramp for higher depths. 1672 */ 1673 1674 int 1675 rasops_get_cmap(struct rasops_info *ri, uint8_t *palette, size_t bytes) 1676 { 1677 1678 if ((ri->ri_depth == 8) && ((ri->ri_flg & RI_8BIT_IS_RGB) != 0)) { 1679 /* generate an R3G3B2 palette */ 1680 int i, idx = 0; 1681 uint8_t tmp; 1682 1683 if (bytes < 768) 1684 return EINVAL; 1685 for (i = 0; i < 256; i++) { 1686 tmp = i & 0xe0; 1687 /* 1688 * replicate bits so 0xe0 maps to a red value of 0xff 1689 * in order to make white look actually white 1690 */ 1691 tmp |= (tmp >> 3) | (tmp >> 6); 1692 palette[idx] = tmp; 1693 idx++; 1694 1695 tmp = (i & 0x1c) << 3; 1696 tmp |= (tmp >> 3) | (tmp >> 6); 1697 palette[idx] = tmp; 1698 idx++; 1699 1700 tmp = (i & 0x03) << 6; 1701 tmp |= tmp >> 2; 1702 tmp |= tmp >> 4; 1703 palette[idx] = tmp; 1704 idx++; 1705 } 1706 } else 1707 memcpy(palette, rasops_cmap, uimin(bytes, sizeof(rasops_cmap))); 1708 return 0; 1709 } 1710
Indexes created Wed Sep 24 02:09:48 GMT 2025