rasops.c revision 1.93
1 /* $NetBSD: rasops.c,v 1.93 2019/07/28 10:24:08 martin 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 1.93 2019/07/28 10:24:08 martin 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 #include <dev/rasops/rasops.h> 51 52 #ifndef _KERNEL 53 #include <errno.h> 54 #endif 55 56 #ifdef RASOPS_DEBUG 57 #define DPRINTF(...) aprint_error(...) 58 #else 59 #define DPRINTF(...) __nothing 60 #endif 61 62 struct rasops_matchdata { 63 struct rasops_info *ri; 64 int wantcols, wantrows; 65 int bestscore; 66 struct wsdisplay_font *pick; 67 int ident; 68 }; 69 70 /* ANSI colormap (R,G,B). Upper 8 are high-intensity */ 71 const uint8_t rasops_cmap[256 * 3] = { 72 0x00, 0x00, 0x00, /* black */ 73 0x7f, 0x00, 0x00, /* red */ 74 0x00, 0x7f, 0x00, /* green */ 75 0x7f, 0x7f, 0x00, /* brown */ 76 0x00, 0x00, 0x7f, /* blue */ 77 0x7f, 0x00, 0x7f, /* magenta */ 78 0x00, 0x7f, 0x7f, /* cyan */ 79 0xc7, 0xc7, 0xc7, /* white - XXX too dim? */ 80 81 0x7f, 0x7f, 0x7f, /* black */ 82 0xff, 0x00, 0x00, /* red */ 83 0x00, 0xff, 0x00, /* green */ 84 0xff, 0xff, 0x00, /* brown */ 85 0x00, 0x00, 0xff, /* blue */ 86 0xff, 0x00, 0xff, /* magenta */ 87 0x00, 0xff, 0xff, /* cyan */ 88 0xff, 0xff, 0xff, /* white */ 89 90 /* 91 * For the cursor, we need at least the last (255th) 92 * color to be white. Fill up white completely for 93 * simplicity. 94 */ 95 #define _CMWHITE 0xff, 0xff, 0xff, 96 #define _CMWHITE16 _CMWHITE _CMWHITE _CMWHITE _CMWHITE \ 97 _CMWHITE _CMWHITE _CMWHITE _CMWHITE \ 98 _CMWHITE _CMWHITE _CMWHITE _CMWHITE \ 99 _CMWHITE _CMWHITE _CMWHITE _CMWHITE 100 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 101 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 102 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 /* but not the last one */ 103 #undef _CMWHITE16 104 #undef _CMWHITE 105 106 /* 107 * For the cursor the fg/bg indices are bit inverted, so 108 * provide complimentary colors in the upper 16 entries. 109 */ 110 0x7f, 0x7f, 0x7f, /* black */ 111 0xff, 0x00, 0x00, /* red */ 112 0x00, 0xff, 0x00, /* green */ 113 0xff, 0xff, 0x00, /* brown */ 114 0x00, 0x00, 0xff, /* blue */ 115 0xff, 0x00, 0xff, /* magenta */ 116 0x00, 0xff, 0xff, /* cyan */ 117 0xff, 0xff, 0xff, /* white */ 118 119 0x00, 0x00, 0x00, /* black */ 120 0x7f, 0x00, 0x00, /* red */ 121 0x00, 0x7f, 0x00, /* green */ 122 0x7f, 0x7f, 0x00, /* brown */ 123 0x00, 0x00, 0x7f, /* blue */ 124 0x7f, 0x00, 0x7f, /* magenta */ 125 0x00, 0x7f, 0x7f, /* cyan */ 126 0xc7, 0xc7, 0xc7, /* white - XXX too dim? */ 127 }; 128 129 /* True if color is gray */ 130 const uint8_t rasops_isgray[16] = { 131 1, 0, 0, 0, 132 0, 0, 0, 1, 133 1, 0, 0, 0, 134 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 int rasops_mapchar(void *, int, u_int *); 185 static void rasops_cursor(void *, int, int, int); 186 static int rasops_allocattr_color(void *, int, int, int, long *); 187 static int rasops_allocattr_mono(void *, int, int, int, long *); 188 static void rasops_do_cursor(struct rasops_info *); 189 static void rasops_init_devcmap(struct rasops_info *); 190 191 #if NRASOPS_ROTATION > 0 192 static void rasops_rotate_font(int *, int); 193 static void rasops_copychar(void *, int, int, int, int); 194 195 /* rotate clockwise */ 196 static void rasops_copycols_rotated_cw(void *, int, int, int, int); 197 static void rasops_copyrows_rotated_cw(void *, int, int, int); 198 static void rasops_erasecols_rotated_cw(void *, int, int, int, long); 199 static void rasops_eraserows_rotated_cw(void *, int, int, long); 200 static void rasops_putchar_rotated_cw(void *, int, int, u_int, long); 201 202 /* rotate counter-clockwise */ 203 static void rasops_copychar_ccw(void *, int, int, int, int); 204 static void rasops_copycols_rotated_ccw(void *, int, int, int, int); 205 static void rasops_copyrows_rotated_ccw(void *, int, int, int); 206 #define rasops_erasecols_rotated_ccw rasops_erasecols_rotated_cw 207 #define rasops_eraserows_rotated_ccw rasops_eraserows_rotated_cw 208 static void rasops_putchar_rotated_ccw(void *, int, int, u_int, long); 209 210 /* 211 * List of all rotated fonts 212 */ 213 SLIST_HEAD(, rotatedfont) rotatedfonts = SLIST_HEAD_INITIALIZER(rotatedfonts); 214 struct rotatedfont { 215 SLIST_ENTRY(rotatedfont) rf_next; 216 int rf_cookie; 217 int rf_rotated; 218 }; 219 #endif /* NRASOPS_ROTATION > 0 */ 220 221 void rasops_make_box_chars_8(struct rasops_info *); 222 void rasops_make_box_chars_16(struct rasops_info *); 223 void rasops_make_box_chars_32(struct rasops_info *); 224 void rasops_make_box_chars_alpha(struct rasops_info *); 225 226 extern int cold; 227 228 /* 229 * Initialize a 'rasops_info' descriptor. 230 */ 231 int 232 rasops_init(struct rasops_info *ri, int wantrows, int wantcols) 233 { 234 235 memset (&ri->ri_optfont, 0, sizeof(ri->ri_optfont)); 236 #ifdef _KERNEL 237 /* Select a font if the caller doesn't care */ 238 if (ri->ri_font == NULL) { 239 int cookie = -1; 240 int flags; 241 242 wsfont_init(); 243 244 /* 245 * first, try to find something that's as close as possible 246 * to the caller's requested terminal size 247 */ 248 if (wantrows == 0) 249 wantrows = RASOPS_DEFAULT_HEIGHT; 250 if (wantcols == 0) 251 wantcols = RASOPS_DEFAULT_WIDTH; 252 253 flags = WSFONT_FIND_BESTWIDTH | WSFONT_FIND_BITMAP; 254 if ((ri->ri_flg & RI_ENABLE_ALPHA) != 0) 255 flags |= WSFONT_FIND_ALPHA; 256 if ((ri->ri_flg & RI_PREFER_ALPHA) != 0) 257 flags |= WSFONT_PREFER_ALPHA; 258 cookie = wsfont_find(NULL, 259 ri->ri_width / wantcols, 260 0, 261 0, 262 WSDISPLAY_FONTORDER_L2R, 263 WSDISPLAY_FONTORDER_L2R, 264 flags); 265 266 /* 267 * this means there is no supported font in the list 268 */ 269 if (cookie <= 0) { 270 aprint_error("%s: font table is empty\n", __func__); 271 return -1; 272 } 273 274 #if NRASOPS_ROTATION > 0 275 /* 276 * Pick the rotated version of this font. This will create it 277 * if necessary. 278 */ 279 if (ri->ri_flg & RI_ROTATE_MASK) { 280 if (ri->ri_flg & RI_ROTATE_CW) 281 rasops_rotate_font(&cookie, WSFONT_ROTATE_CW); 282 else if (ri->ri_flg & RI_ROTATE_CCW) 283 rasops_rotate_font(&cookie, WSFONT_ROTATE_CCW); 284 } 285 #endif 286 287 if (wsfont_lock(cookie, &ri->ri_font)) { 288 aprint_error("%s: couldn't lock font\n", __func__); 289 return -1; 290 } 291 292 ri->ri_wsfcookie = cookie; 293 } 294 #endif 295 296 /* This should never happen in reality... */ 297 if ((uintptr_t)ri->ri_bits & 3) { 298 aprint_error("%s: bits not aligned on 32-bit boundary\n", 299 __func__); 300 return -1; 301 } 302 303 if (ri->ri_stride & 3) { 304 aprint_error("%s: stride not aligned on 32-bit boundary\n", 305 __func__); 306 return -1; 307 } 308 309 if (rasops_reconfig(ri, wantrows, wantcols)) 310 return -1; 311 312 rasops_init_devcmap(ri); 313 return 0; 314 } 315 316 /* 317 * Reconfigure (because parameters have changed in some way). 318 */ 319 int 320 rasops_reconfig(struct rasops_info *ri, int wantrows, int wantcols) 321 { 322 int bpp, s; 323 size_t len; 324 325 s = splhigh(); 326 327 if (wantrows == 0) 328 wantrows = RASOPS_DEFAULT_HEIGHT; 329 if (wantcols == 0) 330 wantcols = RASOPS_DEFAULT_WIDTH; 331 332 /* throw away old line drawing character bitmaps, if we have any */ 333 if (ri->ri_optfont.data != NULL) { 334 kmem_free(ri->ri_optfont.data, ri->ri_optfont.stride * 335 ri->ri_optfont.fontheight * ri->ri_optfont.numchars); 336 ri->ri_optfont.data = NULL; 337 } 338 339 /* autogenerate box drawing characters */ 340 ri->ri_optfont.firstchar = WSFONT_FLAG_OPT; 341 ri->ri_optfont.numchars = 16; 342 ri->ri_optfont.fontwidth = ri->ri_font->fontwidth; 343 ri->ri_optfont.fontheight = ri->ri_font->fontheight; 344 ri->ri_optfont.stride = ri->ri_font->stride; 345 len = ri->ri_optfont.fontheight * ri->ri_optfont.stride * 346 ri->ri_optfont.numchars; 347 348 if (ri->ri_font->fontwidth > 32 || ri->ri_font->fontwidth < 4) { 349 aprint_error("%s: fontwidth assumptions botched", __func__); 350 splx(s); 351 return -1; 352 } 353 354 if ((ri->ri_flg & RI_NO_AUTO) == 0) { 355 ri->ri_optfont.data = kmem_zalloc(len, KM_SLEEP); 356 if (FONT_IS_ALPHA(&ri->ri_optfont)) 357 rasops_make_box_chars_alpha(ri); 358 else { 359 switch (ri->ri_optfont.stride) { 360 case 1: 361 rasops_make_box_chars_8(ri); 362 break; 363 case 2: 364 rasops_make_box_chars_16(ri); 365 break; 366 case 4: 367 rasops_make_box_chars_32(ri); 368 break; 369 default: 370 aprint_error( 371 "%s: font stride assumptions botched", 372 __func__); 373 splx(s); 374 return -1; 375 } 376 } 377 } else 378 memset(&ri->ri_optfont, 0, sizeof(ri->ri_optfont)); 379 380 /* Need this to frob the setup below */ 381 bpp = (ri->ri_depth == 15 ? 16 : ri->ri_depth); 382 383 if ((ri->ri_flg & RI_CFGDONE) != 0) { 384 ri->ri_bits = ri->ri_origbits; 385 ri->ri_hwbits = ri->ri_hworigbits; 386 } 387 388 /* Don't care if the caller wants a hideously small console */ 389 if (wantrows < 10) 390 wantrows = 10; 391 392 if (wantcols < 20) 393 wantcols = 20; 394 395 /* Now constrain what they get */ 396 ri->ri_emuwidth = ri->ri_font->fontwidth * wantcols; 397 ri->ri_emuheight = ri->ri_font->fontheight * wantrows; 398 399 if (ri->ri_emuwidth > ri->ri_width) 400 ri->ri_emuwidth = ri->ri_width; 401 402 if (ri->ri_emuheight > ri->ri_height) 403 ri->ri_emuheight = ri->ri_height; 404 405 /* Reduce width until aligned on a 32-bit boundary */ 406 while ((ri->ri_emuwidth * bpp & 31) != 0) 407 ri->ri_emuwidth--; 408 409 #if NRASOPS_ROTATION > 0 410 if (ri->ri_flg & (RI_ROTATE_CW|RI_ROTATE_CCW)) { 411 ri->ri_rows = ri->ri_emuwidth / ri->ri_font->fontwidth; 412 ri->ri_cols = ri->ri_emuheight / ri->ri_font->fontheight; 413 } else 414 #endif 415 { 416 417 ri->ri_cols = ri->ri_emuwidth / ri->ri_font->fontwidth; 418 ri->ri_rows = ri->ri_emuheight / ri->ri_font->fontheight; 419 } 420 ri->ri_emustride = ri->ri_emuwidth * bpp >> 3; 421 ri->ri_delta = ri->ri_stride - ri->ri_emustride; 422 ri->ri_ccol = 0; 423 ri->ri_crow = 0; 424 ri->ri_pelbytes = bpp >> 3; 425 426 ri->ri_xscale = (ri->ri_font->fontwidth * bpp) >> 3; 427 ri->ri_yscale = ri->ri_font->fontheight * ri->ri_stride; 428 ri->ri_fontscale = ri->ri_font->fontheight * ri->ri_font->stride; 429 430 if ((ri->ri_delta & 3) != 0) { 431 aprint_error( 432 "%s: ri_delta not aligned on 32-bit boundary", __func__); 433 splx(s); 434 return -1; 435 } 436 ri->ri_origbits = ri->ri_bits; 437 ri->ri_hworigbits = ri->ri_hwbits; 438 439 /* Clear the entire display */ 440 if ((ri->ri_flg & RI_CLEAR) != 0) 441 memset(ri->ri_bits, 0, ri->ri_stride * ri->ri_height); 442 443 /* Now centre our window if needs be */ 444 if ((ri->ri_flg & RI_CENTER) != 0) { 445 ri->ri_bits += (((ri->ri_width * bpp >> 3) - 446 ri->ri_emustride) >> 1) & ~3; 447 ri->ri_bits += ((ri->ri_height - ri->ri_emuheight) >> 1) * 448 ri->ri_stride; 449 if (ri->ri_hwbits != NULL) { 450 ri->ri_hwbits += (((ri->ri_width * bpp >> 3) - 451 ri->ri_emustride) >> 1) & ~3; 452 ri->ri_hwbits += 453 ((ri->ri_height - ri->ri_emuheight) >> 1) * 454 ri->ri_stride; 455 } 456 ri->ri_yorigin = (int)(ri->ri_bits - ri->ri_origbits) / 457 ri->ri_stride; 458 ri->ri_xorigin = (((int)(ri->ri_bits - ri->ri_origbits) % 459 ri->ri_stride) * 8 / bpp); 460 } else 461 ri->ri_xorigin = ri->ri_yorigin = 0; 462 463 /* 464 * Fill in defaults for operations set. XXX this nukes private 465 * routines used by accelerated fb drivers. 466 */ 467 ri->ri_ops.mapchar = rasops_mapchar; 468 ri->ri_ops.copyrows = rasops_copyrows; 469 ri->ri_ops.copycols = rasops_copycols; 470 ri->ri_ops.erasecols = rasops_erasecols; 471 ri->ri_ops.eraserows = rasops_eraserows; 472 ri->ri_ops.cursor = rasops_cursor; 473 ri->ri_do_cursor = rasops_do_cursor; 474 475 ri->ri_caps &= ~(WSSCREEN_UNDERLINE | WSSCREEN_HILIT | 476 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE); 477 478 if ((ri->ri_flg & RI_FORCEMONO) != 0 || 479 #ifdef RASOPS_APPLE_PALETTE 480 ri->ri_depth == 1 481 #else 482 ri->ri_depth < 8 483 #endif 484 ) { 485 ri->ri_ops.allocattr = rasops_allocattr_mono; 486 ri->ri_caps |= WSSCREEN_UNDERLINE | WSSCREEN_REVERSE; 487 } else { 488 ri->ri_ops.allocattr = rasops_allocattr_color; 489 ri->ri_caps |= WSSCREEN_UNDERLINE | WSSCREEN_HILIT | 490 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE; 491 } 492 493 switch (ri->ri_depth) { 494 #if NRASOPS1 > 0 495 case 1: 496 rasops1_init(ri); 497 break; 498 #endif 499 #if NRASOPS2 > 0 500 case 2: 501 rasops2_init(ri); 502 break; 503 #endif 504 #if NRASOPS4 > 0 505 case 4: 506 rasops4_init(ri); 507 break; 508 #endif 509 #if NRASOPS8 > 0 510 case 8: 511 rasops8_init(ri); 512 break; 513 #endif 514 #if NRASOPS15 > 0 || NRASOPS16 > 0 515 case 15: 516 case 16: 517 rasops15_init(ri); 518 break; 519 #endif 520 #if NRASOPS24 > 0 521 case 24: 522 rasops24_init(ri); 523 break; 524 #endif 525 #if NRASOPS32 > 0 526 case 32: 527 rasops32_init(ri); 528 break; 529 #endif 530 default: 531 ri->ri_flg &= ~RI_CFGDONE; 532 aprint_error("%s: depth not supported\n", __func__); 533 splx(s); 534 return -1; 535 } 536 537 #if NRASOPS_ROTATION > 0 538 if (ri->ri_flg & RI_ROTATE_MASK) { 539 if (ri->ri_flg & RI_ROTATE_CW) { 540 ri->ri_real_ops = ri->ri_ops; 541 ri->ri_ops.copycols = rasops_copycols_rotated_cw; 542 ri->ri_ops.copyrows = rasops_copyrows_rotated_cw; 543 ri->ri_ops.erasecols = rasops_erasecols_rotated_cw; 544 ri->ri_ops.eraserows = rasops_eraserows_rotated_cw; 545 ri->ri_ops.putchar = rasops_putchar_rotated_cw; 546 } else if (ri->ri_flg & RI_ROTATE_CCW) { 547 ri->ri_real_ops = ri->ri_ops; 548 ri->ri_ops.copycols = rasops_copycols_rotated_ccw; 549 ri->ri_ops.copyrows = rasops_copyrows_rotated_ccw; 550 ri->ri_ops.erasecols = rasops_erasecols_rotated_ccw; 551 ri->ri_ops.eraserows = rasops_eraserows_rotated_ccw; 552 ri->ri_ops.putchar = rasops_putchar_rotated_ccw; 553 } 554 } 555 #endif 556 557 ri->ri_flg |= RI_CFGDONE; 558 splx(s); 559 return 0; 560 } 561 562 /* 563 * Map a character. 564 */ 565 static int 566 rasops_mapchar(void *cookie, int c, u_int *cp) 567 { 568 struct rasops_info *ri = (struct rasops_info *)cookie; 569 570 KASSERT(ri->ri_font != NULL); 571 572 if ((c = wsfont_map_unichar(ri->ri_font, c)) < 0 || 573 c < ri->ri_font->firstchar) { 574 *cp = ' '; 575 return 0; 576 } 577 578 #if 0 /* XXXRO */ 579 if (CHAR_IN_FONT(c, ri->ri_font)) { 580 *cp = ' '; 581 return 0; 582 } 583 #endif 584 585 *cp = c; 586 return 5; 587 } 588 589 /* 590 * Allocate a color attribute. 591 */ 592 static int 593 rasops_allocattr_color(void *cookie, int fg0, int bg0, int flg, long *attr) 594 { 595 uint32_t fg = fg0, bg = bg0; 596 597 if (__predict_false(fg >= sizeof(rasops_isgray) || 598 bg >= sizeof(rasops_isgray))) 599 return EINVAL; 600 601 #ifdef RASOPS_CLIPPING 602 fg &= 7; 603 bg &= 7; 604 #endif 605 if ((flg & WSATTR_BLINK) != 0) 606 return EINVAL; 607 608 if ((flg & WSATTR_WSCOLORS) == 0) { 609 #ifdef WS_DEFAULT_FG 610 fg = WS_DEFAULT_FG; 611 #else 612 fg = WSCOL_WHITE; 613 #endif 614 #ifdef WS_DEFAULT_BG 615 bg = WS_DEFAULT_BG; 616 #else 617 bg = WSCOL_BLACK; 618 #endif 619 } 620 621 if ((flg & WSATTR_REVERSE) != 0) { 622 uint32_t swap = fg; 623 fg = bg; 624 bg = swap; 625 } 626 627 if ((flg & WSATTR_HILIT) != 0) 628 fg += 8; 629 630 flg = flg & WSATTR_USERMASK; 631 632 if (rasops_isgray[fg]) 633 flg |= WSATTR_PRIVATE1; 634 635 if (rasops_isgray[bg]) 636 flg |= WSATTR_PRIVATE2; 637 638 *attr = (bg << 16) | (fg << 24) | flg; 639 return 0; 640 } 641 642 /* 643 * Allocate a mono attribute. 644 */ 645 static int 646 rasops_allocattr_mono(void *cookie, int fg0, int bg0, int flg, long *attr) 647 { 648 uint32_t fg = fg0, bg = bg0; 649 650 if ((flg & (WSATTR_BLINK | WSATTR_HILIT | WSATTR_WSCOLORS)) != 0) 651 return EINVAL; 652 653 fg = 1; 654 bg = 0; 655 656 if ((flg & WSATTR_REVERSE) != 0) { 657 uint32_t swap = fg; 658 fg = bg; 659 bg = swap; 660 } 661 662 *attr = (bg << 16) | (fg << 24) | ((flg & WSATTR_UNDERLINE) ? 7 : 6); 663 return 0; 664 } 665 666 /* 667 * Copy rows. 668 */ 669 static void 670 rasops_copyrows(void *cookie, int src, int dst, int num) 671 { 672 struct rasops_info *ri = (struct rasops_info *)cookie; 673 uint8_t *sp, *dp, *hp; 674 int n; 675 676 hp = NULL; /* XXX GCC */ 677 678 #ifdef RASOPS_CLIPPING 679 if (dst == src) 680 return; 681 682 if (src < 0) { 683 num += src; 684 src = 0; 685 } 686 687 if (src + num > ri->ri_rows) 688 num = ri->ri_rows - src; 689 690 if (dst < 0) { 691 num += dst; 692 dst = 0; 693 } 694 695 if (dst + num > ri->ri_rows) 696 num = ri->ri_rows - dst; 697 698 if (num <= 0) 699 return; 700 #endif 701 702 num *= ri->ri_font->fontheight; 703 n = ri->ri_emustride; 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 memmove(dp, sp, n); 712 dp += n; 713 if (ri->ri_hwbits) { 714 memcpy(hp, sp, n); 715 hp += n; 716 } 717 sp += n; 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 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 #ifdef RASOPS_CLIPPING 737 if (dst == src) 738 return; 739 740 /* 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 memmove(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 c |= (c & 0xff) << 24; 904 905 /* 24bpp does bswap on the fly. {32,16,15}bpp do it here. */ 906 if ((ri->ri_flg & RI_BSWAP) == 0) 907 ri->ri_devcmap[i] = c; 908 else if (ri->ri_depth == 15 || ri->ri_depth == 16) 909 ri->ri_devcmap[i] = bswap16(c); 910 else if (ri->ri_depth == 32) 911 ri->ri_devcmap[i] = bswap32(c); 912 else /* 8, 24 */ 913 ri->ri_devcmap[i] = c; 914 } 915 } 916 917 /* 918 * Unpack a rasops attribute 919 */ 920 void 921 rasops_unpack_attr(long attr, int *fg, int *bg, int *underline) 922 { 923 924 *fg = ((uint32_t)attr >> 24) & 0xf; 925 *bg = ((uint32_t)attr >> 16) & 0xf; 926 if (underline != NULL) 927 *underline = (uint32_t)attr & WSATTR_UNDERLINE; 928 } 929 930 /* 931 * Erase rows. This isn't static, since 24-bpp uses it in special cases. 932 */ 933 void 934 rasops_eraserows(void *cookie, int row, int num, long attr) 935 { 936 struct rasops_info *ri = (struct rasops_info *)cookie; 937 uint32_t *dp, *hp, clr; 938 int n, cnt, delta; 939 940 hp = NULL; /* XXX GCC */ 941 942 #ifdef RASOPS_CLIPPING 943 if (row < 0) { 944 num += row; 945 row = 0; 946 } 947 948 if (row + num > ri->ri_rows) 949 num = ri->ri_rows - row; 950 951 if (num <= 0) 952 return; 953 #endif 954 955 clr = ri->ri_devcmap[(attr >> 16) & 0xf]; 956 957 /* 958 * XXX The wsdisplay_emulops interface seems a little deficient in 959 * that there is no way to clear the *entire* screen. We provide a 960 * workaround here: if the entire console area is being cleared, and 961 * the RI_FULLCLEAR flag is set, clear the entire display. 962 */ 963 if (num == ri->ri_rows && (ri->ri_flg & RI_FULLCLEAR) != 0) { 964 n = ri->ri_stride >> 2; 965 num = ri->ri_height; 966 dp = (uint32_t *)ri->ri_origbits; 967 if (ri->ri_hwbits) 968 hp = (uint32_t *)ri->ri_hworigbits; 969 delta = 0; 970 } else { 971 n = ri->ri_emustride >> 2; 972 num *= ri->ri_font->fontheight; 973 dp = (uint32_t *)(ri->ri_bits + row * ri->ri_yscale); 974 if (ri->ri_hwbits) 975 hp = (uint32_t *)(ri->ri_hwbits + row * 976 ri->ri_yscale); 977 delta = ri->ri_delta; 978 } 979 980 while (num--) { 981 for (cnt = n; cnt; cnt--) { 982 *dp++ = clr; 983 if (ri->ri_hwbits) 984 *hp++ = clr; 985 } 986 DELTA(dp, delta, uint32_t *); 987 if (ri->ri_hwbits) 988 DELTA(hp, delta, uint32_t *); 989 } 990 } 991 992 /* 993 * Actually turn the cursor on or off. This does the dirty work for 994 * rasops_cursor(). 995 */ 996 static void 997 rasops_do_cursor(struct rasops_info *ri) 998 { 999 int full, height, cnt, slop1, slop2, row, col; 1000 uint32_t tmp32, msk1, msk2; 1001 uint8_t tmp8; 1002 uint8_t *dp, *rp, *hrp, *hp; 1003 1004 hrp = hp = NULL; /* XXX GCC */ 1005 1006 #if NRASOPS_ROTATION > 0 1007 if (ri->ri_flg & RI_ROTATE_MASK) { 1008 if (ri->ri_flg & RI_ROTATE_CW) { 1009 /* Rotate rows/columns */ 1010 row = ri->ri_ccol; 1011 col = ri->ri_rows - ri->ri_crow - 1; 1012 } else if (ri->ri_flg & RI_ROTATE_CCW) { 1013 /* Rotate rows/columns */ 1014 row = ri->ri_cols - ri->ri_ccol - 1; 1015 col = ri->ri_crow; 1016 } else { /* upside-down */ 1017 row = ri->ri_crow; 1018 col = ri->ri_ccol; 1019 } 1020 } else 1021 #endif 1022 { 1023 row = ri->ri_crow; 1024 col = ri->ri_ccol; 1025 } 1026 1027 rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale; 1028 if (ri->ri_hwbits) 1029 hrp = ri->ri_hwbits + row * ri->ri_yscale + col 1030 * ri->ri_xscale; 1031 height = ri->ri_font->fontheight; 1032 1033 /* 1034 * For ri_xscale = 1: 1035 * 1036 * Logic below does not work for ri_xscale = 1, e.g., 1037 * fontwidth = 8 and bpp = 1. So we take care of it. 1038 */ 1039 if (ri->ri_xscale == 1) { 1040 while (height--) { 1041 tmp8 = ~*rp; 1042 1043 *rp = tmp8; 1044 rp += ri->ri_stride; 1045 1046 if (ri->ri_hwbits) { 1047 *hrp = tmp8; 1048 hrp += ri->ri_stride; 1049 } 1050 } 1051 return; 1052 } 1053 1054 /* 1055 * For ri_xscale = 2, 3, 4, ...: 1056 * 1057 * Note that siop1 <= ri_xscale even for ri_xscale = 2, 1058 * since rp % 3 = 0 or 2 (ri_stride % 4 = 0). 1059 */ 1060 slop1 = (4 - ((uintptr_t)rp & 3)) & 3; 1061 slop2 = (ri->ri_xscale - slop1) & 3; 1062 full = (ri->ri_xscale - slop1 /* - slop2 */) >> 2; 1063 1064 rp = (uint8_t *)((uintptr_t)rp & ~3); 1065 hrp = (uint8_t *)((uintptr_t)hrp & ~3); 1066 1067 msk1 = !slop1 ? 0 : be32toh(0xffffffffU >> (32 - (8 * slop1))); 1068 msk2 = !slop2 ? 0 : be32toh(0xffffffffU << (32 - (8 * slop2))); 1069 1070 while (height--) { 1071 dp = rp; 1072 rp += ri->ri_stride; 1073 if (ri->ri_hwbits) { 1074 hp = hrp; 1075 hrp += ri->ri_stride; 1076 } 1077 1078 if (slop1) { 1079 tmp32 = *(uint32_t *)dp ^ msk1; 1080 *(uint32_t *)dp = tmp32; 1081 dp += 4; 1082 if (ri->ri_hwbits) { 1083 *(uint32_t *)hp = tmp32; 1084 hp += 4; 1085 } 1086 } 1087 1088 for (cnt = full; cnt; cnt--) { 1089 tmp32 = ~*(uint32_t *)dp; 1090 *(uint32_t *)dp = tmp32; 1091 dp += 4; 1092 if (ri->ri_hwbits) { 1093 *(uint32_t *)hp = tmp32; 1094 hp += 4; 1095 } 1096 } 1097 1098 if (slop2) { 1099 tmp32 = *(uint32_t *)dp ^ msk2; 1100 *(uint32_t *)dp = tmp32; 1101 if (ri->ri_hwbits) 1102 *(uint32_t *)hp = tmp32; 1103 } 1104 } 1105 } 1106 1107 /* 1108 * Erase columns. 1109 */ 1110 void 1111 rasops_erasecols(void *cookie, int row, int col, int num, long attr) 1112 { 1113 struct rasops_info *ri = (struct rasops_info *)cookie; 1114 int height, cnt, slop1, slop2, clr; 1115 uint32_t *rp, *dp, *hrp, *hp; 1116 1117 hrp = hp = NULL; /* XXX GCC */ 1118 1119 #ifdef RASOPS_CLIPPING 1120 if ((unsigned)row >= (unsigned)ri->ri_rows) 1121 return; 1122 1123 if (col < 0) { 1124 num += col; 1125 col = 0; 1126 } 1127 1128 if ((col + num) > ri->ri_cols) 1129 num = ri->ri_cols - col; 1130 1131 if (num <= 0) 1132 return; 1133 #endif 1134 1135 num *= ri->ri_xscale; 1136 rp = (uint32_t *)(ri->ri_bits + row*ri->ri_yscale + col*ri->ri_xscale); 1137 if (ri->ri_hwbits) 1138 hrp = (uint32_t *)(ri->ri_hwbits + row*ri->ri_yscale + 1139 col*ri->ri_xscale); 1140 height = ri->ri_font->fontheight; 1141 clr = ri->ri_devcmap[(attr >> 16) & 0xf]; 1142 1143 /* Don't bother using the full loop for <= 32 pels */ 1144 if (num <= 32) { 1145 if (((num | ri->ri_xscale) & 3) == 0) { 1146 /* Word aligned blt */ 1147 num >>= 2; 1148 1149 while (height--) { 1150 dp = rp; 1151 DELTA(rp, ri->ri_stride, uint32_t *); 1152 if (ri->ri_hwbits) { 1153 hp = hrp; 1154 DELTA(hrp, ri->ri_stride, uint32_t *); 1155 } 1156 1157 for (cnt = num; cnt; cnt--) { 1158 *dp++ = clr; 1159 if (ri->ri_hwbits) 1160 *hp++ = clr; 1161 } 1162 } 1163 } else if (((num | ri->ri_xscale) & 1) == 0) { 1164 /* 1165 * Halfword aligned blt. This is needed so the 1166 * 15/16 bit ops can use this function. 1167 */ 1168 num >>= 1; 1169 1170 while (height--) { 1171 dp = rp; 1172 DELTA(rp, ri->ri_stride, uint32_t *); 1173 if (ri->ri_hwbits) { 1174 hp = hrp; 1175 DELTA(hrp, ri->ri_stride, uint32_t *); 1176 } 1177 1178 for (cnt = num; cnt; cnt--) { 1179 *(uint16_t *)dp = clr; 1180 DELTA(dp, 2, uint32_t *); 1181 if (ri->ri_hwbits) { 1182 *(uint16_t *)hp = clr; 1183 DELTA(hp, 2, uint32_t *); 1184 } 1185 } 1186 } 1187 } else { 1188 while (height--) { 1189 dp = rp; 1190 DELTA(rp, ri->ri_stride, uint32_t *); 1191 if (ri->ri_hwbits) { 1192 hp = hrp; 1193 DELTA(hrp, ri->ri_stride, uint32_t *); 1194 } 1195 1196 for (cnt = num; cnt; cnt--) { 1197 *(uint8_t *)dp = clr; 1198 DELTA(dp, 1, uint32_t *); 1199 if (ri->ri_hwbits) { 1200 *(uint8_t *)hp = clr; 1201 DELTA(hp, 1, uint32_t *); 1202 } 1203 } 1204 } 1205 } 1206 1207 return; 1208 } 1209 1210 slop1 = (4 - ((uintptr_t)rp & 3)) & 3; 1211 slop2 = (num - slop1) & 3; 1212 num = (num - slop1 /* - slop2 */) >> 2; 1213 1214 while (height--) { 1215 dp = rp; 1216 DELTA(rp, ri->ri_stride, uint32_t *); 1217 if (ri->ri_hwbits) { 1218 hp = hrp; 1219 DELTA(hrp, ri->ri_stride, uint32_t *); 1220 } 1221 1222 /* Align span to 4 bytes */ 1223 if (slop1 & 1) { 1224 *(uint8_t *)dp = clr; 1225 DELTA(dp, 1, uint32_t *); 1226 if (ri->ri_hwbits) { 1227 *(uint8_t *)hp = clr; 1228 DELTA(hp, 1, uint32_t *); 1229 } 1230 } 1231 1232 if (slop1 & 2) { 1233 *(uint16_t *)dp = clr; 1234 DELTA(dp, 2, uint32_t *); 1235 if (ri->ri_hwbits) { 1236 *(uint16_t *)hp = clr; 1237 DELTA(hp, 2, uint32_t *); 1238 } 1239 } 1240 1241 /* Write 4 bytes per loop */ 1242 for (cnt = num; cnt; cnt--) { 1243 *dp++ = clr; 1244 if (ri->ri_hwbits) 1245 *hp++ = clr; 1246 } 1247 1248 /* Write unaligned trailing slop */ 1249 if (slop2 & 1) { 1250 *(uint8_t *)dp = clr; 1251 DELTA(dp, 1, uint32_t *); 1252 if (ri->ri_hwbits) { 1253 *(uint8_t *)hp = clr; 1254 DELTA(hp, 1, uint32_t *); 1255 } 1256 } 1257 1258 if (slop2 & 2) { 1259 *(uint16_t *)dp = clr; 1260 if (ri->ri_hwbits) 1261 *(uint16_t *)hp = clr; 1262 } 1263 } 1264 } 1265 1266 #if NRASOPS_ROTATION > 0 1267 /* 1268 * Quarter clockwise rotation routines (originally intended for the 1269 * built-in Zaurus C3x00 display in 16bpp). 1270 */ 1271 1272 static void 1273 rasops_rotate_font(int *cookie, int rotate) 1274 { 1275 struct rotatedfont *f; 1276 int ncookie; 1277 1278 SLIST_FOREACH(f, &rotatedfonts, rf_next) { 1279 if (f->rf_cookie == *cookie) { 1280 *cookie = f->rf_rotated; 1281 return; 1282 } 1283 } 1284 1285 /* 1286 * We did not find a rotated version of this font. Ask the wsfont 1287 * code to compute one for us. 1288 */ 1289 1290 f = kmem_alloc(sizeof(*f), KM_SLEEP); 1291 1292 if ((ncookie = wsfont_rotate(*cookie, rotate)) == -1) 1293 goto fail; 1294 1295 f->rf_cookie = *cookie; 1296 f->rf_rotated = ncookie; 1297 SLIST_INSERT_HEAD(&rotatedfonts, f, rf_next); 1298 1299 *cookie = ncookie; 1300 return; 1301 1302 fail: kmem_free(f, sizeof(*f)); 1303 return; 1304 } 1305 1306 static void 1307 rasops_copychar(void *cookie, int srcrow, int dstrow, int srccol, int dstcol) 1308 { 1309 struct rasops_info *ri = (struct rasops_info *)cookie; 1310 int height; 1311 int r_srcrow, r_dstrow, r_srccol, r_dstcol; 1312 uint8_t *sp, *dp; 1313 1314 r_srcrow = srccol; 1315 r_dstrow = dstcol; 1316 r_srccol = ri->ri_rows - srcrow - 1; 1317 r_dstcol = ri->ri_rows - dstrow - 1; 1318 1319 r_srcrow *= ri->ri_yscale; 1320 r_dstrow *= ri->ri_yscale; 1321 height = ri->ri_font->fontheight; 1322 1323 sp = ri->ri_bits + r_srcrow + r_srccol * ri->ri_xscale; 1324 dp = ri->ri_bits + r_dstrow + r_dstcol * ri->ri_xscale; 1325 1326 while (height--) { 1327 memmove(dp, sp, ri->ri_xscale); 1328 dp += ri->ri_stride; 1329 sp += ri->ri_stride; 1330 } 1331 } 1332 1333 static void 1334 rasops_putchar_rotated_cw(void *cookie, int row, int col, u_int uc, long attr) 1335 { 1336 struct rasops_info *ri = (struct rasops_info *)cookie; 1337 int height; 1338 uint8_t *rp; 1339 1340 if (__predict_false((unsigned int)row > ri->ri_rows || 1341 (unsigned int)col > ri->ri_cols)) 1342 return; 1343 1344 /* Avoid underflow */ 1345 if (ri->ri_rows - row - 1 < 0) 1346 return; 1347 1348 /* Do rotated char sans (side)underline */ 1349 ri->ri_real_ops.putchar(cookie, col, ri->ri_rows - row - 1, uc, 1350 attr & ~WSATTR_UNDERLINE); 1351 1352 /* Do rotated underline */ 1353 rp = ri->ri_bits + col * ri->ri_yscale + (ri->ri_rows - row - 1) * 1354 ri->ri_xscale; 1355 height = ri->ri_font->fontheight; 1356 1357 /* XXX this assumes 16-bit color depth */ 1358 if ((attr & WSATTR_UNDERLINE) != 0) { 1359 uint16_t c = 1360 (uint16_t)ri->ri_devcmap[((u_int)attr >> 24) & 0xf]; 1361 1362 while (height--) { 1363 *(uint16_t *)rp = c; 1364 rp += ri->ri_stride; 1365 } 1366 } 1367 } 1368 1369 static void 1370 rasops_erasecols_rotated_cw(void *cookie, int row, int col, int num, long attr) 1371 { 1372 struct rasops_info *ri = (struct rasops_info *)cookie; 1373 int i; 1374 1375 for (i = col; i < col + num; i++) 1376 ri->ri_ops.putchar(cookie, row, i, ' ', attr); 1377 } 1378 1379 /* XXX: these could likely be optimised somewhat. */ 1380 static void 1381 rasops_copyrows_rotated_cw(void *cookie, int src, int dst, int num) 1382 { 1383 struct rasops_info *ri = (struct rasops_info *)cookie; 1384 int col, roff; 1385 1386 if (src > dst) 1387 for (roff = 0; roff < num; roff++) 1388 for (col = 0; col < ri->ri_cols; col++) 1389 rasops_copychar(cookie, src + roff, dst + roff, 1390 col, col); 1391 else 1392 for (roff = num - 1; roff >= 0; roff--) 1393 for (col = 0; col < ri->ri_cols; col++) 1394 rasops_copychar(cookie, src + roff, dst + roff, 1395 col, col); 1396 } 1397 1398 static void 1399 rasops_copycols_rotated_cw(void *cookie, int row, int src, int dst, int num) 1400 { 1401 int coff; 1402 1403 if (src > dst) 1404 for (coff = 0; coff < num; coff++) 1405 rasops_copychar(cookie, row, row, src + coff, 1406 dst + coff); 1407 else 1408 for (coff = num - 1; coff >= 0; coff--) 1409 rasops_copychar(cookie, row, row, src + coff, 1410 dst + coff); 1411 } 1412 1413 static void 1414 rasops_eraserows_rotated_cw(void *cookie, int row, int num, long attr) 1415 { 1416 struct rasops_info *ri = (struct rasops_info *)cookie; 1417 int col, rn; 1418 1419 for (rn = row; rn < row + num; rn++) 1420 for (col = 0; col < ri->ri_cols; col++) 1421 ri->ri_ops.putchar(cookie, rn, col, ' ', attr); 1422 } 1423 1424 /* 1425 * Quarter counter-clockwise rotation routines (originally intended for the 1426 * built-in Sharp W-ZERO3 display in 16bpp). 1427 */ 1428 static void 1429 rasops_copychar_ccw(void *cookie, int srcrow, int dstrow, int srccol, 1430 int dstcol) 1431 { 1432 struct rasops_info *ri = (struct rasops_info *)cookie; 1433 int height, r_srcrow, r_dstrow, r_srccol, r_dstcol; 1434 uint8_t *sp, *dp; 1435 1436 r_srcrow = ri->ri_cols - srccol - 1; 1437 r_dstrow = ri->ri_cols - dstcol - 1; 1438 r_srccol = srcrow; 1439 r_dstcol = dstrow; 1440 1441 r_srcrow *= ri->ri_yscale; 1442 r_dstrow *= ri->ri_yscale; 1443 height = ri->ri_font->fontheight; 1444 1445 sp = ri->ri_bits + r_srcrow + r_srccol * ri->ri_xscale; 1446 dp = ri->ri_bits + r_dstrow + r_dstcol * ri->ri_xscale; 1447 1448 while (height--) { 1449 memmove(dp, sp, ri->ri_xscale); 1450 dp += ri->ri_stride; 1451 sp += ri->ri_stride; 1452 } 1453 } 1454 1455 static void 1456 rasops_putchar_rotated_ccw(void *cookie, int row, int col, u_int uc, long attr) 1457 { 1458 struct rasops_info *ri = (struct rasops_info *)cookie; 1459 int height; 1460 uint8_t *rp; 1461 1462 if (__predict_false((unsigned int)row > ri->ri_rows || 1463 (unsigned int)col > ri->ri_cols)) 1464 return; 1465 1466 /* Avoid underflow */ 1467 if (ri->ri_cols - col - 1 < 0) 1468 return; 1469 1470 /* Do rotated char sans (side)underline */ 1471 ri->ri_real_ops.putchar(cookie, ri->ri_cols - col - 1, row, uc, 1472 attr & ~WSATTR_UNDERLINE); 1473 1474 /* Do rotated underline */ 1475 rp = ri->ri_bits + (ri->ri_cols - col - 1) * ri->ri_yscale + 1476 row * ri->ri_xscale + 1477 (ri->ri_font->fontwidth - 1) * ri->ri_pelbytes; 1478 height = ri->ri_font->fontheight; 1479 1480 /* XXX this assumes 16-bit color depth */ 1481 if ((attr & WSATTR_UNDERLINE) != 0) { 1482 uint16_t c = 1483 (uint16_t)ri->ri_devcmap[((u_int)attr >> 24) & 0xf]; 1484 1485 while (height--) { 1486 *(uint16_t *)rp = c; 1487 rp += ri->ri_stride; 1488 } 1489 } 1490 } 1491 1492 /* XXX: these could likely be optimised somewhat. */ 1493 static void 1494 rasops_copyrows_rotated_ccw(void *cookie, int src, int dst, int num) 1495 { 1496 struct rasops_info *ri = (struct rasops_info *)cookie; 1497 int col, roff; 1498 1499 if (src > dst) 1500 for (roff = 0; roff < num; roff++) 1501 for (col = 0; col < ri->ri_cols; col++) 1502 rasops_copychar_ccw(cookie, 1503 src + roff, dst + roff, col, col); 1504 else 1505 for (roff = num - 1; roff >= 0; roff--) 1506 for (col = 0; col < ri->ri_cols; col++) 1507 rasops_copychar_ccw(cookie, 1508 src + roff, dst + roff, col, col); 1509 } 1510 1511 static void 1512 rasops_copycols_rotated_ccw(void *cookie, int row, int src, int dst, int num) 1513 { 1514 int coff; 1515 1516 if (src > dst) 1517 for (coff = 0; coff < num; coff++) 1518 rasops_copychar_ccw(cookie, row, row, 1519 src + coff, dst + coff); 1520 else 1521 for (coff = num - 1; coff >= 0; coff--) 1522 rasops_copychar_ccw(cookie, row, row, 1523 src + coff, dst + coff); 1524 } 1525 #endif /* NRASOPS_ROTATION */ 1526 1527 void 1528 rasops_make_box_chars_16(struct rasops_info *ri) 1529 { 1530 int c, i, mid; 1531 uint16_t vert_mask, hmask_left, hmask_right; 1532 uint16_t *data = (uint16_t *)ri->ri_optfont.data; 1533 1534 vert_mask = 0xc000U >> ((ri->ri_font->fontwidth >> 1) - 1); 1535 hmask_left = 0xff00U << (8 - (ri->ri_font->fontwidth >> 1)); 1536 hmask_right = hmask_left >> ((ri->ri_font->fontwidth + 1) >> 1); 1537 mid = (ri->ri_font->fontheight + 1) >> 1; 1538 1539 /* 0x00 would be empty anyway so don't bother */ 1540 for (c = 1; c < 16; c++) { 1541 data += ri->ri_font->fontheight; 1542 if (c & 1) { 1543 /* upper segment */ 1544 for (i = 0; i < mid; i++) 1545 data[i] = vert_mask; 1546 } 1547 if (c & 4) { 1548 /* lower segment */ 1549 for (i = mid; i < ri->ri_font->fontheight; i++) 1550 data[i] = vert_mask; 1551 } 1552 if (c & 2) { 1553 /* right segment */ 1554 i = ri->ri_font->fontheight >> 1; 1555 data[mid - 1] |= hmask_right; 1556 data[mid] |= hmask_right; 1557 } 1558 if (c & 8) { 1559 /* left segment */ 1560 data[mid - 1] |= hmask_left; 1561 data[mid] |= hmask_left; 1562 } 1563 } 1564 } 1565 1566 void 1567 rasops_make_box_chars_8(struct rasops_info *ri) 1568 { 1569 int c, i, mid; 1570 uint8_t vert_mask, hmask_left, hmask_right; 1571 uint8_t *data = (uint8_t *)ri->ri_optfont.data; 1572 1573 vert_mask = 0xc0U >> ((ri->ri_font->fontwidth >> 1) - 1); 1574 hmask_left = 0xf0U << (4 - (ri->ri_font->fontwidth >> 1)); 1575 hmask_right = hmask_left >> ((ri->ri_font->fontwidth + 1) >> 1); 1576 mid = (ri->ri_font->fontheight + 1) >> 1; 1577 1578 /* 0x00 would be empty anyway so don't bother */ 1579 for (c = 1; c < 16; c++) { 1580 data += ri->ri_font->fontheight; 1581 if (c & 1) { 1582 /* upper segment */ 1583 for (i = 0; i < mid; i++) 1584 data[i] = vert_mask; 1585 } 1586 if (c & 4) { 1587 /* lower segment */ 1588 for (i = mid; i < ri->ri_font->fontheight; i++) 1589 data[i] = vert_mask; 1590 } 1591 if (c & 2) { 1592 /* right segment */ 1593 i = ri->ri_font->fontheight >> 1; 1594 data[mid - 1] |= hmask_right; 1595 data[mid] |= hmask_right; 1596 } 1597 if (c & 8) { 1598 /* left segment */ 1599 data[mid - 1] |= hmask_left; 1600 data[mid] |= hmask_left; 1601 } 1602 } 1603 } 1604 1605 void 1606 rasops_make_box_chars_32(struct rasops_info *ri) 1607 { 1608 int c, i, mid; 1609 uint32_t vert_mask, hmask_left, hmask_right; 1610 uint32_t *data = (uint32_t *)ri->ri_optfont.data; 1611 1612 vert_mask = 0xc0000000U >> ((ri->ri_font->fontwidth >> 1) - 1); 1613 hmask_left = 0xffff0000U << (16 - (ri->ri_font->fontwidth >> 1)); 1614 hmask_right = hmask_left >> ((ri->ri_font->fontwidth + 1) >> 1); 1615 mid = (ri->ri_font->fontheight + 1) >> 1; 1616 1617 /* 0x00 would be empty anyway so don't bother */ 1618 for (c = 1; c < 16; c++) { 1619 data += ri->ri_font->fontheight; 1620 if (c & 1) { 1621 /* upper segment */ 1622 for (i = 0; i < mid; i++) 1623 data[i] = vert_mask; 1624 } 1625 if (c & 4) { 1626 /* lower segment */ 1627 for (i = mid; i < ri->ri_font->fontheight; i++) 1628 data[i] = vert_mask; 1629 } 1630 if (c & 2) { 1631 /* right segment */ 1632 i = ri->ri_font->fontheight >> 1; 1633 data[mid - 1] |= hmask_right; 1634 data[mid] |= hmask_right; 1635 } 1636 if (c & 8) { 1637 /* left segment */ 1638 data[mid - 1] |= hmask_left; 1639 data[mid] |= hmask_left; 1640 } 1641 } 1642 } 1643 1644 void 1645 rasops_make_box_chars_alpha(struct rasops_info *ri) 1646 { 1647 int c, i, hmid, vmid, wi, he; 1648 uint8_t *data = (uint8_t *)ri->ri_optfont.data; 1649 uint8_t *ddata; 1650 1651 he = ri->ri_font->fontheight; 1652 wi = ri->ri_font->fontwidth; 1653 1654 vmid = (he + 1) >> 1; 1655 hmid = (wi + 1) >> 1; 1656 1657 /* 0x00 would be empty anyway so don't bother */ 1658 for (c = 1; c < 16; c++) { 1659 data += ri->ri_fontscale; 1660 if (c & 1) { 1661 /* upper segment */ 1662 ddata = data + hmid; 1663 for (i = 0; i <= vmid; i++) { 1664 *ddata = 0xff; 1665 ddata += wi; 1666 } 1667 } 1668 if (c & 4) { 1669 /* lower segment */ 1670 ddata = data + wi * vmid + hmid; 1671 for (i = vmid; i < he; i++) { 1672 *ddata = 0xff; 1673 ddata += wi; 1674 } 1675 } 1676 if (c & 2) { 1677 /* right segment */ 1678 ddata = data + wi * vmid + hmid; 1679 for (i = hmid; i < wi; i++) { 1680 *ddata = 0xff; 1681 ddata++; 1682 } 1683 } 1684 if (c & 8) { 1685 /* left segment */ 1686 ddata = data + wi * vmid; 1687 for (i = 0; i <= hmid; i++) { 1688 *ddata = 0xff; 1689 ddata++; 1690 } 1691 } 1692 } 1693 } 1694 1695 /* 1696 * Return a colour map appropriate for the given struct rasops_info in the 1697 * same form used by rasops_cmap[] 1698 * For now this is either a copy of rasops_cmap[] or an R3G3B2 map, it should 1699 * probably be a linear ( or gamma corrected? ) ramp for higher depths. 1700 */ 1701 1702 int 1703 rasops_get_cmap(struct rasops_info *ri, uint8_t *palette, size_t bytes) 1704 { 1705 1706 if ((ri->ri_depth == 8) && ((ri->ri_flg & RI_8BIT_IS_RGB) != 0)) { 1707 /* generate an R3G3B2 palette */ 1708 int i, idx = 0; 1709 uint8_t tmp; 1710 1711 if (bytes < 768) 1712 return EINVAL; 1713 for (i = 0; i < 256; i++) { 1714 tmp = i & 0xe0; 1715 /* 1716 * replicate bits so 0xe0 maps to a red value of 0xff 1717 * in order to make white look actually white 1718 */ 1719 tmp |= (tmp >> 3) | (tmp >> 6); 1720 palette[idx] = tmp; 1721 idx++; 1722 1723 tmp = (i & 0x1c) << 3; 1724 tmp |= (tmp >> 3) | (tmp >> 6); 1725 palette[idx] = tmp; 1726 idx++; 1727 1728 tmp = (i & 0x03) << 6; 1729 tmp |= tmp >> 2; 1730 tmp |= tmp >> 4; 1731 palette[idx] = tmp; 1732 idx++; 1733 } 1734 } else 1735 memcpy(palette, rasops_cmap, uimin(bytes, sizeof(rasops_cmap))); 1736 return 0; 1737 } 1738
Indexes created Tue Sep 23 14:10:03 GMT 2025