rasops.c revision 1.88
1 /* $NetBSD: rasops.c,v 1.88 2019/07/25 02:26:32 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 1.88 2019/07/25 02:26:32 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/systm.h> 41 #include <sys/time.h> 42 #include <sys/kmem.h> 43 44 #include <sys/bswap.h> 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 /* Generic functions */ 138 static void rasops_copyrows(void *, int, int, int); 139 static int rasops_mapchar(void *, int, u_int *); 140 static void rasops_cursor(void *, int, int, int); 141 static int rasops_allocattr_color(void *, int, int, int, long *); 142 static int rasops_allocattr_mono(void *, int, int, int, long *); 143 static void rasops_do_cursor(struct rasops_info *); 144 static void rasops_init_devcmap(struct rasops_info *); 145 146 #if NRASOPS_ROTATION > 0 147 static void rasops_rotate_font(int *, int); 148 static void rasops_copychar(void *, int, int, int, int); 149 150 /* rotate clockwise */ 151 static void rasops_copycols_rotated_cw(void *, int, int, int, int); 152 static void rasops_copyrows_rotated_cw(void *, int, int, int); 153 static void rasops_erasecols_rotated_cw(void *, int, int, int, long); 154 static void rasops_eraserows_rotated_cw(void *, int, int, long); 155 static void rasops_putchar_rotated_cw(void *, int, int, u_int, long); 156 157 /* rotate counter-clockwise */ 158 static void rasops_copychar_ccw(void *, int, int, int, int); 159 static void rasops_copycols_rotated_ccw(void *, int, int, int, int); 160 static void rasops_copyrows_rotated_ccw(void *, int, int, int); 161 #define rasops_erasecols_rotated_ccw rasops_erasecols_rotated_cw 162 #define rasops_eraserows_rotated_ccw rasops_eraserows_rotated_cw 163 static void rasops_putchar_rotated_ccw(void *, int, int, u_int, long); 164 165 /* 166 * List of all rotated fonts 167 */ 168 SLIST_HEAD(, rotatedfont) rotatedfonts = SLIST_HEAD_INITIALIZER(rotatedfonts); 169 struct rotatedfont { 170 SLIST_ENTRY(rotatedfont) rf_next; 171 int rf_cookie; 172 int rf_rotated; 173 }; 174 #endif /* NRASOPS_ROTATION > 0 */ 175 176 void rasops_make_box_chars_8(struct rasops_info *); 177 void rasops_make_box_chars_16(struct rasops_info *); 178 void rasops_make_box_chars_32(struct rasops_info *); 179 void rasops_make_box_chars_alpha(struct rasops_info *); 180 181 extern int cold; 182 183 /* 184 * Initialize a 'rasops_info' descriptor. 185 */ 186 int 187 rasops_init(struct rasops_info *ri, int wantrows, int wantcols) 188 { 189 190 memset (&ri->ri_optfont, 0, sizeof(ri->ri_optfont)); 191 #ifdef _KERNEL 192 /* Select a font if the caller doesn't care */ 193 if (ri->ri_font == NULL) { 194 int cookie = -1; 195 int flags; 196 197 wsfont_init(); 198 199 /* 200 * first, try to find something that's as close as possible 201 * to the caller's requested terminal size 202 */ 203 if (wantrows == 0) 204 wantrows = RASOPS_DEFAULT_HEIGHT; 205 if (wantcols == 0) 206 wantcols = RASOPS_DEFAULT_WIDTH; 207 208 flags = WSFONT_FIND_BESTWIDTH | WSFONT_FIND_BITMAP; 209 if ((ri->ri_flg & RI_ENABLE_ALPHA) != 0) 210 flags |= WSFONT_FIND_ALPHA; 211 if ((ri->ri_flg & RI_PREFER_ALPHA) != 0) 212 flags |= WSFONT_PREFER_ALPHA; 213 cookie = wsfont_find(NULL, 214 ri->ri_width / wantcols, 215 0, 216 0, 217 WSDISPLAY_FONTORDER_L2R, 218 WSDISPLAY_FONTORDER_L2R, 219 flags); 220 221 /* 222 * this means there is no supported font in the list 223 */ 224 if (cookie <= 0) { 225 aprint_error("rasops_init: font table is empty\n"); 226 return -1; 227 } 228 229 #if NRASOPS_ROTATION > 0 230 /* 231 * Pick the rotated version of this font. This will create it 232 * if necessary. 233 */ 234 if (ri->ri_flg & RI_ROTATE_MASK) { 235 if (ri->ri_flg & RI_ROTATE_CW) 236 rasops_rotate_font(&cookie, WSFONT_ROTATE_CW); 237 else if (ri->ri_flg & RI_ROTATE_CCW) 238 rasops_rotate_font(&cookie, WSFONT_ROTATE_CCW); 239 } 240 #endif 241 242 if (wsfont_lock(cookie, &ri->ri_font)) { 243 aprint_error("rasops_init: couldn't lock font\n"); 244 return -1; 245 } 246 247 ri->ri_wsfcookie = cookie; 248 } 249 #endif 250 251 /* This should never happen in reality... */ 252 #ifdef DEBUG 253 if ((long)ri->ri_bits & 3) { 254 aprint_error( 255 "rasops_init: bits not aligned on 32-bit boundary\n"); 256 return -1; 257 } 258 259 if ((int)ri->ri_stride & 3) { 260 aprint_error( 261 "rasops_init: stride not aligned on 32-bit boundary\n"); 262 return -1; 263 } 264 #endif 265 266 if (rasops_reconfig(ri, wantrows, wantcols)) 267 return -1; 268 269 rasops_init_devcmap(ri); 270 return 0; 271 } 272 273 /* 274 * Reconfigure (because parameters have changed in some way). 275 */ 276 int 277 rasops_reconfig(struct rasops_info *ri, int wantrows, int wantcols) 278 { 279 int bpp, s, len; 280 281 s = splhigh(); 282 283 if (wantrows == 0) 284 wantrows = RASOPS_DEFAULT_HEIGHT; 285 if (wantcols == 0) 286 wantcols = RASOPS_DEFAULT_WIDTH; 287 288 /* throw away old line drawing character bitmaps, if we have any */ 289 if (ri->ri_optfont.data != NULL) { 290 kmem_free(ri->ri_optfont.data, ri->ri_optfont.stride * 291 ri->ri_optfont.fontheight * ri->ri_optfont.numchars); 292 ri->ri_optfont.data = NULL; 293 } 294 295 /* autogenerate box drawing characters */ 296 ri->ri_optfont.firstchar = WSFONT_FLAG_OPT; 297 ri->ri_optfont.numchars = 16; 298 ri->ri_optfont.fontwidth = ri->ri_font->fontwidth; 299 ri->ri_optfont.fontheight = ri->ri_font->fontheight; 300 ri->ri_optfont.stride = ri->ri_font->stride; 301 len = ri->ri_optfont.fontheight * ri->ri_optfont.stride * 302 ri->ri_optfont.numchars; 303 304 if ((ri->ri_flg & RI_NO_AUTO) == 0) { 305 ri->ri_optfont.data = kmem_zalloc(len, KM_SLEEP); 306 if (ri->ri_optfont.stride < ri->ri_optfont.fontwidth) { 307 switch (ri->ri_optfont.stride) { 308 case 1: 309 rasops_make_box_chars_8(ri); 310 break; 311 case 2: 312 rasops_make_box_chars_16(ri); 313 break; 314 case 4: 315 rasops_make_box_chars_32(ri); 316 break; 317 } 318 } else { 319 rasops_make_box_chars_alpha(ri); 320 } 321 } else 322 memset(&ri->ri_optfont, 0, sizeof(ri->ri_optfont)); 323 324 if (ri->ri_font->fontwidth > 32 || ri->ri_font->fontwidth < 4) 325 panic("rasops_init: fontwidth assumptions botched!"); 326 327 /* Need this to frob the setup below */ 328 bpp = (ri->ri_depth == 15 ? 16 : ri->ri_depth); 329 330 if ((ri->ri_flg & RI_CFGDONE) != 0) { 331 ri->ri_bits = ri->ri_origbits; 332 ri->ri_hwbits = ri->ri_hworigbits; 333 } 334 335 /* Don't care if the caller wants a hideously small console */ 336 if (wantrows < 10) 337 wantrows = 10; 338 339 if (wantcols < 20) 340 wantcols = 20; 341 342 /* Now constrain what they get */ 343 ri->ri_emuwidth = ri->ri_font->fontwidth * wantcols; 344 ri->ri_emuheight = ri->ri_font->fontheight * wantrows; 345 346 if (ri->ri_emuwidth > ri->ri_width) 347 ri->ri_emuwidth = ri->ri_width; 348 349 if (ri->ri_emuheight > ri->ri_height) 350 ri->ri_emuheight = ri->ri_height; 351 352 /* Reduce width until aligned on a 32-bit boundary */ 353 while ((ri->ri_emuwidth * bpp & 31) != 0) 354 ri->ri_emuwidth--; 355 356 #if NRASOPS_ROTATION > 0 357 if (ri->ri_flg & (RI_ROTATE_CW|RI_ROTATE_CCW)) { 358 ri->ri_rows = ri->ri_emuwidth / ri->ri_font->fontwidth; 359 ri->ri_cols = ri->ri_emuheight / ri->ri_font->fontheight; 360 } else 361 #endif 362 { 363 364 ri->ri_cols = ri->ri_emuwidth / ri->ri_font->fontwidth; 365 ri->ri_rows = ri->ri_emuheight / ri->ri_font->fontheight; 366 } 367 ri->ri_emustride = ri->ri_emuwidth * bpp >> 3; 368 ri->ri_delta = ri->ri_stride - ri->ri_emustride; 369 ri->ri_ccol = 0; 370 ri->ri_crow = 0; 371 ri->ri_pelbytes = bpp >> 3; 372 373 ri->ri_xscale = (ri->ri_font->fontwidth * bpp) >> 3; 374 ri->ri_yscale = ri->ri_font->fontheight * ri->ri_stride; 375 ri->ri_fontscale = ri->ri_font->fontheight * ri->ri_font->stride; 376 377 #ifdef DEBUG 378 if ((ri->ri_delta & 3) != 0) 379 panic("rasops_init: ri_delta not aligned on 32-bit boundary"); 380 #endif 381 ri->ri_origbits = ri->ri_bits; 382 ri->ri_hworigbits = ri->ri_hwbits; 383 384 /* Clear the entire display */ 385 if ((ri->ri_flg & RI_CLEAR) != 0) 386 memset(ri->ri_bits, 0, ri->ri_stride * ri->ri_height); 387 388 /* Now centre our window if needs be */ 389 if ((ri->ri_flg & RI_CENTER) != 0) { 390 ri->ri_bits += (((ri->ri_width * bpp >> 3) - 391 ri->ri_emustride) >> 1) & ~3; 392 ri->ri_bits += ((ri->ri_height - ri->ri_emuheight) >> 1) * 393 ri->ri_stride; 394 if (ri->ri_hwbits != NULL) { 395 ri->ri_hwbits += (((ri->ri_width * bpp >> 3) - 396 ri->ri_emustride) >> 1) & ~3; 397 ri->ri_hwbits += 398 ((ri->ri_height - ri->ri_emuheight) >> 1) * 399 ri->ri_stride; 400 } 401 ri->ri_yorigin = (int)(ri->ri_bits - ri->ri_origbits) 402 / ri->ri_stride; 403 ri->ri_xorigin = (((int)(ri->ri_bits - ri->ri_origbits) 404 % ri->ri_stride) * 8 / bpp); 405 } else 406 ri->ri_xorigin = ri->ri_yorigin = 0; 407 408 /* 409 * Fill in defaults for operations set. XXX this nukes private 410 * routines used by accelerated fb drivers. 411 */ 412 ri->ri_ops.mapchar = rasops_mapchar; 413 ri->ri_ops.copyrows = rasops_copyrows; 414 ri->ri_ops.copycols = rasops_copycols; 415 ri->ri_ops.erasecols = rasops_erasecols; 416 ri->ri_ops.eraserows = rasops_eraserows; 417 ri->ri_ops.cursor = rasops_cursor; 418 ri->ri_do_cursor = rasops_do_cursor; 419 420 ri->ri_caps &= ~(WSSCREEN_UNDERLINE | WSSCREEN_HILIT | 421 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE); 422 if (ri->ri_depth < 8 || (ri->ri_flg & RI_FORCEMONO) != 0) { 423 ri->ri_ops.allocattr = rasops_allocattr_mono; 424 ri->ri_caps |= WSSCREEN_UNDERLINE | WSSCREEN_REVERSE; 425 } else { 426 ri->ri_ops.allocattr = rasops_allocattr_color; 427 ri->ri_caps |= WSSCREEN_UNDERLINE | WSSCREEN_HILIT | 428 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE; 429 } 430 431 switch (ri->ri_depth) { 432 #if NRASOPS1 > 0 433 case 1: 434 rasops1_init(ri); 435 break; 436 #endif 437 #if NRASOPS2 > 0 438 case 2: 439 rasops2_init(ri); 440 break; 441 #endif 442 #if NRASOPS4 > 0 443 case 4: 444 rasops4_init(ri); 445 break; 446 #endif 447 #if NRASOPS8 > 0 448 case 8: 449 rasops8_init(ri); 450 break; 451 #endif 452 #if NRASOPS15 > 0 || NRASOPS16 > 0 453 case 15: 454 case 16: 455 rasops15_init(ri); 456 break; 457 #endif 458 #if NRASOPS24 > 0 459 case 24: 460 rasops24_init(ri); 461 break; 462 #endif 463 #if NRASOPS32 > 0 464 case 32: 465 rasops32_init(ri); 466 break; 467 #endif 468 default: 469 ri->ri_flg &= ~RI_CFGDONE; 470 splx(s); 471 return -1; 472 } 473 474 #if NRASOPS_ROTATION > 0 475 if (ri->ri_flg & RI_ROTATE_MASK) { 476 if (ri->ri_flg & RI_ROTATE_CW) { 477 ri->ri_real_ops = ri->ri_ops; 478 ri->ri_ops.copycols = rasops_copycols_rotated_cw; 479 ri->ri_ops.copyrows = rasops_copyrows_rotated_cw; 480 ri->ri_ops.erasecols = rasops_erasecols_rotated_cw; 481 ri->ri_ops.eraserows = rasops_eraserows_rotated_cw; 482 ri->ri_ops.putchar = rasops_putchar_rotated_cw; 483 } else if (ri->ri_flg & RI_ROTATE_CCW) { 484 ri->ri_real_ops = ri->ri_ops; 485 ri->ri_ops.copycols = rasops_copycols_rotated_ccw; 486 ri->ri_ops.copyrows = rasops_copyrows_rotated_ccw; 487 ri->ri_ops.erasecols = rasops_erasecols_rotated_ccw; 488 ri->ri_ops.eraserows = rasops_eraserows_rotated_ccw; 489 ri->ri_ops.putchar = rasops_putchar_rotated_ccw; 490 } 491 } 492 #endif 493 494 ri->ri_flg |= RI_CFGDONE; 495 splx(s); 496 return 0; 497 } 498 499 /* 500 * Map a character. 501 */ 502 static int 503 rasops_mapchar(void *cookie, int c, u_int *cp) 504 { 505 struct rasops_info *ri; 506 507 ri = (struct rasops_info *)cookie; 508 509 KASSERT(ri->ri_font != NULL); 510 511 if ( (c = wsfont_map_unichar(ri->ri_font, c)) < 0) { 512 *cp = ' '; 513 return 0; 514 } 515 516 if (c < ri->ri_font->firstchar) { 517 *cp = ' '; 518 return 0; 519 } 520 521 #if 0 522 if (c - ri->ri_font->firstchar >= ri->ri_font->numchars) { 523 *cp = ' '; 524 return 0; 525 } 526 #endif 527 *cp = c; 528 return 5; 529 } 530 531 /* 532 * Allocate a color attribute. 533 */ 534 static int 535 rasops_allocattr_color(void *cookie, int fg, int bg, int flg, 536 long *attr) 537 { 538 int swap; 539 540 if (__predict_false((unsigned int)fg >= sizeof(rasops_isgray) || 541 (unsigned int)bg >= sizeof(rasops_isgray))) 542 return EINVAL; 543 544 #ifdef RASOPS_CLIPPING 545 fg &= 7; 546 bg &= 7; 547 #endif 548 if ((flg & WSATTR_BLINK) != 0) 549 return EINVAL; 550 551 if ((flg & WSATTR_WSCOLORS) == 0) { 552 #ifdef WS_DEFAULT_FG 553 fg = WS_DEFAULT_FG; 554 #else 555 fg = WSCOL_WHITE; 556 #endif 557 #ifdef WS_DEFAULT_BG 558 bg = WS_DEFAULT_BG; 559 #else 560 bg = WSCOL_BLACK; 561 #endif 562 } 563 564 if ((flg & WSATTR_REVERSE) != 0) { 565 swap = fg; 566 fg = bg; 567 bg = swap; 568 } 569 570 if ((flg & WSATTR_HILIT) != 0) 571 fg += 8; 572 573 flg = flg & WSATTR_USERMASK; 574 575 if (rasops_isgray[fg]) 576 flg |= WSATTR_PRIVATE1; 577 578 if (rasops_isgray[bg]) 579 flg |= WSATTR_PRIVATE2; 580 581 *attr = (bg << 16) | (fg << 24) | flg; 582 return 0; 583 } 584 585 /* 586 * Allocate a mono attribute. 587 */ 588 static int 589 rasops_allocattr_mono(void *cookie, int fg, int bg, int flg, 590 long *attr) 591 { 592 int swap; 593 594 if ((flg & (WSATTR_BLINK | WSATTR_HILIT | WSATTR_WSCOLORS)) != 0) 595 return EINVAL; 596 597 fg = 1; 598 bg = 0; 599 600 if ((flg & WSATTR_REVERSE) != 0) { 601 swap = fg; 602 fg = bg; 603 bg = swap; 604 } 605 606 *attr = (bg << 16) | (fg << 24) | ((flg & WSATTR_UNDERLINE) ? 7 : 6); 607 return 0; 608 } 609 610 /* 611 * Copy rows. 612 */ 613 static void 614 rasops_copyrows(void *cookie, int src, int dst, int num) 615 { 616 uint32_t *sp, *dp, *hp, *srp, *drp, *hrp; 617 struct rasops_info *ri; 618 int n8, n1, cnt, delta; 619 620 ri = (struct rasops_info *)cookie; 621 hp = hrp = NULL; 622 623 #ifdef RASOPS_CLIPPING 624 if (dst == src) 625 return; 626 627 if (src < 0) { 628 num += src; 629 src = 0; 630 } 631 632 if ((src + num) > ri->ri_rows) 633 num = ri->ri_rows - src; 634 635 if (dst < 0) { 636 num += dst; 637 dst = 0; 638 } 639 640 if ((dst + num) > ri->ri_rows) 641 num = ri->ri_rows - dst; 642 643 if (num <= 0) 644 return; 645 #endif 646 647 num *= ri->ri_font->fontheight; 648 n8 = ri->ri_emustride >> 5; 649 n1 = (ri->ri_emustride >> 2) & 7; 650 651 if (dst < src) { 652 srp = (uint32_t *)(ri->ri_bits + src * ri->ri_yscale); 653 drp = (uint32_t *)(ri->ri_bits + dst * ri->ri_yscale); 654 if (ri->ri_hwbits) 655 hrp = (uint32_t *)(ri->ri_hwbits + dst * 656 ri->ri_yscale); 657 delta = ri->ri_stride; 658 } else { 659 src = ri->ri_font->fontheight * src + num - 1; 660 dst = ri->ri_font->fontheight * dst + num - 1; 661 srp = (uint32_t *)(ri->ri_bits + src * ri->ri_stride); 662 drp = (uint32_t *)(ri->ri_bits + dst * ri->ri_stride); 663 if (ri->ri_hwbits) 664 hrp = (uint32_t *)(ri->ri_hwbits + dst * 665 ri->ri_stride); 666 667 delta = -ri->ri_stride; 668 } 669 670 while (num--) { 671 dp = drp; 672 sp = srp; 673 if (ri->ri_hwbits) 674 hp = hrp; 675 676 DELTA(drp, delta, uint32_t *); 677 DELTA(srp, delta, uint32_t *); 678 if (ri->ri_hwbits) 679 DELTA(hrp, delta, uint32_t *); 680 681 for (cnt = n8; cnt; cnt--) { 682 dp[0] = sp[0]; 683 dp[1] = sp[1]; 684 dp[2] = sp[2]; 685 dp[3] = sp[3]; 686 dp[4] = sp[4]; 687 dp[5] = sp[5]; 688 dp[6] = sp[6]; 689 dp[7] = sp[7]; 690 dp += 8; 691 sp += 8; 692 } 693 if (ri->ri_hwbits) { 694 sp -= (8 * n8); 695 for (cnt = n8; cnt; cnt--) { 696 hp[0] = sp[0]; 697 hp[1] = sp[1]; 698 hp[2] = sp[2]; 699 hp[3] = sp[3]; 700 hp[4] = sp[4]; 701 hp[5] = sp[5]; 702 hp[6] = sp[6]; 703 hp[7] = sp[7]; 704 hp += 8; 705 sp += 8; 706 } 707 } 708 709 for (cnt = n1; cnt; cnt--) { 710 *dp++ = *sp++; 711 if (ri->ri_hwbits) 712 *hp++ = *(sp - 1); 713 } 714 } 715 } 716 717 /* 718 * Copy columns. This is slow, and hard to optimize due to alignment, 719 * and the fact that we have to copy both left->right and right->left. 720 * We simply cop-out here and use memmove(), since it handles all of 721 * these cases anyway. 722 */ 723 void 724 rasops_copycols(void *cookie, int row, int src, int dst, int num) 725 { 726 struct rasops_info *ri; 727 uint8_t *sp, *dp, *hp; 728 int height; 729 730 ri = (struct rasops_info *)cookie; 731 hp = NULL; 732 733 #ifdef RASOPS_CLIPPING 734 if (dst == src) 735 return; 736 737 /* Catches < 0 case too */ 738 if ((unsigned)row >= (unsigned)ri->ri_rows) 739 return; 740 741 if (src < 0) { 742 num += src; 743 src = 0; 744 } 745 746 if ((src + num) > ri->ri_cols) 747 num = ri->ri_cols - src; 748 749 if (dst < 0) { 750 num += dst; 751 dst = 0; 752 } 753 754 if ((dst + num) > ri->ri_cols) 755 num = ri->ri_cols - dst; 756 757 if (num <= 0) 758 return; 759 #endif 760 761 num *= ri->ri_xscale; 762 row *= ri->ri_yscale; 763 height = ri->ri_font->fontheight; 764 765 sp = ri->ri_bits + row + src * ri->ri_xscale; 766 dp = ri->ri_bits + row + dst * ri->ri_xscale; 767 if (ri->ri_hwbits) 768 hp = ri->ri_hwbits + row + dst * ri->ri_xscale; 769 770 while (height--) { 771 memmove(dp, sp, num); 772 if (ri->ri_hwbits) { 773 memcpy(hp, sp, num); 774 hp += ri->ri_stride; 775 } 776 dp += ri->ri_stride; 777 sp += ri->ri_stride; 778 } 779 } 780 781 /* 782 * Turn cursor off/on. 783 */ 784 static void 785 rasops_cursor(void *cookie, int on, int row, int col) 786 { 787 struct rasops_info *ri; 788 789 ri = (struct rasops_info *)cookie; 790 791 /* Turn old cursor off */ 792 if ((ri->ri_flg & RI_CURSOR) != 0) 793 #ifdef RASOPS_CLIPPING 794 if ((ri->ri_flg & RI_CURSORCLIP) == 0) 795 #endif 796 ri->ri_do_cursor(ri); 797 798 /* Select new cursor */ 799 #ifdef RASOPS_CLIPPING 800 ri->ri_flg &= ~RI_CURSORCLIP; 801 802 if (row < 0 || row >= ri->ri_rows) 803 ri->ri_flg |= RI_CURSORCLIP; 804 else if (col < 0 || col >= ri->ri_cols) 805 ri->ri_flg |= RI_CURSORCLIP; 806 #endif 807 ri->ri_crow = row; 808 ri->ri_ccol = col; 809 810 if (on) { 811 ri->ri_flg |= RI_CURSOR; 812 #ifdef RASOPS_CLIPPING 813 if ((ri->ri_flg & RI_CURSORCLIP) == 0) 814 #endif 815 ri->ri_do_cursor(ri); 816 } else 817 ri->ri_flg &= ~RI_CURSOR; 818 } 819 820 /* 821 * Make the device colormap 822 */ 823 static void 824 rasops_init_devcmap(struct rasops_info *ri) 825 { 826 const uint8_t *p; 827 int i, c; 828 829 switch (ri->ri_depth) { 830 case 1: 831 ri->ri_devcmap[0] = 0; 832 for (i = 1; i < 16; i++) 833 ri->ri_devcmap[i] = -1; 834 return; 835 836 case 2: 837 for (i = 1; i < 15; i++) 838 ri->ri_devcmap[i] = 0xaaaaaaaaU; 839 840 ri->ri_devcmap[0] = 0; 841 ri->ri_devcmap[8] = 0x55555555U; 842 ri->ri_devcmap[15] = -1; 843 return; 844 845 case 8: 846 if ((ri->ri_flg & RI_8BIT_IS_RGB) == 0) { 847 for (i = 0; i < 16; i++) 848 ri->ri_devcmap[i] = 849 i | (i<<8) | (i<<16) | (i<<24); 850 return; 851 } 852 } 853 854 p = rasops_cmap; 855 856 for (i = 0; i < 16; i++) { 857 if (ri->ri_rnum <= 8) 858 c = (*p >> (8 - ri->ri_rnum)) << ri->ri_rpos; 859 else 860 c = (*p << (ri->ri_rnum - 8)) << ri->ri_rpos; 861 p++; 862 863 if (ri->ri_gnum <= 8) 864 c |= (*p >> (8 - ri->ri_gnum)) << ri->ri_gpos; 865 else 866 c |= (*p << (ri->ri_gnum - 8)) << ri->ri_gpos; 867 p++; 868 869 if (ri->ri_bnum <= 8) 870 c |= (*p >> (8 - ri->ri_bnum)) << ri->ri_bpos; 871 else 872 c |= (*p << (ri->ri_bnum - 8)) << ri->ri_bpos; 873 p++; 874 875 /* Fill the word for generic routines, which want this */ 876 if (ri->ri_depth == 24) 877 c = c | ((c & 0xff) << 24); 878 else if (ri->ri_depth == 8) { 879 c = c | (c << 8); 880 c |= c << 16; 881 } else if (ri->ri_depth <= 16) 882 c = c | (c << 16); 883 884 /* 24bpp does bswap on the fly. {32,16,15}bpp do it here. */ 885 if ((ri->ri_flg & RI_BSWAP) == 0) 886 ri->ri_devcmap[i] = c; 887 else if (ri->ri_depth == 32) 888 ri->ri_devcmap[i] = bswap32(c); 889 else if (ri->ri_depth == 16 || ri->ri_depth == 15) 890 ri->ri_devcmap[i] = bswap16(c); 891 else 892 ri->ri_devcmap[i] = c; 893 } 894 } 895 896 /* 897 * Unpack a rasops attribute 898 */ 899 void 900 rasops_unpack_attr(long attr, int *fg, int *bg, int *underline) 901 { 902 903 *fg = ((u_int)attr >> 24) & 0xf; 904 *bg = ((u_int)attr >> 16) & 0xf; 905 if (underline != NULL) 906 *underline = (u_int)attr & WSATTR_UNDERLINE; 907 } 908 909 /* 910 * Erase rows. This isn't static, since 24-bpp uses it in special cases. 911 */ 912 void 913 rasops_eraserows(void *cookie, int row, int num, long attr) 914 { 915 struct rasops_info *ri; 916 int np, nw, cnt, delta; 917 uint32_t *dp, *hp, clr; 918 int i; 919 920 ri = (struct rasops_info *)cookie; 921 hp = NULL; 922 923 #ifdef RASOPS_CLIPPING 924 if (row < 0) { 925 num += row; 926 row = 0; 927 } 928 929 if ((row + num) > ri->ri_rows) 930 num = ri->ri_rows - row; 931 932 if (num <= 0) 933 return; 934 #endif 935 936 clr = ri->ri_devcmap[(attr >> 16) & 0xf]; 937 938 /* 939 * XXX The wsdisplay_emulops interface seems a little deficient in 940 * that there is no way to clear the *entire* screen. We provide a 941 * workaround here: if the entire console area is being cleared, and 942 * the RI_FULLCLEAR flag is set, clear the entire display. 943 */ 944 if (num == ri->ri_rows && (ri->ri_flg & RI_FULLCLEAR) != 0) { 945 np = ri->ri_stride >> 5; 946 nw = (ri->ri_stride >> 2) & 7; 947 num = ri->ri_height; 948 dp = (uint32_t *)ri->ri_origbits; 949 if (ri->ri_hwbits) 950 hp = (uint32_t *)ri->ri_hworigbits; 951 delta = 0; 952 } else { 953 np = ri->ri_emustride >> 5; 954 nw = (ri->ri_emustride >> 2) & 7; 955 num *= ri->ri_font->fontheight; 956 dp = (uint32_t *)(ri->ri_bits + row * ri->ri_yscale); 957 if (ri->ri_hwbits) 958 hp = (uint32_t *)(ri->ri_hwbits + row * 959 ri->ri_yscale); 960 delta = ri->ri_delta; 961 } 962 963 while (num--) { 964 for (cnt = np; cnt; cnt--) { 965 for (i = 0; i < 8; i++) { 966 dp[i] = clr; 967 if (ri->ri_hwbits) 968 hp[i] = clr; 969 } 970 dp += 8; 971 if (ri->ri_hwbits) 972 hp += 8; 973 } 974 975 for (cnt = nw; cnt; cnt--) { 976 *(uint32_t *)dp = clr; 977 DELTA(dp, 4, uint32_t *); 978 if (ri->ri_hwbits) { 979 *(uint32_t *)hp = clr; 980 DELTA(hp, 4, uint32_t *); 981 } 982 } 983 984 DELTA(dp, delta, uint32_t *); 985 if (ri->ri_hwbits) 986 DELTA(hp, delta, uint32_t *); 987 } 988 } 989 990 /* 991 * Actually turn the cursor on or off. This does the dirty work for 992 * rasops_cursor(). 993 */ 994 static void 995 rasops_do_cursor(struct rasops_info *ri) 996 { 997 int full, height, cnt, slop1, slop2, row, col; 998 uint32_t tmp32, msk1, msk2; 999 uint8_t tmp8; 1000 uint8_t *dp, *rp, *hrp, *hp; 1001 1002 hrp = hp = NULL; 1003 1004 #if NRASOPS_ROTATION > 0 1005 if (ri->ri_flg & RI_ROTATE_MASK) { 1006 if (ri->ri_flg & RI_ROTATE_CW) { 1007 /* Rotate rows/columns */ 1008 row = ri->ri_ccol; 1009 col = ri->ri_rows - ri->ri_crow - 1; 1010 } else if (ri->ri_flg & RI_ROTATE_CCW) { 1011 /* Rotate rows/columns */ 1012 row = ri->ri_cols - ri->ri_ccol - 1; 1013 col = ri->ri_crow; 1014 } else { /* upside-down */ 1015 row = ri->ri_crow; 1016 col = ri->ri_ccol; 1017 } 1018 } else 1019 #endif 1020 { 1021 row = ri->ri_crow; 1022 col = ri->ri_ccol; 1023 } 1024 1025 rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale; 1026 if (ri->ri_hwbits) 1027 hrp = ri->ri_hwbits + row * ri->ri_yscale + col 1028 * ri->ri_xscale; 1029 height = ri->ri_font->fontheight; 1030 1031 /* 1032 * For ri_xscale = 1: 1033 * 1034 * Logic below does not work for ri_xscale = 1, e.g., 1035 * fontwidth = 8 and bpp = 1. So we take care of it. 1036 */ 1037 if (ri->ri_xscale == 1) { 1038 while (height--) { 1039 tmp8 = ~*rp; 1040 1041 *rp = tmp8; 1042 rp += ri->ri_stride; 1043 1044 if (ri->ri_hwbits) { 1045 *hrp = tmp8; 1046 hrp += ri->ri_stride; 1047 } 1048 } 1049 return; 1050 } 1051 1052 /* 1053 * For ri_xscale = 2, 3, 4, ...: 1054 * 1055 * Note that siop1 <= ri_xscale even for ri_xscale = 2, 1056 * since rp % 3 = 0 or 2 (ri_stride % 4 = 0). 1057 */ 1058 slop1 = (4 - ((uintptr_t)rp & 3)) & 3; 1059 slop2 = (ri->ri_xscale - slop1) & 3; 1060 full = (ri->ri_xscale - slop1 - slop2) >> 2; 1061 1062 rp = (uint8_t *)((uintptr_t)rp & ~3); 1063 hrp = (uint8_t *)((uintptr_t)hrp & ~3); 1064 1065 msk1 = !slop1 ? 0 : be32toh(0xffffffffU >> (32 - (8 * slop1))); 1066 msk2 = !slop2 ? 0 : be32toh(0xffffffffU << (32 - (8 * slop2))); 1067 1068 while (height--) { 1069 dp = rp; 1070 rp += ri->ri_stride; 1071 if (ri->ri_hwbits) { 1072 hp = hrp; 1073 hrp += ri->ri_stride; 1074 } 1075 1076 if (slop1) { 1077 tmp32 = *(uint32_t *)dp ^ msk1; 1078 *(uint32_t *)dp = tmp32; 1079 dp += 4; 1080 if (ri->ri_hwbits) { 1081 *(uint32_t *)hp = tmp32; 1082 hp += 4; 1083 } 1084 } 1085 1086 for (cnt = full; cnt; cnt--) { 1087 tmp32 = ~*(uint32_t *)dp; 1088 *(uint32_t *)dp = tmp32; 1089 dp += 4; 1090 if (ri->ri_hwbits) { 1091 *(uint32_t *)hp = tmp32; 1092 hp += 4; 1093 } 1094 } 1095 1096 if (slop2) { 1097 tmp32 = *(uint32_t *)dp ^ msk2; 1098 *(uint32_t *)dp = tmp32; 1099 if (ri->ri_hwbits) 1100 *(uint32_t *)hp = tmp32; 1101 } 1102 } 1103 } 1104 1105 /* 1106 * Erase columns. 1107 */ 1108 void 1109 rasops_erasecols(void *cookie, int row, int col, int num, long attr) 1110 { 1111 int n8, height, cnt, slop1, slop2, clr; 1112 struct rasops_info *ri; 1113 uint32_t *rp, *dp, *hrp, *hp; 1114 int i; 1115 1116 ri = (struct rasops_info *)cookie; 1117 hrp = hp = NULL; 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 = 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 - ((long)rp & 3)) & 3; 1211 slop2 = (num - slop1) & 3; 1212 num -= slop1 + slop2; 1213 n8 = num >> 5; 1214 num = (num >> 2) & 7; 1215 1216 while (height--) { 1217 dp = rp; 1218 DELTA(rp, ri->ri_stride, uint32_t *); 1219 if (ri->ri_hwbits) { 1220 hp = hrp; 1221 DELTA(hrp, ri->ri_stride, uint32_t *); 1222 } 1223 1224 /* Align span to 4 bytes */ 1225 if (slop1 & 1) { 1226 *(uint8_t *)dp = clr; 1227 DELTA(dp, 1, uint32_t *); 1228 if (ri->ri_hwbits) { 1229 *(uint8_t *)hp = clr; 1230 DELTA(hp, 1, uint32_t *); 1231 } 1232 } 1233 1234 if (slop1 & 2) { 1235 *(uint16_t *)dp = clr; 1236 DELTA(dp, 2, uint32_t *); 1237 if (ri->ri_hwbits) { 1238 *(uint16_t *)hp = clr; 1239 DELTA(hp, 2, uint32_t *); 1240 } 1241 } 1242 1243 /* Write 32 bytes per loop */ 1244 for (cnt = n8; cnt; cnt--) { 1245 for (i = 0; i < 8; i++) { 1246 dp[i] = clr; 1247 if (ri->ri_hwbits) 1248 hp[i] = clr; 1249 } 1250 dp += 8; 1251 if (ri->ri_hwbits) 1252 hp += 8; 1253 } 1254 1255 /* Write 4 bytes per loop */ 1256 for (cnt = num; cnt; cnt--) { 1257 *dp++ = clr; 1258 if (ri->ri_hwbits) 1259 *hp++ = clr; 1260 } 1261 1262 /* Write unaligned trailing slop */ 1263 if (slop2 & 1) { 1264 *(uint8_t *)dp = clr; 1265 DELTA(dp, 1, uint32_t *); 1266 if (ri->ri_hwbits) { 1267 *(uint8_t *)hp = clr; 1268 DELTA(hp, 1, uint32_t *); 1269 } 1270 } 1271 1272 if (slop2 & 2) { 1273 *(uint16_t *)dp = clr; 1274 if (ri->ri_hwbits) 1275 *(uint16_t *)hp = clr; 1276 } 1277 } 1278 } 1279 1280 #if NRASOPS_ROTATION > 0 1281 /* 1282 * Quarter clockwise rotation routines (originally intended for the 1283 * built-in Zaurus C3x00 display in 16bpp). 1284 */ 1285 1286 #include <sys/malloc.h> 1287 1288 static void 1289 rasops_rotate_font(int *cookie, int rotate) 1290 { 1291 struct rotatedfont *f; 1292 int ncookie; 1293 1294 SLIST_FOREACH(f, &rotatedfonts, rf_next) { 1295 if (f->rf_cookie == *cookie) { 1296 *cookie = f->rf_rotated; 1297 return; 1298 } 1299 } 1300 1301 /* 1302 * We did not find a rotated version of this font. Ask the wsfont 1303 * code to compute one for us. 1304 */ 1305 1306 f = malloc(sizeof(struct rotatedfont), M_DEVBUF, M_WAITOK); 1307 if (f == NULL) 1308 goto fail0; 1309 1310 if ((ncookie = wsfont_rotate(*cookie, rotate)) == -1) 1311 goto fail1; 1312 1313 f->rf_cookie = *cookie; 1314 f->rf_rotated = ncookie; 1315 SLIST_INSERT_HEAD(&rotatedfonts, f, rf_next); 1316 1317 *cookie = ncookie; 1318 return; 1319 1320 fail1: free(f, M_DEVBUF); 1321 fail0: /* Just use the existing font, I guess... */ 1322 return; 1323 } 1324 1325 static void 1326 rasops_copychar(void *cookie, int srcrow, int dstrow, int srccol, int dstcol) 1327 { 1328 struct rasops_info *ri; 1329 uint8_t *sp, *dp; 1330 int height; 1331 int r_srcrow, r_dstrow, r_srccol, r_dstcol; 1332 1333 ri = (struct rasops_info *)cookie; 1334 1335 r_srcrow = srccol; 1336 r_dstrow = dstcol; 1337 r_srccol = ri->ri_rows - srcrow - 1; 1338 r_dstcol = ri->ri_rows - dstrow - 1; 1339 1340 r_srcrow *= ri->ri_yscale; 1341 r_dstrow *= ri->ri_yscale; 1342 height = ri->ri_font->fontheight; 1343 1344 sp = ri->ri_bits + r_srcrow + r_srccol * ri->ri_xscale; 1345 dp = ri->ri_bits + r_dstrow + r_dstcol * ri->ri_xscale; 1346 1347 while (height--) { 1348 memmove(dp, sp, ri->ri_xscale); 1349 dp += ri->ri_stride; 1350 sp += ri->ri_stride; 1351 } 1352 } 1353 1354 static void 1355 rasops_putchar_rotated_cw(void *cookie, int row, int col, u_int uc, long attr) 1356 { 1357 struct rasops_info *ri; 1358 uint8_t *rp; 1359 int height; 1360 1361 ri = (struct rasops_info *)cookie; 1362 1363 if (__predict_false((unsigned int)row > ri->ri_rows || 1364 (unsigned int)col > ri->ri_cols)) 1365 return; 1366 1367 /* Avoid underflow */ 1368 if ((ri->ri_rows - row - 1) < 0) 1369 return; 1370 1371 /* Do rotated char sans (side)underline */ 1372 ri->ri_real_ops.putchar(cookie, col, ri->ri_rows - row - 1, uc, 1373 attr & ~WSATTR_UNDERLINE); 1374 1375 /* Do rotated underline */ 1376 rp = ri->ri_bits + col * ri->ri_yscale + (ri->ri_rows - row - 1) * 1377 ri->ri_xscale; 1378 height = ri->ri_font->fontheight; 1379 1380 /* XXX this assumes 16-bit color depth */ 1381 if ((attr & WSATTR_UNDERLINE) != 0) { 1382 uint16_t c = 1383 (uint16_t)ri->ri_devcmap[((u_int)attr >> 24) & 0xf]; 1384 1385 while (height--) { 1386 *(uint16_t *)rp = c; 1387 rp += ri->ri_stride; 1388 } 1389 } 1390 } 1391 1392 static void 1393 rasops_erasecols_rotated_cw(void *cookie, int row, int col, int num, long attr) 1394 { 1395 struct rasops_info *ri; 1396 int i; 1397 1398 ri = (struct rasops_info *)cookie; 1399 1400 for (i = col; i < col + num; i++) 1401 ri->ri_ops.putchar(cookie, row, i, ' ', attr); 1402 } 1403 1404 /* XXX: these could likely be optimised somewhat. */ 1405 static void 1406 rasops_copyrows_rotated_cw(void *cookie, int src, int dst, int num) 1407 { 1408 struct rasops_info *ri = (struct rasops_info *)cookie; 1409 int col, roff; 1410 1411 if (src > dst) 1412 for (roff = 0; roff < num; roff++) 1413 for (col = 0; col < ri->ri_cols; col++) 1414 rasops_copychar(cookie, src + roff, dst + roff, 1415 col, col); 1416 else 1417 for (roff = num - 1; roff >= 0; roff--) 1418 for (col = 0; col < ri->ri_cols; col++) 1419 rasops_copychar(cookie, src + roff, dst + roff, 1420 col, col); 1421 } 1422 1423 static void 1424 rasops_copycols_rotated_cw(void *cookie, int row, int src, int dst, int num) 1425 { 1426 int coff; 1427 1428 if (src > dst) 1429 for (coff = 0; coff < num; coff++) 1430 rasops_copychar(cookie, row, row, src + coff, 1431 dst + coff); 1432 else 1433 for (coff = num - 1; coff >= 0; coff--) 1434 rasops_copychar(cookie, row, row, src + coff, 1435 dst + coff); 1436 } 1437 1438 static void 1439 rasops_eraserows_rotated_cw(void *cookie, int row, int num, long attr) 1440 { 1441 struct rasops_info *ri; 1442 int col, rn; 1443 1444 ri = (struct rasops_info *)cookie; 1445 1446 for (rn = row; rn < row + num; rn++) 1447 for (col = 0; col < ri->ri_cols; col++) 1448 ri->ri_ops.putchar(cookie, rn, col, ' ', attr); 1449 } 1450 1451 /* 1452 * Quarter counter-clockwise rotation routines (originally intended for the 1453 * built-in Sharp W-ZERO3 display in 16bpp). 1454 */ 1455 static void 1456 rasops_copychar_ccw(void *cookie, int srcrow, int dstrow, int srccol, 1457 int dstcol) 1458 { 1459 struct rasops_info *ri; 1460 uint8_t *sp, *dp; 1461 int height; 1462 int r_srcrow, r_dstrow, r_srccol, r_dstcol; 1463 1464 ri = (struct rasops_info *)cookie; 1465 1466 r_srcrow = ri->ri_cols - srccol - 1; 1467 r_dstrow = ri->ri_cols - dstcol - 1; 1468 r_srccol = srcrow; 1469 r_dstcol = dstrow; 1470 1471 r_srcrow *= ri->ri_yscale; 1472 r_dstrow *= ri->ri_yscale; 1473 height = ri->ri_font->fontheight; 1474 1475 sp = ri->ri_bits + r_srcrow + r_srccol * ri->ri_xscale; 1476 dp = ri->ri_bits + r_dstrow + r_dstcol * ri->ri_xscale; 1477 1478 while (height--) { 1479 memmove(dp, sp, ri->ri_xscale); 1480 dp += ri->ri_stride; 1481 sp += ri->ri_stride; 1482 } 1483 } 1484 1485 static void 1486 rasops_putchar_rotated_ccw(void *cookie, int row, int col, u_int uc, long attr) 1487 { 1488 struct rasops_info *ri; 1489 uint8_t *rp; 1490 int height; 1491 1492 ri = (struct rasops_info *)cookie; 1493 1494 if (__predict_false((unsigned int)row > ri->ri_rows || 1495 (unsigned int)col > ri->ri_cols)) 1496 return; 1497 1498 /* Avoid underflow */ 1499 if ((ri->ri_cols - col - 1) < 0) 1500 return; 1501 1502 /* Do rotated char sans (side)underline */ 1503 ri->ri_real_ops.putchar(cookie, ri->ri_cols - col - 1, row, uc, 1504 attr & ~WSATTR_UNDERLINE); 1505 1506 /* Do rotated underline */ 1507 rp = ri->ri_bits + (ri->ri_cols - col - 1) * ri->ri_yscale + 1508 row * ri->ri_xscale + 1509 (ri->ri_font->fontwidth - 1) * ri->ri_pelbytes; 1510 height = ri->ri_font->fontheight; 1511 1512 /* XXX this assumes 16-bit color depth */ 1513 if ((attr & WSATTR_UNDERLINE) != 0) { 1514 uint16_t c = 1515 (uint16_t)ri->ri_devcmap[((u_int)attr >> 24) & 0xf]; 1516 1517 while (height--) { 1518 *(uint16_t *)rp = c; 1519 rp += ri->ri_stride; 1520 } 1521 } 1522 } 1523 1524 /* XXX: these could likely be optimised somewhat. */ 1525 static void 1526 rasops_copyrows_rotated_ccw(void *cookie, int src, int dst, int num) 1527 { 1528 struct rasops_info *ri = (struct rasops_info *)cookie; 1529 int col, roff; 1530 1531 if (src > dst) 1532 for (roff = 0; roff < num; roff++) 1533 for (col = 0; col < ri->ri_cols; col++) 1534 rasops_copychar_ccw(cookie, 1535 src + roff, dst + roff, col, col); 1536 else 1537 for (roff = num - 1; roff >= 0; roff--) 1538 for (col = 0; col < ri->ri_cols; col++) 1539 rasops_copychar_ccw(cookie, 1540 src + roff, dst + roff, col, col); 1541 } 1542 1543 static void 1544 rasops_copycols_rotated_ccw(void *cookie, int row, int src, int dst, int num) 1545 { 1546 int coff; 1547 1548 if (src > dst) 1549 for (coff = 0; coff < num; coff++) 1550 rasops_copychar_ccw(cookie, row, row, 1551 src + coff, dst + coff); 1552 else 1553 for (coff = num - 1; coff >= 0; coff--) 1554 rasops_copychar_ccw(cookie, row, row, 1555 src + coff, dst + coff); 1556 } 1557 #endif /* NRASOPS_ROTATION */ 1558 1559 void 1560 rasops_make_box_chars_16(struct rasops_info *ri) 1561 { 1562 uint16_t vert_mask, hmask_left, hmask_right; 1563 uint16_t *data = (uint16_t *)ri->ri_optfont.data; 1564 int c, i, mid; 1565 1566 vert_mask = 0xc000 >> ((ri->ri_font->fontwidth >> 1) - 1); 1567 hmask_left = 0xff00 << (8 - (ri->ri_font->fontwidth >> 1)); 1568 hmask_right = hmask_left >> ((ri->ri_font->fontwidth + 1) >> 1); 1569 mid = (ri->ri_font->fontheight + 1) >> 1; 1570 1571 /* 0x00 would be empty anyway so don't bother */ 1572 for (c = 1; c < 16; c++) { 1573 data += ri->ri_font->fontheight; 1574 if (c & 1) { 1575 /* upper segment */ 1576 for (i = 0; i < mid; i++) 1577 data[i] = vert_mask; 1578 } 1579 if (c & 4) { 1580 /* lower segment */ 1581 for (i = mid; i < ri->ri_font->fontheight; i++) 1582 data[i] = vert_mask; 1583 } 1584 if (c & 2) { 1585 /* right segment */ 1586 i = ri->ri_font->fontheight >> 1; 1587 data[mid - 1] |= hmask_right; 1588 data[mid] |= hmask_right; 1589 } 1590 if (c & 8) { 1591 /* left segment */ 1592 data[mid - 1] |= hmask_left; 1593 data[mid] |= hmask_left; 1594 } 1595 } 1596 } 1597 1598 void 1599 rasops_make_box_chars_8(struct rasops_info *ri) 1600 { 1601 uint8_t vert_mask, hmask_left, hmask_right; 1602 uint8_t *data = (uint8_t *)ri->ri_optfont.data; 1603 int c, i, mid; 1604 1605 vert_mask = 0xc0 >> ((ri->ri_font->fontwidth >> 1) - 1); 1606 hmask_left = 0xf0 << (4 - (ri->ri_font->fontwidth >> 1)); 1607 hmask_right = hmask_left >> ((ri->ri_font->fontwidth + 1) >> 1); 1608 mid = (ri->ri_font->fontheight + 1) >> 1; 1609 1610 /* 0x00 would be empty anyway so don't bother */ 1611 for (c = 1; c < 16; c++) { 1612 data += ri->ri_font->fontheight; 1613 if (c & 1) { 1614 /* upper segment */ 1615 for (i = 0; i < mid; i++) 1616 data[i] = vert_mask; 1617 } 1618 if (c & 4) { 1619 /* lower segment */ 1620 for (i = mid; i < ri->ri_font->fontheight; i++) 1621 data[i] = vert_mask; 1622 } 1623 if (c & 2) { 1624 /* right segment */ 1625 i = ri->ri_font->fontheight >> 1; 1626 data[mid - 1] |= hmask_right; 1627 data[mid] |= hmask_right; 1628 } 1629 if (c & 8) { 1630 /* left segment */ 1631 data[mid - 1] |= hmask_left; 1632 data[mid] |= hmask_left; 1633 } 1634 } 1635 } 1636 1637 void 1638 rasops_make_box_chars_32(struct rasops_info *ri) 1639 { 1640 uint32_t vert_mask, hmask_left, hmask_right; 1641 uint32_t *data = (uint32_t *)ri->ri_optfont.data; 1642 int c, i, mid; 1643 1644 vert_mask = 0xc0000000U >> ((ri->ri_font->fontwidth >> 1) - 1); 1645 hmask_left = 0xffff0000U << (16 - (ri->ri_font->fontwidth >> 1)); 1646 hmask_right = hmask_left >> ((ri->ri_font->fontwidth + 1) >> 1); 1647 mid = (ri->ri_font->fontheight + 1) >> 1; 1648 1649 /* 0x00 would be empty anyway so don't bother */ 1650 for (c = 1; c < 16; c++) { 1651 data += ri->ri_font->fontheight; 1652 if (c & 1) { 1653 /* upper segment */ 1654 for (i = 0; i < mid; i++) 1655 data[i] = vert_mask; 1656 } 1657 if (c & 4) { 1658 /* lower segment */ 1659 for (i = mid; i < ri->ri_font->fontheight; i++) 1660 data[i] = vert_mask; 1661 } 1662 if (c & 2) { 1663 /* right segment */ 1664 i = ri->ri_font->fontheight >> 1; 1665 data[mid - 1] |= hmask_right; 1666 data[mid] |= hmask_right; 1667 } 1668 if (c & 8) { 1669 /* left segment */ 1670 data[mid - 1] |= hmask_left; 1671 data[mid] |= hmask_left; 1672 } 1673 } 1674 } 1675 1676 void 1677 rasops_make_box_chars_alpha(struct rasops_info *ri) 1678 { 1679 uint8_t *data = (uint8_t *)ri->ri_optfont.data; 1680 uint8_t *ddata; 1681 int c, i, hmid, vmid, wi, he; 1682 1683 wi = ri->ri_font->fontwidth; 1684 he = ri->ri_font->fontheight; 1685 1686 vmid = (he + 1) >> 1; 1687 hmid = (wi + 1) >> 1; 1688 1689 /* 0x00 would be empty anyway so don't bother */ 1690 for (c = 1; c < 16; c++) { 1691 data += ri->ri_fontscale; 1692 if (c & 1) { 1693 /* upper segment */ 1694 ddata = data + hmid; 1695 for (i = 0; i <= vmid; i++) { 1696 *ddata = 0xff; 1697 ddata += wi; 1698 } 1699 } 1700 if (c & 4) { 1701 /* lower segment */ 1702 ddata = data + wi * vmid + hmid; 1703 for (i = vmid; i < he; i++) { 1704 *ddata = 0xff; 1705 ddata += wi; 1706 } 1707 } 1708 if (c & 2) { 1709 /* right segment */ 1710 ddata = data + wi * vmid + hmid; 1711 for (i = hmid; i < wi; i++) { 1712 *ddata = 0xff; 1713 ddata++; 1714 } 1715 } 1716 if (c & 8) { 1717 /* left segment */ 1718 ddata = data + wi * vmid; 1719 for (i = 0; i <= hmid; i++) { 1720 *ddata = 0xff; 1721 ddata++; 1722 } 1723 } 1724 } 1725 } 1726 1727 /* 1728 * Return a colour map appropriate for the given struct rasops_info in the 1729 * same form used by rasops_cmap[] 1730 * For now this is either a copy of rasops_cmap[] or an R3G3B2 map, it should 1731 * probably be a linear ( or gamma corrected? ) ramp for higher depths. 1732 */ 1733 1734 int 1735 rasops_get_cmap(struct rasops_info *ri, uint8_t *palette, size_t bytes) 1736 { 1737 1738 if ((ri->ri_depth == 8 ) && ((ri->ri_flg & RI_8BIT_IS_RGB) > 0)) { 1739 /* generate an R3G3B2 palette */ 1740 int i, idx = 0; 1741 uint8_t tmp; 1742 1743 if (bytes < 768) 1744 return EINVAL; 1745 for (i = 0; i < 256; i++) { 1746 tmp = i & 0xe0; 1747 /* 1748 * replicate bits so 0xe0 maps to a red value of 0xff 1749 * in order to make white look actually white 1750 */ 1751 tmp |= (tmp >> 3) | (tmp >> 6); 1752 palette[idx] = tmp; 1753 idx++; 1754 1755 tmp = (i & 0x1c) << 3; 1756 tmp |= (tmp >> 3) | (tmp >> 6); 1757 palette[idx] = tmp; 1758 idx++; 1759 1760 tmp = (i & 0x03) << 6; 1761 tmp |= tmp >> 2; 1762 tmp |= tmp >> 4; 1763 palette[idx] = tmp; 1764 idx++; 1765 } 1766 } else 1767 memcpy(palette, rasops_cmap, MIN(bytes, sizeof(rasops_cmap))); 1768 return 0; 1769 } 1770
Indexes created Tue Sep 23 01:09:51 GMT 2025