1 /* $OpenBSD: rasops.c,v 1.19 2008/08/20 18:49:12 miod Exp $ */ 2 /* $NetBSD: rasops.c,v 1.35 2001/02/02 06:01:01 marcus Exp $ */ 3 4 /*- 5 * Copyright (c) 1999 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Andrew Doran. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/time.h> 36 37 #include <machine/endian.h> 38 39 #include <dev/wscons/wsdisplayvar.h> 40 #include <dev/wscons/wsconsio.h> 41 #include <dev/wsfont/wsfont.h> 42 #include <dev/rasops/rasops.h> 43 44 #ifndef _KERNEL 45 #include <errno.h> 46 #endif 47 48 /* ANSI colormap (R,G,B) */ 49 50 #define NORMAL_BLACK 0x000000 51 #define NORMAL_RED 0x7f0000 52 #define NORMAL_GREEN 0x007f00 53 #define NORMAL_BROWN 0x7f7f00 54 #define NORMAL_BLUE 0x00007f 55 #define NORMAL_MAGENTA 0x7f007f 56 #define NORMAL_CYAN 0x007f7f 57 #define NORMAL_WHITE 0xc7c7c7 /* XXX too dim? */ 58 59 #define HILITE_BLACK 0x7f7f7f 60 #define HILITE_RED 0xff0000 61 #define HILITE_GREEN 0x00ff00 62 #define HILITE_BROWN 0xffff00 63 #define HILITE_BLUE 0x0000ff 64 #define HILITE_MAGENTA 0xff00ff 65 #define HILITE_CYAN 0x00ffff 66 #define HILITE_WHITE 0xffffff 67 68 const u_char rasops_cmap[256 * 3] = { 69 #define _C(x) ((x) & 0xff0000) >> 16, ((x) & 0x00ff00) >> 8, ((x) & 0x0000ff) 70 71 _C(NORMAL_BLACK), 72 _C(NORMAL_RED), 73 _C(NORMAL_GREEN), 74 _C(NORMAL_BROWN), 75 _C(NORMAL_BLUE), 76 _C(NORMAL_MAGENTA), 77 _C(NORMAL_CYAN), 78 _C(NORMAL_WHITE), 79 80 _C(HILITE_BLACK), 81 _C(HILITE_RED), 82 _C(HILITE_GREEN), 83 _C(HILITE_BROWN), 84 _C(HILITE_BLUE), 85 _C(HILITE_MAGENTA), 86 _C(HILITE_CYAN), 87 _C(HILITE_WHITE), 88 89 /* 90 * For the cursor, we need the last 16 colors to be the 91 * opposite of the first 16. Fill the intermediate space with 92 * white completely for simplicity. 93 */ 94 #define _CMWHITE16 \ 95 _C(HILITE_WHITE), _C(HILITE_WHITE), _C(HILITE_WHITE), _C(HILITE_WHITE), \ 96 _C(HILITE_WHITE), _C(HILITE_WHITE), _C(HILITE_WHITE), _C(HILITE_WHITE), \ 97 _C(HILITE_WHITE), _C(HILITE_WHITE), _C(HILITE_WHITE), _C(HILITE_WHITE), \ 98 _C(HILITE_WHITE), _C(HILITE_WHITE), _C(HILITE_WHITE), _C(HILITE_WHITE), 99 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 100 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 101 _CMWHITE16 _CMWHITE16 _CMWHITE16 _CMWHITE16 102 #undef _CMWHITE16 103 104 _C(~HILITE_WHITE), 105 _C(~HILITE_CYAN), 106 _C(~HILITE_MAGENTA), 107 _C(~HILITE_BLUE), 108 _C(~HILITE_BROWN), 109 _C(~HILITE_GREEN), 110 _C(~HILITE_RED), 111 _C(~HILITE_BLACK), 112 113 _C(~NORMAL_WHITE), 114 _C(~NORMAL_CYAN), 115 _C(~NORMAL_MAGENTA), 116 _C(~NORMAL_BLUE), 117 _C(~NORMAL_BROWN), 118 _C(~NORMAL_GREEN), 119 _C(~NORMAL_RED), 120 _C(~NORMAL_BLACK), 121 122 #undef _C 123 }; 124 125 /* True if color is gray */ 126 const u_char rasops_isgray[16] = { 127 1, 0, 0, 0, 128 0, 0, 0, 1, 129 1, 0, 0, 0, 130 0, 0, 0, 1 131 }; 132 133 /* Generic functions */ 134 void rasops_copycols(void *, int, int, int, int); 135 void rasops_copyrows(void *, int, int, int); 136 int rasops_mapchar(void *, int, u_int *); 137 void rasops_cursor(void *, int, int, int); 138 int rasops_alloc_cattr(void *, int, int, int, long *); 139 int rasops_alloc_mattr(void *, int, int, int, long *); 140 void rasops_do_cursor(struct rasops_info *); 141 void rasops_init_devcmap(struct rasops_info *); 142 void rasops_unpack_attr(void *, long, int *, int *, int *); 143 #if NRASOPS_BSWAP > 0 144 static void slow_ovbcopy(void *, void *, size_t); 145 #endif 146 #if NRASOPS_ROTATION > 0 147 void rasops_copychar(void *, int, int, int, int); 148 void rasops_copycols_rotated(void *, int, int, int, int); 149 void rasops_copyrows_rotated(void *, int, int, int); 150 void rasops_erasecols_rotated(void *, int, int, int, long); 151 void rasops_eraserows_rotated(void *, int, int, long); 152 void rasops_putchar_rotated(void *, int, int, u_int, long); 153 void rasops_rotate_font(int *); 154 155 /* 156 * List of all rotated fonts 157 */ 158 SLIST_HEAD(, rotatedfont) rotatedfonts = SLIST_HEAD_INITIALIZER(rotatedfonts); 159 struct rotatedfont { 160 SLIST_ENTRY(rotatedfont) rf_next; 161 int rf_cookie; 162 int rf_rotated; 163 }; 164 #endif 165 166 /* 167 * Initialize a 'rasops_info' descriptor. 168 */ 169 int 170 rasops_init(ri, wantrows, wantcols) 171 struct rasops_info *ri; 172 int wantrows, wantcols; 173 { 174 175 #ifdef _KERNEL 176 /* Select a font if the caller doesn't care */ 177 if (ri->ri_font == NULL) { 178 int cookie; 179 180 wsfont_init(); 181 182 if (ri->ri_width > 80*12) 183 /* High res screen, choose a big font */ 184 cookie = wsfont_find(NULL, 12, 0, 0); 185 else 186 /* lower res, choose a 8 pixel wide font */ 187 cookie = wsfont_find(NULL, 8, 0, 0); 188 189 if (cookie <= 0) 190 cookie = wsfont_find(NULL, 0, 0, 0); 191 192 if (cookie <= 0) { 193 printf("rasops_init: font table is empty\n"); 194 return (-1); 195 } 196 197 #if NRASOPS_ROTATION > 0 198 /* 199 * Pick the rotated version of this font. This will create it 200 * if necessary. 201 */ 202 if (ri->ri_flg & RI_ROTATE_CW) 203 rasops_rotate_font(&cookie); 204 #endif 205 206 if (wsfont_lock(cookie, &ri->ri_font, 207 WSDISPLAY_FONTORDER_L2R, WSDISPLAY_FONTORDER_L2R) <= 0) { 208 printf("rasops_init: couldn't lock font\n"); 209 return (-1); 210 } 211 212 ri->ri_wsfcookie = cookie; 213 } 214 #endif 215 216 /* This should never happen in reality... */ 217 #ifdef DEBUG 218 if ((long)ri->ri_bits & 3) { 219 printf("rasops_init: bits not aligned on 32-bit boundary\n"); 220 return (-1); 221 } 222 223 if ((int)ri->ri_stride & 3) { 224 printf("rasops_init: stride not aligned on 32-bit boundary\n"); 225 return (-1); 226 } 227 #endif 228 229 if (rasops_reconfig(ri, wantrows, wantcols)) 230 return (-1); 231 232 rasops_init_devcmap(ri); 233 return (0); 234 } 235 236 /* 237 * Reconfigure (because parameters have changed in some way). 238 */ 239 int 240 rasops_reconfig(ri, wantrows, wantcols) 241 struct rasops_info *ri; 242 int wantrows, wantcols; 243 { 244 int l, bpp, s; 245 246 s = splhigh(); 247 248 if (ri->ri_font->fontwidth > 32 || ri->ri_font->fontwidth < 4) 249 panic("rasops_init: fontwidth assumptions botched!"); 250 251 /* Need this to frob the setup below */ 252 bpp = (ri->ri_depth == 15 ? 16 : ri->ri_depth); 253 254 if ((ri->ri_flg & RI_CFGDONE) != 0) 255 ri->ri_bits = ri->ri_origbits; 256 257 /* Don't care if the caller wants a hideously small console */ 258 if (wantrows < 10) 259 wantrows = 10; 260 261 if (wantcols < 20) 262 wantcols = 20; 263 264 /* Now constrain what they get */ 265 ri->ri_emuwidth = ri->ri_font->fontwidth * wantcols; 266 ri->ri_emuheight = ri->ri_font->fontheight * wantrows; 267 268 if (ri->ri_emuwidth > ri->ri_width) 269 ri->ri_emuwidth = ri->ri_width; 270 271 if (ri->ri_emuheight > ri->ri_height) 272 ri->ri_emuheight = ri->ri_height; 273 274 /* Reduce width until aligned on a 32-bit boundary */ 275 while ((ri->ri_emuwidth * bpp & 31) != 0) 276 ri->ri_emuwidth--; 277 278 #if NRASOPS_ROTATION > 0 279 if (ri->ri_flg & RI_ROTATE_CW) { 280 ri->ri_rows = ri->ri_emuwidth / ri->ri_font->fontwidth; 281 ri->ri_cols = ri->ri_emuheight / ri->ri_font->fontheight; 282 } else 283 #endif 284 { 285 ri->ri_cols = ri->ri_emuwidth / ri->ri_font->fontwidth; 286 ri->ri_rows = ri->ri_emuheight / ri->ri_font->fontheight; 287 } 288 ri->ri_emustride = ri->ri_emuwidth * bpp >> 3; 289 ri->ri_delta = ri->ri_stride - ri->ri_emustride; 290 ri->ri_ccol = 0; 291 ri->ri_crow = 0; 292 ri->ri_pelbytes = bpp >> 3; 293 294 ri->ri_xscale = (ri->ri_font->fontwidth * bpp) >> 3; 295 ri->ri_yscale = ri->ri_font->fontheight * ri->ri_stride; 296 ri->ri_fontscale = ri->ri_font->fontheight * ri->ri_font->stride; 297 298 #ifdef DEBUG 299 if ((ri->ri_delta & 3) != 0) 300 panic("rasops_init: ri_delta not aligned on 32-bit boundary"); 301 #endif 302 /* Clear the entire display */ 303 if ((ri->ri_flg & RI_CLEAR) != 0) { 304 memset(ri->ri_bits, 0, ri->ri_stride * ri->ri_height); 305 ri->ri_flg &= ~RI_CLEARMARGINS; 306 } 307 308 /* Now centre our window if needs be */ 309 ri->ri_origbits = ri->ri_bits; 310 311 if ((ri->ri_flg & RI_CENTER) != 0) { 312 ri->ri_bits += (((ri->ri_width * bpp >> 3) - 313 ri->ri_emustride) >> 1) & ~3; 314 ri->ri_bits += ((ri->ri_height - ri->ri_emuheight) >> 1) * 315 ri->ri_stride; 316 317 ri->ri_yorigin = (int)(ri->ri_bits - ri->ri_origbits) 318 / ri->ri_stride; 319 ri->ri_xorigin = (((int)(ri->ri_bits - ri->ri_origbits) 320 % ri->ri_stride) * 8 / bpp); 321 } else 322 ri->ri_xorigin = ri->ri_yorigin = 0; 323 324 /* Clear the margins */ 325 if ((ri->ri_flg & RI_CLEARMARGINS) != 0) { 326 memset(ri->ri_origbits, 0, ri->ri_bits - ri->ri_origbits); 327 for (l = 0; l < ri->ri_emuheight; l++) 328 memset(ri->ri_bits + ri->ri_emustride + 329 l * ri->ri_stride, 0, 330 ri->ri_stride - ri->ri_emustride); 331 memset(ri->ri_bits + ri->ri_emuheight * ri->ri_stride, 0, 332 (ri->ri_origbits + ri->ri_height * ri->ri_stride) - 333 (ri->ri_bits + ri->ri_emuheight * ri->ri_stride)); 334 } 335 336 /* 337 * Fill in defaults for operations set. XXX this nukes private 338 * routines used by accelerated fb drivers. 339 */ 340 ri->ri_ops.mapchar = rasops_mapchar; 341 ri->ri_ops.copyrows = rasops_copyrows; 342 ri->ri_ops.copycols = rasops_copycols; 343 ri->ri_ops.erasecols = rasops_erasecols; 344 ri->ri_ops.eraserows = rasops_eraserows; 345 ri->ri_ops.cursor = rasops_cursor; 346 ri->ri_ops.unpack_attr = rasops_unpack_attr; 347 ri->ri_do_cursor = rasops_do_cursor; 348 ri->ri_updatecursor = NULL; 349 350 if (ri->ri_depth < 8 || (ri->ri_flg & RI_FORCEMONO) != 0) { 351 ri->ri_ops.alloc_attr = rasops_alloc_mattr; 352 ri->ri_caps = WSSCREEN_UNDERLINE | WSSCREEN_REVERSE; 353 } else { 354 ri->ri_ops.alloc_attr = rasops_alloc_cattr; 355 ri->ri_caps = WSSCREEN_UNDERLINE | WSSCREEN_HILIT | 356 WSSCREEN_WSCOLORS | WSSCREEN_REVERSE; 357 } 358 359 switch (ri->ri_depth) { 360 #if NRASOPS1 > 0 361 case 1: 362 rasops1_init(ri); 363 break; 364 #endif 365 #if NRASOPS2 > 0 366 case 2: 367 rasops2_init(ri); 368 break; 369 #endif 370 #if NRASOPS4 > 0 371 case 4: 372 rasops4_init(ri); 373 break; 374 #endif 375 #if NRASOPS8 > 0 376 case 8: 377 rasops8_init(ri); 378 break; 379 #endif 380 #if NRASOPS15 > 0 || NRASOPS16 > 0 381 case 15: 382 case 16: 383 rasops15_init(ri); 384 break; 385 #endif 386 #if NRASOPS24 > 0 387 case 24: 388 rasops24_init(ri); 389 break; 390 #endif 391 #if NRASOPS32 > 0 392 case 32: 393 rasops32_init(ri); 394 break; 395 #endif 396 default: 397 ri->ri_flg &= ~RI_CFGDONE; 398 splx(s); 399 return (-1); 400 } 401 402 #if NRASOPS_ROTATION > 0 403 if (ri->ri_flg & RI_ROTATE_CW) { 404 ri->ri_real_ops = ri->ri_ops; 405 ri->ri_ops.copycols = rasops_copycols_rotated; 406 ri->ri_ops.copyrows = rasops_copyrows_rotated; 407 ri->ri_ops.erasecols = rasops_erasecols_rotated; 408 ri->ri_ops.eraserows = rasops_eraserows_rotated; 409 ri->ri_ops.putchar = rasops_putchar_rotated; 410 } 411 #endif 412 413 ri->ri_flg |= RI_CFGDONE; 414 splx(s); 415 return (0); 416 } 417 418 /* 419 * Map a character. 420 */ 421 int 422 rasops_mapchar(cookie, c, cp) 423 void *cookie; 424 int c; 425 u_int *cp; 426 { 427 struct rasops_info *ri; 428 429 ri = (struct rasops_info *)cookie; 430 431 #ifdef DIAGNOSTIC 432 if (ri->ri_font == NULL) 433 panic("rasops_mapchar: no font selected"); 434 #endif 435 if (ri->ri_font->encoding != WSDISPLAY_FONTENC_ISO) { 436 437 if ( (c = wsfont_map_unichar(ri->ri_font, c)) < 0) { 438 439 *cp = ' '; 440 return (0); 441 442 } 443 } 444 445 446 if (c < ri->ri_font->firstchar) { 447 *cp = ' '; 448 return (0); 449 } 450 451 if (c - ri->ri_font->firstchar >= ri->ri_font->numchars) { 452 *cp = ' '; 453 return (0); 454 } 455 456 *cp = c; 457 return (5); 458 } 459 460 /* 461 * Allocate a color attribute. 462 */ 463 int 464 rasops_alloc_cattr(cookie, fg, bg, flg, attr) 465 void *cookie; 466 int fg, bg, flg; 467 long *attr; 468 { 469 int swap; 470 471 #ifdef RASOPS_CLIPPING 472 fg &= 7; 473 bg &= 7; 474 #endif 475 if ((flg & WSATTR_BLINK) != 0) 476 return (EINVAL); 477 478 if ((flg & WSATTR_WSCOLORS) == 0) { 479 fg = WSCOL_WHITE; 480 bg = WSCOL_BLACK; 481 } 482 483 if ((flg & WSATTR_REVERSE) != 0) { 484 swap = fg; 485 fg = bg; 486 bg = swap; 487 } 488 489 if ((flg & WSATTR_HILIT) != 0) 490 fg += 8; 491 492 flg = ((flg & WSATTR_UNDERLINE) ? 1 : 0); 493 494 if (rasops_isgray[fg]) 495 flg |= 2; 496 497 if (rasops_isgray[bg]) 498 flg |= 4; 499 500 *attr = (bg << 16) | (fg << 24) | flg; 501 return (0); 502 } 503 504 /* 505 * Allocate a mono attribute. 506 */ 507 int 508 rasops_alloc_mattr(cookie, fg, bg, flg, attr) 509 void *cookie; 510 int fg, bg, flg; 511 long *attr; 512 { 513 int swap; 514 515 if ((flg & (WSATTR_BLINK | WSATTR_HILIT | WSATTR_WSCOLORS)) != 0) 516 return (EINVAL); 517 518 fg = 1; 519 bg = 0; 520 521 if ((flg & WSATTR_REVERSE) != 0) { 522 swap = fg; 523 fg = bg; 524 bg = swap; 525 } 526 527 *attr = (bg << 16) | (fg << 24) | ((flg & WSATTR_UNDERLINE) ? 7 : 6); 528 return (0); 529 } 530 531 /* 532 * Copy rows. 533 */ 534 void 535 rasops_copyrows(cookie, src, dst, num) 536 void *cookie; 537 int src, dst, num; 538 { 539 int32_t *sp, *dp, *srp, *drp; 540 struct rasops_info *ri; 541 int n8, n1, cnt, delta; 542 543 ri = (struct rasops_info *)cookie; 544 545 #ifdef RASOPS_CLIPPING 546 if (dst == src) 547 return; 548 549 if (src < 0) { 550 num += src; 551 src = 0; 552 } 553 554 if ((src + num) > ri->ri_rows) 555 num = ri->ri_rows - src; 556 557 if (dst < 0) { 558 num += dst; 559 dst = 0; 560 } 561 562 if ((dst + num) > ri->ri_rows) 563 num = ri->ri_rows - dst; 564 565 if (num <= 0) 566 return; 567 #endif 568 569 num *= ri->ri_font->fontheight; 570 n8 = ri->ri_emustride >> 5; 571 n1 = (ri->ri_emustride >> 2) & 7; 572 573 if (dst < src) { 574 srp = (int32_t *)(ri->ri_bits + src * ri->ri_yscale); 575 drp = (int32_t *)(ri->ri_bits + dst * ri->ri_yscale); 576 delta = ri->ri_stride; 577 } else { 578 src = ri->ri_font->fontheight * src + num - 1; 579 dst = ri->ri_font->fontheight * dst + num - 1; 580 srp = (int32_t *)(ri->ri_bits + src * ri->ri_stride); 581 drp = (int32_t *)(ri->ri_bits + dst * ri->ri_stride); 582 delta = -ri->ri_stride; 583 } 584 585 while (num--) { 586 dp = drp; 587 sp = srp; 588 DELTA(drp, delta, int32_t *); 589 DELTA(srp, delta, int32_t *); 590 591 for (cnt = n8; cnt; cnt--) { 592 dp[0] = sp[0]; 593 dp[1] = sp[1]; 594 dp[2] = sp[2]; 595 dp[3] = sp[3]; 596 dp[4] = sp[4]; 597 dp[5] = sp[5]; 598 dp[6] = sp[6]; 599 dp[7] = sp[7]; 600 dp += 8; 601 sp += 8; 602 } 603 604 for (cnt = n1; cnt; cnt--) 605 *dp++ = *sp++; 606 } 607 } 608 609 /* 610 * Copy columns. This is slow, and hard to optimize due to alignment, 611 * and the fact that we have to copy both left->right and right->left. 612 * We simply cop-out here and use ovbcopy(), since it handles all of 613 * these cases anyway. 614 */ 615 void 616 rasops_copycols(cookie, row, src, dst, num) 617 void *cookie; 618 int row, src, dst, num; 619 { 620 struct rasops_info *ri; 621 u_char *sp, *dp; 622 int height; 623 624 ri = (struct rasops_info *)cookie; 625 626 #ifdef RASOPS_CLIPPING 627 if (dst == src) 628 return; 629 630 /* Catches < 0 case too */ 631 if ((unsigned)row >= (unsigned)ri->ri_rows) 632 return; 633 634 if (src < 0) { 635 num += src; 636 src = 0; 637 } 638 639 if ((src + num) > ri->ri_cols) 640 num = ri->ri_cols - src; 641 642 if (dst < 0) { 643 num += dst; 644 dst = 0; 645 } 646 647 if ((dst + num) > ri->ri_cols) 648 num = ri->ri_cols - dst; 649 650 if (num <= 0) 651 return; 652 #endif 653 654 num *= ri->ri_xscale; 655 row *= ri->ri_yscale; 656 height = ri->ri_font->fontheight; 657 658 sp = ri->ri_bits + row + src * ri->ri_xscale; 659 dp = ri->ri_bits + row + dst * ri->ri_xscale; 660 661 #if NRASOPS_BSWAP > 0 662 if (ri->ri_flg & RI_BSWAP) { 663 while (height--) { 664 slow_ovbcopy(sp, dp, num); 665 dp += ri->ri_stride; 666 sp += ri->ri_stride; 667 } 668 } else 669 #endif 670 { 671 while (height--) { 672 ovbcopy(sp, dp, num); 673 dp += ri->ri_stride; 674 sp += ri->ri_stride; 675 } 676 } 677 } 678 679 /* 680 * Turn cursor off/on. 681 */ 682 void 683 rasops_cursor(cookie, on, row, col) 684 void *cookie; 685 int on, row, col; 686 { 687 struct rasops_info *ri; 688 689 ri = (struct rasops_info *)cookie; 690 691 /* Turn old cursor off */ 692 if ((ri->ri_flg & RI_CURSOR) != 0) 693 #ifdef RASOPS_CLIPPING 694 if ((ri->ri_flg & RI_CURSORCLIP) == 0) 695 #endif 696 ri->ri_do_cursor(ri); 697 698 /* Select new cursor */ 699 #ifdef RASOPS_CLIPPING 700 ri->ri_flg &= ~RI_CURSORCLIP; 701 702 if (row < 0 || row >= ri->ri_rows) 703 ri->ri_flg |= RI_CURSORCLIP; 704 else if (col < 0 || col >= ri->ri_cols) 705 ri->ri_flg |= RI_CURSORCLIP; 706 #endif 707 ri->ri_crow = row; 708 ri->ri_ccol = col; 709 710 if (ri->ri_updatecursor != NULL) 711 ri->ri_updatecursor(ri); 712 713 if (on) { 714 ri->ri_flg |= RI_CURSOR; 715 #ifdef RASOPS_CLIPPING 716 if ((ri->ri_flg & RI_CURSORCLIP) == 0) 717 #endif 718 ri->ri_do_cursor(ri); 719 } else 720 ri->ri_flg &= ~RI_CURSOR; 721 } 722 723 /* 724 * Make the device colormap 725 */ 726 void 727 rasops_init_devcmap(ri) 728 struct rasops_info *ri; 729 { 730 int i; 731 #if NRASOPS15 > 0 || NRASOPS16 > 0 || NRASOPS24 > 0 || NRASOPS32 > 0 732 const u_char *p; 733 #endif 734 #if NRASOPS4 > 0 || NRASOPS15 > 0 || NRASOPS16 > 0 || NRASOPS24 > 0 || NRASOPS32 > 0 735 int c; 736 #endif 737 738 if (ri->ri_depth == 1 || (ri->ri_flg & RI_FORCEMONO) != 0) { 739 ri->ri_devcmap[0] = 0; 740 for (i = 1; i < 16; i++) 741 ri->ri_devcmap[i] = 0xffffffff; 742 return; 743 } 744 745 switch (ri->ri_depth) { 746 #if NRASOPS2 > 0 747 case 2: 748 for (i = 1; i < 15; i++) 749 ri->ri_devcmap[i] = 0xaaaaaaaa; 750 751 ri->ri_devcmap[0] = 0; 752 ri->ri_devcmap[8] = 0x55555555; 753 ri->ri_devcmap[15] = 0xffffffff; 754 return; 755 #endif 756 #if NRASOPS4 > 0 757 case 4: 758 for (i = 0; i < 16; i++) { 759 c = i | (i << 4); 760 ri->ri_devcmap[i] = c | (c<<8) | (c<<16) | (c<<24); 761 } 762 return; 763 #endif 764 #if NRASOPS8 > 0 765 case 8: 766 for (i = 0; i < 16; i++) 767 ri->ri_devcmap[i] = i | (i<<8) | (i<<16) | (i<<24); 768 return; 769 #endif 770 default: 771 break; 772 } 773 774 #if NRASOPS15 > 0 || NRASOPS16 > 0 || NRASOPS24 > 0 || NRASOPS32 > 0 775 p = rasops_cmap; 776 777 for (i = 0; i < 16; i++) { 778 if (ri->ri_rnum <= 8) 779 c = (*p >> (8 - ri->ri_rnum)) << ri->ri_rpos; 780 else 781 c = (*p << (ri->ri_rnum - 8)) << ri->ri_rpos; 782 p++; 783 784 if (ri->ri_gnum <= 8) 785 c |= (*p >> (8 - ri->ri_gnum)) << ri->ri_gpos; 786 else 787 c |= (*p << (ri->ri_gnum - 8)) << ri->ri_gpos; 788 p++; 789 790 if (ri->ri_bnum <= 8) 791 c |= (*p >> (8 - ri->ri_bnum)) << ri->ri_bpos; 792 else 793 c |= (*p << (ri->ri_bnum - 8)) << ri->ri_bpos; 794 p++; 795 796 /* Fill the word for generic routines, which want this */ 797 if (ri->ri_depth == 24) 798 c = c | ((c & 0xff) << 24); 799 else if (ri->ri_depth <= 16) 800 c = c | (c << 16); 801 802 /* 24bpp does bswap on the fly. {32,16,15}bpp do it here. */ 803 #if NRASOPS_BSWAP > 0 804 if ((ri->ri_flg & RI_BSWAP) == 0) 805 ri->ri_devcmap[i] = c; 806 else if (ri->ri_depth == 32) 807 ri->ri_devcmap[i] = swap32(c); 808 else if (ri->ri_depth == 16 || ri->ri_depth == 15) 809 ri->ri_devcmap[i] = swap16(c); 810 else 811 ri->ri_devcmap[i] = c; 812 #else 813 ri->ri_devcmap[i] = c; 814 #endif 815 } 816 #endif 817 } 818 819 /* 820 * Unpack a rasops attribute 821 */ 822 void 823 rasops_unpack_attr(cookie, attr, fg, bg, underline) 824 void *cookie; 825 long attr; 826 int *fg, *bg, *underline; 827 { 828 *fg = ((u_int)attr >> 24) & 0xf; 829 *bg = ((u_int)attr >> 16) & 0xf; 830 if (underline != NULL) 831 *underline = (u_int)attr & 1; 832 } 833 834 /* 835 * Erase rows 836 */ 837 void 838 rasops_eraserows(cookie, row, num, attr) 839 void *cookie; 840 int row, num; 841 long attr; 842 { 843 struct rasops_info *ri; 844 int np, nw, cnt, delta; 845 int32_t *dp, clr; 846 847 ri = (struct rasops_info *)cookie; 848 849 #ifdef RASOPS_CLIPPING 850 if (row < 0) { 851 num += row; 852 row = 0; 853 } 854 855 if ((row + num) > ri->ri_rows) 856 num = ri->ri_rows - row; 857 858 if (num <= 0) 859 return; 860 #endif 861 862 clr = ri->ri_devcmap[(attr >> 16) & 0xf]; 863 864 /* 865 * XXX The wsdisplay_emulops interface seems a little deficient in 866 * that there is no way to clear the *entire* screen. We provide a 867 * workaround here: if the entire console area is being cleared, and 868 * the RI_FULLCLEAR flag is set, clear the entire display. 869 */ 870 if (num == ri->ri_rows && (ri->ri_flg & RI_FULLCLEAR) != 0) { 871 np = ri->ri_stride >> 5; 872 nw = (ri->ri_stride >> 2) & 7; 873 num = ri->ri_height; 874 dp = (int32_t *)ri->ri_origbits; 875 delta = 0; 876 } else { 877 np = ri->ri_emustride >> 5; 878 nw = (ri->ri_emustride >> 2) & 7; 879 num *= ri->ri_font->fontheight; 880 dp = (int32_t *)(ri->ri_bits + row * ri->ri_yscale); 881 delta = ri->ri_delta; 882 } 883 884 while (num--) { 885 for (cnt = np; cnt; cnt--) { 886 dp[0] = clr; 887 dp[1] = clr; 888 dp[2] = clr; 889 dp[3] = clr; 890 dp[4] = clr; 891 dp[5] = clr; 892 dp[6] = clr; 893 dp[7] = clr; 894 dp += 8; 895 } 896 897 for (cnt = nw; cnt; cnt--) { 898 *(int32_t *)dp = clr; 899 DELTA(dp, 4, int32_t *); 900 } 901 902 DELTA(dp, delta, int32_t *); 903 } 904 } 905 906 /* 907 * Actually turn the cursor on or off. This does the dirty work for 908 * rasops_cursor(). 909 */ 910 void 911 rasops_do_cursor(ri) 912 struct rasops_info *ri; 913 { 914 int full1, height, cnt, slop1, slop2, row, col; 915 u_char *dp, *rp; 916 917 #if NRASOPS_ROTATION > 0 918 if (ri->ri_flg & RI_ROTATE_CW) { 919 /* Rotate rows/columns */ 920 row = ri->ri_ccol; 921 col = ri->ri_rows - ri->ri_crow - 1; 922 } else 923 #endif 924 { 925 row = ri->ri_crow; 926 col = ri->ri_ccol; 927 } 928 929 rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale; 930 height = ri->ri_font->fontheight; 931 slop1 = (4 - ((long)rp & 3)) & 3; 932 933 if (slop1 > ri->ri_xscale) 934 slop1 = ri->ri_xscale; 935 936 slop2 = (ri->ri_xscale - slop1) & 3; 937 full1 = (ri->ri_xscale - slop1 - slop2) >> 2; 938 939 if ((slop1 | slop2) == 0) { 940 /* A common case */ 941 while (height--) { 942 dp = rp; 943 rp += ri->ri_stride; 944 945 for (cnt = full1; cnt; cnt--) { 946 *(int32_t *)dp ^= ~0; 947 dp += 4; 948 } 949 } 950 } else { 951 /* XXX this is stupid.. use masks instead */ 952 while (height--) { 953 dp = rp; 954 rp += ri->ri_stride; 955 956 if (slop1 & 1) 957 *dp++ ^= ~0; 958 959 if (slop1 & 2) { 960 *(int16_t *)dp ^= ~0; 961 dp += 2; 962 } 963 964 for (cnt = full1; cnt; cnt--) { 965 *(int32_t *)dp ^= ~0; 966 dp += 4; 967 } 968 969 if (slop2 & 1) 970 *dp++ ^= ~0; 971 972 if (slop2 & 2) 973 *(int16_t *)dp ^= ~0; 974 } 975 } 976 } 977 978 /* 979 * Erase columns. 980 */ 981 void 982 rasops_erasecols(cookie, row, col, num, attr) 983 void *cookie; 984 int row, col, num; 985 long attr; 986 { 987 int n8, height, cnt, slop1, slop2, clr; 988 struct rasops_info *ri; 989 int32_t *rp, *dp; 990 991 ri = (struct rasops_info *)cookie; 992 993 #ifdef RASOPS_CLIPPING 994 if ((unsigned)row >= (unsigned)ri->ri_rows) 995 return; 996 997 if (col < 0) { 998 num += col; 999 col = 0; 1000 } 1001 1002 if ((col + num) > ri->ri_cols) 1003 num = ri->ri_cols - col; 1004 1005 if (num <= 0) 1006 return; 1007 #endif 1008 1009 num = num * ri->ri_xscale; 1010 rp = (int32_t *)(ri->ri_bits + row*ri->ri_yscale + col*ri->ri_xscale); 1011 height = ri->ri_font->fontheight; 1012 clr = ri->ri_devcmap[(attr >> 16) & 0xf]; 1013 1014 /* Don't bother using the full loop for <= 32 pels */ 1015 if (num <= 32) { 1016 if (((num | ri->ri_xscale) & 3) == 0) { 1017 /* Word aligned blt */ 1018 num >>= 2; 1019 1020 while (height--) { 1021 dp = rp; 1022 DELTA(rp, ri->ri_stride, int32_t *); 1023 1024 for (cnt = num; cnt; cnt--) 1025 *dp++ = clr; 1026 } 1027 } else if (((num | ri->ri_xscale) & 1) == 0) { 1028 /* 1029 * Halfword aligned blt. This is needed so the 1030 * 15/16 bit ops can use this function. 1031 */ 1032 num >>= 1; 1033 1034 while (height--) { 1035 dp = rp; 1036 DELTA(rp, ri->ri_stride, int32_t *); 1037 1038 for (cnt = num; cnt; cnt--) { 1039 *(int16_t *)dp = clr; 1040 DELTA(dp, 2, int32_t *); 1041 } 1042 } 1043 } else { 1044 while (height--) { 1045 dp = rp; 1046 DELTA(rp, ri->ri_stride, int32_t *); 1047 1048 for (cnt = num; cnt; cnt--) { 1049 *(u_char *)dp = clr; 1050 DELTA(dp, 1, int32_t *); 1051 } 1052 } 1053 } 1054 1055 return; 1056 } 1057 1058 slop1 = (4 - ((long)rp & 3)) & 3; 1059 slop2 = (num - slop1) & 3; 1060 num -= slop1 + slop2; 1061 n8 = num >> 5; 1062 num = (num >> 2) & 7; 1063 1064 while (height--) { 1065 dp = rp; 1066 DELTA(rp, ri->ri_stride, int32_t *); 1067 1068 /* Align span to 4 bytes */ 1069 if (slop1 & 1) { 1070 *(u_char *)dp = clr; 1071 DELTA(dp, 1, int32_t *); 1072 } 1073 1074 if (slop1 & 2) { 1075 *(int16_t *)dp = clr; 1076 DELTA(dp, 2, int32_t *); 1077 } 1078 1079 /* Write 32 bytes per loop */ 1080 for (cnt = n8; cnt; cnt--) { 1081 dp[0] = clr; 1082 dp[1] = clr; 1083 dp[2] = clr; 1084 dp[3] = clr; 1085 dp[4] = clr; 1086 dp[5] = clr; 1087 dp[6] = clr; 1088 dp[7] = clr; 1089 dp += 8; 1090 } 1091 1092 /* Write 4 bytes per loop */ 1093 for (cnt = num; cnt; cnt--) 1094 *dp++ = clr; 1095 1096 /* Write unaligned trailing slop */ 1097 if (slop2 & 1) { 1098 *(u_char *)dp = clr; 1099 DELTA(dp, 1, int32_t *); 1100 } 1101 1102 if (slop2 & 2) 1103 *(int16_t *)dp = clr; 1104 } 1105 } 1106 1107 #if NRASOPS_ROTATION > 0 1108 /* 1109 * Quarter clockwise rotation routines (originally intended for the 1110 * built-in Zaurus C3x00 display in 16bpp). 1111 */ 1112 1113 #include <sys/malloc.h> 1114 1115 void 1116 rasops_rotate_font(int *cookie) 1117 { 1118 struct rotatedfont *f; 1119 int ncookie; 1120 1121 SLIST_FOREACH(f, &rotatedfonts, rf_next) { 1122 if (f->rf_cookie == *cookie) { 1123 *cookie = f->rf_rotated; 1124 return; 1125 } 1126 } 1127 1128 /* 1129 * We did not find a rotated version of this font. Ask the wsfont 1130 * code to compute one for us. 1131 */ 1132 1133 f = malloc(sizeof(struct rotatedfont), M_DEVBUF, M_WAITOK); 1134 if (f == NULL) 1135 return; 1136 1137 if ((ncookie = wsfont_rotate(*cookie)) == -1) 1138 return; 1139 1140 f->rf_cookie = *cookie; 1141 f->rf_rotated = ncookie; 1142 SLIST_INSERT_HEAD(&rotatedfonts, f, rf_next); 1143 1144 *cookie = ncookie; 1145 } 1146 1147 void 1148 rasops_copychar(cookie, srcrow, dstrow, srccol, dstcol) 1149 void *cookie; 1150 int srcrow, dstrow, srccol, dstcol; 1151 { 1152 struct rasops_info *ri; 1153 u_char *sp, *dp; 1154 int height; 1155 int r_srcrow, r_dstrow, r_srccol, r_dstcol; 1156 1157 ri = (struct rasops_info *)cookie; 1158 1159 r_srcrow = srccol; 1160 r_dstrow = dstcol; 1161 r_srccol = ri->ri_rows - srcrow - 1; 1162 r_dstcol = ri->ri_rows - dstrow - 1; 1163 1164 r_srcrow *= ri->ri_yscale; 1165 r_dstrow *= ri->ri_yscale; 1166 height = ri->ri_font->fontheight; 1167 1168 sp = ri->ri_bits + r_srcrow + r_srccol * ri->ri_xscale; 1169 dp = ri->ri_bits + r_dstrow + r_dstcol * ri->ri_xscale; 1170 1171 #if NRASOPS_BSWAP > 0 1172 if (ri->ri_flg & RI_BSWAP) { 1173 while (height--) { 1174 slow_ovbcopy(sp, dp, ri->ri_xscale); 1175 dp += ri->ri_stride; 1176 sp += ri->ri_stride; 1177 } 1178 } else 1179 #endif 1180 { 1181 while (height--) { 1182 ovbcopy(sp, dp, ri->ri_xscale); 1183 dp += ri->ri_stride; 1184 sp += ri->ri_stride; 1185 } 1186 } 1187 } 1188 1189 void 1190 rasops_putchar_rotated(cookie, row, col, uc, attr) 1191 void *cookie; 1192 int row, col; 1193 u_int uc; 1194 long attr; 1195 { 1196 struct rasops_info *ri; 1197 u_char *rp; 1198 int height; 1199 1200 ri = (struct rasops_info *)cookie; 1201 1202 /* Do rotated char sans (side)underline */ 1203 ri->ri_real_ops.putchar(cookie, col, ri->ri_rows - row - 1, uc, 1204 attr & ~1); 1205 1206 /* Do rotated underline */ 1207 rp = ri->ri_bits + col * ri->ri_yscale + (ri->ri_rows - row - 1) * 1208 ri->ri_xscale; 1209 height = ri->ri_font->fontheight; 1210 1211 /* XXX this assumes 16-bit color depth */ 1212 if ((attr & 1) != 0) { 1213 int16_t c = (int16_t)ri->ri_devcmap[((u_int)attr >> 24) & 0xf]; 1214 1215 while (height--) { 1216 *(int16_t *)rp = c; 1217 rp += ri->ri_stride; 1218 } 1219 } 1220 } 1221 1222 void 1223 rasops_erasecols_rotated(cookie, row, col, num, attr) 1224 void *cookie; 1225 int row, col, num; 1226 long attr; 1227 { 1228 struct rasops_info *ri; 1229 int i; 1230 1231 ri = (struct rasops_info *)cookie; 1232 1233 for (i = col; i < col + num; i++) 1234 ri->ri_ops.putchar(cookie, row, i, ' ', attr); 1235 } 1236 1237 /* XXX: these could likely be optimised somewhat. */ 1238 void 1239 rasops_copyrows_rotated(cookie, src, dst, num) 1240 void *cookie; 1241 int src, dst, num; 1242 { 1243 struct rasops_info *ri = (struct rasops_info *)cookie; 1244 int col, roff; 1245 1246 if (src > dst) 1247 for (roff = 0; roff < num; roff++) 1248 for (col = 0; col < ri->ri_cols; col++) 1249 rasops_copychar(cookie, src + roff, dst + roff, 1250 col, col); 1251 else 1252 for (roff = num - 1; roff >= 0; roff--) 1253 for (col = 0; col < ri->ri_cols; col++) 1254 rasops_copychar(cookie, src + roff, dst + roff, 1255 col, col); 1256 } 1257 1258 void 1259 rasops_copycols_rotated(cookie, row, src, dst, num) 1260 void *cookie; 1261 int row, src, dst, num; 1262 { 1263 int coff; 1264 1265 if (src > dst) 1266 for (coff = 0; coff < num; coff++) 1267 rasops_copychar(cookie, row, row, src + coff, dst + coff); 1268 else 1269 for (coff = num - 1; coff >= 0; coff--) 1270 rasops_copychar(cookie, row, row, src + coff, dst + coff); 1271 } 1272 1273 void 1274 rasops_eraserows_rotated(cookie, row, num, attr) 1275 void *cookie; 1276 int row, num; 1277 long attr; 1278 { 1279 struct rasops_info *ri; 1280 int col, rn; 1281 1282 ri = (struct rasops_info *)cookie; 1283 1284 for (rn = row; rn < row + num; rn++) 1285 for (col = 0; col < ri->ri_cols; col++) 1286 ri->ri_ops.putchar(cookie, rn, col, ' ', attr); 1287 } 1288 #endif /* NRASOPS_ROTATION */ 1289 1290 #if NRASOPS_BSWAP > 0 1291 /* 1292 * Strictly byte-only ovbcopy() version, to be used with RI_BSWAP, as the 1293 * regular ovbcopy() may want to optimize things by doing larger-than-byte 1294 * reads or write. This may confuse things if src and dst have different 1295 * alignments. 1296 */ 1297 void 1298 slow_ovbcopy(void *s, void *d, size_t len) 1299 { 1300 u_int8_t *src = s; 1301 u_int8_t *dst = d; 1302 1303 if ((vaddr_t)dst <= (vaddr_t)src) { 1304 while (len-- != 0) 1305 *dst++ = *src++; 1306 } else { 1307 src += len; 1308 dst += len; 1309 if (len != 0) 1310 while (--len != 0) 1311 *--dst = *--src; 1312 } 1313 } 1314 #endif /* NRASOPS_BSWAP */ 1315