| 1 | /* $NetBSD: rasops8.c,v 1.34 2013/09/15 09:41:55 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: rasops8.c,v 1.34 2013/09/15 09:41:55 martin Exp $" ); |
| 34 | |
| 35 | #include "opt_rasops.h" |
| 36 | |
| 37 | #include <sys/param.h> |
| 38 | #include <sys/systm.h> |
| 39 | #include <sys/time.h> |
| 40 | |
| 41 | #include <dev/wscons/wsdisplayvar.h> |
| 42 | #include <dev/wscons/wsconsio.h> |
| 43 | #include <dev/rasops/rasops.h> |
| 44 | |
| 45 | static void rasops8_putchar(void *, int, int, u_int, long attr); |
| 46 | static void rasops8_putchar_aa(void *, int, int, u_int, long attr); |
| 47 | #ifndef RASOPS_SMALL |
| 48 | static void rasops8_putchar8(void *, int, int, u_int, long attr); |
| 49 | static void rasops8_putchar12(void *, int, int, u_int, long attr); |
| 50 | static void rasops8_putchar16(void *, int, int, u_int, long attr); |
| 51 | static void rasops8_makestamp(struct rasops_info *ri, long); |
| 52 | |
| 53 | /* |
| 54 | * 4x1 stamp for optimized character blitting |
| 55 | */ |
| 56 | static int32_t stamp[16]; |
| 57 | static long stamp_attr; |
| 58 | static int stamp_mutex; /* XXX see note in README */ |
| 59 | #endif |
| 60 | |
| 61 | /* |
| 62 | * XXX this confuses the hell out of gcc2 (not egcs) which always insists |
| 63 | * that the shift count is negative. |
| 64 | * |
| 65 | * offset = STAMP_SHIFT(fontbits, nibble #) & STAMP_MASK |
| 66 | * destination = STAMP_READ(offset) |
| 67 | */ |
| 68 | #define STAMP_SHIFT(fb,n) ((n*4-2) >= 0 ? (fb)>>(n*4-2):(fb)<<-(n*4-2)) |
| 69 | #define STAMP_MASK (0xf << 2) |
| 70 | #define STAMP_READ(o) (*(int32_t *)((char *)stamp + (o))) |
| 71 | |
| 72 | /* |
| 73 | * Initialize a 'rasops_info' descriptor for this depth. |
| 74 | */ |
| 75 | void |
| 76 | rasops8_init(struct rasops_info *ri) |
| 77 | { |
| 78 | |
| 79 | if (FONT_IS_ALPHA(ri->ri_font)) { |
| 80 | ri->ri_ops.putchar = rasops8_putchar_aa; |
| 81 | } else { |
| 82 | switch (ri->ri_font->fontwidth) { |
| 83 | #ifndef RASOPS_SMALL |
| 84 | case 8: |
| 85 | ri->ri_ops.putchar = rasops8_putchar8; |
| 86 | break; |
| 87 | case 12: |
| 88 | ri->ri_ops.putchar = rasops8_putchar12; |
| 89 | break; |
| 90 | case 16: |
| 91 | ri->ri_ops.putchar = rasops8_putchar16; |
| 92 | break; |
| 93 | #endif /* !RASOPS_SMALL */ |
| 94 | default: |
| 95 | ri->ri_ops.putchar = rasops8_putchar; |
| 96 | break; |
| 97 | } |
| 98 | } |
| 99 | if (ri->ri_flg & RI_8BIT_IS_RGB) { |
| 100 | ri->ri_rnum = 3; |
| 101 | ri->ri_rpos = 5; |
| 102 | ri->ri_gnum = 3; |
| 103 | ri->ri_gpos = 2; |
| 104 | ri->ri_bnum = 2; |
| 105 | ri->ri_bpos = 0; |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | /* |
| 110 | * Put a single character. |
| 111 | */ |
| 112 | static void |
| 113 | rasops8_putchar(void *cookie, int row, int col, u_int uc, long attr) |
| 114 | { |
| 115 | int width, height, cnt, fs, fb; |
| 116 | u_char *dp, *rp, *hp, *hrp, *fr, clr[2]; |
| 117 | struct rasops_info *ri = (struct rasops_info *)cookie; |
| 118 | struct wsdisplay_font *font = PICK_FONT(ri, uc); |
| 119 | |
| 120 | hp = hrp = NULL; |
| 121 | |
| 122 | if (!CHAR_IN_FONT(uc, font)) |
| 123 | return; |
| 124 | |
| 125 | #ifdef RASOPS_CLIPPING |
| 126 | /* Catches 'row < 0' case too */ |
| 127 | if ((unsigned)row >= (unsigned)ri->ri_rows) |
| 128 | return; |
| 129 | |
| 130 | if ((unsigned)col >= (unsigned)ri->ri_cols) |
| 131 | return; |
| 132 | #endif |
| 133 | rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale; |
| 134 | if (ri->ri_hwbits) |
| 135 | hrp = ri->ri_hwbits + row * ri->ri_yscale + col * |
| 136 | ri->ri_xscale; |
| 137 | |
| 138 | height = font->fontheight; |
| 139 | width = font->fontwidth; |
| 140 | clr[0] = (u_char)ri->ri_devcmap[(attr >> 16) & 0xf]; |
| 141 | clr[1] = (u_char)ri->ri_devcmap[(attr >> 24) & 0xf]; |
| 142 | |
| 143 | if (uc == ' ') { |
| 144 | u_char c = clr[0]; |
| 145 | |
| 146 | while (height--) { |
| 147 | memset(rp, c, width); |
| 148 | if (ri->ri_hwbits) { |
| 149 | memset(hrp, c, width); |
| 150 | hrp += ri->ri_stride; |
| 151 | } |
| 152 | rp += ri->ri_stride; |
| 153 | } |
| 154 | } else { |
| 155 | fr = WSFONT_GLYPH(uc, font); |
| 156 | fs = font->stride; |
| 157 | |
| 158 | while (height--) { |
| 159 | dp = rp; |
| 160 | if (ri->ri_hwbits) |
| 161 | hp = hrp; |
| 162 | fb = fr[3] | (fr[2] << 8) | (fr[1] << 16) | (fr[0] << 24); |
| 163 | fr += fs; |
| 164 | rp += ri->ri_stride; |
| 165 | if (ri->ri_hwbits) |
| 166 | hrp += ri->ri_stride; |
| 167 | |
| 168 | for (cnt = width; cnt; cnt--) { |
| 169 | *dp++ = clr[(fb >> 31) & 1]; |
| 170 | if (ri->ri_hwbits) |
| 171 | *hp++ = clr[(fb >> 31) & 1]; |
| 172 | fb <<= 1; |
| 173 | } |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | /* Do underline */ |
| 178 | if ((attr & 1) != 0) { |
| 179 | u_char c = clr[1]; |
| 180 | |
| 181 | rp -= (ri->ri_stride << 1); |
| 182 | if (ri->ri_hwbits) |
| 183 | hrp -= (ri->ri_stride << 1); |
| 184 | |
| 185 | while (width--) { |
| 186 | *rp++ = c; |
| 187 | if (ri->ri_hwbits) |
| 188 | *hrp++ = c; |
| 189 | } |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | static void |
| 194 | rasops8_putchar_aa(void *cookie, int row, int col, u_int uc, long attr) |
| 195 | { |
| 196 | int width, height; |
| 197 | u_char *rp, *hrp, *fr, bg, fg, pixel; |
| 198 | struct rasops_info *ri = (struct rasops_info *)cookie; |
| 199 | struct wsdisplay_font *font = PICK_FONT(ri, uc); |
| 200 | int x, y, r, g, b, aval; |
| 201 | int r1, g1, b1, r0, g0, b0, fgo, bgo; |
| 202 | uint8_t scanline[32] __attribute__ ((aligned(8))); |
| 203 | |
| 204 | hrp = NULL; |
| 205 | |
| 206 | if (!CHAR_IN_FONT(uc, font)) |
| 207 | return; |
| 208 | |
| 209 | #ifdef RASOPS_CLIPPING |
| 210 | /* Catches 'row < 0' case too */ |
| 211 | if ((unsigned)row >= (unsigned)ri->ri_rows) |
| 212 | return; |
| 213 | |
| 214 | if ((unsigned)col >= (unsigned)ri->ri_cols) |
| 215 | return; |
| 216 | #endif |
| 217 | rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale; |
| 218 | if (ri->ri_hwbits) |
| 219 | hrp = ri->ri_hwbits + row * ri->ri_yscale + col * |
| 220 | ri->ri_xscale; |
| 221 | |
| 222 | height = font->fontheight; |
| 223 | width = font->fontwidth; |
| 224 | bg = (u_char)ri->ri_devcmap[(attr >> 16) & 0xf]; |
| 225 | fg = (u_char)ri->ri_devcmap[(attr >> 24) & 0xf]; |
| 226 | |
| 227 | if (uc == ' ') { |
| 228 | |
| 229 | while (height--) { |
| 230 | memset(rp, bg, width); |
| 231 | if (ri->ri_hwbits) { |
| 232 | memset(hrp, bg, width); |
| 233 | hrp += ri->ri_stride; |
| 234 | } |
| 235 | rp += ri->ri_stride; |
| 236 | } |
| 237 | } else { |
| 238 | fr = WSFONT_GLYPH(uc, font); |
| 239 | /* |
| 240 | * we need the RGB colours here, get offsets into rasops_cmap |
| 241 | */ |
| 242 | fgo = ((attr >> 24) & 0xf) * 3; |
| 243 | bgo = ((attr >> 16) & 0xf) * 3; |
| 244 | |
| 245 | r0 = rasops_cmap[bgo]; |
| 246 | r1 = rasops_cmap[fgo]; |
| 247 | g0 = rasops_cmap[bgo + 1]; |
| 248 | g1 = rasops_cmap[fgo + 1]; |
| 249 | b0 = rasops_cmap[bgo + 2]; |
| 250 | b1 = rasops_cmap[fgo + 2]; |
| 251 | |
| 252 | for (y = 0; y < height; y++) { |
| 253 | for (x = 0; x < width; x++) { |
| 254 | aval = *fr; |
| 255 | fr++; |
| 256 | if (aval == 0) { |
| 257 | pixel = bg; |
| 258 | } else if (aval == 255) { |
| 259 | pixel = fg; |
| 260 | } else { |
| 261 | r = aval * r1 + (255 - aval) * r0; |
| 262 | g = aval * g1 + (255 - aval) * g0; |
| 263 | b = aval * b1 + (255 - aval) * b0; |
| 264 | pixel = ((r & 0xe000) >> 8) | |
| 265 | ((g & 0xe000) >> 11) | |
| 266 | ((b & 0xc000) >> 14); |
| 267 | } |
| 268 | scanline[x] = pixel; |
| 269 | } |
| 270 | memcpy(rp, scanline, width); |
| 271 | if (ri->ri_hwbits) { |
| 272 | memcpy(hrp, scanline, width); |
| 273 | hrp += ri->ri_stride; |
| 274 | } |
| 275 | rp += ri->ri_stride; |
| 276 | |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | /* Do underline */ |
| 281 | if ((attr & 1) != 0) { |
| 282 | |
| 283 | rp -= (ri->ri_stride << 1); |
| 284 | if (ri->ri_hwbits) |
| 285 | hrp -= (ri->ri_stride << 1); |
| 286 | |
| 287 | while (width--) { |
| 288 | *rp++ = fg; |
| 289 | if (ri->ri_hwbits) |
| 290 | *hrp++ = fg; |
| 291 | } |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | #ifndef RASOPS_SMALL |
| 296 | /* |
| 297 | * Recompute the 4x1 blitting stamp. |
| 298 | */ |
| 299 | static void |
| 300 | rasops8_makestamp(struct rasops_info *ri, long attr) |
| 301 | { |
| 302 | int32_t fg, bg; |
| 303 | int i; |
| 304 | |
| 305 | fg = ri->ri_devcmap[(attr >> 24) & 0xf] & 0xff; |
| 306 | bg = ri->ri_devcmap[(attr >> 16) & 0xf] & 0xff; |
| 307 | stamp_attr = attr; |
| 308 | |
| 309 | for (i = 0; i < 16; i++) { |
| 310 | #if BYTE_ORDER == BIG_ENDIAN |
| 311 | #define NEED_LITTLE_ENDIAN_STAMP RI_BSWAP |
| 312 | #else |
| 313 | #define NEED_LITTLE_ENDIAN_STAMP 0 |
| 314 | #endif |
| 315 | if ((ri->ri_flg & RI_BSWAP) == NEED_LITTLE_ENDIAN_STAMP) { |
| 316 | /* little endian */ |
| 317 | stamp[i] = (i & 8 ? fg : bg); |
| 318 | stamp[i] |= ((i & 4 ? fg : bg) << 8); |
| 319 | stamp[i] |= ((i & 2 ? fg : bg) << 16); |
| 320 | stamp[i] |= ((i & 1 ? fg : bg) << 24); |
| 321 | } else { |
| 322 | /* big endian */ |
| 323 | stamp[i] = (i & 1 ? fg : bg); |
| 324 | stamp[i] |= ((i & 2 ? fg : bg) << 8); |
| 325 | stamp[i] |= ((i & 4 ? fg : bg) << 16); |
| 326 | stamp[i] |= ((i & 8 ? fg : bg) << 24); |
| 327 | } |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | /* |
| 332 | * Put a single character. This is for 8-pixel wide fonts. |
| 333 | */ |
| 334 | static void |
| 335 | rasops8_putchar8(void *cookie, int row, int col, u_int uc, long attr) |
| 336 | { |
| 337 | struct rasops_info *ri = (struct rasops_info *)cookie; |
| 338 | struct wsdisplay_font *font = PICK_FONT(ri, uc); |
| 339 | int height, fs; |
| 340 | int32_t *rp, *hp; |
| 341 | u_char *fr; |
| 342 | |
| 343 | /* Can't risk remaking the stamp if it's already in use */ |
| 344 | if (stamp_mutex++) { |
| 345 | stamp_mutex--; |
| 346 | rasops8_putchar(cookie, row, col, uc, attr); |
| 347 | return; |
| 348 | } |
| 349 | |
| 350 | hp = NULL; |
| 351 | |
| 352 | if (!CHAR_IN_FONT(uc, font)) |
| 353 | return; |
| 354 | |
| 355 | #ifdef RASOPS_CLIPPING |
| 356 | if ((unsigned)row >= (unsigned)ri->ri_rows) { |
| 357 | stamp_mutex--; |
| 358 | return; |
| 359 | } |
| 360 | |
| 361 | if ((unsigned)col >= (unsigned)ri->ri_cols) { |
| 362 | stamp_mutex--; |
| 363 | return; |
| 364 | } |
| 365 | #endif |
| 366 | |
| 367 | /* Recompute stamp? */ |
| 368 | if (attr != stamp_attr) |
| 369 | rasops8_makestamp(ri, attr); |
| 370 | |
| 371 | rp = (int32_t *)(ri->ri_bits + row*ri->ri_yscale + col*ri->ri_xscale); |
| 372 | if (ri->ri_hwbits) |
| 373 | hp = (int32_t *)(ri->ri_hwbits + row*ri->ri_yscale + |
| 374 | col*ri->ri_xscale); |
| 375 | height = font->fontheight; |
| 376 | |
| 377 | if (uc == ' ') { |
| 378 | while (height--) { |
| 379 | rp[0] = rp[1] = stamp[0]; |
| 380 | DELTA(rp, ri->ri_stride, int32_t *); |
| 381 | if (ri->ri_hwbits) { |
| 382 | hp[0] = stamp[0]; |
| 383 | hp[1] = stamp[0]; |
| 384 | DELTA(hp, ri->ri_stride, int32_t *); |
| 385 | } |
| 386 | } |
| 387 | } else { |
| 388 | fr = WSFONT_GLYPH(uc, font); |
| 389 | fs = font->stride; |
| 390 | |
| 391 | while (height--) { |
| 392 | rp[0] = STAMP_READ(STAMP_SHIFT(fr[0], 1) & STAMP_MASK); |
| 393 | rp[1] = STAMP_READ(STAMP_SHIFT(fr[0], 0) & STAMP_MASK); |
| 394 | if (ri->ri_hwbits) { |
| 395 | hp[0] = STAMP_READ(STAMP_SHIFT(fr[0], 1) & |
| 396 | STAMP_MASK); |
| 397 | hp[1] = STAMP_READ(STAMP_SHIFT(fr[0], 0) & |
| 398 | STAMP_MASK); |
| 399 | } |
| 400 | |
| 401 | fr += fs; |
| 402 | DELTA(rp, ri->ri_stride, int32_t *); |
| 403 | if (ri->ri_hwbits) |
| 404 | DELTA(hp, ri->ri_stride, int32_t *); |
| 405 | } |
| 406 | } |
| 407 | |
| 408 | /* Do underline */ |
| 409 | if ((attr & 1) != 0) { |
| 410 | DELTA(rp, -(ri->ri_stride << 1), int32_t *); |
| 411 | rp[0] = rp[1] = stamp[15]; |
| 412 | if (ri->ri_hwbits) { |
| 413 | DELTA(hp, -(ri->ri_stride << 1), int32_t *); |
| 414 | hp[0] = stamp[15]; |
| 415 | hp[1] = stamp[15]; |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | stamp_mutex--; |
| 420 | } |
| 421 | |
| 422 | /* |
| 423 | * Put a single character. This is for 12-pixel wide fonts. |
| 424 | */ |
| 425 | static void |
| 426 | rasops8_putchar12(void *cookie, int row, int col, u_int uc, long attr) |
| 427 | { |
| 428 | struct rasops_info *ri = (struct rasops_info *)cookie; |
| 429 | struct wsdisplay_font *font = PICK_FONT(ri, uc); |
| 430 | int height, fs; |
| 431 | int32_t *rp, *hrp; |
| 432 | u_char *fr; |
| 433 | |
| 434 | /* Can't risk remaking the stamp if it's already in use */ |
| 435 | if (stamp_mutex++) { |
| 436 | stamp_mutex--; |
| 437 | rasops8_putchar(cookie, row, col, uc, attr); |
| 438 | return; |
| 439 | } |
| 440 | |
| 441 | hrp = NULL; |
| 442 | |
| 443 | if (!CHAR_IN_FONT(uc, font)) |
| 444 | return; |
| 445 | |
| 446 | #ifdef RASOPS_CLIPPING |
| 447 | if ((unsigned)row >= (unsigned)ri->ri_rows) { |
| 448 | stamp_mutex--; |
| 449 | return; |
| 450 | } |
| 451 | |
| 452 | if ((unsigned)col >= (unsigned)ri->ri_cols) { |
| 453 | stamp_mutex--; |
| 454 | return; |
| 455 | } |
| 456 | #endif |
| 457 | |
| 458 | /* Recompute stamp? */ |
| 459 | if (attr != stamp_attr) |
| 460 | rasops8_makestamp(ri, attr); |
| 461 | |
| 462 | rp = (int32_t *)(ri->ri_bits + row*ri->ri_yscale + col*ri->ri_xscale); |
| 463 | if (ri->ri_hwbits) |
| 464 | hrp = (int32_t *)(ri->ri_hwbits + row*ri->ri_yscale + |
| 465 | col*ri->ri_xscale); |
| 466 | height = font->fontheight; |
| 467 | |
| 468 | if (uc == ' ') { |
| 469 | while (height--) { |
| 470 | int32_t c = stamp[0]; |
| 471 | |
| 472 | rp[0] = rp[1] = rp[2] = c; |
| 473 | DELTA(rp, ri->ri_stride, int32_t *); |
| 474 | if (ri->ri_hwbits) { |
| 475 | hrp[0] = c; |
| 476 | hrp[1] = c; |
| 477 | hrp[2] = c; |
| 478 | DELTA(hrp, ri->ri_stride, int32_t *); |
| 479 | } |
| 480 | } |
| 481 | } else { |
| 482 | fr = WSFONT_GLYPH(uc, font); |
| 483 | fs = font->stride; |
| 484 | |
| 485 | while (height--) { |
| 486 | rp[0] = STAMP_READ(STAMP_SHIFT(fr[0], 1) & STAMP_MASK); |
| 487 | rp[1] = STAMP_READ(STAMP_SHIFT(fr[0], 0) & STAMP_MASK); |
| 488 | rp[2] = STAMP_READ(STAMP_SHIFT(fr[1], 1) & STAMP_MASK); |
| 489 | if (ri->ri_hwbits) { |
| 490 | hrp[0] = STAMP_READ(STAMP_SHIFT(fr[0], 1) & STAMP_MASK); |
| 491 | hrp[1] = STAMP_READ(STAMP_SHIFT(fr[0], 0) & STAMP_MASK); |
| 492 | hrp[2] = STAMP_READ(STAMP_SHIFT(fr[1], 1) & STAMP_MASK); |
| 493 | } |
| 494 | |
| 495 | fr += fs; |
| 496 | DELTA(rp, ri->ri_stride, int32_t *); |
| 497 | if (ri->ri_hwbits) |
| 498 | DELTA(hrp, ri->ri_stride, int32_t *); |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | /* Do underline */ |
| 503 | if ((attr & 1) != 0) { |
| 504 | DELTA(rp, -(ri->ri_stride << 1), int32_t *); |
| 505 | rp[0] = rp[1] = rp[2] = stamp[15]; |
| 506 | if (ri->ri_hwbits) { |
| 507 | DELTA(hrp, -(ri->ri_stride << 1), int32_t *); |
| 508 | hrp[0] = stamp[15]; |
| 509 | hrp[1] = stamp[15]; |
| 510 | hrp[2] = stamp[15]; |
| 511 | } |
| 512 | } |
| 513 | |
| 514 | stamp_mutex--; |
| 515 | } |
| 516 | |
| 517 | /* |
| 518 | * Put a single character. This is for 16-pixel wide fonts. |
| 519 | */ |
| 520 | static void |
| 521 | rasops8_putchar16(void *cookie, int row, int col, u_int uc, long attr) |
| 522 | { |
| 523 | struct rasops_info *ri = (struct rasops_info *)cookie; |
| 524 | struct wsdisplay_font *font = PICK_FONT(ri, uc); |
| 525 | int height, fs; |
| 526 | int32_t *rp, *hrp; |
| 527 | u_char *fr; |
| 528 | |
| 529 | /* Can't risk remaking the stamp if it's already in use */ |
| 530 | if (stamp_mutex++) { |
| 531 | stamp_mutex--; |
| 532 | rasops8_putchar(cookie, row, col, uc, attr); |
| 533 | return; |
| 534 | } |
| 535 | |
| 536 | hrp = NULL; |
| 537 | |
| 538 | if (!CHAR_IN_FONT(uc, font)) |
| 539 | return; |
| 540 | |
| 541 | #ifdef RASOPS_CLIPPING |
| 542 | if ((unsigned)row >= (unsigned)ri->ri_rows) { |
| 543 | stamp_mutex--; |
| 544 | return; |
| 545 | } |
| 546 | |
| 547 | if ((unsigned)col >= (unsigned)ri->ri_cols) { |
| 548 | stamp_mutex--; |
| 549 | return; |
| 550 | } |
| 551 | #endif |
| 552 | |
| 553 | /* Recompute stamp? */ |
| 554 | if (attr != stamp_attr) |
| 555 | rasops8_makestamp(ri, attr); |
| 556 | |
| 557 | rp = (int32_t *)(ri->ri_bits + row*ri->ri_yscale + col*ri->ri_xscale); |
| 558 | if (ri->ri_hwbits) |
| 559 | hrp = (int32_t *)(ri->ri_hwbits + row*ri->ri_yscale + |
| 560 | col*ri->ri_xscale); |
| 561 | |
| 562 | height = font->fontheight; |
| 563 | |
| 564 | if (uc == ' ') { |
| 565 | while (height--) { |
| 566 | rp[0] = rp[1] = rp[2] = rp[3] = stamp[0]; |
| 567 | if (ri->ri_hwbits) { |
| 568 | hrp[0] = stamp[0]; |
| 569 | hrp[1] = stamp[0]; |
| 570 | hrp[2] = stamp[0]; |
| 571 | hrp[3] = stamp[0]; |
| 572 | } |
| 573 | } |
| 574 | } else { |
| 575 | fr = WSFONT_GLYPH(uc, font); |
| 576 | fs = font->stride; |
| 577 | |
| 578 | while (height--) { |
| 579 | rp[0] = STAMP_READ(STAMP_SHIFT(fr[0], 1) & STAMP_MASK); |
| 580 | rp[1] = STAMP_READ(STAMP_SHIFT(fr[0], 0) & STAMP_MASK); |
| 581 | rp[2] = STAMP_READ(STAMP_SHIFT(fr[1], 1) & STAMP_MASK); |
| 582 | rp[3] = STAMP_READ(STAMP_SHIFT(fr[1], 0) & STAMP_MASK); |
| 583 | if (ri->ri_hwbits) { |
| 584 | hrp[0] = STAMP_READ(STAMP_SHIFT(fr[0], 1) & STAMP_MASK); |
| 585 | hrp[1] = STAMP_READ(STAMP_SHIFT(fr[0], 0) & STAMP_MASK); |
| 586 | hrp[2] = STAMP_READ(STAMP_SHIFT(fr[1], 1) & STAMP_MASK); |
| 587 | hrp[3] = STAMP_READ(STAMP_SHIFT(fr[1], 0) & STAMP_MASK); |
| 588 | } |
| 589 | |
| 590 | fr += fs; |
| 591 | DELTA(rp, ri->ri_stride, int32_t *); |
| 592 | if (ri->ri_hwbits) |
| 593 | DELTA(hrp, ri->ri_stride, int32_t *); |
| 594 | } |
| 595 | } |
| 596 | |
| 597 | /* Do underline */ |
| 598 | if ((attr & 1) != 0) { |
| 599 | DELTA(rp, -(ri->ri_stride << 1), int32_t *); |
| 600 | rp[0] = rp[1] = rp[2] = rp[3] = stamp[15]; |
| 601 | if (ri->ri_hwbits) { |
| 602 | DELTA(hrp, -(ri->ri_stride << 1), int32_t *); |
| 603 | hrp[0] = stamp[15]; |
| 604 | hrp[1] = stamp[15]; |
| 605 | hrp[2] = stamp[15]; |
| 606 | hrp[3] = stamp[15]; |
| 607 | } |
| 608 | } |
| 609 | |
| 610 | stamp_mutex--; |
| 611 | } |
| 612 | #endif /* !RASOPS_SMALL */ |
| 613 | |