| 1 | /* $NetBSD: rasops.c,v 1.73 2015/04/18 11:23:58 mlelstv 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 1.73 2015/04/18 11:23:58 mlelstv 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 while (0) printf |
| 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 u_char 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 u_char 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 | |
| 212 | cookie = wsfont_find(NULL, |
| 213 | ri->ri_width / wantcols, |
| 214 | 0, |
| 215 | 0, |
| 216 | WSDISPLAY_FONTORDER_L2R, |
| 217 | WSDISPLAY_FONTORDER_L2R, |
| 218 | flags); |
| 219 | |
| 220 | /* |
| 221 | * this means there is no supported font in the list |
| 222 | */ |
| 223 | if (cookie <= 0) { |
| 224 | aprint_error("rasops_init: font table is empty\n" ); |
| 225 | return (-1); |
| 226 | } |
| 227 | |
| 228 | #if NRASOPS_ROTATION > 0 |
| 229 | /* |
| 230 | * Pick the rotated version of this font. This will create it |
| 231 | * if necessary. |
| 232 | */ |
| 233 | if (ri->ri_flg & RI_ROTATE_MASK) { |
| 234 | if (ri->ri_flg & RI_ROTATE_CW) |
| 235 | rasops_rotate_font(&cookie, WSFONT_ROTATE_CW); |
| 236 | else if (ri->ri_flg & RI_ROTATE_CCW) |
| 237 | rasops_rotate_font(&cookie, WSFONT_ROTATE_CCW); |
| 238 | } |
| 239 | #endif |
| 240 | |
| 241 | if (wsfont_lock(cookie, &ri->ri_font)) { |
| 242 | aprint_error("rasops_init: couldn't lock font\n" ); |
| 243 | return (-1); |
| 244 | } |
| 245 | |
| 246 | ri->ri_wsfcookie = cookie; |
| 247 | } |
| 248 | #endif |
| 249 | |
| 250 | /* This should never happen in reality... */ |
| 251 | #ifdef DEBUG |
| 252 | if ((long)ri->ri_bits & 3) { |
| 253 | aprint_error("rasops_init: bits not aligned on 32-bit boundary\n" ); |
| 254 | return (-1); |
| 255 | } |
| 256 | |
| 257 | if ((int)ri->ri_stride & 3) { |
| 258 | aprint_error("rasops_init: stride not aligned on 32-bit boundary\n" ); |
| 259 | return (-1); |
| 260 | } |
| 261 | #endif |
| 262 | |
| 263 | if (rasops_reconfig(ri, wantrows, wantcols)) |
| 264 | return (-1); |
| 265 | |
| 266 | rasops_init_devcmap(ri); |
| 267 | return (0); |
| 268 | } |
| 269 | |
| 270 | /* |
| 271 | * Reconfigure (because parameters have changed in some way). |
| 272 | */ |
| 273 | int |
| 274 | rasops_reconfig(struct rasops_info *ri, int wantrows, int wantcols) |
| 275 | { |
| 276 | int bpp, s, len; |
| 277 | |
| 278 | s = splhigh(); |
| 279 | |
| 280 | if (wantrows == 0) |
| 281 | wantrows = RASOPS_DEFAULT_HEIGHT; |
| 282 | if (wantcols == 0) |
| 283 | wantcols = RASOPS_DEFAULT_WIDTH; |
| 284 | |
| 285 | /* throw away old line drawing character bitmaps, if we have any */ |
| 286 | if (ri->ri_optfont.data != NULL) { |
| 287 | kmem_free(ri->ri_optfont.data, ri->ri_optfont.stride * |
| 288 | ri->ri_optfont.fontheight * ri->ri_optfont.numchars); |
| 289 | ri->ri_optfont.data = NULL; |
| 290 | } |
| 291 | |
| 292 | /* autogenerate box drawing characters */ |
| 293 | ri->ri_optfont.firstchar = WSFONT_FLAG_OPT; |
| 294 | ri->ri_optfont.numchars = 16; |
| 295 | ri->ri_optfont.fontwidth = ri->ri_font->fontwidth; |
| 296 | ri->ri_optfont.fontheight = ri->ri_font->fontheight; |
| 297 | ri->ri_optfont.stride = ri->ri_font->stride; |
| 298 | len = ri->ri_optfont.fontheight * ri->ri_optfont.stride * |
| 299 | ri->ri_optfont.numchars; |
| 300 | |
| 301 | if (((ri->ri_flg & RI_NO_AUTO) == 0) && |
| 302 | ((ri->ri_optfont.data = kmem_zalloc(len, KM_SLEEP)) != NULL)) { |
| 303 | |
| 304 | if (ri->ri_optfont.stride < ri->ri_optfont.fontwidth) { |
| 305 | switch (ri->ri_optfont.stride) { |
| 306 | case 1: |
| 307 | rasops_make_box_chars_8(ri); |
| 308 | break; |
| 309 | case 2: |
| 310 | rasops_make_box_chars_16(ri); |
| 311 | break; |
| 312 | case 4: |
| 313 | rasops_make_box_chars_32(ri); |
| 314 | break; |
| 315 | } |
| 316 | } else { |
| 317 | rasops_make_box_chars_alpha(ri); |
| 318 | } |
| 319 | } else |
| 320 | memset(&ri->ri_optfont, 0, sizeof(ri->ri_optfont)); |
| 321 | |
| 322 | if (ri->ri_font->fontwidth > 32 || ri->ri_font->fontwidth < 4) |
| 323 | panic("rasops_init: fontwidth assumptions botched!" ); |
| 324 | |
| 325 | /* Need this to frob the setup below */ |
| 326 | bpp = (ri->ri_depth == 15 ? 16 : ri->ri_depth); |
| 327 | |
| 328 | if ((ri->ri_flg & RI_CFGDONE) != 0) |
| 329 | ri->ri_bits = ri->ri_origbits; |
| 330 | |
| 331 | /* Don't care if the caller wants a hideously small console */ |
| 332 | if (wantrows < 10) |
| 333 | wantrows = 10; |
| 334 | |
| 335 | if (wantcols < 20) |
| 336 | wantcols = 20; |
| 337 | |
| 338 | /* Now constrain what they get */ |
| 339 | ri->ri_emuwidth = ri->ri_font->fontwidth * wantcols; |
| 340 | ri->ri_emuheight = ri->ri_font->fontheight * wantrows; |
| 341 | |
| 342 | if (ri->ri_emuwidth > ri->ri_width) |
| 343 | ri->ri_emuwidth = ri->ri_width; |
| 344 | |
| 345 | if (ri->ri_emuheight > ri->ri_height) |
| 346 | ri->ri_emuheight = ri->ri_height; |
| 347 | |
| 348 | /* Reduce width until aligned on a 32-bit boundary */ |
| 349 | while ((ri->ri_emuwidth * bpp & 31) != 0) |
| 350 | ri->ri_emuwidth--; |
| 351 | |
| 352 | #if NRASOPS_ROTATION > 0 |
| 353 | if (ri->ri_flg & (RI_ROTATE_CW|RI_ROTATE_CCW)) { |
| 354 | ri->ri_rows = ri->ri_emuwidth / ri->ri_font->fontwidth; |
| 355 | ri->ri_cols = ri->ri_emuheight / ri->ri_font->fontheight; |
| 356 | } else |
| 357 | #endif |
| 358 | { |
| 359 | |
| 360 | ri->ri_cols = ri->ri_emuwidth / ri->ri_font->fontwidth; |
| 361 | ri->ri_rows = ri->ri_emuheight / ri->ri_font->fontheight; |
| 362 | } |
| 363 | ri->ri_emustride = ri->ri_emuwidth * bpp >> 3; |
| 364 | ri->ri_delta = ri->ri_stride - ri->ri_emustride; |
| 365 | ri->ri_ccol = 0; |
| 366 | ri->ri_crow = 0; |
| 367 | ri->ri_pelbytes = bpp >> 3; |
| 368 | |
| 369 | ri->ri_xscale = (ri->ri_font->fontwidth * bpp) >> 3; |
| 370 | ri->ri_yscale = ri->ri_font->fontheight * ri->ri_stride; |
| 371 | ri->ri_fontscale = ri->ri_font->fontheight * ri->ri_font->stride; |
| 372 | |
| 373 | #ifdef DEBUG |
| 374 | if ((ri->ri_delta & 3) != 0) |
| 375 | panic("rasops_init: ri_delta not aligned on 32-bit boundary" ); |
| 376 | #endif |
| 377 | /* Clear the entire display */ |
| 378 | if ((ri->ri_flg & RI_CLEAR) != 0) |
| 379 | memset(ri->ri_bits, 0, ri->ri_stride * ri->ri_height); |
| 380 | |
| 381 | /* Now centre our window if needs be */ |
| 382 | ri->ri_origbits = ri->ri_bits; |
| 383 | ri->ri_hworigbits = ri->ri_hwbits; |
| 384 | |
| 385 | if ((ri->ri_flg & RI_CENTER) != 0) { |
| 386 | ri->ri_bits += (((ri->ri_width * bpp >> 3) - |
| 387 | ri->ri_emustride) >> 1) & ~3; |
| 388 | ri->ri_bits += ((ri->ri_height - ri->ri_emuheight) >> 1) * |
| 389 | ri->ri_stride; |
| 390 | if (ri->ri_hwbits != NULL) { |
| 391 | ri->ri_hwbits += (((ri->ri_width * bpp >> 3) - |
| 392 | ri->ri_emustride) >> 1) & ~3; |
| 393 | ri->ri_hwbits += ((ri->ri_height - ri->ri_emuheight) >> 1) * |
| 394 | ri->ri_stride; |
| 395 | } |
| 396 | ri->ri_yorigin = (int)(ri->ri_bits - ri->ri_origbits) |
| 397 | / ri->ri_stride; |
| 398 | ri->ri_xorigin = (((int)(ri->ri_bits - ri->ri_origbits) |
| 399 | % ri->ri_stride) * 8 / bpp); |
| 400 | } else |
| 401 | ri->ri_xorigin = ri->ri_yorigin = 0; |
| 402 | |
| 403 | /* |
| 404 | * Fill in defaults for operations set. XXX this nukes private |
| 405 | * routines used by accelerated fb drivers. |
| 406 | */ |
| 407 | ri->ri_ops.mapchar = rasops_mapchar; |
| 408 | ri->ri_ops.copyrows = rasops_copyrows; |
| 409 | ri->ri_ops.copycols = rasops_copycols; |
| 410 | ri->ri_ops.erasecols = rasops_erasecols; |
| 411 | ri->ri_ops.eraserows = rasops_eraserows; |
| 412 | ri->ri_ops.cursor = rasops_cursor; |
| 413 | ri->ri_do_cursor = rasops_do_cursor; |
| 414 | |
| 415 | if (ri->ri_depth < 8 || (ri->ri_flg & RI_FORCEMONO) != 0) { |
| 416 | ri->ri_ops.allocattr = rasops_allocattr_mono; |
| 417 | ri->ri_caps = WSSCREEN_UNDERLINE | WSSCREEN_REVERSE; |
| 418 | } else { |
| 419 | ri->ri_ops.allocattr = rasops_allocattr_color; |
| 420 | ri->ri_caps = WSSCREEN_UNDERLINE | WSSCREEN_HILIT | |
| 421 | WSSCREEN_WSCOLORS | WSSCREEN_REVERSE; |
| 422 | } |
| 423 | |
| 424 | switch (ri->ri_depth) { |
| 425 | #if NRASOPS1 > 0 |
| 426 | case 1: |
| 427 | rasops1_init(ri); |
| 428 | break; |
| 429 | #endif |
| 430 | #if NRASOPS2 > 0 |
| 431 | case 2: |
| 432 | rasops2_init(ri); |
| 433 | break; |
| 434 | #endif |
| 435 | #if NRASOPS4 > 0 |
| 436 | case 4: |
| 437 | rasops4_init(ri); |
| 438 | break; |
| 439 | #endif |
| 440 | #if NRASOPS8 > 0 |
| 441 | case 8: |
| 442 | rasops8_init(ri); |
| 443 | break; |
| 444 | #endif |
| 445 | #if NRASOPS15 > 0 || NRASOPS16 > 0 |
| 446 | case 15: |
| 447 | case 16: |
| 448 | rasops15_init(ri); |
| 449 | break; |
| 450 | #endif |
| 451 | #if NRASOPS24 > 0 |
| 452 | case 24: |
| 453 | rasops24_init(ri); |
| 454 | break; |
| 455 | #endif |
| 456 | #if NRASOPS32 > 0 |
| 457 | case 32: |
| 458 | rasops32_init(ri); |
| 459 | break; |
| 460 | #endif |
| 461 | default: |
| 462 | ri->ri_flg &= ~RI_CFGDONE; |
| 463 | splx(s); |
| 464 | return (-1); |
| 465 | } |
| 466 | |
| 467 | #if NRASOPS_ROTATION > 0 |
| 468 | if (ri->ri_flg & RI_ROTATE_MASK) { |
| 469 | if (ri->ri_flg & RI_ROTATE_CW) { |
| 470 | ri->ri_real_ops = ri->ri_ops; |
| 471 | ri->ri_ops.copycols = rasops_copycols_rotated_cw; |
| 472 | ri->ri_ops.copyrows = rasops_copyrows_rotated_cw; |
| 473 | ri->ri_ops.erasecols = rasops_erasecols_rotated_cw; |
| 474 | ri->ri_ops.eraserows = rasops_eraserows_rotated_cw; |
| 475 | ri->ri_ops.putchar = rasops_putchar_rotated_cw; |
| 476 | } else if (ri->ri_flg & RI_ROTATE_CCW) { |
| 477 | ri->ri_real_ops = ri->ri_ops; |
| 478 | ri->ri_ops.copycols = rasops_copycols_rotated_ccw; |
| 479 | ri->ri_ops.copyrows = rasops_copyrows_rotated_ccw; |
| 480 | ri->ri_ops.erasecols = rasops_erasecols_rotated_ccw; |
| 481 | ri->ri_ops.eraserows = rasops_eraserows_rotated_ccw; |
| 482 | ri->ri_ops.putchar = rasops_putchar_rotated_ccw; |
| 483 | } |
| 484 | } |
| 485 | #endif |
| 486 | |
| 487 | ri->ri_flg |= RI_CFGDONE; |
| 488 | splx(s); |
| 489 | return (0); |
| 490 | } |
| 491 | |
| 492 | /* |
| 493 | * Map a character. |
| 494 | */ |
| 495 | static int |
| 496 | rasops_mapchar(void *cookie, int c, u_int *cp) |
| 497 | { |
| 498 | struct rasops_info *ri; |
| 499 | |
| 500 | ri = (struct rasops_info *)cookie; |
| 501 | |
| 502 | #ifdef DIAGNOSTIC |
| 503 | if (ri->ri_font == NULL) |
| 504 | panic("rasops_mapchar: no font selected" ); |
| 505 | #endif |
| 506 | |
| 507 | if ( (c = wsfont_map_unichar(ri->ri_font, c)) < 0) { |
| 508 | *cp = ' '; |
| 509 | return (0); |
| 510 | } |
| 511 | |
| 512 | if (c < ri->ri_font->firstchar) { |
| 513 | *cp = ' '; |
| 514 | return (0); |
| 515 | } |
| 516 | |
| 517 | #if 0 |
| 518 | if (c - ri->ri_font->firstchar >= ri->ri_font->numchars) { |
| 519 | *cp = ' '; |
| 520 | return (0); |
| 521 | } |
| 522 | #endif |
| 523 | *cp = c; |
| 524 | return (5); |
| 525 | } |
| 526 | |
| 527 | /* |
| 528 | * Allocate a color attribute. |
| 529 | */ |
| 530 | static int |
| 531 | rasops_allocattr_color(void *cookie, int fg, int bg, int flg, |
| 532 | long *attr) |
| 533 | { |
| 534 | int swap; |
| 535 | |
| 536 | if (__predict_false((unsigned int)fg >= sizeof(rasops_isgray) || |
| 537 | (unsigned int)bg >= sizeof(rasops_isgray))) |
| 538 | return (EINVAL); |
| 539 | |
| 540 | #ifdef RASOPS_CLIPPING |
| 541 | fg &= 7; |
| 542 | bg &= 7; |
| 543 | #endif |
| 544 | if ((flg & WSATTR_BLINK) != 0) |
| 545 | return (EINVAL); |
| 546 | |
| 547 | if ((flg & WSATTR_WSCOLORS) == 0) { |
| 548 | #ifdef WS_DEFAULT_FG |
| 549 | fg = WS_DEFAULT_FG; |
| 550 | #else |
| 551 | fg = WSCOL_WHITE; |
| 552 | #endif |
| 553 | #ifdef WS_DEFAULT_BG |
| 554 | bg = WS_DEFAULT_BG; |
| 555 | #else |
| 556 | bg = WSCOL_BLACK; |
| 557 | #endif |
| 558 | } |
| 559 | |
| 560 | if ((flg & WSATTR_REVERSE) != 0) { |
| 561 | swap = fg; |
| 562 | fg = bg; |
| 563 | bg = swap; |
| 564 | } |
| 565 | |
| 566 | if ((flg & WSATTR_HILIT) != 0) |
| 567 | fg += 8; |
| 568 | |
| 569 | flg = ((flg & WSATTR_UNDERLINE) ? 1 : 0); |
| 570 | |
| 571 | if (rasops_isgray[fg]) |
| 572 | flg |= 2; |
| 573 | |
| 574 | if (rasops_isgray[bg]) |
| 575 | flg |= 4; |
| 576 | |
| 577 | *attr = (bg << 16) | (fg << 24) | flg; |
| 578 | return (0); |
| 579 | } |
| 580 | |
| 581 | /* |
| 582 | * Allocate a mono attribute. |
| 583 | */ |
| 584 | static int |
| 585 | rasops_allocattr_mono(void *cookie, int fg, int bg, int flg, |
| 586 | long *attr) |
| 587 | { |
| 588 | int swap; |
| 589 | |
| 590 | if ((flg & (WSATTR_BLINK | WSATTR_HILIT | WSATTR_WSCOLORS)) != 0) |
| 591 | return (EINVAL); |
| 592 | |
| 593 | fg = 1; |
| 594 | bg = 0; |
| 595 | |
| 596 | if ((flg & WSATTR_REVERSE) != 0) { |
| 597 | swap = fg; |
| 598 | fg = bg; |
| 599 | bg = swap; |
| 600 | } |
| 601 | |
| 602 | *attr = (bg << 16) | (fg << 24) | ((flg & WSATTR_UNDERLINE) ? 7 : 6); |
| 603 | return (0); |
| 604 | } |
| 605 | |
| 606 | /* |
| 607 | * Copy rows. |
| 608 | */ |
| 609 | static void |
| 610 | rasops_copyrows(void *cookie, int src, int dst, int num) |
| 611 | { |
| 612 | int32_t *sp, *dp, *hp, *srp, *drp, *hrp; |
| 613 | struct rasops_info *ri; |
| 614 | int n8, n1, cnt, delta; |
| 615 | |
| 616 | ri = (struct rasops_info *)cookie; |
| 617 | hp = hrp = NULL; |
| 618 | |
| 619 | #ifdef RASOPS_CLIPPING |
| 620 | if (dst == src) |
| 621 | return; |
| 622 | |
| 623 | if (src < 0) { |
| 624 | num += src; |
| 625 | src = 0; |
| 626 | } |
| 627 | |
| 628 | if ((src + num) > ri->ri_rows) |
| 629 | num = ri->ri_rows - src; |
| 630 | |
| 631 | if (dst < 0) { |
| 632 | num += dst; |
| 633 | dst = 0; |
| 634 | } |
| 635 | |
| 636 | if ((dst + num) > ri->ri_rows) |
| 637 | num = ri->ri_rows - dst; |
| 638 | |
| 639 | if (num <= 0) |
| 640 | return; |
| 641 | #endif |
| 642 | |
| 643 | num *= ri->ri_font->fontheight; |
| 644 | n8 = ri->ri_emustride >> 5; |
| 645 | n1 = (ri->ri_emustride >> 2) & 7; |
| 646 | |
| 647 | if (dst < src) { |
| 648 | srp = (int32_t *)(ri->ri_bits + src * ri->ri_yscale); |
| 649 | drp = (int32_t *)(ri->ri_bits + dst * ri->ri_yscale); |
| 650 | if (ri->ri_hwbits) |
| 651 | hrp = (int32_t *)(ri->ri_hwbits + dst * |
| 652 | ri->ri_yscale); |
| 653 | delta = ri->ri_stride; |
| 654 | } else { |
| 655 | src = ri->ri_font->fontheight * src + num - 1; |
| 656 | dst = ri->ri_font->fontheight * dst + num - 1; |
| 657 | srp = (int32_t *)(ri->ri_bits + src * ri->ri_stride); |
| 658 | drp = (int32_t *)(ri->ri_bits + dst * ri->ri_stride); |
| 659 | if (ri->ri_hwbits) |
| 660 | hrp = (int32_t *)(ri->ri_hwbits + dst * |
| 661 | ri->ri_stride); |
| 662 | |
| 663 | delta = -ri->ri_stride; |
| 664 | } |
| 665 | |
| 666 | while (num--) { |
| 667 | dp = drp; |
| 668 | sp = srp; |
| 669 | if (ri->ri_hwbits) |
| 670 | hp = hrp; |
| 671 | |
| 672 | DELTA(drp, delta, int32_t *); |
| 673 | DELTA(srp, delta, int32_t *); |
| 674 | if (ri->ri_hwbits) |
| 675 | DELTA(hrp, delta, int32_t *); |
| 676 | |
| 677 | for (cnt = n8; cnt; cnt--) { |
| 678 | dp[0] = sp[0]; |
| 679 | dp[1] = sp[1]; |
| 680 | dp[2] = sp[2]; |
| 681 | dp[3] = sp[3]; |
| 682 | dp[4] = sp[4]; |
| 683 | dp[5] = sp[5]; |
| 684 | dp[6] = sp[6]; |
| 685 | dp[7] = sp[7]; |
| 686 | dp += 8; |
| 687 | sp += 8; |
| 688 | } |
| 689 | if (ri->ri_hwbits) { |
| 690 | sp -= (8 * n8); |
| 691 | for (cnt = n8; cnt; cnt--) { |
| 692 | hp[0] = sp[0]; |
| 693 | hp[1] = sp[1]; |
| 694 | hp[2] = sp[2]; |
| 695 | hp[3] = sp[3]; |
| 696 | hp[4] = sp[4]; |
| 697 | hp[5] = sp[5]; |
| 698 | hp[6] = sp[6]; |
| 699 | hp[7] = sp[7]; |
| 700 | hp += 8; |
| 701 | sp += 8; |
| 702 | } |
| 703 | } |
| 704 | |
| 705 | for (cnt = n1; cnt; cnt--) { |
| 706 | *dp++ = *sp++; |
| 707 | if (ri->ri_hwbits) |
| 708 | *hp++ = *(sp - 1); |
| 709 | } |
| 710 | } |
| 711 | } |
| 712 | |
| 713 | /* |
| 714 | * Copy columns. This is slow, and hard to optimize due to alignment, |
| 715 | * and the fact that we have to copy both left->right and right->left. |
| 716 | * We simply cop-out here and use memmove(), since it handles all of |
| 717 | * these cases anyway. |
| 718 | */ |
| 719 | void |
| 720 | rasops_copycols(void *cookie, int row, int src, int dst, int num) |
| 721 | { |
| 722 | struct rasops_info *ri; |
| 723 | u_char *sp, *dp, *hp; |
| 724 | int height; |
| 725 | |
| 726 | ri = (struct rasops_info *)cookie; |
| 727 | hp = NULL; |
| 728 | |
| 729 | #ifdef RASOPS_CLIPPING |
| 730 | if (dst == src) |
| 731 | return; |
| 732 | |
| 733 | /* Catches < 0 case too */ |
| 734 | if ((unsigned)row >= (unsigned)ri->ri_rows) |
| 735 | return; |
| 736 | |
| 737 | if (src < 0) { |
| 738 | num += src; |
| 739 | src = 0; |
| 740 | } |
| 741 | |
| 742 | if ((src + num) > ri->ri_cols) |
| 743 | num = ri->ri_cols - src; |
| 744 | |
| 745 | if (dst < 0) { |
| 746 | num += dst; |
| 747 | dst = 0; |
| 748 | } |
| 749 | |
| 750 | if ((dst + num) > ri->ri_cols) |
| 751 | num = ri->ri_cols - dst; |
| 752 | |
| 753 | if (num <= 0) |
| 754 | return; |
| 755 | #endif |
| 756 | |
| 757 | num *= ri->ri_xscale; |
| 758 | row *= ri->ri_yscale; |
| 759 | height = ri->ri_font->fontheight; |
| 760 | |
| 761 | sp = ri->ri_bits + row + src * ri->ri_xscale; |
| 762 | dp = ri->ri_bits + row + dst * ri->ri_xscale; |
| 763 | if (ri->ri_hwbits) |
| 764 | hp = ri->ri_hwbits + row + dst * ri->ri_xscale; |
| 765 | |
| 766 | while (height--) { |
| 767 | memmove(dp, sp, num); |
| 768 | if (ri->ri_hwbits) { |
| 769 | memcpy(hp, sp, num); |
| 770 | hp += ri->ri_stride; |
| 771 | } |
| 772 | dp += ri->ri_stride; |
| 773 | sp += ri->ri_stride; |
| 774 | } |
| 775 | } |
| 776 | |
| 777 | /* |
| 778 | * Turn cursor off/on. |
| 779 | */ |
| 780 | static void |
| 781 | rasops_cursor(void *cookie, int on, int row, int col) |
| 782 | { |
| 783 | struct rasops_info *ri; |
| 784 | |
| 785 | ri = (struct rasops_info *)cookie; |
| 786 | |
| 787 | /* Turn old cursor off */ |
| 788 | if ((ri->ri_flg & RI_CURSOR) != 0) |
| 789 | #ifdef RASOPS_CLIPPING |
| 790 | if ((ri->ri_flg & RI_CURSORCLIP) == 0) |
| 791 | #endif |
| 792 | ri->ri_do_cursor(ri); |
| 793 | |
| 794 | /* Select new cursor */ |
| 795 | #ifdef RASOPS_CLIPPING |
| 796 | ri->ri_flg &= ~RI_CURSORCLIP; |
| 797 | |
| 798 | if (row < 0 || row >= ri->ri_rows) |
| 799 | ri->ri_flg |= RI_CURSORCLIP; |
| 800 | else if (col < 0 || col >= ri->ri_cols) |
| 801 | ri->ri_flg |= RI_CURSORCLIP; |
| 802 | #endif |
| 803 | ri->ri_crow = row; |
| 804 | ri->ri_ccol = col; |
| 805 | |
| 806 | if (on) { |
| 807 | ri->ri_flg |= RI_CURSOR; |
| 808 | #ifdef RASOPS_CLIPPING |
| 809 | if ((ri->ri_flg & RI_CURSORCLIP) == 0) |
| 810 | #endif |
| 811 | ri->ri_do_cursor(ri); |
| 812 | } else |
| 813 | ri->ri_flg &= ~RI_CURSOR; |
| 814 | } |
| 815 | |
| 816 | /* |
| 817 | * Make the device colormap |
| 818 | */ |
| 819 | static void |
| 820 | rasops_init_devcmap(struct rasops_info *ri) |
| 821 | { |
| 822 | const u_char *p; |
| 823 | int i, c; |
| 824 | |
| 825 | switch (ri->ri_depth) { |
| 826 | case 1: |
| 827 | ri->ri_devcmap[0] = 0; |
| 828 | for (i = 1; i < 16; i++) |
| 829 | ri->ri_devcmap[i] = -1; |
| 830 | return; |
| 831 | |
| 832 | case 2: |
| 833 | for (i = 1; i < 15; i++) |
| 834 | ri->ri_devcmap[i] = 0xaaaaaaaa; |
| 835 | |
| 836 | ri->ri_devcmap[0] = 0; |
| 837 | ri->ri_devcmap[8] = 0x55555555; |
| 838 | ri->ri_devcmap[15] = -1; |
| 839 | return; |
| 840 | |
| 841 | case 8: |
| 842 | if ((ri->ri_flg & RI_8BIT_IS_RGB) == 0) { |
| 843 | for (i = 0; i < 16; i++) |
| 844 | ri->ri_devcmap[i] = |
| 845 | i | (i<<8) | (i<<16) | (i<<24); |
| 846 | return; |
| 847 | } |
| 848 | } |
| 849 | |
| 850 | p = rasops_cmap; |
| 851 | |
| 852 | for (i = 0; i < 16; i++) { |
| 853 | if (ri->ri_rnum <= 8) |
| 854 | c = (*p >> (8 - ri->ri_rnum)) << ri->ri_rpos; |
| 855 | else |
| 856 | c = (*p << (ri->ri_rnum - 8)) << ri->ri_rpos; |
| 857 | p++; |
| 858 | |
| 859 | if (ri->ri_gnum <= 8) |
| 860 | c |= (*p >> (8 - ri->ri_gnum)) << ri->ri_gpos; |
| 861 | else |
| 862 | c |= (*p << (ri->ri_gnum - 8)) << ri->ri_gpos; |
| 863 | p++; |
| 864 | |
| 865 | if (ri->ri_bnum <= 8) |
| 866 | c |= (*p >> (8 - ri->ri_bnum)) << ri->ri_bpos; |
| 867 | else |
| 868 | c |= (*p << (ri->ri_bnum - 8)) << ri->ri_bpos; |
| 869 | p++; |
| 870 | |
| 871 | /* Fill the word for generic routines, which want this */ |
| 872 | if (ri->ri_depth == 24) |
| 873 | c = c | ((c & 0xff) << 24); |
| 874 | else if (ri->ri_depth == 8) { |
| 875 | c = c | (c << 8); |
| 876 | c |= c << 16; |
| 877 | } else if (ri->ri_depth <= 16) |
| 878 | c = c | (c << 16); |
| 879 | |
| 880 | /* 24bpp does bswap on the fly. {32,16,15}bpp do it here. */ |
| 881 | if ((ri->ri_flg & RI_BSWAP) == 0) |
| 882 | ri->ri_devcmap[i] = c; |
| 883 | else if (ri->ri_depth == 32) |
| 884 | ri->ri_devcmap[i] = bswap32(c); |
| 885 | else if (ri->ri_depth == 16 || ri->ri_depth == 15) |
| 886 | ri->ri_devcmap[i] = bswap16(c); |
| 887 | else |
| 888 | ri->ri_devcmap[i] = c; |
| 889 | } |
| 890 | } |
| 891 | |
| 892 | /* |
| 893 | * Unpack a rasops attribute |
| 894 | */ |
| 895 | void |
| 896 | rasops_unpack_attr(long attr, int *fg, int *bg, int *underline) |
| 897 | { |
| 898 | |
| 899 | *fg = ((u_int)attr >> 24) & 0xf; |
| 900 | *bg = ((u_int)attr >> 16) & 0xf; |
| 901 | if (underline != NULL) |
| 902 | *underline = (u_int)attr & 1; |
| 903 | } |
| 904 | |
| 905 | /* |
| 906 | * Erase rows. This isn't static, since 24-bpp uses it in special cases. |
| 907 | */ |
| 908 | void |
| 909 | rasops_eraserows(void *cookie, int row, int num, long attr) |
| 910 | { |
| 911 | struct rasops_info *ri; |
| 912 | int np, nw, cnt, delta; |
| 913 | int32_t *dp, *hp, clr; |
| 914 | int i; |
| 915 | |
| 916 | ri = (struct rasops_info *)cookie; |
| 917 | hp = NULL; |
| 918 | |
| 919 | #ifdef RASOPS_CLIPPING |
| 920 | if (row < 0) { |
| 921 | num += row; |
| 922 | row = 0; |
| 923 | } |
| 924 | |
| 925 | if ((row + num) > ri->ri_rows) |
| 926 | num = ri->ri_rows - row; |
| 927 | |
| 928 | if (num <= 0) |
| 929 | return; |
| 930 | #endif |
| 931 | |
| 932 | clr = ri->ri_devcmap[(attr >> 16) & 0xf]; |
| 933 | |
| 934 | /* |
| 935 | * XXX The wsdisplay_emulops interface seems a little deficient in |
| 936 | * that there is no way to clear the *entire* screen. We provide a |
| 937 | * workaround here: if the entire console area is being cleared, and |
| 938 | * the RI_FULLCLEAR flag is set, clear the entire display. |
| 939 | */ |
| 940 | if (num == ri->ri_rows && (ri->ri_flg & RI_FULLCLEAR) != 0) { |
| 941 | np = ri->ri_stride >> 5; |
| 942 | nw = (ri->ri_stride >> 2) & 7; |
| 943 | num = ri->ri_height; |
| 944 | dp = (int32_t *)ri->ri_origbits; |
| 945 | if (ri->ri_hwbits) |
| 946 | hp = (int32_t *)ri->ri_hworigbits; |
| 947 | delta = 0; |
| 948 | } else { |
| 949 | np = ri->ri_emustride >> 5; |
| 950 | nw = (ri->ri_emustride >> 2) & 7; |
| 951 | num *= ri->ri_font->fontheight; |
| 952 | dp = (int32_t *)(ri->ri_bits + row * ri->ri_yscale); |
| 953 | if (ri->ri_hwbits) |
| 954 | hp = (int32_t *)(ri->ri_hwbits + row * |
| 955 | ri->ri_yscale); |
| 956 | delta = ri->ri_delta; |
| 957 | } |
| 958 | |
| 959 | while (num--) { |
| 960 | for (cnt = np; cnt; cnt--) { |
| 961 | for (i = 0; i < 8; i++) { |
| 962 | dp[i] = clr; |
| 963 | if (ri->ri_hwbits) |
| 964 | hp[i] = clr; |
| 965 | } |
| 966 | dp += 8; |
| 967 | if (ri->ri_hwbits) |
| 968 | hp += 8; |
| 969 | } |
| 970 | |
| 971 | for (cnt = nw; cnt; cnt--) { |
| 972 | *(int32_t *)dp = clr; |
| 973 | DELTA(dp, 4, int32_t *); |
| 974 | if (ri->ri_hwbits) { |
| 975 | *(int32_t *)hp = clr; |
| 976 | DELTA(hp, 4, int32_t *); |
| 977 | } |
| 978 | } |
| 979 | |
| 980 | DELTA(dp, delta, int32_t *); |
| 981 | if (ri->ri_hwbits) |
| 982 | DELTA(hp, delta, int32_t *); |
| 983 | } |
| 984 | } |
| 985 | |
| 986 | /* |
| 987 | * Actually turn the cursor on or off. This does the dirty work for |
| 988 | * rasops_cursor(). |
| 989 | */ |
| 990 | static void |
| 991 | rasops_do_cursor(struct rasops_info *ri) |
| 992 | { |
| 993 | int full1, height, cnt, slop1, slop2, row, col; |
| 994 | u_char *dp, *rp, *hrp, *hp, tmp = 0; |
| 995 | |
| 996 | hrp = hp = NULL; |
| 997 | |
| 998 | #if NRASOPS_ROTATION > 0 |
| 999 | if (ri->ri_flg & RI_ROTATE_MASK) { |
| 1000 | if (ri->ri_flg & RI_ROTATE_CW) { |
| 1001 | /* Rotate rows/columns */ |
| 1002 | row = ri->ri_ccol; |
| 1003 | col = ri->ri_rows - ri->ri_crow - 1; |
| 1004 | } else if (ri->ri_flg & RI_ROTATE_CCW) { |
| 1005 | /* Rotate rows/columns */ |
| 1006 | row = ri->ri_cols - ri->ri_ccol - 1; |
| 1007 | col = ri->ri_crow; |
| 1008 | } else { /* upside-down */ |
| 1009 | row = ri->ri_crow; |
| 1010 | col = ri->ri_ccol; |
| 1011 | } |
| 1012 | } else |
| 1013 | #endif |
| 1014 | { |
| 1015 | row = ri->ri_crow; |
| 1016 | col = ri->ri_ccol; |
| 1017 | } |
| 1018 | |
| 1019 | rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale; |
| 1020 | if (ri->ri_hwbits) |
| 1021 | hrp = ri->ri_hwbits + row * ri->ri_yscale + col |
| 1022 | * ri->ri_xscale; |
| 1023 | height = ri->ri_font->fontheight; |
| 1024 | slop1 = (4 - ((long)rp & 3)) & 3; |
| 1025 | |
| 1026 | if (slop1 > ri->ri_xscale) |
| 1027 | slop1 = ri->ri_xscale; |
| 1028 | |
| 1029 | slop2 = (ri->ri_xscale - slop1) & 3; |
| 1030 | full1 = (ri->ri_xscale - slop1 - slop2) >> 2; |
| 1031 | |
| 1032 | if ((slop1 | slop2) == 0) { |
| 1033 | uint32_t tmp32; |
| 1034 | /* A common case */ |
| 1035 | while (height--) { |
| 1036 | dp = rp; |
| 1037 | rp += ri->ri_stride; |
| 1038 | if (ri->ri_hwbits) { |
| 1039 | hp = hrp; |
| 1040 | hrp += ri->ri_stride; |
| 1041 | } |
| 1042 | |
| 1043 | for (cnt = full1; cnt; cnt--) { |
| 1044 | tmp32 = *(int32_t *)dp ^ ~0; |
| 1045 | *(int32_t *)dp = tmp32; |
| 1046 | dp += 4; |
| 1047 | if (ri->ri_hwbits) { |
| 1048 | *(int32_t *)hp = tmp32; |
| 1049 | hp += 4; |
| 1050 | } |
| 1051 | } |
| 1052 | } |
| 1053 | } else { |
| 1054 | uint16_t tmp16; |
| 1055 | uint32_t tmp32; |
| 1056 | /* XXX this is stupid.. use masks instead */ |
| 1057 | while (height--) { |
| 1058 | dp = rp; |
| 1059 | rp += ri->ri_stride; |
| 1060 | if (ri->ri_hwbits) { |
| 1061 | hp = hrp; |
| 1062 | hrp += ri->ri_stride; |
| 1063 | } |
| 1064 | |
| 1065 | if (slop1 & 1) { |
| 1066 | tmp = *dp ^ ~0; |
| 1067 | *dp = tmp; |
| 1068 | dp++; |
| 1069 | if (ri->ri_hwbits) { |
| 1070 | *hp++ = tmp; |
| 1071 | } |
| 1072 | } |
| 1073 | |
| 1074 | if (slop1 & 2) { |
| 1075 | tmp16 = *(int16_t *)dp ^ ~0; |
| 1076 | *(uint16_t *)dp = tmp16; |
| 1077 | dp += 2; |
| 1078 | if (ri->ri_hwbits) { |
| 1079 | *(int16_t *)hp = tmp16; |
| 1080 | hp += 2; |
| 1081 | } |
| 1082 | } |
| 1083 | |
| 1084 | for (cnt = full1; cnt; cnt--) { |
| 1085 | tmp32 = *(int32_t *)dp ^ ~0; |
| 1086 | *(uint32_t *)dp = tmp32; |
| 1087 | dp += 4; |
| 1088 | if (ri->ri_hwbits) { |
| 1089 | *(int32_t *)hp = tmp32; |
| 1090 | hp += 4; |
| 1091 | } |
| 1092 | } |
| 1093 | |
| 1094 | if (slop2 & 1) { |
| 1095 | tmp = *dp ^ ~0; |
| 1096 | *dp = tmp; |
| 1097 | dp++; |
| 1098 | if (ri->ri_hwbits) |
| 1099 | *hp++ = tmp; |
| 1100 | } |
| 1101 | |
| 1102 | if (slop2 & 2) { |
| 1103 | tmp16 = *(int16_t *)dp ^ ~0; |
| 1104 | *(uint16_t *)dp = tmp16; |
| 1105 | if (ri->ri_hwbits) |
| 1106 | *(int16_t *)hp = tmp16; |
| 1107 | } |
| 1108 | } |
| 1109 | } |
| 1110 | } |
| 1111 | |
| 1112 | /* |
| 1113 | * Erase columns. |
| 1114 | */ |
| 1115 | void |
| 1116 | rasops_erasecols(void *cookie, int row, int col, int num, long attr) |
| 1117 | { |
| 1118 | int n8, height, cnt, slop1, slop2, clr; |
| 1119 | struct rasops_info *ri; |
| 1120 | int32_t *rp, *dp, *hrp, *hp; |
| 1121 | int i; |
| 1122 | |
| 1123 | ri = (struct rasops_info *)cookie; |
| 1124 | hrp = hp = NULL; |
| 1125 | |
| 1126 | #ifdef RASOPS_CLIPPING |
| 1127 | if ((unsigned)row >= (unsigned)ri->ri_rows) |
| 1128 | return; |
| 1129 | |
| 1130 | if (col < 0) { |
| 1131 | num += col; |
| 1132 | col = 0; |
| 1133 | } |
| 1134 | |
| 1135 | if ((col + num) > ri->ri_cols) |
| 1136 | num = ri->ri_cols - col; |
| 1137 | |
| 1138 | if (num <= 0) |
| 1139 | return; |
| 1140 | #endif |
| 1141 | |
| 1142 | num = num * ri->ri_xscale; |
| 1143 | rp = (int32_t *)(ri->ri_bits + row*ri->ri_yscale + col*ri->ri_xscale); |
| 1144 | if (ri->ri_hwbits) |
| 1145 | hrp = (int32_t *)(ri->ri_hwbits + row*ri->ri_yscale + |
| 1146 | col*ri->ri_xscale); |
| 1147 | height = ri->ri_font->fontheight; |
| 1148 | clr = ri->ri_devcmap[(attr >> 16) & 0xf]; |
| 1149 | |
| 1150 | /* Don't bother using the full loop for <= 32 pels */ |
| 1151 | if (num <= 32) { |
| 1152 | if (((num | ri->ri_xscale) & 3) == 0) { |
| 1153 | /* Word aligned blt */ |
| 1154 | num >>= 2; |
| 1155 | |
| 1156 | while (height--) { |
| 1157 | dp = rp; |
| 1158 | DELTA(rp, ri->ri_stride, int32_t *); |
| 1159 | if (ri->ri_hwbits) { |
| 1160 | hp = hrp; |
| 1161 | DELTA(hrp, ri->ri_stride, int32_t *); |
| 1162 | } |
| 1163 | |
| 1164 | for (cnt = num; cnt; cnt--) { |
| 1165 | *dp++ = clr; |
| 1166 | if (ri->ri_hwbits) |
| 1167 | *hp++ = clr; |
| 1168 | } |
| 1169 | } |
| 1170 | } else if (((num | ri->ri_xscale) & 1) == 0) { |
| 1171 | /* |
| 1172 | * Halfword aligned blt. This is needed so the |
| 1173 | * 15/16 bit ops can use this function. |
| 1174 | */ |
| 1175 | num >>= 1; |
| 1176 | |
| 1177 | while (height--) { |
| 1178 | dp = rp; |
| 1179 | DELTA(rp, ri->ri_stride, int32_t *); |
| 1180 | if (ri->ri_hwbits) { |
| 1181 | hp = hrp; |
| 1182 | DELTA(hrp, ri->ri_stride, int32_t *); |
| 1183 | } |
| 1184 | |
| 1185 | for (cnt = num; cnt; cnt--) { |
| 1186 | *(int16_t *)dp = clr; |
| 1187 | DELTA(dp, 2, int32_t *); |
| 1188 | if (ri->ri_hwbits) { |
| 1189 | *(int16_t *)hp = clr; |
| 1190 | DELTA(hp, 2, int32_t *); |
| 1191 | } |
| 1192 | } |
| 1193 | } |
| 1194 | } else { |
| 1195 | while (height--) { |
| 1196 | dp = rp; |
| 1197 | DELTA(rp, ri->ri_stride, int32_t *); |
| 1198 | if (ri->ri_hwbits) { |
| 1199 | hp = hrp; |
| 1200 | DELTA(hrp, ri->ri_stride, int32_t *); |
| 1201 | } |
| 1202 | |
| 1203 | for (cnt = num; cnt; cnt--) { |
| 1204 | *(u_char *)dp = clr; |
| 1205 | DELTA(dp, 1, int32_t *); |
| 1206 | if (ri->ri_hwbits) { |
| 1207 | *(u_char *)hp = clr; |
| 1208 | DELTA(hp, 1, int32_t *); |
| 1209 | } |
| 1210 | } |
| 1211 | } |
| 1212 | } |
| 1213 | |
| 1214 | return; |
| 1215 | } |
| 1216 | |
| 1217 | slop1 = (4 - ((long)rp & 3)) & 3; |
| 1218 | slop2 = (num - slop1) & 3; |
| 1219 | num -= slop1 + slop2; |
| 1220 | n8 = num >> 5; |
| 1221 | num = (num >> 2) & 7; |
| 1222 | |
| 1223 | while (height--) { |
| 1224 | dp = rp; |
| 1225 | DELTA(rp, ri->ri_stride, int32_t *); |
| 1226 | if (ri->ri_hwbits) { |
| 1227 | hp = hrp; |
| 1228 | DELTA(hrp, ri->ri_stride, int32_t *); |
| 1229 | } |
| 1230 | |
| 1231 | /* Align span to 4 bytes */ |
| 1232 | if (slop1 & 1) { |
| 1233 | *(u_char *)dp = clr; |
| 1234 | DELTA(dp, 1, int32_t *); |
| 1235 | if (ri->ri_hwbits) { |
| 1236 | *(u_char *)hp = clr; |
| 1237 | DELTA(hp, 1, int32_t *); |
| 1238 | } |
| 1239 | } |
| 1240 | |
| 1241 | if (slop1 & 2) { |
| 1242 | *(int16_t *)dp = clr; |
| 1243 | DELTA(dp, 2, int32_t *); |
| 1244 | if (ri->ri_hwbits) { |
| 1245 | *(int16_t *)hp = clr; |
| 1246 | DELTA(hp, 2, int32_t *); |
| 1247 | } |
| 1248 | } |
| 1249 | |
| 1250 | /* Write 32 bytes per loop */ |
| 1251 | for (cnt = n8; cnt; cnt--) { |
| 1252 | for (i = 0; i < 8; i++) { |
| 1253 | dp[i] = clr; |
| 1254 | if (ri->ri_hwbits) |
| 1255 | hp[i] = clr; |
| 1256 | } |
| 1257 | dp += 8; |
| 1258 | if (ri->ri_hwbits) |
| 1259 | hp += 8; |
| 1260 | } |
| 1261 | |
| 1262 | /* Write 4 bytes per loop */ |
| 1263 | for (cnt = num; cnt; cnt--) { |
| 1264 | *dp++ = clr; |
| 1265 | if (ri->ri_hwbits) |
| 1266 | *hp++ = clr; |
| 1267 | } |
| 1268 | |
| 1269 | /* Write unaligned trailing slop */ |
| 1270 | if (slop2 & 1) { |
| 1271 | *(u_char *)dp = clr; |
| 1272 | DELTA(dp, 1, int32_t *); |
| 1273 | if (ri->ri_hwbits) { |
| 1274 | *(u_char *)hp = clr; |
| 1275 | DELTA(hp, 1, int32_t *); |
| 1276 | } |
| 1277 | } |
| 1278 | |
| 1279 | if (slop2 & 2) { |
| 1280 | *(int16_t *)dp = clr; |
| 1281 | if (ri->ri_hwbits) |
| 1282 | *(int16_t *)hp = clr; |
| 1283 | } |
| 1284 | } |
| 1285 | } |
| 1286 | |
| 1287 | #if NRASOPS_ROTATION > 0 |
| 1288 | /* |
| 1289 | * Quarter clockwise rotation routines (originally intended for the |
| 1290 | * built-in Zaurus C3x00 display in 16bpp). |
| 1291 | */ |
| 1292 | |
| 1293 | #include <sys/malloc.h> |
| 1294 | |
| 1295 | static void |
| 1296 | rasops_rotate_font(int *cookie, int rotate) |
| 1297 | { |
| 1298 | struct rotatedfont *f; |
| 1299 | int ncookie; |
| 1300 | |
| 1301 | SLIST_FOREACH(f, &rotatedfonts, rf_next) { |
| 1302 | if (f->rf_cookie == *cookie) { |
| 1303 | *cookie = f->rf_rotated; |
| 1304 | return; |
| 1305 | } |
| 1306 | } |
| 1307 | |
| 1308 | /* |
| 1309 | * We did not find a rotated version of this font. Ask the wsfont |
| 1310 | * code to compute one for us. |
| 1311 | */ |
| 1312 | |
| 1313 | f = malloc(sizeof(struct rotatedfont), M_DEVBUF, M_WAITOK); |
| 1314 | if (f == NULL) |
| 1315 | goto fail0; |
| 1316 | |
| 1317 | if ((ncookie = wsfont_rotate(*cookie, rotate)) == -1) |
| 1318 | goto fail1; |
| 1319 | |
| 1320 | f->rf_cookie = *cookie; |
| 1321 | f->rf_rotated = ncookie; |
| 1322 | SLIST_INSERT_HEAD(&rotatedfonts, f, rf_next); |
| 1323 | |
| 1324 | *cookie = ncookie; |
| 1325 | return; |
| 1326 | |
| 1327 | fail1: free(f, M_DEVBUF); |
| 1328 | fail0: /* Just use the existing font, I guess... */ |
| 1329 | return; |
| 1330 | } |
| 1331 | |
| 1332 | static void |
| 1333 | rasops_copychar(void *cookie, int srcrow, int dstrow, int srccol, int dstcol) |
| 1334 | { |
| 1335 | struct rasops_info *ri; |
| 1336 | u_char *sp, *dp; |
| 1337 | int height; |
| 1338 | int r_srcrow, r_dstrow, r_srccol, r_dstcol; |
| 1339 | |
| 1340 | ri = (struct rasops_info *)cookie; |
| 1341 | |
| 1342 | r_srcrow = srccol; |
| 1343 | r_dstrow = dstcol; |
| 1344 | r_srccol = ri->ri_rows - srcrow - 1; |
| 1345 | r_dstcol = ri->ri_rows - dstrow - 1; |
| 1346 | |
| 1347 | r_srcrow *= ri->ri_yscale; |
| 1348 | r_dstrow *= ri->ri_yscale; |
| 1349 | height = ri->ri_font->fontheight; |
| 1350 | |
| 1351 | sp = ri->ri_bits + r_srcrow + r_srccol * ri->ri_xscale; |
| 1352 | dp = ri->ri_bits + r_dstrow + r_dstcol * ri->ri_xscale; |
| 1353 | |
| 1354 | while (height--) { |
| 1355 | memmove(dp, sp, ri->ri_xscale); |
| 1356 | dp += ri->ri_stride; |
| 1357 | sp += ri->ri_stride; |
| 1358 | } |
| 1359 | } |
| 1360 | |
| 1361 | static void |
| 1362 | rasops_putchar_rotated_cw(void *cookie, int row, int col, u_int uc, long attr) |
| 1363 | { |
| 1364 | struct rasops_info *ri; |
| 1365 | u_char *rp; |
| 1366 | int height; |
| 1367 | |
| 1368 | ri = (struct rasops_info *)cookie; |
| 1369 | |
| 1370 | if (__predict_false((unsigned int)row > ri->ri_rows || |
| 1371 | (unsigned int)col > ri->ri_cols)) |
| 1372 | return; |
| 1373 | |
| 1374 | /* Avoid underflow */ |
| 1375 | if ((ri->ri_rows - row - 1) < 0) |
| 1376 | return; |
| 1377 | |
| 1378 | /* Do rotated char sans (side)underline */ |
| 1379 | ri->ri_real_ops.putchar(cookie, col, ri->ri_rows - row - 1, uc, |
| 1380 | attr & ~1); |
| 1381 | |
| 1382 | /* Do rotated underline */ |
| 1383 | rp = ri->ri_bits + col * ri->ri_yscale + (ri->ri_rows - row - 1) * |
| 1384 | ri->ri_xscale; |
| 1385 | height = ri->ri_font->fontheight; |
| 1386 | |
| 1387 | /* XXX this assumes 16-bit color depth */ |
| 1388 | if ((attr & 1) != 0) { |
| 1389 | int16_t c = (int16_t)ri->ri_devcmap[((u_int)attr >> 24) & 0xf]; |
| 1390 | |
| 1391 | while (height--) { |
| 1392 | *(int16_t *)rp = c; |
| 1393 | rp += ri->ri_stride; |
| 1394 | } |
| 1395 | } |
| 1396 | } |
| 1397 | |
| 1398 | static void |
| 1399 | rasops_erasecols_rotated_cw(void *cookie, int row, int col, int num, long attr) |
| 1400 | { |
| 1401 | struct rasops_info *ri; |
| 1402 | int i; |
| 1403 | |
| 1404 | ri = (struct rasops_info *)cookie; |
| 1405 | |
| 1406 | for (i = col; i < col + num; i++) |
| 1407 | ri->ri_ops.putchar(cookie, row, i, ' ', attr); |
| 1408 | } |
| 1409 | |
| 1410 | /* XXX: these could likely be optimised somewhat. */ |
| 1411 | static void |
| 1412 | rasops_copyrows_rotated_cw(void *cookie, int src, int dst, int num) |
| 1413 | { |
| 1414 | struct rasops_info *ri = (struct rasops_info *)cookie; |
| 1415 | int col, roff; |
| 1416 | |
| 1417 | if (src > dst) |
| 1418 | for (roff = 0; roff < num; roff++) |
| 1419 | for (col = 0; col < ri->ri_cols; col++) |
| 1420 | rasops_copychar(cookie, src + roff, dst + roff, |
| 1421 | col, col); |
| 1422 | else |
| 1423 | for (roff = num - 1; roff >= 0; roff--) |
| 1424 | for (col = 0; col < ri->ri_cols; col++) |
| 1425 | rasops_copychar(cookie, src + roff, dst + roff, |
| 1426 | col, col); |
| 1427 | } |
| 1428 | |
| 1429 | static void |
| 1430 | rasops_copycols_rotated_cw(void *cookie, int row, int src, int dst, int num) |
| 1431 | { |
| 1432 | int coff; |
| 1433 | |
| 1434 | if (src > dst) |
| 1435 | for (coff = 0; coff < num; coff++) |
| 1436 | rasops_copychar(cookie, row, row, src + coff, dst + coff); |
| 1437 | else |
| 1438 | for (coff = num - 1; coff >= 0; coff--) |
| 1439 | rasops_copychar(cookie, row, row, src + coff, dst + coff); |
| 1440 | } |
| 1441 | |
| 1442 | static void |
| 1443 | rasops_eraserows_rotated_cw(void *cookie, int row, int num, long attr) |
| 1444 | { |
| 1445 | struct rasops_info *ri; |
| 1446 | int col, rn; |
| 1447 | |
| 1448 | ri = (struct rasops_info *)cookie; |
| 1449 | |
| 1450 | for (rn = row; rn < row + num; rn++) |
| 1451 | for (col = 0; col < ri->ri_cols; col++) |
| 1452 | ri->ri_ops.putchar(cookie, rn, col, ' ', attr); |
| 1453 | } |
| 1454 | |
| 1455 | /* |
| 1456 | * Quarter counter-clockwise rotation routines (originally intended for the |
| 1457 | * built-in Sharp W-ZERO3 display in 16bpp). |
| 1458 | */ |
| 1459 | static void |
| 1460 | rasops_copychar_ccw(void *cookie, int srcrow, int dstrow, int srccol, int dstcol) |
| 1461 | { |
| 1462 | struct rasops_info *ri; |
| 1463 | u_char *sp, *dp; |
| 1464 | int height; |
| 1465 | int r_srcrow, r_dstrow, r_srccol, r_dstcol; |
| 1466 | |
| 1467 | ri = (struct rasops_info *)cookie; |
| 1468 | |
| 1469 | r_srcrow = ri->ri_cols - srccol - 1; |
| 1470 | r_dstrow = ri->ri_cols - dstcol - 1; |
| 1471 | r_srccol = srcrow; |
| 1472 | r_dstcol = dstrow; |
| 1473 | |
| 1474 | r_srcrow *= ri->ri_yscale; |
| 1475 | r_dstrow *= ri->ri_yscale; |
| 1476 | height = ri->ri_font->fontheight; |
| 1477 | |
| 1478 | sp = ri->ri_bits + r_srcrow + r_srccol * ri->ri_xscale; |
| 1479 | dp = ri->ri_bits + r_dstrow + r_dstcol * ri->ri_xscale; |
| 1480 | |
| 1481 | while (height--) { |
| 1482 | memmove(dp, sp, ri->ri_xscale); |
| 1483 | dp += ri->ri_stride; |
| 1484 | sp += ri->ri_stride; |
| 1485 | } |
| 1486 | } |
| 1487 | |
| 1488 | static void |
| 1489 | rasops_putchar_rotated_ccw(void *cookie, int row, int col, u_int uc, long attr) |
| 1490 | { |
| 1491 | struct rasops_info *ri; |
| 1492 | u_char *rp; |
| 1493 | int height; |
| 1494 | |
| 1495 | ri = (struct rasops_info *)cookie; |
| 1496 | |
| 1497 | if (__predict_false((unsigned int)row > ri->ri_rows || |
| 1498 | (unsigned int)col > ri->ri_cols)) |
| 1499 | return; |
| 1500 | |
| 1501 | /* Avoid underflow */ |
| 1502 | if ((ri->ri_cols - col - 1) < 0) |
| 1503 | return; |
| 1504 | |
| 1505 | /* Do rotated char sans (side)underline */ |
| 1506 | ri->ri_real_ops.putchar(cookie, ri->ri_cols - col - 1, row, uc, |
| 1507 | attr & ~1); |
| 1508 | |
| 1509 | /* Do rotated underline */ |
| 1510 | rp = ri->ri_bits + (ri->ri_cols - col - 1) * ri->ri_yscale + |
| 1511 | row * ri->ri_xscale + |
| 1512 | (ri->ri_font->fontwidth - 1) * ri->ri_pelbytes; |
| 1513 | height = ri->ri_font->fontheight; |
| 1514 | |
| 1515 | /* XXX this assumes 16-bit color depth */ |
| 1516 | if ((attr & 1) != 0) { |
| 1517 | int16_t c = (int16_t)ri->ri_devcmap[((u_int)attr >> 24) & 0xf]; |
| 1518 | |
| 1519 | while (height--) { |
| 1520 | *(int16_t *)rp = c; |
| 1521 | rp += ri->ri_stride; |
| 1522 | } |
| 1523 | } |
| 1524 | } |
| 1525 | |
| 1526 | /* XXX: these could likely be optimised somewhat. */ |
| 1527 | static void |
| 1528 | rasops_copyrows_rotated_ccw(void *cookie, int src, int dst, int num) |
| 1529 | { |
| 1530 | struct rasops_info *ri = (struct rasops_info *)cookie; |
| 1531 | int col, roff; |
| 1532 | |
| 1533 | if (src > dst) |
| 1534 | for (roff = 0; roff < num; roff++) |
| 1535 | for (col = 0; col < ri->ri_cols; col++) |
| 1536 | rasops_copychar_ccw(cookie, |
| 1537 | src + roff, dst + roff, col, col); |
| 1538 | else |
| 1539 | for (roff = num - 1; roff >= 0; roff--) |
| 1540 | for (col = 0; col < ri->ri_cols; col++) |
| 1541 | rasops_copychar_ccw(cookie, |
| 1542 | src + roff, dst + roff, col, col); |
| 1543 | } |
| 1544 | |
| 1545 | static void |
| 1546 | rasops_copycols_rotated_ccw(void *cookie, int row, int src, int dst, int num) |
| 1547 | { |
| 1548 | int coff; |
| 1549 | |
| 1550 | if (src > dst) |
| 1551 | for (coff = 0; coff < num; coff++) |
| 1552 | rasops_copychar_ccw(cookie, row, row, |
| 1553 | src + coff, dst + coff); |
| 1554 | else |
| 1555 | for (coff = num - 1; coff >= 0; coff--) |
| 1556 | rasops_copychar_ccw(cookie, row, row, |
| 1557 | src + coff, dst + coff); |
| 1558 | } |
| 1559 | #endif /* NRASOPS_ROTATION */ |
| 1560 | |
| 1561 | void |
| 1562 | rasops_make_box_chars_16(struct rasops_info *ri) |
| 1563 | { |
| 1564 | uint16_t vert_mask, hmask_left, hmask_right; |
| 1565 | uint16_t *data = (uint16_t *)ri->ri_optfont.data; |
| 1566 | int c, i, mid; |
| 1567 | |
| 1568 | vert_mask = 0xc000 >> ((ri->ri_font->fontwidth >> 1) - 1); |
| 1569 | hmask_left = 0xff00 << (8 - (ri->ri_font->fontwidth >> 1)); |
| 1570 | hmask_right = hmask_left >> ((ri->ri_font->fontwidth + 1)>> 1); |
| 1571 | mid = (ri->ri_font->fontheight + 1) >> 1; |
| 1572 | |
| 1573 | /* 0x00 would be empty anyway so don't bother */ |
| 1574 | for (c = 1; c < 16; c++) { |
| 1575 | data += ri->ri_font->fontheight; |
| 1576 | if (c & 1) { |
| 1577 | /* upper segment */ |
| 1578 | for (i = 0; i < mid; i++) |
| 1579 | data[i] = vert_mask; |
| 1580 | } |
| 1581 | if (c & 4) { |
| 1582 | /* lower segment */ |
| 1583 | for (i = mid; i < ri->ri_font->fontheight; i++) |
| 1584 | data[i] = vert_mask; |
| 1585 | } |
| 1586 | if (c & 2) { |
| 1587 | /* right segment */ |
| 1588 | i = ri->ri_font->fontheight >> 1; |
| 1589 | data[mid - 1] |= hmask_right; |
| 1590 | data[mid] |= hmask_right; |
| 1591 | } |
| 1592 | if (c & 8) { |
| 1593 | /* left segment */ |
| 1594 | data[mid - 1] |= hmask_left; |
| 1595 | data[mid] |= hmask_left; |
| 1596 | } |
| 1597 | } |
| 1598 | } |
| 1599 | |
| 1600 | void |
| 1601 | rasops_make_box_chars_8(struct rasops_info *ri) |
| 1602 | { |
| 1603 | uint8_t vert_mask, hmask_left, hmask_right; |
| 1604 | uint8_t *data = (uint8_t *)ri->ri_optfont.data; |
| 1605 | int c, i, mid; |
| 1606 | |
| 1607 | vert_mask = 0xc0 >> ((ri->ri_font->fontwidth >> 1) - 1); |
| 1608 | hmask_left = 0xf0 << (4 - (ri->ri_font->fontwidth >> 1)); |
| 1609 | hmask_right = hmask_left >> ((ri->ri_font->fontwidth + 1)>> 1); |
| 1610 | mid = (ri->ri_font->fontheight + 1) >> 1; |
| 1611 | |
| 1612 | /* 0x00 would be empty anyway so don't bother */ |
| 1613 | for (c = 1; c < 16; c++) { |
| 1614 | data += ri->ri_font->fontheight; |
| 1615 | if (c & 1) { |
| 1616 | /* upper segment */ |
| 1617 | for (i = 0; i < mid; i++) |
| 1618 | data[i] = vert_mask; |
| 1619 | } |
| 1620 | if (c & 4) { |
| 1621 | /* lower segment */ |
| 1622 | for (i = mid; i < ri->ri_font->fontheight; i++) |
| 1623 | data[i] = vert_mask; |
| 1624 | } |
| 1625 | if (c & 2) { |
| 1626 | /* right segment */ |
| 1627 | i = ri->ri_font->fontheight >> 1; |
| 1628 | data[mid - 1] |= hmask_right; |
| 1629 | data[mid] |= hmask_right; |
| 1630 | } |
| 1631 | if (c & 8) { |
| 1632 | /* left segment */ |
| 1633 | data[mid - 1] |= hmask_left; |
| 1634 | data[mid] |= hmask_left; |
| 1635 | } |
| 1636 | } |
| 1637 | } |
| 1638 | |
| 1639 | void |
| 1640 | rasops_make_box_chars_32(struct rasops_info *ri) |
| 1641 | { |
| 1642 | uint32_t vert_mask, hmask_left, hmask_right; |
| 1643 | uint32_t *data = (uint32_t *)ri->ri_optfont.data; |
| 1644 | int c, i, mid; |
| 1645 | |
| 1646 | vert_mask = 0xc0000000 >> ((ri->ri_font->fontwidth >> 1) - 1); |
| 1647 | hmask_left = 0xffff0000 << (16 - (ri->ri_font->fontwidth >> 1)); |
| 1648 | hmask_right = hmask_left >> ((ri->ri_font->fontwidth + 1)>> 1); |
| 1649 | mid = (ri->ri_font->fontheight + 1) >> 1; |
| 1650 | |
| 1651 | /* 0x00 would be empty anyway so don't bother */ |
| 1652 | for (c = 1; c < 16; c++) { |
| 1653 | data += ri->ri_font->fontheight; |
| 1654 | if (c & 1) { |
| 1655 | /* upper segment */ |
| 1656 | for (i = 0; i < mid; i++) |
| 1657 | data[i] = vert_mask; |
| 1658 | } |
| 1659 | if (c & 4) { |
| 1660 | /* lower segment */ |
| 1661 | for (i = mid; i < ri->ri_font->fontheight; i++) |
| 1662 | data[i] = vert_mask; |
| 1663 | } |
| 1664 | if (c & 2) { |
| 1665 | /* right segment */ |
| 1666 | i = ri->ri_font->fontheight >> 1; |
| 1667 | data[mid - 1] |= hmask_right; |
| 1668 | data[mid] |= hmask_right; |
| 1669 | } |
| 1670 | if (c & 8) { |
| 1671 | /* left segment */ |
| 1672 | data[mid - 1] |= hmask_left; |
| 1673 | data[mid] |= hmask_left; |
| 1674 | } |
| 1675 | } |
| 1676 | } |
| 1677 | |
| 1678 | void |
| 1679 | rasops_make_box_chars_alpha(struct rasops_info *ri) |
| 1680 | { |
| 1681 | uint8_t *data = (uint8_t *)ri->ri_optfont.data; |
| 1682 | uint8_t *ddata; |
| 1683 | int c, i, hmid, vmid, wi, he; |
| 1684 | |
| 1685 | wi = ri->ri_font->fontwidth; |
| 1686 | he = ri->ri_font->fontheight; |
| 1687 | |
| 1688 | vmid = (he + 1) >> 1; |
| 1689 | hmid = (wi + 1) >> 1; |
| 1690 | |
| 1691 | /* 0x00 would be empty anyway so don't bother */ |
| 1692 | for (c = 1; c < 16; c++) { |
| 1693 | data += ri->ri_fontscale; |
| 1694 | if (c & 1) { |
| 1695 | /* upper segment */ |
| 1696 | ddata = data + hmid; |
| 1697 | for (i = 0; i <= vmid; i++) { |
| 1698 | *ddata = 0xff; |
| 1699 | ddata += wi; |
| 1700 | } |
| 1701 | } |
| 1702 | if (c & 4) { |
| 1703 | /* lower segment */ |
| 1704 | ddata = data + wi * vmid + hmid; |
| 1705 | for (i = vmid; i < he; i++) { |
| 1706 | *ddata = 0xff; |
| 1707 | ddata += wi; |
| 1708 | } |
| 1709 | } |
| 1710 | if (c & 2) { |
| 1711 | /* right segment */ |
| 1712 | ddata = data + wi * vmid + hmid; |
| 1713 | for (i = hmid; i < wi; i++) { |
| 1714 | *ddata = 0xff; |
| 1715 | ddata++; |
| 1716 | } |
| 1717 | } |
| 1718 | if (c & 8) { |
| 1719 | /* left segment */ |
| 1720 | ddata = data + wi * vmid; |
| 1721 | for (i = 0; i <= hmid; i++) { |
| 1722 | *ddata = 0xff; |
| 1723 | ddata++; |
| 1724 | } |
| 1725 | } |
| 1726 | } |
| 1727 | } |
| 1728 | |
| 1729 | /* |
| 1730 | * Return a colour map appropriate for the given struct rasops_info in the |
| 1731 | * same form used by rasops_cmap[] |
| 1732 | * For now this is either a copy of rasops_cmap[] or an R3G3B2 map, it should |
| 1733 | * probably be a linear ( or gamma corrected? ) ramp for higher depths. |
| 1734 | */ |
| 1735 | |
| 1736 | int |
| 1737 | rasops_get_cmap(struct rasops_info *ri, uint8_t *palette, size_t bytes) |
| 1738 | { |
| 1739 | if ((ri->ri_depth == 8 ) && ((ri->ri_flg & RI_8BIT_IS_RGB) > 0)) { |
| 1740 | /* generate an R3G3B2 palette */ |
| 1741 | int i, idx = 0; |
| 1742 | uint8_t tmp; |
| 1743 | |
| 1744 | if (bytes < 768) |
| 1745 | return EINVAL; |
| 1746 | for (i = 0; i < 256; i++) { |
| 1747 | tmp = i & 0xe0; |
| 1748 | /* |
| 1749 | * replicate bits so 0xe0 maps to a red value of 0xff |
| 1750 | * in order to make white look actually white |
| 1751 | */ |
| 1752 | tmp |= (tmp >> 3) | (tmp >> 6); |
| 1753 | palette[idx] = tmp; |
| 1754 | idx++; |
| 1755 | |
| 1756 | tmp = (i & 0x1c) << 3; |
| 1757 | tmp |= (tmp >> 3) | (tmp >> 6); |
| 1758 | palette[idx] = tmp; |
| 1759 | idx++; |
| 1760 | |
| 1761 | tmp = (i & 0x03) << 6; |
| 1762 | tmp |= tmp >> 2; |
| 1763 | tmp |= tmp >> 4; |
| 1764 | palette[idx] = tmp; |
| 1765 | idx++; |
| 1766 | } |
| 1767 | } else { |
| 1768 | memcpy(palette, rasops_cmap, MIN(bytes, sizeof(rasops_cmap))); |
| 1769 | } |
| 1770 | return 0; |
| 1771 | } |
| 1772 | |