rasops2.c revision 1.8 1 1.8 lukem /* $NetBSD: rasops2.c,v 1.8 2001/11/13 07:00:23 lukem Exp $ */
2 1.1 ad
3 1.2 ad /*-
4 1.2 ad * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 1.1 ad * All rights reserved.
6 1.1 ad *
7 1.2 ad * This code is derived from software contributed to The NetBSD Foundation
8 1.6 ad * by Andrew Doran.
9 1.2 ad *
10 1.1 ad * Redistribution and use in source and binary forms, with or without
11 1.1 ad * modification, are permitted provided that the following conditions
12 1.1 ad * are met:
13 1.1 ad * 1. Redistributions of source code must retain the above copyright
14 1.1 ad * notice, this list of conditions and the following disclaimer.
15 1.1 ad * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 ad * notice, this list of conditions and the following disclaimer in the
17 1.1 ad * documentation and/or other materials provided with the distribution.
18 1.2 ad * 3. All advertising materials mentioning features or use of this software
19 1.2 ad * must display the following acknowledgement:
20 1.2 ad * This product includes software developed by the NetBSD
21 1.2 ad * Foundation, Inc. and its contributors.
22 1.2 ad * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.2 ad * contributors may be used to endorse or promote products derived
24 1.2 ad * from this software without specific prior written permission.
25 1.1 ad *
26 1.2 ad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.2 ad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.2 ad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.2 ad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.2 ad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.2 ad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.2 ad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.2 ad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.2 ad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.2 ad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.2 ad * POSSIBILITY OF SUCH DAMAGE.
37 1.1 ad */
38 1.1 ad
39 1.8 lukem #include <sys/cdefs.h>
40 1.8 lukem __KERNEL_RCSID(0, "$NetBSD: rasops2.c,v 1.8 2001/11/13 07:00:23 lukem Exp $");
41 1.8 lukem
42 1.1 ad #include "opt_rasops.h"
43 1.1 ad
44 1.1 ad #include <sys/types.h>
45 1.1 ad #include <sys/param.h>
46 1.1 ad #include <sys/systm.h>
47 1.1 ad #include <sys/time.h>
48 1.1 ad #include <machine/endian.h>
49 1.1 ad
50 1.1 ad #include <dev/wscons/wsdisplayvar.h>
51 1.1 ad #include <dev/wscons/wsconsio.h>
52 1.1 ad #include <dev/rasops/rasops.h>
53 1.1 ad #include <dev/rasops/rasops_masks.h>
54 1.1 ad
55 1.4 ad static void rasops2_copycols __P((void *, int, int, int, int));
56 1.4 ad static void rasops2_erasecols __P((void *, int, int, int, long));
57 1.4 ad static void rasops2_do_cursor __P((struct rasops_info *));
58 1.1 ad static void rasops2_putchar __P((void *, int, int col, u_int, long));
59 1.4 ad #ifndef RASOPS_SMALL
60 1.1 ad static void rasops2_putchar8 __P((void *, int, int col, u_int, long));
61 1.1 ad static void rasops2_putchar12 __P((void *, int, int col, u_int, long));
62 1.1 ad static void rasops2_putchar16 __P((void *, int, int col, u_int, long));
63 1.1 ad static void rasops2_makestamp __P((struct rasops_info *, long));
64 1.1 ad
65 1.5 pk /*
66 1.5 pk * 4x1 stamp for optimized character blitting
67 1.1 ad */
68 1.1 ad static int8_t stamp[16];
69 1.1 ad static long stamp_attr;
70 1.1 ad static int stamp_mutex; /* XXX see note in README */
71 1.7 bjh21 #endif
72 1.1 ad
73 1.1 ad /*
74 1.1 ad * Initialize rasops_info struct for this colordepth.
75 1.1 ad */
76 1.1 ad void
77 1.1 ad rasops2_init(ri)
78 1.1 ad struct rasops_info *ri;
79 1.1 ad {
80 1.1 ad
81 1.1 ad switch (ri->ri_font->fontwidth) {
82 1.4 ad #ifndef RASOPS_SMALL
83 1.1 ad case 8:
84 1.1 ad ri->ri_ops.putchar = rasops2_putchar8;
85 1.1 ad break;
86 1.1 ad case 12:
87 1.1 ad ri->ri_ops.putchar = rasops2_putchar12;
88 1.1 ad break;
89 1.1 ad case 16:
90 1.1 ad ri->ri_ops.putchar = rasops2_putchar16;
91 1.1 ad break;
92 1.4 ad #endif /* !RASOPS_SMALL */
93 1.1 ad default:
94 1.4 ad panic("fontwidth not 8/12/16 or RASOPS_SMALL - fixme!");
95 1.1 ad ri->ri_ops.putchar = rasops2_putchar;
96 1.1 ad break;
97 1.1 ad }
98 1.5 pk
99 1.3 ad if ((ri->ri_font->fontwidth & 3) != 0) {
100 1.1 ad ri->ri_ops.erasecols = rasops2_erasecols;
101 1.1 ad ri->ri_ops.copycols = rasops2_copycols;
102 1.1 ad ri->ri_do_cursor = rasops2_do_cursor;
103 1.1 ad }
104 1.1 ad }
105 1.1 ad
106 1.4 ad #ifdef notyet
107 1.1 ad /*
108 1.1 ad * Paint a single character. This is the generic version, this is ugly.
109 1.1 ad */
110 1.1 ad static void
111 1.1 ad rasops2_putchar(cookie, row, col, uc, attr)
112 1.1 ad void *cookie;
113 1.1 ad int row, col;
114 1.1 ad u_int uc;
115 1.1 ad long attr;
116 1.1 ad {
117 1.1 ad int height, width, fs, rs, fb, bg, fg, lmask, rmask;
118 1.1 ad struct rasops_info *ri;
119 1.1 ad int32_t *rp;
120 1.1 ad u_char *fr;
121 1.5 pk
122 1.1 ad ri = (struct rasops_info *)cookie;
123 1.1 ad
124 1.5 pk #ifdef RASOPS_CLIPPING
125 1.5 pk /* Catches 'row < 0' case too */
126 1.1 ad if ((unsigned)row >= (unsigned)ri->ri_rows)
127 1.1 ad return;
128 1.1 ad
129 1.1 ad if ((unsigned)col >= (unsigned)ri->ri_cols)
130 1.1 ad return;
131 1.1 ad #endif
132 1.1 ad
133 1.1 ad width = ri->ri_font->fontwidth << 1;
134 1.1 ad height = ri->ri_font->fontheight;
135 1.1 ad col *= width;
136 1.1 ad rp = (int32_t *)(ri->ri_bits + row * ri->ri_yscale + ((col >> 3) & ~3));
137 1.1 ad col = col & 31;
138 1.1 ad rs = ri->ri_stride;
139 1.5 pk
140 1.5 pk bg = ri->ri_devcmap[(attr >> 16) & 0xf];
141 1.5 pk fg = ri->ri_devcmap[(attr >> 24) & 0xf];
142 1.1 ad
143 1.1 ad /* If fg and bg match this becomes a space character */
144 1.1 ad if (fg == bg || uc == ' ') {
145 1.1 ad uc = (u_int)-1;
146 1.1 ad fr = 0; /* shutup gcc */
147 1.1 ad fs = 0; /* shutup gcc */
148 1.1 ad } else {
149 1.1 ad uc -= ri->ri_font->firstchar;
150 1.1 ad fr = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale;
151 1.1 ad fs = ri->ri_font->stride;
152 1.1 ad }
153 1.5 pk
154 1.1 ad /* Single word, one mask */
155 1.1 ad if ((col + width) <= 32) {
156 1.1 ad rmask = rasops_pmask[col][width];
157 1.1 ad lmask = ~rmask;
158 1.5 pk
159 1.1 ad if (uc == (u_int)-1) {
160 1.1 ad bg &= rmask;
161 1.5 pk
162 1.1 ad while (height--) {
163 1.1 ad *rp = (*rp & lmask) | bg;
164 1.1 ad DELTA(rp, rs, int32_t *);
165 1.1 ad }
166 1.1 ad } else {
167 1.1 ad while (height--) {
168 1.1 ad /* get bits, mask */
169 1.1 ad /* compose sl */
170 1.1 ad /* mask sl */
171 1.1 ad /* put word */
172 1.1 ad }
173 1.1 ad }
174 1.5 pk
175 1.1 ad /* Do underline */
176 1.1 ad if (attr & 1) {
177 1.1 ad DELTA(rp, -(ri->ri_stride << 1), int32_t *);
178 1.1 ad *rp = (*rp & lmask) | (fg & rmask);
179 1.1 ad }
180 1.1 ad } else {
181 1.1 ad lmask = ~rasops_lmask[col];
182 1.1 ad rmask = ~rasops_rmask[(col + width) & 31];
183 1.5 pk
184 1.1 ad if (uc == (u_int)-1) {
185 1.1 ad bg = bg & ~lmask;
186 1.1 ad width = bg & ~rmask;
187 1.5 pk
188 1.1 ad while (height--) {
189 1.1 ad rp[0] = (rp[0] & lmask) | bg;
190 1.1 ad rp[1] = (rp[1] & rmask) | width;
191 1.1 ad DELTA(rp, rs, int32_t *);
192 1.1 ad }
193 1.1 ad } else {
194 1.1 ad width = 32 - col;
195 1.5 pk
196 1.1 ad /* NOT fontbits if bg is white */
197 1.1 ad while (height--) {
198 1.5 pk fb = ~(fr[3] | (fr[2] << 8) |
199 1.1 ad (fr[1] << 16) | (fr[0] << 24));
200 1.5 pk
201 1.1 ad rp[0] = (rp[0] & lmask)
202 1.1 ad | MBE((u_int)fb >> col);
203 1.1 ad
204 1.1 ad rp[1] = (rp[1] & rmask)
205 1.1 ad | (MBE((u_int)fb << width) & ~rmask);
206 1.1 ad
207 1.1 ad fr += fs;
208 1.1 ad DELTA(rp, rs, int32_t *);
209 1.1 ad }
210 1.1 ad }
211 1.1 ad
212 1.1 ad /* Do underline */
213 1.1 ad if (attr & 1) {
214 1.1 ad DELTA(rp, -(ri->ri_stride << 1), int32_t *);
215 1.1 ad rp[0] = (rp[0] & lmask) | (fg & ~lmask);
216 1.1 ad rp[1] = (rp[1] & rmask) | (fg & ~rmask);
217 1.1 ad }
218 1.1 ad }
219 1.1 ad }
220 1.1 ad #endif
221 1.1 ad
222 1.1 ad /*
223 1.1 ad * Put a single character. This is the generic version.
224 1.1 ad */
225 1.1 ad static void
226 1.1 ad rasops2_putchar(cookie, row, col, uc, attr)
227 1.1 ad void *cookie;
228 1.1 ad int row, col;
229 1.1 ad u_int uc;
230 1.1 ad long attr;
231 1.1 ad {
232 1.1 ad
233 1.1 ad /* XXX punt */
234 1.1 ad }
235 1.1 ad
236 1.4 ad #ifndef RASOPS_SMALL
237 1.4 ad /*
238 1.4 ad * Recompute the blitting stamp.
239 1.4 ad */
240 1.4 ad static void
241 1.4 ad rasops2_makestamp(ri, attr)
242 1.4 ad struct rasops_info *ri;
243 1.4 ad long attr;
244 1.4 ad {
245 1.4 ad int i, fg, bg;
246 1.5 pk
247 1.5 pk fg = ri->ri_devcmap[(attr >> 24) & 0xf] & 3;
248 1.5 pk bg = ri->ri_devcmap[(attr >> 16) & 0xf] & 3;
249 1.4 ad stamp_attr = attr;
250 1.5 pk
251 1.4 ad for (i = 0; i < 16; i++) {
252 1.4 ad stamp[i] = (i & 1 ? fg : bg);
253 1.4 ad stamp[i] |= (i & 2 ? fg : bg) << 2;
254 1.4 ad stamp[i] |= (i & 4 ? fg : bg) << 4;
255 1.4 ad stamp[i] |= (i & 8 ? fg : bg) << 6;
256 1.4 ad }
257 1.4 ad }
258 1.1 ad
259 1.1 ad /*
260 1.1 ad * Put a single character. This is for 8-pixel wide fonts.
261 1.1 ad */
262 1.1 ad static void
263 1.1 ad rasops2_putchar8(cookie, row, col, uc, attr)
264 1.1 ad void *cookie;
265 1.1 ad int row, col;
266 1.1 ad u_int uc;
267 1.1 ad long attr;
268 1.1 ad {
269 1.1 ad struct rasops_info *ri;
270 1.1 ad int height, fs, rs;
271 1.1 ad u_char *fr, *rp;
272 1.5 pk
273 1.1 ad /* Can't risk remaking the stamp if it's already in use */
274 1.1 ad if (stamp_mutex++) {
275 1.1 ad stamp_mutex--;
276 1.1 ad rasops2_putchar(cookie, row, col, uc, attr);
277 1.1 ad return;
278 1.1 ad }
279 1.1 ad
280 1.1 ad ri = (struct rasops_info *)cookie;
281 1.1 ad
282 1.5 pk #ifdef RASOPS_CLIPPING
283 1.5 pk /* Catches 'row < 0' case too */
284 1.1 ad if ((unsigned)row >= (unsigned)ri->ri_rows) {
285 1.1 ad stamp_mutex--;
286 1.1 ad return;
287 1.1 ad }
288 1.1 ad
289 1.1 ad if ((unsigned)col >= (unsigned)ri->ri_cols) {
290 1.1 ad stamp_mutex--;
291 1.1 ad return;
292 1.1 ad }
293 1.1 ad #endif
294 1.1 ad
295 1.1 ad rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale;
296 1.1 ad height = ri->ri_font->fontheight;
297 1.1 ad rs = ri->ri_stride;
298 1.5 pk
299 1.1 ad /* Recompute stamp? */
300 1.1 ad if (attr != stamp_attr)
301 1.1 ad rasops2_makestamp(ri, attr);
302 1.5 pk
303 1.1 ad if (uc == ' ') {
304 1.5 pk int8_t c = stamp[0];
305 1.1 ad while (height--) {
306 1.5 pk *(int16_t *)rp = c;
307 1.1 ad rp += rs;
308 1.1 ad }
309 1.1 ad } else {
310 1.1 ad uc -= ri->ri_font->firstchar;
311 1.1 ad fr = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale;
312 1.1 ad fs = ri->ri_font->stride;
313 1.5 pk
314 1.1 ad while (height--) {
315 1.5 pk rp[0] = stamp[(*fr >> 4) & 0xf];
316 1.5 pk rp[1] = stamp[*fr & 0xf];
317 1.1 ad fr += fs;
318 1.1 ad rp += rs;
319 1.1 ad }
320 1.1 ad }
321 1.1 ad
322 1.1 ad /* Do underline */
323 1.4 ad if ((attr & 1) != 0)
324 1.1 ad *(int16_t *)(rp - (ri->ri_stride << 1)) = stamp[15];
325 1.5 pk
326 1.1 ad stamp_mutex--;
327 1.1 ad }
328 1.1 ad
329 1.1 ad /*
330 1.1 ad * Put a single character. This is for 12-pixel wide fonts.
331 1.1 ad */
332 1.1 ad static void
333 1.1 ad rasops2_putchar12(cookie, row, col, uc, attr)
334 1.1 ad void *cookie;
335 1.1 ad int row, col;
336 1.1 ad u_int uc;
337 1.1 ad long attr;
338 1.1 ad {
339 1.1 ad struct rasops_info *ri;
340 1.1 ad int height, fs, rs;
341 1.1 ad u_char *fr, *rp;
342 1.5 pk
343 1.1 ad /* Can't risk remaking the stamp if it's already in use */
344 1.1 ad if (stamp_mutex++) {
345 1.1 ad stamp_mutex--;
346 1.1 ad rasops2_putchar(cookie, row, col, uc, attr);
347 1.1 ad return;
348 1.1 ad }
349 1.1 ad
350 1.1 ad ri = (struct rasops_info *)cookie;
351 1.1 ad
352 1.5 pk #ifdef RASOPS_CLIPPING
353 1.5 pk /* Catches 'row < 0' case too */
354 1.1 ad if ((unsigned)row >= (unsigned)ri->ri_rows) {
355 1.1 ad stamp_mutex--;
356 1.1 ad return;
357 1.1 ad }
358 1.1 ad
359 1.1 ad if ((unsigned)col >= (unsigned)ri->ri_cols) {
360 1.1 ad stamp_mutex--;
361 1.1 ad return;
362 1.1 ad }
363 1.1 ad #endif
364 1.1 ad
365 1.1 ad rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale;
366 1.1 ad height = ri->ri_font->fontheight;
367 1.1 ad rs = ri->ri_stride;
368 1.5 pk
369 1.1 ad /* Recompute stamp? */
370 1.1 ad if (attr != stamp_attr)
371 1.1 ad rasops2_makestamp(ri, attr);
372 1.5 pk
373 1.1 ad if (uc == ' ') {
374 1.5 pk int8_t c = stamp[0];
375 1.1 ad while (height--) {
376 1.5 pk rp[0] = rp[1] = rp[2] = c;
377 1.1 ad rp += rs;
378 1.1 ad }
379 1.1 ad } else {
380 1.1 ad uc -= ri->ri_font->firstchar;
381 1.1 ad fr = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale;
382 1.1 ad fs = ri->ri_font->stride;
383 1.5 pk
384 1.1 ad while (height--) {
385 1.5 pk rp[0] = stamp[(fr[0] >> 4) & 0xf];
386 1.5 pk rp[1] = stamp[fr[0] & 0xf];
387 1.5 pk rp[2] = stamp[(fr[1] >> 4) & 0xf];
388 1.1 ad fr += fs;
389 1.1 ad rp += rs;
390 1.1 ad }
391 1.1 ad }
392 1.1 ad
393 1.1 ad /* Do underline */
394 1.4 ad if ((attr & 1) != 0) {
395 1.1 ad rp -= ri->ri_stride << 1;
396 1.5 pk rp[0] = rp[1] = rp[2] = stamp[15];
397 1.1 ad }
398 1.5 pk
399 1.1 ad stamp_mutex--;
400 1.1 ad }
401 1.1 ad
402 1.1 ad /*
403 1.1 ad * Put a single character. This is for 16-pixel wide fonts.
404 1.1 ad */
405 1.1 ad static void
406 1.1 ad rasops2_putchar16(cookie, row, col, uc, attr)
407 1.1 ad void *cookie;
408 1.1 ad int row, col;
409 1.1 ad u_int uc;
410 1.1 ad long attr;
411 1.1 ad {
412 1.1 ad struct rasops_info *ri;
413 1.1 ad int height, fs, rs;
414 1.1 ad u_char *fr, *rp;
415 1.5 pk
416 1.1 ad /* Can't risk remaking the stamp if it's already in use */
417 1.1 ad if (stamp_mutex++) {
418 1.1 ad stamp_mutex--;
419 1.1 ad rasops2_putchar(cookie, row, col, uc, attr);
420 1.1 ad return;
421 1.1 ad }
422 1.1 ad
423 1.1 ad ri = (struct rasops_info *)cookie;
424 1.1 ad
425 1.5 pk #ifdef RASOPS_CLIPPING
426 1.5 pk /* Catches 'row < 0' case too */
427 1.1 ad if ((unsigned)row >= (unsigned)ri->ri_rows) {
428 1.1 ad stamp_mutex--;
429 1.1 ad return;
430 1.1 ad }
431 1.1 ad
432 1.1 ad if ((unsigned)col >= (unsigned)ri->ri_cols) {
433 1.1 ad stamp_mutex--;
434 1.1 ad return;
435 1.1 ad }
436 1.1 ad #endif
437 1.1 ad
438 1.1 ad rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale;
439 1.1 ad height = ri->ri_font->fontheight;
440 1.1 ad rs = ri->ri_stride;
441 1.5 pk
442 1.1 ad /* Recompute stamp? */
443 1.1 ad if (attr != stamp_attr)
444 1.1 ad rasops2_makestamp(ri, attr);
445 1.5 pk
446 1.1 ad if (uc == ' ') {
447 1.5 pk int8_t c = stamp[0];
448 1.1 ad while (height--) {
449 1.5 pk *(int32_t *)rp = c;
450 1.1 ad rp += rs;
451 1.1 ad }
452 1.1 ad } else {
453 1.1 ad uc -= ri->ri_font->firstchar;
454 1.1 ad fr = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale;
455 1.1 ad fs = ri->ri_font->stride;
456 1.5 pk
457 1.1 ad while (height--) {
458 1.5 pk rp[0] = stamp[(fr[0] >> 4) & 0xf];
459 1.5 pk rp[1] = stamp[fr[0] & 0xf];
460 1.5 pk rp[2] = stamp[(fr[1] >> 4) & 0xf];
461 1.5 pk rp[3] = stamp[fr[1] & 0xf];
462 1.1 ad fr += fs;
463 1.1 ad rp += rs;
464 1.1 ad }
465 1.1 ad }
466 1.1 ad
467 1.1 ad /* Do underline */
468 1.4 ad if ((attr & 1) != 0)
469 1.1 ad *(int32_t *)(rp - (ri->ri_stride << 1)) = stamp[15];
470 1.5 pk
471 1.1 ad stamp_mutex--;
472 1.1 ad }
473 1.4 ad #endif /* !RASOPS_SMALL */
474 1.1 ad
475 1.1 ad /*
476 1.1 ad * Grab routines common to depths where (bpp < 8)
477 1.1 ad */
478 1.1 ad #define NAME(ident) rasops2_##ident
479 1.1 ad #define PIXEL_SHIFT 1
480 1.1 ad
481 1.1 ad #include <dev/rasops/rasops_bitops.h>
482