1 | /* $NetBSD: rasops1.c,v 1.23 2010/05/04 04:57:34 macallan 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: rasops1.c,v 1.23 2010/05/04 04:57:34 macallan Exp $" ); |
34 | |
35 | #include "opt_rasops.h" |
36 | |
37 | #include <sys/param.h> |
38 | #include <sys/systm.h> |
39 | #include <sys/time.h> |
40 | #include <machine/endian.h> |
41 | |
42 | #include <dev/wscons/wsdisplayvar.h> |
43 | #include <dev/wscons/wsconsio.h> |
44 | #include <dev/rasops/rasops.h> |
45 | #include <dev/rasops/rasops_masks.h> |
46 | |
47 | static void rasops1_copycols(void *, int, int, int, int); |
48 | static void rasops1_erasecols(void *, int, int, int, long); |
49 | static void rasops1_do_cursor(struct rasops_info *); |
50 | static void rasops1_putchar(void *, int, int col, u_int, long); |
51 | #ifndef RASOPS_SMALL |
52 | static void rasops1_putchar8(void *, int, int col, u_int, long); |
53 | static void rasops1_putchar16(void *, int, int col, u_int, long); |
54 | #endif |
55 | |
56 | /* |
57 | * Initialize rasops_info struct for this colordepth. |
58 | */ |
59 | void |
60 | rasops1_init(struct rasops_info *ri) |
61 | { |
62 | |
63 | switch (ri->ri_font->fontwidth) { |
64 | #ifndef RASOPS_SMALL |
65 | case 8: |
66 | ri->ri_ops.putchar = rasops1_putchar8; |
67 | break; |
68 | case 16: |
69 | ri->ri_ops.putchar = rasops1_putchar16; |
70 | break; |
71 | #endif |
72 | default: |
73 | ri->ri_ops.putchar = rasops1_putchar; |
74 | break; |
75 | } |
76 | |
77 | if ((ri->ri_font->fontwidth & 7) != 0) { |
78 | ri->ri_ops.erasecols = rasops1_erasecols; |
79 | ri->ri_ops.copycols = rasops1_copycols; |
80 | ri->ri_do_cursor = rasops1_do_cursor; |
81 | } |
82 | } |
83 | |
84 | /* |
85 | * Paint a single character. This is the generic version, this is ugly. |
86 | */ |
87 | static void |
88 | rasops1_putchar(void *cookie, int row, int col, u_int uc, long attr) |
89 | { |
90 | u_int fs, rs, fb, bg, fg, lmask, rmask; |
91 | u_int32_t height, width; |
92 | struct rasops_info *ri = (struct rasops_info *)cookie; |
93 | struct wsdisplay_font *font = PICK_FONT(ri, uc); |
94 | int32_t *rp, *hrp = NULL, tmp, tmp2; |
95 | u_char *fr; |
96 | |
97 | #ifdef RASOPS_CLIPPING |
98 | /* Catches 'row < 0' case too */ |
99 | if ((unsigned)row >= (unsigned)ri->ri_rows) |
100 | return; |
101 | |
102 | if ((unsigned)col >= (unsigned)ri->ri_cols) |
103 | return; |
104 | #endif |
105 | |
106 | col *= ri->ri_font->fontwidth; |
107 | rp = (int32_t *)(ri->ri_bits + row * ri->ri_yscale + ((col >> 3) & ~3)); |
108 | if (ri->ri_hwbits) |
109 | hrp = (int32_t *)(ri->ri_hwbits + row * ri->ri_yscale + |
110 | ((col >> 3) & ~3)); |
111 | height = font->fontheight; |
112 | width = font->fontwidth; |
113 | col = col & 31; |
114 | rs = ri->ri_stride; |
115 | |
116 | bg = (attr & 0x000f0000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0]; |
117 | fg = (attr & 0x0f000000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0]; |
118 | |
119 | /* If fg and bg match this becomes a space character */ |
120 | if (fg == bg || uc == ' ') { |
121 | uc = (u_int)-1; |
122 | fr = 0; /* shutup gcc */ |
123 | fs = 0; /* shutup gcc */ |
124 | } else { |
125 | uc -= font->firstchar; |
126 | fr = (u_char *)font->data + uc * ri->ri_fontscale; |
127 | fs = font->stride; |
128 | } |
129 | |
130 | /* Single word, one mask */ |
131 | if ((col + width) <= 32) { |
132 | rmask = rasops_pmask[col][width]; |
133 | lmask = ~rmask; |
134 | |
135 | if (uc == (u_int)-1) { |
136 | bg &= rmask; |
137 | |
138 | while (height--) { |
139 | tmp = (*rp & lmask) | bg; |
140 | *rp = tmp; |
141 | DELTA(rp, rs, int32_t *); |
142 | if (ri->ri_hwbits) { |
143 | *hrp = tmp; |
144 | DELTA(hrp, rs, int32_t *); |
145 | } |
146 | } |
147 | } else { |
148 | /* NOT fontbits if bg is white */ |
149 | if (bg) { |
150 | while (height--) { |
151 | fb = ~(fr[3] | (fr[2] << 8) | |
152 | (fr[1] << 16) | (fr[0] << 24)); |
153 | tmp = (*rp & lmask) |
154 | | (MBE(fb >> col) & rmask); |
155 | *rp = tmp; |
156 | |
157 | fr += fs; |
158 | DELTA(rp, rs, int32_t *); |
159 | if (ri->ri_hwbits) { |
160 | *hrp = tmp; |
161 | DELTA(hrp, rs, int32_t *); |
162 | } |
163 | } |
164 | } else { |
165 | while (height--) { |
166 | fb = (fr[3] | (fr[2] << 8) | |
167 | (fr[1] << 16) | (fr[0] << 24)); |
168 | tmp = (*rp & lmask) |
169 | | (MBE(fb >> col) & rmask); |
170 | *rp = tmp; |
171 | |
172 | fr += fs; |
173 | DELTA(rp, rs, int32_t *); |
174 | if (ri->ri_hwbits) { |
175 | *hrp = tmp; |
176 | DELTA(hrp, rs, int32_t *); |
177 | } |
178 | } |
179 | } |
180 | } |
181 | |
182 | /* Do underline */ |
183 | if ((attr & 1) != 0) { |
184 | DELTA(rp, -(ri->ri_stride << 1), int32_t *); |
185 | tmp = (*rp & lmask) | (fg & rmask); |
186 | *rp = tmp; |
187 | if (ri->ri_hwbits) { |
188 | DELTA(hrp, -(ri->ri_stride << 1), int32_t *); |
189 | *hrp = tmp; |
190 | } |
191 | } |
192 | } else { |
193 | lmask = ~rasops_lmask[col]; |
194 | rmask = ~rasops_rmask[(col + width) & 31]; |
195 | |
196 | if (uc == (u_int)-1) { |
197 | width = bg & ~rmask; |
198 | bg = bg & ~lmask; |
199 | |
200 | while (height--) { |
201 | tmp = (rp[0] & lmask) | bg; |
202 | tmp2 = (rp[1] & rmask) | width; |
203 | rp[0] = tmp; |
204 | rp[1] = tmp2; |
205 | DELTA(rp, rs, int32_t *); |
206 | if (ri->ri_hwbits) { |
207 | hrp[0] = tmp; |
208 | hrp[1] = tmp2; |
209 | DELTA(hrp, rs, int32_t *); |
210 | } |
211 | } |
212 | } else { |
213 | width = 32 - col; |
214 | |
215 | /* NOT fontbits if bg is white */ |
216 | if (bg) { |
217 | while (height--) { |
218 | fb = ~(fr[3] | (fr[2] << 8) | |
219 | (fr[1] << 16) | (fr[0] << 24)); |
220 | |
221 | tmp = (rp[0] & lmask) |
222 | | MBE((u_int)fb >> col); |
223 | |
224 | tmp2 = (rp[1] & rmask) |
225 | | (MBE((u_int)fb << width) & ~rmask); |
226 | rp[0] = tmp; |
227 | rp[1] = tmp2; |
228 | fr += fs; |
229 | DELTA(rp, rs, int32_t *); |
230 | if (ri->ri_hwbits) { |
231 | hrp[0] = tmp; |
232 | hrp[1] = tmp2; |
233 | DELTA(hrp, rs, int32_t *); |
234 | } |
235 | } |
236 | } else { |
237 | while (height--) { |
238 | fb = (fr[3] | (fr[2] << 8) | |
239 | (fr[1] << 16) | (fr[0] << 24)); |
240 | |
241 | tmp = (rp[0] & lmask) |
242 | | MBE(fb >> col); |
243 | |
244 | tmp2 = (rp[1] & rmask) |
245 | | (MBE(fb << width) & ~rmask); |
246 | rp[0] = tmp; |
247 | rp[1] = tmp2; |
248 | fr += fs; |
249 | DELTA(rp, rs, int32_t *); |
250 | if (ri->ri_hwbits) { |
251 | hrp[0] = tmp; |
252 | hrp[1] = tmp2; |
253 | DELTA(hrp, rs, int32_t *); |
254 | } |
255 | } |
256 | } |
257 | } |
258 | |
259 | /* Do underline */ |
260 | if ((attr & 1) != 0) { |
261 | DELTA(rp, -(ri->ri_stride << 1), int32_t *); |
262 | tmp = (rp[0] & lmask) | (fg & ~lmask); |
263 | tmp2 = (rp[1] & rmask) | (fg & ~rmask); |
264 | rp[0] = tmp; |
265 | rp[1] = tmp2; |
266 | if (ri->ri_hwbits) { |
267 | DELTA(hrp, -(ri->ri_stride << 1), int32_t *); |
268 | hrp[0] = tmp; |
269 | hrp[1] = tmp2; |
270 | } |
271 | } |
272 | } |
273 | } |
274 | |
275 | #ifndef RASOPS_SMALL |
276 | /* |
277 | * Paint a single character. This is for 8-pixel wide fonts. |
278 | */ |
279 | static void |
280 | rasops1_putchar8(void *cookie, int row, int col, u_int uc, long attr) |
281 | { |
282 | int height, fs, rs, bg, fg; |
283 | struct rasops_info *ri = (struct rasops_info *)cookie; |
284 | struct wsdisplay_font *font = PICK_FONT(ri, uc); |
285 | u_char *fr, *rp, *hrp = NULL; |
286 | |
287 | #ifdef RASOPS_CLIPPING |
288 | /* Catches 'row < 0' case too */ |
289 | if ((unsigned)row >= (unsigned)ri->ri_rows) |
290 | return; |
291 | |
292 | if ((unsigned)col >= (unsigned)ri->ri_cols) |
293 | return; |
294 | #endif |
295 | |
296 | rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale; |
297 | if (ri->ri_hwbits) |
298 | hrp = ri->ri_hwbits + row * ri->ri_yscale + col * ri->ri_xscale; |
299 | height = font->fontheight; |
300 | rs = ri->ri_stride; |
301 | |
302 | bg = (attr & 0x000f0000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0]; |
303 | fg = (attr & 0x0f000000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0]; |
304 | |
305 | /* If fg and bg match this becomes a space character */ |
306 | if (fg == bg || uc == ' ') { |
307 | while (height--) { |
308 | *rp = bg; |
309 | rp += rs; |
310 | if (ri->ri_hwbits) { |
311 | *hrp = bg; |
312 | hrp += rs; |
313 | } |
314 | } |
315 | } else { |
316 | uc -= font->firstchar; |
317 | fr = (u_char *)font->data + uc * ri->ri_fontscale; |
318 | fs = font->stride; |
319 | |
320 | /* NOT fontbits if bg is white */ |
321 | if (bg) { |
322 | while (height--) { |
323 | *rp = ~*fr; |
324 | rp += rs; |
325 | if (ri->ri_hwbits) { |
326 | *hrp = ~*fr; |
327 | hrp += rs; |
328 | } |
329 | fr += fs; |
330 | |
331 | } |
332 | } else { |
333 | while (height--) { |
334 | *rp = *fr; |
335 | rp += rs; |
336 | if (ri->ri_hwbits) { |
337 | *hrp = *fr; |
338 | hrp += rs; |
339 | } |
340 | fr += fs; |
341 | } |
342 | } |
343 | |
344 | } |
345 | |
346 | /* Do underline */ |
347 | if ((attr & 1) != 0) { |
348 | rp[-(ri->ri_stride << 1)] = fg; |
349 | if (ri->ri_hwbits) { |
350 | hrp[-(ri->ri_stride << 1)] = fg; |
351 | } |
352 | } |
353 | } |
354 | |
355 | /* |
356 | * Paint a single character. This is for 16-pixel wide fonts. |
357 | */ |
358 | static void |
359 | rasops1_putchar16(void *cookie, int row, int col, u_int uc, long attr) |
360 | { |
361 | int height, fs, rs, bg, fg; |
362 | struct rasops_info *ri = (struct rasops_info *)cookie; |
363 | struct wsdisplay_font *font = PICK_FONT(ri, uc); |
364 | u_char *fr, *rp, *hrp = NULL; |
365 | |
366 | #ifdef RASOPS_CLIPPING |
367 | /* Catches 'row < 0' case too */ |
368 | if ((unsigned)row >= (unsigned)ri->ri_rows) |
369 | return; |
370 | |
371 | if ((unsigned)col >= (unsigned)ri->ri_cols) |
372 | return; |
373 | #endif |
374 | |
375 | rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale; |
376 | if (ri->ri_hwbits) |
377 | hrp = ri->ri_hwbits + row * ri->ri_yscale + col * ri->ri_xscale; |
378 | height = font->fontheight; |
379 | rs = ri->ri_stride; |
380 | |
381 | bg = (attr & 0x000f0000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0]; |
382 | fg = (attr & 0x0f000000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0]; |
383 | |
384 | /* If fg and bg match this becomes a space character */ |
385 | if (fg == bg || uc == ' ') { |
386 | while (height--) { |
387 | /* XXX alignment?! */ |
388 | *(int16_t *)rp = bg; |
389 | rp += rs; |
390 | if (ri->ri_hwbits) { |
391 | *(int16_t *)hrp = bg; |
392 | hrp += rs; |
393 | } |
394 | } |
395 | } else { |
396 | uc -= font->firstchar; |
397 | fr = (u_char *)font->data + uc * ri->ri_fontscale; |
398 | fs = font->stride; |
399 | |
400 | /* NOT fontbits if bg is white */ |
401 | if (bg) { |
402 | while (height--) { |
403 | rp[0] = ~fr[0]; |
404 | rp[1] = ~fr[1]; |
405 | rp += rs; |
406 | if (ri->ri_hwbits) { |
407 | hrp[0] = ~fr[0]; |
408 | hrp[1] = ~fr[1]; |
409 | hrp += rs; |
410 | } |
411 | fr += fs; |
412 | } |
413 | } else { |
414 | while (height--) { |
415 | rp[0] = fr[0]; |
416 | rp[1] = fr[1]; |
417 | rp += rs; |
418 | if (ri->ri_hwbits) { |
419 | hrp[0] = fr[0]; |
420 | hrp[1] = fr[1]; |
421 | hrp += rs; |
422 | } |
423 | fr += fs; |
424 | } |
425 | } |
426 | } |
427 | |
428 | /* Do underline */ |
429 | if ((attr & 1) != 0) { |
430 | /* XXX alignment?! */ |
431 | *(int16_t *)(rp - (ri->ri_stride << 1)) = fg; |
432 | if (ri->ri_hwbits) { |
433 | *(int16_t *)(hrp - (ri->ri_stride << 1)) = fg; |
434 | } |
435 | } |
436 | } |
437 | #endif /* !RASOPS_SMALL */ |
438 | |
439 | /* |
440 | * Grab routines common to depths where (bpp < 8) |
441 | */ |
442 | #define NAME(ident) rasops1_##ident |
443 | #define PIXEL_SHIFT 0 |
444 | |
445 | #include <dev/rasops/rasops_bitops.h> |
446 | |