1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The DragonFly Project
8 * by Sascha Wildner <saw@online.de>
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 as
15 * the first lines of this file unmodified.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 */
32
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
35
36 #include "opt_syscons.h"
37 #include "opt_vga.h"
38
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/module.h>
43 #include <sys/fbio.h>
44 #include <sys/consio.h>
45 #include <sys/sysctl.h>
46
47 #include <machine/bus.h>
48
49 #include <dev/fb/fbreg.h>
50 #include <dev/fb/vgareg.h>
51 #include <dev/syscons/syscons.h>
52
53 #include <isa/isareg.h>
54
55 #ifndef SC_RENDER_DEBUG
56 #define SC_RENDER_DEBUG 0
57 #endif
58
59 static vr_clear_t vga_txtclear;
60 static vr_draw_border_t vga_txtborder;
61 static vr_draw_t vga_txtdraw;
62 static vr_set_cursor_t vga_txtcursor_shape;
63 static vr_draw_cursor_t vga_txtcursor;
64 static vr_blink_cursor_t vga_txtblink;
65 #ifndef SC_NO_CUTPASTE
66 static vr_draw_mouse_t vga_txtmouse;
67 #else
68 #define vga_txtmouse (vr_draw_mouse_t *)vga_nop
69 #endif
70
71 #ifdef SC_PIXEL_MODE
72 static vr_init_t vga_rndrinit;
73 static vr_clear_t vga_pxlclear_direct;
74 static vr_clear_t vga_pxlclear_planar;
75 static vr_draw_border_t vga_pxlborder_direct;
76 static vr_draw_border_t vga_pxlborder_planar;
77 static vr_draw_t vga_vgadraw_direct;
78 static vr_draw_t vga_vgadraw_planar;
79 static vr_set_cursor_t vga_pxlcursor_shape;
80 static vr_draw_cursor_t vga_pxlcursor_direct;
81 static vr_draw_cursor_t vga_pxlcursor_planar;
82 static vr_blink_cursor_t vga_pxlblink_direct;
83 static vr_blink_cursor_t vga_pxlblink_planar;
84 #ifndef SC_NO_CUTPASTE
85 static vr_draw_mouse_t vga_pxlmouse_direct;
86 static vr_draw_mouse_t vga_pxlmouse_planar;
87 #else
88 #define vga_pxlmouse_direct (vr_draw_mouse_t *)vga_nop
89 #define vga_pxlmouse_planar (vr_draw_mouse_t *)vga_nop
90 #endif
91 #endif /* SC_PIXEL_MODE */
92
93 #ifndef SC_NO_MODE_CHANGE
94 static vr_draw_border_t vga_grborder;
95 #endif
96
97 static void vga_nop(scr_stat *scp);
98
99 static sc_rndr_sw_t txtrndrsw = {
100 (vr_init_t *)vga_nop,
101 vga_txtclear,
102 vga_txtborder,
103 vga_txtdraw,
104 vga_txtcursor_shape,
105 vga_txtcursor,
106 vga_txtblink,
107 (vr_set_mouse_t *)vga_nop,
108 vga_txtmouse,
109 };
110 RENDERER(mda, 0, txtrndrsw, vga_set);
111 RENDERER(cga, 0, txtrndrsw, vga_set);
112 RENDERER(ega, 0, txtrndrsw, vga_set);
113 RENDERER(vga, 0, txtrndrsw, vga_set);
114
115 #ifdef SC_PIXEL_MODE
116 static sc_rndr_sw_t vgarndrsw = {
117 vga_rndrinit,
118 (vr_clear_t *)vga_nop,
119 (vr_draw_border_t *)vga_nop,
120 (vr_draw_t *)vga_nop,
121 vga_pxlcursor_shape,
122 (vr_draw_cursor_t *)vga_nop,
123 (vr_blink_cursor_t *)vga_nop,
124 (vr_set_mouse_t *)vga_nop,
125 (vr_draw_mouse_t *)vga_nop,
126 };
127 RENDERER(ega, PIXEL_MODE, vgarndrsw, vga_set);
128 RENDERER(vga, PIXEL_MODE, vgarndrsw, vga_set);
129 #endif /* SC_PIXEL_MODE */
130
131 #ifndef SC_NO_MODE_CHANGE
132 static sc_rndr_sw_t grrndrsw = {
133 (vr_init_t *)vga_nop,
134 (vr_clear_t *)vga_nop,
135 vga_grborder,
136 (vr_draw_t *)vga_nop,
137 (vr_set_cursor_t *)vga_nop,
138 (vr_draw_cursor_t *)vga_nop,
139 (vr_blink_cursor_t *)vga_nop,
140 (vr_set_mouse_t *)vga_nop,
141 (vr_draw_mouse_t *)vga_nop,
142 };
143 RENDERER(cga, GRAPHICS_MODE, grrndrsw, vga_set);
144 RENDERER(ega, GRAPHICS_MODE, grrndrsw, vga_set);
145 RENDERER(vga, GRAPHICS_MODE, grrndrsw, vga_set);
146 #endif /* SC_NO_MODE_CHANGE */
147
148 RENDERER_MODULE(vga, vga_set);
149
150 #ifndef SC_NO_CUTPASTE
151 #if !defined(SC_ALT_MOUSE_IMAGE) || defined(SC_PIXEL_MODE)
152 struct mousedata {
153 u_short md_border[16];
154 u_short md_interior[16];
155 u_char md_width;
156 u_char md_height;
157 u_char md_baspect;
158 u_char md_iaspect;
159 const char *md_name;
160 };
161
162 static const struct mousedata mouse10x16_50 = { {
163 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8200,
164 0x8400, 0x8400, 0x8400, 0x9200, 0xB200, 0xA900, 0xC900, 0x8600, }, {
165 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7C00,
166 0x7800, 0x7800, 0x7800, 0x6C00, 0x4C00, 0x4600, 0x0600, 0x0000, },
167 10, 16, 49, 52, "mouse10x16_50",
168 };
169
170 static const struct mousedata mouse8x14_67 = { {
171 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8700,
172 0x8400, 0x9200, 0xB200, 0xA900, 0xC900, 0x0600, 0x0000, 0x0000, }, {
173 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7800,
174 0x7800, 0x6C00, 0x4C00, 0x4600, 0x0600, 0x0000, 0x0000, 0x0000, },
175 8, 14, 64, 65, "mouse8x14_67",
176 };
177
178 static const struct mousedata mouse8x13_75 = { {
179 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8600, 0x8400,
180 0xB200, 0xD200, 0x0900, 0x0900, 0x0600, 0x0000, 0x0000, 0x0000, }, {
181 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7800, 0x7800,
182 0x4C00, 0x0C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000, },
183 8, 13, 75, 80, "mouse8x13_75",
184 };
185
186 static const struct mousedata mouse10x16_75 = { {
187 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8700,
188 0x8400, 0x9200, 0xB200, 0xC900, 0x0900, 0x0480, 0x0480, 0x0300, }, {
189 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7800,
190 0x7800, 0x6C00, 0x4C00, 0x0600, 0x0600, 0x0300, 0x0300, 0x0000, },
191 10, 16, 72, 75, "mouse10x16_75",
192 };
193
194 static const struct mousedata mouse9x13_90 = { {
195 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8780,
196 0x9200, 0xB200, 0xD900, 0x8900, 0x0600, 0x0000, 0x0000, 0x0000, }, {
197 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7800,
198 0x6C00, 0x4C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000, },
199 9, 13, 89, 89, "mouse9x13_90",
200 };
201
202 static const struct mousedata mouse10x16_90 = { {
203 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080,
204 0x8040, 0x83E0, 0x8200, 0x9900, 0xA900, 0xC480, 0x8480, 0x0300, }, {
205 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00,
206 0x7F80, 0x7C00, 0x7C00, 0x6600, 0x4600, 0x0300, 0x0300, 0x0000, },
207 10, 16, 89, 89, "mouse10x16_90",
208 };
209
210 static const struct mousedata mouse9x13_100 = { {
211 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8780,
212 0xB200, 0xD200, 0x8900, 0x0900, 0x0600, 0x0000, 0x0000, 0x0000, }, {
213 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7800,
214 0x4C00, 0x0C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000, },
215 9, 13, 106, 113, "mouse9x13_100",
216 };
217
218 static const struct mousedata mouse10x16_100 = { {
219 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080,
220 0x8040, 0x83C0, 0x9200, 0xA900, 0xC900, 0x0480, 0x0480, 0x0300, }, {
221 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00,
222 0x7F80, 0x7C00, 0x6C00, 0x4600, 0x0600, 0x0300, 0x0300, 0x0000, },
223 10, 16, 96, 106, "mouse10x16_100",
224 };
225
226 static const struct mousedata mouse10x14_120 = { {
227 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080,
228 0x97C0, 0xB200, 0xF200, 0xC900, 0x8900, 0x0600, 0x0000, 0x0000, }, {
229 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00,
230 0x6800, 0x4C00, 0x0C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, },
231 10, 14, 120, 124, "mouse10x14_120",
232 };
233
234 static const struct mousedata mouse10x16_120 = { {
235 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080,
236 0x97C0, 0xB200, 0xF200, 0xC900, 0x8900, 0x0480, 0x0480, 0x0300, }, {
237 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00,
238 0x6800, 0x4C00, 0x0C00, 0x0600, 0x0600, 0x0300, 0x0300, 0x0000, },
239 10, 16, 120, 124, "mouse10x16_120",
240 };
241
242 static const struct mousedata mouse9x13_133 = { {
243 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080,
244 0x9780, 0xB200, 0xC900, 0x0900, 0x0600, 0x0000, 0x0000, 0x0000, }, {
245 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00,
246 0x6800, 0x4C00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000, },
247 9, 13, 142, 124, "mouse9x13_133",
248 };
249
250 static const struct mousedata mouse10x16_133 = { {
251 0xC000, 0xA000, 0x9000, 0x8800, 0x8400, 0x8200, 0x8100, 0x8080,
252 0x8040, 0x93E0, 0xB200, 0xC900, 0x8900, 0x0480, 0x0480, 0x0300, }, {
253 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7C00, 0x7E00, 0x7F00,
254 0x7F80, 0x6C00, 0x4C00, 0x0600, 0x0600, 0x0300, 0x0300, 0x0000, },
255 10, 16, 120, 133, "mouse10x16_133",
256 };
257
258 static const struct mousedata mouse14x10_240 = { {
259 0xF800, 0xCE00, 0xC380, 0xC0E0, 0xC038, 0xC1FC, 0xDCC0, 0xF660,
260 0xC330, 0x01E0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, }, {
261 0x0000, 0x3000, 0x3C00, 0x3F00, 0x3FC0, 0x3E00, 0x2300, 0x0180,
262 0x00C0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, },
263 14, 10, 189, 189, "mouse14x10_240",
264 };
265
266 static const struct mousedata * const mouselarge[] = {
267 &mouse10x16_50,
268 &mouse8x14_67,
269 &mouse10x16_75,
270 &mouse10x16_90,
271 &mouse10x16_100,
272 &mouse10x16_120,
273 &mouse10x16_133,
274 &mouse14x10_240,
275 };
276
277 static const struct mousedata * const mousesmall[] = {
278 &mouse8x14_67,
279 &mouse8x13_75,
280 &mouse9x13_90,
281 &mouse9x13_100,
282 &mouse10x14_120,
283 &mouse9x13_133,
284 &mouse14x10_240,
285 };
286 #endif
287 #endif
288
289 #ifdef SC_PIXEL_MODE
290 #define GET_PIXEL(scp, pos, x, w) \
291 ({ \
292 (scp)->sc->adp->va_window + \
293 (x) * (scp)->xoff + \
294 (scp)->yoff * (scp)->font_size * (w) + \
295 (x) * ((pos) % (scp)->xsize) + \
296 (scp)->font_size * (w) * ((pos) / (scp)->xsize); \
297 })
298
299 #define DRAW_PIXEL(scp, pos, color) do { \
300 switch ((scp)->sc->adp->va_info.vi_depth) { \
301 case 32: \
302 writel((pos), vga_palette32[color]); \
303 break; \
304 case 24: \
305 if (((pos) & 1) == 0) { \
306 writew((pos), vga_palette32[color]); \
307 writeb((pos) + 2, vga_palette32[color] >> 16); \
308 } else { \
309 writeb((pos), vga_palette32[color]); \
310 writew((pos) + 1, vga_palette32[color] >> 8); \
311 } \
312 break; \
313 case 16: \
314 if ((scp)->sc->adp->va_info.vi_pixel_fsizes[1] == 5) \
315 writew((pos), vga_palette15[color]); \
316 else \
317 writew((pos), vga_palette16[color]); \
318 break; \
319 case 15: \
320 writew((pos), vga_palette15[color]); \
321 break; \
322 case 8: \
323 writeb((pos), (uint8_t)(color)); \
324 } \
325 } while (0)
326
327 static uint32_t vga_palette32[16] = {
328 0x000000, 0x0000ad, 0x00ad00, 0x00adad,
329 0xad0000, 0xad00ad, 0xad5200, 0xadadad,
330 0x525252, 0x5252ff, 0x52ff52, 0x52ffff,
331 0xff5252, 0xff52ff, 0xffff52, 0xffffff
332 };
333
334 static uint16_t vga_palette16[16] = {
335 0x0000, 0x0016, 0x0560, 0x0576, 0xb000, 0xb016, 0xb2a0, 0xb576,
336 0x52aa, 0x52bf, 0x57ea, 0x57ff, 0xfaaa, 0xfabf, 0xffea, 0xffff
337 };
338
339 static uint16_t vga_palette15[16] = {
340 0x0000, 0x0016, 0x02c0, 0x02d6, 0x5800, 0x5816, 0x5940, 0x5ad6,
341 0x294a, 0x295f, 0x2bea, 0x2bff, 0x7d4a, 0x7d5f, 0x7fea, 0x7fff
342 };
343 #endif
344
345 static int vga_aspect_scale= 100;
346 SYSCTL_INT(_machdep, OID_AUTO, vga_aspect_scale, CTLFLAG_RW,
347 &vga_aspect_scale, 0, "Aspect scale ratio (3:4):actual times 100");
348
349 static u_short
350 vga_flipattr(u_short a, int blink)
351 {
352 if (blink)
353 a = (a & 0x8800) | ((a & 0x7000) >> 4) |
354 ((a & 0x0700) << 4);
355 else
356 a = ((a & 0xf000) >> 4) | ((a & 0x0f00) << 4);
357 return (a);
358 }
359
360 static u_short
361 vga_cursorattr_adj(scr_stat *scp, u_short a, int blink)
362 {
363 int i;
364 u_short bg, bgmask, fg, newbg;
365
366 /*
367 * The cursor attribute is usually that of the underlying char
368 * with only the bg changed, to the first preferred color that
369 * differs from both the fg and bg. If there is no such color,
370 * use reverse video.
371 */
372 bgmask = blink ? 0x7000 : 0xf000;
373 bg = a & bgmask;
374 fg = a & 0x0f00;
375 for (i = 0; i < nitems(scp->curs_attr.bg); i++) {
376 newbg = (scp->curs_attr.bg[i] << 12) & bgmask;
377 if (newbg != bg && newbg != (fg << 4))
378 break;
379 }
380 if (i == nitems(scp->curs_attr.bg))
381 return (vga_flipattr(a, blink));
382 return (fg | newbg | (blink ? a & 0x8000 : 0));
383 }
384
385 static void
386 vga_setmdp(scr_stat *scp)
387 {
388 #if !defined(SC_NO_CUTPASTE) && \
389 (!defined(SC_ALT_MOUSE_IMAGE) || defined(SC_PIXEL_MODE))
390 const struct mousedata *mdp;
391 const struct mousedata * const *mdpp;
392 int aspect, best_i, best_v, i, n, v, wb, wi, xpixel, ypixel;
393
394 xpixel = scp->xpixel;
395 ypixel = scp->ypixel;
396 if (scp->sc->adp->va_flags & V_ADP_CWIDTH9)
397 xpixel = xpixel * 9 / 8;
398
399 /* If 16:9 +-1%, assume square pixels, else scale to 4:3 or full. */
400 aspect = xpixel * 900 / ypixel / 16;
401 if (aspect < 99 || aspect > 100)
402 aspect = xpixel * 300 / ypixel / 4 * vga_aspect_scale / 100;
403
404 /*
405 * Use 10x16 cursors except even with 8x8 fonts except in ~200-
406 * line modes where pixels are very large and in text mode where
407 * even 13 pixels high is really 4 too many. Clipping a 16-high
408 * cursor at 9-high gives a variable tail which looks better than
409 * a smaller cursor with a constant tail.
410 *
411 * XXX: the IS*SC() macros don't work when this is called at the
412 * end of a mode switch since UNKNOWN_SC is still set.
413 */
414 if (scp->font_size <= 8 &&
415 (ypixel < 300 || !(scp->status & PIXEL_MODE))) {
416 mdpp = &mousesmall[0];
417 n = nitems(mousesmall);
418 } else {
419 mdpp = &mouselarge[0];
420 n = nitems(mouselarge);
421 }
422 if (scp->status & PIXEL_MODE) {
423 wb = 1024;
424 wi = 256;
425 } else {
426 wb = 256;
427 wi = 1024;
428 }
429 best_i = 0;
430 best_v = 0x7fffffff;
431 for (i = 0; i < n; i++) {
432 v = (wb * abs(mdpp[i]->md_baspect - aspect) +
433 wi * abs(mdpp[i]->md_iaspect - aspect)) / aspect;
434 if (best_v > v) {
435 best_v = v;
436 best_i = i;
437 }
438 }
439 mdp = mdpp[best_i];
440 scp->mouse_data = mdp;
441 #endif /* !SC_NO_CUTPASTE && (!SC_ALT_MOUSE_IMAGE || SC_PIXEL_MODE) */
442 }
443
444 static void
445 vga_nop(scr_stat *scp)
446 {
447 }
448
449 /* text mode renderer */
450
451 static void
452 vga_txtclear(scr_stat *scp, int c, int attr)
453 {
454 sc_vtb_clear(&scp->scr, c, attr);
455 }
456
457 static void
458 vga_txtborder(scr_stat *scp, int color)
459 {
460 vidd_set_border(scp->sc->adp, color);
461 }
462
463 static void
464 vga_txtdraw(scr_stat *scp, int from, int count, int flip)
465 {
466 vm_offset_t p;
467 int c;
468 int a;
469
470 if (from + count > scp->xsize*scp->ysize)
471 count = scp->xsize*scp->ysize - from;
472
473 if (flip) {
474 for (p = sc_vtb_pointer(&scp->scr, from); count-- > 0; ++from) {
475 c = sc_vtb_getc(&scp->vtb, from);
476 a = sc_vtb_geta(&scp->vtb, from);
477 a = vga_flipattr(a, TRUE);
478 p = sc_vtb_putchar(&scp->scr, p, c, a);
479 }
480 } else {
481 sc_vtb_copy(&scp->vtb, from, &scp->scr, from, count);
482 }
483 }
484
485 static void
486 vga_txtcursor_shape(scr_stat *scp, int base, int height, int blink)
487 {
488 vga_setmdp(scp);
489 if (base < 0 || base >= scp->font_size)
490 return;
491 /* the caller may set height <= 0 in order to disable the cursor */
492 vidd_set_hw_cursor_shape(scp->sc->adp, base, height,
493 scp->font_size, blink);
494 }
495
496 static void
497 draw_txtcharcursor(scr_stat *scp, int at, u_short c, u_short a, int flip)
498 {
499 #ifndef SC_NO_FONT_LOADING
500 sc_softc_t *sc;
501
502 sc = scp->sc;
503
504 if (scp->curs_attr.flags & CONS_CHAR_CURSOR) {
505 unsigned char *font;
506 int h;
507 int i;
508
509 if (scp->font_size < 14) {
510 font = sc->font_8;
511 h = 8;
512 } else if (scp->font_size >= 16) {
513 font = sc->font_16;
514 h = 16;
515 } else {
516 font = sc->font_14;
517 h = 14;
518 }
519 if (scp->curs_attr.base >= h)
520 return;
521 if (flip)
522 a = vga_flipattr(a, TRUE);
523 /*
524 * This clause handles partial-block cursors in text mode.
525 * We want to change the attribute only under the partial
526 * block, but in text mode we can only change full blocks.
527 * Use reverse video instead.
528 */
529 bcopy(font + c*h, font + sc->cursor_char*h, h);
530 font = font + sc->cursor_char*h;
531 for (i = imax(h - scp->curs_attr.base - scp->curs_attr.height, 0);
532 i < h - scp->curs_attr.base; ++i) {
533 font[i] ^= 0xff;
534 }
535 /* XXX */
536 vidd_load_font(sc->adp, 0, h, 8, font, sc->cursor_char, 1);
537 sc_vtb_putc(&scp->scr, at, sc->cursor_char, a);
538 } else
539 #endif /* SC_NO_FONT_LOADING */
540 {
541 if (flip)
542 a = vga_flipattr(a, TRUE);
543 a = vga_cursorattr_adj(scp, a, TRUE);
544 sc_vtb_putc(&scp->scr, at, c, a);
545 }
546 }
547
548 static void
549 vga_txtcursor(scr_stat *scp, int at, int blink, int on, int flip)
550 {
551 video_adapter_t *adp;
552 int cursor_attr;
553
554 if (scp->curs_attr.height <= 0) /* the text cursor is disabled */
555 return;
556
557 adp = scp->sc->adp;
558 if (blink) {
559 scp->status |= VR_CURSOR_BLINK;
560 if (on) {
561 scp->status |= VR_CURSOR_ON;
562 vidd_set_hw_cursor(adp, at%scp->xsize,
563 at/scp->xsize);
564 } else {
565 if (scp->status & VR_CURSOR_ON)
566 vidd_set_hw_cursor(adp, -1, -1);
567 scp->status &= ~VR_CURSOR_ON;
568 }
569 } else {
570 scp->status &= ~VR_CURSOR_BLINK;
571 if (on) {
572 scp->status |= VR_CURSOR_ON;
573 draw_txtcharcursor(scp, at,
574 sc_vtb_getc(&scp->vtb, at),
575 sc_vtb_geta(&scp->vtb, at),
576 flip);
577 } else {
578 cursor_attr = sc_vtb_geta(&scp->vtb, at);
579 if (flip)
580 cursor_attr = vga_flipattr(cursor_attr, TRUE);
581 if (scp->status & VR_CURSOR_ON)
582 sc_vtb_putc(&scp->scr, at,
583 sc_vtb_getc(&scp->vtb, at),
584 cursor_attr);
585 scp->status &= ~VR_CURSOR_ON;
586 }
587 }
588 }
589
590 static void
591 vga_txtblink(scr_stat *scp, int at, int flip)
592 {
593 }
594
595 int sc_txtmouse_no_retrace_wait;
596
597 #ifndef SC_NO_CUTPASTE
598
599 static void
600 draw_txtmouse(scr_stat *scp, int x, int y)
601 {
602 #ifndef SC_ALT_MOUSE_IMAGE
603 if (ISMOUSEAVAIL(scp->sc->adp->va_flags)) {
604 const struct mousedata *mdp;
605 uint32_t border, interior;
606 u_char font_buf[128];
607 u_short cursor[32];
608 u_char c;
609 int pos;
610 int xoffset, yoffset;
611 int crtc_addr;
612 int i;
613
614 mdp = scp->mouse_data;
615
616 /* prepare mousepointer char's bitmaps */
617 pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
618 bcopy(scp->font + sc_vtb_getc(&scp->scr, pos)*scp->font_size,
619 &font_buf[0], scp->font_size);
620 bcopy(scp->font + sc_vtb_getc(&scp->scr, pos + 1)*scp->font_size,
621 &font_buf[32], scp->font_size);
622 bcopy(scp->font
623 + sc_vtb_getc(&scp->scr, pos + scp->xsize)*scp->font_size,
624 &font_buf[64], scp->font_size);
625 bcopy(scp->font
626 + sc_vtb_getc(&scp->scr, pos + scp->xsize + 1)*scp->font_size,
627 &font_buf[96], scp->font_size);
628 for (i = 0; i < scp->font_size; ++i) {
629 cursor[i] = font_buf[i]<<8 | font_buf[i+32];
630 cursor[i + scp->font_size] = font_buf[i+64]<<8 | font_buf[i+96];
631 }
632
633 /* now and-or in the mousepointer image */
634 xoffset = x%8;
635 yoffset = y%scp->font_size;
636 for (i = 0; i < 16; ++i) {
637 border = mdp->md_border[i] << 8; /* avoid right shifting out */
638 interior = mdp->md_interior[i] << 8;
639 border >>= xoffset; /* normalize */
640 interior >>= xoffset;
641 if (scp->sc->adp->va_flags & V_ADP_CWIDTH9) {
642 /* skip gaps between characters */
643 border = (border & 0xff0000) |
644 (border & 0x007f80) << 1 |
645 (border & 0x00003f) << 2;
646 interior = (interior & 0xff0000) |
647 (interior & 0x007f80) << 1 |
648 (interior & 0x00003f) << 2;
649 }
650 border >>= 8; /* back to normal position */
651 interior >>= 8;
652 cursor[i + yoffset] = (cursor[i + yoffset] & ~border) |
653 interior;
654 }
655 for (i = 0; i < scp->font_size; ++i) {
656 font_buf[i] = (cursor[i] & 0xff00) >> 8;
657 font_buf[i + 32] = cursor[i] & 0xff;
658 font_buf[i + 64] = (cursor[i + scp->font_size] & 0xff00) >> 8;
659 font_buf[i + 96] = cursor[i + scp->font_size] & 0xff;
660 }
661
662 #if 1
663 /* wait for vertical retrace to avoid jitter on some videocards */
664 crtc_addr = scp->sc->adp->va_crtc_addr;
665 while (!sc_txtmouse_no_retrace_wait &&
666 !(inb(crtc_addr + 6) & 0x08))
667 /* idle */ ;
668 #endif
669 c = scp->sc->mouse_char;
670 vidd_load_font(scp->sc->adp, 0, 32, 8, font_buf, c, 4);
671
672 sc_vtb_putc(&scp->scr, pos, c, sc_vtb_geta(&scp->scr, pos));
673 /* FIXME: may be out of range! */
674 sc_vtb_putc(&scp->scr, pos + scp->xsize, c + 2,
675 sc_vtb_geta(&scp->scr, pos + scp->xsize));
676 if (x < (scp->xsize - 1)*8) {
677 sc_vtb_putc(&scp->scr, pos + 1, c + 1,
678 sc_vtb_geta(&scp->scr, pos + 1));
679 sc_vtb_putc(&scp->scr, pos + scp->xsize + 1, c + 3,
680 sc_vtb_geta(&scp->scr, pos + scp->xsize + 1));
681 }
682 } else
683 #endif /* SC_ALT_MOUSE_IMAGE */
684 {
685 /* Red, magenta and brown are mapped to green to keep it readable */
686 static const int col_conv[16] = {
687 6, 6, 6, 6, 2, 2, 2, 6, 14, 14, 14, 14, 10, 10, 10, 14
688 };
689 int pos;
690 int color;
691 int a;
692
693 pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
694 a = sc_vtb_geta(&scp->scr, pos);
695 if (scp->sc->adp->va_flags & V_ADP_COLOR)
696 color = (col_conv[(a & 0xf000) >> 12] << 12)
697 | ((a & 0x0f00) | 0x0800);
698 else
699 color = ((a & 0xf000) >> 4) | ((a & 0x0f00) << 4);
700 sc_vtb_putc(&scp->scr, pos, sc_vtb_getc(&scp->scr, pos), color);
701 }
702 }
703
704 static void
705 remove_txtmouse(scr_stat *scp, int x, int y)
706 {
707 }
708
709 static void
710 vga_txtmouse(scr_stat *scp, int x, int y, int on)
711 {
712 if (on)
713 draw_txtmouse(scp, x, y);
714 else
715 remove_txtmouse(scp, x, y);
716 }
717
718 #endif /* SC_NO_CUTPASTE */
719
720 #ifdef SC_PIXEL_MODE
721
722 /* pixel (raster text) mode renderer */
723
724 static void
725 vga_rndrinit(scr_stat *scp)
726 {
727 if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PLANAR) {
728 scp->rndr->clear = vga_pxlclear_planar;
729 scp->rndr->draw_border = vga_pxlborder_planar;
730 scp->rndr->draw = vga_vgadraw_planar;
731 scp->rndr->draw_cursor = vga_pxlcursor_planar;
732 scp->rndr->blink_cursor = vga_pxlblink_planar;
733 scp->rndr->draw_mouse = vga_pxlmouse_planar;
734 } else
735 if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT ||
736 scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PACKED) {
737 scp->rndr->clear = vga_pxlclear_direct;
738 scp->rndr->draw_border = vga_pxlborder_direct;
739 scp->rndr->draw = vga_vgadraw_direct;
740 scp->rndr->draw_cursor = vga_pxlcursor_direct;
741 scp->rndr->blink_cursor = vga_pxlblink_direct;
742 scp->rndr->draw_mouse = vga_pxlmouse_direct;
743 }
744 }
745
746 static void
747 vga_pxlclear_direct(scr_stat *scp, int c, int attr)
748 {
749 vm_offset_t p;
750 int line_width;
751 int pixel_size;
752 int lines;
753 int i;
754
755 line_width = scp->sc->adp->va_line_width;
756 pixel_size = scp->sc->adp->va_info.vi_pixel_size;
757 lines = scp->ysize * scp->font_size;
758 p = scp->sc->adp->va_window +
759 line_width * scp->yoff * scp->font_size +
760 scp->xoff * 8 * pixel_size;
761
762 for (i = 0; i < lines; ++i) {
763 bzero_io((void *)p, scp->xsize * 8 * pixel_size);
764 p += line_width;
765 }
766 }
767
768 static void
769 vga_pxlclear_planar(scr_stat *scp, int c, int attr)
770 {
771 vm_offset_t p;
772 int line_width;
773 int lines;
774 int i;
775
776 /* XXX: we are just filling the screen with the background color... */
777 outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
778 outw(GDCIDX, 0x0003); /* data rotate/function select */
779 outw(GDCIDX, 0x0f01); /* set/reset enable */
780 outw(GDCIDX, 0xff08); /* bit mask */
781 outw(GDCIDX, ((attr & 0xf000) >> 4) | 0x00); /* set/reset */
782 line_width = scp->sc->adp->va_line_width;
783 lines = scp->ysize*scp->font_size;
784 p = scp->sc->adp->va_window + line_width*scp->yoff*scp->font_size
785 + scp->xoff;
786 for (i = 0; i < lines; ++i) {
787 bzero_io((void *)p, scp->xsize);
788 p += line_width;
789 }
790 outw(GDCIDX, 0x0000); /* set/reset */
791 outw(GDCIDX, 0x0001); /* set/reset enable */
792 }
793
794 static void
795 vga_pxlborder_direct(scr_stat *scp, int color)
796 {
797 vm_offset_t s;
798 vm_offset_t e;
799 vm_offset_t f;
800 int line_width;
801 int pixel_size;
802 int x;
803 int y;
804 int i;
805
806 line_width = scp->sc->adp->va_line_width;
807 pixel_size = scp->sc->adp->va_info.vi_pixel_size;
808
809 if (scp->yoff > 0) {
810 s = scp->sc->adp->va_window;
811 e = s + line_width * scp->yoff * scp->font_size;
812
813 for (f = s; f < e; f += pixel_size)
814 DRAW_PIXEL(scp, f, color);
815 }
816
817 y = (scp->yoff + scp->ysize) * scp->font_size;
818
819 if (scp->ypixel > y) {
820 s = scp->sc->adp->va_window + line_width * y;
821 e = s + line_width * (scp->ypixel - y);
822
823 for (f = s; f < e; f += pixel_size)
824 DRAW_PIXEL(scp, f, color);
825 }
826
827 y = scp->yoff * scp->font_size;
828 x = scp->xpixel / 8 - scp->xoff - scp->xsize;
829
830 for (i = 0; i < scp->ysize * scp->font_size; ++i) {
831 if (scp->xoff > 0) {
832 s = scp->sc->adp->va_window + line_width * (y + i);
833 e = s + scp->xoff * 8 * pixel_size;
834
835 for (f = s; f < e; f += pixel_size)
836 DRAW_PIXEL(scp, f, color);
837 }
838
839 if (x > 0) {
840 s = scp->sc->adp->va_window + line_width * (y + i) +
841 scp->xoff * 8 * pixel_size +
842 scp->xsize * 8 * pixel_size;
843 e = s + x * 8 * pixel_size;
844
845 for (f = s; f < e; f += pixel_size)
846 DRAW_PIXEL(scp, f, color);
847 }
848 }
849 }
850
851 static void
852 vga_pxlborder_planar(scr_stat *scp, int color)
853 {
854 vm_offset_t p;
855 int line_width;
856 int x;
857 int y;
858 int i;
859
860 vidd_set_border(scp->sc->adp, color);
861
862 outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
863 outw(GDCIDX, 0x0003); /* data rotate/function select */
864 outw(GDCIDX, 0x0f01); /* set/reset enable */
865 outw(GDCIDX, 0xff08); /* bit mask */
866 outw(GDCIDX, (color << 8) | 0x00); /* set/reset */
867 line_width = scp->sc->adp->va_line_width;
868 p = scp->sc->adp->va_window;
869 if (scp->yoff > 0)
870 bzero_io((void *)p, line_width*scp->yoff*scp->font_size);
871 y = (scp->yoff + scp->ysize)*scp->font_size;
872 if (scp->ypixel > y)
873 bzero_io((void *)(p + line_width*y), line_width*(scp->ypixel - y));
874 y = scp->yoff*scp->font_size;
875 x = scp->xpixel/8 - scp->xoff - scp->xsize;
876 for (i = 0; i < scp->ysize*scp->font_size; ++i) {
877 if (scp->xoff > 0)
878 bzero_io((void *)(p + line_width*(y + i)), scp->xoff);
879 if (x > 0)
880 bzero_io((void *)(p + line_width*(y + i)
881 + scp->xoff + scp->xsize), x);
882 }
883 outw(GDCIDX, 0x0000); /* set/reset */
884 outw(GDCIDX, 0x0001); /* set/reset enable */
885 }
886
887 static void
888 vga_vgadraw_direct(scr_stat *scp, int from, int count, int flip)
889 {
890 vm_offset_t d;
891 vm_offset_t e;
892 u_char *f;
893 u_short col1, col2, color;
894 int line_width, pixel_size;
895 int i, j, k;
896 int a;
897
898 line_width = scp->sc->adp->va_line_width;
899 pixel_size = scp->sc->adp->va_info.vi_pixel_size;
900
901 d = GET_PIXEL(scp, from, 8 * pixel_size, line_width);
902
903 if (from + count > scp->xsize * scp->ysize)
904 count = scp->xsize * scp->ysize - from;
905
906 for (i = from; count-- > 0; ++i) {
907 a = sc_vtb_geta(&scp->vtb, i);
908
909 if (flip)
910 a = vga_flipattr(a, FALSE);
911 col1 = (a & 0x0f00) >> 8;
912 col2 = (a & 0xf000) >> 12;
913
914 e = d;
915 f = &(scp->font[sc_vtb_getc(&scp->vtb, i) * scp->font_size]);
916
917 for (j = 0; j < scp->font_size; ++j, ++f) {
918 for (k = 0; k < 8; ++k) {
919 color = *f & (1 << (7 - k)) ? col1 : col2;
920 DRAW_PIXEL(scp, e + pixel_size * k, color);
921 }
922
923 e += line_width;
924 }
925
926 d += 8 * pixel_size;
927
928 if ((i % scp->xsize) == scp->xsize - 1)
929 d += scp->font_size * line_width -
930 scp->xsize * 8 * pixel_size;
931 }
932 }
933
934 static void
935 vga_vgadraw_planar(scr_stat *scp, int from, int count, int flip)
936 {
937 vm_offset_t d;
938 vm_offset_t e;
939 u_char *f;
940 u_short bg, fg;
941 u_short col1, col2;
942 int line_width;
943 int i, j;
944 int a;
945
946 line_width = scp->sc->adp->va_line_width;
947
948 d = GET_PIXEL(scp, from, 1, line_width);
949
950 if (scp->sc->adp->va_type == KD_VGA) {
951 outw(GDCIDX, 0x0305); /* read mode 0, write mode 3 */
952 outw(GDCIDX, 0xff08); /* bit mask */
953 } else
954 outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
955 outw(GDCIDX, 0x0003); /* data rotate/function select */
956 outw(GDCIDX, 0x0f01); /* set/reset enable */
957 fg = bg = -1;
958 if (from + count > scp->xsize*scp->ysize)
959 count = scp->xsize*scp->ysize - from;
960 for (i = from; count-- > 0; ++i) {
961 a = sc_vtb_geta(&scp->vtb, i);
962 if (flip)
963 a = vga_flipattr(a, FALSE);
964 col1 = a & 0x0f00;
965 col2 = (a & 0xf000) >> 4;
966 /* set background color in EGA/VGA latch */
967 if (bg != col2) {
968 bg = col2;
969 fg = -1;
970 outw(GDCIDX, bg | 0x00); /* set/reset */
971 if (scp->sc->adp->va_type != KD_VGA)
972 outw(GDCIDX, 0xff08); /* bit mask */
973 writeb(d, 0xff);
974 (void)readb(d); /* set bg color in the latch */
975 }
976 /* foreground color */
977 if (fg != col1) {
978 fg = col1;
979 outw(GDCIDX, col1 | 0x00); /* set/reset */
980 }
981 e = d;
982 f = &(scp->font[sc_vtb_getc(&scp->vtb, i)*scp->font_size]);
983 for (j = 0; j < scp->font_size; ++j, ++f) {
984 if (scp->sc->adp->va_type == KD_VGA)
985 writeb(e, *f);
986 else {
987 outw(GDCIDX, (*f << 8) | 0x08); /* bit mask */
988 writeb(e, 0);
989 }
990 e += line_width;
991 }
992 ++d;
993 if ((i % scp->xsize) == scp->xsize - 1)
994 d += scp->font_size * line_width - scp->xsize;
995 }
996 if (scp->sc->adp->va_type == KD_VGA)
997 outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
998 else
999 outw(GDCIDX, 0xff08); /* bit mask */
1000 outw(GDCIDX, 0x0000); /* set/reset */
1001 outw(GDCIDX, 0x0001); /* set/reset enable */
1002 }
1003
1004 static void
1005 vga_pxlcursor_shape(scr_stat *scp, int base, int height, int blink)
1006 {
1007 vga_setmdp(scp);
1008 }
1009
1010 static void
1011 draw_pxlcursor_direct(scr_stat *scp, int at, int on, int flip)
1012 {
1013 vm_offset_t d;
1014 u_char *f;
1015 int line_width, pixel_size;
1016 int height;
1017 int col1, col2, color;
1018 int a;
1019 int i, j;
1020
1021 line_width = scp->sc->adp->va_line_width;
1022 pixel_size = scp->sc->adp->va_info.vi_pixel_size;
1023
1024 d = GET_PIXEL(scp, at, 8 * pixel_size, line_width) +
1025 (scp->font_size - scp->curs_attr.base - 1) * line_width;
1026
1027 a = sc_vtb_geta(&scp->vtb, at);
1028
1029 if (flip)
1030 a = vga_flipattr(a, FALSE);
1031 if (on)
1032 a = vga_cursorattr_adj(scp, a, FALSE);
1033 col1 = (a & 0x0f00) >> 8;
1034 col2 = a >> 12;
1035
1036 f = &(scp->font[sc_vtb_getc(&scp->vtb, at) * scp->font_size +
1037 scp->font_size - scp->curs_attr.base - 1]);
1038
1039 height = imin(scp->curs_attr.height, scp->font_size);
1040
1041 for (i = 0; i < height; ++i, --f) {
1042 for (j = 0; j < 8; ++j) {
1043 color = *f & (1 << (7 - j)) ? col1 : col2;
1044 DRAW_PIXEL(scp, d + pixel_size * j, color);
1045 }
1046
1047 d -= line_width;
1048 }
1049 }
1050
1051 static void
1052 draw_pxlcursor_planar(scr_stat *scp, int at, int on, int flip)
1053 {
1054 vm_offset_t d;
1055 u_char *f;
1056 int line_width;
1057 int height;
1058 int col;
1059 int a;
1060 int i;
1061
1062 line_width = scp->sc->adp->va_line_width;
1063
1064 d = GET_PIXEL(scp, at, 1, line_width) +
1065 (scp->font_size - scp->curs_attr.base - 1) * line_width;
1066
1067 outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
1068 outw(GDCIDX, 0x0003); /* data rotate/function select */
1069 outw(GDCIDX, 0x0f01); /* set/reset enable */
1070 /* set background color in EGA/VGA latch */
1071 a = sc_vtb_geta(&scp->vtb, at);
1072 if (flip)
1073 a = vga_flipattr(a, FALSE);
1074 if (on)
1075 a = vga_cursorattr_adj(scp, a, FALSE);
1076 col = (a & 0xf000) >> 4;
1077 outw(GDCIDX, col | 0x00); /* set/reset */
1078 outw(GDCIDX, 0xff08); /* bit mask */
1079 writeb(d, 0);
1080 (void)readb(d); /* set bg color in the latch */
1081 /* foreground color */
1082 col = a & 0x0f00;
1083 outw(GDCIDX, col | 0x00); /* set/reset */
1084 f = &(scp->font[sc_vtb_getc(&scp->vtb, at)*scp->font_size
1085 + scp->font_size - scp->curs_attr.base - 1]);
1086 height = imin(scp->curs_attr.height, scp->font_size);
1087 for (i = 0; i < height; ++i, --f) {
1088 outw(GDCIDX, (*f << 8) | 0x08); /* bit mask */
1089 writeb(d, 0);
1090 d -= line_width;
1091 }
1092 outw(GDCIDX, 0x0000); /* set/reset */
1093 outw(GDCIDX, 0x0001); /* set/reset enable */
1094 outw(GDCIDX, 0xff08); /* bit mask */
1095 }
1096
1097 static int pxlblinkrate = 0;
1098
1099 static void
1100 vga_pxlcursor_direct(scr_stat *scp, int at, int blink, int on, int flip)
1101 {
1102 if (scp->curs_attr.height <= 0) /* the text cursor is disabled */
1103 return;
1104
1105 if (on) {
1106 if (!blink) {
1107 scp->status |= VR_CURSOR_ON;
1108 draw_pxlcursor_direct(scp, at, on, flip);
1109 } else if (++pxlblinkrate & 4) {
1110 pxlblinkrate = 0;
1111 scp->status ^= VR_CURSOR_ON;
1112 draw_pxlcursor_direct(scp, at,
1113 scp->status & VR_CURSOR_ON,
1114 flip);
1115 }
1116 } else {
1117 if (scp->status & VR_CURSOR_ON)
1118 draw_pxlcursor_direct(scp, at, on, flip);
1119 scp->status &= ~VR_CURSOR_ON;
1120 }
1121 if (blink)
1122 scp->status |= VR_CURSOR_BLINK;
1123 else
1124 scp->status &= ~VR_CURSOR_BLINK;
1125 }
1126
1127 static void
1128 vga_pxlcursor_planar(scr_stat *scp, int at, int blink, int on, int flip)
1129 {
1130 if (scp->curs_attr.height <= 0) /* the text cursor is disabled */
1131 return;
1132
1133 if (on) {
1134 if (!blink) {
1135 scp->status |= VR_CURSOR_ON;
1136 draw_pxlcursor_planar(scp, at, on, flip);
1137 } else if (++pxlblinkrate & 4) {
1138 pxlblinkrate = 0;
1139 scp->status ^= VR_CURSOR_ON;
1140 draw_pxlcursor_planar(scp, at,
1141 scp->status & VR_CURSOR_ON,
1142 flip);
1143 }
1144 } else {
1145 if (scp->status & VR_CURSOR_ON)
1146 draw_pxlcursor_planar(scp, at, on, flip);
1147 scp->status &= ~VR_CURSOR_ON;
1148 }
1149 if (blink)
1150 scp->status |= VR_CURSOR_BLINK;
1151 else
1152 scp->status &= ~VR_CURSOR_BLINK;
1153 }
1154
1155 static void
1156 vga_pxlblink_direct(scr_stat *scp, int at, int flip)
1157 {
1158 if (!(scp->status & VR_CURSOR_BLINK))
1159 return;
1160 if (!(++pxlblinkrate & 4))
1161 return;
1162 pxlblinkrate = 0;
1163 scp->status ^= VR_CURSOR_ON;
1164 draw_pxlcursor_direct(scp, at, scp->status & VR_CURSOR_ON, flip);
1165 }
1166
1167 static void
1168 vga_pxlblink_planar(scr_stat *scp, int at, int flip)
1169 {
1170 if (!(scp->status & VR_CURSOR_BLINK))
1171 return;
1172 if (!(++pxlblinkrate & 4))
1173 return;
1174 pxlblinkrate = 0;
1175 scp->status ^= VR_CURSOR_ON;
1176 draw_pxlcursor_planar(scp, at, scp->status & VR_CURSOR_ON, flip);
1177 }
1178
1179 #ifndef SC_NO_CUTPASTE
1180
1181 static void
1182 draw_pxlmouse_planar(scr_stat *scp, int x, int y)
1183 {
1184 const struct mousedata *mdp;
1185 vm_offset_t p;
1186 int line_width;
1187 int xoff;
1188 int ymax;
1189 uint32_t m;
1190 int i, j, k;
1191 uint8_t m1;
1192
1193 mdp = scp->mouse_data;
1194 line_width = scp->sc->adp->va_line_width;
1195 xoff = (x - scp->xoff*8)%8;
1196 ymax = imin(y + mdp->md_height, scp->ypixel);
1197
1198 if (scp->sc->adp->va_type == KD_VGA) {
1199 outw(GDCIDX, 0x0305); /* read mode 0, write mode 3 */
1200 outw(GDCIDX, 0xff08); /* bit mask */
1201 } else
1202 outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
1203 outw(GDCIDX, 0x0003); /* data rotate/function select */
1204 outw(GDCIDX, 0x0f01); /* set/reset enable */
1205
1206 outw(GDCIDX, (scp->curs_attr.mouse_ba << 8) | 0x00); /* set/reset */
1207 p = scp->sc->adp->va_window + line_width*y + x/8;
1208 for (i = y, j = 0; i < ymax; ++i, ++j) {
1209 m = mdp->md_border[j] << 8 >> xoff;
1210 for (k = 0; k < 3; ++k) {
1211 m1 = m >> (8 * (2 - k));
1212 if (m1 != 0 && x + 8 * k < scp->xpixel) {
1213 readb(p + k);
1214 if (scp->sc->adp->va_type == KD_VGA)
1215 writeb(p + k, m1);
1216 else {
1217 /* bit mask: */
1218 outw(GDCIDX, (m1 << 8) | 0x08);
1219 writeb(p + k, 0);
1220 }
1221 }
1222 }
1223 p += line_width;
1224 }
1225 outw(GDCIDX, (scp->curs_attr.mouse_ia << 8) | 0x00); /* set/reset */
1226 p = scp->sc->adp->va_window + line_width*y + x/8;
1227 for (i = y, j = 0; i < ymax; ++i, ++j) {
1228 m = mdp->md_interior[j] << 8 >> xoff;
1229 for (k = 0; k < 3; ++k) {
1230 m1 = m >> (8 * (2 - k));
1231 if (m1 != 0 && x + 8 * k < scp->xpixel) {
1232 readb(p + k);
1233 if (scp->sc->adp->va_type == KD_VGA)
1234 writeb(p + k, m1);
1235 else {
1236 /* bit mask: */
1237 outw(GDCIDX, (m1 << 8) | 0x08);
1238 writeb(p + k, 0);
1239 }
1240 }
1241 }
1242 p += line_width;
1243 }
1244 if (scp->sc->adp->va_type == KD_VGA)
1245 outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
1246 else
1247 outw(GDCIDX, 0xff08); /* bit mask */
1248 outw(GDCIDX, 0x0000); /* set/reset */
1249 outw(GDCIDX, 0x0001); /* set/reset enable */
1250 }
1251
1252 static void
1253 remove_pxlmouse_planar(scr_stat *scp, int x, int y)
1254 {
1255 const struct mousedata *mdp;
1256 vm_offset_t p;
1257 int bx, by, i, line_width, xend, xoff, yend, yoff;
1258
1259 mdp = scp->mouse_data;
1260
1261 /*
1262 * It is only necessary to remove the mouse image where it overlaps
1263 * the border. Determine the overlap, and do nothing if it is empty.
1264 */
1265 bx = (scp->xoff + scp->xsize) * 8;
1266 by = (scp->yoff + scp->ysize) * scp->font_size;
1267 xend = imin(x + mdp->md_width, scp->xpixel);
1268 yend = imin(y + mdp->md_height, scp->ypixel);
1269 if (xend <= bx && yend <= by)
1270 return;
1271
1272 /* Repaint the non-empty overlap. */
1273 line_width = scp->sc->adp->va_line_width;
1274 outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */
1275 outw(GDCIDX, 0x0003); /* data rotate/function select */
1276 outw(GDCIDX, 0x0f01); /* set/reset enable */
1277 outw(GDCIDX, 0xff08); /* bit mask */
1278 outw(GDCIDX, (scp->border << 8) | 0x00); /* set/reset */
1279 for (i = x / 8, xoff = i * 8; xoff < xend; ++i, xoff += 8) {
1280 yoff = (xoff >= bx) ? y : by;
1281 p = scp->sc->adp->va_window + yoff * line_width + i;
1282 for (; yoff < yend; ++yoff, p += line_width)
1283 writeb(p, 0);
1284 }
1285 outw(GDCIDX, 0x0000); /* set/reset */
1286 outw(GDCIDX, 0x0001); /* set/reset enable */
1287 }
1288
1289 static void
1290 vga_pxlmouse_direct(scr_stat *scp, int x, int y, int on)
1291 {
1292 const struct mousedata *mdp;
1293 vm_offset_t p;
1294 int line_width, pixel_size;
1295 int xend, yend;
1296 int i, j;
1297
1298 mdp = scp->mouse_data;
1299
1300 /*
1301 * Determine overlap with the border and then if removing, do nothing
1302 * if the overlap is empty.
1303 */
1304 xend = imin(x + mdp->md_width, scp->xpixel);
1305 yend = imin(y + mdp->md_height, scp->ypixel);
1306 if (!on && xend <= (scp->xoff + scp->xsize) * 8 &&
1307 yend <= (scp->yoff + scp->ysize) * scp->font_size)
1308 return;
1309
1310 line_width = scp->sc->adp->va_line_width;
1311 pixel_size = scp->sc->adp->va_info.vi_pixel_size;
1312
1313 if (on)
1314 goto do_on;
1315
1316 /* Repaint overlap with the border (mess up the corner a little). */
1317 p = scp->sc->adp->va_window + y * line_width + x * pixel_size;
1318 for (i = 0; i < yend - y; i++, p += line_width)
1319 for (j = xend - x - 1; j >= 0; j--)
1320 DRAW_PIXEL(scp, p + j * pixel_size, scp->border);
1321
1322 return;
1323
1324 do_on:
1325 p = scp->sc->adp->va_window + y * line_width + x * pixel_size;
1326 for (i = 0; i < yend - y; i++, p += line_width)
1327 for (j = xend - x - 1; j >= 0; j--)
1328 if (mdp->md_interior[i] & (1 << (15 - j)))
1329 DRAW_PIXEL(scp, p + j * pixel_size,
1330 scp->curs_attr.mouse_ia);
1331 else if (mdp->md_border[i] & (1 << (15 - j)))
1332 DRAW_PIXEL(scp, p + j * pixel_size,
1333 scp->curs_attr.mouse_ba);
1334 }
1335
1336 static void
1337 vga_pxlmouse_planar(scr_stat *scp, int x, int y, int on)
1338 {
1339 if (on)
1340 draw_pxlmouse_planar(scp, x, y);
1341 else
1342 remove_pxlmouse_planar(scp, x, y);
1343 }
1344
1345 #endif /* SC_NO_CUTPASTE */
1346 #endif /* SC_PIXEL_MODE */
1347
1348 #ifndef SC_NO_MODE_CHANGE
1349
1350 /* graphics mode renderer */
1351
1352 static void
1353 vga_grborder(scr_stat *scp, int color)
1354 {
1355 vidd_set_border(scp->sc->adp, color);
1356 }
1357
1358 #endif
Cache object: f107bd93159fd06e650e1f59102eeed7
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