xref: /freebsd/sys/dev/syscons/scvgarndr.c (revision f4b37ed0f8b307b1f3f0f630ca725d68f1dff30d)
1 /*-
2  * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to The DragonFly Project
6  * by Sascha Wildner <saw@online.de>
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer as
13  *    the first lines of this file unmodified.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  */
30 
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #include "opt_syscons.h"
35 #include "opt_vga.h"
36 
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/module.h>
41 #include <sys/fbio.h>
42 #include <sys/consio.h>
43 
44 #include <machine/bus.h>
45 
46 #include <dev/fb/fbreg.h>
47 #include <dev/fb/vgareg.h>
48 #include <dev/syscons/syscons.h>
49 
50 #include <isa/isareg.h>
51 
52 #ifndef SC_RENDER_DEBUG
53 #define SC_RENDER_DEBUG		0
54 #endif
55 
56 static vr_clear_t		vga_txtclear;
57 static vr_draw_border_t		vga_txtborder;
58 static vr_draw_t		vga_txtdraw;
59 static vr_set_cursor_t		vga_txtcursor_shape;
60 static vr_draw_cursor_t		vga_txtcursor;
61 static vr_blink_cursor_t	vga_txtblink;
62 #ifndef SC_NO_CUTPASTE
63 static vr_draw_mouse_t		vga_txtmouse;
64 #else
65 #define vga_txtmouse		(vr_draw_mouse_t *)vga_nop
66 #endif
67 
68 #ifdef SC_PIXEL_MODE
69 static vr_init_t		vga_rndrinit;
70 static vr_clear_t		vga_pxlclear_direct;
71 static vr_clear_t		vga_pxlclear_planar;
72 static vr_draw_border_t		vga_pxlborder_direct;
73 static vr_draw_border_t		vga_pxlborder_planar;
74 static vr_draw_t		vga_egadraw;
75 static vr_draw_t		vga_vgadraw_direct;
76 static vr_draw_t		vga_vgadraw_planar;
77 static vr_set_cursor_t		vga_pxlcursor_shape;
78 static vr_draw_cursor_t		vga_pxlcursor_direct;
79 static vr_draw_cursor_t		vga_pxlcursor_planar;
80 static vr_blink_cursor_t	vga_pxlblink_direct;
81 static vr_blink_cursor_t	vga_pxlblink_planar;
82 #ifndef SC_NO_CUTPASTE
83 static vr_draw_mouse_t		vga_pxlmouse_direct;
84 static vr_draw_mouse_t		vga_pxlmouse_planar;
85 #else
86 #define vga_pxlmouse_direct	(vr_draw_mouse_t *)vga_nop
87 #define vga_pxlmouse_planar	(vr_draw_mouse_t *)vga_nop
88 #endif
89 #endif /* SC_PIXEL_MODE */
90 
91 #ifndef SC_NO_MODE_CHANGE
92 static vr_draw_border_t		vga_grborder;
93 #endif
94 
95 static void			vga_nop(scr_stat *scp);
96 
97 static sc_rndr_sw_t txtrndrsw = {
98 	(vr_init_t *)vga_nop,
99 	vga_txtclear,
100 	vga_txtborder,
101 	vga_txtdraw,
102 	vga_txtcursor_shape,
103 	vga_txtcursor,
104 	vga_txtblink,
105 	(vr_set_mouse_t *)vga_nop,
106 	vga_txtmouse,
107 };
108 RENDERER(mda, 0, txtrndrsw, vga_set);
109 RENDERER(cga, 0, txtrndrsw, vga_set);
110 RENDERER(ega, 0, txtrndrsw, vga_set);
111 RENDERER(vga, 0, txtrndrsw, vga_set);
112 
113 #ifdef SC_PIXEL_MODE
114 static sc_rndr_sw_t egarndrsw = {
115 	(vr_init_t *)vga_nop,
116 	vga_pxlclear_planar,
117 	vga_pxlborder_planar,
118 	vga_egadraw,
119 	vga_pxlcursor_shape,
120 	vga_pxlcursor_planar,
121 	vga_pxlblink_planar,
122 	(vr_set_mouse_t *)vga_nop,
123 	vga_pxlmouse_planar,
124 };
125 RENDERER(ega, PIXEL_MODE, egarndrsw, vga_set);
126 
127 static sc_rndr_sw_t vgarndrsw = {
128 	vga_rndrinit,
129 	(vr_clear_t *)vga_nop,
130 	(vr_draw_border_t *)vga_nop,
131 	(vr_draw_t *)vga_nop,
132 	vga_pxlcursor_shape,
133 	(vr_draw_cursor_t *)vga_nop,
134 	(vr_blink_cursor_t *)vga_nop,
135 	(vr_set_mouse_t *)vga_nop,
136 	(vr_draw_mouse_t *)vga_nop,
137 };
138 RENDERER(vga, PIXEL_MODE, vgarndrsw, vga_set);
139 #endif /* SC_PIXEL_MODE */
140 
141 #ifndef SC_NO_MODE_CHANGE
142 static sc_rndr_sw_t grrndrsw = {
143 	(vr_init_t *)vga_nop,
144 	(vr_clear_t *)vga_nop,
145 	vga_grborder,
146 	(vr_draw_t *)vga_nop,
147 	(vr_set_cursor_t *)vga_nop,
148 	(vr_draw_cursor_t *)vga_nop,
149 	(vr_blink_cursor_t *)vga_nop,
150 	(vr_set_mouse_t *)vga_nop,
151 	(vr_draw_mouse_t *)vga_nop,
152 };
153 RENDERER(cga, GRAPHICS_MODE, grrndrsw, vga_set);
154 RENDERER(ega, GRAPHICS_MODE, grrndrsw, vga_set);
155 RENDERER(vga, GRAPHICS_MODE, grrndrsw, vga_set);
156 #endif /* SC_NO_MODE_CHANGE */
157 
158 RENDERER_MODULE(vga, vga_set);
159 
160 #ifndef SC_NO_CUTPASTE
161 #if !defined(SC_ALT_MOUSE_IMAGE) || defined(SC_PIXEL_MODE)
162 static u_short mouse_and_mask[16] = {
163 	0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80,
164 	0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000
165 };
166 static u_short mouse_or_mask[16] = {
167 	0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800,
168 	0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000
169 };
170 #endif
171 #endif
172 
173 #ifdef SC_PIXEL_MODE
174 #define	GET_PIXEL(scp, pos, x, w)					\
175 ({									\
176 	(scp)->sc->adp->va_window +					\
177 	    (x) * (scp)->xoff +						\
178 	    (scp)->yoff * (scp)->font_size * (w) +			\
179 	    (x) * ((pos) % (scp)->xsize) +				\
180 	    (scp)->font_size * (w) * ((pos) / (scp)->xsize);		\
181 })
182 
183 #define	DRAW_PIXEL(scp, pos, color) do {				\
184 	switch ((scp)->sc->adp->va_info.vi_depth) {			\
185 	case 32:							\
186 		writel((pos), vga_palette32[color]);			\
187 		break;							\
188 	case 24:							\
189 		if (((pos) & 1) == 0) {					\
190 			writew((pos), vga_palette32[color]);		\
191 			writeb((pos) + 2, vga_palette32[color] >> 16);	\
192 		} else {						\
193 			writeb((pos), vga_palette32[color]);		\
194 			writew((pos) + 1, vga_palette32[color] >> 8);	\
195 		}							\
196 		break;							\
197 	case 16:							\
198 		if ((scp)->sc->adp->va_info.vi_pixel_fsizes[1] == 5)	\
199 			writew((pos), vga_palette15[color]);		\
200 		else							\
201 			writew((pos), vga_palette16[color]);		\
202 		break;							\
203 	case 15:							\
204 		writew((pos), vga_palette15[color]);			\
205 		break;							\
206 	case 8:								\
207 		writeb((pos), (uint8_t)(color));			\
208 	}								\
209 } while (0)
210 
211 static uint32_t vga_palette32[16] = {
212 	0x000000, 0x0000ad, 0x00ad00, 0x00adad,
213 	0xad0000, 0xad00ad, 0xad5200, 0xadadad,
214 	0x525252, 0x5252ff, 0x52ff52, 0x52ffff,
215 	0xff5252, 0xff52ff, 0xffff52, 0xffffff
216 };
217 
218 static uint16_t vga_palette16[16] = {
219 	0x0000, 0x0016, 0x0560, 0x0576, 0xb000, 0xb016, 0xb2a0, 0xb576,
220 	0x52aa, 0x52bf, 0x57ea, 0x57ff, 0xfaaa, 0xfabf, 0xffea, 0xffff
221 };
222 
223 static uint16_t vga_palette15[16] = {
224 	0x0000, 0x0016, 0x02c0, 0x02d6, 0x5800, 0x5816, 0x5940, 0x5ad6,
225 	0x294a, 0x295f, 0x2bea, 0x2bff, 0x7d4a, 0x7d5f, 0x7fea, 0x7fff
226 };
227 
228 #ifndef SC_NO_CUTPASTE
229 static uint32_t mouse_buf32[256];
230 static uint16_t mouse_buf16[256];
231 static uint8_t  mouse_buf8[256];
232 #endif
233 #endif
234 
235 static void
236 vga_nop(scr_stat *scp)
237 {
238 }
239 
240 /* text mode renderer */
241 
242 static void
243 vga_txtclear(scr_stat *scp, int c, int attr)
244 {
245 	sc_vtb_clear(&scp->scr, c, attr);
246 }
247 
248 static void
249 vga_txtborder(scr_stat *scp, int color)
250 {
251 	vidd_set_border(scp->sc->adp, color);
252 }
253 
254 static void
255 vga_txtdraw(scr_stat *scp, int from, int count, int flip)
256 {
257 	vm_offset_t p;
258 	int c;
259 	int a;
260 
261 	if (from + count > scp->xsize*scp->ysize)
262 		count = scp->xsize*scp->ysize - from;
263 
264 	if (flip) {
265 		for (p = sc_vtb_pointer(&scp->scr, from); count-- > 0; ++from) {
266 			c = sc_vtb_getc(&scp->vtb, from);
267 			a = sc_vtb_geta(&scp->vtb, from);
268 			a = (a & 0x8800) | ((a & 0x7000) >> 4)
269 				| ((a & 0x0700) << 4);
270 			p = sc_vtb_putchar(&scp->scr, p, c, a);
271 		}
272 	} else {
273 		sc_vtb_copy(&scp->vtb, from, &scp->scr, from, count);
274 	}
275 }
276 
277 static void
278 vga_txtcursor_shape(scr_stat *scp, int base, int height, int blink)
279 {
280 	if (base < 0 || base >= scp->font_size)
281 		return;
282 	/* the caller may set height <= 0 in order to disable the cursor */
283 #if 0
284 	scp->curs_attr.base = base;
285 	scp->curs_attr.height = height;
286 #endif
287 	vidd_set_hw_cursor_shape(scp->sc->adp, base, height,
288 	    scp->font_size, blink);
289 }
290 
291 static void
292 draw_txtcharcursor(scr_stat *scp, int at, u_short c, u_short a, int flip)
293 {
294 	sc_softc_t *sc;
295 
296 	sc = scp->sc;
297 	scp->cursor_saveunder_char = c;
298 	scp->cursor_saveunder_attr = a;
299 
300 #ifndef SC_NO_FONT_LOADING
301 	if (scp->curs_attr.flags & CONS_CHAR_CURSOR) {
302 		unsigned char *font;
303 		int h;
304 		int i;
305 
306 		if (scp->font_size < 14) {
307 			font = sc->font_8;
308 			h = 8;
309 		} else if (scp->font_size >= 16) {
310 			font = sc->font_16;
311 			h = 16;
312 		} else {
313 			font = sc->font_14;
314 			h = 14;
315 		}
316 		if (scp->curs_attr.base >= h)
317 			return;
318 		if (flip)
319 			a = (a & 0x8800)
320 				| ((a & 0x7000) >> 4) | ((a & 0x0700) << 4);
321 		bcopy(font + c*h, font + sc->cursor_char*h, h);
322 		font = font + sc->cursor_char*h;
323 		for (i = imax(h - scp->curs_attr.base - scp->curs_attr.height, 0);
324 			i < h - scp->curs_attr.base; ++i) {
325 			font[i] ^= 0xff;
326 		}
327 		/* XXX */
328 		vidd_load_font(sc->adp, 0, h, 8, font, sc->cursor_char, 1);
329 		sc_vtb_putc(&scp->scr, at, sc->cursor_char, a);
330 	} else
331 #endif /* SC_NO_FONT_LOADING */
332 	{
333 		if ((a & 0x7000) == 0x7000) {
334 			a &= 0x8f00;
335 			if ((a & 0x0700) == 0)
336 				a |= 0x0700;
337 		} else {
338 			a |= 0x7000;
339 			if ((a & 0x0700) == 0x0700)
340 				a &= 0xf000;
341 		}
342 		if (flip)
343 			a = (a & 0x8800)
344 				| ((a & 0x7000) >> 4) | ((a & 0x0700) << 4);
345 		sc_vtb_putc(&scp->scr, at, c, a);
346 	}
347 }
348 
349 static void
350 vga_txtcursor(scr_stat *scp, int at, int blink, int on, int flip)
351 {
352 	video_adapter_t *adp;
353 	int cursor_attr;
354 
355 	if (scp->curs_attr.height <= 0)	/* the text cursor is disabled */
356 		return;
357 
358 	adp = scp->sc->adp;
359 	if (blink) {
360 		scp->status |= VR_CURSOR_BLINK;
361 		if (on) {
362 			scp->status |= VR_CURSOR_ON;
363 			vidd_set_hw_cursor(adp, at%scp->xsize,
364 			    at/scp->xsize);
365 		} else {
366 			if (scp->status & VR_CURSOR_ON)
367 				vidd_set_hw_cursor(adp, -1, -1);
368 			scp->status &= ~VR_CURSOR_ON;
369 		}
370 	} else {
371 		scp->status &= ~VR_CURSOR_BLINK;
372 		if (on) {
373 			scp->status |= VR_CURSOR_ON;
374 			draw_txtcharcursor(scp, at,
375 					   sc_vtb_getc(&scp->scr, at),
376 					   sc_vtb_geta(&scp->scr, at),
377 					   flip);
378 		} else {
379 			cursor_attr = scp->cursor_saveunder_attr;
380 			if (flip)
381 				cursor_attr = (cursor_attr & 0x8800)
382 					| ((cursor_attr & 0x7000) >> 4)
383 					| ((cursor_attr & 0x0700) << 4);
384 			if (scp->status & VR_CURSOR_ON)
385 				sc_vtb_putc(&scp->scr, at,
386 					    scp->cursor_saveunder_char,
387 					    cursor_attr);
388 			scp->status &= ~VR_CURSOR_ON;
389 		}
390 	}
391 }
392 
393 static void
394 vga_txtblink(scr_stat *scp, int at, int flip)
395 {
396 }
397 
398 int sc_txtmouse_no_retrace_wait;
399 
400 #ifndef SC_NO_CUTPASTE
401 
402 static void
403 draw_txtmouse(scr_stat *scp, int x, int y)
404 {
405 #ifndef SC_ALT_MOUSE_IMAGE
406     if (ISMOUSEAVAIL(scp->sc->adp->va_flags)) {
407 	u_char font_buf[128];
408 	u_short cursor[32];
409 	u_char c;
410 	int pos;
411 	int xoffset, yoffset;
412 	int crtc_addr;
413 	int i;
414 
415 	/* prepare mousepointer char's bitmaps */
416 	pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
417 	bcopy(scp->font + sc_vtb_getc(&scp->scr, pos)*scp->font_size,
418 	      &font_buf[0], scp->font_size);
419 	bcopy(scp->font + sc_vtb_getc(&scp->scr, pos + 1)*scp->font_size,
420 	      &font_buf[32], scp->font_size);
421 	bcopy(scp->font
422 		 + sc_vtb_getc(&scp->scr, pos + scp->xsize)*scp->font_size,
423 	      &font_buf[64], scp->font_size);
424 	bcopy(scp->font
425 		 + sc_vtb_getc(&scp->scr, pos + scp->xsize + 1)*scp->font_size,
426 	      &font_buf[96], scp->font_size);
427 	for (i = 0; i < scp->font_size; ++i) {
428 		cursor[i] = font_buf[i]<<8 | font_buf[i+32];
429 		cursor[i + scp->font_size] = font_buf[i+64]<<8 | font_buf[i+96];
430 	}
431 
432 	/* now and-or in the mousepointer image */
433 	xoffset = x%8;
434 	yoffset = y%scp->font_size;
435 	for (i = 0; i < 16; ++i) {
436 		cursor[i + yoffset] =
437 	    		(cursor[i + yoffset] & ~(mouse_and_mask[i] >> xoffset))
438 	    		| (mouse_or_mask[i] >> xoffset);
439 	}
440 	for (i = 0; i < scp->font_size; ++i) {
441 		font_buf[i] = (cursor[i] & 0xff00) >> 8;
442 		font_buf[i + 32] = cursor[i] & 0xff;
443 		font_buf[i + 64] = (cursor[i + scp->font_size] & 0xff00) >> 8;
444 		font_buf[i + 96] = cursor[i + scp->font_size] & 0xff;
445 	}
446 
447 #if 1
448 	/* wait for vertical retrace to avoid jitter on some videocards */
449 	crtc_addr = scp->sc->adp->va_crtc_addr;
450 	while (!sc_txtmouse_no_retrace_wait &&
451 	    !(inb(crtc_addr + 6) & 0x08))
452 		/* idle */ ;
453 #endif
454 	c = scp->sc->mouse_char;
455 	vidd_load_font(scp->sc->adp, 0, 32, 8, font_buf, c, 4);
456 
457 	sc_vtb_putc(&scp->scr, pos, c, sc_vtb_geta(&scp->scr, pos));
458 	/* FIXME: may be out of range! */
459 	sc_vtb_putc(&scp->scr, pos + scp->xsize, c + 2,
460 		    sc_vtb_geta(&scp->scr, pos + scp->xsize));
461 	if (x < (scp->xsize - 1)*8) {
462 		sc_vtb_putc(&scp->scr, pos + 1, c + 1,
463 			    sc_vtb_geta(&scp->scr, pos + 1));
464 		sc_vtb_putc(&scp->scr, pos + scp->xsize + 1, c + 3,
465 			    sc_vtb_geta(&scp->scr, pos + scp->xsize + 1));
466 	}
467     } else
468 #endif /* SC_ALT_MOUSE_IMAGE */
469     {
470 	/* Red, magenta and brown are mapped to green to to keep it readable */
471 	static const int col_conv[16] = {
472 		6, 6, 6, 6, 2, 2, 2, 6, 14, 14, 14, 14, 10, 10, 10, 14
473 	};
474 	int pos;
475 	int color;
476 	int a;
477 
478 	pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
479 	a = sc_vtb_geta(&scp->scr, pos);
480 	if (scp->sc->adp->va_flags & V_ADP_COLOR)
481 		color = (col_conv[(a & 0xf000) >> 12] << 12)
482 			| ((a & 0x0f00) | 0x0800);
483 	else
484 		color = ((a & 0xf000) >> 4) | ((a & 0x0f00) << 4);
485 	sc_vtb_putc(&scp->scr, pos, sc_vtb_getc(&scp->scr, pos), color);
486     }
487 }
488 
489 static void
490 remove_txtmouse(scr_stat *scp, int x, int y)
491 {
492 }
493 
494 static void
495 vga_txtmouse(scr_stat *scp, int x, int y, int on)
496 {
497 	if (on)
498 		draw_txtmouse(scp, x, y);
499 	else
500 		remove_txtmouse(scp, x, y);
501 }
502 
503 #endif /* SC_NO_CUTPASTE */
504 
505 #ifdef SC_PIXEL_MODE
506 
507 /* pixel (raster text) mode renderer */
508 
509 static void
510 vga_rndrinit(scr_stat *scp)
511 {
512 	if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PLANAR) {
513 		scp->rndr->clear = vga_pxlclear_planar;
514 		scp->rndr->draw_border = vga_pxlborder_planar;
515 		scp->rndr->draw = vga_vgadraw_planar;
516 		scp->rndr->draw_cursor = vga_pxlcursor_planar;
517 		scp->rndr->blink_cursor = vga_pxlblink_planar;
518 		scp->rndr->draw_mouse = vga_pxlmouse_planar;
519 	} else
520 	if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT ||
521 	    scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PACKED) {
522 		scp->rndr->clear = vga_pxlclear_direct;
523 		scp->rndr->draw_border = vga_pxlborder_direct;
524 		scp->rndr->draw = vga_vgadraw_direct;
525 		scp->rndr->draw_cursor = vga_pxlcursor_direct;
526 		scp->rndr->blink_cursor = vga_pxlblink_direct;
527 		scp->rndr->draw_mouse = vga_pxlmouse_direct;
528 	}
529 }
530 
531 static void
532 vga_pxlclear_direct(scr_stat *scp, int c, int attr)
533 {
534 	vm_offset_t p;
535 	int line_width;
536 	int pixel_size;
537 	int lines;
538 	int i;
539 
540 	line_width = scp->sc->adp->va_line_width;
541 	pixel_size = scp->sc->adp->va_info.vi_pixel_size;
542 	lines = scp->ysize * scp->font_size;
543 	p = scp->sc->adp->va_window +
544 	    line_width * scp->yoff * scp->font_size +
545 	    scp->xoff * 8 * pixel_size;
546 
547 	for (i = 0; i < lines; ++i) {
548 		bzero_io((void *)p, scp->xsize * 8 * pixel_size);
549 		p += line_width;
550 	}
551 }
552 
553 static void
554 vga_pxlclear_planar(scr_stat *scp, int c, int attr)
555 {
556 	vm_offset_t p;
557 	int line_width;
558 	int lines;
559 	int i;
560 
561 	/* XXX: we are just filling the screen with the background color... */
562 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
563 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
564 	outw(GDCIDX, 0x0f01);		/* set/reset enable */
565 	outw(GDCIDX, 0xff08);		/* bit mask */
566 	outw(GDCIDX, ((attr & 0xf000) >> 4) | 0x00); /* set/reset */
567 	line_width = scp->sc->adp->va_line_width;
568 	lines = scp->ysize*scp->font_size;
569 	p = scp->sc->adp->va_window + line_width*scp->yoff*scp->font_size
570 		+ scp->xoff;
571 	for (i = 0; i < lines; ++i) {
572 		bzero_io((void *)p, scp->xsize);
573 		p += line_width;
574 	}
575 	outw(GDCIDX, 0x0000);		/* set/reset */
576 	outw(GDCIDX, 0x0001);		/* set/reset enable */
577 }
578 
579 static void
580 vga_pxlborder_direct(scr_stat *scp, int color)
581 {
582 	vm_offset_t s;
583 	vm_offset_t e;
584 	vm_offset_t f;
585 	int line_width;
586 	int pixel_size;
587 	int x;
588 	int y;
589 	int i;
590 
591 	line_width = scp->sc->adp->va_line_width;
592 	pixel_size = scp->sc->adp->va_info.vi_pixel_size;
593 
594 	if (scp->yoff > 0) {
595 		s = scp->sc->adp->va_window;
596 		e = s + line_width * scp->yoff * scp->font_size;
597 
598 		for (f = s; f < e; f += pixel_size)
599 			DRAW_PIXEL(scp, f, color);
600 	}
601 
602 	y = (scp->yoff + scp->ysize) * scp->font_size;
603 
604 	if (scp->ypixel > y) {
605 		s = scp->sc->adp->va_window + line_width * y;
606 		e = s + line_width * (scp->ypixel - y);
607 
608 		for (f = s; f < e; f += pixel_size)
609 			DRAW_PIXEL(scp, f, color);
610 	}
611 
612 	y = scp->yoff * scp->font_size;
613 	x = scp->xpixel / 8 - scp->xoff - scp->xsize;
614 
615 	for (i = 0; i < scp->ysize * scp->font_size; ++i) {
616 		if (scp->xoff > 0) {
617 			s = scp->sc->adp->va_window + line_width * (y + i);
618 			e = s + scp->xoff * 8 * pixel_size;
619 
620 			for (f = s; f < e; f += pixel_size)
621 				DRAW_PIXEL(scp, f, color);
622 		}
623 
624 		if (x > 0) {
625 			s = scp->sc->adp->va_window + line_width * (y + i) +
626 			    scp->xoff * 8 * pixel_size +
627 			    scp->xsize * 8 * pixel_size;
628 			e = s + x * 8 * pixel_size;
629 
630 			for (f = s; f < e; f += pixel_size)
631 				DRAW_PIXEL(scp, f, color);
632 		}
633 	}
634 }
635 
636 static void
637 vga_pxlborder_planar(scr_stat *scp, int color)
638 {
639 	vm_offset_t p;
640 	int line_width;
641 	int x;
642 	int y;
643 	int i;
644 
645 	vidd_set_border(scp->sc->adp, color);
646 
647 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
648 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
649 	outw(GDCIDX, 0x0f01);		/* set/reset enable */
650 	outw(GDCIDX, 0xff08);		/* bit mask */
651 	outw(GDCIDX, (color << 8) | 0x00);	/* set/reset */
652 	line_width = scp->sc->adp->va_line_width;
653 	p = scp->sc->adp->va_window;
654 	if (scp->yoff > 0)
655 		bzero_io((void *)p, line_width*scp->yoff*scp->font_size);
656 	y = (scp->yoff + scp->ysize)*scp->font_size;
657 	if (scp->ypixel > y)
658 		bzero_io((void *)(p + line_width*y), line_width*(scp->ypixel - y));
659 	y = scp->yoff*scp->font_size;
660 	x = scp->xpixel/8 - scp->xoff - scp->xsize;
661 	for (i = 0; i < scp->ysize*scp->font_size; ++i) {
662 		if (scp->xoff > 0)
663 			bzero_io((void *)(p + line_width*(y + i)), scp->xoff);
664 		if (x > 0)
665 			bzero_io((void *)(p + line_width*(y + i)
666 				     + scp->xoff + scp->xsize), x);
667 	}
668 	outw(GDCIDX, 0x0000);		/* set/reset */
669 	outw(GDCIDX, 0x0001);		/* set/reset enable */
670 }
671 
672 static void
673 vga_egadraw(scr_stat *scp, int from, int count, int flip)
674 {
675 	vm_offset_t d;
676 	vm_offset_t e;
677 	u_char *f;
678 	u_short bg;
679 	u_short col1, col2;
680 	int line_width;
681 	int i, j;
682 	int a;
683 	u_char c;
684 
685 	line_width = scp->sc->adp->va_line_width;
686 
687 	d = GET_PIXEL(scp, from, 1, line_width);
688 
689 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
690 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
691 	outw(GDCIDX, 0x0f01);		/* set/reset enable */
692 	bg = -1;
693 	if (from + count > scp->xsize*scp->ysize)
694 		count = scp->xsize*scp->ysize - from;
695 	for (i = from; count-- > 0; ++i) {
696 		a = sc_vtb_geta(&scp->vtb, i);
697 		if (flip) {
698 			col1 = ((a & 0x7000) >> 4) | (a & 0x0800);
699 			col2 = ((a & 0x8000) >> 4) | (a & 0x0700);
700 		} else {
701 			col1 = (a & 0x0f00);
702 			col2 = (a & 0xf000) >> 4;
703 		}
704 		/* set background color in EGA/VGA latch */
705 		if (bg != col2) {
706 			bg = col2;
707 			outw(GDCIDX, bg | 0x00);	/* set/reset */
708 			outw(GDCIDX, 0xff08);		/* bit mask */
709 			writeb(d, 0);
710 			c = readb(d);	/* set bg color in the latch */
711 		}
712 		/* foreground color */
713 		outw(GDCIDX, col1 | 0x00);		/* set/reset */
714 		e = d;
715 		f = &(scp->font[sc_vtb_getc(&scp->vtb, i)*scp->font_size]);
716 		for (j = 0; j < scp->font_size; ++j, ++f) {
717 			outw(GDCIDX, (*f << 8) | 0x08);	/* bit mask */
718 	        	writeb(e, 0);
719 			e += line_width;
720 		}
721 		++d;
722 		if ((i % scp->xsize) == scp->xsize - 1)
723 			d += scp->font_size * line_width - scp->xsize;
724 	}
725 	outw(GDCIDX, 0x0000);		/* set/reset */
726 	outw(GDCIDX, 0x0001);		/* set/reset enable */
727 	outw(GDCIDX, 0xff08);		/* bit mask */
728 }
729 
730 static void
731 vga_vgadraw_direct(scr_stat *scp, int from, int count, int flip)
732 {
733 	vm_offset_t d;
734 	vm_offset_t e;
735 	u_char *f;
736 	u_short col1, col2, color;
737 	int line_width, pixel_size;
738 	int i, j, k;
739 	int a;
740 
741 	line_width = scp->sc->adp->va_line_width;
742 	pixel_size = scp->sc->adp->va_info.vi_pixel_size;
743 
744 	d = GET_PIXEL(scp, from, 8 * pixel_size, line_width);
745 
746 	if (from + count > scp->xsize * scp->ysize)
747 		count = scp->xsize * scp->ysize - from;
748 
749 	for (i = from; count-- > 0; ++i) {
750 		a = sc_vtb_geta(&scp->vtb, i);
751 
752 		if (flip) {
753 			col1 = (((a & 0x7000) >> 4) | (a & 0x0800)) >> 8;
754 			col2 = (((a & 0x8000) >> 4) | (a & 0x0700)) >> 8;
755 		} else {
756 			col1 = (a & 0x0f00) >> 8;
757 			col2 = (a & 0xf000) >> 12;
758 		}
759 
760 		e = d;
761 		f = &(scp->font[sc_vtb_getc(&scp->vtb, i) * scp->font_size]);
762 
763 		for (j = 0; j < scp->font_size; ++j, ++f) {
764 			for (k = 0; k < 8; ++k) {
765 				color = *f & (1 << (7 - k)) ? col1 : col2;
766 				DRAW_PIXEL(scp, e + pixel_size * k, color);
767 			}
768 
769 			e += line_width;
770 		}
771 
772 		d += 8 * pixel_size;
773 
774 		if ((i % scp->xsize) == scp->xsize - 1)
775 			d += scp->font_size * line_width -
776 			    scp->xsize * 8 * pixel_size;
777 	}
778 }
779 
780 static void
781 vga_vgadraw_planar(scr_stat *scp, int from, int count, int flip)
782 {
783 	vm_offset_t d;
784 	vm_offset_t e;
785 	u_char *f;
786 	u_short bg;
787 	u_short col1, col2;
788 	int line_width;
789 	int i, j;
790 	int a;
791 	u_char c;
792 
793 	line_width = scp->sc->adp->va_line_width;
794 
795 	d = GET_PIXEL(scp, from, 1, line_width);
796 
797 	outw(GDCIDX, 0x0305);		/* read mode 0, write mode 3 */
798 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
799 	outw(GDCIDX, 0x0f01);		/* set/reset enable */
800 	outw(GDCIDX, 0xff08);		/* bit mask */
801 	bg = -1;
802 	if (from + count > scp->xsize*scp->ysize)
803 		count = scp->xsize*scp->ysize - from;
804 	for (i = from; count-- > 0; ++i) {
805 		a = sc_vtb_geta(&scp->vtb, i);
806 		if (flip) {
807 			col1 = ((a & 0x7000) >> 4) | (a & 0x0800);
808 			col2 = ((a & 0x8000) >> 4) | (a & 0x0700);
809 		} else {
810 			col1 = (a & 0x0f00);
811 			col2 = (a & 0xf000) >> 4;
812 		}
813 		/* set background color in EGA/VGA latch */
814 		if (bg != col2) {
815 			bg = col2;
816 			outw(GDCIDX, 0x0005);	/* read mode 0, write mode 0 */
817 			outw(GDCIDX, bg | 0x00); /* set/reset */
818 			writeb(d, 0);
819 			c = readb(d);		/* set bg color in the latch */
820 			outw(GDCIDX, 0x0305);	/* read mode 0, write mode 3 */
821 		}
822 		/* foreground color */
823 		outw(GDCIDX, col1 | 0x00);	/* set/reset */
824 		e = d;
825 		f = &(scp->font[sc_vtb_getc(&scp->vtb, i)*scp->font_size]);
826 		for (j = 0; j < scp->font_size; ++j, ++f) {
827 	        	writeb(e, *f);
828 			e += line_width;
829 		}
830 		++d;
831 		if ((i % scp->xsize) == scp->xsize - 1)
832 			d += scp->font_size * line_width - scp->xsize;
833 	}
834 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
835 	outw(GDCIDX, 0x0000);		/* set/reset */
836 	outw(GDCIDX, 0x0001);		/* set/reset enable */
837 }
838 
839 static void
840 vga_pxlcursor_shape(scr_stat *scp, int base, int height, int blink)
841 {
842 	if (base < 0 || base >= scp->font_size)
843 		return;
844 	/* the caller may set height <= 0 in order to disable the cursor */
845 #if 0
846 	scp->curs_attr.base = base;
847 	scp->curs_attr.height = height;
848 #endif
849 }
850 
851 static void
852 draw_pxlcursor_direct(scr_stat *scp, int at, int on, int flip)
853 {
854 	vm_offset_t d;
855 	u_char *f;
856 	int line_width, pixel_size;
857 	int height;
858 	int col1, col2, color;
859 	int a;
860 	int i, j;
861 
862 	line_width = scp->sc->adp->va_line_width;
863 	pixel_size = scp->sc->adp->va_info.vi_pixel_size;
864 
865 	d = GET_PIXEL(scp, at, 8 * pixel_size, line_width) +
866 	    (scp->font_size - scp->curs_attr.base - 1) * line_width;
867 
868 	a = sc_vtb_geta(&scp->vtb, at);
869 
870 	if (flip) {
871 		col1 = ((on) ? (a & 0x0f00) : ((a & 0xf000) >> 4)) >> 8;
872 		col2 = ((on) ? ((a & 0xf000) >> 4) : (a & 0x0f00)) >> 8;
873 	} else {
874 		col1 = ((on) ? ((a & 0xf000) >> 4) : (a & 0x0f00)) >> 8;
875 		col2 = ((on) ? (a & 0x0f00) : ((a & 0xf000) >> 4)) >> 8;
876 	}
877 
878 	f = &(scp->font[sc_vtb_getc(&scp->vtb, at) * scp->font_size +
879 	      scp->font_size - scp->curs_attr.base - 1]);
880 
881 	height = imin(scp->curs_attr.height, scp->font_size);
882 
883 	for (i = 0; i < height; ++i, --f) {
884 		for (j = 0; j < 8; ++j) {
885 			color = *f & (1 << (7 - j)) ? col1 : col2;
886 			DRAW_PIXEL(scp, d + pixel_size * j, color);
887 		}
888 
889 		d -= line_width;
890 	}
891 }
892 
893 static void
894 draw_pxlcursor_planar(scr_stat *scp, int at, int on, int flip)
895 {
896 	vm_offset_t d;
897 	u_char *f;
898 	int line_width;
899 	int height;
900 	int col;
901 	int a;
902 	int i;
903 	u_char c;
904 
905 	line_width = scp->sc->adp->va_line_width;
906 
907 	d = GET_PIXEL(scp, at, 1, line_width) +
908 	    (scp->font_size - scp->curs_attr.base - 1) * line_width;
909 
910 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
911 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
912 	outw(GDCIDX, 0x0f01);		/* set/reset enable */
913 	/* set background color in EGA/VGA latch */
914 	a = sc_vtb_geta(&scp->vtb, at);
915 	if (flip)
916 		col = (on) ? ((a & 0xf000) >> 4) : (a & 0x0f00);
917 	else
918 		col = (on) ? (a & 0x0f00) : ((a & 0xf000) >> 4);
919 	outw(GDCIDX, col | 0x00);	/* set/reset */
920 	outw(GDCIDX, 0xff08);		/* bit mask */
921 	writeb(d, 0);
922 	c = readb(d);			/* set bg color in the latch */
923 	/* foreground color */
924 	if (flip)
925 		col = (on) ? (a & 0x0f00) : ((a & 0xf000) >> 4);
926 	else
927 		col = (on) ? ((a & 0xf000) >> 4) : (a & 0x0f00);
928 	outw(GDCIDX, col | 0x00);	/* set/reset */
929 	f = &(scp->font[sc_vtb_getc(&scp->vtb, at)*scp->font_size
930 		+ scp->font_size - scp->curs_attr.base - 1]);
931 	height = imin(scp->curs_attr.height, scp->font_size);
932 	for (i = 0; i < height; ++i, --f) {
933 		outw(GDCIDX, (*f << 8) | 0x08);	/* bit mask */
934 	       	writeb(d, 0);
935 		d -= line_width;
936 	}
937 	outw(GDCIDX, 0x0000);		/* set/reset */
938 	outw(GDCIDX, 0x0001);		/* set/reset enable */
939 	outw(GDCIDX, 0xff08);		/* bit mask */
940 }
941 
942 static int pxlblinkrate = 0;
943 
944 static void
945 vga_pxlcursor_direct(scr_stat *scp, int at, int blink, int on, int flip)
946 {
947 	if (scp->curs_attr.height <= 0)	/* the text cursor is disabled */
948 		return;
949 
950 	if (on) {
951 		if (!blink) {
952 			scp->status |= VR_CURSOR_ON;
953 			draw_pxlcursor_direct(scp, at, on, flip);
954 		} else if (++pxlblinkrate & 4) {
955 			pxlblinkrate = 0;
956 			scp->status ^= VR_CURSOR_ON;
957 			draw_pxlcursor_direct(scp, at,
958 					      scp->status & VR_CURSOR_ON,
959 					      flip);
960 		}
961 	} else {
962 		if (scp->status & VR_CURSOR_ON)
963 			draw_pxlcursor_direct(scp, at, on, flip);
964 		scp->status &= ~VR_CURSOR_ON;
965 	}
966 	if (blink)
967 		scp->status |= VR_CURSOR_BLINK;
968 	else
969 		scp->status &= ~VR_CURSOR_BLINK;
970 }
971 
972 static void
973 vga_pxlcursor_planar(scr_stat *scp, int at, int blink, int on, int flip)
974 {
975 	if (scp->curs_attr.height <= 0)	/* the text cursor is disabled */
976 		return;
977 
978 	if (on) {
979 		if (!blink) {
980 			scp->status |= VR_CURSOR_ON;
981 			draw_pxlcursor_planar(scp, at, on, flip);
982 		} else if (++pxlblinkrate & 4) {
983 			pxlblinkrate = 0;
984 			scp->status ^= VR_CURSOR_ON;
985 			draw_pxlcursor_planar(scp, at,
986 					      scp->status & VR_CURSOR_ON,
987 					      flip);
988 		}
989 	} else {
990 		if (scp->status & VR_CURSOR_ON)
991 			draw_pxlcursor_planar(scp, at, on, flip);
992 		scp->status &= ~VR_CURSOR_ON;
993 	}
994 	if (blink)
995 		scp->status |= VR_CURSOR_BLINK;
996 	else
997 		scp->status &= ~VR_CURSOR_BLINK;
998 }
999 
1000 static void
1001 vga_pxlblink_direct(scr_stat *scp, int at, int flip)
1002 {
1003 	if (!(scp->status & VR_CURSOR_BLINK))
1004 		return;
1005 	if (!(++pxlblinkrate & 4))
1006 		return;
1007 	pxlblinkrate = 0;
1008 	scp->status ^= VR_CURSOR_ON;
1009 	draw_pxlcursor_direct(scp, at, scp->status & VR_CURSOR_ON, flip);
1010 }
1011 
1012 static void
1013 vga_pxlblink_planar(scr_stat *scp, int at, int flip)
1014 {
1015 	if (!(scp->status & VR_CURSOR_BLINK))
1016 		return;
1017 	if (!(++pxlblinkrate & 4))
1018 		return;
1019 	pxlblinkrate = 0;
1020 	scp->status ^= VR_CURSOR_ON;
1021 	draw_pxlcursor_planar(scp, at, scp->status & VR_CURSOR_ON, flip);
1022 }
1023 
1024 #ifndef SC_NO_CUTPASTE
1025 
1026 static void
1027 draw_pxlmouse_planar(scr_stat *scp, int x, int y)
1028 {
1029 	vm_offset_t p;
1030 	int line_width;
1031 	int xoff, yoff;
1032 	int ymax;
1033 	u_short m;
1034 	int i, j;
1035 
1036 	line_width = scp->sc->adp->va_line_width;
1037 	xoff = (x - scp->xoff*8)%8;
1038 	yoff = y - (y/line_width)*line_width;
1039 	ymax = imin(y + 16, scp->ypixel);
1040 
1041 	outw(GDCIDX, 0x0805);		/* read mode 1, write mode 0 */
1042 	outw(GDCIDX, 0x0001);		/* set/reset enable */
1043 	outw(GDCIDX, 0x0002);		/* color compare */
1044 	outw(GDCIDX, 0x0007);		/* color don't care */
1045 	outw(GDCIDX, 0xff08);		/* bit mask */
1046 	outw(GDCIDX, 0x0803);		/* data rotate/function select (and) */
1047 	p = scp->sc->adp->va_window + line_width*y + x/8;
1048 	if (x < scp->xpixel - 8) {
1049 		for (i = y, j = 0; i < ymax; ++i, ++j) {
1050 			m = ~(mouse_and_mask[j] >> xoff);
1051 #if defined(__i386__) || defined(__amd64__)
1052 			*(u_char *)p &= m >> 8;
1053 			*(u_char *)(p + 1) &= m;
1054 #else
1055 			writeb(p, readb(p) & (m >> 8));
1056 			writeb(p + 1, readb(p + 1) & (m >> 8));
1057 #endif
1058 			p += line_width;
1059 		}
1060 	} else {
1061 		xoff += 8;
1062 		for (i = y, j = 0; i < ymax; ++i, ++j) {
1063 			m = ~(mouse_and_mask[j] >> xoff);
1064 #if defined(__i386__) || defined(__amd64__)
1065 			*(u_char *)p &= m;
1066 #else
1067 			writeb(p, readb(p) & (m >> 8));
1068 #endif
1069 			p += line_width;
1070 		}
1071 	}
1072 	outw(GDCIDX, 0x1003);		/* data rotate/function select (or) */
1073 	p = scp->sc->adp->va_window + line_width*y + x/8;
1074 	if (x < scp->xpixel - 8) {
1075 		for (i = y, j = 0; i < ymax; ++i, ++j) {
1076 			m = mouse_or_mask[j] >> xoff;
1077 #if defined(__i386__) || defined(__amd64__)
1078 			*(u_char *)p &= m >> 8;
1079 			*(u_char *)(p + 1) &= m;
1080 #else
1081 			writeb(p, readb(p) & (m >> 8));
1082 			writeb(p + 1, readb(p + 1) & (m >> 8));
1083 #endif
1084 			p += line_width;
1085 		}
1086 	} else {
1087 		for (i = y, j = 0; i < ymax; ++i, ++j) {
1088 			m = mouse_or_mask[j] >> xoff;
1089 #if defined(__i386__) || defined(__amd64__)
1090 			*(u_char *)p &= m;
1091 #else
1092 			writeb(p, readb(p) & (m >> 8));
1093 #endif
1094 			p += line_width;
1095 		}
1096 	}
1097 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
1098 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
1099 }
1100 
1101 static void
1102 remove_pxlmouse_planar(scr_stat *scp, int x, int y)
1103 {
1104 	vm_offset_t p;
1105 	int col, row;
1106 	int pos;
1107 	int line_width;
1108 	int ymax;
1109 	int i;
1110 
1111 	/* erase the mouse cursor image */
1112 	col = x/8 - scp->xoff;
1113 	row = y/scp->font_size - scp->yoff;
1114 	pos = row*scp->xsize + col;
1115 	i = (col < scp->xsize - 1) ? 2 : 1;
1116 	(*scp->rndr->draw)(scp, pos, i, FALSE);
1117 	if (row < scp->ysize - 1)
1118 		(*scp->rndr->draw)(scp, pos + scp->xsize, i, FALSE);
1119 
1120 	/* paint border if necessary */
1121 	line_width = scp->sc->adp->va_line_width;
1122 	outw(GDCIDX, 0x0005);		/* read mode 0, write mode 0 */
1123 	outw(GDCIDX, 0x0003);		/* data rotate/function select */
1124 	outw(GDCIDX, 0x0f01);		/* set/reset enable */
1125 	outw(GDCIDX, 0xff08);		/* bit mask */
1126 	outw(GDCIDX, (scp->border << 8) | 0x00);	/* set/reset */
1127 	if (row == scp->ysize - 1) {
1128 		i = (scp->ysize + scp->yoff)*scp->font_size;
1129 		ymax = imin(i + scp->font_size, scp->ypixel);
1130 		p = scp->sc->adp->va_window + i*line_width + scp->xoff + col;
1131 		if (col < scp->xsize - 1) {
1132 			for (; i < ymax; ++i) {
1133 				writeb(p, 0);
1134 				writeb(p + 1, 0);
1135 				p += line_width;
1136 			}
1137 		} else {
1138 			for (; i < ymax; ++i) {
1139 				writeb(p, 0);
1140 				p += line_width;
1141 			}
1142 		}
1143 	}
1144 	if ((col == scp->xsize - 1) && (scp->xoff > 0)) {
1145 		i = (row + scp->yoff)*scp->font_size;
1146 		ymax = imin(i + scp->font_size*2, scp->ypixel);
1147 		p = scp->sc->adp->va_window + i*line_width
1148 			+ scp->xoff + scp->xsize;
1149 		for (; i < ymax; ++i) {
1150 			writeb(p, 0);
1151 			p += line_width;
1152 		}
1153 	}
1154 	outw(GDCIDX, 0x0000);		/* set/reset */
1155 	outw(GDCIDX, 0x0001);		/* set/reset enable */
1156 }
1157 
1158 static void
1159 vga_pxlmouse_direct(scr_stat *scp, int x, int y, int on)
1160 {
1161 	vm_offset_t p;
1162 	int line_width, pixel_size;
1163 	int xend, yend;
1164 	static int x_old = 0, xend_old = 0;
1165 	static int y_old = 0, yend_old = 0;
1166 	int i, j;
1167 	uint32_t *u32;
1168 	uint16_t *u16;
1169 	uint8_t  *u8;
1170 	int bpp;
1171 
1172 	if (!on)
1173 		return;
1174 
1175 	bpp = scp->sc->adp->va_info.vi_depth;
1176 
1177 	if ((bpp == 16) && (scp->sc->adp->va_info.vi_pixel_fsizes[1] == 5))
1178 		bpp = 15;
1179 
1180 	line_width = scp->sc->adp->va_line_width;
1181 	pixel_size = scp->sc->adp->va_info.vi_pixel_size;
1182 
1183 	xend = imin(x + 16, scp->xpixel);
1184 	yend = imin(y + 16, scp->ypixel);
1185 
1186 	p = scp->sc->adp->va_window + y_old * line_width + x_old * pixel_size;
1187 
1188 	for (i = 0; i < (yend_old - y_old); i++) {
1189 		for (j = (xend_old - x_old - 1); j >= 0; j--) {
1190 			switch (bpp) {
1191 			case 32:
1192 				u32 = (uint32_t*)(p + j * pixel_size);
1193 				writel(u32, mouse_buf32[i * 16 + j]);
1194 				break;
1195 			case 16:
1196 				/* FALLTHROUGH */
1197 			case 15:
1198 				u16 = (uint16_t*)(p + j * pixel_size);
1199 				writew(u16, mouse_buf16[i * 16 + j]);
1200 				break;
1201 			case 8:
1202 				u8 = (uint8_t*)(p + j * pixel_size);
1203 				writeb(u8, mouse_buf8[i * 16 + j]);
1204 				break;
1205 			}
1206 		}
1207 
1208 		p += line_width;
1209 	}
1210 
1211 	p = scp->sc->adp->va_window + y * line_width + x * pixel_size;
1212 
1213 	for (i = 0; i < (yend - y); i++) {
1214 		for (j = (xend - x - 1); j >= 0; j--) {
1215 			switch (bpp) {
1216 			case 32:
1217 				u32 = (uint32_t*)(p + j * pixel_size);
1218 				mouse_buf32[i * 16 + j] = *u32;
1219 				if (mouse_or_mask[i] & (1 << (15 - j)))
1220 					writel(u32, vga_palette32[15]);
1221 				else if (mouse_and_mask[i] & (1 << (15 - j)))
1222 					writel(u32, 0);
1223 				break;
1224 			case 16:
1225 				u16 = (uint16_t*)(p + j * pixel_size);
1226 				mouse_buf16[i * 16 + j] = *u16;
1227 				if (mouse_or_mask[i] & (1 << (15 - j)))
1228 					writew(u16, vga_palette16[15]);
1229 				else if (mouse_and_mask[i] & (1 << (15 - j)))
1230 					writew(u16, 0);
1231 				break;
1232 			case 15:
1233 				u16 = (uint16_t*)(p  + j * pixel_size);
1234 				mouse_buf16[i * 16 + j] = *u16;
1235 				if (mouse_or_mask[i] & (1 << (15 - j)))
1236 					writew(u16, vga_palette15[15]);
1237 				else if (mouse_and_mask[i] & (1 << (15 - j)))
1238 					writew(u16, 0);
1239 				break;
1240 			case 8:
1241 				u8 = (uint8_t*)(p + j * pixel_size);
1242 				mouse_buf8[i * 16 + j] = *u8;
1243 				if (mouse_or_mask[i] & (1 << (15 - j)))
1244 					writeb(u8, 15);
1245 				else if (mouse_and_mask[i] & (1 << (15 - j)))
1246 					writeb(u8, 0);
1247 				break;
1248 			}
1249 		}
1250 
1251 		p += line_width;
1252 	}
1253 
1254 	x_old = x;
1255 	y_old = y;
1256 	xend_old = xend;
1257 	yend_old = yend;
1258 }
1259 
1260 static void
1261 vga_pxlmouse_planar(scr_stat *scp, int x, int y, int on)
1262 {
1263 	if (on)
1264 		draw_pxlmouse_planar(scp, x, y);
1265 	else
1266 		remove_pxlmouse_planar(scp, x, y);
1267 }
1268 
1269 #endif /* SC_NO_CUTPASTE */
1270 #endif /* SC_PIXEL_MODE */
1271 
1272 #ifndef SC_NO_MODE_CHANGE
1273 
1274 /* graphics mode renderer */
1275 
1276 static void
1277 vga_grborder(scr_stat *scp, int color)
1278 {
1279 	vidd_set_border(scp->sc->adp, color);
1280 }
1281 
1282 #endif
1283