summaryrefslogtreecommitdiff
path: root/sys/dev/rasops/rasops1.c
blob: 35c43b0c56a27291e13a508670b1efa831c525d8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
/*	$OpenBSD: rasops1.c,v 1.6 2008/06/26 05:42:17 ray Exp $	*/
/*	$NetBSD: rasops1.c,v 1.11 2000/04/12 14:22:29 pk Exp $	*/

/*-
 * Copyright (c) 1999 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Andrew Doran.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/time.h>
#include <machine/endian.h>

#include <dev/wscons/wsdisplayvar.h>
#include <dev/wscons/wsconsio.h>
#include <dev/rasops/rasops.h>
#include <dev/rasops/rasops_masks.h>

void	rasops1_copycols(void *, int, int, int, int);
void	rasops1_erasecols(void *, int, int, int, long);
void	rasops1_do_cursor(struct rasops_info *);
void	rasops1_putchar(void *, int, int col, u_int, long);
#ifndef RASOPS_SMALL
void	rasops1_putchar8(void *, int, int col, u_int, long);
void	rasops1_putchar16(void *, int, int col, u_int, long);
#endif

/*
 * Initialize rasops_info struct for this colordepth.
 */
void
rasops1_init(ri)
	struct rasops_info *ri;
{
	rasops_masks_init();

	switch (ri->ri_font->fontwidth) {
#ifndef RASOPS_SMALL
	case 8:
		ri->ri_ops.putchar = rasops1_putchar8;
		break;
	case 16:
		ri->ri_ops.putchar = rasops1_putchar16;
		break;
#endif
	default:
		ri->ri_ops.putchar = rasops1_putchar;
		break;
	}

	if ((ri->ri_font->fontwidth & 7) != 0) {
		ri->ri_ops.erasecols = rasops1_erasecols;
		ri->ri_ops.copycols = rasops1_copycols;
		ri->ri_do_cursor = rasops1_do_cursor;
	}
}

/*
 * Paint a single character. This is the generic version, this is ugly.
 */
void
rasops1_putchar(cookie, row, col, uc, attr)
	void *cookie;
	int row, col;
	u_int uc;
	long attr;
{
	u_int fs, rs, fb, bg, fg, lmask, rmask;
	u_int32_t height, width;
	struct rasops_info *ri;
	int32_t *rp;
	u_char *fr;

	ri = (struct rasops_info *)cookie;

#ifdef RASOPS_CLIPPING
	/* Catches 'row < 0' case too */
	if ((unsigned)row >= (unsigned)ri->ri_rows)
		return;

	if ((unsigned)col >= (unsigned)ri->ri_cols)
		return;
#endif

	col *= ri->ri_font->fontwidth;
	rp = (int32_t *)(ri->ri_bits + row * ri->ri_yscale + ((col >> 3) & ~3));
	height = ri->ri_font->fontheight;
	width = ri->ri_font->fontwidth;
	col = col & 31;
	rs = ri->ri_stride;

	bg = (attr & 0x000f0000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0];
	fg = (attr & 0x0f000000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0];

	/* If fg and bg match this becomes a space character */
	if (fg == bg || uc == ' ') {
		uc = (u_int)-1;
		fr = 0;		/* shutup gcc */
		fs = 0;		/* shutup gcc */
	} else {
		uc -= ri->ri_font->firstchar;
		fr = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale;
		fs = ri->ri_font->stride;
	}

	/* Single word, one mask */
	if ((col + width) <= 32) {
		rmask = rasops_pmask[col][width];
		lmask = ~rmask;

		if (uc == (u_int)-1) {
			bg &= rmask;

			while (height--) {
				*rp = (*rp & lmask) | bg;
				DELTA(rp, rs, int32_t *);
			}
		} else {
			/* NOT fontbits if bg is white */
			if (bg) {
				while (height--) {
					fb = ~(fr[3] | (fr[2] << 8) |
					    (fr[1] << 16) | (fr[0] << 24));
					*rp = (*rp & lmask)
					    | (MBE(fb >> col) & rmask);

					fr += fs;
					DELTA(rp, rs, int32_t *);
				}
			} else {
				while (height--) {
					fb = (fr[3] | (fr[2] << 8) |
					    (fr[1] << 16) | (fr[0] << 24));
					*rp = (*rp & lmask)
					    | (MBE(fb >> col) & rmask);

					fr += fs;
					DELTA(rp, rs, int32_t *);
				}
			}
		}

		/* Do underline */
		if ((attr & 1) != 0) {
			DELTA(rp, -(ri->ri_stride << 1), int32_t *);
			*rp = (*rp & lmask) | (fg & rmask);
		}
	} else {
		lmask = ~rasops_lmask[col];
		rmask = ~rasops_rmask[(col + width) & 31];

		if (uc == (u_int)-1) {
			width = bg & ~rmask;
			bg = bg & ~lmask;

			while (height--) {
				rp[0] = (rp[0] & lmask) | bg;
				rp[1] = (rp[1] & rmask) | width;
				DELTA(rp, rs, int32_t *);
			}
		} else {
			width = 32 - col;

			/* NOT fontbits if bg is white */
			if (bg) {
				while (height--) {
					fb = ~(fr[3] | (fr[2] << 8) |
					    (fr[1] << 16) | (fr[0] << 24));

					rp[0] = (rp[0] & lmask)
					    | MBE((u_int)fb >> col);

					rp[1] = (rp[1] & rmask)
					    | (MBE((u_int)fb << width) & ~rmask);

					fr += fs;
					DELTA(rp, rs, int32_t *);
				}
			} else {
				while (height--) {
					fb = (fr[3] | (fr[2] << 8) |
					    (fr[1] << 16) | (fr[0] << 24));

					rp[0] = (rp[0] & lmask)
					    | MBE(fb >> col);

					rp[1] = (rp[1] & rmask)
					    | (MBE(fb << width) & ~rmask);

					fr += fs;
					DELTA(rp, rs, int32_t *);
				}
			}
		}

		/* Do underline */
		if ((attr & 1) != 0) {
			DELTA(rp, -(ri->ri_stride << 1), int32_t *);
			rp[0] = (rp[0] & lmask) | (fg & ~lmask);
			rp[1] = (rp[1] & rmask) | (fg & ~rmask);
		}
	}
}

#ifndef RASOPS_SMALL
/*
 * Paint a single character. This is for 8-pixel wide fonts.
 */
void
rasops1_putchar8(cookie, row, col, uc, attr)
	void *cookie;
	int row, col;
	u_int uc;
	long attr;
{
	int height, fs, rs, bg, fg;
	struct rasops_info *ri;
	u_char *fr, *rp;

	ri = (struct rasops_info *)cookie;

#ifdef RASOPS_CLIPPING
	/* Catches 'row < 0' case too */
	if ((unsigned)row >= (unsigned)ri->ri_rows)
		return;

	if ((unsigned)col >= (unsigned)ri->ri_cols)
		return;
#endif

	rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale;
	height = ri->ri_font->fontheight;
	rs = ri->ri_stride;

	bg = (attr & 0x000f0000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0];
	fg = (attr & 0x0f000000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0];

	/* If fg and bg match this becomes a space character */
	if (fg == bg || uc == ' ') {
		while (height--) {
			*rp = bg;
			rp += rs;
		}
	} else {
		uc -= ri->ri_font->firstchar;
		fr = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale;
		fs = ri->ri_font->stride;

		/* NOT fontbits if bg is white */
		if (bg) {
			while (height--) {
				*rp = ~*fr;
				fr += fs;
				rp += rs;
			}
		} else {
			while (height--) {
				*rp = *fr;
				fr += fs;
				rp += rs;
			}
		}

	}

	/* Do underline */
	if ((attr & 1) != 0)
		rp[-(ri->ri_stride << 1)] = fg;
}

/*
 * Paint a single character. This is for 16-pixel wide fonts.
 */
void
rasops1_putchar16(cookie, row, col, uc, attr)
	void *cookie;
	int row, col;
	u_int uc;
	long attr;
{
	int height, fs, rs, bg, fg;
	struct rasops_info *ri;
	u_char *fr, *rp;

	ri = (struct rasops_info *)cookie;

#ifdef RASOPS_CLIPPING
	/* Catches 'row < 0' case too */
	if ((unsigned)row >= (unsigned)ri->ri_rows)
		return;

	if ((unsigned)col >= (unsigned)ri->ri_cols)
		return;
#endif

	rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale;
	height = ri->ri_font->fontheight;
	rs = ri->ri_stride;

	bg = (attr & 0x000f0000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0];
	fg = (attr & 0x0f000000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0];

	/* If fg and bg match this becomes a space character */
	if (fg == bg || uc == ' ') {
		while (height--) {
			*(int16_t *)rp = bg;
			rp += rs;
		}
	} else {
		uc -= ri->ri_font->firstchar;
		fr = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale;
		fs = ri->ri_font->stride;

		/* NOT fontbits if bg is white */
		if (bg) {
			while (height--) {
				rp[0] = ~fr[0];
				rp[1] = ~fr[1];
				fr += fs;
				rp += rs;
			}
		} else {
			while (height--) {
				rp[0] = fr[0];
				rp[1] = fr[1];
				fr += fs;
				rp += rs;
			}
		}
	}

	/* Do underline */
	if ((attr & 1) != 0)
		*(int16_t *)(rp - (ri->ri_stride << 1)) = fg;
}
#endif	/* !RASOPS_SMALL */

/*
 * Grab routines common to depths where (bpp < 8)
 */
#define NAME(ident)	rasops1_##ident
#define PIXEL_SHIFT	0

#include <dev/rasops/rasops_bitops.h>