rasops8.c revision 1.49 1 1.49 rin /* $NetBSD: rasops8.c,v 1.49 2019/08/07 12:33:48 rin Exp $ */
2 1.1 ad
3 1.4 ad /*-
4 1.4 ad * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 1.1 ad * All rights reserved.
6 1.1 ad *
7 1.4 ad * This code is derived from software contributed to The NetBSD Foundation
8 1.9 ad * by Andrew Doran.
9 1.4 ad *
10 1.1 ad * Redistribution and use in source and binary forms, with or without
11 1.1 ad * modification, are permitted provided that the following conditions
12 1.1 ad * are met:
13 1.1 ad * 1. Redistributions of source code must retain the above copyright
14 1.1 ad * notice, this list of conditions and the following disclaimer.
15 1.1 ad * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 ad * notice, this list of conditions and the following disclaimer in the
17 1.1 ad * documentation and/or other materials provided with the distribution.
18 1.1 ad *
19 1.4 ad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.4 ad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.4 ad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.4 ad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.4 ad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.4 ad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.4 ad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.4 ad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.4 ad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.4 ad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.4 ad * POSSIBILITY OF SUCH DAMAGE.
30 1.1 ad */
31 1.2 ad
32 1.12 lukem #include <sys/cdefs.h>
33 1.49 rin __KERNEL_RCSID(0, "$NetBSD: rasops8.c,v 1.49 2019/08/07 12:33:48 rin Exp $");
34 1.12 lukem
35 1.1 ad #include "opt_rasops.h"
36 1.1 ad
37 1.1 ad #include <sys/param.h>
38 1.1 ad #include <sys/systm.h>
39 1.1 ad #include <sys/time.h>
40 1.1 ad
41 1.1 ad #include <dev/wscons/wsdisplayvar.h>
42 1.1 ad #include <dev/wscons/wsconsio.h>
43 1.45 rin
44 1.45 rin #define _RASOPS_PRIVATE
45 1.47 rin #define RASOPS_DEPTH 8
46 1.1 ad #include <dev/rasops/rasops.h>
47 1.1 ad
48 1.43 rin static void rasops8_putchar(void *, int, int, u_int, long);
49 1.43 rin static void rasops8_putchar_aa(void *, int, int, u_int, long);
50 1.7 ad #ifndef RASOPS_SMALL
51 1.43 rin static void rasops8_putchar8(void *, int, int, u_int, long);
52 1.43 rin static void rasops8_putchar12(void *, int, int, u_int, long);
53 1.43 rin static void rasops8_putchar16(void *, int, int, u_int, long);
54 1.18 perry static void rasops8_makestamp(struct rasops_info *ri, long);
55 1.10 bjh21 #endif
56 1.1 ad
57 1.48 rin #ifndef RASOPS_SMALL
58 1.48 rin /* 4x1 stamp for optimized character blitting */
59 1.48 rin static uint32_t stamp[16];
60 1.48 rin static long stamp_attr;
61 1.48 rin static struct rasops_info *stamp_ri;
62 1.48 rin
63 1.1 ad /*
64 1.1 ad * offset = STAMP_SHIFT(fontbits, nibble #) & STAMP_MASK
65 1.1 ad * destination = STAMP_READ(offset)
66 1.1 ad */
67 1.43 rin #define STAMP_SHIFT(fb, n) ((n) ? (fb) >> 2 : (fb) << 2)
68 1.43 rin #define STAMP_MASK (0xf << 2)
69 1.43 rin #define STAMP_READ(o) (*(uint32_t *)((uint8_t *)stamp + (o)))
70 1.48 rin #endif
71 1.1 ad
72 1.1 ad /*
73 1.11 wiz * Initialize a 'rasops_info' descriptor for this depth.
74 1.1 ad */
75 1.1 ad void
76 1.25 dsl rasops8_init(struct rasops_info *ri)
77 1.1 ad {
78 1.8 pk
79 1.43 rin if (ri->ri_flg & RI_8BIT_IS_RGB) {
80 1.43 rin ri->ri_rnum = ri->ri_gnum = 3;
81 1.43 rin ri->ri_bnum = 2;
82 1.43 rin
83 1.43 rin ri->ri_rpos = 5;
84 1.43 rin ri->ri_gpos = 2;
85 1.43 rin ri->ri_bpos = 0;
86 1.43 rin }
87 1.43 rin
88 1.33 martin if (FONT_IS_ALPHA(ri->ri_font)) {
89 1.30 macallan ri->ri_ops.putchar = rasops8_putchar_aa;
90 1.43 rin return;
91 1.43 rin }
92 1.43 rin
93 1.43 rin switch (ri->ri_font->fontwidth) {
94 1.7 ad #ifndef RASOPS_SMALL
95 1.43 rin case 8:
96 1.43 rin ri->ri_ops.putchar = rasops8_putchar8;
97 1.43 rin break;
98 1.43 rin case 12:
99 1.43 rin ri->ri_ops.putchar = rasops8_putchar12;
100 1.43 rin break;
101 1.43 rin case 16:
102 1.43 rin ri->ri_ops.putchar = rasops8_putchar16;
103 1.43 rin break;
104 1.7 ad #endif /* !RASOPS_SMALL */
105 1.43 rin default:
106 1.43 rin ri->ri_ops.putchar = rasops8_putchar;
107 1.46 rin return;
108 1.28 macallan }
109 1.46 rin
110 1.46 rin #ifndef RASOPS_SMALL
111 1.48 rin stamp_attr = 0;
112 1.48 rin stamp_ri = NULL;
113 1.46 rin #endif
114 1.1 ad }
115 1.1 ad
116 1.49 rin #undef RASOPS_AA
117 1.42 rin #include "rasops_putchar.h"
118 1.49 rin
119 1.49 rin #define RASOPS_AA
120 1.49 rin #include "rasops_putchar.h"
121 1.49 rin #undef RASOPS_AA
122 1.30 macallan
123 1.7 ad #ifndef RASOPS_SMALL
124 1.1 ad /*
125 1.1 ad * Recompute the 4x1 blitting stamp.
126 1.1 ad */
127 1.1 ad static void
128 1.25 dsl rasops8_makestamp(struct rasops_info *ri, long attr)
129 1.1 ad {
130 1.37 rin uint32_t fg, bg;
131 1.1 ad int i;
132 1.5 ad
133 1.48 rin stamp_attr = attr;
134 1.48 rin stamp_ri = ri;
135 1.48 rin
136 1.43 rin fg = ri->ri_devcmap[((uint32_t)attr >> 24) & 0xf] & 0xff;
137 1.43 rin bg = ri->ri_devcmap[((uint32_t)attr >> 16) & 0xf] & 0xff;
138 1.8 pk
139 1.1 ad for (i = 0; i < 16; i++) {
140 1.16 uwe #if BYTE_ORDER == BIG_ENDIAN
141 1.16 uwe #define NEED_LITTLE_ENDIAN_STAMP RI_BSWAP
142 1.1 ad #else
143 1.16 uwe #define NEED_LITTLE_ENDIAN_STAMP 0
144 1.1 ad #endif
145 1.16 uwe if ((ri->ri_flg & RI_BSWAP) == NEED_LITTLE_ENDIAN_STAMP) {
146 1.16 uwe /* little endian */
147 1.43 rin stamp[i] = (i & 8 ? fg : bg);
148 1.43 rin stamp[i] |= (i & 4 ? fg : bg) << 8;
149 1.43 rin stamp[i] |= (i & 2 ? fg : bg) << 16;
150 1.43 rin stamp[i] |= (i & 1 ? fg : bg) << 24;
151 1.16 uwe } else {
152 1.16 uwe /* big endian */
153 1.43 rin stamp[i] = (i & 1 ? fg : bg);
154 1.43 rin stamp[i] |= (i & 2 ? fg : bg) << 8;
155 1.43 rin stamp[i] |= (i & 4 ? fg : bg) << 16;
156 1.43 rin stamp[i] |= (i & 8 ? fg : bg) << 24;
157 1.16 uwe }
158 1.1 ad }
159 1.1 ad }
160 1.1 ad
161 1.42 rin #define RASOPS_WIDTH 8
162 1.42 rin #include "rasops_putchar_width.h"
163 1.42 rin #undef RASOPS_WIDTH
164 1.42 rin
165 1.42 rin #define RASOPS_WIDTH 12
166 1.42 rin #include "rasops_putchar_width.h"
167 1.42 rin #undef RASOPS_WIDTH
168 1.42 rin
169 1.42 rin #define RASOPS_WIDTH 16
170 1.42 rin #include "rasops_putchar_width.h"
171 1.42 rin #undef RASOPS_WIDTH
172 1.17 petrov
173 1.1 ad #endif
174