rasops_putchar_width.h revision 1.2 1 /* $NetBSD: rasops_putchar_width.h,v 1.2 2019/07/26 02:31:09 rin Exp $ */
2
3 /* NetBSD: rasops8.c,v 1.41 2019/07/25 03:02:44 rin Exp */
4 /*-
5 * Copyright (c) 1999 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Andrew Doran.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #if RASOPS_DEPTH != 8 && RASOPS_DEPTH != 15 && RASOPS_DEPTH != 24 && \
34 RASOPS_DEPTH != 32
35 #error "Depth not supported"
36 #endif
37
38 #if RASOPS_WIDTH != 8 && RASOPS_WIDTH != 12 && RASOPS_WIDTH != 16
39 #error "Width not supported"
40 #endif
41
42 #if RASOPS_DEPTH == 8
43 #define FILLED_STAMP 15
44 #elif RASOPS_DEPTH == 15
45 #define FILLED_STAMP 30
46 #else
47 #define FILLED_STAMP 60
48 #endif
49
50 #define PUTCHAR_WIDTH1(depth, width) rasops ## depth ## _putchar ## width
51 #define PUTCHAR_WIDTH(depth, width) PUTCHAR_WIDTH1(depth, width)
52
53 #define PUTCHAR1(depth) rasops ## depth ## _putchar
54 #define PUTCHAR(depth) PUTCHAR1(depth)
55
56 #define MAKESTAMP1(depth) rasops ## depth ## _makestamp
57 #define MAKESTAMP(depth) MAKESTAMP1(depth)
58
59 /* ################################################################### */
60
61 #if RASOPS_DEPTH == 8
62
63 #define SUBST_STAMP1(p, off) \
64 (p)[(off) * 1 + 0] =
65
66 #define SUBST_GLYPH1(index, nibble, off) \
67 do { \
68 so = STAMP_SHIFT(fr[index], nibble) & STAMP_MASK; \
69 rp[(off) * 1 + 0] = STAMP_READ(so); \
70 if (ri->ri_hwbits) { \
71 hrp[(off) * 1 + 0] = STAMP_READ(so); \
72 } \
73 } while (0 /* CONSTCOND */);
74
75 #endif /* RASOPS_DEPTH == 8 */
76
77 /* ################################################################### */
78
79 #if RASOPS_DEPTH == 15
80
81 #define SUBST_STAMP1(p, off) \
82 (p)[(off) * 2 + 0] = (p)[(off) * 2 + 1] =
83
84 #define SUBST_GLYPH1(index, nibble, off) \
85 do { \
86 so = STAMP_SHIFT(fr[index], nibble) & STAMP_MASK; \
87 rp[(off) * 2 + 0] = STAMP_READ(so); \
88 rp[(off) * 2 + 1] = STAMP_READ(so + 4); \
89 if (ri->ri_hwbits) { \
90 hrp[(off) * 2 + 0] = STAMP_READ(so); \
91 hrp[(off) * 2 + 1] = STAMP_READ(so + 4); \
92 } \
93 } while (0 /* CONSTCOND */);
94
95 #endif /* RASOPS_DEPTH == 15 */
96
97 /* ################################################################### */
98
99 #if RASOPS_DEPTH == 24
100
101 #define SUBST_STAMP1(p, off) \
102 (p)[(off) * 3 + 0] = (p)[(off) * 3 + 1] = (p)[(off) * 3 + 2] =
103
104 #define SUBST_GLYPH1(index, nibble, off) \
105 do { \
106 so = STAMP_SHIFT(fr[index], nibble) & STAMP_MASK; \
107 rp[(off) * 3 + 0] = STAMP_READ(so); \
108 rp[(off) * 3 + 1] = STAMP_READ(so + 4); \
109 rp[(off) * 3 + 2] = STAMP_READ(so + 8); \
110 if (ri->ri_hwbits) { \
111 hrp[(off) * 3 + 0] = STAMP_READ(so); \
112 hrp[(off) * 3 + 1] = STAMP_READ(so + 4); \
113 hrp[(off) * 3 + 2] = STAMP_READ(so + 8); \
114 } \
115 } while (0 /* CONSTCOND */);
116
117 #endif /* RASOPS_DEPTH == 24 */
118
119 /* ################################################################### */
120
121 #if RASOPS_DEPTH == 32
122
123 #define SUBST_STAMP1(p, off) \
124 (p)[(off) * 4 + 0] = (p)[(off) * 4 + 1] = \
125 (p)[(off) * 4 + 2] = (p)[(off) * 4 + 3] =
126
127 #define SUBST_GLYPH1(index, nibble, off) \
128 do { \
129 so = STAMP_SHIFT(fr[index], nibble) & STAMP_MASK; \
130 rp[(off) * 4 + 0] = STAMP_READ(so); \
131 rp[(off) * 4 + 1] = STAMP_READ(so + 4); \
132 rp[(off) * 4 + 2] = STAMP_READ(so + 8); \
133 rp[(off) * 4 + 3] = STAMP_READ(so + 12); \
134 if (ri->ri_hwbits) { \
135 hrp[(off) * 4 + 0] = STAMP_READ(so); \
136 hrp[(off) * 4 + 1] = STAMP_READ(so + 4); \
137 hrp[(off) * 4 + 2] = STAMP_READ(so + 8); \
138 hrp[(off) * 4 + 3] = STAMP_READ(so + 12); \
139 } \
140 } while (0 /* CONSTCOND */);
141
142 #endif /* RASOPS_DEPTH == 32 */
143
144 /* ################################################################### */
145
146 #if RASOPS_WIDTH == 8
147 #define SUBST_STAMP(p, val) \
148 SUBST_STAMP1(p, 0) SUBST_STAMP1(p, 1) (val)
149 #elif RASOPS_WIDTH == 12
150 #define SUBST_STAMP(p, val) \
151 SUBST_STAMP1(p, 0) SUBST_STAMP1(p, 1) SUBST_STAMP1(p, 2) (val)
152 #elif RASOPS_WIDTH == 16
153 #define SUBST_STAMP(p, val) \
154 SUBST_STAMP1(p, 0) SUBST_STAMP1(p, 1) SUBST_STAMP1(p, 2) \
155 SUBST_STAMP1(p, 3) (val)
156 #endif
157
158 #if RASOPS_WIDTH == 8
159 #define SUBST_GLYPH \
160 SUBST_GLYPH1(0, 1, 0) SUBST_GLYPH1(0, 0, 1)
161 #elif RASOPS_WIDTH == 12
162 #define SUBST_GLYPH \
163 SUBST_GLYPH1(0, 1, 0) SUBST_GLYPH1(0, 0, 1) SUBST_GLYPH1(1, 1, 2)
164 #elif RASOPS_WIDTH == 16
165 #define SUBST_GLYPH \
166 SUBST_GLYPH1(0, 1, 0) SUBST_GLYPH1(0, 0, 1) SUBST_GLYPH1(1, 1, 2) \
167 SUBST_GLYPH1(1, 0, 3)
168 #endif
169
170 /*
171 * Width-optimized putchar function.
172 */
173 static void
174 PUTCHAR_WIDTH(RASOPS_DEPTH, RASOPS_WIDTH)(void *cookie, int row, int col,
175 u_int uc, long attr)
176 {
177 struct rasops_info *ri = (struct rasops_info *)cookie;
178 struct wsdisplay_font *font = PICK_FONT(ri, uc);
179 int height, so, fs;
180 uint32_t *rp, *hrp = NULL;
181 uint8_t *fr;
182
183 hrp = NULL; /* XXX GCC */
184
185 #ifdef RASOPS_CLIPPING
186 /* Catches 'row < 0' case too */
187 if ((unsigned)row >= (unsigned)ri->ri_rows)
188 return;
189
190 if ((unsigned)col >= (unsigned)ri->ri_cols)
191 return;
192 #endif
193
194 /* check if character fits into font limits */
195 if (!CHAR_IN_FONT(uc, font))
196 return;
197
198 /* Can't risk remaking the stamp if it's already in use */
199 if (stamp_mutex++) {
200 stamp_mutex--;
201 PUTCHAR(RASOPS_DEPTH)(cookie, row, col, uc, attr);
202 return;
203 }
204
205 /* Recompute stamp? */
206 if (attr != stamp_attr)
207 MAKESTAMP(RASOPS_DEPTH)(ri, attr);
208
209 rp = (uint32_t *)(ri->ri_bits + row*ri->ri_yscale + col*ri->ri_xscale);
210 if (ri->ri_hwbits)
211 hrp = (uint32_t *)(ri->ri_hwbits + row*ri->ri_yscale +
212 col*ri->ri_xscale);
213
214 height = font->fontheight;
215
216 #if RASOPS_DEPTH != 24 /* XXXRO fix me! */
217 if (uc == ' ') {
218 while (height--) {
219 SUBST_STAMP(rp, stamp[0]);
220 DELTA(rp, ri->ri_stride, uint32_t *);
221 if (ri->ri_hwbits) {
222 SUBST_STAMP(hrp, stamp[0]);
223 DELTA(hrp, ri->ri_stride, uint32_t *);
224 }
225 }
226 } else
227 #endif
228 {
229 fr = FONT_GLYPH(uc, font, ri);
230 fs = font->stride;
231
232 while (height--) {
233 SUBST_GLYPH
234
235 fr += fs;
236 DELTA(rp, ri->ri_stride, uint32_t *);
237 if (ri->ri_hwbits)
238 DELTA(hrp, ri->ri_stride, uint32_t *);
239 }
240 }
241
242 /* Do underline */
243 if ((attr & WSATTR_UNDERLINE) != 0) {
244 DELTA(rp, -(ri->ri_stride << 1), uint32_t *);
245 SUBST_STAMP(rp, stamp[FILLED_STAMP]);
246 if (ri->ri_hwbits)
247 SUBST_STAMP(hrp, stamp[FILLED_STAMP]);
248 }
249
250 stamp_mutex--;
251 }
252
253 #undef FILLED_STAMP
254
255 #undef PUTCHAR_WIDTH1
256 #undef PUTCHAR_WIDTH
257
258 #undef PUTCHAR1
259 #undef PUTCHAR
260
261 #undef MAKESTAMP1
262 #undef MAKESTAMP
263
264 #undef SUBST_STAMP1
265 #undef SUBST_STAMP
266
267 #undef SUBST_GLYPH1
268 #undef SUBST_GLYPH
269