rasops1-4_putchar.h revision 1.3.10.2
1 1.3.10.2 martin /* $NetBSD: rasops1-4_putchar.h,v 1.3.10.2 2020/04/13 08:04:47 martin Exp $ */ 2 1.3.10.2 martin 3 1.3.10.2 martin /* NetBSD: rasops_bitops.h,v 1.23 2019/08/02 04:39:09 rin Exp */ 4 1.3.10.2 martin /*- 5 1.3.10.2 martin * Copyright (c) 1999 The NetBSD Foundation, Inc. 6 1.3.10.2 martin * All rights reserved. 7 1.3.10.2 martin * 8 1.3.10.2 martin * This code is derived from software contributed to The NetBSD Foundation 9 1.3.10.2 martin * by Andrew Doran. 10 1.3.10.2 martin * 11 1.3.10.2 martin * Redistribution and use in source and binary forms, with or without 12 1.3.10.2 martin * modification, are permitted provided that the following conditions 13 1.3.10.2 martin * are met: 14 1.3.10.2 martin * 1. Redistributions of source code must retain the above copyright 15 1.3.10.2 martin * notice, this list of conditions and the following disclaimer. 16 1.3.10.2 martin * 2. Redistributions in binary form must reproduce the above copyright 17 1.3.10.2 martin * notice, this list of conditions and the following disclaimer in the 18 1.3.10.2 martin * documentation and/or other materials provided with the distribution. 19 1.3.10.2 martin * 20 1.3.10.2 martin * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 1.3.10.2 martin * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 1.3.10.2 martin * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 1.3.10.2 martin * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 1.3.10.2 martin * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 1.3.10.2 martin * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 1.3.10.2 martin * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 1.3.10.2 martin * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 1.3.10.2 martin * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 1.3.10.2 martin * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 1.3.10.2 martin * POSSIBILITY OF SUCH DAMAGE. 31 1.3.10.2 martin */ 32 1.3.10.2 martin 33 1.3.10.2 martin #define PIXEL_BITS RASOPS_DEPTH 34 1.3.10.2 martin 35 1.3.10.2 martin #if RASOPS_DEPTH == 1 36 1.3.10.2 martin #define PIXEL_SHIFT 0 37 1.3.10.2 martin #elif RASOPS_DEPTH == 2 38 1.3.10.2 martin #define PIXEL_SHIFT 1 39 1.3.10.2 martin #elif RASOPS_DEPTH == 4 40 1.3.10.2 martin #define PIXEL_SHIFT 2 41 1.3.10.2 martin #else 42 1.3.10.2 martin #error "Depth not supported" 43 1.3.10.2 martin #endif 44 1.3.10.2 martin 45 1.3.10.2 martin #ifndef RASOPS_AA 46 1.3.10.2 martin #define COLOR_MASK __BITS(32 - PIXEL_BITS, 31) 47 1.3.10.2 martin #else 48 1.3.10.2 martin # if RASOPS_DEPTH == 2 49 1.3.10.2 martin #define COLOR_MASK 0x3 50 1.3.10.2 martin # else 51 1.3.10.2 martin #error "Anti-aliasing not supported" 52 1.3.10.2 martin # endif 53 1.3.10.2 martin #endif 54 1.3.10.2 martin 55 1.3.10.2 martin #ifndef RASOPS_AA 56 1.3.10.2 martin #define PIXEL_OR(tmp) \ 57 1.3.10.2 martin do { \ 58 1.3.10.2 martin (tmp) |= clr[(fb >> 31) & 1] >> bit; \ 59 1.3.10.2 martin fb <<= 1; \ 60 1.3.10.2 martin } while (0 /* CONSTCOND */) 61 1.3.10.2 martin #else 62 1.3.10.2 martin #define PIXEL_OR(tmp) \ 63 1.3.10.2 martin do { \ 64 1.3.10.2 martin uint8_t c, w = *fr++; \ 65 1.3.10.2 martin if (w == 0xff) \ 66 1.3.10.2 martin c = clr[1]; \ 67 1.3.10.2 martin else if (w == 0) \ 68 1.3.10.2 martin c = clr[0]; \ 69 1.3.10.2 martin else \ 70 1.3.10.2 martin c = (w * clr[1] + (0xff - w) * clr[0]) >> 8; \ 71 1.3.10.2 martin (tmp) |= c << (32 - PIXEL_BITS - bit); \ 72 1.3.10.2 martin } while (0 /* CONSTCOND */) 73 1.3.10.2 martin #endif 74 1.3.10.2 martin 75 1.3.10.2 martin #define NAME(depth) NAME1(depth) 76 1.3.10.2 martin #ifndef RASOPS_AA 77 1.3.10.2 martin #define NAME1(depth) rasops ## depth ## _ ## putchar 78 1.3.10.2 martin #else 79 1.3.10.2 martin #define NAME1(depth) rasops ## depth ## _ ## putchar_aa 80 1.3.10.2 martin #endif 81 1.3.10.2 martin 82 1.3.10.2 martin /* 83 1.3.10.2 martin * Paint a single character. This function is also applicable to 84 1.3.10.2 martin * monochrome, but that in rasops1.c is much simpler and faster. 85 1.3.10.2 martin */ 86 1.3.10.2 martin static void 87 1.3.10.2 martin NAME(RASOPS_DEPTH)(void *cookie, int row, int col, u_int uc, long attr) 88 1.3.10.2 martin { 89 1.3.10.2 martin struct rasops_info *ri = (struct rasops_info *)cookie; 90 1.3.10.2 martin struct wsdisplay_font *font = PICK_FONT(ri, uc); 91 1.3.10.2 martin int height, width, full, cnt, bit; 92 1.3.10.2 martin uint32_t bg, fg, lbg, rbg, clr[2], lmask, rmask, tmp; 93 1.3.10.2 martin uint32_t *rp, *bp, *hp; 94 1.3.10.2 martin uint8_t *fr; 95 1.3.10.2 martin bool space; 96 1.3.10.2 martin 97 1.3.10.2 martin hp = NULL; /* XXX GCC */ 98 1.3.10.2 martin 99 1.3.10.2 martin if (__predict_false(!CHAR_IN_FONT(uc, font))) 100 1.3.10.2 martin return; 101 1.3.10.2 martin 102 1.3.10.2 martin #ifdef RASOPS_CLIPPING 103 1.3.10.2 martin /* Catches 'row < 0' case too */ 104 1.3.10.2 martin if ((unsigned)row >= (unsigned)ri->ri_rows) 105 1.3.10.2 martin return; 106 1.3.10.2 martin 107 1.3.10.2 martin if ((unsigned)col >= (unsigned)ri->ri_cols) 108 1.3.10.2 martin return; 109 1.3.10.2 martin #endif 110 1.3.10.2 martin 111 1.3.10.2 martin height = font->fontheight; 112 1.3.10.2 martin width = font->fontwidth << PIXEL_SHIFT; 113 1.3.10.2 martin col *= width; 114 1.3.10.2 martin 115 1.3.10.2 martin rp = (uint32_t *)(ri->ri_bits + row * ri->ri_yscale + 116 1.3.10.2 martin ((col >> 3) & ~3)); 117 1.3.10.2 martin if (ri->ri_hwbits) 118 1.3.10.2 martin hp = (uint32_t *)(ri->ri_hwbits + row * ri->ri_yscale + 119 1.3.10.2 martin ((col >> 3) & ~3)); 120 1.3.10.2 martin 121 1.3.10.2 martin col &= 31; 122 1.3.10.2 martin 123 1.3.10.2 martin bg = ATTR_BG(ri, attr); 124 1.3.10.2 martin fg = ATTR_FG(ri, attr); 125 1.3.10.2 martin 126 1.3.10.2 martin /* If fg and bg match this becomes a space character */ 127 1.3.10.2 martin if (uc == ' ' || __predict_false(fg == bg)) { 128 1.3.10.2 martin space = true; 129 1.3.10.2 martin fr = NULL; /* XXX GCC */ 130 1.3.10.2 martin } else { 131 1.3.10.2 martin space = false; 132 1.3.10.2 martin fr = FONT_GLYPH(uc, font, ri); 133 1.3.10.2 martin } 134 1.3.10.2 martin 135 1.3.10.2 martin if (col + width <= 32) { 136 1.3.10.2 martin /* Single word, only one mask */ 137 1.3.10.2 martin rmask = rasops_pmask[col][width & 31]; 138 1.3.10.2 martin lmask = ~rmask; 139 1.3.10.2 martin 140 1.3.10.2 martin if (space) { 141 1.3.10.2 martin bg &= rmask; 142 1.3.10.2 martin while (height--) { 143 1.3.10.2 martin tmp = (*rp & lmask) | bg; 144 1.3.10.2 martin *rp = tmp; 145 1.3.10.2 martin if (ri->ri_hwbits) { 146 1.3.10.2 martin *hp = tmp; 147 1.3.10.2 martin DELTA(hp, ri->ri_stride, uint32_t *); 148 1.3.10.2 martin } 149 1.3.10.2 martin DELTA(rp, ri->ri_stride, uint32_t *); 150 1.3.10.2 martin } 151 1.3.10.2 martin } else { 152 1.3.10.2 martin clr[0] = bg & COLOR_MASK; 153 1.3.10.2 martin clr[1] = fg & COLOR_MASK; 154 1.3.10.2 martin 155 1.3.10.2 martin while (height--) { 156 1.3.10.2 martin #ifndef RASOPS_AA 157 1.3.10.2 martin uint32_t fb = rasops_be32uatoh(fr); 158 1.3.10.2 martin fr += ri->ri_font->stride; 159 1.3.10.2 martin #endif 160 1.3.10.2 martin 161 1.3.10.2 martin tmp = 0; 162 1.3.10.2 martin for (bit = col; bit < col + width; 163 1.3.10.2 martin bit += PIXEL_BITS) 164 1.3.10.2 martin PIXEL_OR(tmp); 165 1.3.10.2 martin tmp = (*rp & lmask) | MBE(tmp); 166 1.3.10.2 martin *rp = tmp; 167 1.3.10.2 martin 168 1.3.10.2 martin if (ri->ri_hwbits) { 169 1.3.10.2 martin *hp = tmp; 170 1.3.10.2 martin DELTA(hp, ri->ri_stride, uint32_t *); 171 1.3.10.2 martin } 172 1.3.10.2 martin 173 1.3.10.2 martin DELTA(rp, ri->ri_stride, uint32_t *); 174 1.3.10.2 martin } 175 1.3.10.2 martin } 176 1.3.10.2 martin 177 1.3.10.2 martin /* Do underline */ 178 1.3.10.2 martin if ((attr & WSATTR_UNDERLINE) != 0) { 179 1.3.10.2 martin DELTA(rp, - ri->ri_stride * ri->ri_ul.off, uint32_t *); 180 1.3.10.2 martin if (ri->ri_hwbits) 181 1.3.10.2 martin DELTA(hp, - ri->ri_stride * ri->ri_ul.off, 182 1.3.10.2 martin uint32_t *); 183 1.3.10.2 martin 184 1.3.10.2 martin for (height = ri->ri_ul.height; height; height--) { 185 1.3.10.2 martin DELTA(rp, - ri->ri_stride, uint32_t *); 186 1.3.10.2 martin tmp = (*rp & lmask) | (fg & rmask); 187 1.3.10.2 martin *rp = tmp; 188 1.3.10.2 martin if (ri->ri_hwbits) { 189 1.3.10.2 martin DELTA(hp, - ri->ri_stride, uint32_t *); 190 1.3.10.2 martin *hp = tmp; 191 1.3.10.2 martin } 192 1.3.10.2 martin } 193 1.3.10.2 martin } 194 1.3.10.2 martin 195 1.3.10.2 martin return; 196 1.3.10.2 martin } 197 1.3.10.2 martin 198 1.3.10.2 martin /* Word boundary, two masks needed */ 199 1.3.10.2 martin lmask = ~rasops_lmask[col]; 200 1.3.10.2 martin rmask = ~rasops_rmask[(col + width) & 31]; 201 1.3.10.2 martin 202 1.3.10.2 martin if (lmask != -1) 203 1.3.10.2 martin width -= 32 - col; 204 1.3.10.2 martin 205 1.3.10.2 martin full = width / 32; 206 1.3.10.2 martin width -= full * 32; 207 1.3.10.2 martin 208 1.3.10.2 martin if (space) { 209 1.3.10.2 martin lbg = bg & ~lmask; 210 1.3.10.2 martin rbg = bg & ~rmask; 211 1.3.10.2 martin 212 1.3.10.2 martin while (height--) { 213 1.3.10.2 martin bp = rp; 214 1.3.10.2 martin 215 1.3.10.2 martin if (lmask != -1) { 216 1.3.10.2 martin *bp = (*bp & lmask) | lbg; 217 1.3.10.2 martin bp++; 218 1.3.10.2 martin } 219 1.3.10.2 martin 220 1.3.10.2 martin for (cnt = full; cnt; cnt--) 221 1.3.10.2 martin *bp++ = bg; 222 1.3.10.2 martin 223 1.3.10.2 martin if (rmask != -1) 224 1.3.10.2 martin *bp = (*bp & rmask) | rbg; 225 1.3.10.2 martin 226 1.3.10.2 martin if (ri->ri_hwbits) { 227 1.3.10.2 martin memcpy(hp, rp, ((lmask != -1) + full + 228 1.3.10.2 martin (rmask != -1)) << 2); 229 1.3.10.2 martin DELTA(hp, ri->ri_stride, uint32_t *); 230 1.3.10.2 martin } 231 1.3.10.2 martin 232 1.3.10.2 martin DELTA(rp, ri->ri_stride, uint32_t *); 233 1.3.10.2 martin } 234 1.3.10.2 martin } else { 235 1.3.10.2 martin clr[0] = bg & COLOR_MASK; 236 1.3.10.2 martin clr[1] = fg & COLOR_MASK; 237 1.3.10.2 martin 238 1.3.10.2 martin while (height--) { 239 1.3.10.2 martin bp = rp; 240 1.3.10.2 martin 241 1.3.10.2 martin #ifndef RASOPS_AA 242 1.3.10.2 martin uint32_t fb = rasops_be32uatoh(fr); 243 1.3.10.2 martin fr += ri->ri_font->stride; 244 1.3.10.2 martin #endif 245 1.3.10.2 martin 246 1.3.10.2 martin if (lmask != -1) { 247 1.3.10.2 martin tmp = 0; 248 1.3.10.2 martin for (bit = col; bit < 32; bit += PIXEL_BITS) 249 1.3.10.2 martin PIXEL_OR(tmp); 250 1.3.10.2 martin *bp = (*bp & lmask) | MBE(tmp); 251 1.3.10.2 martin bp++; 252 1.3.10.2 martin } 253 1.3.10.2 martin 254 1.3.10.2 martin for (cnt = full; cnt; cnt--) { 255 1.3.10.2 martin tmp = 0; 256 1.3.10.2 martin for (bit = 0; bit < 32; bit += PIXEL_BITS) 257 1.3.10.2 martin PIXEL_OR(tmp); 258 1.3.10.2 martin *bp++ = MBE(tmp); 259 1.3.10.2 martin } 260 1.3.10.2 martin 261 1.3.10.2 martin if (rmask != -1) { 262 1.3.10.2 martin tmp = 0; 263 1.3.10.2 martin for (bit = 0; bit < width; bit += PIXEL_BITS) 264 1.3.10.2 martin PIXEL_OR(tmp); 265 1.3.10.2 martin *bp = (*bp & rmask) | MBE(tmp); 266 1.3.10.2 martin } 267 1.3.10.2 martin 268 1.3.10.2 martin if (ri->ri_hwbits) { 269 1.3.10.2 martin memcpy(hp, rp, ((lmask != -1) + full + 270 1.3.10.2 martin (rmask != -1)) << 2); 271 1.3.10.2 martin DELTA(hp, ri->ri_stride, uint32_t *); 272 1.3.10.2 martin } 273 1.3.10.2 martin 274 1.3.10.2 martin DELTA(rp, ri->ri_stride, uint32_t *); 275 1.3.10.2 martin } 276 1.3.10.2 martin } 277 1.3.10.2 martin 278 1.3.10.2 martin /* Do underline */ 279 1.3.10.2 martin if ((attr & WSATTR_UNDERLINE) != 0) { 280 1.3.10.2 martin DELTA(rp, - ri->ri_stride * ri->ri_ul.off, uint32_t *); 281 1.3.10.2 martin if (ri->ri_hwbits) 282 1.3.10.2 martin DELTA(hp, - ri->ri_stride * ri->ri_ul.off, uint32_t *); 283 1.3.10.2 martin 284 1.3.10.2 martin for (height = ri->ri_ul.height; height; height--) { 285 1.3.10.2 martin DELTA(rp, - ri->ri_stride, uint32_t *); 286 1.3.10.2 martin bp = rp; 287 1.3.10.2 martin if (lmask != -1) { 288 1.3.10.2 martin *bp = (*bp & lmask) | (fg & ~lmask); 289 1.3.10.2 martin bp++; 290 1.3.10.2 martin } 291 1.3.10.2 martin for (cnt = full; cnt; cnt--) 292 1.3.10.2 martin *bp++ = fg; 293 1.3.10.2 martin if (rmask != -1) 294 1.3.10.2 martin *bp = (*bp & rmask) | (fg & ~rmask); 295 1.3.10.2 martin if (ri->ri_hwbits) { 296 1.3.10.2 martin DELTA(hp, - ri->ri_stride, uint32_t *); 297 1.3.10.2 martin memcpy(hp, rp, ((lmask != -1) + full + 298 1.3.10.2 martin (rmask != -1)) << 2); 299 1.3.10.2 martin } 300 1.3.10.2 martin } 301 1.3.10.2 martin } 302 1.3.10.2 martin } 303 1.3.10.2 martin 304 1.3.10.2 martin #undef PIXEL_BITS 305 1.3.10.2 martin #undef PIXEL_SHIFT 306 1.3.10.2 martin #undef COLOR_MASK 307 1.3.10.2 martin 308 1.3.10.2 martin #undef PIXEL_OR 309 1.3.10.2 martin 310 1.3.10.2 martin #undef NAME 311 1.3.10.2 martin #undef NAME1 312
Indexes created Thu Oct 02 01:09:59 GMT 2025