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1.1 ! nbrk 1: /* $OpenBSD: rasops1.c,v 1.5 2006/08/03 18:42:06 miod Exp $ */
! 2: /* $NetBSD: rasops1.c,v 1.11 2000/04/12 14:22:29 pk Exp $ */
! 3:
! 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: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: #include <sys/param.h>
! 41: #include <sys/systm.h>
! 42: #include <sys/time.h>
! 43: #include <machine/endian.h>
! 44:
! 45: #include <dev/wscons/wsdisplayvar.h>
! 46: #include <dev/wscons/wsconsio.h>
! 47: #include <dev/rasops/rasops.h>
! 48: #include <dev/rasops/rasops_masks.h>
! 49:
! 50: void rasops1_copycols(void *, int, int, int, int);
! 51: void rasops1_erasecols(void *, int, int, int, long);
! 52: void rasops1_do_cursor(struct rasops_info *);
! 53: void rasops1_putchar(void *, int, int col, u_int, long);
! 54: #ifndef RASOPS_SMALL
! 55: void rasops1_putchar8(void *, int, int col, u_int, long);
! 56: void rasops1_putchar16(void *, int, int col, u_int, long);
! 57: #endif
! 58:
! 59: /*
! 60: * Initialize rasops_info struct for this colordepth.
! 61: */
! 62: void
! 63: rasops1_init(ri)
! 64: struct rasops_info *ri;
! 65: {
! 66: rasops_masks_init();
! 67:
! 68: switch (ri->ri_font->fontwidth) {
! 69: #ifndef RASOPS_SMALL
! 70: case 8:
! 71: ri->ri_ops.putchar = rasops1_putchar8;
! 72: break;
! 73: case 16:
! 74: ri->ri_ops.putchar = rasops1_putchar16;
! 75: break;
! 76: #endif
! 77: default:
! 78: ri->ri_ops.putchar = rasops1_putchar;
! 79: break;
! 80: }
! 81:
! 82: if ((ri->ri_font->fontwidth & 7) != 0) {
! 83: ri->ri_ops.erasecols = rasops1_erasecols;
! 84: ri->ri_ops.copycols = rasops1_copycols;
! 85: ri->ri_do_cursor = rasops1_do_cursor;
! 86: }
! 87: }
! 88:
! 89: /*
! 90: * Paint a single character. This is the generic version, this is ugly.
! 91: */
! 92: void
! 93: rasops1_putchar(cookie, row, col, uc, attr)
! 94: void *cookie;
! 95: int row, col;
! 96: u_int uc;
! 97: long attr;
! 98: {
! 99: u_int fs, rs, fb, bg, fg, lmask, rmask;
! 100: u_int32_t height, width;
! 101: struct rasops_info *ri;
! 102: int32_t *rp;
! 103: u_char *fr;
! 104:
! 105: ri = (struct rasops_info *)cookie;
! 106:
! 107: #ifdef RASOPS_CLIPPING
! 108: /* Catches 'row < 0' case too */
! 109: if ((unsigned)row >= (unsigned)ri->ri_rows)
! 110: return;
! 111:
! 112: if ((unsigned)col >= (unsigned)ri->ri_cols)
! 113: return;
! 114: #endif
! 115:
! 116: col *= ri->ri_font->fontwidth;
! 117: rp = (int32_t *)(ri->ri_bits + row * ri->ri_yscale + ((col >> 3) & ~3));
! 118: height = ri->ri_font->fontheight;
! 119: width = ri->ri_font->fontwidth;
! 120: col = col & 31;
! 121: rs = ri->ri_stride;
! 122:
! 123: bg = (attr & 0x000f0000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0];
! 124: fg = (attr & 0x0f000000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0];
! 125:
! 126: /* If fg and bg match this becomes a space character */
! 127: if (fg == bg || uc == ' ') {
! 128: uc = (u_int)-1;
! 129: fr = 0; /* shutup gcc */
! 130: fs = 0; /* shutup gcc */
! 131: } else {
! 132: uc -= ri->ri_font->firstchar;
! 133: fr = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale;
! 134: fs = ri->ri_font->stride;
! 135: }
! 136:
! 137: /* Single word, one mask */
! 138: if ((col + width) <= 32) {
! 139: rmask = rasops_pmask[col][width];
! 140: lmask = ~rmask;
! 141:
! 142: if (uc == (u_int)-1) {
! 143: bg &= rmask;
! 144:
! 145: while (height--) {
! 146: *rp = (*rp & lmask) | bg;
! 147: DELTA(rp, rs, int32_t *);
! 148: }
! 149: } else {
! 150: /* NOT fontbits if bg is white */
! 151: if (bg) {
! 152: while (height--) {
! 153: fb = ~(fr[3] | (fr[2] << 8) |
! 154: (fr[1] << 16) | (fr[0] << 24));
! 155: *rp = (*rp & lmask)
! 156: | (MBE(fb >> col) & rmask);
! 157:
! 158: fr += fs;
! 159: DELTA(rp, rs, int32_t *);
! 160: }
! 161: } else {
! 162: while (height--) {
! 163: fb = (fr[3] | (fr[2] << 8) |
! 164: (fr[1] << 16) | (fr[0] << 24));
! 165: *rp = (*rp & lmask)
! 166: | (MBE(fb >> col) & rmask);
! 167:
! 168: fr += fs;
! 169: DELTA(rp, rs, int32_t *);
! 170: }
! 171: }
! 172: }
! 173:
! 174: /* Do underline */
! 175: if ((attr & 1) != 0) {
! 176: DELTA(rp, -(ri->ri_stride << 1), int32_t *);
! 177: *rp = (*rp & lmask) | (fg & rmask);
! 178: }
! 179: } else {
! 180: lmask = ~rasops_lmask[col];
! 181: rmask = ~rasops_rmask[(col + width) & 31];
! 182:
! 183: if (uc == (u_int)-1) {
! 184: width = bg & ~rmask;
! 185: bg = bg & ~lmask;
! 186:
! 187: while (height--) {
! 188: rp[0] = (rp[0] & lmask) | bg;
! 189: rp[1] = (rp[1] & rmask) | width;
! 190: DELTA(rp, rs, int32_t *);
! 191: }
! 192: } else {
! 193: width = 32 - col;
! 194:
! 195: /* NOT fontbits if bg is white */
! 196: if (bg) {
! 197: while (height--) {
! 198: fb = ~(fr[3] | (fr[2] << 8) |
! 199: (fr[1] << 16) | (fr[0] << 24));
! 200:
! 201: rp[0] = (rp[0] & lmask)
! 202: | MBE((u_int)fb >> col);
! 203:
! 204: rp[1] = (rp[1] & rmask)
! 205: | (MBE((u_int)fb << width) & ~rmask);
! 206:
! 207: fr += fs;
! 208: DELTA(rp, rs, int32_t *);
! 209: }
! 210: } else {
! 211: while (height--) {
! 212: fb = (fr[3] | (fr[2] << 8) |
! 213: (fr[1] << 16) | (fr[0] << 24));
! 214:
! 215: rp[0] = (rp[0] & lmask)
! 216: | MBE(fb >> col);
! 217:
! 218: rp[1] = (rp[1] & rmask)
! 219: | (MBE(fb << width) & ~rmask);
! 220:
! 221: fr += fs;
! 222: DELTA(rp, rs, int32_t *);
! 223: }
! 224: }
! 225: }
! 226:
! 227: /* Do underline */
! 228: if ((attr & 1) != 0) {
! 229: DELTA(rp, -(ri->ri_stride << 1), int32_t *);
! 230: rp[0] = (rp[0] & lmask) | (fg & ~lmask);
! 231: rp[1] = (rp[1] & rmask) | (fg & ~rmask);
! 232: }
! 233: }
! 234: }
! 235:
! 236: #ifndef RASOPS_SMALL
! 237: /*
! 238: * Paint a single character. This is for 8-pixel wide fonts.
! 239: */
! 240: void
! 241: rasops1_putchar8(cookie, row, col, uc, attr)
! 242: void *cookie;
! 243: int row, col;
! 244: u_int uc;
! 245: long attr;
! 246: {
! 247: int height, fs, rs, bg, fg;
! 248: struct rasops_info *ri;
! 249: u_char *fr, *rp;
! 250:
! 251: ri = (struct rasops_info *)cookie;
! 252:
! 253: #ifdef RASOPS_CLIPPING
! 254: /* Catches 'row < 0' case too */
! 255: if ((unsigned)row >= (unsigned)ri->ri_rows)
! 256: return;
! 257:
! 258: if ((unsigned)col >= (unsigned)ri->ri_cols)
! 259: return;
! 260: #endif
! 261:
! 262: rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale;
! 263: height = ri->ri_font->fontheight;
! 264: rs = ri->ri_stride;
! 265:
! 266: bg = (attr & 0x000f0000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0];
! 267: fg = (attr & 0x0f000000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0];
! 268:
! 269: /* If fg and bg match this becomes a space character */
! 270: if (fg == bg || uc == ' ') {
! 271: while (height--) {
! 272: *rp = bg;
! 273: rp += rs;
! 274: }
! 275: } else {
! 276: uc -= ri->ri_font->firstchar;
! 277: fr = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale;
! 278: fs = ri->ri_font->stride;
! 279:
! 280: /* NOT fontbits if bg is white */
! 281: if (bg) {
! 282: while (height--) {
! 283: *rp = ~*fr;
! 284: fr += fs;
! 285: rp += rs;
! 286: }
! 287: } else {
! 288: while (height--) {
! 289: *rp = *fr;
! 290: fr += fs;
! 291: rp += rs;
! 292: }
! 293: }
! 294:
! 295: }
! 296:
! 297: /* Do underline */
! 298: if ((attr & 1) != 0)
! 299: rp[-(ri->ri_stride << 1)] = fg;
! 300: }
! 301:
! 302: /*
! 303: * Paint a single character. This is for 16-pixel wide fonts.
! 304: */
! 305: void
! 306: rasops1_putchar16(cookie, row, col, uc, attr)
! 307: void *cookie;
! 308: int row, col;
! 309: u_int uc;
! 310: long attr;
! 311: {
! 312: int height, fs, rs, bg, fg;
! 313: struct rasops_info *ri;
! 314: u_char *fr, *rp;
! 315:
! 316: ri = (struct rasops_info *)cookie;
! 317:
! 318: #ifdef RASOPS_CLIPPING
! 319: /* Catches 'row < 0' case too */
! 320: if ((unsigned)row >= (unsigned)ri->ri_rows)
! 321: return;
! 322:
! 323: if ((unsigned)col >= (unsigned)ri->ri_cols)
! 324: return;
! 325: #endif
! 326:
! 327: rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale;
! 328: height = ri->ri_font->fontheight;
! 329: rs = ri->ri_stride;
! 330:
! 331: bg = (attr & 0x000f0000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0];
! 332: fg = (attr & 0x0f000000) ? ri->ri_devcmap[1] : ri->ri_devcmap[0];
! 333:
! 334: /* If fg and bg match this becomes a space character */
! 335: if (fg == bg || uc == ' ') {
! 336: while (height--) {
! 337: *(int16_t *)rp = bg;
! 338: rp += rs;
! 339: }
! 340: } else {
! 341: uc -= ri->ri_font->firstchar;
! 342: fr = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale;
! 343: fs = ri->ri_font->stride;
! 344:
! 345: /* NOT fontbits if bg is white */
! 346: if (bg) {
! 347: while (height--) {
! 348: rp[0] = ~fr[0];
! 349: rp[1] = ~fr[1];
! 350: fr += fs;
! 351: rp += rs;
! 352: }
! 353: } else {
! 354: while (height--) {
! 355: rp[0] = fr[0];
! 356: rp[1] = fr[1];
! 357: fr += fs;
! 358: rp += rs;
! 359: }
! 360: }
! 361: }
! 362:
! 363: /* Do underline */
! 364: if ((attr & 1) != 0)
! 365: *(int16_t *)(rp - (ri->ri_stride << 1)) = fg;
! 366: }
! 367: #endif /* !RASOPS_SMALL */
! 368:
! 369: /*
! 370: * Grab routines common to depths where (bpp < 8)
! 371: */
! 372: #define NAME(ident) rasops1_##ident
! 373: #define PIXEL_SHIFT 0
! 374:
! 375: #include <dev/rasops/rasops_bitops.h>