1 /* $OpenBSD: rasops32.c,v 1.5 2008/06/26 05:42:18 ray Exp $ */ 2 /* $NetBSD: rasops32.c,v 1.7 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 * 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 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/time.h> 36 37 #include <dev/wscons/wsdisplayvar.h> 38 #include <dev/wscons/wsconsio.h> 39 #include <dev/rasops/rasops.h> 40 41 void rasops32_putchar(void *, int, int, u_int, long); 42 43 /* 44 * Initialize a 'rasops_info' descriptor for this depth. 45 */ 46 void 47 rasops32_init(ri) 48 struct rasops_info *ri; 49 { 50 51 if (ri->ri_rnum == 0) { 52 ri->ri_rnum = 8; 53 ri->ri_rpos = 0; 54 ri->ri_gnum = 8; 55 ri->ri_gpos = 8; 56 ri->ri_bnum = 8; 57 ri->ri_bpos = 16; 58 } 59 60 ri->ri_ops.putchar = rasops32_putchar; 61 } 62 63 /* 64 * Paint a single character. 65 */ 66 void 67 rasops32_putchar(cookie, row, col, uc, attr) 68 void *cookie; 69 int row, col; 70 u_int uc; 71 long attr; 72 { 73 int width, height, cnt, fs, fb, clr[2]; 74 struct rasops_info *ri; 75 int32_t *dp, *rp; 76 u_char *fr; 77 78 ri = (struct rasops_info *)cookie; 79 80 #ifdef RASOPS_CLIPPING 81 /* Catches 'row < 0' case too */ 82 if ((unsigned)row >= (unsigned)ri->ri_rows) 83 return; 84 85 if ((unsigned)col >= (unsigned)ri->ri_cols) 86 return; 87 #endif 88 89 rp = (int32_t *)(ri->ri_bits + row*ri->ri_yscale + col*ri->ri_xscale); 90 91 height = ri->ri_font->fontheight; 92 width = ri->ri_font->fontwidth; 93 94 clr[0] = ri->ri_devcmap[(attr >> 16) & 0xf]; 95 clr[1] = ri->ri_devcmap[(attr >> 24) & 0xf]; 96 97 if (uc == ' ') { 98 while (height--) { 99 dp = rp; 100 DELTA(rp, ri->ri_stride, int32_t *); 101 102 for (cnt = width; cnt; cnt--) 103 *dp++ = clr[0]; 104 } 105 } else { 106 uc -= ri->ri_font->firstchar; 107 fr = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale; 108 fs = ri->ri_font->stride; 109 110 while (height--) { 111 dp = rp; 112 fb = fr[3] | (fr[2] << 8) | (fr[1] << 16) | 113 (fr[0] << 24); 114 fr += fs; 115 DELTA(rp, ri->ri_stride, int32_t *); 116 117 for (cnt = width; cnt; cnt--) { 118 *dp++ = clr[(fb >> 31) & 1]; 119 fb <<= 1; 120 } 121 } 122 } 123 124 /* Do underline */ 125 if ((attr & 1) != 0) { 126 DELTA(rp, -(ri->ri_stride << 1), int32_t *); 127 128 while (width--) 129 *rp++ = clr[1]; 130 } 131 } 132