diff options
Diffstat (limited to 'sys/dev/rasops/rasops32.c')
| -rw-r--r-- | sys/dev/rasops/rasops32.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/sys/dev/rasops/rasops32.c b/sys/dev/rasops/rasops32.c new file mode 100644 index 00000000000..2df3db2b385 --- /dev/null +++ b/sys/dev/rasops/rasops32.c @@ -0,0 +1,142 @@ +/* $OpenBSD: rasops32.c,v 1.1 2001/03/18 04:32:45 nate Exp $ */ +/* $NetBSD: rasops32.c,v 1.7 2000/04/12 14:22:29 pk Exp $ */ + +/*- + * Copyright (c) 1999 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Andrew Doran. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +//__KERNEL_RCSID(0, "$NetBSD: rasops32.c,v 1.7 2000/04/12 14:22:29 pk Exp $"); + +#include <sys/types.h> +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/time.h> + +#include <dev/wscons/wsdisplayvar.h> +#include <dev/wscons/wsconsio.h> +#include <dev/rasops/rasops.h> + +static void rasops32_putchar __P((void *, int, int, u_int, long attr)); + +/* + * Initalize a 'rasops_info' descriptor for this depth. + */ +void +rasops32_init(ri) + struct rasops_info *ri; +{ + + if (ri->ri_rnum == 0) { + ri->ri_rnum = 8; + ri->ri_rpos = 0; + ri->ri_gnum = 8; + ri->ri_gpos = 8; + ri->ri_bnum = 8; + ri->ri_bpos = 16; + } + + ri->ri_ops.putchar = rasops32_putchar; +} + +/* + * Paint a single character. + */ +static void +rasops32_putchar(cookie, row, col, uc, attr) + void *cookie; + int row, col; + u_int uc; + long attr; +{ + int width, height, cnt, fs, fb, clr[2]; + struct rasops_info *ri; + int32_t *dp, *rp; + u_char *fr; + + ri = (struct rasops_info *)cookie; + +#ifdef RASOPS_CLIPPING + /* Catches 'row < 0' case too */ + if ((unsigned)row >= (unsigned)ri->ri_rows) + return; + + if ((unsigned)col >= (unsigned)ri->ri_cols) + return; +#endif + + rp = (int32_t *)(ri->ri_bits + row*ri->ri_yscale + col*ri->ri_xscale); + + height = ri->ri_font->fontheight; + width = ri->ri_font->fontwidth; + + clr[0] = ri->ri_devcmap[(attr >> 16) & 0xf]; + clr[1] = ri->ri_devcmap[(attr >> 24) & 0xf]; + + if (uc == ' ') { + while (height--) { + dp = rp; + DELTA(rp, ri->ri_stride, int32_t *); + + for (cnt = width; cnt; cnt--) + *dp++ = clr[0]; + } + } else { + uc -= ri->ri_font->firstchar; + fr = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale; + fs = ri->ri_font->stride; + + while (height--) { + dp = rp; + fb = fr[3] | (fr[2] << 8) | (fr[1] << 16) | + (fr[0] << 24); + fr += fs; + DELTA(rp, ri->ri_stride, int32_t *); + + for (cnt = width; cnt; cnt--) { + *dp++ = clr[(fb >> 31) & 1]; + fb <<= 1; + } + } + } + + /* Do underline */ + if ((attr & 1) != 0) { + DELTA(rp, -(ri->ri_stride << 1), int32_t *); + + while (width--) + *rp++ = clr[1]; + } +} |