2 * Copyright (c) 1995-1998 Søren Schmidt
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * $FreeBSD: src/sys/modules/syscons/star/star_saver.c,v 1.23.2.2 2001/05/06 05:44:29 nyan Exp $
29 * $DragonFly: src/sys/dev/misc/syscons/star/star_saver.c,v 1.5 2006/09/03 18:52:28 dillon Exp $
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
36 #include <sys/consio.h>
39 #include <machine/pc/display.h>
41 #include <dev/video/fb/fbreg.h>
42 #include <dev/video/fb/splashreg.h>
43 #include "../syscons.h"
50 * Alternate saver that got its inspiration from a well known utility
51 * package for an inferior^H^H^H^H^H^Hfamous OS.
54 star_saver(video_adapter_t *adp, int blank)
59 static u_char pattern[] = {"...........++++*** "};
60 static char colors[] = {FG_DARKGREY, FG_LIGHTGREY,
61 FG_WHITE, FG_LIGHTCYAN};
62 static u_short stars[NUM_STARS][2];
64 sc = sc_find_softc(adp, NULL);
70 if (adp->va_info.vi_flags & V_INFO_GRAPHICS)
73 /* clear the screen and set the border color */
74 sc_vtb_clear(&scp->scr, sc->scr_map[0x20],
75 (FG_LIGHTGREY | BG_BLACK) << 8);
76 (*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1);
77 sc_set_border(scp, 0);
79 for(i=0; i<NUM_STARS; i++) {
81 krandom() % (scp->xsize*scp->ysize);
85 cell = krandom() % NUM_STARS;
86 sc_vtb_putc(&scp->scr, stars[cell][0],
87 sc->scr_map[pattern[stars[cell][1]]],
88 colors[krandom()%sizeof(colors)] << 8);
89 if ((stars[cell][1]+=(krandom()%4)) >= sizeof(pattern)-1) {
90 stars[cell][0] = krandom() % (scp->xsize*scp->ysize);
101 star_init(video_adapter_t *adp)
108 star_term(video_adapter_t *adp)
113 static scrn_saver_t star_module = {
114 "star_saver", star_init, star_term, star_saver, NULL,
117 SAVER_MODULE(star_saver, star_module);