diff options
Diffstat (limited to 'sys/dev/syscons/star')
| -rw-r--r-- | sys/dev/syscons/star/star_saver.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/sys/dev/syscons/star/star_saver.c b/sys/dev/syscons/star/star_saver.c new file mode 100644 index 0000000..645e4fd --- /dev/null +++ b/sys/dev/syscons/star/star_saver.c @@ -0,0 +1,135 @@ +/*- + * Copyright (c) 1995-1998 Søren Schmidt + * All rights reserved. + * + * 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, + * without modification, immediately at the beginning of the file. + * 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. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/consio.h> +#include <sys/fbio.h> + +#include <machine/pc/display.h> + +#include <dev/fb/fbreg.h> +#include <dev/fb/splashreg.h> +#include <dev/syscons/syscons.h> + +#define NUM_STARS 50 + +static int blanked; + +/* + * Alternate saver that got its inspiration from a well known utility + * package for an inferior^H^H^H^H^H^Hfamous OS. + */ +static int +star_saver(video_adapter_t *adp, int blank) +{ + sc_softc_t *sc; + scr_stat *scp; + int cell, i; + char pattern[] = {"...........++++*** "}; +#ifndef PC98 + char colors[] = {FG_DARKGREY, FG_LIGHTGREY, + FG_WHITE, FG_LIGHTCYAN}; +#else + char colors[] = {FG_BLUE, FG_LIGHTGREY, + FG_LIGHTGREY, FG_CYAN}; +#endif /* PC98 */ + static u_short stars[NUM_STARS][2]; + + sc = sc_find_softc(adp, NULL); + if (sc == NULL) + return EAGAIN; + scp = sc->cur_scp; + + if (blank) { + if (adp->va_info.vi_flags & V_INFO_GRAPHICS) + return EAGAIN; + if (!blanked) { +#ifdef PC98 + if (epson_machine_id == 0x20) { + outb(0x43f, 0x42); + outb(0x0c17, inb(0xc17) & ~0x08); + outb(0x43f, 0x40); + } +#endif /* PC98 */ + /* clear the screen and set the border color */ + sc_vtb_clear(&scp->scr, sc->scr_map[0x20], + (FG_LIGHTGREY | BG_BLACK) << 8); + (*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1); + set_border(scp, 0); + blanked = TRUE; + for(i=0; i<NUM_STARS; i++) { + stars[i][0] = + random() % (scp->xsize*scp->ysize); + stars[i][1] = 0; + } + } + cell = random() % NUM_STARS; + sc_vtb_putc(&scp->scr, stars[cell][0], + sc->scr_map[pattern[stars[cell][1]]], + colors[random()%sizeof(colors)] << 8); + if ((stars[cell][1]+=(random()%4)) >= sizeof(pattern)-1) { + stars[cell][0] = random() % (scp->xsize*scp->ysize); + stars[cell][1] = 0; + } + } + else { +#ifdef PC98 + if (epson_machine_id == 0x20) { + outb(0x43f, 0x42); + outb(0x0c17, inb(0xc17) | 0x08); + outb(0x43f, 0x40); + } +#endif /* PC98 */ + blanked = FALSE; + } + return 0; +} + +static int +star_init(video_adapter_t *adp) +{ + blanked = FALSE; + return 0; +} + +static int +star_term(video_adapter_t *adp) +{ + return 0; +} + +static scrn_saver_t star_module = { + "star_saver", star_init, star_term, star_saver, NULL, +}; + +SAVER_MODULE(star_saver, star_module); |
