140 lines
3.8 KiB
C
140 lines
3.8 KiB
C
/*-
|
|
* 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>
|
|
|
|
#ifdef PC98
|
|
#include <pc98/pc98/pc98_machdep.h>
|
|
#endif
|
|
|
|
#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);
|
|
sc_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);
|