404 lines
10 KiB
C
404 lines
10 KiB
C
/*-
|
|
* Copyright (c) 1997 Sandro Sigala, Brescia, Italy.
|
|
* Copyright (c) 1997 Chris Shenton
|
|
* Copyright (c) 1995 S ren 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
|
|
* in this position and unchanged.
|
|
* 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.
|
|
*
|
|
* 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/module.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/sysctl.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 DAEMON_MAX_WIDTH 32
|
|
#define DAEMON_MAX_HEIGHT 19
|
|
|
|
static u_char *message;
|
|
static int messagelen;
|
|
static int blanked;
|
|
|
|
/* Who is the author of this ASCII pic? */
|
|
|
|
static u_char *daemon_pic[] = {
|
|
" , ,",
|
|
" /( )`",
|
|
" \\ \\___ / |",
|
|
" /- _ `-/ '",
|
|
" (/\\/ \\ \\ /\\",
|
|
" / / | ` \\",
|
|
" O O ) / |",
|
|
" `-^--'`< '",
|
|
" (_.) _ ) /",
|
|
" `.___/` /",
|
|
" `-----' /",
|
|
"<----. __ / __ \\",
|
|
"<----|====O)))==) \\) /====",
|
|
"<----' `--' `.__,' \\",
|
|
" | |",
|
|
" \\ / /\\",
|
|
" ______( (_ / \\______/",
|
|
" ,' ,-----' |",
|
|
" `--{__________)",
|
|
NULL
|
|
};
|
|
|
|
static u_char *daemon_attr[] = {
|
|
" R R",
|
|
" RR RR",
|
|
" R RRRR R R",
|
|
" RR W RRR R",
|
|
" RWWW W R RR",
|
|
" W W W R R",
|
|
" B B W R R",
|
|
" WWWWWWRR R",
|
|
" RRRR R R R",
|
|
" RRRRRRR R",
|
|
" RRRRRRR R",
|
|
"YYYYYY RR R RR R",
|
|
"YYYYYYYYYYRRRRYYR RR RYYYY",
|
|
"YYYYYY RRRR RRRRRR R",
|
|
" R R",
|
|
" R R RR",
|
|
" CCCCCCR RR R RRRRRRRR",
|
|
" CC CCCCCCC C",
|
|
" CCCCCCCCCCCCCCC",
|
|
NULL
|
|
};
|
|
|
|
/*
|
|
* Reverse a graphics character, or return unaltered if no mirror;
|
|
* should do alphanumerics too, but I'm too lazy. <cshenton@it.hq.nasa.gov>
|
|
*/
|
|
|
|
static u_char
|
|
xflip_symbol(u_char symbol)
|
|
{
|
|
static const u_char lchars[] = "`'(){}[]\\/<>";
|
|
static const u_char rchars[] = "'`)(}{][/\\><";
|
|
int pos;
|
|
|
|
for (pos = 0; lchars[pos] != '\0'; pos++)
|
|
if (lchars[pos] == symbol)
|
|
return rchars[pos];
|
|
|
|
return symbol;
|
|
}
|
|
|
|
static void
|
|
clear_daemon(sc_softc_t *sc, int xpos, int ypos, int dxdir, int xoff, int yoff,
|
|
int xlen, int ylen)
|
|
{
|
|
int y;
|
|
|
|
if (xlen <= 0)
|
|
return;
|
|
for (y = yoff; y < ylen; y++) {
|
|
sc_vtb_erase(&sc->cur_scp->scr,
|
|
(ypos + y)*sc->cur_scp->xsize + xpos + xoff,
|
|
xlen - xoff,
|
|
sc->scr_map[0x20], (FG_LIGHTGREY | BG_BLACK) << 8);
|
|
}
|
|
}
|
|
|
|
static void
|
|
draw_daemon(sc_softc_t *sc, int xpos, int ypos, int dxdir, int xoff, int yoff,
|
|
int xlen, int ylen)
|
|
{
|
|
int x, y;
|
|
int px;
|
|
int attr;
|
|
|
|
for (y = yoff; y < ylen; y++) {
|
|
if (dxdir < 0)
|
|
px = xoff;
|
|
else
|
|
px = DAEMON_MAX_WIDTH - xlen;
|
|
if (px >= strlen(daemon_pic[y]))
|
|
continue;
|
|
for (x = xoff; (x < xlen) && (daemon_pic[y][px] != '\0'); x++, px++) {
|
|
switch (daemon_attr[y][px]) {
|
|
#ifndef PC98
|
|
case 'R': attr = (FG_LIGHTRED|BG_BLACK)<<8; break;
|
|
case 'Y': attr = (FG_YELLOW|BG_BLACK)<<8; break;
|
|
case 'B': attr = (FG_LIGHTBLUE|BG_BLACK)<<8; break;
|
|
case 'W': attr = (FG_LIGHTGREY|BG_BLACK)<<8; break;
|
|
case 'C': attr = (FG_CYAN|BG_BLACK)<<8; break;
|
|
default: attr = (FG_WHITE|BG_BLACK)<<8; break;
|
|
#else /* PC98 */
|
|
case 'R': attr = (FG_RED|BG_BLACK)<<8; break;
|
|
case 'Y': attr = (FG_BROWN|BG_BLACK)<<8; break;
|
|
case 'B': attr = (FG_BLUE|BG_BLACK)<<8; break;
|
|
case 'W': attr = (FG_LIGHTGREY|BG_BLACK)<<8; break;
|
|
case 'C': attr = (FG_CYAN|BG_BLACK)<<8; break;
|
|
default: attr = (FG_LIGHTGREY|BG_BLACK)<<8; break;
|
|
#endif /* PC98 */
|
|
}
|
|
if (dxdir < 0) { /* Moving left */
|
|
sc_vtb_putc(&sc->cur_scp->scr,
|
|
(ypos + y)*sc->cur_scp->xsize
|
|
+ xpos + x,
|
|
sc->scr_map[daemon_pic[y][px]],
|
|
attr);
|
|
} else { /* Moving right */
|
|
sc_vtb_putc(&sc->cur_scp->scr,
|
|
(ypos + y)*sc->cur_scp->xsize
|
|
+ xpos + DAEMON_MAX_WIDTH
|
|
- px - 1,
|
|
sc->scr_map[xflip_symbol(daemon_pic[y][px])],
|
|
attr);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
clear_string(sc_softc_t *sc, int xpos, int ypos, int xoff, char *s, int len)
|
|
{
|
|
if (len <= 0)
|
|
return;
|
|
sc_vtb_erase(&sc->cur_scp->scr,
|
|
ypos*sc->cur_scp->xsize + xpos + xoff, len - xoff,
|
|
sc->scr_map[0x20], (FG_LIGHTGREY | BG_BLACK) << 8);
|
|
}
|
|
|
|
static void
|
|
draw_string(sc_softc_t *sc, int xpos, int ypos, int xoff, u_char *s, int len)
|
|
{
|
|
int x;
|
|
|
|
for (x = xoff; x < len; x++) {
|
|
#ifdef PC98
|
|
sc_vtb_putc(&sc->cur_scp->scr,
|
|
ypos*sc->cur_scp->xsize + xpos + x,
|
|
sc->scr_map[s[x]], (FG_GREEN | BG_BLACK) << 8);
|
|
#else
|
|
sc_vtb_putc(&sc->cur_scp->scr,
|
|
ypos*sc->cur_scp->xsize + xpos + x,
|
|
sc->scr_map[s[x]], (FG_LIGHTGREEN | BG_BLACK) << 8);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static int
|
|
daemon_saver(video_adapter_t *adp, int blank)
|
|
{
|
|
static int txpos = 10, typos = 10;
|
|
static int txdir = -1, tydir = -1;
|
|
static int dxpos = 0, dypos = 0;
|
|
static int dxdir = 1, dydir = 1;
|
|
static int moved_daemon = 0;
|
|
static int xoff, yoff, toff;
|
|
static int xlen, ylen, tlen;
|
|
sc_softc_t *sc;
|
|
scr_stat *scp;
|
|
int min, max;
|
|
|
|
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 == 0) {
|
|
#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);
|
|
xlen = ylen = tlen = 0;
|
|
}
|
|
if (blanked++ < 2)
|
|
return 0;
|
|
blanked = 1;
|
|
|
|
clear_daemon(sc, dxpos, dypos, dxdir, xoff, yoff, xlen, ylen);
|
|
clear_string(sc, txpos, typos, toff, message, tlen);
|
|
|
|
if (++moved_daemon) {
|
|
/*
|
|
* The daemon picture may be off the screen, if
|
|
* screen size is chagened while the screen
|
|
* saver is inactive. Make sure the origin of
|
|
* the picture is between min and max.
|
|
*/
|
|
if (scp->xsize <= DAEMON_MAX_WIDTH) {
|
|
/*
|
|
* If the screen width is too narrow, we
|
|
* allow part of the picture go off
|
|
* the screen so that the daemon won't
|
|
* flip too often.
|
|
*/
|
|
min = scp->xsize - DAEMON_MAX_WIDTH - 10;
|
|
max = 10;
|
|
} else {
|
|
min = 0;
|
|
max = scp->xsize - DAEMON_MAX_WIDTH;
|
|
}
|
|
if (dxpos <= min) {
|
|
dxpos = min;
|
|
dxdir = 1;
|
|
} else if (dxpos >= max) {
|
|
dxpos = max;
|
|
dxdir = -1;
|
|
}
|
|
|
|
if (scp->ysize <= DAEMON_MAX_HEIGHT) {
|
|
min = scp->ysize - DAEMON_MAX_HEIGHT - 10;
|
|
max = 10;
|
|
} else {
|
|
min = 0;
|
|
max = scp->ysize - DAEMON_MAX_HEIGHT;
|
|
}
|
|
if (dypos <= min) {
|
|
dypos = min;
|
|
dydir = 1;
|
|
} else if (dypos >= max) {
|
|
dypos = max;
|
|
dydir = -1;
|
|
}
|
|
|
|
moved_daemon = -1;
|
|
dxpos += dxdir; dypos += dydir;
|
|
|
|
/* clip the picture */
|
|
xoff = 0;
|
|
xlen = DAEMON_MAX_WIDTH;
|
|
if (dxpos + xlen <= 0)
|
|
xlen = 0;
|
|
else if (dxpos < 0)
|
|
xoff = -dxpos;
|
|
if (dxpos >= scp->xsize)
|
|
xlen = 0;
|
|
else if (dxpos + xlen > scp->xsize)
|
|
xlen = scp->xsize - dxpos;
|
|
yoff = 0;
|
|
ylen = DAEMON_MAX_HEIGHT;
|
|
if (dypos + ylen <= 0)
|
|
ylen = 0;
|
|
else if (dypos < 0)
|
|
yoff = -dypos;
|
|
if (dypos >= scp->ysize)
|
|
ylen = 0;
|
|
else if (dypos + ylen > scp->ysize)
|
|
ylen = scp->ysize - dypos;
|
|
}
|
|
|
|
if (scp->xsize <= messagelen) {
|
|
min = scp->xsize - messagelen - 10;
|
|
max = 10;
|
|
} else {
|
|
min = 0;
|
|
max = scp->xsize - messagelen;
|
|
}
|
|
if (txpos <= min) {
|
|
txpos = min;
|
|
txdir = 1;
|
|
} else if (txpos >= max) {
|
|
txpos = max;
|
|
txdir = -1;
|
|
}
|
|
if (typos <= 0) {
|
|
typos = 0;
|
|
tydir = 1;
|
|
} else if (typos >= scp->ysize - 1) {
|
|
typos = scp->ysize - 1;
|
|
tydir = -1;
|
|
}
|
|
txpos += txdir; typos += tydir;
|
|
|
|
toff = 0;
|
|
tlen = messagelen;
|
|
if (txpos + tlen <= 0)
|
|
tlen = 0;
|
|
else if (txpos < 0)
|
|
toff = -txpos;
|
|
if (txpos >= scp->xsize)
|
|
tlen = 0;
|
|
else if (txpos + tlen > scp->xsize)
|
|
tlen = scp->xsize - txpos;
|
|
|
|
draw_daemon(sc, dxpos, dypos, dxdir, xoff, yoff, xlen, ylen);
|
|
draw_string(sc, txpos, typos, toff, message, tlen);
|
|
} else {
|
|
#ifdef PC98
|
|
if (epson_machine_id == 0x20) {
|
|
outb(0x43f, 0x42);
|
|
outb(0x0c17, inb(0xc17) | 0x08);
|
|
outb(0x43f, 0x40);
|
|
}
|
|
#endif /* PC98 */
|
|
blanked = 0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
daemon_init(video_adapter_t *adp)
|
|
{
|
|
messagelen = strlen(hostname) + 3 + strlen(ostype) + 1 +
|
|
strlen(osrelease);
|
|
message = malloc(messagelen + 1, M_DEVBUF, M_WAITOK);
|
|
sprintf(message, "%s - %s %s", hostname, ostype, osrelease);
|
|
blanked = 0;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
daemon_term(video_adapter_t *adp)
|
|
{
|
|
free(message, M_DEVBUF);
|
|
return 0;
|
|
}
|
|
|
|
static scrn_saver_t daemon_module = {
|
|
"daemon_saver", daemon_init, daemon_term, daemon_saver, NULL,
|
|
};
|
|
|
|
SAVER_MODULE(daemon_saver, daemon_module);
|