static int
warp_saver(video_adapter_t *adp, int blank)
{
int pl;
if (blank) {
/* switch to graphics mode */
if (blanked <= 0) {
pl = splhigh();
vidd_set_mode(adp, scrmode);
vidd_load_palette(adp, warp_pal);
vidd_set_border(adp, 0);
blanked++;
vid = (u_char *)adp->va_window;
banksize = adp->va_window_size;
bpsl = adp->va_line_width;
splx(pl);
vidd_clear(adp);
}
/* update display */
warp_update(adp);
} else {
blanked = 0;
}
return (0);
}
static int
rain_saver(video_adapter_t *adp, int blank)
{
int i, j, o, p, pl;
u_char temp;
int last_origin = -1;
if (blank) {
/* switch to graphics mode */
if (blanked <= 0) {
pl = splhigh();
vidd_set_mode(adp, scrmode);
vidd_load_palette(adp, rain_pal);
vidd_set_border(adp, 0);
blanked++;
vid = (u_char *)adp->va_window;
banksize = adp->va_window_size;
bpsl = adp->va_line_width;
splx(pl);
for (i = 0; i < bpsl*scrh; i += banksize) {
SET_ORIGIN(adp, i);
if ((bpsl * scrh - i) < banksize)
bzero(vid, bpsl * scrh - i);
else
bzero(vid, banksize);
}
SET_ORIGIN(adp, 0);
for (i = 0, o = 0, p = 0; i < scrw; i += 2, p += 2) {
if (p > banksize) {
p -= banksize;
o += banksize;
SET_ORIGIN(adp, o);
}
vid[p] = 1 + (random() % MAX);
}
o = 0; p = 0;
for (j = 1; j < scrh; j++)
for (i = 0, p = bpsl * (j - 1) - o; i < scrw; i += 2, p+= 2) {
while (p > banksize) {
p -= banksize;
o += banksize;
}
SET_ORIGIN(adp, o);
temp = (vid[p] < MAX) ? 1 + vid[p] : 1;
if (p + bpsl < banksize) {
vid[p + bpsl] = temp;
} else {
SET_ORIGIN(adp, o + banksize);
vid[p + bpsl - banksize] = temp;
}
}
}
/* update display */
rain_update(adp);
} else {
blanked = 0;
}
return (0);
}
static int
bmp_splash(video_adapter_t *adp, int on)
{
static u_char pal[256*3];
static long time_stamp;
u_char tpal[256*3];
static int fading = TRUE, brightness = FADE_LEVELS;
struct timeval tv;
int i;
if (on) {
if (!splash_on) {
/* set up the video mode and draw something */
if (vidd_set_mode(adp, splash_mode))
return 1;
if (bmp_Draw(adp))
return 1;
vidd_save_palette(adp, pal);
time_stamp = 0;
splash_on = TRUE;
}
/*
* This is a kludge to fade the image away. This section of the
* code takes effect only after the system is completely up.
* FADE_TIMEOUT should be configurable.
*/
if (!cold) {
getmicrotime(&tv);
if (time_stamp == 0)
time_stamp = tv.tv_sec;
if (tv.tv_sec > time_stamp + FADE_TIMEOUT) {
if (fading)
if (brightness == 0) {
fading = FALSE;
brightness++;
}
else brightness--;
else
if (brightness == FADE_LEVELS) {
fading = TRUE;
brightness--;
}
else brightness++;
for (i = 0; i < sizeof(pal); ++i) {
tpal[i] = pal[i] * brightness / FADE_LEVELS;
}
vidd_load_palette(adp, tpal);
time_stamp = tv.tv_sec;
}
}
return 0;
} else {
/* the video mode will be restored by the caller */
splash_on = FALSE;
return 0;
}
}
static int
pcx_splash(video_adapter_t *adp, int on)
{
if (on) {
if (!splash_on) {
if (vidd_set_mode(adp, splash_mode) || pcx_draw(adp))
return 1;
splash_on = TRUE;
}
return (0);
} else {
splash_on = FALSE;
return (0);
}
}