100 lines
2.8 KiB
C
100 lines
2.8 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 <dev/fb/fbreg.h>
|
|
#include <dev/fb/splashreg.h>
|
|
#include <dev/syscons/syscons.h>
|
|
|
|
static u_char palette[256*3];
|
|
|
|
static int
|
|
fade_saver(video_adapter_t *adp, int blank)
|
|
{
|
|
static int count = 0;
|
|
u_char pal[256*3];
|
|
int i;
|
|
|
|
if (blank) {
|
|
if (ISPALAVAIL(adp->va_flags)) {
|
|
if (count <= 0)
|
|
vidd_save_palette(adp, palette);
|
|
if (count < 256) {
|
|
pal[0] = pal[1] = pal[2] = 0;
|
|
for (i = 3; i < 256*3; i++) {
|
|
if (palette[i] - count > 60)
|
|
pal[i] = palette[i] - count;
|
|
else
|
|
pal[i] = 60;
|
|
}
|
|
vidd_load_palette(adp, pal);
|
|
count++;
|
|
}
|
|
} else {
|
|
vidd_blank_display(adp, V_DISPLAY_BLANK);
|
|
}
|
|
} else {
|
|
if (ISPALAVAIL(adp->va_flags)) {
|
|
vidd_load_palette(adp, palette);
|
|
count = 0;
|
|
} else {
|
|
vidd_blank_display(adp, V_DISPLAY_ON);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
fade_init(video_adapter_t *adp)
|
|
{
|
|
if (!ISPALAVAIL(adp->va_flags) &&
|
|
vidd_blank_display(adp, V_DISPLAY_ON) != 0)
|
|
return ENODEV;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
fade_term(video_adapter_t *adp)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static scrn_saver_t fade_module = {
|
|
"fade_saver", fade_init, fade_term, fade_saver, NULL,
|
|
};
|
|
|
|
SAVER_MODULE(fade_saver, fade_module);
|