diff --git a/sys/dev/syscons/rain/rain_saver.c b/sys/dev/syscons/rain/rain_saver.c new file mode 100644 index 00000000000..0ca46c8accb --- /dev/null +++ b/sys/dev/syscons/rain/rain_saver.c @@ -0,0 +1,136 @@ +/*- + * Copyright (c) 1998 Dag-Erling Coïdan Smørgrav + * 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. + * 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. + * + * $Id$ + */ + +#include +#include +#include +#include +#include + +#include +#include + +#include + +static u_char *vid; + +#define SCRW 320 +#define SCRH 200 +#define MAX 63 + +static u_char save_pal[768]; +static u_char rain_pal[768]; + +static void +rain_update(void) +{ + int i, t; + + t = rain_pal[(MAX*3+2)]; + for (i = (MAX*3+2); i > 5; i -= 3) + rain_pal[i] = rain_pal[i-3]; + rain_pal[5] = t; + load_palette(cur_console, rain_pal); +} + +static void +rain_saver(int blank) +{ + scr_stat *scp = cur_console; + static int saved_mode; + int i, j, k, pl; + + if (blank) { + /* switch to graphics mode */ + if (scrn_blanked <= 0) { + pl = splhigh(); + saved_mode = scp->mode; + scp->mode = M_VGA_CG320; + scp->status |= SAVER_RUNNING|GRAPHICS_MODE; + save_palette(scp, save_pal); + set_mode(scp); + load_palette(scp, rain_pal); + scrn_blanked++; + vid = (u_char *)Crtat; + splx(pl); + bzero(vid, SCRW*SCRH); + for (i = 0; i < SCRW; i += 2) + vid[i] = 1 + (random() % MAX); + for (j = 1, k = SCRW; j < SCRH; j++) + for (i = 0; i < SCRW; i += 2, k += 2) + vid[k] = (vid[k-SCRW] < MAX) ? 1 + vid[k-SCRW] : 1; + } + + /* update display */ + rain_update(); + + } else { + /* return to previous video mode */ + if (scrn_blanked > 0) { + if (saved_mode) { + pl = splhigh(); + scrn_blanked = 0; + scp->mode = saved_mode; + scp->status &= ~(SAVER_RUNNING|GRAPHICS_MODE); + set_mode(scp); + load_palette(scp, save_pal); + saved_mode = 0; + splx(pl); + } + } + } +} + +static int +rain_saver_load(void) +{ + video_info_t info; + int i; + + /* check that the console is capable of running in 320x200x256 */ + if ((*biosvidsw.get_info)(cur_console->adp, M_VGA_CG320, &info)) { + log(LOG_NOTICE, "rain_saver: the console does not support M_VGA_CG320\n"); + return ENODEV; + } + + /* intialize the palette */ + for (i = 3; i < (MAX+1)*3; i += 3) + rain_pal[i+2] = rain_pal[i-1] + 4; + + return add_scrn_saver(rain_saver); +} + +static int +rain_saver_unload(void) +{ + return remove_scrn_saver(rain_saver); +} + +SAVER_MODULE(rain_saver); diff --git a/sys/modules/syscons/rain/Makefile b/sys/modules/syscons/rain/Makefile new file mode 100644 index 00000000000..8b964f34a0f --- /dev/null +++ b/sys/modules/syscons/rain/Makefile @@ -0,0 +1,10 @@ +# $Id: Makefile,v 1.1 1998/12/27 22:03:09 des Exp $ + +KMOD= rain_saver +SRCS= rain_saver.c + +NOMAN= +CFLAGS+= -I${.CURDIR}/.. +CWARNFLAGS= -Wall -pedantic + +.include diff --git a/sys/modules/syscons/rain/rain_saver.c b/sys/modules/syscons/rain/rain_saver.c new file mode 100644 index 00000000000..0ca46c8accb --- /dev/null +++ b/sys/modules/syscons/rain/rain_saver.c @@ -0,0 +1,136 @@ +/*- + * Copyright (c) 1998 Dag-Erling Coïdan Smørgrav + * 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. + * 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. + * + * $Id$ + */ + +#include +#include +#include +#include +#include + +#include +#include + +#include + +static u_char *vid; + +#define SCRW 320 +#define SCRH 200 +#define MAX 63 + +static u_char save_pal[768]; +static u_char rain_pal[768]; + +static void +rain_update(void) +{ + int i, t; + + t = rain_pal[(MAX*3+2)]; + for (i = (MAX*3+2); i > 5; i -= 3) + rain_pal[i] = rain_pal[i-3]; + rain_pal[5] = t; + load_palette(cur_console, rain_pal); +} + +static void +rain_saver(int blank) +{ + scr_stat *scp = cur_console; + static int saved_mode; + int i, j, k, pl; + + if (blank) { + /* switch to graphics mode */ + if (scrn_blanked <= 0) { + pl = splhigh(); + saved_mode = scp->mode; + scp->mode = M_VGA_CG320; + scp->status |= SAVER_RUNNING|GRAPHICS_MODE; + save_palette(scp, save_pal); + set_mode(scp); + load_palette(scp, rain_pal); + scrn_blanked++; + vid = (u_char *)Crtat; + splx(pl); + bzero(vid, SCRW*SCRH); + for (i = 0; i < SCRW; i += 2) + vid[i] = 1 + (random() % MAX); + for (j = 1, k = SCRW; j < SCRH; j++) + for (i = 0; i < SCRW; i += 2, k += 2) + vid[k] = (vid[k-SCRW] < MAX) ? 1 + vid[k-SCRW] : 1; + } + + /* update display */ + rain_update(); + + } else { + /* return to previous video mode */ + if (scrn_blanked > 0) { + if (saved_mode) { + pl = splhigh(); + scrn_blanked = 0; + scp->mode = saved_mode; + scp->status &= ~(SAVER_RUNNING|GRAPHICS_MODE); + set_mode(scp); + load_palette(scp, save_pal); + saved_mode = 0; + splx(pl); + } + } + } +} + +static int +rain_saver_load(void) +{ + video_info_t info; + int i; + + /* check that the console is capable of running in 320x200x256 */ + if ((*biosvidsw.get_info)(cur_console->adp, M_VGA_CG320, &info)) { + log(LOG_NOTICE, "rain_saver: the console does not support M_VGA_CG320\n"); + return ENODEV; + } + + /* intialize the palette */ + for (i = 3; i < (MAX+1)*3; i += 3) + rain_pal[i+2] = rain_pal[i-1] + 4; + + return add_scrn_saver(rain_saver); +} + +static int +rain_saver_unload(void) +{ + return remove_scrn_saver(rain_saver); +} + +SAVER_MODULE(rain_saver);