diff options
author | Jordan K. Hubbard <jkh@FreeBSD.org> | 1999-05-04 12:23:32 +0000 |
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committer | Jordan K. Hubbard <jkh@FreeBSD.org> | 1999-05-04 12:23:32 +0000 |
commit | cc611a43c20093aec01b4bf8b8755c46af148735 (patch) | |
tree | ccf0d34a0896278b873c56e79ef232072ecb1998 /sys/modules/syscons | |
parent | 9b6c9bcee5e9cb49a2021f27950dc756bd84e535 (diff) | |
download | src-cc611a43c20093aec01b4bf8b8755c46af148735.tar.gz src-cc611a43c20093aec01b4bf8b8755c46af148735.zip |
Add "fire" screen saver.
Submitted by: Brad Forschinger <retch@flag.blackened.net>
Notes
Notes:
svn path=/head/; revision=46407
Diffstat (limited to 'sys/modules/syscons')
-rw-r--r-- | sys/modules/syscons/Makefile | 4 | ||||
-rw-r--r-- | sys/modules/syscons/fire/Makefile | 9 | ||||
-rw-r--r-- | sys/modules/syscons/fire/fire_saver.c | 103 |
3 files changed, 114 insertions, 2 deletions
diff --git a/sys/modules/syscons/Makefile b/sys/modules/syscons/Makefile index d817ca271a49..14c8f2fee176 100644 --- a/sys/modules/syscons/Makefile +++ b/sys/modules/syscons/Makefile @@ -1,5 +1,5 @@ -# $Id: Makefile,v 1.6 1998/12/28 14:23:43 des Exp $ +# $Id: Makefile,v 1.7 1998/12/31 13:42:00 des Exp $ -SUBDIR= blank daemon fade green logo rain snake star warp +SUBDIR= blank daemon fade green logo rain snake star warp fire .include <bsd.subdir.mk> diff --git a/sys/modules/syscons/fire/Makefile b/sys/modules/syscons/fire/Makefile new file mode 100644 index 000000000000..e078f2cbfaea --- /dev/null +++ b/sys/modules/syscons/fire/Makefile @@ -0,0 +1,9 @@ + +KMOD= fire_saver +SRCS= fire_saver.c + +NOMAN= +CFLAGS+= -I${.CURDIR}/.. +CWARNFLAGS= -Wall -pedantic + +.include <bsd.kmod.mk> diff --git a/sys/modules/syscons/fire/fire_saver.c b/sys/modules/syscons/fire/fire_saver.c new file mode 100644 index 000000000000..5e2c64353dfd --- /dev/null +++ b/sys/modules/syscons/fire/fire_saver.c @@ -0,0 +1,103 @@ + +/* + * brad forschinger, 19990504 + * <retch@flag.blackened.net> + * + * written with much help from warp_saver.c + * + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/syslog.h> + +#include <machine/md_var.h> +#include <machine/random.h> + +#include <saver.h> + +#define X_SIZE 320 +#define Y_SIZE 200 + +int blanked; +u_char fire_pal[768]; +u_char buf[X_SIZE * (Y_SIZE + 1)]; + +int fire_saver(video_adapter_t *adp, int blank) { + static u_char *vid; + int x, y; + + if (blank) { + if (blanked <= 0) { + int red, green, blue; + int palette_index; + + set_video_mode(adp, M_VGA_CG320); + + /* build palette */ + red = green = blue = 0; + for (palette_index = 0; palette_index < 256; palette_index++) { + + red++; + if (red > 128) + green += 2; + + fire_pal[(palette_index * 3) + 0] = red; + fire_pal[(palette_index * 3) + 1] = green; + fire_pal[(palette_index * 3) + 2] = blue; + } + load_palette(adp, fire_pal); + + blanked++; + vid = (u_char *)adp->va_window; + } + + /* make a new bottom line */ + for (x = 0, y = Y_SIZE; x < X_SIZE; x++) + buf[x + (y * X_SIZE)] = random() % 160 + 96; + + /* fade the flames out */ + for (y = 0; y < Y_SIZE; y++) { + for (x = 0; x < X_SIZE; x++) { + buf[x + (y * X_SIZE)] = (buf[(x + 0) + ((y + 0) * X_SIZE)] + + buf[(x - 1) + ((y + 1) * X_SIZE)] + + buf[(x + 0) + ((y + 1) * X_SIZE)] + + buf[(x + 1) + ((y + 1) * X_SIZE)]) / 4; + if (buf[x + (y * X_SIZE)] > 0) + buf[x + (y * X_SIZE)]--; + } + } + + /* put our buffer into video ram */ + memcpy(vid, buf, X_SIZE * Y_SIZE); + } else { + blanked = 0; + } + + return(0); +} + +int fire_initialise(video_adapter_t *adp) { + video_info_t info; + + if (get_mode_info(adp, M_VGA_CG320, &info)) { + log(LOG_NOTICE, "fire_saver: the console does not support M_VGA_CG320\n"); + return(ENODEV); + } + + blanked = 0; + + return(0); +} + +int fire_terminate(video_adapter_t *adp) { + return(0); +} + +static scrn_saver_t fire_module = { + "fire_saver", fire_initialise, fire_terminate, fire_saver, NULL +}; + +SAVER_MODULE(fire_saver, fire_module); |