diff options
Diffstat (limited to 'sys/modules/syscons/fade')
| -rw-r--r-- | sys/modules/syscons/fade/Makefile | 9 | ||||
| -rw-r--r-- | sys/modules/syscons/fade/fade_saver.c | 105 |
2 files changed, 114 insertions, 0 deletions
diff --git a/sys/modules/syscons/fade/Makefile b/sys/modules/syscons/fade/Makefile new file mode 100644 index 0000000..5fc34eb --- /dev/null +++ b/sys/modules/syscons/fade/Makefile @@ -0,0 +1,9 @@ +# $FreeBSD$ + +KMOD= fade_saver +SRCS= fade_saver.c + +NOMAN= +CFLAGS+= -I${.CURDIR}/.. + +.include <bsd.kmod.mk> diff --git a/sys/modules/syscons/fade/fade_saver.c b/sys/modules/syscons/fade/fade_saver.c new file mode 100644 index 0000000..052fa92 --- /dev/null +++ b/sys/modules/syscons/fade/fade_saver.c @@ -0,0 +1,105 @@ +/*- + * 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 blanked; + +static int +fade_saver(video_adapter_t *adp, int blank) +{ + static int count = 0; + u_char pal[256*3]; + int i; + + if (blank) { + blanked = TRUE; + if (ISPALAVAIL(adp->va_flags)) { + if (count <= 0) + 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; + } + load_palette(adp, pal); + count++; + } + } else { + (*vidsw[adp->va_index]->blank_display)(adp, + V_DISPLAY_BLANK); + } + } else { + if (ISPALAVAIL(adp->va_flags)) { + load_palette(adp, palette); + count = 0; + } else { + (*vidsw[adp->va_index]->blank_display)(adp, + V_DISPLAY_ON); + } + blanked = FALSE; + } + return 0; +} + +static int +fade_init(video_adapter_t *adp) +{ + if (!ISPALAVAIL(adp->va_flags) + && (*vidsw[adp->va_index]->blank_display)(adp, V_DISPLAY_ON) != 0) + return ENODEV; + blanked = FALSE; + 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); |
