2 * Copyright (c) 1998 Dag-Erling Coïdan Smørgrav
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
34 #include <sys/module.h>
35 #include <sys/syslog.h>
36 #include <sys/consio.h>
39 #include <dev/fb/fbreg.h>
40 #include <dev/fb/splashreg.h>
41 #include <dev/syscons/syscons.h>
43 #define SAVER_NAME "logo_saver"
45 #define SET_ORIGIN(adp, o) do { \
47 if (oo != last_origin) \
48 vidd_set_win_org(adp, last_origin = oo); \
51 extern unsigned int logo_w;
52 extern unsigned int logo_h;
53 extern unsigned char logo_pal[];
54 extern unsigned char logo_img[];
55 extern unsigned int logo_img_size;
58 static int banksize, scrmode, bpsl, scrw, scrh;
62 logo_blit(video_adapter_t *adp, int x, int y)
67 for (o = 0, p = y * bpsl + x; p > banksize; p -= banksize)
71 for (d = 0; d < logo_img_size; d += logo_w) {
72 if (p + logo_w < banksize) {
73 bcopy(logo_img + d, vid + p, logo_w);
75 } else if (p < banksize) {
77 bcopy(logo_img + d, vid + p, l);
78 SET_ORIGIN(adp, (o += banksize));
79 bcopy(logo_img + d + l, vid, logo_w - l);
83 SET_ORIGIN(adp, (o += banksize));
84 bcopy(logo_img + d, vid + p, logo_w);
91 logo_update(video_adapter_t *adp)
93 static int xpos = 0, ypos = 0;
94 static int xinc = 1, yinc = 1;
96 /* Turn when you hit the edge */
97 if ((xpos + logo_w + xinc > scrw) || (xpos + xinc < 0))
99 if ((ypos + logo_h + yinc > scrh) || (ypos + yinc < 0))
104 /* XXX Relies on margin around logo to erase trail */
105 logo_blit(adp, xpos, ypos);
109 logo_saver(video_adapter_t *adp, int blank)
114 /* switch to graphics mode */
117 vidd_set_mode(adp, scrmode);
118 vidd_load_palette(adp, logo_pal);
119 vidd_set_border(adp, 0);
121 vid = (u_char *)adp->va_window;
122 banksize = adp->va_window_size;
123 bpsl = adp->va_line_width;
135 logo_init(video_adapter_t *adp)
139 if (!vidd_get_info(adp, M_VESA_CG800x600, &info)) {
140 scrmode = M_VESA_CG800x600;
141 } else if (!vidd_get_info(adp, M_VGA_CG320, &info)) {
142 scrmode = M_VGA_CG320;
145 "%s: the console does not support M_VGA_CG320\n",
150 scrw = info.vi_width;
151 scrh = info.vi_height;
157 logo_term(video_adapter_t *adp)
162 static scrn_saver_t logo_module = {
171 SAVER_MODULE(beastie_saver, logo_module);
173 SAVER_MODULE(logo_saver, logo_module);