static void cls(struct fbc_priv *priv)
{
void *buf = gui_screen_render_buffer(priv->sc);
memset(buf, 0, priv->fb->line_length * priv->fb->yres);
gu_screen_blit(priv->sc);
}
static int do_fbtest(int argc, char *argv[])
{
struct screen *sc;
int opt;
unsigned int i;
const char *pattern_name = NULL;
char *fbdev = "/dev/fb0";
void (*pattern) (struct screen *sc, u32 color) = NULL;
u32 color = 0xffffff;
struct {
const char *name;
void (*func) (struct screen *sc, u32 color);
} patterns[] = {
{ "geometry", fbtest_pattern_geometry },
{ "bars", fbtest_pattern_bars }
};
while((opt = getopt(argc, argv, "d:p:c:")) > 0) {
switch(opt) {
case 'd':
fbdev = optarg;
break;
case 'p':
pattern_name = optarg;
break;
case 'c':
color = simple_strtoul(optarg, NULL, 16);
break;
default:
return COMMAND_ERROR_USAGE;
}
}
if (pattern_name) {
for (i = 0; i < ARRAY_SIZE(patterns); i++)
if (!strcmp(pattern_name, patterns[i].name))
pattern = patterns[i].func;
if (!pattern) {
printf("Unknown pattern: %s\n", pattern_name);
return -EINVAL;
}
}
sc = fb_open(fbdev);
if (IS_ERR(sc)) {
perror("fd_open");
return PTR_ERR(sc);
}
if (!pattern_name) {
printf("No pattern selected. Cycling through all of them.\n");
printf("Press Ctrl-C to stop\n");
i = 0;
for (;;) {
uint64_t start;
pattern = patterns[i++ % ARRAY_SIZE(patterns)].func;
pattern(sc, color);
gu_screen_blit(sc);
start = get_time_ns();
while (!is_timeout(start, 2 * SECOND))
if (ctrlc())
goto done;
}
} else {
pattern(sc, color);
gu_screen_blit(sc);
}
done:
fb_close(sc);
return 0;
}
