static void mainmenu_draw(menu_t *menu) {
modeset_draw(menu);
/* draw the two video mode lines */
osd_gotoxy(menu->xpos + menu->xsize - 20, menu->ypos + menu->ysize - 3);
osd_puts("Input : ");
print_resolution();
osd_gotoxy(menu->xpos + menu->xsize - 20, menu->ypos + menu->ysize - 2);
uint32_t outputlines = video_out_lines[current_videomode];
bool interlaced = false;
if (current_videomode <= VIDMODE_576i &&
(video_settings[current_videomode] & VIDEOIF_SET_LD_ENABLE))
outputlines *= 2;
if (outputlines & 1) {
outputlines *= 2;
interlaced = true;
}
printf("Output: 720x%3d%c%d",
outputlines & ~3,
interlaced ? 'i' : 'p',
(current_videomode & 1) ? 50 : 60);
}
int main(int argc, char **argv)
{
int ret, fd;
const char *card;
struct modeset_dev *iter;
struct modeset_buf *buf;
/* check which DRM device to open */
if (argc > 1)
card = argv[1];
else
card = "/dev/dri/card0";
fprintf(stderr, "using card '%s'\n", card);
/* open the DRM device */
ret = modeset_open(&fd, card);
if (ret)
goto out_return;
/* prepare all connectors and CRTCs */
ret = modeset_prepare(fd);
if (ret)
goto out_close;
/* perform actual modesetting on each found connector+CRTC */
for (iter = modeset_list; iter; iter = iter->next) {
iter->saved_crtc = drmModeGetCrtc(fd, iter->crtc);
buf = &iter->bufs[iter->front_buf];
ret = drmModeSetCrtc(fd, iter->crtc, buf->fb, 0, 0,
&iter->conn, 1, &iter->mode);
if (ret)
fprintf(stderr, "cannot set CRTC for connector %u (%d): %m\n",
iter->conn, errno);
}
/* draw some colors for 5seconds */
modeset_draw(fd);
/* cleanup everything */
modeset_cleanup(fd);
ret = 0;
out_close:
close(fd);
out_return:
if (ret) {
errno = -ret;
fprintf(stderr, "modeset failed with error %d: %m\n", errno);
} else {
fprintf(stderr, "exiting\n");
}
return ret;
}
static void modeset_render(Modeset *m, grdev_display *d) {
const grdev_display_target *t;
m->r = next_color(&m->r_up, m->r, 4);
m->g = next_color(&m->g_up, m->g, 3);
m->b = next_color(&m->b_up, m->b, 2);
GRDEV_DISPLAY_FOREACH_TARGET(d, t) {
modeset_draw(m, t);
grdev_display_flip_target(d, t);
}
