void plat_video_menu_enter(int is_rom_loaded)
{
g_menuscreen_ptr = vout_fbdev_resize(main_fb,
g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 3);
if (g_menuscreen_ptr == NULL)
fprintf(stderr, "warning: vout_fbdev_resize failed\n");
}
void plat_video_menu_leave(void)
{
/* have to get rid of panning so that plugins that
* use fb0 and don't ever pan can work. */
vout_fbdev_clear(main_fb);
g_menuscreen_ptr = vout_fbdev_resize(main_fb,
g_menuscreen_w, g_menuscreen_h, 16, 0, 0, 0, 0, 1);
if (g_menuscreen_ptr == NULL)
fprintf(stderr, "warning: vout_fbdev_resize failed\n");
}
int vout_fbdev_init(struct vout_fbdev *fbdev, int *w, int *h, int bpp, int buffer_cnt)
{
int req_w, req_h;
void *pret;
int ret;
ret = ioctl(fbdev->fd, FBIOGET_VSCREENINFO, &fbdev->fbvar_old);
if (ret == -1) {
perror(PFX "FBIOGET_VSCREENINFO ioctl");
return -1;
}
fbdev->fbvar_new = fbdev->fbvar_old;
req_w = fbdev->fbvar_new.xres;
if (*w != 0)
req_w = *w;
req_h = fbdev->fbvar_new.yres;
if (*h != 0)
req_h = *h;
pret = vout_fbdev_resize(fbdev, req_w, req_h, bpp, 0, 0, 0, 0, buffer_cnt);
if (pret == NULL)
return -1;
printf(PFX "%ix%i@%d\n", fbdev->fbvar_new.xres,
fbdev->fbvar_new.yres, fbdev->fbvar_new.bits_per_pixel);
*w = fbdev->fbvar_new.xres;
*h = fbdev->fbvar_new.yres;
memset(fbdev->mem, 0, fbdev->mem_size);
// some checks
ret = 0;
ret = ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &ret);
if (ret != 0)
fprintf(stderr, PFX "Warning: vsync doesn't seem to be supported\n");
if (fbdev->buffer_count > 1) {
fbdev->buffer_write = 0;
fbdev->fbvar_new.yoffset = fbdev->fbvar_new.yres * (fbdev->buffer_count - 1);
ret = ioctl(fbdev->fd, FBIOPAN_DISPLAY, &fbdev->fbvar_new);
if (ret != 0) {
fbdev->buffer_count = 1;
fprintf(stderr, PFX "Warning: can't pan display, doublebuffering disabled\n");
}
}
printf("fbdev initialized.\n");
return 0;
}
void *pl_fbdev_set_mode(int w, int h, int bpp)
{
void *ret;
if (w == pl_fbdev_w && h == pl_fbdev_h && bpp == pl_fbdev_bpp)
return pl_fbdev_buf;
pl_fbdev_w = w;
pl_fbdev_h = h;
pl_fbdev_bpp = bpp;
vout_fbdev_clear(layer_fb);
ret = vout_fbdev_resize(layer_fb, w, h, bpp, 0, 0, 0, 0, 3);
if (ret == NULL)
fprintf(stderr, "failed to set mode\n");
else
pl_fbdev_buf = ret;
menu_notify_mode_change(w, h, bpp);
return pl_fbdev_buf;
}
struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int bpp, int buffer_cnt)
{
struct vout_fbdev *fbdev;
int req_w, req_h;
void *pret;
int ret;
fbdev = calloc(1, sizeof(*fbdev));
if (fbdev == NULL)
return NULL;
fbdev->fd = open(fbdev_name, O_RDWR);
if (fbdev->fd == -1) {
fprintf(stderr, PFX "%s: ", fbdev_name);
perror("open");
goto fail_open;
}
ret = ioctl(fbdev->fd, FBIOGET_VSCREENINFO, &fbdev->fbvar_old);
if (ret == -1) {
perror(PFX "FBIOGET_VSCREENINFO ioctl");
goto fail;
}
fbdev->fbvar_new = fbdev->fbvar_old;
req_w = fbdev->fbvar_new.xres;
if (*w != 0)
req_w = *w;
req_h = fbdev->fbvar_new.yres;
if (*h != 0)
req_h = *h;
pret = vout_fbdev_resize(fbdev, req_w, req_h, bpp, 0, 0, 0, 0, buffer_cnt);
if (pret == NULL)
goto fail;
printf(PFX "%s: %ix%i@%d\n", fbdev_name, fbdev->fbvar_new.xres,
fbdev->fbvar_new.yres, fbdev->fbvar_new.bits_per_pixel);
*w = fbdev->fbvar_new.xres;
*h = fbdev->fbvar_new.yres;
memset(fbdev->mem, 0, fbdev->mem_size);
// some checks
ret = 0;
ret = ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &ret);
if (ret != 0)
fprintf(stderr, PFX "Warning: vsync doesn't seem to be supported\n");
if (fbdev->buffer_count > 1) {
fbdev->buffer_write = 0;
fbdev->fbvar_new.yoffset = fbdev->fbvar_new.yres * (fbdev->buffer_count - 1);
ret = ioctl(fbdev->fd, FBIOPAN_DISPLAY, &fbdev->fbvar_new);
if (ret != 0) {
fbdev->buffer_count = 1;
fprintf(stderr, PFX "Warning: can't pan display, doublebuffering disabled\n");
}
}
printf("fbdev initialized.\n");
return fbdev;
fail:
close(fbdev->fd);
fail_open:
free(fbdev);
return NULL;
}
