diff options
| -rw-r--r-- | miscutils/fbsplash.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/miscutils/fbsplash.c b/miscutils/fbsplash.c index 6b84563..1509923 100644 --- a/miscutils/fbsplash.c +++ b/miscutils/fbsplash.c @@ -83,11 +83,14 @@ static void fb_open(const char *strfb_device) // map the device in memory G.addr = mmap(NULL, - G.scr_var.xres * G.scr_var.yres + G.scr_var.xres * G.scr_var.yres_virtual * BYTES_PER_PIXEL /*(G.scr_var.bits_per_pixel / 8)*/, PROT_WRITE, MAP_SHARED, fbfd, 0); if (G.addr == MAP_FAILED) bb_perror_msg_and_die("mmap"); + + // point to the start of the visible screen + G.addr += G.scr_var.yoffset * G.scr_fix.line_length + G.scr_var.xoffset * BYTES_PER_PIXEL; close(fbfd); } |