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| author | Dan Fandrich | 2011-01-26 11:30:34 -0800 |
|---|---|---|
| committer | Denys Vlasenko | 2011-02-05 03:34:52 +0100 |
| commit | 07078c29663c6530e6a35b136422448c3bd6d105 (patch) | |
| tree | b1c0520c4e393a5abbbe1f4ba27c2a05d18f8846 | |
| parent | 3e2834fe72b023155904e118c4f71a8ff73a90ec (diff) | |
| download | busybox-07078c29663c6530e6a35b136422448c3bd6d105.zip busybox-07078c29663c6530e6a35b136422448c3bd6d105.tar.gz | |
Let fbsplash display images even when a second buffer is active
If a previous application uses double buffering and makes the
second buffer visible, fbsplash's images (written to the first
buffer) otherwise won't be visible.
Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -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); } |