I thought Zpixmap mapped directly to BGRA. But my assumption didn't turn
out to be correct in some older X versions.
I am using xcb_get_image and xcb_shm_get_image to grab screen pixels. I
used Zpixmap option for image format. In new-ish Xorg versions it works
perfectly.
But in some machines with
Jus recently I tried to use the startx command in raspbian from the
commande line and I got this error message:
(EE)
Fatal server error:
(EE) Could not write pid to lock file in /tmp/.tX0-lock
(EE)
(EE)
Please consult The X.Org Foundtion support
at http://wiki.x.org
for help.
(EE)
xinit:
