This might explain it https://github.com/hanzelpeter/dispmanx ... rk/members
The code was originally written by Hanzel Peter. It was then forked by Patrik Olasusson and modified or re-written.
Yes it works for me too. I believe it was fixed with this pull requestPhylter wrote:The gadget issue appears to have been fixed in the 4.9 kernel in Arch Linux. This is kernel 4.9.14.
Have a look here Using GTK+ on the Framebufferpozz wrote:...I hope it is possible to redirect Gtk application framebuffer to /dev/fb1. Do you confirm?...