Am 19.01.2016 um 15:14 hat Gerd Hoffmann geschrieben: > Hi, > > > That does feel safer, if you can find an efficient way to do the graphics. > > A lot less code running with the privs of the qemu process. > > That is where it starts to become tricky ... > > On modern linux we can simply use dma-bufs. > > On older linux and generic posix (*bsd etc) we should be able to use > sysv shared memory. > > As MacOS X is based on BSD I'd expect sysv shared memory is available > there too. Possibly we can use something more efficient there, we have > macos-specific ui code anyway. > > Windows? Hmm, no idea how to shared memory there. > > We also need a control channel, to manage the shm bufs, to send user > input (kbd/mouse), to implement some control things (machine menu in gtk > ui). One option would be to simply use the monitor for that. The other > one is to invent something limited to the stuff actually needed instead > of handing over a dangerous swiss army knife to the process running the > UI. Hmm, maybe a new monitor mode with a limited set of commands would > do too.
I think you need to offer the full monitor command set anyway because a UI that is on par with SDL or GTK must provide a monitor interface to the user. Kevin