On Friday, August 27th, 2021 at 16:04, Harry Wentland <harry.wentland@xxxxxxx> wrote: > > Is it possible to draw the cursor only on the overlay pipe (not on the primary > > pipe), even though the overlay pipe doesn't cover the whole CRTC? > > > > Or will the overlay pipe crop the cursor image? > > > > It will be cropped to the overlay rectangle. > > If you can allocate your overlay such that its destination rectangle > always spans the entire CRTC you'd have no cursor issues. Unfortunately > that means that you would use more memory bandwidth since you're > scanning out an overlay that's larger than you really need. Hm, yeah, unfortunately the buffers come from an X11 client, so it's exactly the size of the visible area, I can't easily draw transparent areas around it. Thanks for all of the details, I'll think about all of this for a while and try to come up with a plan.