This is a well-known limitation of the X protocol, as explained by both experts Lubos Lunak and Martin Gräßlin. Further discussion of this seems to be pointless now that Wayland is going to replace it.
This is a well-known limitation of the X protocol, as explained by both experts Lubos Lunak and Martin Gräßlin. Further discussion of this seems to be pointless now that Wayland is going to replace it.