https://bugs.kde.org/show_bug.cgi?id=452219
--- Comment #48 from Zamundaaa <xaver.h...@gmail.com> --- Yes. That is a NVidia driver bug, it busy waits on OpenGL context switches and uses more CPU that way than actually copying the buffer would take. I've been told it should fixed in a driver release coming out in January or February -- You are receiving this mail because: You are watching all bug changes.