https://bugs.freedesktop.org/show_bug.cgi?id=96350
--- Comment #4 from leoxsliu@gmail.com --- I found an issue with Totem player with DRI3 enabled, which is about glx of gstreamer-vaapi, it renews temporary pixmap each frame. I got a fix and have it sent to mesa-dev lists. But this is glx related, not sure if it will helps your case.