WIP: egl: Fixes transparency with EGL and X11.
Continuation of !1185 (merged), which should be merged when I resolve #1938 (closed). Until then, !2375 (merged) best be merged.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Continuation of !1185 (merged), which should be merged when I resolve #1938 (closed). Until then, !2375 (merged) best be merged.