[Qtwebengine] Different ways of forcing software rendering
me at the-compiler.org
Sat Jan 27 12:29:07 CET 2018
as far as I'm aware, there are various ways to force software rendering
in QtWebEngine, and I was wondering what the difference between them is:
- Setting LIBGL_ALWAYS_SOFTWARE=1, which I think also affects
subprocesses spawned from Qt.
- Setting QT_XCB_FORCE_SOFTWARE_OPENGL=1, which AFAIK is equivalent but
doesn't affect subprocesses.
- Starting with --disable-gpu - is that the same?
- Setting QT_QUICK_BACKEND="software" - I think I read somewhere that
this does even more stuff via software rendering?
Would be great to have a quick overview there. I know some people with
graphic (usually driver) issues where QT_XCB_FORCE_SOFTWARE_OPENGL=1
doesn't seem to help, so I wonder if any of the other ways would maybe.
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