[Bug 850628]

[Thomas-luebking]

(In reply to comment #207)

> - What's the problem with unredirected fullscreen unmanaged window? It could
> cause flicker once, nothing more.
It could flicker often, but the problem of course magnifies when you suspend compositing (because things like present windows etc. won't work either)

> - I've never seen such windows (where I didn't want unredirection).
Individual experience is, frankly, irrelevant.
  
> I get black screen when I run something with DRI_PRIME=1. And after
> reverting it everything is fine again.
Since you already run it with a shell export, you can just as easily block compositing around it.
 
> I'm not against it, I'm against removing single-checkbox solution.
And the truth is that a "single-checkbox solution" regardless of the backend (unredirection/suspension) does not work. For complete suspension it's actually a complete no-go.
Property hint control works. Rules work. Scripts (kinda dynamic rules) work.
"Yes or no" has been imprecise and will remain so, thus also your RR to sharpen it (regardles on whether implying "override_redirect = SuperMeatBoy = SDL" assumptions are reasonable)

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https://bugs.launchpad.net/bugs/850628

Title:
  When the Euphoria (GL) Screensaver starts, KWIN crashes

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