https://bugs.kde.org/show_bug.cgi?id=359135

Martin Gräßlin <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #6 from Martin Gräßlin <[email protected]> ---
(In reply to Igor Poboiko from comment #5)

> Apparently it does. For example, in the "Compositor" section in 
> systemsettings there is only option in "OpenGL Interface", which is EGL. 

That rather sounds like you build epoxy without GLX support.

> Is it unsupported? I haven't changed compilation options for Qt for a while,
> and it somehow worked.

It's not unsupported per se, just that nobody uses it in this combination. The
default is glx, which on Linux probably more than 99.9 % are using. It doesn't
give any advantages to use Qt on OpenGL with EGL. Just the chances that
something breaks will increase.

> Anyways, I can try rebuilding Qt without EGL support and see if it works.

You can keep the EGL support in, just make sure that it's also build with GLX.

I assume that the glitches are caused by the usage of EGL instead of GLX. If
using GLX also shows the issues, please reopen.

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