Review Request 125734: Fix crash when exiting kscreen kcm in systemsettings

[David Edmundson]

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Ship it!


Ship It!

- David Edmundson


On Oct. 21, 2015, 8:37 a.m., Martin Gräßlin wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/125734/
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> (Updated Oct. 21, 2015, 8:37 a.m.)
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> 
> Review request for Plasma, Kai Uwe Broulik and Daniel Vrátil.
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> Bugs: 344651
>     http://bugs.kde.org/show_bug.cgi?id=344651
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> Repository: kscreen
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> Description
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> When using threaded rendering loop [1] systemsettings crashed when
> clicking the back button. This crash is caused inside the shader effect
> used by the OpacityMask.
> QtQuick informed us also that something is wrong:
> "QSGDefaultLayer::bind: ShaderEffectSource: 'recursive' must be set to true when rendering recursively."
> 
> The actual problem is that orientationPanelContainer and the OpacityMask
> are children to the monitor item causing recursion. By making them
> siblings to the orientationPanelContainer the problem is resolved. The
> error message from QtQuick is no longer shown and systemsettings doesn't
> crash any more.
> 
> BUG: 344651
> FIXED-IN: 5.4.3
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> [1] QSG_RENDER_LOOP=threaded systemsettings5
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> 
> Diffs
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>   kcm/qml/Output.qml 7bcaf39174a748a203eab5a420cb57c3639d0024 
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> Diff: https://git.reviewboard.kde.org/r/125734/diff/
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> Testing
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> Thanks,
> 
> Martin Gräßlin
> 
>

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