Review Request 122008: Introduce env variable KWIN_USE_INTEL_SWAP_EVENT

[Martin Gräßlin]

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https://git.reviewboard.kde.org/r/122008/
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(Updated Jan. 12, 2015, 1:31 p.m.)


Status
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This change has been marked as submitted.


Review request for kwin and Plasma.


Repository: kwin


Description
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The feature is pretty much untested as it depends on Qt 5.4 and this
was not a requirement during the development of 5.2. On the other hand
regressions in this feature are very severe as it can freeze the screen
and by that render the system unusable.

This change disables the feature by default. To enable it use the
environment variable KWIN_USE_INTEL_SWAP_EVENT=1.


CCBUG: 342582


Diffs
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  glxbackend.cpp 78efa4ebc30dbad04e92129b643f27b67f59a3c7 

Diff: https://git.reviewboard.kde.org/r/122008/diff/


Testing
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with env variable: rendering artefacts, without everything is fine.


Thanks,

Martin Gräßlin

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