[filelight] [Bug 502709] [NVIDIA] Pie chart on the right is invisible with Qt 6.9, NVIDIA graphics, and Filelight running as a Wayland application

Doğukan Korkmaztürk bugzilla_noreply at kde.org
Thu Aug 7 13:33:36 BST 2025


https://bugs.kde.org/show_bug.cgi?id=502709

Doğukan Korkmaztürk <dkorkmazturk at nvidia.com> changed:

           What    |Removed                     |Added
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                 CC|                            |dkorkmazturk at nvidia.com

--- Comment #44 from Doğukan Korkmaztürk <dkorkmazturk at nvidia.com> ---
The problem is mainly caused by Filelight trying to use 32x MSAA. Not every
hardware supports 32x MSAA. 2, 4 and 8 are the most common numbers.

There are two ways to handle this bug. Either Qt can clamp the requested sample
count to the maximum number that the hardware supports
(https://bugreports.qt.io/browse/QTBUG-138986) or the requested sample count
can be reduced in Filelight (src/qml/MapPage.qml, layer.samples property of the
item with "shapeItem" id). 2, 4 or 8 should work.

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