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Details

Type: Bug
Resolution: Invalid
Priority: P2: Important
Fix Version/s: None
Affects Version/s: 5.6, 5.7, 5.8
Component/s: QML: Declarative and Javascript Engine, Quick: Core Declarative QML , Quick: SceneGraph
Labels:
None
Environment:
* Apalis T30 board (based on NVidia Tegra3 GPU) with the last Linux Image v2.6 beta2
* Qt: compiled with EGLFS via X11 support
* X11: Running with 24 bit depth

Description

When I launch the QML application which contains an animations, then the screen sometimes flickers with an polygons artifacts on whole screen (please see attached screenshoot).

I have reproduced this even with the standard demo QML application, called as "Samegame", e.g. from the /home/builder/Projects/qt5/qtdeclarative/examples/quick/demos/samegame/ path.

Also it reprocuces with the Clocks QML application.

This artifacts appeared only with the RGBA8888 mode (when QT_QPA_EGLFS_FORCE888 is enabled).

Also I have added some debug output with QSG_INFO=1 (please, see in attachment too).

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flickering.png
282 kB
05 Aug '16 13:58
flickering2.png
550 kB
05 Aug '16 13:40
opengl-bug.png
539 kB
05 Aug '16 11:38
qopenglwindow-artefacts.png
524 kB
05 Aug '16 14:07
sg-log.txt
2 kB
05 Aug '16 11:38

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Activity

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Assignee:: Laszlo Agocs

Reporter:: Denis Shienkov

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Dates

Created:: 05 Aug '16 11:38

Updated:: 05 Sep '16 10:49

Resolved:: 05 Sep '16 10:49

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