[QTBUG-79192] When moving a QQuickWidget from one window to another that contains Scene3D then it will crash after failing to bind to the QOpenGLFrameBuffer - Qt Bug Tracker

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Details

Type: Bug
Status: Closed
Priority: P1: Critical
Resolution: Done
Affects Version/s: 5.12.5, 5.13.1
Fix Version/s: 5.12.8, 5.12.9, 5.15.0 Beta2
Component/s: Qt3D
Labels:
- Reported_by_support_premium

Commits:
648b7459e8a6ce8ce1f115a14da63d546b743439 (qt/qt3d/5.14) cdc9efb609894298d8d854a0ec75f9cb8e89f195 (qt/qt3d/5.12) 4eef300be70509a208527bf164f7746fa1bf07a1 (qt/qt3d/5.15)

Description

When moving a QQuickWidget from one window to another that contains Scene3D then it will crash after failing to bind to the QOpenGLFrameBuffer.

This appears to be due to the fact that the scenegraph is invalidated and that causes Scene3D to shutdown and cleanup, but there is no accounting for when it is brought back again.