diff options
Diffstat (limited to 'src/widgets/kernel/qwidget_qpa.cpp')
| -rw-r--r-- | src/widgets/kernel/qwidget_qpa.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/widgets/kernel/qwidget_qpa.cpp b/src/widgets/kernel/qwidget_qpa.cpp index 3f0b0936c3..88a08060c1 100644 --- a/src/widgets/kernel/qwidget_qpa.cpp +++ b/src/widgets/kernel/qwidget_qpa.cpp @@ -945,10 +945,21 @@ void QWidgetPrivate::deleteTLSysExtra() { if (extra && extra->topextra) { //the qplatformbackingstore may hold a reference to the window, so the backingstore - //needs to be deleted first + //needs to be deleted first. If the backingstore holds GL resources, we need to + // make the context current here, since the platform bs does not have a reference + // to the widget. + +#ifndef QT_NO_OPENGL + if (textureChildSeen && extra->topextra->shareContext) + extra->topextra->shareContext->makeCurrent(extra->topextra->window); +#endif extra->topextra->backingStoreTracker.destroy(); delete extra->topextra->backingStore; extra->topextra->backingStore = 0; +#ifndef QT_NO_OPENGL + if (textureChildSeen && extra->topextra->shareContext) + extra->topextra->shareContext->doneCurrent(); +#endif //the toplevel might have a context with a "qglcontext associated with it. We need to //delete the qglcontext before we delete the qplatformopenglcontext. |