diff options
Diffstat (limited to 'src/widgets/kernel/qwidget_qpa.cpp')
| -rw-r--r-- | src/widgets/kernel/qwidget_qpa.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/widgets/kernel/qwidget_qpa.cpp b/src/widgets/kernel/qwidget_qpa.cpp index 3281e0c6f7..0fd794cc02 100644 --- a/src/widgets/kernel/qwidget_qpa.cpp +++ b/src/widgets/kernel/qwidget_qpa.cpp @@ -118,11 +118,12 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO win->resize(q->size()); win->setScreen(QGuiApplication::screens().value(topData()->screenIndex, 0)); - if (q->testAttribute(Qt::WA_TranslucentBackground)) { - QSurfaceFormat format; + QSurfaceFormat format = win->requestedFormat(); + if ((flags & Qt::Window) && win->surfaceType() != QSurface::OpenGLSurface + && q->testAttribute(Qt::WA_TranslucentBackground)) { format.setAlphaBufferSize(8); - win->setFormat(format); } + win->setFormat(format); if (QWidget *nativeParent = q->nativeParentWidget()) { if (nativeParent->windowHandle()) { |