diff options
Diffstat (limited to 'src/widgets/kernel/qopenglwidget.cpp')
| -rw-r--r-- | src/widgets/kernel/qopenglwidget.cpp | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/src/widgets/kernel/qopenglwidget.cpp b/src/widgets/kernel/qopenglwidget.cpp index a83884ca03a..5ea306f4634 100644 --- a/src/widgets/kernel/qopenglwidget.cpp +++ b/src/widgets/kernel/qopenglwidget.cpp @@ -815,18 +815,18 @@ void QOpenGLWidgetPrivate::initialize() // Propagate settings that make sense only for the tlw. Note that this only // makes sense for properties that get picked up even after the native // window is created. - QSurfaceFormat tlwFormat; - if (tlw->windowHandle()) - tlwFormat = tlw->windowHandle()->format(); - if (requestedFormat.swapInterval() != tlwFormat.swapInterval()) { - // Most platforms will pick up the changed swap interval on the next - // makeCurrent or swapBuffers. - tlwFormat.setSwapInterval(requestedFormat.swapInterval()); - tlw->windowHandle()->setFormat(tlwFormat); - } - if (requestedFormat.swapBehavior() != tlwFormat.swapBehavior()) { - tlwFormat.setSwapBehavior(requestedFormat.swapBehavior()); - tlw->windowHandle()->setFormat(tlwFormat); + if (tlw->windowHandle()) { + QSurfaceFormat tlwFormat = tlw->windowHandle()->format(); + if (requestedFormat.swapInterval() != tlwFormat.swapInterval()) { + // Most platforms will pick up the changed swap interval on the next + // makeCurrent or swapBuffers. + tlwFormat.setSwapInterval(requestedFormat.swapInterval()); + tlw->windowHandle()->setFormat(tlwFormat); + } + if (requestedFormat.swapBehavior() != tlwFormat.swapBehavior()) { + tlwFormat.setSwapBehavior(requestedFormat.swapBehavior()); + tlw->windowHandle()->setFormat(tlwFormat); + } } // The top-level window's surface is not good enough since it causes way too |