diff options
Diffstat (limited to 'examples/opengl/hellogl2/glwidget.cpp')
| -rw-r--r-- | examples/opengl/hellogl2/glwidget.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/examples/opengl/hellogl2/glwidget.cpp b/examples/opengl/hellogl2/glwidget.cpp index 9738dcda20..6505ad3141 100644 --- a/examples/opengl/hellogl2/glwidget.cpp +++ b/examples/opengl/hellogl2/glwidget.cpp @@ -55,8 +55,11 @@ GLWidget::GLWidget(QWidget *parent) // --transparent causes the clear color to be transparent. Therefore, on systems that // support it, the widget will become transparent apart from the logo. m_transparent = QCoreApplication::arguments().contains(QStringLiteral("--transparent")); - if (m_transparent) - setAttribute(Qt::WA_TranslucentBackground); + if (m_transparent) { + QSurfaceFormat fmt = format(); + fmt.setAlphaBufferSize(8); + setFormat(fmt); + } } GLWidget::~GLWidget() |