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 fc961da4c4..318adb5043 100644 --- a/examples/opengl/hellogl2/glwidget.cpp +++ b/examples/opengl/hellogl2/glwidget.cpp @@ -54,6 +54,8 @@ #include <QCoreApplication> #include <math.h> +bool GLWidget::m_transparent = false; + GLWidget::GLWidget(QWidget *parent) : QOpenGLWidget(parent), m_xRot(0), @@ -61,10 +63,9 @@ GLWidget::GLWidget(QWidget *parent) m_zRot(0), m_program(0) { - m_core = QCoreApplication::arguments().contains(QStringLiteral("--coreprofile")); + m_core = QSurfaceFormat::defaultFormat().profile() == QSurfaceFormat::CoreProfile; // --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) { QSurfaceFormat fmt = format(); fmt.setAlphaBufferSize(8); @@ -127,6 +128,8 @@ void GLWidget::setZRotation(int angle) void GLWidget::cleanup() { + if (m_program == nullptr) + return; makeCurrent(); m_logoVbo.destroy(); delete m_program; |