diff options
Diffstat (limited to 'src/gui/kernel/qsurfaceformat.cpp')
-rw-r--r-- | src/gui/kernel/qsurfaceformat.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/gui/kernel/qsurfaceformat.cpp b/src/gui/kernel/qsurfaceformat.cpp index 109ba8e610..d19690891f 100644 --- a/src/gui/kernel/qsurfaceformat.cpp +++ b/src/gui/kernel/qsurfaceformat.cpp @@ -36,6 +36,7 @@ #include <QtCore/qatomic.h> #include <QtCore/QDebug> #include <QOpenGLContext> +#include <QtGui/qguiapplication.h> #ifdef major #undef major @@ -760,10 +761,13 @@ Q_GLOBAL_STATIC(QSurfaceFormat, qt_default_surface_format) void QSurfaceFormat::setDefaultFormat(const QSurfaceFormat &format) { #ifndef QT_NO_OPENGL - QOpenGLContext *globalContext = QOpenGLContext::globalShareContext(); - if (globalContext && globalContext->isValid()) { - qWarning("Warning: Setting a new default format with a different version or profile after " - "the global shared context is created may cause issues with context sharing."); + if (qApp) { + QOpenGLContext *globalContext = QOpenGLContext::globalShareContext(); + if (globalContext && globalContext->isValid()) { + qWarning("Warning: Setting a new default format with a different version or profile " + "after the global shared context is created may cause issues with context " + "sharing."); + } } #endif *qt_default_surface_format() = format; |