diff options
Diffstat (limited to 'src/gui')
| -rw-r--r-- | src/gui/painting/qplatformbackingstore.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gui/painting/qplatformbackingstore.cpp b/src/gui/painting/qplatformbackingstore.cpp index 0d550887d9..8e50059ca4 100644 --- a/src/gui/painting/qplatformbackingstore.cpp +++ b/src/gui/painting/qplatformbackingstore.cpp @@ -237,7 +237,11 @@ void QPlatformBackingStore::composeAndFlush(QWindow *window, const QRegion ®i { Q_UNUSED(offset); - context->makeCurrent(window); + if (!context->makeCurrent(window)) { + qWarning("composeAndFlush: makeCurrent() failed"); + return; + } + QOpenGLFunctions *funcs = context->functions(); funcs->glViewport(0, 0, window->width() * window->devicePixelRatio(), window->height() * window->devicePixelRatio()); funcs->glClearColor(0, 0, 0, translucentBackground ? 0 : 1); |