diff options
Diffstat (limited to 'src/opengl/qgl_qpa.cpp')
| -rw-r--r-- | src/opengl/qgl_qpa.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/opengl/qgl_qpa.cpp b/src/opengl/qgl_qpa.cpp index 6e698bf939..8b66c891bb 100644 --- a/src/opengl/qgl_qpa.cpp +++ b/src/opengl/qgl_qpa.cpp @@ -138,6 +138,9 @@ bool QGLContext::chooseContext(const QGLContext* shareContext) { Q_D(QGLContext); if(!d->paintDevice || d->paintDevice->devType() != QInternal::Widget) { + // Unlike in Qt 4, the only possible target is a widget backed by an OpenGL-based + // QWindow. Pixmaps in particular are not supported anymore as paint devices since + // starting from Qt 5 QPixmap is raster-backed on almost all platforms. d->valid = false; }else { QWidget *widget = static_cast<QWidget *>(d->paintDevice); |