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Diffstat (limited to 'src/gui/kernel/qoffscreensurface.cpp')
| -rw-r--r-- | src/gui/kernel/qoffscreensurface.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gui/kernel/qoffscreensurface.cpp b/src/gui/kernel/qoffscreensurface.cpp index ce913a98af..1625909843 100644 --- a/src/gui/kernel/qoffscreensurface.cpp +++ b/src/gui/kernel/qoffscreensurface.cpp @@ -71,6 +71,14 @@ QT_BEGIN_NAMESPACE How the offscreen surface is implemented depends on the underlying platform, but it will typically use a pixel buffer (pbuffer). If the platform doesn't implement or support offscreen surfaces, QOffscreenSurface will use an invisible QWindow internally. + + \note In order to create an offscreen surface that is guaranteed to be compatible with + a given context and window, make sure to set the format to the context's or the + window's actual format, that is, the QSurfaceFormat returned from + QOpenGLContext::format() or QWindow::format() \e{after the context or window has been + created}. Passing the format returned from QWindow::requestedFormat() to setFormat() + may result in an incompatible offscreen surface since the underlying windowing system + interface may offer a different set of configurations for window and pbuffer surfaces. */ class Q_GUI_EXPORT QOffscreenSurfacePrivate : public QObjectPrivate { |