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| author | Laszlo Agocs <laszlo.agocs@digia.com> | 2014-09-15 14:38:41 +0200 |
|---|---|---|
| committer | Laszlo Agocs <laszlo.agocs@digia.com> | 2014-09-18 10:06:49 +0200 |
| commit | 1e41e9b77d3cb8bf863c9e3b88273c2977c1ede9 (patch) | |
| tree | a1329e5f267d87b27b12f665e99716814ca483d5 /src/widgets/kernel/qopenglwidget.cpp | |
| parent | f72895361d8594469045ef03eec36bb10eae2765 (diff) | |
Add a note about winId() to QOpenGLWidget docs
Task-number: QTBUG-40765
Change-Id: I0dbb010bb96c6b41c67392b8846782a354481e5e
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>
Diffstat (limited to 'src/widgets/kernel/qopenglwidget.cpp')
| -rw-r--r-- | src/widgets/kernel/qopenglwidget.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/widgets/kernel/qopenglwidget.cpp b/src/widgets/kernel/qopenglwidget.cpp index 2abddd8941..524597f7a1 100644 --- a/src/widgets/kernel/qopenglwidget.cpp +++ b/src/widgets/kernel/qopenglwidget.cpp @@ -244,6 +244,9 @@ QT_BEGIN_NAMESPACE contents. Omitting the clear call can lead to significant performance drops on such systems. + \note Avoid calling winId() on a QOpenGLWidget. This function triggers the creation of + a native window, resulting in reduced performance and possibly rendering glitches. + \section1 Multisampling To enable multisampling, set the number of requested samples on the |