From f5d1c329ce9c2c81e3bf59017fb2cdd4261b5336 Mon Sep 17 00:00:00 2001 From: Laszlo Agocs Date: Wed, 27 May 2015 15:00:00 +0200 Subject: Emphasize the need for calling setDefaultFormat early on OS X MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Task-number: QTBUG-46067 Change-Id: I0fe6e7ba309306a8fc471424b30eed4491bd39e7 Reviewed-by: Topi Reiniö --- src/widgets/kernel/qopenglwidget.cpp | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/widgets/kernel/qopenglwidget.cpp b/src/widgets/kernel/qopenglwidget.cpp index b8df25b38f..9bfdc62e60 100644 --- a/src/widgets/kernel/qopenglwidget.cpp +++ b/src/widgets/kernel/qopenglwidget.cpp @@ -104,6 +104,12 @@ QT_BEGIN_NAMESPACE non-sharable. To overcome this issue, prefer using QSurfaceFormat::setDefaultFormat() instead of setFormat(). + \note Calling QSurfaceFormat::setDefaultFormat() before constructing + the QApplication instance is mandatory on some platforms (for example, + OS X) when an OpenGL core profile context is requested. This is to + ensure that resource sharing between contexts stays functional as all + internal contexts are created using the correct version and profile. + \section1 Painting Techniques As described above, subclass QOpenGLWidget to render pure 3D content in the -- cgit v1.2.3