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Fix threaded QOpenGL when robustness is requested 

If the shared context had robustness set then all child contexts must
as well, otherwise we will fallback to a non-shared context breaking
threaded rendering.

Change-Id: Ie5526e632ad21289b6164c1ca06e54ec714187c7
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
bb10
Allan Sandfeld Jensen 2019-04-16 12:23:26 +02:00
parent 0bd27f80e0
commit 7ee449a186
1 changed files with 3 additions and 1 deletions
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4
src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
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@ -270,7 +270,9 @@ void QGLXContext::init(QXcbScreen *screen, QPlatformOpenGLContext *share)
// ES does not support any format option
m_format.setOptions(QSurfaceFormat::FormatOptions());
}
// Robustness must match that of the shared context.
if (share && share->format().testOption(QSurfaceFormat::ResetNotification))
m_format.setOption(QSurfaceFormat::ResetNotification);
Q_ASSERT(glVersions.count() > 0);
for (int i = 0; !m_context && i < glVersions.count(); i++) {