From a69a0e8254b79c62fad7372e8c14f66d440ad744 Mon Sep 17 00:00:00 2001 From: Laszlo Agocs Date: Tue, 23 Jan 2018 10:21:49 +0100 Subject: glx: Avoid losing the stereo flag in QSurfaceFormat Task-number: QTBUG-59636 Change-Id: I38394009993e92ab9db853a1450687fc48e471f5 Reviewed-by: Andy Nichols --- src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src') diff --git a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp index e2e573f0e1..fc1806f982 100644 --- a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp +++ b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp @@ -134,7 +134,11 @@ static void updateFormatFromContext(QSurfaceFormat &format) } format.setProfile(QSurfaceFormat::NoProfile); + const bool isStereo = format.testOption(QSurfaceFormat::StereoBuffers); format.setOptions(QSurfaceFormat::FormatOptions()); + // Restore flags that come from the VisualInfo/FBConfig. + if (isStereo) + format.setOption(QSurfaceFormat::StereoBuffers); if (format.renderableType() == QSurfaceFormat::OpenGL) { if (format.version() < qMakePair(3, 0)) { -- cgit v1.2.3