Merge remote-tracking branch 'origin/5.12' into 5.13

 Conflicts:
	.qmake.conf
	src/gui/painting/qdrawhelper.cpp
	src/network/ssl/qsslsocket_openssl.cpp
	src/widgets/styles/qstylesheetstyle.cpp

Change-Id: Ibe1cd40f46a823c9e5edbe0a3cd16be1e1686b17

1 files changed, 3 insertions, 3 deletions

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 4adf662152..f26f698e76 100644
--- a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
+++ b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/qglxintegration.cpp
@@ -204,7 +204,6 @@ QGLXContext::QGLXContext(QXcbScreen *screen, const QSurfaceFormat &format, QPlat
     , m_shareContext(0)
     , m_format(format)
     , m_isPBufferCurrent(false)
-    , m_swapInterval(-1)
     , m_ownsContext(nativeHandle.isNull())
     , m_getGraphicsResetStatus(0)
     , m_lost(false)
@@ -567,9 +566,9 @@ bool QGLXContext::makeCurrent(QPlatformSurface *surface)
 
     if (success && surfaceClass == QSurface::Window) {
         int interval = surface->format().swapInterval();
+        QXcbWindow *window = static_cast<QXcbWindow *>(surface);
         QXcbScreen *screen = screenForPlatformSurface(surface);
-        if (interval >= 0 && m_swapInterval != interval && screen) {
-            m_swapInterval = interval;
+        if (interval >= 0 && interval != window->swapInterval() && screen) {
             typedef void (*qt_glXSwapIntervalEXT)(Display *, GLXDrawable, int);
             typedef void (*qt_glXSwapIntervalMESA)(unsigned int);
             static qt_glXSwapIntervalEXT glXSwapIntervalEXT = 0;
@@ -588,6 +587,7 @@ bool QGLXContext::makeCurrent(QPlatformSurface *surface)
                 glXSwapIntervalEXT(m_display, glxDrawable, interval);
             else if (glXSwapIntervalMESA)
                 glXSwapIntervalMESA(interval);
+            window->setSwapInterval(interval);
         }
     }