Fix rendering with default OpenGL surface on Linux

Commit 32929885 led to rendering blank pages in QWebEngineView.
Set the OpenGL version only if the core profile is requested.

Change-Id: Ie05c7804afbce26aee63455e27c23219484f535d
Task-number: QTBUG-51032
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp b/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp
index 7eca835d5..92d0c6de9 100644
--- a/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp
+++ b/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp
@@ -83,9 +83,11 @@ RenderWidgetHostViewQtDelegateWidget::RenderWidgetHostViewQtDelegateWidget(Rende
 #endif
 
         // Make sure the OpenGL profile of the QOpenGLWidget matches the shared context profile.
-        format.setMajorVersion(sharedFormat.majorVersion());
-        format.setMinorVersion(sharedFormat.minorVersion());
-        format.setProfile(sharedFormat.profile());
+        if (sharedFormat.profile() == QSurfaceFormat::CoreProfile) {
+            format.setMajorVersion(sharedFormat.majorVersion());
+            format.setMinorVersion(sharedFormat.minorVersion());
+            format.setProfile(sharedFormat.profile());
+        }
     }
 
     setFormat(format);