Use QSGRendererInterface::OpenGL in documentation and examples

QSGRendererInterface::OpenGLRhi is only an (undocumented) alias to
...::OpenGL, so let's use that instead.

Amends 0b2311a62b25c

Change-Id: I4acdd39dc1d9b75bed5c474667a43b4ad86e7f47
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
(cherry picked from commit e2138561df3562c19000af24d43659090c19167a)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

2 files changed, 2 insertions, 2 deletions

diff --git a/examples/quick/scenegraph/vulkanunderqml/main.cpp b/examples/quick/scenegraph/vulkanunderqml/main.cpp
index e4a3f36ca7..112332f4fd 100644
--- a/examples/quick/scenegraph/vulkanunderqml/main.cpp
+++ b/examples/quick/scenegraph/vulkanunderqml/main.cpp
@@ -56,7 +56,7 @@ int main(int argc, char **argv)
     QGuiApplication app(argc, argv);
 
     // This example needs Vulkan. It will not run otherwise.
-    QQuickWindow::setGraphicsApi(QSGRendererInterface::VulkanRhi);
+    QQuickWindow::setGraphicsApi(QSGRendererInterface::Vulkan);
 
     QQuickView view;
     view.setResizeMode(QQuickView::SizeRootObjectToView);
diff --git a/examples/quick/scenegraph/vulkanunderqml/vulkansquircle.cpp b/examples/quick/scenegraph/vulkanunderqml/vulkansquircle.cpp
index 5942b49843..f272570d03 100644
--- a/examples/quick/scenegraph/vulkanunderqml/vulkansquircle.cpp
+++ b/examples/quick/scenegraph/vulkanunderqml/vulkansquircle.cpp
@@ -205,7 +205,7 @@ void SquircleRenderer::frameStart()
     QSGRendererInterface *rif = m_window->rendererInterface();
 
     // We are not prepared for anything other than running with the RHI and its Vulkan backend.
-    Q_ASSERT(rif->graphicsApi() == QSGRendererInterface::VulkanRhi);
+    Q_ASSERT(rif->graphicsApi() == QSGRendererInterface::Vulkan);
 
     if (m_vert.isEmpty())
         prepareShader(VertexStage);