Port the cluster-refgui demo supports both Qt5 and Qt6HEADtrout_19.90.0trout/19.90.019.90.0master

This demo can now run on both Qt5 and Qt6, also added a macro to switch with or without the backend so that it can be developed easily on the Windows desktop.

Bug-AGL: SPEC-5243
Change-Id: I99b12ad9779a477784df13b83a850387747bb588
Signed-off-by: Jiu Shanheng <shanheng.jiu@qt.io>

1 files changed, 19 insertions, 4 deletions

diff --git a/Application/main.cpp b/Application/main.cpp
index 51b0c39..1593d25 100644
--- a/Application/main.cpp
+++ b/Application/main.cpp
@@ -14,17 +14,21 @@
  * limitations under the License.
  */
 
+#include <QDebug>
+#include <QDir>
+#include <QDirIterator>
 #include <QGuiApplication>
 #include <QQmlApplicationEngine>
-#include <QSurfaceFormat>
-#include <QDir>
 #include <QQmlContext>
-#include <QDebug>
-
+#include <QSurfaceFormat>
+#if QT_VERSION >= 0x060000
+#include <QQuickWindow>
+#endif
 #include "cluster-service.hxx"
 
 int main(int argc, char *argv[])
 {
+#ifdef CROSSCOMPILING
     QSurfaceFormat defaultFormat;
     defaultFormat.setSwapBehavior(QSurfaceFormat::TripleBuffer);
     defaultFormat.setRenderableType(QSurfaceFormat::OpenGLES);
@@ -34,6 +38,17 @@ int main(int argc, char *argv[])
     defaultFormat.setDepthBufferSize(8);
     defaultFormat.setAlphaBufferSize(8);
     QSurfaceFormat::setDefaultFormat(defaultFormat);
+#endif
+
+#if QT_VERSION >= 0x060000
+    QQuickWindow::setGraphicsApi(QSGRendererInterface::OpenGL);
+    qputenv("QT_ENABLE_HIGHDPI_SCALING", "0");
+#endif
+
+    QDirIterator it(":", QDirIterator::Subdirectories);
+    while (it.hasNext()) {
+        qDebug() << it.next();
+    }
 
     QGuiApplication app(argc, argv);