From 79d98630fe80c08de82ffd041c85aa589f08013f Mon Sep 17 00:00:00 2001
From: Zhao Yuhang <2546789017@qq.com>
Date: 周六, 06 1月 2024 13:21:09 +0800
Subject: [PATCH] improve qml implementation

---
 examples/qml/main.cpp |   15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/examples/qml/main.cpp b/examples/qml/main.cpp
index e9cf0a7..3daf57f 100644
--- a/examples/qml/main.cpp
+++ b/examples/qml/main.cpp
@@ -1,5 +1,10 @@
+// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
+// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
+// SPDX-License-Identifier: Apache-2.0
+
 #include <QtGui/QGuiApplication>
 #include <QtQml/QQmlApplicationEngine>
+#include <QtQuick/QQuickWindow>
 
 #include <QWKQuick/qwkquickglobal.h>
 
@@ -12,13 +17,15 @@
     qputenv("QT_QUICK_CONTROLS_STYLE", "Default");
 #endif
 #if 0
-    qputenv("QSG_RHI_BACKEND", "d3d12");
-    qputenv("QSG_RHI_HDR", "scrgb");
-    qputenv("QT_QPA_DISABLE_REDIRECTION_SURFACE", "1");
-#endif
+    qputenv("QSG_RHI_BACKEND", "opengl");
+    //qputenv("QSG_RHI_HDR", "scrgb");
+    //qputenv("QT_QPA_DISABLE_REDIRECTION_SURFACE", "1");
     QGuiApplication::setHighDpiScaleFactorRoundingPolicy(
         Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
+#endif
     QGuiApplication application(argc, argv);
+    // Make sure alpha channel is requested, our special effects on Windows depends on it.
+    QQuickWindow::setDefaultAlphaBuffer(true);
     QQmlApplicationEngine engine;
     QWK::registerTypes(&engine);
     engine.load(QUrl(QStringLiteral("qrc:///main.qml")));

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