add QTVulkan example

example/Vulkan/QtVulkanWindow.h

@@ -0,0 +1,40 @@
+#pragma once
+#include<QVulkanWindow>
+
+class VulkanRenderer:public QVulkanWindowRenderer
+{
+private:
+
+    QVulkanWindow *m_window;
+    QVulkanDeviceFunctions *m_devFuncs;
+    
+public:
+
+    VulkanRenderer(QVulkanWindow *w):m_window(w){}
+    virtual ~VulkanRenderer()=default;
+
+    void initResources() override;
+    void initSwapChainResources() override;
+    void releaseSwapChainResources() override;
+    void releaseResources() override;
+    void startNextFrame() override;
+};//class VulkanRenderer:public QVulkanWindowRenderer
+
+class QtVulkanWindow:public QVulkanWindow
+{
+    Q_OBJECT
+
+signals:
+
+    void vulkanInfoReceived(const QString &text);
+
+public:
+
+    using QVulkanWindow::QVulkanWindow;
+    virtual ~QtVulkanWindow()=default;
+
+    QVulkanWindowRenderer *createRenderer() override
+    {
+        return(new VulkanRenderer(this));
+    }
+};