Fixed bugs in rendering.

Ghost.Graphics.Test/UnitTestApp.xaml.cs

@@ -2,6 +2,7 @@ using Ghost.Graphics.Test.Windows;
 
 using Microsoft.UI.Xaml;
 using Microsoft.VisualStudio.TestTools.UnitTesting.AppContainer;
+using System.Runtime.InteropServices;
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.
@@ -23,12 +24,31 @@ public partial class UnitTestApp : Application
         InitializeComponent();
     }
 
+    private static void LoadDll()
+    {
+        var currentDir = AppContext.BaseDirectory;
+        var platform = OperatingSystem.IsWindows() ? "win" :
+                       OperatingSystem.IsLinux() ? "linux" :
+                       OperatingSystem.IsMacOS() ? "osx" : "unknown";
+        var arch = Environment.Is64BitProcess ? "x64" : "x86";
+        var nativeDllDir = Path.Combine(currentDir, "runtime", platform + "-" + arch, "native");
+        if (Directory.Exists(nativeDllDir))
+        {
+            foreach (var dll in Directory.EnumerateFiles(nativeDllDir, "*.dll"))
+            {
+                NativeLibrary.Load(dll);
+            }
+        }
+    }
+
     /// <summary>
     /// Invoked when the application is launched.
     /// </summary>
     /// <param name="args">Details about the launch request and process.</param>
     protected override void OnLaunched(LaunchActivatedEventArgs args)
     {
+        LoadDll();
+
         Microsoft.VisualStudio.TestPlatform.TestExecutor.UnitTestClient.CreateDefaultUI();
 
         _window = new GraphicsTestWindow();