added stretch to fullscreen

src/LibKenjinx/LibKenjinx.Graphics.cs

@@ -221,19 +221,29 @@ namespace LibKenjinx
     [StructLayout(LayoutKind.Sequential)]
     public struct GraphicsConfiguration
     {
-        public float ResScale = 1f;
-        public float MaxAnisotropy = -1;
-        public bool FastGpuTime = true;
-        public bool Fast2DCopy = true;
-        public bool EnableMacroJit = false;
-        public bool EnableMacroHLE = true;
-        public bool EnableShaderCache = true;
-        public bool EnableTextureRecompression = false;
-        public BackendThreading BackendThreading = BackendThreading.Auto;
-        public AspectRatio AspectRatio = AspectRatio.Fixed16x9;
+        public float ResScale;
+        public float MaxAnisotropy;
+        public bool FastGpuTime;
+        public bool Fast2DCopy;
+        public bool EnableMacroJit;
+        public bool EnableMacroHLE;
+        public bool EnableShaderCache;
+        public bool EnableTextureRecompression;
+        public BackendThreading BackendThreading;
+        public AspectRatio AspectRatio; // <- important
 
         public GraphicsConfiguration()
         {
+            ResScale = 1f;
+            MaxAnisotropy = -1;
+            FastGpuTime = true;
+            Fast2DCopy = true;
+            EnableMacroJit = false;
+            EnableMacroHLE = true;
+            EnableShaderCache = true;
+            EnableTextureRecompression = false;
+            BackendThreading = BackendThreading.Auto;
+            AspectRatio = AspectRatio.Fixed16x9;
         }
     }
 

src/LibKenjinx/LibKenjinx.Native.cs

@@ -132,7 +132,6 @@ namespace LibKenjinx
             }
 
             List<string> extensions = [];
-            var size = Marshal.SizeOf<IntPtr>();
             var extPtr = (IntPtr*)nativeGraphicsInterop.VkRequiredExtensions;
             for (int i = 0; i < nativeGraphicsInterop.VkRequiredExtensionsCount; i++)
             {
@@ -274,6 +273,7 @@ namespace LibKenjinx
 
             return stats;
         }
+
         [UnmanagedCallersOnly(EntryPoint = "device_launch_mii_editor")]
         public static bool LaunchMiiEditAppletNative()
         {
@@ -468,5 +468,34 @@ namespace LibKenjinx
 
             CloseUser(userId);
         }
+
+        // ----------------------
+        // Stretch: Helper + Exports
+        // ----------------------
+
+        // central logic (managed)
+        private static void ApplyFullscreenStretch(bool enable)
+        {
+            var ar = enable ? AspectRatio.Stretched : AspectRatio.Fixed16x9;
+
+            // Retrieve, modify, write back struct
+            var cfg = GraphicsConfiguration;
+            cfg.AspectRatio = ar;
+            GraphicsConfiguration = cfg;
+
+            // Hot-Apply for running emulation
+            var dev = SwitchDevice?.EmulationContext;
+            if (dev != null)
+            {
+                try { dev.Configuration.AspectRatio = ar; } catch { }
+            }
+        }
+
+        // CamelCase Export (JNA calls it here)
+        [UnmanagedCallersOnly(EntryPoint = "graphicsSetFullscreenStretch")]
+        public static void GraphicsSetFullscreenStretchNativeAlias(bool enable)
+        {
+            ApplyFullscreenStretch(enable);
+        }
     }
 }