Add --fps flag and auto-detect GPU for visual effects

- Add --fps command line flag to show FPS/shape count overlay
- Auto-detect WPF rendering tier on first run
- Enable visual effects only on Tier 2 (full GPU acceleration)
- Rename 'Hardware Effects' to 'Visual Effects (blur, glow)'

Author: shanselman

App.xaml.cs

@@ -1,10 +1,13 @@
 using System;
 using System.Diagnostics;
+using System.Linq;
 using System.Runtime.InteropServices;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Forms;
+using System.Windows.Media;
+using BabySmash.Properties;
 using Updatum;
 using Application = System.Windows.Application;
 using MessageBox = System.Windows.MessageBox;
@@ -26,6 +29,13 @@ public partial class App : Application
 
         private async void Application_Startup(object sender, StartupEventArgs e)
         {
+            // Parse command line arguments
+            var args = e.Args;
+            Controller.ShowFps = args.Contains("--fps") || args.Contains("-fps");
+
+            // Auto-detect GPU capability on first run
+            AutoDetectVisualEffects();
+
             // Check for updates BEFORE launching the game
             // This way the parent can handle updates before baby takes over
             var shouldLaunch = await CheckForUpdatesBeforeLaunchAsync();
@@ -36,6 +46,23 @@ private async void Application_Startup(object sender, StartupEventArgs e)
             }
         }
 
+        private void AutoDetectVisualEffects()
+        {
+            // Only auto-detect once (on first run)
+            if (Settings.Default.EffectsAutoDetected)
+                return;
+
+            // WPF Rendering Tier: 0=software, 1=partial HW, 2=full GPU acceleration
+            int renderingTier = RenderCapability.Tier >> 16;
+            
+            // Enable effects only on Tier 2 (full GPU acceleration)
+            Settings.Default.BitmapEffects = renderingTier >= 2;
+            Settings.Default.EffectsAutoDetected = true;
+            Settings.Default.Save();
+
+            Debug.WriteLine($"Auto-detected rendering tier {renderingTier}, visual effects: {Settings.Default.BitmapEffects}");
+        }
+
         private async Task<bool> CheckForUpdatesBeforeLaunchAsync()
         {
             try

Controller.cs

@@ -39,6 +39,8 @@ public class Controller
 
         private static Controller instance = new Controller();
 
+        public static bool ShowFps { get; set; }
+
         public bool isOptionsDialogShown { get; set; }
         private bool isDrawing = false;
         private readonly SpeechSynthesizer objSpeech = new SpeechSynthesizer();
@@ -71,7 +73,7 @@ public void Launch()
 
             foreach (WinForms.Screen s in appScreens)
             {
-                MainWindow m = new MainWindow(this)
+                MainWindow m = new MainWindow(this, ShowFps)
                 {
                     WindowStartupLocation = WindowStartupLocation.Manual,
                     Left = s.WorkingArea.Left,

MainWindow.xaml

@@ -99,6 +99,14 @@
             <ProgressBar HorizontalAlignment="Left" x:Name="updateProgress" Value="0" Minimum="0" Maximum="100" Margin="0,0,0,0"  Height="10" Width="130"/>
             </TextBlock>
         </StackPanel>
+        <TextBlock x:Name="fpsLabel" Visibility="Collapsed" 
+                   HorizontalAlignment="Right" VerticalAlignment="Top" 
+                   Margin="0,10,20,0" FontSize="14" FontWeight="Bold" Foreground="Lime">
+            <TextBlock.Effect>
+                <DropShadowEffect ShadowDepth="1" Color="Black" BlurRadius="3"/>
+            </TextBlock.Effect>
+            FPS: --
+        </TextBlock>
         <Canvas Name="figuresCanvas"/>
         <Canvas Name="mouseDragCanvas"/>
         <Canvas Name="mouseCursorCanvas"/>

MainWindow.xaml.cs

@@ -1,4 +1,6 @@
-using System.Windows;
+using System;
+using System.Diagnostics;
+using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Input;
 using System.Windows.Media;
@@ -18,6 +20,11 @@ public partial class MainWindow : Window
         private UserControl customCursor;
         public UserControl CustomCursor { get { return customCursor; } set { customCursor = value; } }
 
+        // FPS counter
+        private int _frameCount;
+        private readonly Stopwatch _fpsStopwatch = new();
+        private bool _showFps;
+
         public void AddFigure(UserControl c)
         {
             this.figuresCanvas.Children.Add(c);
@@ -28,13 +35,31 @@ public void RemoveFigure(UserControl c)
             this.figuresCanvas.Children.Remove(c);
         }
 
-        public MainWindow(Controller c)
+        public MainWindow(Controller c, bool showFps = false)
         {
             this.controller = c;
             this.DataContext = controller;
+            _showFps = showFps;
             InitializeComponent();
 
-            //ResetCanvas();
+            if (_showFps)
+            {
+                fpsLabel.Visibility = Visibility.Visible;
+                CompositionTarget.Rendering += OnRendering;
+                _fpsStopwatch.Start();
+            }
+        }
+
+        private void OnRendering(object sender, EventArgs e)
+        {
+            _frameCount++;
+            if (_fpsStopwatch.ElapsedMilliseconds >= 1000)
+            {
+                var fps = _frameCount * 1000.0 / _fpsStopwatch.ElapsedMilliseconds;
+                fpsLabel.Text = $"FPS: {fps:F0} | Shapes: {figuresCanvas.Children.Count}";
+                _frameCount = 0;
+                _fpsStopwatch.Restart();
+            }
         }
 
         protected override void OnMouseWheel(MouseWheelEventArgs e)

Properties/Settings.Designer.cs

@@ -9,7 +9,7 @@
       <Value Profile="(Default)">True</Value>
     </Setting>
     <Setting Name="BitmapEffects" Type="System.Boolean" Scope="User">
-      <Value Profile="(Default)">False</Value>
+      <Value Profile="(Default)">True</Value>
     </Setting>
     <Setting Name="ClearAfter" Type="System.Int32" Scope="User">
       <Value Profile="(Default)">35</Value>
@@ -35,5 +35,8 @@
     <Setting Name="TransparentBackground" Type="System.Boolean" Scope="User">
       <Value Profile="(Default)">False</Value>
     </Setting>
+    <Setting Name="EffectsAutoDetected" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">False</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

Properties/Settings.settings

@@ -30,7 +30,7 @@
                 <value>True</value>
             </setting>
             <setting name="BitmapEffects" serializeAs="String">
-                <value>False</value>
+                <value>True</value>
             </setting>
             <setting name="ClearAfter" serializeAs="String">
                 <value>35</value>
@@ -56,6 +56,9 @@
             <setting name="TransparentBackground" serializeAs="String">
                 <value>False</value>
             </setting>
+            <setting name="EffectsAutoDetected" serializeAs="String">
+                <value>False</value>
+            </setting>
         </BabySmash.Properties.Settings>
     </userSettings>
     <startup><supportedRuntime version="v2.0.50727"/></startup>