better fps limiter

4sval · Mar 4, 2023 · 0343ee3 · 0343ee3
1 parent aca754a
commit 0343ee3
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Showing 2 changed files with 62 additions and 2 deletions.
diff --git a/FModel/ViewModels/CUE4ParseViewModel.cs b/FModel/ViewModels/CUE4ParseViewModel.cs
@@ -88,7 +88,7 @@ public Snooper SnooperViewer
  return Application.Current.Dispatcher.Invoke(delegate
  {
  return _snooper ??= new Snooper(
- new GameWindowSettings { RenderFrequency = 240 },
+ new GameWindowSettings { RenderFrequency = Snooper.GetMaxRefreshFrequency() },
  new NativeWindowSettings
  {
  Size = new OpenTK.Mathematics.Vector2i(

diff --git a/FModel/Views/Snooper/Snooper.cs b/FModel/Views/Snooper/Snooper.cs
@@ -2,7 +2,7 @@
 using System.ComponentModel;
 using System.Runtime.InteropServices;
 using System.Threading;
-using System.Windows;
+using System.Windows.Forms;
 using CUE4Parse.UE4.Assets.Exports;
 using FModel.Views.Snooper.Buffers;
 using ImGuiNET;
@@ -13,6 +13,8 @@
 using OpenTK.Windowing.GraphicsLibraryFramework;
 using SixLabors.ImageSharp.Advanced;
 using SixLabors.ImageSharp.PixelFormats;
+using Application = System.Windows.Application;
+using Keys = OpenTK.Windowing.GraphicsLibraryFramework.Keys;
 
 namespace FModel.Views.Snooper;
 
@@ -183,4 +185,62 @@ protected override void OnClosing(CancelEventArgs e)
  base.OnClosing(e);
  WindowShouldClose(true, true);
  }
+
+ [DllImport("user32.dll")]
+ private static extern bool EnumDisplaySettings(
+ string deviceName, int modeNum, ref DEVMODE devMode);
+
+ [StructLayout(LayoutKind.Sequential)]
+ private struct DEVMODE
+ {
+ private const int CCHDEVICENAME = 0x20;
+ private const int CCHFORMNAME = 0x20;
+ [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x20)]
+ public string dmDeviceName;
+ public short dmSpecVersion;
+ public short dmDriverVersion;
+ public short dmSize;
+ public short dmDriverExtra;
+ public int dmFields;
+ public int dmPositionX;
+ public int dmPositionY;
+ public ScreenOrientation dmDisplayOrientation;
+ public int dmDisplayFixedOutput;
+ public short dmColor;
+ public short dmDuplex;
+ public short dmYResolution;
+ public short dmTTOption;
+ public short dmCollate;
+ [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x20)]
+ public string dmFormName;
+ public short dmLogPixels;
+ public int dmBitsPerPel;
+ public int dmPelsWidth;
+ public int dmPelsHeight;
+ public int dmDisplayFlags;
+ public int dmDisplayFrequency;
+ public int dmICMMethod;
+ public int dmICMIntent;
+ public int dmMediaType;
+ public int dmDitherType;
+ public int dmReserved1;
+ public int dmReserved2;
+ public int dmPanningWidth;
+ public int dmPanningHeight;
+
+ }
+
+ public static int GetMaxRefreshFrequency()
+ {
+ var rf = 60;
+ DEVMODE vDevMode = new DEVMODE();
+ var i = 0;
+ while (EnumDisplaySettings(null, i, ref vDevMode))
+ {
+ i++;
+ rf = Math.Max(rf, vDevMode.dmDisplayFrequency);
+ }
+
+ return rf;
+ }
 }