From e5aa33c577681fb3cc3095a916cce438f2fc792f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=BE=89=E9=B8=AD=E8=9B=8B?= <huiyadanli@gmail.com>
Date: Sat, 2 May 2026 18:23:13 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8E=9F=E7=A5=9EHDR=E8=87=AA=E5=8A=A8?=
 =?UTF-8?q?=E5=85=B3=E9=97=AD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../Core/Config/GenshinStartConfig.cs         |  6 ++
 .../GameTask/GenshinHdrRegistryHelper.cs      | 61 +++++++++++++++++++
 BetterGenshinImpact/View/Pages/HomePage.xaml  | 26 ++++++++
 .../ViewModel/Pages/HomePageViewModel.cs      | 22 ++++++-
 4 files changed, 114 insertions(+), 1 deletion(-)
 create mode 100644 BetterGenshinImpact/GameTask/GenshinHdrRegistryHelper.cs

diff --git a/BetterGenshinImpact/Core/Config/GenshinStartConfig.cs b/BetterGenshinImpact/Core/Config/GenshinStartConfig.cs
index 4ac99dba..a857918c 100644
--- a/BetterGenshinImpact/Core/Config/GenshinStartConfig.cs
+++ b/BetterGenshinImpact/Core/Config/GenshinStartConfig.cs
@@ -47,4 +47,10 @@ public partial class GenshinStartConfig : ObservableObject
 
     [ObservableProperty]
     private bool _startGameWithCmd = false;
+
+    /// <summary>
+    ///     启动前自动关闭原神 HDR（删除原神 HDR 对应注册表键）
+    /// </summary>
+    [ObservableProperty]
+    private bool _autoDisableGenshinHdrEnabled = true;
 }
diff --git a/BetterGenshinImpact/GameTask/GenshinHdrRegistryHelper.cs b/BetterGenshinImpact/GameTask/GenshinHdrRegistryHelper.cs
new file mode 100644
index 00000000..f378790d
--- /dev/null
+++ b/BetterGenshinImpact/GameTask/GenshinHdrRegistryHelper.cs
@@ -0,0 +1,61 @@
+using Microsoft.Win32;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace BetterGenshinImpact.GameTask;
+
+public static class GenshinHdrRegistryHelper
+{
+    public const string HdrRegistryEntryName = "WINDOWS_HDR_ON_h3132281285";
+    public const string CnHdrRegistrySubKeyPath = @"Software\miHoYo\原神\WINDOWS_HDR_ON_h3132281285";
+    public const string GlobalHdrRegistrySubKeyPath = @"Software\miHoYo\Genshin Impact\WINDOWS_HDR_ON_h3132281285";
+    public const string CnHdrRegistryParentKeyPath = @"Software\miHoYo\原神";
+    public const string GlobalHdrRegistryParentKeyPath = @"Software\miHoYo\Genshin Impact";
+
+    public static readonly IReadOnlyList<string> HdrRegistrySubKeyPaths =
+    [
+        CnHdrRegistrySubKeyPath,
+        GlobalHdrRegistrySubKeyPath
+    ];
+
+    public static readonly IReadOnlyList<string> HdrRegistryParentKeyPaths =
+    [
+        CnHdrRegistryParentKeyPath,
+        GlobalHdrRegistryParentKeyPath
+    ];
+
+    public static IReadOnlyList<string> HdrRegistryFullKeyPaths =>
+        HdrRegistrySubKeyPaths.Select(static path => $@"HKEY_CURRENT_USER\{path}").ToArray();
+
+    public static bool TryDisableHdr(out IReadOnlyList<string> deletedFullKeyPaths)
+    {
+        var deletedPaths = new List<string>();
+        foreach (var parentKeyPath in HdrRegistryParentKeyPaths)
+        {
+            try
+            {
+                using var key = Registry.CurrentUser.OpenSubKey(parentKeyPath, writable: true);
+                if (key == null)
+                {
+                    continue;
+                }
+
+                if (key.GetValue(HdrRegistryEntryName) == null)
+                {
+                    continue;
+                }
+
+                key.DeleteValue(HdrRegistryEntryName, throwOnMissingValue: false);
+                deletedPaths.Add($@"HKEY_CURRENT_USER\{parentKeyPath}\{HdrRegistryEntryName}");
+            }
+            catch
+            {
+                // 忽略删除失败，避免影响启动流程
+            }
+        }
+
+        deletedFullKeyPaths = deletedPaths.Distinct(StringComparer.OrdinalIgnoreCase).ToArray();
+        return deletedFullKeyPaths.Count > 0;
+    }
+}
diff --git a/BetterGenshinImpact/View/Pages/HomePage.xaml b/BetterGenshinImpact/View/Pages/HomePage.xaml
index fb31c5a2..4e9821b5 100644
--- a/BetterGenshinImpact/View/Pages/HomePage.xaml
+++ b/BetterGenshinImpact/View/Pages/HomePage.xaml
@@ -436,6 +436,32 @@
                                 AcceptsReturn="True" />
                 </Grid>
                 <Separator Margin="-18,0" BorderThickness="0,1,0,0" />
+                <Grid Margin="16">
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="Auto" />
+                    </Grid.RowDefinitions>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="*" />
+                        <ColumnDefinition Width="Auto" />
+                    </Grid.ColumnDefinitions>
+                    <ui:TextBlock Grid.Row="0"
+                                  Grid.Column="0"
+                                  FontTypography="Body"
+                                  Text="启动前自动关闭原神 HDR"
+                                  TextWrapping="Wrap" />
+                    <ui:TextBlock Grid.Row="1"
+                                  Grid.Column="0"
+                                  Foreground="{ui:ThemeResource TextFillColorTertiaryBrush}"
+                                  Text="检测到开启时会自动关闭原神 HDR 注册表设置"
+                                  TextWrapping="Wrap" />
+                    <ui:ToggleSwitch Grid.Row="0"
+                                     Grid.RowSpan="2"
+                                     Grid.Column="1"
+                                     Margin="0,0,36,0"
+                                     IsChecked="{Binding Config.GenshinStartConfig.AutoDisableGenshinHdrEnabled, Mode=TwoWay}" />
+                </Grid>
+                <Separator Margin="-18,0" BorderThickness="0,1,0,0" />
                 <Grid Margin="16">
                     <Grid.RowDefinitions>
                         <RowDefinition Height="Auto" />
diff --git a/BetterGenshinImpact/ViewModel/Pages/HomePageViewModel.cs b/BetterGenshinImpact/ViewModel/Pages/HomePageViewModel.cs
index d3ab15b4..cafd2e07 100644
--- a/BetterGenshinImpact/ViewModel/Pages/HomePageViewModel.cs
+++ b/BetterGenshinImpact/ViewModel/Pages/HomePageViewModel.cs
@@ -217,6 +217,8 @@ public partial class HomePageViewModel : ViewModel
     [RelayCommand(CanExecute = nameof(CanStartTrigger))]
     public async Task OnStartTriggerAsync()
     {
+        await DisableGenshinHdrIfNeededAsync();
+
         var hWnd = SystemControl.FindGenshinImpactHandle();
         if (hWnd == IntPtr.Zero)
         {
@@ -249,6 +251,24 @@ public partial class HomePageViewModel : ViewModel
         Start(hWnd);
     }
 
+    private Task DisableGenshinHdrIfNeededAsync()
+    {
+        if (!Config.GenshinStartConfig.AutoDisableGenshinHdrEnabled)
+        {
+            return Task.CompletedTask;
+        }
+
+        if (!GenshinHdrRegistryHelper.TryDisableHdr(out _))
+        {
+            return Task.CompletedTask;
+        }
+
+        // 这行日志可能看不到
+        _logger.LogWarning(
+            "检测到原神 HDR 已开启并已自动关闭。如游戏已在运行，请重启游戏后生效。");
+        return Task.CompletedTask;
+    }
+
     private void Start(IntPtr hWnd)
     {
         Debug.WriteLine($"原神启动句柄{hWnd}");
@@ -634,4 +654,4 @@ public partial class HomePageViewModel : ViewModel
     }
 
     #endregion
-}
\ No newline at end of file
+}