Gamma Init

2026-02-23 13:00:52 +01:00 · 2024-02-16 15:55:37 +01:00
parent 42a598f177
commit cf84fa0616
103 changed files with 7907 additions and 41 deletions
--- a/app/WindowsDisplayAPI/Native/DisplayConfig/Structures/DisplayConfigDeviceInfoHeader.cs
+++ b/app/WindowsDisplayAPI/Native/DisplayConfig/Structures/DisplayConfigDeviceInfoHeader.cs
@@ -0,0 +1,76 @@
+using System;
+using System.Runtime.InteropServices;
+using WindowsDisplayAPI.Native.Structures;
+
+namespace WindowsDisplayAPI.Native.DisplayConfig.Structures
+{
+    // https://msdn.microsoft.com/en-us/library/windows/hardware/ff553920(v=vs.85).aspx
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct DisplayConfigDeviceInfoHeader
+    {
+        [MarshalAs(UnmanagedType.U4)] public readonly DisplayConfigDeviceInfoType Type;
+        [MarshalAs(UnmanagedType.U4)] public readonly uint Size;
+        [MarshalAs(UnmanagedType.Struct)] public readonly LUID AdapterId;
+        [MarshalAs(UnmanagedType.U4)] public readonly uint Id;
+
+        public DisplayConfigDeviceInfoHeader(LUID adapterId, Type requestType) : this()
+        {
+            AdapterId = adapterId;
+            Size = (uint) Marshal.SizeOf(requestType);
+
+            if (requestType == typeof(DisplayConfigSourceDeviceName))
+            {
+                Type = DisplayConfigDeviceInfoType.GetSourceName;
+            }
+            else if (requestType == typeof(DisplayConfigTargetDeviceName))
+            {
+                Type = DisplayConfigDeviceInfoType.GetTargetName;
+            }
+            else if (requestType == typeof(DisplayConfigTargetPreferredMode))
+            {
+                Type = DisplayConfigDeviceInfoType.GetTargetPreferredMode;
+            }
+            else if (requestType == typeof(DisplayConfigAdapterName))
+            {
+                Type = DisplayConfigDeviceInfoType.GetAdapterName;
+            }
+            else if (requestType == typeof(DisplayConfigSetTargetPersistence))
+            {
+                Type = DisplayConfigDeviceInfoType.SetTargetPersistence;
+            }
+            else if (requestType == typeof(DisplayConfigTargetBaseType))
+            {
+                Type = DisplayConfigDeviceInfoType.GetTargetBaseType;
+            }
+            else if (requestType == typeof(DisplayConfigGetSourceDPIScale))
+            {
+                Type = DisplayConfigDeviceInfoType.GetSourceDPIScale;
+            }
+            else if (requestType == typeof(DisplayConfigSetSourceDPIScale))
+            {
+                Type = DisplayConfigDeviceInfoType.SetSourceDPIScale;
+            }
+            else if (requestType == typeof(DisplayConfigSupportVirtualResolution))
+            {
+                // do nothing
+            }
+
+            // throw exception?
+        }
+
+        public DisplayConfigDeviceInfoHeader(LUID adapterId, uint id, Type requestType) : this(adapterId, requestType)
+        {
+            Id = id;
+        }
+
+        public DisplayConfigDeviceInfoHeader(
+            LUID adapterId,
+            uint id,
+            Type requestType,
+            DisplayConfigDeviceInfoType request)
+            : this(adapterId, id, requestType)
+        {
+            Type = request;
+        }
+    }
+}