port from perforce

2026-04-18 22:31:51 +02:00
commit 8d0ab5b7cc
8409 changed files with 3972376 additions and 0 deletions
--- a/intromat/Intromat/Graphics/DebugInterface.cs
+++ b/intromat/Intromat/Graphics/DebugInterface.cs
@@ -0,0 +1,52 @@
+using System;
+using System.Reflection;
+using System.Runtime.InteropServices;
+using Intromat.DXExt;
+using SharpDX;
+
+namespace Intromat.Graphics
+{
+    internal static class DebugInterface
+    {
+        [Flags]
+        public enum LoadLibraryFlags : uint
+        {
+            LoadLibrarySearchSystem32 = 0x00000800
+        }
+
+        private static readonly GetDebugInterface? getDebugInterface;
+
+        static DebugInterface()
+        {
+            var moduleHandle = LoadLibraryEx("dxgi.dll", IntPtr.Zero, LoadLibraryFlags.LoadLibrarySearchSystem32);
+            if (moduleHandle != IntPtr.Zero)
+            {
+                var procedureHandle = GetProcAddress(moduleHandle, "DXGIGetDebugInterface1");
+                if (procedureHandle != IntPtr.Zero)
+                    getDebugInterface = (GetDebugInterface)Marshal.GetDelegateForFunctionPointer(procedureHandle, typeof(GetDebugInterface));
+            }
+        }
+
+        public static GraphicsAnalysis? TryCreateGraphicsAnalysis()
+        {
+            if (getDebugInterface == null)
+                return null;
+
+            var guid = typeof(GraphicsAnalysis).GetTypeInfo().GUID;
+            var result = getDebugInterface(0, ref guid, out var comPtr);
+            if (result.Failure)
+                return null;
+
+            return comPtr != IntPtr.Zero ? (GraphicsAnalysis)comPtr : null;
+        }
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        public static extern IntPtr LoadLibraryEx(string lpFileName, IntPtr hReservedNull, LoadLibraryFlags dwFlags);
+
+        [DllImport("kernel32.dll")]
+        public static extern IntPtr GetProcAddress(IntPtr hModule, string procName);
+
+        [UnmanagedFunctionPointer(CallingConvention.Winapi)]
+        private delegate Result GetDebugInterface(uint flags, ref Guid guid, out IntPtr result);
+    }
+}