1 files changed, 91 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/video/directx/gen_xbox_cmacros.cs b/contrib/SDL-3.2.8/src/video/directx/gen_xbox_cmacros.cs
new file mode 100644
index 0000000..5878f93
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/directx/gen_xbox_cmacros.cs
@@ -0,0 +1,91 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+// Build and run this any time you update d3d12.h/d3d12sdklayers.h!
+
+using System.IO;
+
+class Program
+{
+    static void GenMacros(string[] input, StreamWriter output)
+    {
+        for (int i = 0; i < input.Length; i += 1)
+        {
+            if (input[i].StartsWith("#define I"))
+            {
+                // Strip out the bad ABI calls, use D3D_CALL_RET instead!
+                if (input[i].Contains("_GetDesc(") ||
+                    input[i].Contains("_GetDesc1(") ||
+                    input[i].Contains("_GetCPUDescriptorHandleForHeapStart(") ||
+                    input[i].Contains("_GetGPUDescriptorHandleForHeapStart(") ||
+                    input[i].Contains("_GetResourceAllocationInfo(") ||
+                    input[i].Contains("_GetResourceAllocationInfo1(") ||
+                    input[i].Contains("_GetResourceAllocationInfo2(") ||
+                    input[i].Contains("_GetResourceAllocationInfo3(") ||
+                    input[i].Contains("_GetCustomHeapProperties(") ||
+                    input[i].Contains("_GetAdapterLuid(") ||
+                    input[i].Contains("_GetLUID(") ||
+                    input[i].Contains("_GetProgramIdentifier(") ||
+                    input[i].Contains("_GetNodeID(") ||
+                    input[i].Contains("_GetEntrypointID("))
+                {
+                    // May as well skip the next line...
+                    i += 1;
+                    continue;
+                }
+
+                // The first line is fine as-is.
+                output.WriteLine(input[i]);
+
+                // The second line, however...
+                i += 1;
+
+                string notThis;
+                if (input[i].LastIndexOf("This,") > -1)
+                {
+                    // Function with arguments
+                    notThis = "This,";
+                }
+                else
+                {
+                    // Function with no arguments
+                    notThis = "This";
+                }
+
+                int lastNotThis = input[i].LastIndexOf(notThis);
+                string alias = input[i].Substring(0, lastNotThis).Replace("lpVtbl -> ", "");
+                string definition = input[i].Substring(lastNotThis).Replace(notThis, "");
+                output.WriteLine(alias + definition);
+            }
+        }
+    }
+
+    static void Main(string[] args)
+    {
+        using (FileStream SDL_d3d12_xbox_cmacros_h = File.OpenWrite("SDL_d3d12_xbox_cmacros.h"))
+        using (StreamWriter output = new StreamWriter(SDL_d3d12_xbox_cmacros_h))
+        {
+            output.WriteLine("/* This file is autogenerated, DO NOT MODIFY */");
+            GenMacros(File.ReadAllLines("d3d12.h"), output);
+            GenMacros(File.ReadAllLines("d3d12sdklayers.h"), output);
+        }
+    }
+}