Add missing Win32 and GDK functions

For now, SDL_GDKSuspendGPU and SDL_GDKResumeGPU from SDL_gpu.h are missing
from auto-generated bindings. We can add them manually if needed.

These missing funtions cause warnings to be logged when running `generate_bindings.py`.

SDL3-CS/SDL3/ClangSharp/SDL_main.GDK.g.cs

@@ -0,0 +1,37 @@
+/*
+  <auto-generated/>
+  C# bindings for Simple DirectMedia Layer.
+  Original copyright notice of input files:
+
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 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.
+*/
+
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+
+namespace SDL
+{
+    public static partial class SDL3
+    {
+        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
+        [SupportedOSPlatform("Windows")]
+        public static extern void SDL_GDKSuspendComplete();
+    }
+}

SDL3-CS/SDL3/ClangSharp/SDL_system.GDK.g.cs

@@ -0,0 +1,49 @@
+/*
+  <auto-generated/>
+  C# bindings for Simple DirectMedia Layer.
+  Original copyright notice of input files:
+
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 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.
+*/
+
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+
+namespace SDL
+{
+    public partial struct XTaskQueueObject
+    {
+    }
+
+    public partial struct XUser
+    {
+    }
+
+    public static unsafe partial class SDL3
+    {
+        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
+        [SupportedOSPlatform("Windows")]
+        public static extern SDL_bool SDL_GetGDKTaskQueue([NativeTypeName("XTaskQueueHandle *")] XTaskQueueObject** outTaskQueue);
+
+        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
+        [SupportedOSPlatform("Windows")]
+        public static extern SDL_bool SDL_GetGDKDefaultUser([NativeTypeName("XUserHandle *")] XUser** outUserHandle);
+    }
+}

SDL3-CS/SDL3/ClangSharp/SDL_system.Windows.g.cs

@@ -34,5 +34,13 @@ namespace SDL
         [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
         [SupportedOSPlatform("Windows")]
         public static extern void SDL_SetWindowsMessageHook([NativeTypeName("SDL_WindowsMessageHook")] delegate* unmanaged[Cdecl]<IntPtr, MSG*, SDL_bool> callback, [NativeTypeName("void*")] IntPtr userdata);
+
+        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
+        [SupportedOSPlatform("Windows")]
+        public static extern int SDL_GetDirect3D9AdapterIndex(SDL_DisplayID displayID);
+
+        [DllImport("SDL3", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
+        [SupportedOSPlatform("Windows")]
+        public static extern SDL_bool SDL_GetDXGIOutputInfo(SDL_DisplayID displayID, int* adapterIndex, int* outputIndex);
     }
 }

SDL3-CS/generate_bindings.py

@@ -314,6 +314,7 @@ def main():
 
     generate_platform_specific_headers(sdl_api, add("SDL3/SDL_main.h"), [
         (["SDL_PLATFORM_WINDOWS"], "Windows", "Windows"),
+        (["SDL_PLATFORM_GDK"], "GDK", "Windows"),
     ])
 
     generate_platform_specific_headers(sdl_api, add("SDL3/SDL_system.h"), [
@@ -321,7 +322,8 @@ def main():
         (["SDL_PLATFORM_ANDROID"], "Android", "Android"),
         (["SDL_PLATFORM_IOS"], "iOS", "iOS"),
         (["SDL_PLATFORM_LINUX"], "Linux", "Linux"),
-        (["SDL_PLATFORM_WINDOWS"], "Windows", "Windows")
+        (["SDL_PLATFORM_WINDOWS", "SDL_PLATFORM_WIN32"], "Windows", "Windows"),
+        (["SDL_PLATFORM_GDK"], "GDK", "Windows"),
     ])