Squashed 'external/SDL/' content from commit f317581c91

git-subtree-dir: external/SDL
git-subtree-split: f317581c91961ee628446886dd4df87e9c16ac79

test/testnative.h

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+/*
+  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.
+*/
+
+/* Definitions for platform dependent windowing functions to test SDL
+   integration with native windows
+*/
+
+#include <SDL3/SDL.h>
+
+#include "SDL_build_config.h"
+
+typedef struct
+{
+    const char *tag;
+    void *(*CreateNativeWindow)(int w, int h);
+    void (*DestroyNativeWindow)(void *window);
+} NativeWindowFactory;
+
+#ifdef SDL_VIDEO_DRIVER_WINDOWS
+#define TEST_NATIVE_WINDOWS
+extern NativeWindowFactory WindowsWindowFactory;
+#endif
+
+#ifdef SDL_VIDEO_DRIVER_WAYLAND
+#define TEST_NATIVE_WAYLAND
+extern NativeWindowFactory WaylandWindowFactory;
+#endif
+
+#ifdef SDL_VIDEO_DRIVER_X11
+#define TEST_NATIVE_X11
+extern NativeWindowFactory X11WindowFactory;
+#endif
+
+#ifdef SDL_VIDEO_DRIVER_COCOA
+#define TEST_NATIVE_COCOA
+extern NativeWindowFactory CocoaWindowFactory;
+#endif