1 files changed, 850 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/SDL.c b/contrib/SDL-3.2.8/src/SDL.c
new file mode 100644
index 0000000..502f661
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/SDL.c
@@ -0,0 +1,850 @@
+/*
+  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.
+*/
+#include "SDL_internal.h"
+#include "SDL3/SDL_revision.h"
+
+#if defined(SDL_PLATFORM_WINDOWS)
+#include "core/windows/SDL_windows.h"
+#else
+#include <unistd.h> // _exit(), etc.
+#endif
+
+// this checks for HAVE_DBUS_DBUS_H internally.
+#include "core/linux/SDL_dbus.h"
+
+#ifdef SDL_PLATFORM_EMSCRIPTEN
+#include <emscripten.h>
+#endif
+
+// Initialization code for SDL
+
+#include "SDL_assert_c.h"
+#include "SDL_hints_c.h"
+#include "SDL_log_c.h"
+#include "SDL_properties_c.h"
+#include "audio/SDL_sysaudio.h"
+#include "camera/SDL_camera_c.h"
+#include "cpuinfo/SDL_cpuinfo_c.h"
+#include "events/SDL_events_c.h"
+#include "haptic/SDL_haptic_c.h"
+#include "joystick/SDL_gamepad_c.h"
+#include "joystick/SDL_joystick_c.h"
+#include "render/SDL_sysrender.h"
+#include "sensor/SDL_sensor_c.h"
+#include "stdlib/SDL_getenv_c.h"
+#include "thread/SDL_thread_c.h"
+#include "tray/SDL_tray_utils.h"
+#include "video/SDL_pixels_c.h"
+#include "video/SDL_surface_c.h"
+#include "video/SDL_video_c.h"
+#include "filesystem/SDL_filesystem_c.h"
+#include "io/SDL_asyncio_c.h"
+#ifdef SDL_PLATFORM_ANDROID
+#include "core/android/SDL_android.h"
+#endif
+
+#define SDL_INIT_EVERYTHING ~0U
+
+// Initialization/Cleanup routines
+#include "timer/SDL_timer_c.h"
+#ifdef SDL_VIDEO_DRIVER_WINDOWS
+extern bool SDL_HelperWindowCreate(void);
+extern void SDL_HelperWindowDestroy(void);
+#endif
+
+#ifdef SDL_BUILD_MAJOR_VERSION
+SDL_COMPILE_TIME_ASSERT(SDL_BUILD_MAJOR_VERSION,
+                        SDL_MAJOR_VERSION == SDL_BUILD_MAJOR_VERSION);
+SDL_COMPILE_TIME_ASSERT(SDL_BUILD_MINOR_VERSION,
+                        SDL_MINOR_VERSION == SDL_BUILD_MINOR_VERSION);
+SDL_COMPILE_TIME_ASSERT(SDL_BUILD_MICRO_VERSION,
+                        SDL_MICRO_VERSION == SDL_BUILD_MICRO_VERSION);
+#endif
+
+// Limited by its encoding in SDL_VERSIONNUM
+SDL_COMPILE_TIME_ASSERT(SDL_MAJOR_VERSION_min, SDL_MAJOR_VERSION >= 0);
+SDL_COMPILE_TIME_ASSERT(SDL_MAJOR_VERSION_max, SDL_MAJOR_VERSION <= 10);
+SDL_COMPILE_TIME_ASSERT(SDL_MINOR_VERSION_min, SDL_MINOR_VERSION >= 0);
+SDL_COMPILE_TIME_ASSERT(SDL_MINOR_VERSION_max, SDL_MINOR_VERSION <= 999);
+SDL_COMPILE_TIME_ASSERT(SDL_MICRO_VERSION_min, SDL_MICRO_VERSION >= 0);
+SDL_COMPILE_TIME_ASSERT(SDL_MICRO_VERSION_max, SDL_MICRO_VERSION <= 999);
+
+/* This is not declared in any header, although it is shared between some
+    parts of SDL, because we don't want anything calling it without an
+    extremely good reason. */
+extern SDL_NORETURN void SDL_ExitProcess(int exitcode);
+SDL_NORETURN void SDL_ExitProcess(int exitcode)
+{
+#if defined(SDL_PLATFORM_WINDOWS)
+    /* "if you do not know the state of all threads in your process, it is
+       better to call TerminateProcess than ExitProcess"
+       https://msdn.microsoft.com/en-us/library/windows/desktop/ms682658(v=vs.85).aspx */
+    TerminateProcess(GetCurrentProcess(), exitcode);
+    /* MingW doesn't have TerminateProcess marked as noreturn, so add an
+       ExitProcess here that will never be reached but make MingW happy. */
+    ExitProcess(exitcode);
+#elif defined(SDL_PLATFORM_EMSCRIPTEN)
+    emscripten_cancel_main_loop();   // this should "kill" the app.
+    emscripten_force_exit(exitcode); // this should "kill" the app.
+    exit(exitcode);
+#elif defined(SDL_PLATFORM_HAIKU)  // Haiku has _Exit, but it's not marked noreturn.
+    _exit(exitcode);
+#elif defined(HAVE__EXIT) // Upper case _Exit()
+    _Exit(exitcode);
+#else
+    _exit(exitcode);
+#endif
+}
+
+// App metadata
+
+bool SDL_SetAppMetadata(const char *appname, const char *appversion, const char *appidentifier)
+{
+    SDL_SetAppMetadataProperty(SDL_PROP_APP_METADATA_NAME_STRING, appname);
+    SDL_SetAppMetadataProperty(SDL_PROP_APP_METADATA_VERSION_STRING, appversion);
+    SDL_SetAppMetadataProperty(SDL_PROP_APP_METADATA_IDENTIFIER_STRING, appidentifier);
+    return true;
+}
+
+static bool SDL_ValidMetadataProperty(const char *name)
+{
+    if (!name || !*name) {
+        return false;
+    }
+
+    if (SDL_strcmp(name, SDL_PROP_APP_METADATA_NAME_STRING) == 0 ||
+        SDL_strcmp(name, SDL_PROP_APP_METADATA_VERSION_STRING) == 0 ||
+        SDL_strcmp(name, SDL_PROP_APP_METADATA_IDENTIFIER_STRING) == 0 ||
+        SDL_strcmp(name, SDL_PROP_APP_METADATA_CREATOR_STRING) == 0 ||
+        SDL_strcmp(name, SDL_PROP_APP_METADATA_COPYRIGHT_STRING) == 0 ||
+        SDL_strcmp(name, SDL_PROP_APP_METADATA_URL_STRING) == 0 ||
+        SDL_strcmp(name, SDL_PROP_APP_METADATA_TYPE_STRING) == 0) {
+        return true;
+    }
+    return false;
+}
+
+bool SDL_SetAppMetadataProperty(const char *name, const char *value)
+{
+    if (!SDL_ValidMetadataProperty(name)) {
+        return SDL_InvalidParamError("name");
+    }
+
+    return SDL_SetStringProperty(SDL_GetGlobalProperties(), name, value);
+}
+
+const char *SDL_GetAppMetadataProperty(const char *name)
+{
+    if (!SDL_ValidMetadataProperty(name)) {
+        SDL_InvalidParamError("name");
+        return NULL;
+    }
+
+    const char *value = NULL;
+    if (SDL_strcmp(name, SDL_PROP_APP_METADATA_NAME_STRING) == 0) {
+        value = SDL_GetHint(SDL_HINT_APP_NAME);
+    } else if (SDL_strcmp(name, SDL_PROP_APP_METADATA_IDENTIFIER_STRING) == 0) {
+        value = SDL_GetHint(SDL_HINT_APP_ID);
+    }
+    if (!value || !*value) {
+        value = SDL_GetStringProperty(SDL_GetGlobalProperties(), name, NULL);
+    }
+    if (!value || !*value) {
+        if (SDL_strcmp(name, SDL_PROP_APP_METADATA_NAME_STRING) == 0) {
+            value = "SDL Application";
+        } else if (SDL_strcmp(name, SDL_PROP_APP_METADATA_TYPE_STRING) == 0) {
+            value = "application";
+        }
+    }
+    return value;
+}
+
+
+// The initialized subsystems
+#ifdef SDL_MAIN_NEEDED
+static bool SDL_MainIsReady = false;
+#else
+static bool SDL_MainIsReady = true;
+#endif
+static SDL_ThreadID SDL_MainThreadID = 0;
+static bool SDL_bInMainQuit = false;
+static Uint8 SDL_SubsystemRefCount[32];
+
+// Private helper to increment a subsystem's ref counter.
+static void SDL_IncrementSubsystemRefCount(Uint32 subsystem)
+{
+    const int subsystem_index = SDL_MostSignificantBitIndex32(subsystem);
+    SDL_assert((subsystem_index < 0) || (SDL_SubsystemRefCount[subsystem_index] < 255));
+    if (subsystem_index >= 0) {
+        ++SDL_SubsystemRefCount[subsystem_index];
+    }
+}
+
+// Private helper to decrement a subsystem's ref counter.
+static void SDL_DecrementSubsystemRefCount(Uint32 subsystem)
+{
+    const int subsystem_index = SDL_MostSignificantBitIndex32(subsystem);
+    if ((subsystem_index >= 0) && (SDL_SubsystemRefCount[subsystem_index] > 0)) {
+        if (SDL_bInMainQuit) {
+            SDL_SubsystemRefCount[subsystem_index] = 0;
+        } else {
+            --SDL_SubsystemRefCount[subsystem_index];
+        }
+    }
+}
+
+// Private helper to check if a system needs init.
+static bool SDL_ShouldInitSubsystem(Uint32 subsystem)
+{
+    const int subsystem_index = SDL_MostSignificantBitIndex32(subsystem);
+    SDL_assert((subsystem_index < 0) || (SDL_SubsystemRefCount[subsystem_index] < 255));
+    return ((subsystem_index >= 0) && (SDL_SubsystemRefCount[subsystem_index] == 0));
+}
+
+// Private helper to check if a system needs to be quit.
+static bool SDL_ShouldQuitSubsystem(Uint32 subsystem)
+{
+    const int subsystem_index = SDL_MostSignificantBitIndex32(subsystem);
+    if ((subsystem_index >= 0) && (SDL_SubsystemRefCount[subsystem_index] == 0)) {
+        return false;
+    }
+
+    /* If we're in SDL_Quit, we shut down every subsystem, even if refcount
+     * isn't zero.
+     */
+    return (((subsystem_index >= 0) && (SDL_SubsystemRefCount[subsystem_index] == 1)) || SDL_bInMainQuit);
+}
+
+/* Private helper to either increment's existing ref counter,
+ * or fully init a new subsystem. */
+static bool SDL_InitOrIncrementSubsystem(Uint32 subsystem)
+{
+    int subsystem_index = SDL_MostSignificantBitIndex32(subsystem);
+    SDL_assert((subsystem_index < 0) || (SDL_SubsystemRefCount[subsystem_index] < 255));
+    if (subsystem_index < 0) {
+        return false;
+    }
+    if (SDL_SubsystemRefCount[subsystem_index] > 0) {
+        ++SDL_SubsystemRefCount[subsystem_index];
+        return true;
+    }
+    return SDL_InitSubSystem(subsystem);
+}
+
+void SDL_SetMainReady(void)
+{
+    SDL_MainIsReady = true;
+
+    if (SDL_MainThreadID == 0) {
+        SDL_MainThreadID = SDL_GetCurrentThreadID();
+    }
+}
+
+bool SDL_IsMainThread(void)
+{
+    if (SDL_MainThreadID == 0) {
+        // Not initialized yet?
+        return true;
+    }
+    if (SDL_MainThreadID == SDL_GetCurrentThreadID()) {
+        return true;
+    }
+    return false;
+}
+
+// Initialize all the subsystems that require initialization before threads start
+void SDL_InitMainThread(void)
+{
+    static bool done_info = false;
+
+    SDL_InitTLSData();
+    SDL_InitEnvironment();
+    SDL_InitTicks();
+    SDL_InitFilesystem();
+
+    if (!done_info) {
+        const char *value;
+
+        value = SDL_GetAppMetadataProperty(SDL_PROP_APP_METADATA_NAME_STRING);
+        SDL_LogInfo(SDL_LOG_CATEGORY_SYSTEM, "App name: %s", value ? value : "<unspecified>");
+        value = SDL_GetAppMetadataProperty(SDL_PROP_APP_METADATA_VERSION_STRING);
+        SDL_LogInfo(SDL_LOG_CATEGORY_SYSTEM, "App version: %s", value ? value : "<unspecified>");
+        value = SDL_GetAppMetadataProperty(SDL_PROP_APP_METADATA_IDENTIFIER_STRING);
+        SDL_LogInfo(SDL_LOG_CATEGORY_SYSTEM, "App ID: %s", value ? value : "<unspecified>");
+        SDL_LogInfo(SDL_LOG_CATEGORY_SYSTEM, "SDL revision: %s", SDL_REVISION);
+
+        done_info = true;
+    }
+}
+
+static void SDL_QuitMainThread(void)
+{
+    SDL_QuitFilesystem();
+    SDL_QuitTicks();
+    SDL_QuitEnvironment();
+    SDL_QuitTLSData();
+}
+
+bool SDL_InitSubSystem(SDL_InitFlags flags)
+{
+    Uint32 flags_initialized = 0;
+
+    if (!SDL_MainIsReady) {
+        return SDL_SetError("Application didn't initialize properly, did you include SDL_main.h in the file containing your main() function?");
+    }
+
+    SDL_InitMainThread();
+
+#ifdef SDL_USE_LIBDBUS
+    SDL_DBus_Init();
+#endif
+
+#ifdef SDL_VIDEO_DRIVER_WINDOWS
+    if (flags & (SDL_INIT_HAPTIC | SDL_INIT_JOYSTICK)) {
+        if (!SDL_HelperWindowCreate()) {
+            goto quit_and_error;
+        }
+    }
+#endif
+
+    // Initialize the event subsystem
+    if (flags & SDL_INIT_EVENTS) {
+        if (SDL_ShouldInitSubsystem(SDL_INIT_EVENTS)) {
+            SDL_IncrementSubsystemRefCount(SDL_INIT_EVENTS);
+            if (!SDL_InitEvents()) {
+                SDL_DecrementSubsystemRefCount(SDL_INIT_EVENTS);
+                goto quit_and_error;
+            }
+        } else {
+            SDL_IncrementSubsystemRefCount(SDL_INIT_EVENTS);
+        }
+        flags_initialized |= SDL_INIT_EVENTS;
+    }
+
+    // Initialize the video subsystem
+    if (flags & SDL_INIT_VIDEO) {
+#ifndef SDL_VIDEO_DISABLED
+        if (SDL_ShouldInitSubsystem(SDL_INIT_VIDEO)) {
+            // video implies events
+            if (!SDL_InitOrIncrementSubsystem(SDL_INIT_EVENTS)) {
+                goto quit_and_error;
+            }
+
+            // We initialize video on the main thread
+            // On Apple platforms this is a requirement.
+            // On other platforms, this is the definition.
+            SDL_MainThreadID = SDL_GetCurrentThreadID();
+
+            SDL_IncrementSubsystemRefCount(SDL_INIT_VIDEO);
+            if (!SDL_VideoInit(NULL)) {
+                SDL_DecrementSubsystemRefCount(SDL_INIT_VIDEO);
+                SDL_PushError();
+                SDL_QuitSubSystem(SDL_INIT_EVENTS);
+                SDL_PopError();
+                goto quit_and_error;
+            }
+        } else {
+            SDL_IncrementSubsystemRefCount(SDL_INIT_VIDEO);
+        }
+        flags_initialized |= SDL_INIT_VIDEO;
+#else
+        SDL_SetError("SDL not built with video support");
+        goto quit_and_error;
+#endif
+    }
+
+    // Initialize the audio subsystem
+    if (flags & SDL_INIT_AUDIO) {
+#ifndef SDL_AUDIO_DISABLED
+        if (SDL_ShouldInitSubsystem(SDL_INIT_AUDIO)) {
+            // audio implies events
+            if (!SDL_InitOrIncrementSubsystem(SDL_INIT_EVENTS)) {
+                goto quit_and_error;
+            }
+
+            SDL_IncrementSubsystemRefCount(SDL_INIT_AUDIO);
+            if (!SDL_InitAudio(NULL)) {
+                SDL_DecrementSubsystemRefCount(SDL_INIT_AUDIO);
+                SDL_PushError();
+                SDL_QuitSubSystem(SDL_INIT_EVENTS);
+                SDL_PopError();
+                goto quit_and_error;
+            }
+        } else {
+            SDL_IncrementSubsystemRefCount(SDL_INIT_AUDIO);
+        }
+        flags_initialized |= SDL_INIT_AUDIO;
+#else
+        SDL_SetError("SDL not built with audio support");
+        goto quit_and_error;
+#endif
+    }
+
+    // Initialize the joystick subsystem
+    if (flags & SDL_INIT_JOYSTICK) {
+#ifndef SDL_JOYSTICK_DISABLED
+        if (SDL_ShouldInitSubsystem(SDL_INIT_JOYSTICK)) {
+            // joystick implies events
+            if (!SDL_InitOrIncrementSubsystem(SDL_INIT_EVENTS)) {
+                goto quit_and_error;
+            }
+
+            SDL_IncrementSubsystemRefCount(SDL_INIT_JOYSTICK);
+            if (!SDL_InitJoysticks()) {
+                SDL_DecrementSubsystemRefCount(SDL_INIT_JOYSTICK);
+                SDL_PushError();
+                SDL_QuitSubSystem(SDL_INIT_EVENTS);
+                SDL_PopError();
+                goto quit_and_error;
+            }
+        } else {
+            SDL_IncrementSubsystemRefCount(SDL_INIT_JOYSTICK);
+        }
+        flags_initialized |= SDL_INIT_JOYSTICK;
+#else
+        SDL_SetError("SDL not built with joystick support");
+        goto quit_and_error;
+#endif
+    }
+
+    if (flags & SDL_INIT_GAMEPAD) {
+#ifndef SDL_JOYSTICK_DISABLED
+        if (SDL_ShouldInitSubsystem(SDL_INIT_GAMEPAD)) {
+            // game controller implies joystick
+            if (!SDL_InitOrIncrementSubsystem(SDL_INIT_JOYSTICK)) {
+                goto quit_and_error;
+            }
+
+            SDL_IncrementSubsystemRefCount(SDL_INIT_GAMEPAD);
+            if (!SDL_InitGamepads()) {
+                SDL_DecrementSubsystemRefCount(SDL_INIT_GAMEPAD);
+                SDL_PushError();
+                SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
+                SDL_PopError();
+                goto quit_and_error;
+            }
+        } else {
+            SDL_IncrementSubsystemRefCount(SDL_INIT_GAMEPAD);
+        }
+        flags_initialized |= SDL_INIT_GAMEPAD;
+#else
+        SDL_SetError("SDL not built with joystick support");
+        goto quit_and_error;
+#endif
+    }
+
+    // Initialize the haptic subsystem
+    if (flags & SDL_INIT_HAPTIC) {
+#ifndef SDL_HAPTIC_DISABLED
+        if (SDL_ShouldInitSubsystem(SDL_INIT_HAPTIC)) {
+            SDL_IncrementSubsystemRefCount(SDL_INIT_HAPTIC);
+            if (!SDL_InitHaptics()) {
+                SDL_DecrementSubsystemRefCount(SDL_INIT_HAPTIC);
+                goto quit_and_error;
+            }
+        } else {
+            SDL_IncrementSubsystemRefCount(SDL_INIT_HAPTIC);
+        }
+        flags_initialized |= SDL_INIT_HAPTIC;
+#else
+        SDL_SetError("SDL not built with haptic (force feedback) support");
+        goto quit_and_error;
+#endif
+    }
+
+    // Initialize the sensor subsystem
+    if (flags & SDL_INIT_SENSOR) {
+#ifndef SDL_SENSOR_DISABLED
+        if (SDL_ShouldInitSubsystem(SDL_INIT_SENSOR)) {
+            SDL_IncrementSubsystemRefCount(SDL_INIT_SENSOR);
+            if (!SDL_InitSensors()) {
+                SDL_DecrementSubsystemRefCount(SDL_INIT_SENSOR);
+                goto quit_and_error;
+            }
+        } else {
+            SDL_IncrementSubsystemRefCount(SDL_INIT_SENSOR);
+        }
+        flags_initialized |= SDL_INIT_SENSOR;
+#else
+        SDL_SetError("SDL not built with sensor support");
+        goto quit_and_error;
+#endif
+    }
+
+    // Initialize the camera subsystem
+    if (flags & SDL_INIT_CAMERA) {
+#ifndef SDL_CAMERA_DISABLED
+        if (SDL_ShouldInitSubsystem(SDL_INIT_CAMERA)) {
+            // camera implies events
+            if (!SDL_InitOrIncrementSubsystem(SDL_INIT_EVENTS)) {
+                goto quit_and_error;
+            }
+
+            SDL_IncrementSubsystemRefCount(SDL_INIT_CAMERA);
+            if (!SDL_CameraInit(NULL)) {
+                SDL_DecrementSubsystemRefCount(SDL_INIT_CAMERA);
+                SDL_PushError();
+                SDL_QuitSubSystem(SDL_INIT_EVENTS);
+                SDL_PopError();
+                goto quit_and_error;
+            }
+        } else {
+            SDL_IncrementSubsystemRefCount(SDL_INIT_CAMERA);
+        }
+        flags_initialized |= SDL_INIT_CAMERA;
+#else
+        SDL_SetError("SDL not built with camera support");
+        goto quit_and_error;
+#endif
+    }
+
+    (void)flags_initialized; // make static analysis happy, since this only gets used in error cases.
+
+    return SDL_ClearError();
+
+quit_and_error:
+    {
+        SDL_PushError();
+        SDL_QuitSubSystem(flags_initialized);
+        SDL_PopError();
+    }
+    return false;
+}
+
+bool SDL_Init(SDL_InitFlags flags)
+{
+    return SDL_InitSubSystem(flags);
+}
+
+void SDL_QuitSubSystem(SDL_InitFlags flags)
+{
+    // Shut down requested initialized subsystems
+
+#ifndef SDL_CAMERA_DISABLED
+    if (flags & SDL_INIT_CAMERA) {
+        if (SDL_ShouldQuitSubsystem(SDL_INIT_CAMERA)) {
+            SDL_QuitCamera();
+            // camera implies events
+            SDL_QuitSubSystem(SDL_INIT_EVENTS);
+        }
+        SDL_DecrementSubsystemRefCount(SDL_INIT_CAMERA);
+    }
+#endif
+
+#ifndef SDL_SENSOR_DISABLED
+    if (flags & SDL_INIT_SENSOR) {
+        if (SDL_ShouldQuitSubsystem(SDL_INIT_SENSOR)) {
+            SDL_QuitSensors();
+        }
+        SDL_DecrementSubsystemRefCount(SDL_INIT_SENSOR);
+    }
+#endif
+
+#ifndef SDL_JOYSTICK_DISABLED
+    if (flags & SDL_INIT_GAMEPAD) {
+        if (SDL_ShouldQuitSubsystem(SDL_INIT_GAMEPAD)) {
+            SDL_QuitGamepads();
+            // game controller implies joystick
+            SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
+        }
+        SDL_DecrementSubsystemRefCount(SDL_INIT_GAMEPAD);
+    }
+
+    if (flags & SDL_INIT_JOYSTICK) {
+        if (SDL_ShouldQuitSubsystem(SDL_INIT_JOYSTICK)) {
+            SDL_QuitJoysticks();
+            // joystick implies events
+            SDL_QuitSubSystem(SDL_INIT_EVENTS);
+        }
+        SDL_DecrementSubsystemRefCount(SDL_INIT_JOYSTICK);
+    }
+#endif
+
+#ifndef SDL_HAPTIC_DISABLED
+    if (flags & SDL_INIT_HAPTIC) {
+        if (SDL_ShouldQuitSubsystem(SDL_INIT_HAPTIC)) {
+            SDL_QuitHaptics();
+        }
+        SDL_DecrementSubsystemRefCount(SDL_INIT_HAPTIC);
+    }
+#endif
+
+#ifndef SDL_AUDIO_DISABLED
+    if (flags & SDL_INIT_AUDIO) {
+        if (SDL_ShouldQuitSubsystem(SDL_INIT_AUDIO)) {
+            SDL_QuitAudio();
+            // audio implies events
+            SDL_QuitSubSystem(SDL_INIT_EVENTS);
+        }
+        SDL_DecrementSubsystemRefCount(SDL_INIT_AUDIO);
+    }
+#endif
+
+#ifndef SDL_VIDEO_DISABLED
+    if (flags & SDL_INIT_VIDEO) {
+        if (SDL_ShouldQuitSubsystem(SDL_INIT_VIDEO)) {
+            SDL_QuitRender();
+            SDL_VideoQuit();
+            // video implies events
+            SDL_QuitSubSystem(SDL_INIT_EVENTS);
+        }
+        SDL_DecrementSubsystemRefCount(SDL_INIT_VIDEO);
+    }
+#endif
+
+    if (flags & SDL_INIT_EVENTS) {
+        if (SDL_ShouldQuitSubsystem(SDL_INIT_EVENTS)) {
+            SDL_QuitEvents();
+        }
+        SDL_DecrementSubsystemRefCount(SDL_INIT_EVENTS);
+    }
+}
+
+Uint32 SDL_WasInit(SDL_InitFlags flags)
+{
+    int i;
+    int num_subsystems = SDL_arraysize(SDL_SubsystemRefCount);
+    Uint32 initialized = 0;
+
+    // Fast path for checking one flag
+    if (SDL_HasExactlyOneBitSet32(flags)) {
+        int subsystem_index = SDL_MostSignificantBitIndex32(flags);
+        return SDL_SubsystemRefCount[subsystem_index] ? flags : 0;
+    }
+
+    if (!flags) {
+        flags = SDL_INIT_EVERYTHING;
+    }
+
+    num_subsystems = SDL_min(num_subsystems, SDL_MostSignificantBitIndex32(flags) + 1);
+
+    // Iterate over each bit in flags, and check the matching subsystem.
+    for (i = 0; i < num_subsystems; ++i) {
+        if ((flags & 1) && SDL_SubsystemRefCount[i] > 0) {
+            initialized |= (1 << i);
+        }
+
+        flags >>= 1;
+    }
+
+    return initialized;
+}
+
+void SDL_Quit(void)
+{
+    SDL_bInMainQuit = true;
+
+    // Quit all subsystems
+#ifdef SDL_VIDEO_DRIVER_WINDOWS
+    SDL_HelperWindowDestroy();
+#endif
+    SDL_QuitSubSystem(SDL_INIT_EVERYTHING);
+    SDL_CleanupTrays();
+
+#ifdef SDL_USE_LIBDBUS
+    SDL_DBus_Quit();
+#endif
+
+    SDL_QuitTimers();
+    SDL_QuitAsyncIO();
+
+    SDL_SetObjectsInvalid();
+    SDL_AssertionsQuit();
+
+    SDL_QuitPixelFormatDetails();
+
+    SDL_QuitCPUInfo();
+
+    /* Now that every subsystem has been quit, we reset the subsystem refcount
+     * and the list of initialized subsystems.
+     */
+    SDL_memset(SDL_SubsystemRefCount, 0x0, sizeof(SDL_SubsystemRefCount));
+
+    SDL_QuitLog();
+    SDL_QuitHints();
+    SDL_QuitProperties();
+
+    SDL_QuitMainThread();
+
+    SDL_bInMainQuit = false;
+}
+
+// Get the library version number
+int SDL_GetVersion(void)
+{
+    return SDL_VERSION;
+}
+
+// Get the library source revision
+const char *SDL_GetRevision(void)
+{
+    return SDL_REVISION;
+}
+
+// Get the name of the platform
+const char *SDL_GetPlatform(void)
+{
+#if defined(SDL_PLATFORM_PRIVATE)
+    return SDL_PLATFORM_PRIVATE_NAME;
+#elif defined(SDL_PLATFORM_AIX)
+    return "AIX";
+#elif defined(SDL_PLATFORM_ANDROID)
+    return "Android";
+#elif defined(SDL_PLATFORM_BSDI)
+    return "BSDI";
+#elif defined(SDL_PLATFORM_EMSCRIPTEN)
+    return "Emscripten";
+#elif defined(SDL_PLATFORM_FREEBSD)
+    return "FreeBSD";
+#elif defined(SDL_PLATFORM_HAIKU)
+    return "Haiku";
+#elif defined(SDL_PLATFORM_HPUX)
+    return "HP-UX";
+#elif defined(SDL_PLATFORM_IRIX)
+    return "Irix";
+#elif defined(SDL_PLATFORM_LINUX)
+    return "Linux";
+#elif defined(__MINT__)
+    return "Atari MiNT";
+#elif defined(SDL_PLATFORM_MACOS)
+    return "macOS";
+#elif defined(SDL_PLATFORM_NETBSD)
+    return "NetBSD";
+#elif defined(SDL_PLATFORM_OPENBSD)
+    return "OpenBSD";
+#elif defined(SDL_PLATFORM_OS2)
+    return "OS/2";
+#elif defined(SDL_PLATFORM_OSF)
+    return "OSF/1";
+#elif defined(SDL_PLATFORM_QNXNTO)
+    return "QNX Neutrino";
+#elif defined(SDL_PLATFORM_RISCOS)
+    return "RISC OS";
+#elif defined(SDL_PLATFORM_SOLARIS)
+    return "Solaris";
+#elif defined(SDL_PLATFORM_WIN32)
+    return "Windows";
+#elif defined(SDL_PLATFORM_WINGDK)
+    return "WinGDK";
+#elif defined(SDL_PLATFORM_XBOXONE)
+    return "Xbox One";
+#elif defined(SDL_PLATFORM_XBOXSERIES)
+    return "Xbox Series X|S";
+#elif defined(SDL_PLATFORM_IOS)
+    return "iOS";
+#elif defined(SDL_PLATFORM_TVOS)
+    return "tvOS";
+#elif defined(SDL_PLATFORM_PS2)
+    return "PlayStation 2";
+#elif defined(SDL_PLATFORM_PSP)
+    return "PlayStation Portable";
+#elif defined(SDL_PLATFORM_VITA)
+    return "PlayStation Vita";
+#elif defined(SDL_PLATFORM_3DS)
+    return "Nintendo 3DS";
+#elif defined(__managarm__)
+    return "Managarm";
+#else
+    return "Unknown (see SDL_platform.h)";
+#endif
+}
+
+bool SDL_IsTablet(void)
+{
+#ifdef SDL_PLATFORM_ANDROID
+    return SDL_IsAndroidTablet();
+#elif defined(SDL_PLATFORM_IOS)
+    extern bool SDL_IsIPad(void);
+    return SDL_IsIPad();
+#else
+    return false;
+#endif
+}
+
+bool SDL_IsTV(void)
+{
+#ifdef SDL_PLATFORM_ANDROID
+    return SDL_IsAndroidTV();
+#elif defined(SDL_PLATFORM_IOS)
+    extern bool SDL_IsAppleTV(void);
+    return SDL_IsAppleTV();
+#else
+    return false;
+#endif
+}
+
+static SDL_Sandbox SDL_DetectSandbox(void)
+{
+#if defined(SDL_PLATFORM_LINUX)
+    if (access("/.flatpak-info", F_OK) == 0) {
+        return SDL_SANDBOX_FLATPAK;
+    }
+
+    /* For Snap, we check multiple variables because they might be set for
+     * unrelated reasons. This is the same thing WebKitGTK does. */
+    if (SDL_getenv("SNAP") && SDL_getenv("SNAP_NAME") && SDL_getenv("SNAP_REVISION")) {
+        return SDL_SANDBOX_SNAP;
+    }
+
+    if (access("/run/host/container-manager", F_OK) == 0) {
+        return SDL_SANDBOX_UNKNOWN_CONTAINER;
+    }
+
+#elif defined(SDL_PLATFORM_MACOS)
+    if (SDL_getenv("APP_SANDBOX_CONTAINER_ID")) {
+        return SDL_SANDBOX_MACOS;
+    }
+#endif
+
+    return SDL_SANDBOX_NONE;
+}
+
+SDL_Sandbox SDL_GetSandbox(void)
+{
+    static SDL_Sandbox sandbox;
+    static bool sandbox_initialized;
+
+    if (!sandbox_initialized) {
+        sandbox = SDL_DetectSandbox();
+        sandbox_initialized = true;
+    }
+    return sandbox;
+}
+
+#ifdef SDL_PLATFORM_WIN32
+
+#if (!defined(HAVE_LIBC) || defined(__WATCOMC__)) && !defined(SDL_STATIC_LIB)
+// FIXME: Still need to include DllMain() on Watcom C ?
+
+BOOL APIENTRY MINGW32_FORCEALIGN _DllMainCRTStartup(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
+{
+    switch (ul_reason_for_call) {
+    case DLL_PROCESS_ATTACH:
+    case DLL_THREAD_ATTACH:
+    case DLL_THREAD_DETACH:
+    case DLL_PROCESS_DETACH:
+        break;
+    }
+    return TRUE;
+}
+#endif // Building DLL
+
+#endif // defined(SDL_PLATFORM_WIN32)