Merge remote-tracking branch 'origin/1.12' into 1.12

Source/Editor/Editor.cpp

@@ -654,7 +654,7 @@ Window* Editor::CreateMainWindow()
     PROFILE_MEM(Editor);
     Window* window = Managed->GetMainWindow();
 
-#if PLATFORM_LINUX
+#if PLATFORM_LINUX || (PLATFORM_MAC && PLATFORM_SDL)
     // Set window icon
     const String iconPath = Globals::BinariesFolder / TEXT("Logo.png");
     if (FileSystem::FileExists(iconPath))

Source/Editor/GUI/Docking/FloatWindowDockPanel.cs

@@ -32,7 +32,7 @@ namespace FlaxEditor.GUI.Docking
                 return base.OnMouseDown(location, button);
             }
 
-#if !PLATFORM_WINDOWS
+#if PLATFORM_LINUX
             /// <inheritdoc />
             protected override WindowHitCodes OnHitTest(ref Float2 mouse)
             {

Source/Engine/Platform/Mac/MacFileSystemWatcher.cpp

@@ -1,6 +1,7 @@
 // Copyright (c) Wojciech Figat. All rights reserved.
 
 #if PLATFORM_MAC
+
 #include "MacFileSystemWatcher.h"
 #include "Engine/Platform/Apple/AppleUtils.h"
 #include "Engine/Platform/CriticalSection.h"
@@ -9,47 +10,32 @@
 #include "Engine/Core/Collections/Array.h"
 #include "Engine/Core/Types/StringView.h"
 
-void DirectoryWatchCallback( ConstFSEventStreamRef StreamRef, void* FileWatcherPtr, size_t EventCount, void* EventPaths, const FSEventStreamEventFlags EventFlags[], const FSEventStreamEventId EventIDs[] )
+void DirectoryWatchCallback( ConstFSEventStreamRef StreamRef, void* FileWatcherPtr, size_t EventCount, void* EventPaths, const FSEventStreamEventFlags EventFlags[], const FSEventStreamEventId EventIDs[])
 {
     MacFileSystemWatcher* macFileSystemWatcher = (MacFileSystemWatcher*)FileWatcherPtr;
     if (macFileSystemWatcher)
     {
         CFArrayRef EventPathArray = (CFArrayRef)EventPaths;
-        for( size_t EventIndex = 0; EventIndex < EventCount; ++EventIndex )
+        for (size_t eventIndex = 0; eventIndex < EventCount; eventIndex++)
         {
-            const FSEventStreamEventFlags Flags = EventFlags[EventIndex];
-            if( !(Flags & kFSEventStreamEventFlagItemIsFile) && !(Flags & kFSEventStreamEventFlagItemIsDir) )
+            const FSEventStreamEventFlags flags = EventFlags[eventIndex];
+            if (!(flags & kFSEventStreamEventFlagItemIsFile) && !(flags & kFSEventStreamEventFlagItemIsDir))
             {
-                // events about symlinks don't concern us
+                // Events about symlinks don't concern us
                 continue;
             }
-            
+
             auto action = FileSystemAction::Unknown;
-            
-            const bool added = ( Flags & kFSEventStreamEventFlagItemCreated );
-            const bool renamed = ( Flags & kFSEventStreamEventFlagItemRenamed );
-            const bool modified = ( Flags & kFSEventStreamEventFlagItemModified );
-            const bool removed = ( Flags & kFSEventStreamEventFlagItemRemoved );
-            
-            if (added)
-            {
+            if (flags & kFSEventStreamEventFlagItemCreated)
                 action = FileSystemAction::Create;
-            }
-            if (renamed)
-            {
+            if (flags & kFSEventStreamEventFlagItemRenamed)
                 action = FileSystemAction::Rename;
-            }
-            if (modified)
-            {
+            if (flags & kFSEventStreamEventFlagItemModified)
                 action = FileSystemAction::Modify;
-            }
-            if (removed)
-            {
+            if (flags & kFSEventStreamEventFlagItemRemoved)
                 action = FileSystemAction::Delete;
-            }
-            
-            const String resolvedPath = AppleUtils::ToString((CFStringRef)CFArrayGetValueAtIndex(EventPathArray,EventIndex));
-            
+
+            const String resolvedPath = AppleUtils::ToString((CFStringRef)CFArrayGetValueAtIndex(EventPathArray, eventIndex));
             macFileSystemWatcher->OnEvent(resolvedPath, action);
         }
     }
@@ -61,9 +47,8 @@ MacFileSystemWatcher::MacFileSystemWatcher(const String& directory, bool withSub
         
     CFStringRef FullPathMac = AppleUtils::ToString(StringView(directory));
     CFArrayRef PathsToWatch = CFArrayCreate(NULL, (const void**)&FullPathMac, 1, NULL);
-    
+
     CFAbsoluteTime Latency = 0.2;
-    
     FSEventStreamContext Context;
     Context.version = 0;
     Context.info = this;
@@ -71,7 +56,7 @@ MacFileSystemWatcher::MacFileSystemWatcher(const String& directory, bool withSub
     Context.release = NULL;
     Context.copyDescription = NULL;
 
-    EventStream = FSEventStreamCreate( NULL,
+    _eventStream = FSEventStreamCreate(NULL,
         &DirectoryWatchCallback,
         &Context,
         PathsToWatch,
@@ -82,21 +67,27 @@ MacFileSystemWatcher::MacFileSystemWatcher(const String& directory, bool withSub
     
     CFRelease(PathsToWatch);
     CFRelease(FullPathMac);
-    
-    FSEventStreamScheduleWithRunLoop( EventStream, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode );
-    FSEventStreamStart( EventStream );
-    
-    IsRunning = true;
+
+    _queue = dispatch_queue_create("MacFileSystemWatcher", NULL);
+	FSEventStreamSetDispatchQueue(_eventStream, _queue);
+    FSEventStreamStart(_eventStream);
 }
 
 MacFileSystemWatcher::~MacFileSystemWatcher()
 {
-    if (IsRunning)
+    if (_eventStream)
     {
-        FSEventStreamStop(EventStream);
-        FSEventStreamUnscheduleFromRunLoop(EventStream, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
-        FSEventStreamInvalidate(EventStream);
-        FSEventStreamRelease(EventStream);
+        FSEventStreamStop(_eventStream);
+        FSEventStreamSetDispatchQueue(_eventStream, nullptr);
+        FSEventStreamInvalidate(_eventStream);
+        FSEventStreamRelease(_eventStream);
+        _eventStream = nullptr;
+    }
+    if (_queue != nullptr)
+    {
+        dispatch_release(_queue);
+        _queue = nullptr;
     }
 }
+
 #endif

Source/Engine/Platform/Mac/MacFileSystemWatcher.h

@@ -3,18 +3,20 @@
 #pragma once
 
 #if PLATFORM_MAC
+
 #include "Engine/Platform/Base/FileSystemWatcherBase.h"
-
 #include <CoreServices/CoreServices.h>
 
-
 /// <summary>
 /// Mac platform implementation of the file system watching object.
 /// </summary>
 class FLAXENGINE_API MacFileSystemWatcher : public FileSystemWatcherBase
 {
-public:
+private:
+    FSEventStreamRef _eventStream;
+    dispatch_queue_t _queue;
 
+public:
     /// <summary>
     /// Initializes a new instance of the <see cref="MacFileSystemWatcher"/> class.
     /// </summary>
@@ -26,14 +28,6 @@ public:
     /// Finalizes an instance of the <see cref="MacFileSystemWatcher"/> class.
     /// </summary>
     ~MacFileSystemWatcher();
-
-public:
-
-
-    
-private:
-
-    FSEventStreamRef	EventStream;
-    bool                IsRunning;
 };
+
 #endif

Source/Engine/Platform/Mac/MacPlatform.cpp

@@ -446,10 +446,10 @@ int32 MacPlatform::CreateProcess(CreateProcessSettings& settings)
     String exePath = settings.FileName;
 	{
         NSString* processPath = (NSString*)AppleUtils::ToString(exePath);
-        if (![[NSFileManager defaultManager] fileExistsAtPath: processPath])
+        if (![[NSFileManager defaultManager] fileExistsAtPath:processPath])
         {
             NSString* appName = [[processPath lastPathComponent] stringByDeletingPathExtension];
-            processPath = [[NSWorkspace sharedWorkspace] fullPathForApplication:appName];
+			processPath = [[[NSWorkspace sharedWorkspace] URLForApplicationWithBundleIdentifier:appName] path];
         }
         if ([[NSFileManager defaultManager] fileExistsAtPath: processPath])
         {

Source/Engine/Platform/SDL/SDLInput.cpp

@@ -359,7 +359,6 @@ class SDLMouse : public Mouse
 private:
     Float2 _oldPosition = Float2::Zero;
     Window* _relativeModeWindow = nullptr;
-    const SDL_Rect* _oldScreenRect = nullptr;
 public:
 
     /// <summary>
@@ -408,13 +407,14 @@ public:
         {
             _relativeModeWindow = window;
             SDL_GetMouseState(&_oldPosition.X, &_oldPosition.Y);
+#if !PLATFORM_MAC
             if (!SDL_CursorVisible())
             {
-                // Trap the cursor in current location
+                // Trap the cursor in current location to prevent accidental interactions with other UI elements or applications
                 SDL_Rect clipRect = { (int)_oldPosition.X, (int)_oldPosition.Y, 1, 1 };
-                _oldScreenRect = SDL_GetWindowMouseRect(windowHandle);
                 SDL_SetWindowMouseRect(windowHandle, &clipRect);
             }
+#endif
         }
         else
         {
@@ -423,9 +423,10 @@ public:
                 // FIXME: When floating game window is focused and editor viewport activated, the relative mode gets stuck
                 return;
             }
-            SDL_SetWindowMouseRect(windowHandle, nullptr);//oldScreenRect);
+#if !PLATFORM_MAC
+            SDL_SetWindowMouseRect(windowHandle, nullptr);
+#endif
             SDL_WarpMouseInWindow(windowHandle, _oldPosition.X, _oldPosition.Y);
-            _oldScreenRect = nullptr;
             _relativeModeWindow = nullptr;
         }
 
@@ -433,8 +434,8 @@ public:
         if (!SDL_SetWindowRelativeMouseMode(windowHandle, relativeMode))
             LOG(Error, "Failed to set mouse relative mode: {0}", String(SDL_GetError()));
 
-#if PLATFORM_MAC
-        // Warping right before entering relative mode seems to generate motion event for relative mode
+#if false && PLATFORM_MAC
+        // Warping right before entering relative mode seems to generate motion event during relative mode
         SDL_PumpEvents();
         SDL_FlushEvent(SDL_EVENT_MOUSE_MOTION);
 #endif

Source/Engine/Platform/SDL/SDLPlatform.Mac.cpp

@@ -12,24 +12,56 @@
 #include "Engine/Input/Input.h"
 #include "Engine/Input/Mouse.h"
 #include "Engine/Platform/IGuiData.h"
-#include "Engine/Platform/MessageBox.h"
 #include "Engine/Platform/Platform.h"
 #include "Engine/Platform/WindowsManager.h"
 #include "Engine/Platform/Base/DragDropHelper.h"
 #include "Engine/Platform/SDL/SDLClipboard.h"
-#include "Engine/Platform/Unix/UnixFile.h"
-#include "Engine/Profiler/ProfilerCPU.h"
 
-#include "Engine/Platform/Linux/IncludeX11.h"
+#include "Engine/Platform/Apple/AppleUtils.h"
+#include <Cocoa/Cocoa.h>
+#include <AppKit/AppKit.h>
+#include <QuartzCore/CAMetalLayer.h>
 
 #include <SDL3/SDL_events.h>
 #include <SDL3/SDL_hints.h>
-#include <SDL3/SDL_messagebox.h>
 #include <SDL3/SDL_mouse.h>
 #include <SDL3/SDL_system.h>
 #include <SDL3/SDL_timer.h>
 #include <SDL3/SDL_video.h>
 
+namespace MacImpl
+{
+    Window* DraggedWindow = nullptr;
+    String DraggingData = String();
+    Float2 DraggingPosition;
+    Nullable<Float2> LastMouseDragPosition;
+    bool DraggingActive = false;
+    bool DraggingIgnoreEvent = false;
+    NSDraggingSession* MacDragSession = nullptr;
+    int64 MacDragExitFlag = 0;
+}
+
+class MacDropData : public IGuiData
+{
+public:
+    Type CurrentType;
+    String AsText;
+    Array<String> AsFiles;
+
+    Type GetType() const override
+    {
+        return CurrentType;
+    }
+    String GetAsText() const override
+    {
+        return AsText;
+    }
+    void GetAsFiles(Array<String>* files) const override
+    {
+        files->Add(AsFiles);
+    }
+};
+
 bool SDLPlatform::InitInternal()
 {
     return false;
@@ -50,16 +82,212 @@ bool SDLPlatform::UsesX11()
     return false;
 }
 
+bool SDLPlatform::EventFilterCallback(void* userdata, SDL_Event* event)
+{
+    Window* draggedWindow = *(Window**)userdata;
+    if (draggedWindow == nullptr)
+    {
+        if (MacImpl::DraggingActive)
+        {
+            // Handle events during drag operation here since the normal event loop is blocked
+            if (event->type == SDL_EVENT_WINDOW_EXPOSED)
+            {
+                // The internal timer is sending exposed events every ~16ms
+#if USE_EDITOR
+                // Flush any single-frame shapes to prevent memory leaking (eg. via terrain collision debug during scene drawing with PhysicsColliders or PhysicsDebug flag)
+                DebugDraw::UpdateContext(nullptr, 0.0f);
+#endif
+                Engine::OnUpdate(); // For docking updates
+                Engine::OnDraw();
+            }
+            else
+            {
+                SDLWindow* window = SDLWindow::GetWindowFromEvent(*event);
+                if (window)
+                    window->HandleEvent(*event);
+
+                // We do not receive events at steady rate to keep the engine updated...
+#if USE_EDITOR
+                // Flush any single-frame shapes to prevent memory leaking (eg. via terrain collision debug during scene drawing with PhysicsColliders or PhysicsDebug flag)
+                DebugDraw::UpdateContext(nullptr, 0.0f);
+#endif
+                Engine::OnUpdate(); // For docking updates
+                Engine::OnDraw();
+
+                if (event->type == SDL_EVENT_DROP_BEGIN || event->type == SDL_EVENT_DROP_FILE || event->type == SDL_EVENT_DROP_TEXT)
+                    return true; // Filtering these event stops other following events from getting added to the queue
+            }
+            return false;
+        }
+        return true;
+    }
+    return true;
+}
+
 void SDLPlatform::PreHandleEvents()
 {
+    SDL_SetEventFilter(EventFilterCallback, &MacImpl::DraggedWindow);
 }
 
 void SDLPlatform::PostHandleEvents()
 {
+    SDL_SetEventFilter(EventFilterCallback, &MacImpl::DraggedWindow);
+
+    // Handle window dragging release here
+    if (MacImpl::DraggedWindow != nullptr)
+    {
+        Float2 mousePosition;
+        auto buttons = SDL_GetGlobalMouseState(&mousePosition.X, &mousePosition.Y);
+        bool buttonReleased = (buttons & SDL_BUTTON_MASK(SDL_BUTTON_LEFT)) == 0;
+        if (buttonReleased)
+        {
+            // Send simulated mouse up event
+            SDL_Event buttonUpEvent { 0 };
+            buttonUpEvent.motion.type = SDL_EVENT_MOUSE_BUTTON_UP;
+            buttonUpEvent.button.down = false;
+            buttonUpEvent.motion.windowID = SDL_GetWindowID(MacImpl::DraggedWindow->GetSDLWindow());
+            buttonUpEvent.motion.timestamp = SDL_GetTicksNS();
+            buttonUpEvent.motion.state = SDL_BUTTON_LEFT;
+            buttonUpEvent.button.clicks = 1;
+            buttonUpEvent.motion.x = mousePosition.X;
+            buttonUpEvent.motion.y = mousePosition.Y;
+            MacImpl::DraggedWindow->HandleEvent(buttonUpEvent);
+            MacImpl::DraggedWindow = nullptr;
+        }
+    }
 }
 
 bool SDLWindow::HandleEventInternal(SDL_Event& event)
 {
+    switch (event.type)
+    {
+    case SDL_EVENT_WINDOW_MOVED:
+    {
+        // Quartz doesn't report any mouse events when mouse is over the caption area, send a simulated event instead...
+        Float2 mousePosition;
+        auto buttons = SDL_GetGlobalMouseState(&mousePosition.X, &mousePosition.Y);
+        if ((buttons & SDL_BUTTON_MASK(SDL_BUTTON_LEFT)) != 0)
+        {
+            if (MacImpl::DraggedWindow == nullptr)
+            {
+                // TODO: verify mouse position, window focus
+                bool result = false;
+                OnLeftButtonHit(WindowHitCodes::Caption, result);
+                if (result)
+                    MacImpl::DraggedWindow = this;
+            }
+            else
+            {
+                Float2 mousePos = Platform::GetMousePosition();
+                Input::Mouse->OnMouseMove(mousePos, this);
+            }
+        }
+        break;
+    }
+    case SDL_EVENT_MOUSE_BUTTON_UP:
+    case SDL_EVENT_MOUSE_BUTTON_DOWN:
+    {
+        if (MacImpl::LastMouseDragPosition.HasValue())
+        {
+            // SDL reports wrong mouse position after dragging has ended
+            Float2 mouseClientPosition = ScreenToClient(MacImpl::LastMouseDragPosition.GetValue());
+            event.button.x = mouseClientPosition.X;
+            event.button.y = mouseClientPosition.Y;
+        }
+        break;
+    }
+    case SDL_EVENT_MOUSE_MOTION:
+    {
+        if (MacImpl::LastMouseDragPosition.HasValue())
+            MacImpl::LastMouseDragPosition.Reset();
+        if (MacImpl::DraggedWindow != nullptr)
+            return true;
+        break;
+    }
+    case SDL_EVENT_WINDOW_MOUSE_LEAVE:
+    {
+        OnDragLeave(); // Check for release of mouse button too?
+        break;
+    }
+    case SDL_EVENT_DROP_BEGIN:
+    case SDL_EVENT_DROP_POSITION:
+    case SDL_EVENT_DROP_FILE:
+    case SDL_EVENT_DROP_TEXT:
+    case SDL_EVENT_DROP_COMPLETE:
+    {
+        auto dpiScale = GetDpiScale();
+        Float2 mousePos = Float2(event.drop.x * dpiScale, event.drop.y * dpiScale);
+        DragDropEffect effect = DragDropEffect::None;
+        String text(event.drop.data);
+        MacDropData dropData;
+
+        if (MacImpl::DraggingActive)
+        {
+            // We don't have the window dragging data during these events...
+            text = MacImpl::DraggingData;
+            mousePos = ScreenToClient(MacImpl::DraggingPosition);
+
+            // Ensure mouse position is updated while dragging
+            Input::Mouse->OnMouseMove(MacImpl::DraggingPosition, this);
+            MacImpl::LastMouseDragPosition = MacImpl::DraggingPosition;
+        }
+        dropData.AsText = text;
+
+        if (event.type == SDL_EVENT_DROP_BEGIN)
+        {
+            // We don't know the type of dragged data at this point, so call the events for both types
+            if (!MacImpl::DraggingActive)
+            {
+                dropData.CurrentType = IGuiData::Type::Files;
+                OnDragEnter(&dropData, mousePos, effect);
+            }
+            if (effect == DragDropEffect::None)
+            {
+                dropData.CurrentType = IGuiData::Type::Text;
+                OnDragEnter(&dropData, mousePos, effect);
+            }
+        }
+        else if (event.type == SDL_EVENT_DROP_POSITION)
+        {
+            Input::Mouse->OnMouseMove(ClientToScreen(mousePos), this);
+
+            // We don't know the type of dragged data at this point, so call the events for both types
+            if (!MacImpl::DraggingActive)
+            {
+                dropData.CurrentType = IGuiData::Type::Files;
+                OnDragOver(&dropData, mousePos, effect);
+            }
+            if (effect == DragDropEffect::None)
+            {
+                dropData.CurrentType = IGuiData::Type::Text;
+                OnDragOver(&dropData, mousePos, effect);
+            }
+        }
+        else if (event.type == SDL_EVENT_DROP_FILE)
+        {
+            text.Split('\n', dropData.AsFiles);
+            dropData.CurrentType = IGuiData::Type::Files;
+            OnDragDrop(&dropData, mousePos, effect);
+        }
+        else if (event.type == SDL_EVENT_DROP_TEXT)
+        {
+            dropData.CurrentType = IGuiData::Type::Text;
+            OnDragDrop(&dropData, mousePos, effect);
+        }
+        else if (event.type == SDL_EVENT_DROP_COMPLETE)
+        {
+            OnDragLeave();
+            if (MacImpl::DraggingActive)
+            {
+                // The previous drop events needs to be flushed to avoid processing them twice
+                SDL_FlushEvents(SDL_EVENT_DROP_FILE, SDL_EVENT_DROP_POSITION);
+            }
+        }
+
+        // TODO: Implement handling for feedback effect result (https://github.com/libsdl-org/SDL/issues/10448)
+        break;
+    }
+    }
     return false;
 }
 
@@ -68,9 +296,153 @@ void SDLPlatform::SetHighDpiAwarenessEnabled(bool enable)
     // TODO: This is now called before Platform::Init, ensure the scaling is changed accordingly during Platform::Init (see ApplePlatform::SetHighDpiAwarenessEnabled)
 }
 
+inline bool IsWindowInvalid(Window* win)
+{
+    WindowsManager::WindowsLocker.Lock();
+    const bool hasWindow = WindowsManager::Windows.Contains(win);
+    WindowsManager::WindowsLocker.Unlock();
+    return !hasWindow || !win;
+}
+
+Float2 GetWindowTitleSize(const SDLWindow* window)
+{
+    Float2 size = Float2::Zero;
+    if (window->GetSettings().HasBorder)
+    {
+        NSRect frameStart = [(NSWindow*)window->GetNativePtr() frameRectForContentRect:NSMakeRect(0, 0, 0, 0)];
+        size.Y = frameStart.size.height;
+    }
+    return size * MacPlatform::ScreenScale;
+}
+
+Float2 GetMousePosition(SDLWindow* window, NSEvent* event)
+{
+    NSRect frame = [(NSWindow*)window->GetNativePtr() frame];
+    NSPoint point = [event locationInWindow];
+    return Float2(point.x, frame.size.height - point.y) * MacPlatform::ScreenScale - GetWindowTitleSize(window);
+}
+
+Float2 GetMousePosition(SDLWindow* window, const NSPoint& point)
+{
+    NSRect frame = [(NSWindow*)window->GetNativePtr() frame];
+    CGRect screenBounds = CGDisplayBounds(CGMainDisplayID());
+    return Float2(point.x, screenBounds.size.height - point.y) * MacPlatform::ScreenScale;
+}
+
+@interface ClipboardDataProviderImpl : NSObject <NSPasteboardItemDataProvider, NSDraggingSource>
+{
+@public
+    SDLWindow* Window;
+}
+@end
+
+@implementation ClipboardDataProviderImpl
+
+// NSPasteboardItemDataProvider
+// ---
+
+- (void)pasteboard:(nullable NSPasteboard*)pasteboard item:(NSPasteboardItem*)item provideDataForType:(NSPasteboardType)type
+{
+    if (IsWindowInvalid(Window)) return;
+    [pasteboard setString:(NSString*)AppleUtils::ToString(MacImpl::DraggingData) forType:NSPasteboardTypeString];
+}
+
+- (void)pasteboardFinishedWithDataProvider:(NSPasteboard*)pasteboard
+{
+}
+
+// NSDraggingSource
+// ---
+
+- (NSDragOperation)draggingSession:(NSDraggingSession*)session sourceOperationMaskForDraggingContext:(NSDraggingContext)context
+{
+    if (IsWindowInvalid(Window))
+        return NSDragOperationNone;
+
+    switch(context)
+    {
+    case NSDraggingContextOutsideApplication:
+        return NSDragOperationCopy;
+    case NSDraggingContextWithinApplication:
+        return NSDragOperationCopy;
+    default:
+        return NSDragOperationMove;
+    }
+}
+
+- (void)draggingSession:(NSDraggingSession*)session willBeginAtPoint:(NSPoint)screenPoint
+{
+    MacImpl::DraggingPosition = GetMousePosition(Window, screenPoint);
+}
+
+- (void)draggingSession:(NSDraggingSession*)session movedToPoint:(NSPoint)screenPoint
+{
+    MacImpl::DraggingPosition = GetMousePosition(Window, screenPoint);
+}
+
+- (void)draggingSession:(NSDraggingSession*)session endedAtPoint:(NSPoint)screenPoint operation:(NSDragOperation)operation
+{
+    MacImpl::DraggingPosition = GetMousePosition(Window, screenPoint);
+#if USE_EDITOR
+    // Stop background worker once the drag ended
+    if (MacImpl::MacDragSession && MacImpl::MacDragSession == session)
+        Platform::AtomicStore(&MacImpl::MacDragExitFlag, 1);
+#endif
+}
+
+@end
+
 DragDropEffect SDLWindow::DoDragDrop(const StringView& data)
 {
-    return DragDropEffect::None;
+    NSWindow* window = (NSWindow*)_handle;
+    ClipboardDataProviderImpl* clipboardDataProvider = [ClipboardDataProviderImpl alloc];
+    clipboardDataProvider->Window = this;
+
+    // Create mouse drag event
+    NSEvent* event = [NSEvent
+        mouseEventWithType:NSEventTypeLeftMouseDragged
+        location:window.mouseLocationOutsideOfEventStream
+        modifierFlags:0
+        timestamp:NSApp.currentEvent.timestamp
+        windowNumber:window.windowNumber
+        context:nil
+        eventNumber:0
+        clickCount:1
+        pressure:1.0];
+
+    // Create drag item
+    NSPasteboardItem* pasteItem = [NSPasteboardItem new];
+    [pasteItem setDataProvider:clipboardDataProvider forTypes:[NSArray arrayWithObjects:NSPasteboardTypeString, nil]];
+    NSDraggingItem* dragItem = [[NSDraggingItem alloc] initWithPasteboardWriter:pasteItem];
+    [dragItem setDraggingFrame:NSMakeRect(event.locationInWindow.x, event.locationInWindow.y, 100, 100) contents:nil];
+
+    // Start dragging session
+    NSDraggingSession* draggingSession = [window.contentView beginDraggingSessionWithItems:[NSArray arrayWithObject:dragItem] event:event source:clipboardDataProvider];
+    DragDropEffect result = DragDropEffect::None;
+
+#if USE_EDITOR
+    //ASSERT(!MacImpl::MacDragSession);
+    // TODO: Dragging item from dropdown box in a floating window attempts to init dragging twice
+    if (MacImpl::MacDragSession != nullptr)
+        return result;
+
+    MacImpl::MacDragSession = draggingSession;
+    MacImpl::MacDragExitFlag = 0;
+    MacImpl::DraggingData = data;
+    MacImpl::DraggingActive = true;
+    while (Platform::AtomicRead(&MacImpl::MacDragExitFlag) == 0)
+    {
+        // The internal event loop will block here during the drag operation,
+        // events are processed in the event filter callback instead.
+        SDLPlatform::Tick();
+        Platform::Sleep(1);
+    }
+    MacImpl::DraggingActive = false;
+    MacImpl::DraggingData.Clear();
+    MacImpl::MacDragSession = nullptr;
+#endif
+
+    return result;
 }
 
 DragDropEffect SDLWindow::DoDragDrop(const StringView& data, const Float2& offset, Window* dragSourceWindow)

Source/Engine/Platform/SDL/SDLPlatform.cpp

@@ -12,6 +12,7 @@
 #include "Engine/Platform/WindowsManager.h"
 #include "Engine/Platform/SDL/SDLInput.h"
 #include "Engine/Engine/CommandLine.h"
+#include "Engine/Engine/Engine.h"
 
 #include <SDL3/SDL_hints.h>
 #include <SDL3/SDL_init.h>
@@ -199,6 +200,15 @@ void SDLPlatform::Tick()
 
 bool SDLPlatform::HandleEvent(SDL_Event& event)
 {
+    switch (event.type)
+    {
+    case SDL_EVENT_QUIT:
+    {
+        // Close request came from taskbar or macOS application menu
+        Engine::MainWindow->Close(ClosingReason::User);
+        break;
+    }
+    }
     return true;
 }
 

Source/Engine/Platform/SDL/SDLWindow.cpp

@@ -18,7 +18,7 @@
 #include "Engine/Input/Mouse.h"
 #include "Engine/Platform/FileSystem.h"
 #include "Engine/Platform/WindowsManager.h"
-#if PLATFORM_LINUX
+#if PLATFORM_LINUX || PLATFORM_MAC
 #define COMPILE_WITH_TEXTURE_TOOL 1 // FIXME
 #include "Engine/Tools/TextureTool/TextureTool.h"
 #endif
@@ -38,6 +38,7 @@
 #include "Engine/Platform/Linux/IncludeX11.h"
 #elif PLATFORM_MAC
 #include <Cocoa/Cocoa.h>
+#include <UniformTypeIdentifiers/UniformTypeIdentifiers.h>
 #elif PLATFORM_WEB
 #else
 static_assert(false, "Unsupported Platform");
@@ -226,7 +227,7 @@ SDLWindow::SDLWindow(const CreateWindowSettings& settings)
         NSWindow* win = ((NSWindow*)_handle);
         NSView* view = win.contentView;
         [win unregisterDraggedTypes];
-        [win registerForDraggedTypes:@[NSPasteboardTypeFileURL, NSPasteboardTypeString, (NSString*)kUTTypeFileURL, (NSString*)kUTTypeUTF8PlainText]];
+        [win registerForDraggedTypes:@[NSPasteboardTypeFileURL, NSPasteboardTypeString, UTTypeFileURL.identifier, UTTypeUTF8PlainText.identifier]];
 #endif
     }
 #endif
@@ -243,7 +244,7 @@ SDLWindow::SDLWindow(const CreateWindowSettings& settings)
         SDL_StartTextInput(_window);
 #endif
 
-#if PLATFORM_LINUX && COMPILE_WITH_TEXTURE_TOOL
+#if (PLATFORM_LINUX || PLATFORM_MAC) && COMPILE_WITH_TEXTURE_TOOL
     // Ensure windows other than the main window have some kind of icon
     static SDL_Surface* surface = nullptr;
     static Array<Color32> colorData;
@@ -294,8 +295,13 @@ SDLWindow::~SDLWindow()
 
     if (Input::Mouse != nullptr && Input::Mouse->IsRelative(this))
         Input::Mouse->SetRelativeMode(false, this);
-    
-    SDL_StopTextInput(_window);
+
+    // The text input events seems to be controlled globally on macOS,
+    // calling this for closing window seems to remove keyboard focus from other windows...
+#if !PLATFORM_MAC
+    if (_settings.AllowInput && SDL_TextInputActive(_window))
+        SDL_StopTextInput(_window);
+#endif
     SDL_DestroyWindow(_window);
 
     _window = nullptr;
@@ -346,6 +352,20 @@ SDL_HitTestResult OnWindowHitTest(SDL_Window* win, const SDL_Point* area, void*
     SDLWindow* window = static_cast<SDLWindow*>(data);
     const Float2 point(static_cast<float>(area->x), static_cast<float>(area->y));
     WindowHitCodes hit = window->OnWindowHit(point);
+
+#if PLATFORM_MAC
+    // HACK: Motion events are missing over special areas, try to track the mouse with hit test
+    Float2 mousePositionScreen;
+    if (hit != WindowHitCodes::Client && SDL_GetGlobalMouseState(&mousePositionScreen.X, &mousePositionScreen.Y) == 0)
+    {
+        const Float2 hitPositionScreen = window->ClientToScreen(point);
+
+        // The hit tests does not always follow mouse, so only report tests close to mouse
+        if (Float2::Distance(hitPositionScreen, mousePositionScreen) <= 3)
+            Input::Mouse->OnMouseMove(hitPositionScreen, window);
+    }
+#endif
+
     switch (hit)
     {
     case WindowHitCodes::Caption:

Source/FlaxEditor.Build.cs

@@ -71,6 +71,8 @@ public class FlaxEditor : EngineTarget
             break;
         case TargetPlatform.Mac:
             options.OutputFolder = Path.Combine(options.WorkingDirectory, "Binaries", "Editor", "Mac", options.Configuration.ToString());
+            if (EngineConfiguration.WithSDL(options))
+                options.DependencyFiles.Add(Path.Combine(Globals.EngineRoot, "Source", "Logo.png"));
             break;
         default: throw new InvalidPlatformException(options.Platform.Target, "Not supported Editor platform.");
         }

Source/ThirdParty/SDL/LICENSE.txt

@@ -1,4 +1,4 @@
-Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -20,7 +20,7 @@
 */
 
 /**
- * Main include header for the SDL library, version 3.4.0
+ * Main include header for the SDL library, version 3.4.4
  *
  * It is almost always best to include just this one header instead of
  * picking out individual headers included here. There are exceptions to

Source/ThirdParty/SDL/SDL3/SDL_assert.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -136,7 +136,7 @@ extern "C" {
     #define SDL_TriggerBreakpoint() __builtin_debugtrap()
 #elif SDL_HAS_BUILTIN(__builtin_trap)
     #define SDL_TriggerBreakpoint() __builtin_trap()
-#elif (defined(__GNUC__) || defined(__clang__) || defined(__TINYC__)) && (defined(__i386__) || defined(__x86_64__))
+#elif (defined(__GNUC__) || defined(__clang__) || defined(__TINYC__) || defined(__slimcc__)) && (defined(__i386__) || defined(__x86_64__))
     #define SDL_TriggerBreakpoint() __asm__ __volatile__ ( "int $3\n\t" )
 #elif (defined(__GNUC__) || defined(__clang__)) && defined(__riscv)
     #define SDL_TriggerBreakpoint() __asm__ __volatile__ ( "ebreak\n\t" )
@@ -160,7 +160,7 @@ extern "C" {
 #ifdef SDL_WIKI_DOCUMENTATION_SECTION
 
 /**
- * A macro that reports the current function being compiled.
+ * A constant that contains the current function being compiled.
  *
  * If SDL can't figure how the compiler reports this, it will use "???".
  *
@@ -168,13 +168,15 @@ extern "C" {
  */
 #define SDL_FUNCTION __FUNCTION__
 
-#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 supports __func__ as a standard. */
+#elif !defined(SDL_FUNCTION)
+#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 supports __func__ as a standard. */
 #   define SDL_FUNCTION __func__
 #elif ((defined(__GNUC__) && (__GNUC__ >= 2)) || defined(_MSC_VER) || defined (__WATCOMC__))
 #   define SDL_FUNCTION __FUNCTION__
 #else
 #   define SDL_FUNCTION "???"
 #endif
+#endif
 
 #ifdef SDL_WIKI_DOCUMENTATION_SECTION
 

Source/ThirdParty/SDL/SDL3/SDL_asyncio.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -213,6 +213,8 @@ typedef struct SDL_AsyncIOQueue SDL_AsyncIOQueue;
  * \returns a pointer to the SDL_AsyncIO structure that is created or NULL on
  *          failure; call SDL_GetError() for more information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_CloseAsyncIO
@@ -531,6 +533,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_SignalAsyncIOQueue(SDL_AsyncIOQueue *queue)
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_LoadFile_IO

Source/ThirdParty/SDL/SDL3/SDL_atomic.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_audio.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -1349,7 +1349,7 @@ extern SDL_DECLSPEC int * SDLCALL SDL_GetAudioStreamOutputChannelMap(SDL_AudioSt
  *
  * \since This function is available since SDL 3.2.0.
  *
- * \sa SDL_SetAudioStreamInputChannelMap
+ * \sa SDL_SetAudioStreamOutputChannelMap
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_SetAudioStreamInputChannelMap(SDL_AudioStream *stream, const int *chmap, int count);
 

Source/ThirdParty/SDL/SDL3/SDL_begin_code.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -469,7 +469,7 @@
 #define NULL ((void *)0)
 #endif
 #endif /* NULL */
-#endif /* ! macOS - breaks precompiled headers */
+#endif /* __MACH__ */
 
 #ifndef SDL_FALLTHROUGH
 #if (defined(__cplusplus) && __cplusplus >= 201703L) || \

Source/ThirdParty/SDL/SDL3/SDL_bits.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -48,8 +48,7 @@ extern __inline int _SDL_bsr_watcom(Uint32);
 /**
  * Get the index of the most significant (set) bit in a 32-bit number.
  *
- * Result is undefined when called with 0. This operation can also be stated
- * as "count leading zeroes" and "log base 2".
+ * This operation can also be stated as "count leading zeroes" and "log base 2".
  *
  * Note that this is a forced-inline function in a header, and not a public
  * API function available in the SDL library (which is to say, the code is

Source/ThirdParty/SDL/SDL3/SDL_blendmode.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_camera.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_clipboard.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_close_code.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_copying.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_cpuinfo.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_dialog.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_dlopennote.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_egl.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_endian.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -46,7 +46,7 @@
 #if defined(_MSC_VER) && (_MSC_VER >= 1400)
 /* As of Clang 11, '_m_prefetchw' is conflicting with the winnt.h's version,
    so we define the needed '_m_prefetch' here as a pseudo-header, until the issue is fixed. */
-#if defined(__clang__) &&  !SDL_HAS_BUILTIN(_m_prefetch)
+#if defined(__clang__) && !SDL_HAS_BUILTIN(_m_prefetch)
 #ifndef __PRFCHWINTRIN_H
 #define __PRFCHWINTRIN_H
 static __inline__ void __attribute__((__always_inline__, __nodebug__))
@@ -208,7 +208,7 @@ _m_prefetch(void *__P)
 #else
 /* By default, assume that floats words follow the memory system mode. */
 #define SDL_FLOATWORDORDER   SDL_BYTEORDER
-#endif /* __FLOAT_WORD_ORDER__ */
+#endif /* SDL_WIKI_DOCUMENTATION_SECTION */
 #endif /* !SDL_FLOATWORDORDER */
 
 

Source/ThirdParty/SDL/SDL3/SDL_error.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_events.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -1256,15 +1256,13 @@ extern SDL_DECLSPEC void SDLCALL SDL_FlushEvents(Uint32 minType, Uint32 maxType)
  * Poll for currently pending events.
  *
  * If `event` is not NULL, the next event is removed from the queue and stored
- * in the SDL_Event structure pointed to by `event`. The 1 returned refers to
- * this event, immediately stored in the SDL Event structure -- not an event
- * to follow.
+ * in the SDL_Event structure pointed to by `event`.
  *
- * If `event` is NULL, it simply returns 1 if there is an event in the queue,
- * but will not remove it from the queue.
+ * If `event` is NULL, it simply returns true if there is an event in the
+ * queue, but will not remove it from the queue.
  *
  * As this function may implicitly call SDL_PumpEvents(), you can only call
- * this function in the thread that set the video mode.
+ * this function in the thread that initialized the video subsystem.
  *
  * SDL_PollEvent() is the favored way of receiving system events since it can
  * be done from the main loop and does not suspend the main loop while waiting

Source/ThirdParty/SDL/SDL3/SDL_filesystem.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -241,9 +241,8 @@ extern SDL_DECLSPEC const char * SDLCALL SDL_GetUserFolder(SDL_Folder folder);
 /**
  * Types of filesystem entries.
  *
- * Note that there may be other sorts of items on a filesystem: devices,
- * symlinks, named pipes, etc. They are currently reported as
- * SDL_PATHTYPE_OTHER.
+ * Note that there may be other sorts of items on a filesystem: devices, named
+ * pipes, etc. They are currently reported as SDL_PATHTYPE_OTHER.
  *
  * \since This enum is available since SDL 3.2.0.
  *
@@ -457,6 +456,10 @@ extern SDL_DECLSPEC bool SDLCALL SDL_CopyFile(const char *oldpath, const char *n
 /**
  * Get information about a filesystem path.
  *
+ * Symlinks, on filesystems that support them, are always followed, so you
+ * will always get information on what the symlink eventually points to, and
+ * not the symlink itself.
+ *
  * \param path the path to query.
  * \param info a pointer filled in with information about the path, or NULL to
  *             check for the existence of a file.

Source/ThirdParty/SDL/SDL3/SDL_gamepad.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_gpu.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -1398,11 +1398,12 @@ typedef struct SDL_GPUViewport
  * SDL_DownloadFromGPUTexture are used as default values respectively and data
  * is considered to be tightly packed.
  *
- * **WARNING**: Direct3D 12 requires texture data row pitch to be 256 byte
- * aligned, and offsets to be aligned to 512 bytes. If they are not, SDL will
- * make a temporary copy of the data that is properly aligned, but this adds
- * overhead to the transfer process. Apps can avoid this by aligning their
- * data appropriately, or using a different GPU backend than Direct3D 12.
+ * **WARNING**: On some older/integrated hardware, Direct3D 12 requires
+ * texture data row pitch to be 256 byte aligned, and offsets to be aligned to
+ * 512 bytes. If they are not, SDL will make a temporary copy of the data that
+ * is properly aligned, but this adds overhead to the transfer process. Apps
+ * can avoid this by aligning their data appropriately, or using a different
+ * GPU backend than Direct3D 12.
  *
  * \since This struct is available since SDL 3.2.0.
  *
@@ -2306,6 +2307,21 @@ extern SDL_DECLSPEC SDL_GPUDevice * SDLCALL SDL_CreateGPUDevice(
  *   useful for targeting Intel Haswell and Broadwell GPUs; other hardware
  *   either supports Tier 2 Resource Binding or does not support D3D12 in any
  *   capacity. Defaults to false.
+ * - `SDL_PROP_GPU_DEVICE_CREATE_D3D12_AGILITY_SDK_VERSION_NUMBER`: Certain
+ *   feature checks are only possible on Windows 11 by default. By setting
+ *   this alongside `SDL_PROP_GPU_DEVICE_CREATE_D3D12_AGILITY_SDK_PATH_STRING`
+ *   and vendoring D3D12Core.dll from the D3D12 Agility SDK, you can make
+ *   those feature checks possible on older platforms. The version you provide
+ *   must match the one given in the DLL.
+ * - `SDL_PROP_GPU_DEVICE_CREATE_D3D12_AGILITY_SDK_PATH_STRING`: Certain
+ *   feature checks are only possible on Windows 11 by default. By setting
+ *   this alongside
+ *   `SDL_PROP_GPU_DEVICE_CREATE_D3D12_AGILITY_SDK_VERSION_NUMBER` and
+ *   vendoring D3D12Core.dll from the D3D12 Agility SDK, you can make those
+ *   feature checks possible on older platforms. The path you provide must be
+ *   relative to the executable path of your app. Be sure not to put the DLL
+ *   in the same directory as the exe; Microsoft strongly advises against
+ *   this!
  *
  * With the Vulkan backend:
  *
@@ -2321,6 +2337,15 @@ extern SDL_DECLSPEC SDL_GPUDevice * SDLCALL SDL_CreateGPUDevice(
  *   increasing the API version and opting into extensions aside from the
  *   minimal set SDL requires.
  *
+ * With the Metal backend: -
+ * `SDL_PROP_GPU_DEVICE_CREATE_METAL_ALLOW_MACFAMILY1_BOOLEAN`: By default,
+ * macOS support requires what Apple calls "MTLGPUFamilyMac2" hardware or
+ * newer. However, an application can set this property to true to enable
+ * support for "MTLGPUFamilyMac1" hardware, if (and only if) the application
+ * does not write to sRGB textures. (For history's sake: MacFamily1 also does
+ * not support indirect command buffers, MSAA depth resolve, and stencil
+ * resolve/feedback, but these are not exposed features in SDL_GPU.)
+ *
  * \param props the properties to use.
  * \returns a GPU context on success or NULL on failure; call SDL_GetError()
  *          for more information.
@@ -2351,8 +2376,11 @@ extern SDL_DECLSPEC SDL_GPUDevice * SDLCALL SDL_CreateGPUDeviceWithProperties(
 #define SDL_PROP_GPU_DEVICE_CREATE_SHADERS_METALLIB_BOOLEAN                     "SDL.gpu.device.create.shaders.metallib"
 #define SDL_PROP_GPU_DEVICE_CREATE_D3D12_ALLOW_FEWER_RESOURCE_SLOTS_BOOLEAN     "SDL.gpu.device.create.d3d12.allowtier1resourcebinding"
 #define SDL_PROP_GPU_DEVICE_CREATE_D3D12_SEMANTIC_NAME_STRING                   "SDL.gpu.device.create.d3d12.semantic"
-#define SDL_PROP_GPU_DEVICE_CREATE_VULKAN_REQUIRE_HARDWARE_ACCELERATION_BOOLEAN         "SDL.gpu.device.create.vulkan.requirehardwareacceleration"
+#define SDL_PROP_GPU_DEVICE_CREATE_D3D12_AGILITY_SDK_VERSION_NUMBER             "SDL.gpu.device.create.d3d12.agility_sdk_version"
+#define SDL_PROP_GPU_DEVICE_CREATE_D3D12_AGILITY_SDK_PATH_STRING                "SDL.gpu.device.create.d3d12.agility_sdk_path"
+#define SDL_PROP_GPU_DEVICE_CREATE_VULKAN_REQUIRE_HARDWARE_ACCELERATION_BOOLEAN "SDL.gpu.device.create.vulkan.requirehardwareacceleration"
 #define SDL_PROP_GPU_DEVICE_CREATE_VULKAN_OPTIONS_POINTER                       "SDL.gpu.device.create.vulkan.options"
+#define SDL_PROP_GPU_DEVICE_CREATE_METAL_ALLOW_MACFAMILY1_BOOLEAN               "SDL.gpu.device.create.metal.allowmacfamily1"
 
 
 /**

Source/ThirdParty/SDL/SDL3/SDL_guid.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_haptic.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -1392,7 +1392,7 @@ extern SDL_DECLSPEC bool SDLCALL SDL_ResumeHaptic(SDL_Haptic *haptic);
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_RunHapticEffect
- * \sa SDL_StopHapticEffects
+ * \sa SDL_StopHapticEffect
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_StopHapticEffects(SDL_Haptic *haptic);
 

Source/ThirdParty/SDL/SDL3/SDL_hidapi.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_hints.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -402,6 +402,11 @@ extern "C" {
  * - "Movie" - Music or sound with dialog
  * - "Media" - Music or sound without dialog
  *
+ * Android's AAudio target supports this hint as of SDL 3.4.4. Android does
+ * not support the exact same options as WASAPI, but for portability, will
+ * attempt to map these same strings to the `aaudio_usage_t` constants. For
+ * example, "Movie" and "Media" will both map to `AAUDIO_USAGE_MEDIA`, etc.
+ *
  * If your application applies its own echo cancellation, gain control, and
  * noise reduction it should also set SDL_HINT_AUDIO_DEVICE_RAW_STREAM.
  *
@@ -1095,7 +1100,7 @@ extern "C" {
  *
  * This hint should be set before SDL is initialized.
  *
- * \since This hint is available since SDL 3.2.0.
+ * \since This hint is available since SDL 3.4.0.
  */
 #define SDL_HINT_HIDAPI_LIBUSB_GAMECUBE "SDL_HIDAPI_LIBUSB_GAMECUBE"
 
@@ -1407,6 +1412,26 @@ extern "C" {
  */
 #define SDL_HINT_JOYSTICK_GAMEINPUT "SDL_JOYSTICK_GAMEINPUT"
 
+/**
+ * A variable controlling whether GameInput should be used for handling 
+ * GIP devices that require raw report processing, but aren't supported 
+ * by HIDRAW, such as Xbox One Guitars.
+ * 
+ * Note that this is only supported with GameInput 3 or newer.
+ *
+ * The variable can be set to the following values:
+ *
+ * - "0": GameInput is not used to handle raw GIP devices.
+ * - "1": GameInput is used.
+ *
+ * The default is "1" when using GameInput 3 or newer, and is "0" otherwise.
+ *
+ * This hint should be set before SDL is initialized.
+ *
+ * \since This hint is available since SDL 3.4.4.
+ */
+#define SDL_HINT_JOYSTICK_GAMEINPUT_RAW "SDL_JOYSTICK_GAMEINPUT_RAW"
+
 /**
  * A variable containing a list of devices known to have a GameCube form
  * factor.
@@ -1778,10 +1803,16 @@ extern "C" {
  * A variable controlling whether the HIDAPI driver for HORI licensed Steam
  * controllers should be used.
  *
- * This variable can be set to the following values: "0" - HIDAPI driver is
- * not used "1" - HIDAPI driver is used
+ * The variable can be set to the following values:
  *
- * The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ * - "0": HIDAPI driver is not used.
+ * - "1": HIDAPI driver is used.
+ *
+ * The default is the value of SDL_HINT_JOYSTICK_HIDAPI.
+ *
+ * This hint should be set before initializing joysticks and gamepads.
+ *
+ * \since This hint is available since SDL 3.2.0.
  */
 #define SDL_HINT_JOYSTICK_HIDAPI_STEAM_HORI "SDL_JOYSTICK_HIDAPI_STEAM_HORI"
 
@@ -1789,12 +1820,16 @@ extern "C" {
  * A variable controlling whether the HIDAPI driver for some Logitech wheels
  * should be used.
  *
- * This variable can be set to the following values:
+ * The variable can be set to the following values:
  *
- * - "0": HIDAPI driver is not used
- * - "1": HIDAPI driver is used
+ * - "0": HIDAPI driver is not used.
+ * - "1": HIDAPI driver is used.
  *
- * The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ * The default is the value of SDL_HINT_JOYSTICK_HIDAPI.
+ *
+ * This hint should be set before initializing joysticks and gamepads.
+ *
+ * \since This hint is available since SDL 3.4.0.
  */
 #define SDL_HINT_JOYSTICK_HIDAPI_LG4FF "SDL_JOYSTICK_HIDAPI_LG4FF"
 
@@ -1802,11 +1837,16 @@ extern "C" {
  * A variable controlling whether the HIDAPI driver for 8BitDo controllers
  * should be used.
  *
- * This variable can be set to the following values:
+ * The variable can be set to the following values:
  *
- * "0" - HIDAPI driver is not used. "1" - HIDAPI driver is used.
+ * - "0": HIDAPI driver is not used.
+ * - "1": HIDAPI driver is used.
  *
- * The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ * The default is the value of SDL_HINT_JOYSTICK_HIDAPI.
+ *
+ * This hint should be set before initializing joysticks and gamepads.
+ *
+ * \since This hint is available since SDL 3.4.0.
  */
 #define SDL_HINT_JOYSTICK_HIDAPI_8BITDO "SDL_JOYSTICK_HIDAPI_8BITDO"
 
@@ -1816,11 +1856,16 @@ extern "C" {
  *
  * More info - https://github.com/HandHeldLegend/SInput-HID
  *
- * This variable can be set to the following values:
+ * The variable can be set to the following values:
  *
- * "0" - HIDAPI driver is not used. "1" - HIDAPI driver is used.
+ * - "0": HIDAPI driver is not used.
+ * - "1": HIDAPI driver is used.
  *
- * The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ * The default is the value of SDL_HINT_JOYSTICK_HIDAPI.
+ *
+ * This hint should be set before initializing joysticks and gamepads.
+ *
+ * \since This hint is available since SDL 3.4.0.
  */
 #define SDL_HINT_JOYSTICK_HIDAPI_SINPUT "SDL_JOYSTICK_HIDAPI_SINPUT"
 
@@ -1828,11 +1873,16 @@ extern "C" {
  * A variable controlling whether the HIDAPI driver for ZUIKI controllers
  * should be used.
  *
- * This variable can be set to the following values:
+ * The variable can be set to the following values:
  *
- * "0" - HIDAPI driver is not used. "1" - HIDAPI driver is used.
+ * - "0": HIDAPI driver is not used.
+ * - "1": HIDAPI driver is used.
  *
- * The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ * The default is the value of SDL_HINT_JOYSTICK_HIDAPI.
+ *
+ * This hint should be set before initializing joysticks and gamepads.
+ *
+ * \since This hint is available since SDL 3.4.0.
  */
 #define SDL_HINT_JOYSTICK_HIDAPI_ZUIKI "SDL_JOYSTICK_HIDAPI_ZUIKI"
 
@@ -1840,11 +1890,16 @@ extern "C" {
  * A variable controlling whether the HIDAPI driver for Flydigi controllers
  * should be used.
  *
- * This variable can be set to the following values:
+ * The variable can be set to the following values:
  *
- * "0" - HIDAPI driver is not used. "1" - HIDAPI driver is used.
+ * - "0": HIDAPI driver is not used.
+ * - "1": HIDAPI driver is used.
  *
- * The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ * The default is the value of SDL_HINT_JOYSTICK_HIDAPI.
+ *
+ * This hint should be set before initializing joysticks and gamepads.
+ *
+ * \since This hint is available since SDL 3.4.0.
  */
 #define SDL_HINT_JOYSTICK_HIDAPI_FLYDIGI "SDL_JOYSTICK_HIDAPI_FLYDIGI"
 
@@ -2619,8 +2674,8 @@ extern "C" {
  *
  * The variable can be set to the following values:
  *
- * - "0": Holding a key will open the accents menu for that key.
- * - "1": Holding a key will repeat the pressed key. (default)
+ * - "0": Holding a key will repeat the pressed key.
+ * - "1": Holding a key will open the accents menu for that key. (default)
  *
  * This hint needs to be set before SDL_Init().
  *
@@ -2976,6 +3031,46 @@ extern "C" {
  */
 #define SDL_HINT_OPENGL_ES_DRIVER "SDL_OPENGL_ES_DRIVER"
 
+/**
+ * A variable controlling whether to force an sRGB-capable OpenGL context.
+ *
+ * At OpenGL context creation time, some platforms can request an sRGB-capable
+ * context. However, sometimes any form of the request can cause surprising
+ * results on some drivers, platforms, and hardware. Usually the surprise is
+ * in the form of rendering that is either a little darker or a little
+ * brighter than intended.
+ *
+ * This hint allows the user to override the app's sRGB requests and either
+ * force a specific value, or avoid requesting anything at all, depending on
+ * what makes things work correctly for their system.
+ *
+ * This is meant as a fail-safe; apps should probably not explicitly set this,
+ * and most users should not, either.
+ *
+ * Note that some platforms cannot make this request at all, and on all
+ * platforms this request can be denied by the operating system.
+ *
+ * In addition to attempting to obtain the type of sRGB-capable OpenGL context
+ * requested by this hint, SDL will try to force the state of
+ * GL_FRAMEBUFFER_SRGB on the new context, if appropriate.
+ *
+ * The variable can be set to the following values:
+ *
+ * - "0": Force a request for an OpenGL context that is _not_ sRGB-capable.
+ * - "1": Force a request for an OpenGL context that _is_ sRGB-capable.
+ * - "skip": Don't make any request for an sRGB-capable context (don't specify
+ *   the attribute at all during context creation time).
+ * - any other string is undefined behavior.
+ *
+ * If unset, or set to an empty string, SDL will make a request using the
+ * value the app specified with the SDL_GL_FRAMEBUFFER_SRGB_CAPABLE attribute.
+ *
+ * This hint should be set before an OpenGL context is created.
+ *
+ * \since This hint is available since SDL 3.4.2.
+ */
+#define SDL_HINT_OPENGL_FORCE_SRGB_FRAMEBUFFER "SDL_OPENGL_FORCE_SRGB_FRAMEBUFFER"
+
 /**
  * Mechanism to specify openvr_api library location
  *
@@ -3300,33 +3395,45 @@ extern "C" {
 #define SDL_HINT_ROG_GAMEPAD_MICE_EXCLUDED "SDL_ROG_GAMEPAD_MICE_EXCLUDED"
 
 /**
- * Variable controlling the width of the PS2's framebuffer in pixels
+ * A variable controlling the width of the PS2's framebuffer in pixels.
  *
- * By default, this variable is "640"
+ * By default, the variable is "640".
+ *
+ * \since This hint is available since SDL 3.4.0.
  */
 #define SDL_HINT_PS2_GS_WIDTH    "SDL_PS2_GS_WIDTH"
 
 /**
- * Variable controlling the height of the PS2's framebuffer in pixels
+ * A variable controlling the height of the PS2's framebuffer in pixels.
  *
- * By default, this variable is "448"
+ * By default, the variable is "448".
+ *
+ * \since This hint is available since SDL 3.4.0.
  */
 #define SDL_HINT_PS2_GS_HEIGHT    "SDL_PS2_GS_HEIGHT"
 
 /**
- * Variable controlling whether the signal is interlaced or progressive
+ * A variable controlling whether the signal is interlaced or progressive.
+ *
+ * The variable can be set to the following values:
  *
  * - "0": Image is interlaced. (default)
- * - "1": Image is progressive
+ * - "1": Image is progressive.
+ *
+ * \since This hint is available since SDL 3.4.0.
  */
 #define SDL_HINT_PS2_GS_PROGRESSIVE    "SDL_PS2_GS_PROGRESSIVE"
 
 /**
- * Variable controlling the video mode of the console
+ * A variable controlling the video mode of the console.
+ *
+ * The variable can be set to the following values:
  *
  * - "": Console-native. (default)
- * - "NTSC": 60hz region
- * - "PAL": 50hz region
+ * - "NTSC": 60hz region.
+ * - "PAL": 50hz region.
+ *
+ * \since This hint is available since SDL 3.4.0.
  */
 #define SDL_HINT_PS2_GS_MODE    "SDL_PS2_GS_MODE"
 
@@ -4436,6 +4543,23 @@ extern "C" {
  */
 #define SDL_HINT_WINDOWS_RAW_KEYBOARD_EXCLUDE_HOTKEYS "SDL_WINDOWS_RAW_KEYBOARD_EXCLUDE_HOTKEYS"
 
+/**
+ * A variable controlling whether the RIDEV_INPUTSINK flag is set when
+ * enabling Windows raw keyboard events.
+ *
+ * This enables the window to still receive input even if not in foreground.
+ *
+ * Focused windows that receive text input will still prevent input events from triggering.
+ *
+ * - "0": Input is not received when not in focus or foreground. (default)
+ * - "1": Input will be received even when not in focus or foreground.
+ *
+ * This hint can be set anytime.
+ *
+ * \since This hint is available since SDL 3.4.4.
+ */
+#define SDL_HINT_WINDOWS_RAW_KEYBOARD_INPUTSINK "SDL_WINDOWS_RAW_KEYBOARD_INPUTSINK"
+
 /**
  * A variable controlling whether SDL uses Kernel Semaphores on Windows.
  *
@@ -4766,7 +4890,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_GetHintBoolean(const char *name, bool defau
  * A callback used to send notifications of hint value changes.
  *
  * This is called an initial time during SDL_AddHintCallback with the hint's
- * current value, and then again each time the hint's value changes.
+ * current value, and then again each time the hint's value changes. In the
+ * initial call, the current value is in both `oldValue` and `newValue`.
  *
  * \param userdata what was passed as `userdata` to SDL_AddHintCallback().
  * \param name what was passed as `name` to SDL_AddHintCallback().

Source/ThirdParty/SDL/SDL3/SDL_init.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -224,6 +224,8 @@ typedef void (SDLCALL *SDL_AppQuit_func)(void *appstate, SDL_AppResult result);
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_SetAppMetadata
@@ -244,6 +246,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_Init(SDL_InitFlags flags);
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_Init
@@ -260,6 +264,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_InitSubSystem(SDL_InitFlags flags);
  *
  * \param flags any of the flags used by SDL_Init(); see SDL_Init for details.
  *
+ * \threadsafety This function is not thread safe.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_InitSubSystem
@@ -274,6 +280,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_QuitSubSystem(SDL_InitFlags flags);
  * \returns a mask of all initialized subsystems if `flags` is 0, otherwise it
  *          returns the initialization status of the specified subsystems.
  *
+ * \threadsafety This function is not thread safe.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_Init
@@ -292,6 +300,8 @@ extern SDL_DECLSPEC SDL_InitFlags SDLCALL SDL_WasInit(SDL_InitFlags flags);
  * application is shutdown, but it is not wise to do this from a library or
  * other dynamically loaded code.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_Init

Source/ThirdParty/SDL/SDL3/SDL_intrin.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -217,9 +217,9 @@
 /* Need to do this here because intrin.h has C++ code in it */
 /* Visual Studio 2005 has a bug where intrin.h conflicts with winnt.h */
 #if defined(_MSC_VER) && (_MSC_VER >= 1500) && (defined(_M_IX86) || defined(_M_X64))
-#ifdef __clang__
 /* As of Clang 11, '_m_prefetchw' is conflicting with the winnt.h's version,
    so we define the needed '_m_prefetch' here as a pseudo-header, until the issue is fixed. */
+#if defined(__clang__) && !SDL_HAS_BUILTIN(_m_prefetch)
 #ifndef __PRFCHWINTRIN_H
 #define __PRFCHWINTRIN_H
 static __inline__ void __attribute__((__always_inline__, __nodebug__))

Source/ThirdParty/SDL/SDL3/SDL_iostream.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_joystick.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_keyboard.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_keycode.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_loadso.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_locale.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -102,6 +102,8 @@ typedef struct SDL_Locale
  *          allocation that should be freed with SDL_free() when it is no
  *          longer needed.
  *
+ * \threadsafety This function is not thread safe.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC SDL_Locale ** SDLCALL SDL_GetPreferredLocales(int *count);

Source/ThirdParty/SDL/SDL3/SDL_log.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -487,7 +487,8 @@ typedef void (SDLCALL *SDL_LogOutputFunction)(void *userdata, int category, SDL_
 /**
  * Get the default log output function.
  *
- * \returns the default log output callback.
+ * \returns the default log output callback. It should be called with NULL for
+ *          the userdata argument.
  *
  * \threadsafety It is safe to call this function from any thread.
  *

Source/ThirdParty/SDL/SDL3/SDL_main.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -257,7 +257,7 @@
 #else
 /* usually this is empty */
 #define SDLMAIN_DECLSPEC
-#endif /* SDL_MAIN_EXPORTED */
+#endif /* SDL_WIKI_DOCUMENTATION_SECTION */
 
 #if defined(SDL_MAIN_NEEDED) || defined(SDL_MAIN_AVAILABLE) || defined(SDL_MAIN_USE_CALLBACKS)
 #define main SDL_main
@@ -333,6 +333,9 @@ extern "C" {
  * \returns SDL_APP_FAILURE to terminate with an error, SDL_APP_SUCCESS to
  *          terminate with success, SDL_APP_CONTINUE to continue.
  *
+ * \threadsafety This function is called once by SDL, at startup, on a single
+ *               thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_AppIterate
@@ -537,6 +540,8 @@ extern SDLMAIN_DECLSPEC int SDLCALL SDL_main(int argc, char *argv[]);
  * will not be changed it is necessary to define SDL_MAIN_HANDLED before
  * including SDL.h.
  *
+ * \threadsafety This function is not thread safe.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_Init
@@ -629,6 +634,8 @@ extern SDL_DECLSPEC int SDLCALL SDL_EnterAppMainCallbacks(int argc, char *argv[]
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety This function is not thread safe.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_RegisterApp(const char *name, Uint32 style, void *hInst);
@@ -646,6 +653,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_RegisterApp(const char *name, Uint32 style,
  * deregistered when the registration counter in SDL_RegisterApp decrements to
  * zero through calls to this function.
  *
+ * \threadsafety This function is not thread safe.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC void SDLCALL SDL_UnregisterApp(void);
@@ -655,10 +664,26 @@ extern SDL_DECLSPEC void SDLCALL SDL_UnregisterApp(void);
 /**
  * Callback from the application to let the suspend continue.
  *
+ * This should be called from an event watch in response to an
+ * `SDL_EVENT_DID_ENTER_BACKGROUND` event.
+ *
+ * When using SDL_Render, your event watch should be added _after_ creating
+ * the `SDL_Renderer`; this allows the timing of the D3D12 command queue
+ * suspension to execute in the correct order.
+ *
+ * When using SDL_GPU, this should be called after calling SDL_GDKSuspendGPU.
+ *
+ * If you're writing your own D3D12 renderer, this should be called after
+ * calling `ID3D12CommandQueue::SuspendX`.
+ *
  * This function is only needed for Xbox GDK support; all other platforms will
  * do nothing and set an "unsupported" error message.
  *
+ * \threadsafety This function is not thread safe.
+ *
  * \since This function is available since SDL 3.2.0.
+ *
+ * \sa SDL_AddEventWatch
  */
 extern SDL_DECLSPEC void SDLCALL SDL_GDKSuspendComplete(void);
 

Source/ThirdParty/SDL/SDL3/SDL_main_impl.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_messagebox.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -168,6 +168,8 @@ typedef struct SDL_MessageBoxData
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_ShowSimpleMessageBox
@@ -210,6 +212,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_ShowMessageBox(const SDL_MessageBoxData *me
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_ShowMessageBox

Source/ThirdParty/SDL/SDL3/SDL_metal.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -65,6 +65,8 @@ typedef void *SDL_MetalView;
  * \param window the window.
  * \returns handle NSView or UIView.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_Metal_DestroyView
@@ -80,6 +82,8 @@ extern SDL_DECLSPEC SDL_MetalView SDLCALL SDL_Metal_CreateView(SDL_Window *windo
  *
  * \param view the SDL_MetalView object.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_Metal_CreateView
@@ -92,6 +96,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_Metal_DestroyView(SDL_MetalView view);
  * \param view the SDL_MetalView object.
  * \returns a pointer.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC void * SDLCALL SDL_Metal_GetLayer(SDL_MetalView view);

Source/ThirdParty/SDL/SDL3/SDL_misc.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -65,6 +65,8 @@ extern "C" {
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_OpenURL(const char *url);

Source/ThirdParty/SDL/SDL3/SDL_mouse.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_mutex.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -308,6 +308,8 @@ typedef struct SDL_Mutex SDL_Mutex;
  * \returns the initialized and unlocked mutex or NULL on failure; call
  *          SDL_GetError() for more information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_DestroyMutex
@@ -334,6 +336,8 @@ extern SDL_DECLSPEC SDL_Mutex * SDLCALL SDL_CreateMutex(void);
  *
  * \param mutex the mutex to lock.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_TryLockMutex
@@ -355,6 +359,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_LockMutex(SDL_Mutex *mutex) SDL_ACQUIRE(mut
  * \param mutex the mutex to try to lock.
  * \returns true on success, false if the mutex would block.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_LockMutex
@@ -374,6 +380,9 @@ extern SDL_DECLSPEC bool SDLCALL SDL_TryLockMutex(SDL_Mutex *mutex) SDL_TRY_ACQU
  *
  * \param mutex the mutex to unlock.
  *
+ * \threadsafety This call must be paired with a previous locking call on the
+ *               same thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_LockMutex
@@ -392,6 +401,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_UnlockMutex(SDL_Mutex *mutex) SDL_RELEASE(m
  *
  * \param mutex the mutex to destroy.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_CreateMutex
@@ -457,6 +468,8 @@ typedef struct SDL_RWLock SDL_RWLock;
  * \returns the initialized and unlocked read/write lock or NULL on failure;
  *          call SDL_GetError() for more information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_DestroyRWLock
@@ -497,6 +510,8 @@ extern SDL_DECLSPEC SDL_RWLock * SDLCALL SDL_CreateRWLock(void);
  *
  * \param rwlock the read/write lock to lock.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_LockRWLockForWriting
@@ -528,6 +543,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_LockRWLockForReading(SDL_RWLock *rwlock) SD
  *
  * \param rwlock the read/write lock to lock.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_LockRWLockForReading
@@ -553,6 +570,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_LockRWLockForWriting(SDL_RWLock *rwlock) SD
  * \param rwlock the rwlock to try to lock.
  * \returns true on success, false if the lock would block.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_LockRWLockForReading
@@ -583,6 +602,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_TryLockRWLockForReading(SDL_RWLock *rwlock)
  * \param rwlock the rwlock to try to lock.
  * \returns true on success, false if the lock would block.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_LockRWLockForWriting
@@ -607,6 +628,9 @@ extern SDL_DECLSPEC bool SDLCALL SDL_TryLockRWLockForWriting(SDL_RWLock *rwlock)
  *
  * \param rwlock the rwlock to unlock.
  *
+ * \threadsafety This call must be paired with a previous locking call on the
+ *               same thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_LockRWLockForReading
@@ -627,6 +651,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_UnlockRWLock(SDL_RWLock *rwlock) SDL_RELEAS
  *
  * \param rwlock the rwlock to destroy.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_CreateRWLock
@@ -670,6 +696,8 @@ typedef struct SDL_Semaphore SDL_Semaphore;
  * \returns a new semaphore or NULL on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_DestroySemaphore
@@ -689,6 +717,8 @@ extern SDL_DECLSPEC SDL_Semaphore * SDLCALL SDL_CreateSemaphore(Uint32 initial_v
  *
  * \param sem the semaphore to destroy.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_CreateSemaphore
@@ -707,6 +737,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_DestroySemaphore(SDL_Semaphore *sem);
  *
  * \param sem the semaphore wait on.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_SignalSemaphore
@@ -726,6 +758,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_WaitSemaphore(SDL_Semaphore *sem);
  * \param sem the semaphore to wait on.
  * \returns true if the wait succeeds, false if the wait would block.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_SignalSemaphore
@@ -746,6 +780,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_TryWaitSemaphore(SDL_Semaphore *sem);
  *                  indefinitely.
  * \returns true if the wait succeeds or false if the wait times out.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_SignalSemaphore
@@ -759,6 +795,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_WaitSemaphoreTimeout(SDL_Semaphore *sem, Si
  *
  * \param sem the semaphore to increment.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_TryWaitSemaphore
@@ -773,6 +811,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_SignalSemaphore(SDL_Semaphore *sem);
  * \param sem the semaphore to query.
  * \returns the current value of the semaphore.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC Uint32 SDLCALL SDL_GetSemaphoreValue(SDL_Semaphore *sem);
@@ -806,6 +846,8 @@ typedef struct SDL_Condition SDL_Condition;
  * \returns a new condition variable or NULL on failure; call SDL_GetError()
  *          for more information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_BroadcastCondition
@@ -821,6 +863,8 @@ extern SDL_DECLSPEC SDL_Condition * SDLCALL SDL_CreateCondition(void);
  *
  * \param cond the condition variable to destroy.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_CreateCondition

Source/ThirdParty/SDL/SDL3/SDL_oldnames.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -796,6 +796,7 @@
 #define SDL_TEXTEDITING_EXT SDL_TEXTEDITING_EXT_renamed_SDL_EVENT_TEXT_EDITING_EXT
 #define SDL_TEXTINPUT SDL_TEXTINPUT_renamed_SDL_EVENT_TEXT_INPUT
 #define SDL_USEREVENT SDL_USEREVENT_renamed_SDL_EVENT_USER
+#define SDL_WINDOWEVENT SDL_WINDOWEVENT_deprecated_use_SDL_EVENT_WINDOW_NAME
 #define SDL_WINDOWEVENT_CLOSE SDL_WINDOWEVENT_CLOSE_renamed_SDL_EVENT_WINDOW_CLOSE_REQUESTED
 #define SDL_WINDOWEVENT_DISPLAY_CHANGED SDL_WINDOWEVENT_DISPLAY_CHANGED_renamed_SDL_EVENT_WINDOW_DISPLAY_CHANGED
 #define SDL_WINDOWEVENT_ENTER SDL_WINDOWEVENT_ENTER_renamed_SDL_EVENT_WINDOW_MOUSE_ENTER
@@ -870,6 +871,7 @@
 #define SDL_GameControllerBindType SDL_GameControllerBindType_renamed_SDL_GamepadBindingType
 #define SDL_GameControllerButton SDL_GameControllerButton_renamed_SDL_GamepadButton
 #define SDL_GameControllerClose SDL_GameControllerClose_renamed_SDL_CloseGamepad
+#define SDL_GameControllerEventState SDL_GameControllerEventState_deprecated_use_SDL_SetGamepadEventsEnabled_true_false
 #define SDL_GameControllerFromInstanceID SDL_GameControllerFromInstanceID_renamed_SDL_GetGamepadFromID
 #define SDL_GameControllerFromPlayerIndex SDL_GameControllerFromPlayerIndex_renamed_SDL_GetGamepadFromPlayerIndex
 #define SDL_GameControllerGetAppleSFSymbolsNameForAxis SDL_GameControllerGetAppleSFSymbolsNameForAxis_renamed_SDL_GetGamepadAppleSFSymbolsNameForAxis
@@ -947,6 +949,7 @@
 
 /* ##SDL_hints.h */
 #define SDL_DelHintCallback SDL_DelHintCallback_renamed_SDL_RemoveHintCallback
+#define SDL_HINT_ACCELEROMETER_AS_JOYSTICK SDL_HINT_ACCELEROMETER_AS_JOYSTICK_deprecated_use_SDL_GamepadHasSensor_and_SDL_SetGamepadSensorEnabled
 #define SDL_HINT_ALLOW_TOPMOST SDL_HINT_ALLOW_TOPMOST_renamed_SDL_HINT_WINDOW_ALLOW_TOPMOST
 #define SDL_HINT_DIRECTINPUT_ENABLED SDL_HINT_DIRECTINPUT_ENABLED_renamed_SDL_HINT_JOYSTICK_DIRECTINPUT
 #define SDL_HINT_GDK_TEXTINPUT_DEFAULT SDL_HINT_GDK_TEXTINPUT_DEFAULT_renamed_SDL_HINT_GDK_TEXTINPUT_DEFAULT_TEXT
@@ -957,6 +960,8 @@
 #define SDL_HINT_LINUX_HAT_DEADZONES SDL_HINT_LINUX_HAT_DEADZONES_renamed_SDL_HINT_JOYSTICK_LINUX_HAT_DEADZONES
 #define SDL_HINT_LINUX_JOYSTICK_CLASSIC SDL_HINT_LINUX_JOYSTICK_CLASSIC_renamed_SDL_HINT_JOYSTICK_LINUX_CLASSIC
 #define SDL_HINT_LINUX_JOYSTICK_DEADZONES SDL_HINT_LINUX_JOYSTICK_DEADZONES_renamed_SDL_HINT_JOYSTICK_LINUX_DEADZONES
+#define SDL_HINT_RENDER_SCALE_QUALITY SDL_HINT_RENDER_SCALE_QUALITY_deprecated_use_SDL_SetTextureScaleMode_with_SDL_SCALEMODE_NEAREST
+#define SDL_HINT_WINDOWS_FORCE_MUTEX_CRITICAL_SECTIONS SDL_HINT_WINDOWS_FORCE_MUTEX_CRITICAL_SECTIONS_deprecated_remove_this_line
 
 /* ##SDL_joystick.h */
 #define SDL_JOYSTICK_TYPE_GAMECONTROLLER SDL_JOYSTICK_TYPE_GAMECONTROLLER_renamed_SDL_JOYSTICK_TYPE_GAMEPAD
@@ -999,6 +1004,7 @@
 #define SDL_JoystickSetVirtualButton SDL_JoystickSetVirtualButton_renamed_SDL_SetJoystickVirtualButton
 #define SDL_JoystickSetVirtualHat SDL_JoystickSetVirtualHat_renamed_SDL_SetJoystickVirtualHat
 #define SDL_JoystickUpdate SDL_JoystickUpdate_renamed_SDL_UpdateJoysticks
+#define SDL_NumJoysticks SDL_NumJoysticks_deprecated_use_SDL_GetJoysticks
 
 /* ##SDL_keyboard.h */
 #define SDL_IsScreenKeyboardShown SDL_IsScreenKeyboardShown_renamed_SDL_ScreenKeyboardShown
@@ -1147,6 +1153,8 @@
 
 /* ##SDL_render.h */
 #define SDL_GetRendererOutputSize SDL_GetRendererOutputSize_renamed_SDL_GetCurrentRenderOutputSize
+#define SDL_RENDERER_ACCELERATED SDL_RENDERER_ACCELERATED_deprecated_remove_this_line
+#define SDL_RENDERER_PRESENTVSYNC SDL_RENDERER_PRESENTVSYNC_deprecated_use_SDL_SetRenderVSync
 #define SDL_RenderCopy SDL_RenderCopy_renamed_SDL_RenderTexture
 #define SDL_RenderCopyEx SDL_RenderCopyEx_renamed_SDL_RenderTextureRotated
 #define SDL_RenderCopyExF SDL_RenderCopyExF_renamed_SDL_RenderTextureRotated
@@ -1291,6 +1299,7 @@
 
 /* ##SDL_thread.h */
 #define SDL_SetThreadPriority SDL_SetThreadPriority_renamed_SDL_SetCurrentThreadPriority
+#define SDL_SetWindowInputFocus SDL_SetWindowInputFocus_deprecated_use_SDL_RaiseWindow
 #define SDL_TLSCleanup SDL_TLSCleanup_renamed_SDL_CleanupTLS
 #define SDL_TLSGet SDL_TLSGet_renamed_SDL_GetTLS
 #define SDL_TLSSet SDL_TLSSet_renamed_SDL_SetTLS
@@ -1316,10 +1325,13 @@
 #define SDL_GetWindowDisplayIndex SDL_GetWindowDisplayIndex_renamed_SDL_GetDisplayForWindow
 #define SDL_GetWindowDisplayMode SDL_GetWindowDisplayMode_renamed_SDL_GetWindowFullscreenMode
 #define SDL_HasWindowSurface SDL_HasWindowSurface_renamed_SDL_WindowHasSurface
+#define SDL_INIT_EVERYTHING SDL_INIT_EVERYTHING_deprecated_list_flags_explicitly
 #define SDL_IsScreenSaverEnabled SDL_IsScreenSaverEnabled_renamed_SDL_ScreenSaverEnabled
 #define SDL_SetWindowDisplayMode SDL_SetWindowDisplayMode_renamed_SDL_SetWindowFullscreenMode
 #define SDL_WINDOW_ALLOW_HIGHDPI SDL_WINDOW_ALLOW_HIGHDPI_renamed_SDL_WINDOW_HIGH_PIXEL_DENSITY
+#define SDL_WINDOW_FULLSCREEN_DESKTOP SDL_WINDOW_FULLSCREEN_DESKTOP_deprecated_use_SDL_SetWindowFullscreen_with_bool
 #define SDL_WINDOW_INPUT_GRABBED SDL_WINDOW_INPUT_GRABBED_renamed_SDL_WINDOW_MOUSE_GRABBED
+#define SDL_WINDOW_SHOWN SDL_WINDOW_SHOWN_deprecated_windows_are_shown_by_default
 #define SDL_WINDOW_SKIP_TASKBAR SDL_WINDOW_SKIP_TASKBAR_renamed_SDL_WINDOW_UTILITY
 
 #endif /* SDL_ENABLE_OLD_NAMES */

Source/ThirdParty/SDL/SDL3/SDL_opengl.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_opengles.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_opengles2.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_openxr.h

@@ -0,0 +1,237 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2026 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.
+*/
+
+/**
+ * # CategoryOpenXR
+ *
+ * Functions for creating OpenXR handles for SDL_gpu contexts.
+ *
+ * For the most part, OpenXR operates independent of SDL, but 
+ * the graphics initialization depends on direct support from SDL_gpu.
+ *
+ */
+
+#ifndef SDL_openxr_h_
+#define SDL_openxr_h_
+
+#include <SDL3/SDL_stdinc.h>
+#include <SDL3/SDL_gpu.h>
+
+#include <SDL3/SDL_begin_code.h>
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(OPENXR_H_)
+#define NO_SDL_OPENXR_TYPEDEFS 1
+#endif /* OPENXR_H_ */
+
+#if !defined(NO_SDL_OPENXR_TYPEDEFS)
+#define XR_NULL_HANDLE 0
+
+#if !defined(XR_DEFINE_HANDLE)
+    #define XR_DEFINE_HANDLE(object) typedef Uint64 object;
+#endif /* XR_DEFINE_HANDLE */
+
+typedef enum XrStructureType {
+    XR_TYPE_SESSION_CREATE_INFO = 8,
+    XR_TYPE_SWAPCHAIN_CREATE_INFO = 9,
+} XrStructureType;
+
+XR_DEFINE_HANDLE(XrInstance)
+XR_DEFINE_HANDLE(XrSystemId)
+XR_DEFINE_HANDLE(XrSession)
+XR_DEFINE_HANDLE(XrSwapchain)
+
+typedef struct {
+    XrStructureType type;
+    const void* next;
+} XrSessionCreateInfo;
+typedef struct {
+    XrStructureType type;
+    const void* next;
+} XrSwapchainCreateInfo;
+
+typedef enum XrResult {
+    XR_ERROR_FUNCTION_UNSUPPORTED = -7,
+    XR_ERROR_HANDLE_INVALID = -12,
+} XrResult;
+
+#define PFN_xrGetInstanceProcAddr SDL_FunctionPointer
+#endif /* NO_SDL_OPENXR_TYPEDEFS */
+
+/**
+ * Creates an OpenXR session.
+ *
+ * The OpenXR system ID is pulled from the passed GPU context.
+ *
+ * \param device a GPU context.
+ * \param createinfo the create info for the OpenXR session, sans the system
+ *                   ID.
+ * \param session a pointer filled in with an OpenXR session created for the
+ *                given device.
+ * \returns the result of the call.
+ *
+ * \since This function is available since SDL 3.6.0.
+ *
+ * \sa SDL_CreateGPUDeviceWithProperties
+ */
+extern SDL_DECLSPEC XrResult SDLCALL SDL_CreateGPUXRSession(SDL_GPUDevice *device, const XrSessionCreateInfo *createinfo, XrSession *session);
+
+/**
+ * Queries the GPU device for supported XR swapchain image formats.
+ *
+ * The returned pointer should be allocated with SDL_malloc() and will be
+ * passed to SDL_free().
+ *
+ * \param device a GPU context.
+ * \param session an OpenXR session created for the given device.
+ * \param num_formats a pointer filled with the number of supported XR
+ *                    swapchain formats.
+ * \returns a 0 terminated array of supported formats or NULL on failure; call
+ *          SDL_GetError() for more information. This should be freed with
+ *          SDL_free() when it is no longer needed.
+ *
+ * \since This function is available since SDL 3.6.0.
+ *
+ * \sa SDL_CreateGPUXRSwapchain
+ */
+extern SDL_DECLSPEC SDL_GPUTextureFormat * SDLCALL SDL_GetGPUXRSwapchainFormats(SDL_GPUDevice *device, XrSession session, int *num_formats);
+
+/**
+ * Creates an OpenXR swapchain.
+ *
+ * The array returned via `textures` is sized according to
+ * `xrEnumerateSwapchainImages`, and thus should only be accessed via index
+ * values returned from `xrAcquireSwapchainImage`.
+ *
+ * Applications are still allowed to call `xrEnumerateSwapchainImages` on the
+ * returned XrSwapchain if they need to get the exact size of the array.
+ *
+ * \param device a GPU context.
+ * \param session an OpenXR session created for the given device.
+ * \param createinfo the create info for the OpenXR swapchain, sans the
+ *                   format.
+ * \param format a supported format for the OpenXR swapchain.
+ * \param swapchain a pointer filled in with the created OpenXR swapchain.
+ * \param textures a pointer filled in with the array of created swapchain
+ *                 images.
+ * \returns the result of the call.
+ *
+ * \since This function is available since SDL 3.6.0.
+ *
+ * \sa SDL_CreateGPUDeviceWithProperties
+ * \sa SDL_CreateGPUXRSession
+ * \sa SDL_GetGPUXRSwapchainFormats
+ * \sa SDL_DestroyGPUXRSwapchain
+ */
+extern SDL_DECLSPEC XrResult SDLCALL SDL_CreateGPUXRSwapchain(
+    SDL_GPUDevice *device,
+    XrSession session,
+    const XrSwapchainCreateInfo *createinfo, 
+    SDL_GPUTextureFormat format,
+    XrSwapchain *swapchain,
+    SDL_GPUTexture ***textures);
+
+/**
+ * Destroys and OpenXR swapchain previously returned by
+ * SDL_CreateGPUXRSwapchain.
+ *
+ * \param device a GPU context.
+ * \param swapchain a swapchain previously returned by
+ *                  SDL_CreateGPUXRSwapchain.
+ * \param swapchainImages an array of swapchain images returned by the same
+ *                        call to SDL_CreateGPUXRSwapchain.
+ * \returns the result of the call.
+ *
+ * \since This function is available since SDL 3.6.0.
+ *
+ * \sa SDL_CreateGPUDeviceWithProperties
+ * \sa SDL_CreateGPUXRSession
+ * \sa SDL_CreateGPUXRSwapchain
+ */
+extern SDL_DECLSPEC XrResult SDLCALL SDL_DestroyGPUXRSwapchain(SDL_GPUDevice *device, XrSwapchain swapchain, SDL_GPUTexture **swapchainImages);
+
+/**
+ * Dynamically load the OpenXR loader.
+ *
+ * This can be called at any time.
+ *
+ * SDL keeps a reference count of the OpenXR loader, calling this function
+ * multiple times will increment that count, rather than loading the library
+ * multiple times.
+ *
+ * If not called, this will be implicitly called when creating a GPU device
+ * with OpenXR.
+ *
+ * This function will use the platform default OpenXR loader name, unless the
+ * `SDL_HINT_OPENXR_LIBRARY` hint is set.
+ *
+ * \returns true on success or false on failure; call SDL_GetError() for more
+ *          information.
+ *
+ * \threadsafety This function is not thread safe.
+ *
+ * \since This function is available since SDL 3.6.0.
+ *
+ * \sa SDL_HINT_OPENXR_LIBRARY
+ */
+extern SDL_DECLSPEC bool SDLCALL SDL_OpenXR_LoadLibrary(void);
+
+/**
+ * Unload the OpenXR loader previously loaded by SDL_OpenXR_LoadLibrary.
+ *
+ * SDL keeps a reference count of the OpenXR loader, calling this function
+ * will decrement that count. Once the reference count reaches zero, the
+ * library is unloaded.
+ *
+ * \threadsafety This function is not thread safe.
+ *
+ * \since This function is available since SDL 3.6.0.
+ */
+extern SDL_DECLSPEC void SDLCALL SDL_OpenXR_UnloadLibrary(void);
+
+/**
+ * Get the address of the `xrGetInstanceProcAddr` function.
+ *
+ * This should be called after either calling SDL_OpenXR_LoadLibrary() or
+ * creating an OpenXR SDL_GPUDevice.
+ *
+ * The actual type of the returned function pointer is
+ * PFN_xrGetInstanceProcAddr, but that isn't always available. You should
+ * include the OpenXR headers before this header, or cast the return value of
+ * this function to the correct type.
+ *
+ * \returns the function pointer for `xrGetInstanceProcAddr` or NULL on
+ *          failure; call SDL_GetError() for more information.
+ *
+ * \since This function is available since SDL 3.6.0.
+ */
+extern SDL_DECLSPEC PFN_xrGetInstanceProcAddr SDLCALL SDL_OpenXR_GetXrGetInstanceProcAddr(void);
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+#include <SDL3/SDL_close_code.h>
+
+#endif /* SDL_openxr_h_ */

Source/ThirdParty/SDL/SDL3/SDL_pen.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -54,11 +54,11 @@
  * example, some platforms can manage multiple devices at the same time, but
  * others will make any connected pens look like a single logical device, much
  * how all USB mice connected to a computer will move the same system cursor.
- * cursor. Other platforms might not support pen buttons, or the distance
- * axis, etc. Very few platforms can even report _what_ functionality the pen
- * supports in the first place, so best practices is to either build UI to let
- * the user configure their pens, or be prepared to handle new functionality
- * for a pen the first time an event is reported.
+ * Other platforms might not support pen buttons, or the distance axis, etc.
+ * Very few platforms can even report _what_ functionality the pen supports in
+ * the first place, so best practices is to either build UI to let the user
+ * configure their pens, or be prepared to handle new functionality for a pen
+ * the first time an event is reported.
  */
 
 #ifndef SDL_pen_h_

Source/ThirdParty/SDL/SDL3/SDL_pixels.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_platform.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -51,6 +51,8 @@ extern "C" {
  * \returns the name of the platform. If the correct platform name is not
  *          available, returns a string beginning with the text "Unknown".
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC const char * SDLCALL SDL_GetPlatform(void);

Source/ThirdParty/SDL/SDL3/SDL_platform_defines.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_power.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -93,6 +93,8 @@ typedef enum SDL_PowerState
  * \returns the current battery state or `SDL_POWERSTATE_ERROR` on failure;
  *          call SDL_GetError() for more information.
  *
+ * \threadsafety This function is not thread safe.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC SDL_PowerState SDLCALL SDL_GetPowerInfo(int *seconds, int *percent);

Source/ThirdParty/SDL/SDL3/SDL_process.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_properties.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -111,6 +111,8 @@ typedef enum SDL_PropertyType
  * \returns a valid property ID on success or 0 on failure; call
  *          SDL_GetError() for more information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC SDL_PropertiesID SDLCALL SDL_GetGlobalProperties(void);

Source/ThirdParty/SDL/SDL3/SDL_rect.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -237,6 +237,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_HasRectIntersection(const SDL_Rect *A, cons
  *               rectangles `A` and `B`.
  * \returns true if there is an intersection, false otherwise.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_HasRectIntersection
@@ -253,6 +255,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_GetRectIntersection(const SDL_Rect *A, cons
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_GetRectUnion(const SDL_Rect *A, const SDL_Rect *B, SDL_Rect *result);
@@ -272,6 +276,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_GetRectUnion(const SDL_Rect *A, const SDL_R
  * \returns true if any points were enclosed or false if all the points were
  *          outside of the clipping rectangle.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_GetRectEnclosingPoints(const SDL_Point *points, int count, const SDL_Rect *clip, SDL_Rect *result);
@@ -292,6 +298,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_GetRectEnclosingPoints(const SDL_Point *poi
  * \param Y2 a pointer to the ending Y-coordinate of the line.
  * \returns true if there is an intersection, false otherwise.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_GetRectAndLineIntersection(const SDL_Rect *rect, int *X1, int *Y1, int *X2, int *Y2);
@@ -423,9 +431,11 @@ SDL_FORCE_INLINE bool SDL_RectsEqualFloat(const SDL_FRect *a, const SDL_FRect *b
  * \param B an SDL_FRect structure representing the second rectangle.
  * \returns true if there is an intersection, false otherwise.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
- * \sa SDL_GetRectIntersection
+ * \sa SDL_GetRectIntersectionFloat
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_HasRectIntersectionFloat(const SDL_FRect *A, const SDL_FRect *B);
 
@@ -440,6 +450,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_HasRectIntersectionFloat(const SDL_FRect *A
  *               rectangles `A` and `B`.
  * \returns true if there is an intersection, false otherwise.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_HasRectIntersectionFloat
@@ -456,6 +468,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_GetRectIntersectionFloat(const SDL_FRect *A
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_GetRectUnionFloat(const SDL_FRect *A, const SDL_FRect *B, SDL_FRect *result);
@@ -476,6 +490,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_GetRectUnionFloat(const SDL_FRect *A, const
  * \returns true if any points were enclosed or false if all the points were
  *          outside of the clipping rectangle.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_GetRectEnclosingPointsFloat(const SDL_FPoint *points, int count, const SDL_FRect *clip, SDL_FRect *result);
@@ -497,6 +513,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_GetRectEnclosingPointsFloat(const SDL_FPoin
  * \param Y2 a pointer to the ending Y-coordinate of the line.
  * \returns true if there is an intersection, false otherwise.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_GetRectAndLineIntersectionFloat(const SDL_FRect *rect, float *X1, float *Y1, float *X2, float *Y2);

Source/ThirdParty/SDL/SDL3/SDL_render.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -754,8 +754,6 @@ extern SDL_DECLSPEC SDL_Texture * SDLCALL SDL_CreateTextureFromSurface(SDL_Rende
  *
  * - `SDL_PROP_TEXTURE_CREATE_OPENGLES2_TEXTURE_NUMBER`: the GLuint texture
  *   associated with the texture, if you want to wrap an existing texture.
- * - `SDL_PROP_TEXTURE_CREATE_OPENGLES2_TEXTURE_NUMBER`: the GLuint texture
- *   associated with the texture, if you want to wrap an existing texture.
  * - `SDL_PROP_TEXTURE_CREATE_OPENGLES2_TEXTURE_UV_NUMBER`: the GLuint texture
  *   associated with the UV plane of an NV12 texture, if you want to wrap an
  *   existing texture.
@@ -2509,6 +2507,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_RenderGeometryRaw(SDL_Renderer *renderer,
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.4.0.
  *
  * \sa SDL_RenderGeometry
@@ -2530,6 +2530,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_SetRenderTextureAddressMode(SDL_Renderer *r
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.4.0.
  *
  * \sa SDL_SetRenderTextureAddressMode
@@ -2963,7 +2965,7 @@ typedef struct SDL_GPURenderState SDL_GPURenderState;
  * \sa SDL_SetGPURenderState
  * \sa SDL_DestroyGPURenderState
  */
-extern SDL_DECLSPEC SDL_GPURenderState * SDLCALL SDL_CreateGPURenderState(SDL_Renderer *renderer, SDL_GPURenderStateCreateInfo *createinfo);
+extern SDL_DECLSPEC SDL_GPURenderState * SDLCALL SDL_CreateGPURenderState(SDL_Renderer *renderer, const SDL_GPURenderStateCreateInfo *createinfo);
 
 /**
  * Set fragment shader uniform variables in a custom GPU render state.

Source/ThirdParty/SDL/SDL3/SDL_revision.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -31,9 +31,9 @@
 /* #undef SDL_VENDOR_INFO */
 
 #ifdef SDL_VENDOR_INFO
-#define SDL_REVISION "SDL-3.4.0-release-3.4.0 (" SDL_VENDOR_INFO ")"
+#define SDL_REVISION "SDL-3.4.4-release-3.4.4 (" SDL_VENDOR_INFO ")"
 #else
-#define SDL_REVISION "SDL-3.4.0-release-3.4.0"
+#define SDL_REVISION "SDL-3.4.4-release-3.4.4"
 #endif
 
 #endif /* SDL_revision_h_ */

Source/ThirdParty/SDL/SDL3/SDL_scancode.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_sensor.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_stdinc.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -254,12 +254,6 @@ void *alloca(size_t);
 /**
  * Macro useful for building other macros with strings in them.
  *
- * For example:
- *
- * ```c
- * #define LOG_ERROR(X) OutputDebugString(SDL_STRINGIFY_ARG(__FUNCTION__) ": " X "\n")`
- * ```
- *
  * \param arg the text to turn into a string literal.
  *
  * \since This macro is available since SDL 3.2.0.
@@ -1802,6 +1796,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_DestroyEnvironment(SDL_Environment *env);
 /**
  * Get the value of a variable in the environment.
  *
+ * The name of the variable is case sensitive on all platforms.
+ *
  * This function uses SDL's cached copy of the environment and is thread-safe.
  *
  * \param name the name of the variable to get.
@@ -1820,6 +1816,11 @@ extern SDL_DECLSPEC const char * SDLCALL SDL_getenv(const char *name);
  * This function bypasses SDL's cached copy of the environment and is not
  * thread-safe.
  *
+ * On some platforms, this may make case-insensitive matches, while other
+ * platforms are case-sensitive. It is best to be precise with strings used
+ * for queries through this interface. SDL_getenv is always case-sensitive,
+ * however.
+ *
  * \param name the name of the variable to get.
  * \returns a pointer to the value of the variable or NULL if it can't be
  *          found.
@@ -5821,6 +5822,8 @@ typedef struct SDL_iconv_data_t *SDL_iconv_t;
  * \returns a handle that must be freed with SDL_iconv_close, or
  *          SDL_ICONV_ERROR on failure.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_iconv
@@ -5836,6 +5839,8 @@ extern SDL_DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode,
  * \param cd The character set conversion handle.
  * \returns 0 on success, or -1 on failure.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_iconv
@@ -5874,6 +5879,8 @@ extern SDL_DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd);
  * \param outbytesleft The number of bytes in the output buffer.
  * \returns the number of conversions on success, or a negative error code.
  *
+ * \threadsafety Do not use the same SDL_iconv_t from two threads at once.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_iconv_open
@@ -5909,6 +5916,8 @@ extern SDL_DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf,
  * \param inbytesleft the size of the input string _in bytes_.
  * \returns a new string, converted to the new encoding, or NULL on error.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_iconv_open
@@ -5932,6 +5941,8 @@ extern SDL_DECLSPEC char * SDLCALL SDL_iconv_string(const char *tocode,
  * \param S the string to convert.
  * \returns a new string, converted to the new encoding, or NULL on error.
  *
+ * \threadsafety It is safe to call this macro from any thread.
+ *
  * \since This macro is available since SDL 3.2.0.
  */
 #define SDL_iconv_utf8_locale(S)    SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1)
@@ -5946,6 +5957,8 @@ extern SDL_DECLSPEC char * SDLCALL SDL_iconv_string(const char *tocode,
  * \param S the string to convert.
  * \returns a new string, converted to the new encoding, or NULL on error.
  *
+ * \threadsafety It is safe to call this macro from any thread.
+ *
  * \since This macro is available since SDL 3.2.0.
  */
 #define SDL_iconv_utf8_ucs2(S)      SDL_reinterpret_cast(Uint16 *, SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1))
@@ -5960,6 +5973,8 @@ extern SDL_DECLSPEC char * SDLCALL SDL_iconv_string(const char *tocode,
  * \param S the string to convert.
  * \returns a new string, converted to the new encoding, or NULL on error.
  *
+ * \threadsafety It is safe to call this macro from any thread.
+ *
  * \since This macro is available since SDL 3.2.0.
  */
 #define SDL_iconv_utf8_ucs4(S)      SDL_reinterpret_cast(Uint32 *, SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1))
@@ -5974,6 +5989,8 @@ extern SDL_DECLSPEC char * SDLCALL SDL_iconv_string(const char *tocode,
  * \param S the string to convert.
  * \returns a new string, converted to the new encoding, or NULL on error.
  *
+ * \threadsafety It is safe to call this macro from any thread.
+ *
  * \since This macro is available since SDL 3.2.0.
  */
 #define SDL_iconv_wchar_utf8(S)     SDL_iconv_string("UTF-8", "WCHAR_T", SDL_reinterpret_cast(const char *, S), (SDL_wcslen(S)+1)*sizeof(wchar_t))

Source/ThirdParty/SDL/SDL3/SDL_storage.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -568,7 +568,7 @@ extern SDL_DECLSPEC bool SDLCALL SDL_EnumerateStorageDirectory(SDL_Storage *stor
  * Remove a file or an empty directory in a writable storage container.
  *
  * \param storage a storage container.
- * \param path the path of the directory to enumerate.
+ * \param path the path to remove from the filesystem.
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *

Source/ThirdParty/SDL/SDL3/SDL_surface.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_system.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -86,6 +86,8 @@ typedef bool (SDLCALL *SDL_WindowsMessageHook)(void *userdata, MSG *msg);
  * \param callback the SDL_WindowsMessageHook function to call.
  * \param userdata a pointer to pass to every iteration of `callback`.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_WindowsMessageHook
@@ -169,6 +171,8 @@ typedef bool (SDLCALL *SDL_X11EventHook)(void *userdata, XEvent *xevent);
  * \param callback the SDL_X11EventHook function to call.
  * \param userdata a pointer to pass to every iteration of `callback`.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC void SDLCALL SDL_SetX11EventHook(SDL_X11EventHook callback, void *userdata);
@@ -186,6 +190,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_SetX11EventHook(SDL_X11EventHook callback,
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_SetLinuxThreadPriority(Sint64 threadID, int priority);
@@ -202,6 +208,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_SetLinuxThreadPriority(Sint64 threadID, int
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_SetLinuxThreadPriorityAndPolicy(Sint64 threadID, int sdlPriority, int schedPolicy);
@@ -264,6 +272,8 @@ typedef void (SDLCALL *SDL_iOSAnimationCallback)(void *userdata);
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_SetiOSEventPump
@@ -277,6 +287,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_SetiOSAnimationCallback(SDL_Window *window,
  *
  * \param enabled true to enable the event pump, false to disable it.
  *
+ * \threadsafety This function should only be called on the main thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_SetiOSAnimationCallback
@@ -370,6 +382,8 @@ extern SDL_DECLSPEC void * SDLCALL SDL_GetAndroidActivity(void);
  *
  * \returns the Android API level.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC int SDLCALL SDL_GetAndroidSDKVersion(void);
@@ -379,6 +393,8 @@ extern SDL_DECLSPEC int SDLCALL SDL_GetAndroidSDKVersion(void);
  *
  * \returns true if this is a Chromebook, false otherwise.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_IsChromebook(void);
@@ -388,6 +404,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_IsChromebook(void);
  *
  * \returns true if this is a DeX docking station, false otherwise.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_IsDeXMode(void);
@@ -605,6 +623,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_SendAndroidMessage(Uint32 command, int para
  *
  * \returns true if the device is a tablet, false otherwise.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_IsTablet(void);
@@ -616,6 +636,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_IsTablet(void);
  *
  * \returns true if the device is a TV, false otherwise.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_IsTV(void);

Source/ThirdParty/SDL/SDL3/SDL_test.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_test_assert.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_test_common.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_test_compare.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_test_crc32.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_test_font.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_test_fuzzer.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_test_harness.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_test_log.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_test_md5.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_test_memory.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_thread.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -208,6 +208,8 @@ typedef int (SDLCALL *SDL_ThreadFunction) (void *data);
  *          new thread could not be created; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_CreateThreadWithProperties
@@ -274,6 +276,8 @@ extern SDL_DECLSPEC SDL_Thread * SDLCALL SDL_CreateThread(SDL_ThreadFunction fn,
  *          new thread could not be created; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_CreateThread
@@ -329,6 +333,8 @@ extern SDL_DECLSPEC SDL_Thread * SDLCALL SDL_CreateThreadWithProperties(SDL_Prop
  *          new thread could not be created; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC SDL_Thread * SDLCALL SDL_CreateThreadRuntime(SDL_ThreadFunction fn, const char *name, void *data, SDL_FunctionPointer pfnBeginThread, SDL_FunctionPointer pfnEndThread);
@@ -343,6 +349,8 @@ extern SDL_DECLSPEC SDL_Thread * SDLCALL SDL_CreateThreadRuntime(SDL_ThreadFunct
  *          new thread could not be created; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC SDL_Thread * SDLCALL SDL_CreateThreadWithPropertiesRuntime(SDL_PropertiesID props, SDL_FunctionPointer pfnBeginThread, SDL_FunctionPointer pfnEndThread);
@@ -363,6 +371,8 @@ extern SDL_DECLSPEC SDL_Thread * SDLCALL SDL_CreateThreadWithPropertiesRuntime(S
  * \returns a pointer to a UTF-8 string that names the specified thread, or
  *          NULL if it doesn't have a name.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC const char * SDLCALL SDL_GetThreadName(SDL_Thread *thread);
@@ -379,6 +389,8 @@ extern SDL_DECLSPEC const char * SDLCALL SDL_GetThreadName(SDL_Thread *thread);
  *
  * \returns the ID of the current thread.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_GetThreadID
@@ -396,6 +408,8 @@ extern SDL_DECLSPEC SDL_ThreadID SDLCALL SDL_GetCurrentThreadID(void);
  * \returns the ID of the specified thread, or the ID of the current thread if
  *          `thread` is NULL.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_GetCurrentThreadID
@@ -413,6 +427,8 @@ extern SDL_DECLSPEC SDL_ThreadID SDLCALL SDL_GetThreadID(SDL_Thread *thread);
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_SetCurrentThreadPriority(SDL_ThreadPriority priority);
@@ -445,6 +461,9 @@ extern SDL_DECLSPEC bool SDLCALL SDL_SetCurrentThreadPriority(SDL_ThreadPriority
  *               function by its 'return', or -1 if the thread has been
  *               detached or isn't valid, may be NULL.
  *
+ * \threadsafety It is safe to call this function from any thread, but only a
+ *               single thread can wait any specific thread to finish.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_CreateThread
@@ -459,6 +478,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_WaitThread(SDL_Thread *thread, int *status)
  * \returns the current state of a thread, or SDL_THREAD_UNKNOWN if the thread
  *          isn't valid.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_ThreadState
@@ -494,6 +515,8 @@ extern SDL_DECLSPEC SDL_ThreadState SDLCALL SDL_GetThreadState(SDL_Thread *threa
  * \param thread the SDL_Thread pointer that was returned from the
  *               SDL_CreateThread() call that started this thread.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_CreateThread

Source/ThirdParty/SDL/SDL3/SDL_time.h

@@ -1,6 +1,6 @@
 /*
 Simple DirectMedia Layer
-Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+Copyright (C) 1997-2026 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
@@ -106,6 +106,8 @@ typedef enum SDL_TimeFormat
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety This function is not thread safe.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_GetDateTimeLocalePreferences(SDL_DateFormat *dateFormat, SDL_TimeFormat *timeFormat);
@@ -118,6 +120,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_GetDateTimeLocalePreferences(SDL_DateFormat
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_GetCurrentTime(SDL_Time *ticks);
@@ -134,6 +138,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_GetCurrentTime(SDL_Time *ticks);
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_TimeToDateTime(SDL_Time ticks, SDL_DateTime *dt, bool localTime);
@@ -149,6 +155,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_TimeToDateTime(SDL_Time ticks, SDL_DateTime
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_DateTimeToTime(const SDL_DateTime *dt, SDL_Time *ticks);
@@ -165,6 +173,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_DateTimeToTime(const SDL_DateTime *dt, SDL_
  * \param dwHighDateTime a pointer filled in with the high portion of the
  *                       Windows FILETIME value.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC void SDLCALL SDL_TimeToWindows(SDL_Time ticks, Uint32 *dwLowDateTime, Uint32 *dwHighDateTime);
@@ -180,6 +190,8 @@ extern SDL_DECLSPEC void SDLCALL SDL_TimeToWindows(SDL_Time ticks, Uint32 *dwLow
  * \param dwHighDateTime the high portion of the Windows FILETIME value.
  * \returns the converted SDL time.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC SDL_Time SDLCALL SDL_TimeFromWindows(Uint32 dwLowDateTime, Uint32 dwHighDateTime);
@@ -192,6 +204,8 @@ extern SDL_DECLSPEC SDL_Time SDLCALL SDL_TimeFromWindows(Uint32 dwLowDateTime, U
  * \returns the number of days in the requested month or -1 on failure; call
  *          SDL_GetError() for more information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC int SDLCALL SDL_GetDaysInMonth(int year, int month);
@@ -205,6 +219,8 @@ extern SDL_DECLSPEC int SDLCALL SDL_GetDaysInMonth(int year, int month);
  * \returns the day of year [0-365] if the date is valid or -1 on failure;
  *          call SDL_GetError() for more information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC int SDLCALL SDL_GetDayOfYear(int year, int month, int day);
@@ -218,6 +234,8 @@ extern SDL_DECLSPEC int SDLCALL SDL_GetDayOfYear(int year, int month, int day);
  * \returns a value between 0 and 6 (0 being Sunday) if the date is valid or
  *          -1 on failure; call SDL_GetError() for more information.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  */
 extern SDL_DECLSPEC int SDLCALL SDL_GetDayOfWeek(int year, int month, int day);

Source/ThirdParty/SDL/SDL3/SDL_timer.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_touch.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_tray.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/ThirdParty/SDL/SDL3/SDL_version.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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
@@ -62,7 +62,7 @@ extern "C" {
  *
  * \since This macro is available since SDL 3.2.0.
  */
-#define SDL_MICRO_VERSION   0
+#define SDL_MICRO_VERSION   4
 
 /**
  * This macro turns the version numbers into a numeric value.
@@ -85,6 +85,8 @@ extern "C" {
  *
  * \param version the version number.
  *
+ * \threadsafety It is safe to call this macro from any thread.
+ *
  * \since This macro is available since SDL 3.2.0.
  */
 #define SDL_VERSIONNUM_MAJOR(version) ((version) / 1000000)
@@ -96,6 +98,8 @@ extern "C" {
  *
  * \param version the version number.
  *
+ * \threadsafety It is safe to call this macro from any thread.
+ *
  * \since This macro is available since SDL 3.2.0.
  */
 #define SDL_VERSIONNUM_MINOR(version) (((version) / 1000) % 1000)
@@ -107,6 +111,8 @@ extern "C" {
  *
  * \param version the version number.
  *
+ * \threadsafety It is safe to call this macro from any thread.
+ *
  * \since This macro is available since SDL 3.2.0.
  */
 #define SDL_VERSIONNUM_MICRO(version) ((version) % 1000)
@@ -114,6 +120,8 @@ extern "C" {
 /**
  * This is the version number macro for the current SDL version.
  *
+ * \threadsafety It is safe to call this macro from any thread.
+ *
  * \since This macro is available since SDL 3.2.0.
  *
  * \sa SDL_GetVersion
@@ -124,6 +132,8 @@ extern "C" {
 /**
  * This macro will evaluate to true if compiled with SDL at least X.Y.Z.
  *
+ * \threadsafety It is safe to call this macro from any thread.
+ *
  * \since This macro is available since SDL 3.2.0.
  */
 #define SDL_VERSION_ATLEAST(X, Y, Z) \
@@ -141,6 +151,8 @@ extern "C" {
  *
  * \returns the version of the linked library.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_GetRevision
@@ -168,6 +180,8 @@ extern SDL_DECLSPEC int SDLCALL SDL_GetVersion(void);
  * \returns an arbitrary string, uniquely identifying the exact revision of
  *          the SDL library in use.
  *
+ * \threadsafety It is safe to call this function from any thread.
+ *
  * \since This function is available since SDL 3.2.0.
  *
  * \sa SDL_GetVersion

Source/ThirdParty/SDL/SDL3/SDL_video.h

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 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

Source/Tools/Flax.Build/Deploy/Deployment.Editor.cs

@@ -348,6 +348,7 @@ namespace Flax.Deploy
                     DeployFile(src, dst, "MoltenVK_icd.json");
                     DeployFiles(src, dst, "*.dll");
                     DeployFiles(src, dst, "*.dylib");
+                    DeployFile(src, dst, "Logo.png");
 
                     // Optimize package size
                     Utilities.Run("strip", "FlaxEditor", null, dst, Utilities.RunOptions.None);

Source/Tools/Flax.Build/Deps/Dependencies/SDL.cs

@@ -53,6 +53,7 @@ namespace Flax.Deps.Dependencies
                 "-DSDL_CAMERA=OFF",
                 "-DSDL_DIALOG=OFF",
                 "-DSDL_OFFSCREEN=OFF",
+                "-DSDL_TRAY=OFF",
                 
                 "-DSDL_RENDER=OFF",
                 "-DSDL_RENDER_D3D=OFF",
@@ -88,7 +89,7 @@ namespace Flax.Deps.Dependencies
 
             CloneGitRepo(root, "https://github.com/libsdl-org/SDL");
             GitFetch(root);
-            GitResetToCommit(root, "a962f40bbba175e9716557a25d5d7965f134a3d3");  // 3.4.0
+            GitResetToCommit(root, "5848e584a1b606de26e3dbd1c7e4ecbc34f807a6");  // 3.4.4
 
             foreach (var platform in options.Platforms)
             {