update sdl2 to 2.32.10

Engine/lib/sdl/src/video/SDL_sysvideo.h

@@ -355,8 +355,7 @@ struct SDL_VideoDevice
     SDL_bool checked_texture_framebuffer;
     SDL_bool is_dummy;
     SDL_bool suspend_screensaver;
-    SDL_Window *wakeup_window;
-    SDL_mutex *wakeup_lock; /* Initialized only if WaitEventTimeout/SendWakeupEvent are supported */
+    void *wakeup_window;
     int num_displays;
     SDL_VideoDisplay *displays;
     SDL_Window *windows;

Engine/lib/sdl/src/video/SDL_video.c

@@ -3368,9 +3368,7 @@ void SDL_DestroyWindow(SDL_Window *window)
         _this->current_glwin = NULL;
     }
 
-    if (_this->wakeup_window == window) {
-        _this->wakeup_window = NULL;
-    }
+    SDL_AtomicCASPtr(&_this->wakeup_window, window, NULL);
 
     /* Now invalidate magic */
     window->magic = NULL;

Engine/lib/sdl/src/video/cocoa/SDL_cocoaevents.m

@@ -287,9 +287,19 @@ static void Cocoa_DispatchEvent(NSEvent *theEvent)
     /* The menu bar of SDL apps which don't have the typical .app bundle
      * structure fails to work the first time a window is created (until it's
      * de-focused and re-focused), if this call is in Cocoa_RegisterApp instead
-     * of here. https://bugzilla.libsdl.org/show_bug.cgi?id=3051
+     * of here. https://github.com/libsdl-org/SDL/issues/1913
      */
-    if (!SDL_GetHintBoolean(SDL_HINT_MAC_BACKGROUND_APP, SDL_FALSE)) {
+
+    /* this apparently became unnecessary on macOS 14.0, and will addition pop up a
+       hidden dock if you're moving the mouse during launch, so change the default
+       behaviour there.  https://github.com/libsdl-org/SDL/issues/10340
+       (13.6 still needs it, presumably 13.7 does, too.) */
+    SDL_bool background_app_default = SDL_FALSE;
+    if (@available(macOS 14.0, *)) {
+        background_app_default = SDL_TRUE;  /* by default, don't explicitly activate the dock and then us again to force to foreground */
+    }
+
+    if (!SDL_GetHintBoolean(SDL_HINT_MAC_BACKGROUND_APP, background_app_default)) {
         /* Get more aggressive for Catalina: activate the Dock first so we definitely reset all activation state. */
         for (NSRunningApplication *i in [NSRunningApplication runningApplicationsWithBundleIdentifier:@"com.apple.dock"]) {
             [i activateWithOptions:NSApplicationActivateIgnoringOtherApps];

Engine/lib/sdl/src/video/cocoa/SDL_cocoavideo.m

@@ -48,9 +48,6 @@ static void Cocoa_VideoQuit(_THIS);
 static void Cocoa_DeleteDevice(SDL_VideoDevice * device)
 { @autoreleasepool
 {
-    if (device->wakeup_lock) {
-        SDL_DestroyMutex(device->wakeup_lock);
-    }
     CFBridgingRelease(device->driverdata);
     SDL_free(device);
 }}
@@ -76,7 +73,6 @@ static SDL_VideoDevice *Cocoa_CreateDevice(void)
         return NULL;
     }
     device->driverdata = (void *)CFBridgingRetain(data);
-    device->wakeup_lock = SDL_CreateMutex();
 
     /* Set the function pointers */
     device->VideoInit = Cocoa_VideoInit;

Engine/lib/sdl/src/video/cocoa/SDL_cocoawindow.m

@@ -855,6 +855,11 @@ static NSCursor *Cocoa_GetDesiredCursor(void)
     SDL_SendWindowEvent(window, SDL_WINDOWEVENT_MOVED, x, y);
     SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, w, h);
 
+    /* The OS can resize the window automatically if the display density
+       changes while the window is miniaturized or hidden */
+    if (![nswindow isVisible])
+        return;
+
     /* isZoomed always returns true if the window is not resizable */
     if ((window->flags & SDL_WINDOW_RESIZABLE) && [nswindow isZoomed]) {
         zoomed = YES;

Engine/lib/sdl/src/video/emscripten/SDL_emscriptenframebuffer.c

@@ -79,7 +79,7 @@ int Emscripten_UpdateWindowFramebuffer(_THIS, SDL_Window *window, const SDL_Rect
         if (!Module['SDL2']) Module['SDL2'] = {};
         var SDL2 = Module['SDL2'];
         if (SDL2.ctxCanvas !== Module['canvas']) {
-            SDL2.ctx = Module['createContext'](Module['canvas'], false, true);
+            SDL2.ctx = Browser.createContext(Module['canvas'], false, true);
             SDL2.ctxCanvas = Module['canvas'];
         }
         if (SDL2.w !== w || SDL2.h !== h || SDL2.imageCtx !== SDL2.ctx) {

Engine/lib/sdl/src/video/wayland/SDL_waylanddatamanager.c

@@ -40,6 +40,48 @@
  */
 #define PIPE_MS_TIMEOUT 14
 
+/* sigtimedwait() is an optional part of POSIX.1-2001, and OpenBSD doesn't implement it.
+ * Based on https://comp.unix.programmer.narkive.com/rEDH0sPT/sigtimedwait-implementation
+ */
+#ifndef HAVE_SIGTIMEDWAIT
+#include <errno.h>
+#include <time.h>
+static int sigtimedwait(const sigset_t *set, siginfo_t *info, const struct timespec *timeout)
+{
+    struct timespec elapsed = { 0 }, rem = { 0 };
+    sigset_t pending;
+    int signo;
+    do {
+        /* Check the pending signals, and call sigwait if there is at least one of interest in the set. */
+        sigpending(&pending);
+        for (signo = 1; signo < NSIG; ++signo) {
+            if (sigismember(set, signo) && sigismember(&pending, signo)) {
+                if (!sigwait(set, &signo)) {
+                    if (info) {
+                        SDL_memset(info, 0, sizeof *info);
+                        info->si_signo = signo;
+                    }
+                    return signo;
+                } else {
+                    return -1;
+                }
+            }
+        }
+
+        if (timeout->tv_sec || timeout->tv_nsec) {
+            long ns = 20000000L; // 2/100ths of a second
+            nanosleep(&(struct timespec){ 0, ns }, &rem);
+            ns -= rem.tv_nsec;
+            elapsed.tv_sec += (elapsed.tv_nsec + ns) / 1000000000L;
+            elapsed.tv_nsec = (elapsed.tv_nsec + ns) % 1000000000L;
+        }
+    } while (elapsed.tv_sec < timeout->tv_sec || (elapsed.tv_sec == timeout->tv_sec && elapsed.tv_nsec < timeout->tv_nsec));
+
+    errno = EAGAIN;
+    return -1;
+}
+#endif
+
 static ssize_t write_pipe(int fd, const void *buffer, size_t total_length, size_t *pos)
 {
     int ready = 0;
@@ -75,7 +117,7 @@ static ssize_t write_pipe(int fd, const void *buffer, size_t total_length, size_
         }
     }
 
-    sigtimedwait(&sig_set, 0, &zerotime);
+    sigtimedwait(&sig_set, NULL, &zerotime);
 
 #ifdef SDL_THREADS_DISABLED
     sigprocmask(SIG_SETMASK, &old_sig_set, NULL);

Engine/lib/sdl/src/video/wayland/SDL_waylandvideo.c

@@ -162,9 +162,6 @@ static void Wayland_DeleteDevice(SDL_VideoDevice *device)
         WAYLAND_wl_display_flush(data->display);
         WAYLAND_wl_display_disconnect(data->display);
     }
-    if (device->wakeup_lock) {
-        SDL_DestroyMutex(device->wakeup_lock);
-    }
     SDL_free(data);
     SDL_free(device);
     SDL_WAYLAND_UnloadSymbols();
@@ -233,7 +230,6 @@ static SDL_VideoDevice *Wayland_CreateDevice(void)
     }
 
     device->driverdata = data;
-    device->wakeup_lock = SDL_CreateMutex();
 
     /* Set the function pointers */
     device->VideoInit = Wayland_VideoInit;

Engine/lib/sdl/src/video/windows/SDL_windowsvideo.c

@@ -93,9 +93,6 @@ static void WIN_DeleteDevice(SDL_VideoDevice *device)
         SDL_UnloadObject(data->shcoreDLL);
     }
 #endif
-    if (device->wakeup_lock) {
-        SDL_DestroyMutex(device->wakeup_lock);
-    }
     SDL_free(device->driverdata);
     SDL_free(device);
 }
@@ -120,7 +117,6 @@ static SDL_VideoDevice *WIN_CreateDevice(void)
         return NULL;
     }
     device->driverdata = data;
-    device->wakeup_lock = SDL_CreateMutex();
 
 #if !defined(__XBOXONE__) && !defined(__XBOXSERIES__)
     data->userDLL = SDL_LoadObject("USER32.DLL");

Engine/lib/sdl/src/video/x11/SDL_x11video.c

@@ -108,9 +108,6 @@ static void X11_DeleteDevice(SDL_VideoDevice *device)
         X11_XCloseDisplay(data->request_display);
     }
     SDL_free(data->windowlist);
-    if (device->wakeup_lock) {
-        SDL_DestroyMutex(device->wakeup_lock);
-    }
     SDL_free(device->driverdata);
     SDL_free(device);
 
@@ -204,8 +201,6 @@ static SDL_VideoDevice *X11_CreateDevice(void)
         return NULL;
     }
 
-    device->wakeup_lock = SDL_CreateMutex();
-
 #ifdef X11_DEBUG
     X11_XSynchronize(data->display, True);
 #endif