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diff --git a/source/3rd-party/SDL2/src/video/uikit/SDL_uikitvideo.m b/source/3rd-party/SDL2/src/video/uikit/SDL_uikitvideo.m
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+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#if SDL_VIDEO_DRIVER_UIKIT
+
+#import <UIKit/UIKit.h>
+
+#include "SDL_video.h"
+#include "SDL_mouse.h"
+#include "SDL_hints.h"
+#include "../SDL_sysvideo.h"
+#include "../SDL_pixels_c.h"
+#include "../../events/SDL_events_c.h"
+
+#include "SDL_uikitvideo.h"
+#include "SDL_uikitevents.h"
+#include "SDL_uikitmodes.h"
+#include "SDL_uikitwindow.h"
+#include "SDL_uikitopengles.h"
+#include "SDL_uikitclipboard.h"
+#include "SDL_uikitvulkan.h"
+
+#define UIKITVID_DRIVER_NAME "uikit"
+
+@implementation SDL_VideoData
+
+@end
+
+/* Initialization/Query functions */
+static int UIKit_VideoInit(_THIS);
+static void UIKit_VideoQuit(_THIS);
+
+/* DUMMY driver bootstrap functions */
+
+static int
+UIKit_Available(void)
+{
+    return 1;
+}
+
+static void UIKit_DeleteDevice(SDL_VideoDevice * device)
+{
+    @autoreleasepool {
+        CFRelease(device->driverdata);
+        SDL_free(device);
+    }
+}
+
+static SDL_VideoDevice *
+UIKit_CreateDevice(int devindex)
+{
+    @autoreleasepool {
+        SDL_VideoDevice *device;
+        SDL_VideoData *data;
+
+        /* Initialize all variables that we clean on shutdown */
+        device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
+        if (device) {
+            data = [SDL_VideoData new];
+        } else {
+            SDL_free(device);
+            SDL_OutOfMemory();
+            return (0);
+        }
+
+        device->driverdata = (void *) CFBridgingRetain(data);
+
+        /* Set the function pointers */
+        device->VideoInit = UIKit_VideoInit;
+        device->VideoQuit = UIKit_VideoQuit;
+        device->GetDisplayModes = UIKit_GetDisplayModes;
+        device->SetDisplayMode = UIKit_SetDisplayMode;
+        device->PumpEvents = UIKit_PumpEvents;
+        device->SuspendScreenSaver = UIKit_SuspendScreenSaver;
+        device->CreateSDLWindow = UIKit_CreateWindow;
+        device->SetWindowTitle = UIKit_SetWindowTitle;
+        device->ShowWindow = UIKit_ShowWindow;
+        device->HideWindow = UIKit_HideWindow;
+        device->RaiseWindow = UIKit_RaiseWindow;
+        device->SetWindowBordered = UIKit_SetWindowBordered;
+        device->SetWindowFullscreen = UIKit_SetWindowFullscreen;
+        device->DestroyWindow = UIKit_DestroyWindow;
+        device->GetWindowWMInfo = UIKit_GetWindowWMInfo;
+        device->GetDisplayUsableBounds = UIKit_GetDisplayUsableBounds;
+
+#if SDL_IPHONE_KEYBOARD
+        device->HasScreenKeyboardSupport = UIKit_HasScreenKeyboardSupport;
+        device->ShowScreenKeyboard = UIKit_ShowScreenKeyboard;
+        device->HideScreenKeyboard = UIKit_HideScreenKeyboard;
+        device->IsScreenKeyboardShown = UIKit_IsScreenKeyboardShown;
+        device->SetTextInputRect = UIKit_SetTextInputRect;
+#endif
+
+        device->SetClipboardText = UIKit_SetClipboardText;
+        device->GetClipboardText = UIKit_GetClipboardText;
+        device->HasClipboardText = UIKit_HasClipboardText;
+
+        /* OpenGL (ES) functions */
+        device->GL_MakeCurrent      = UIKit_GL_MakeCurrent;
+        device->GL_GetDrawableSize  = UIKit_GL_GetDrawableSize;
+        device->GL_SwapWindow       = UIKit_GL_SwapWindow;
+        device->GL_CreateContext    = UIKit_GL_CreateContext;
+        device->GL_DeleteContext    = UIKit_GL_DeleteContext;
+        device->GL_GetProcAddress   = UIKit_GL_GetProcAddress;
+        device->GL_LoadLibrary      = UIKit_GL_LoadLibrary;
+        device->free = UIKit_DeleteDevice;
+
+#if SDL_VIDEO_VULKAN
+        device->Vulkan_LoadLibrary = UIKit_Vulkan_LoadLibrary;
+        device->Vulkan_UnloadLibrary = UIKit_Vulkan_UnloadLibrary;
+        device->Vulkan_GetInstanceExtensions
+                                     = UIKit_Vulkan_GetInstanceExtensions;
+        device->Vulkan_CreateSurface = UIKit_Vulkan_CreateSurface;
+        device->Vulkan_GetDrawableSize = UIKit_Vulkan_GetDrawableSize;
+#endif
+
+        device->gl_config.accelerated = 1;
+
+        return device;
+    }
+}
+
+VideoBootStrap UIKIT_bootstrap = {
+    UIKITVID_DRIVER_NAME, "SDL UIKit video driver",
+    UIKit_Available, UIKit_CreateDevice
+};
+
+
+int
+UIKit_VideoInit(_THIS)
+{
+    _this->gl_config.driver_loaded = 1;
+
+    if (UIKit_InitModes(_this) < 0) {
+        return -1;
+    }
+    return 0;
+}
+
+void
+UIKit_VideoQuit(_THIS)
+{
+    UIKit_QuitModes(_this);
+}
+
+void
+UIKit_SuspendScreenSaver(_THIS)
+{
+    @autoreleasepool {
+        /* Ignore ScreenSaver API calls if the idle timer hint has been set. */
+        /* FIXME: The idle timer hint should be deprecated for SDL 2.1. */
+        if (!SDL_GetHintBoolean(SDL_HINT_IDLE_TIMER_DISABLED, SDL_FALSE)) {
+            UIApplication *app = [UIApplication sharedApplication];
+
+            /* Prevent the display from dimming and going to sleep. */
+            app.idleTimerDisabled = (_this->suspend_screensaver != SDL_FALSE);
+        }
+    }
+}
+
+SDL_bool
+UIKit_IsSystemVersionAtLeast(double version)
+{
+    return [[UIDevice currentDevice].systemVersion doubleValue] >= version;
+}
+
+CGRect
+UIKit_ComputeViewFrame(SDL_Window *window, UIScreen *screen)
+{
+    CGRect frame = screen.bounds;
+
+#if !TARGET_OS_TV && (__IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_7_0)
+    BOOL hasiOS7 = UIKit_IsSystemVersionAtLeast(7.0);
+
+    /* The view should always show behind the status bar in iOS 7+. */
+    if (!hasiOS7 && !(window->flags & (SDL_WINDOW_BORDERLESS|SDL_WINDOW_FULLSCREEN))) {
+        frame = screen.applicationFrame;
+    }
+#endif
+
+#if !TARGET_OS_TV
+    /* iOS 10 seems to have a bug where, in certain conditions, putting the
+     * device to sleep with the a landscape-only app open, re-orienting the
+     * device to portrait, and turning it back on will result in the screen
+     * bounds returning portrait orientation despite the app being in landscape.
+     * This is a workaround until a better solution can be found.
+     * https://bugzilla.libsdl.org/show_bug.cgi?id=3505
+     * https://bugzilla.libsdl.org/show_bug.cgi?id=3465
+     * https://forums.developer.apple.com/thread/65337 */
+    if (UIKit_IsSystemVersionAtLeast(8.0)) {
+        UIInterfaceOrientation orient = [UIApplication sharedApplication].statusBarOrientation;
+        BOOL isLandscape = UIInterfaceOrientationIsLandscape(orient);
+
+        if (isLandscape != (frame.size.width > frame.size.height)) {
+            float height = frame.size.width;
+            frame.size.width = frame.size.height;
+            frame.size.height = height;
+        }
+    }
+#endif
+
+    return frame;
+}
+
+/*
+ * iOS log support.
+ *
+ * This doesn't really have aything to do with the interfaces of the SDL video
+ *  subsystem, but we need to stuff this into an Objective-C source code file.
+ */
+
+void SDL_NSLog(const char *text)
+{
+    NSLog(@"%s", text);
+}
+
+/*
+ * iOS Tablet detection
+ *
+ * This doesn't really have aything to do with the interfaces of the SDL video
+ * subsystem, but we need to stuff this into an Objective-C source code file.
+ */
+SDL_bool SDL_IsIPad(void)
+{
+    return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad);
+}
+
+#endif /* SDL_VIDEO_DRIVER_UIKIT */
+
+/* vi: set ts=4 sw=4 expandtab: */