WinRT: merged with SDL 2.0.0 codebase (aka. SDL hg rev d4ce48ff30d1)

src/SDL_assert.c

@@ -37,8 +37,10 @@
 #else  /* fprintf, _exit(), etc. */
 #include <stdio.h>
 #include <stdlib.h>
+#if ! defined(__WINRT__)
 #include <unistd.h>
 #endif
+#endif
 
 static SDL_assert_state
 SDL_PromptAssertion(const SDL_assert_data *data, void *userdata);

src/SDL_log.c

@@ -28,7 +28,7 @@
 #include <stdio.h>
 #endif
 
-#if defined(__WIN32__)
+#if defined(__WIN32__) || defined(__WINRT__)
 #include "core/windows/SDL_windows.h"
 #elif defined(__ANDROID__)
 #include <android/log.h>
@@ -315,7 +315,7 @@ static void
 SDL_LogOutput(void *userdata, int category, SDL_LogPriority priority,
               const char *message)
 {
-#if defined(__WIN32__)
+#if defined(__WIN32__) || defined(__WINRT__)
     /* Way too many allocations here, urgh */
     /* Note: One can't call SDL_SetError here, since that function itself logs. */
     {

src/atomic/SDL_spinlock.c

@@ -25,7 +25,7 @@
 #include "SDL_timer.h"
 
 /* Don't do the check for Visual Studio 2005, it's safe here */
-#ifdef __WIN32__
+#if defined(__WIN32__) || defined(__WINRT__)
 #include "../core/windows/SDL_windows.h"
 #endif
 

src/audio/xaudio2/SDL_xaudio2_winrthelpers.cpp

@@ -0,0 +1,69 @@
+
+#include <xaudio2.h>
+#include "SDL_xaudio2_winrthelpers.h"
+
+#if WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP
+using Windows::Devices::Enumeration::DeviceClass;
+using Windows::Devices::Enumeration::DeviceInformation;
+using Windows::Devices::Enumeration::DeviceInformationCollection;
+#endif
+
+HRESULT IXAudio2_GetDeviceCount(IXAudio2 * ixa2, UINT32 * devcount)
+{
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+    // There doesn't seem to be any audio device enumeration on Windows Phone.
+    // In lieu of this, just treat things as if there is one and only one
+    // audio device.
+    *devcount = 1;
+    return S_OK;
+#else
+    // TODO, WinRT: make xaudio2 device enumeration only happen once, and in the background
+    auto operation = DeviceInformation::FindAllAsync(DeviceClass::AudioRender);
+    while (operation->Status != Windows::Foundation::AsyncStatus::Completed)
+    {
+    }
+ 
+    DeviceInformationCollection^ devices = operation->GetResults();
+    *devcount = devices->Size;
+    return S_OK;
+#endif
+}
+
+HRESULT IXAudio2_GetDeviceDetails(IXAudio2 * unused, UINT32 index, XAUDIO2_DEVICE_DETAILS * details)
+{
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+    // Windows Phone doesn't seem to have the same device enumeration APIs that
+    // Windows 8/RT has, or it doesn't have them at all.  In lieu of this,
+    // just treat things as if there is one, and only one, default device.
+    if (index != 0)
+    {
+        return XAUDIO2_E_INVALID_CALL;
+    }
+
+    if (details)
+    {
+        wcsncpy_s(details->DeviceID, ARRAYSIZE(details->DeviceID), L"default", _TRUNCATE);
+        wcsncpy_s(details->DisplayName, ARRAYSIZE(details->DisplayName), L"default", _TRUNCATE);
+    }
+    return S_OK;
+#else
+    auto operation = DeviceInformation::FindAllAsync(DeviceClass::AudioRender);
+    while (operation->Status != Windows::Foundation::AsyncStatus::Completed)
+    {
+    }
+ 
+    DeviceInformationCollection^ devices = operation->GetResults();
+    if (index >= devices->Size)
+    {
+        return XAUDIO2_E_INVALID_CALL;
+    }
+
+    DeviceInformation^ d = devices->GetAt(index);
+    if (details)
+    {
+        wcsncpy_s(details->DeviceID, ARRAYSIZE(details->DeviceID), d->Id->Data(), _TRUNCATE);
+        wcsncpy_s(details->DisplayName, ARRAYSIZE(details->DisplayName), d->Name->Data(), _TRUNCATE);
+    }
+    return S_OK;
+#endif
+}

src/audio/xaudio2/SDL_xaudio2_winrthelpers.h

@@ -0,0 +1,40 @@
+
+#pragma once
+
+//
+// Re-implementation of methods removed from XAudio2 (in Windows RT):
+//
+
+typedef struct XAUDIO2_DEVICE_DETAILS
+{
+    WCHAR DeviceID[256];
+    WCHAR DisplayName[256];
+    /* Other fields exist in the pre-Windows 8 version of this struct, however
+       they weren't used by SDL, so they weren't added.
+    */
+} XAUDIO2_DEVICE_DETAILS;
+
+HRESULT IXAudio2_GetDeviceCount(IXAudio2 * unused, UINT32 * devcount);
+HRESULT IXAudio2_GetDeviceDetails(IXAudio2 * unused, UINT32 index, XAUDIO2_DEVICE_DETAILS * details);
+
+
+//
+// C-style macros to call XAudio2's methods in C++:
+//
+
+#define IXAudio2_CreateMasteringVoice(A, B, C, D, E, F, G) (A)->CreateMasteringVoice((B), (C), (D), (E), (F), (G))
+#define IXAudio2_CreateSourceVoice(A, B, C, D, E, F, G, H) (A)->CreateSourceVoice((B), (C), (D), (E), (F), (G), (H))
+#define IXAudio2_QueryInterface(A, B, C) (A)->QueryInterface((B), (C))
+#define IXAudio2_Release(A) (A)->Release()
+#define IXAudio2_StartEngine(A) (A)->StartEngine()
+#define IXAudio2_StopEngine(A) (A)->StopEngine()
+
+#define IXAudio2MasteringVoice_DestroyVoice(A) (A)->DestroyVoice()
+
+#define IXAudio2SourceVoice_DestroyVoice(A) (A)->DestroyVoice()
+#define IXAudio2SourceVoice_Discontinuity(A) (A)->Discontinuity()
+#define IXAudio2SourceVoice_FlushSourceBuffers(A) (A)->FlushSourceBuffers()
+#define IXAudio2SourceVoice_GetState(A, B) (A)->GetState((B))
+#define IXAudio2SourceVoice_Start(A, B, C) (A)->Start((B), (C))
+#define IXAudio2SourceVoice_Stop(A, B, C) (A)->Stop((B), (C))
+#define IXAudio2SourceVoice_SubmitSourceBuffer(A, B, C) (A)->SubmitSourceBuffer((B), (C))

src/core/windows/SDL_windows.c

@@ -20,21 +20,21 @@
 */
 #include "SDL_config.h"
 
-#ifdef __WIN32__
+#if defined(__WIN32__) || defined(__WINRT__)
 
 #include "SDL_error.h"
 #include "SDL_windows.h"
 #include "SDL_assert.h"
 
-#include <objbase.h>  /* for CoInitialize/CoUninitialize */
+#include <objbase.h>  /* for CoInitialize/CoUninitialize (Win32 only) */
 
 /* Sets an error message based on GetLastError() */
 int
-WIN_SetError(const char *prefix)
+WIN_SetErrorFromHRESULT(const char *prefix, HRESULT hr)
 {
     TCHAR buffer[1024];
     char *message;
-    FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(), 0,
+    FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, hr, 0,
                   buffer, SDL_arraysize(buffer), NULL);
     message = WIN_StringToUTF8(buffer);
     SDL_SetError("%s%s%s", prefix ? prefix : "", prefix ? ": " : "", message);
@@ -42,9 +42,24 @@ WIN_SetError(const char *prefix)
     return -1;
 }
 
+/* Sets an error message based on GetLastError() */
+int
+WIN_SetError(const char *prefix)
+{
+    return WIN_SetErrorFromHRESULT(prefix, GetLastError());
+}
+
 HRESULT
 WIN_CoInitialize(void)
 {
+#ifdef __WINRT__
+    /* DLudwig: On WinRT, it is assumed that COM was initialized in main().
+       CoInitializeEx is available (not CoInitialize though), however
+       on WinRT, main() is typically declared with the [MTAThread]
+       attribute, which, AFAIK, should initialize COM.
+    */
+    return S_OK;
+#else
     const HRESULT hr = CoInitialize(NULL);
 
     /* S_FALSE means success, but someone else already initialized. */
@@ -54,12 +69,15 @@ WIN_CoInitialize(void)
     }
 
     return hr;
+#endif
 }
 
 void
 WIN_CoUninitialize(void)
 {
+#ifndef __WINRT__
     CoUninitialize();
+#endif
 }
 
 #endif /* __WIN32__ */

src/core/windows/SDL_windows.h

@@ -24,6 +24,7 @@
 #ifndef _INCLUDED_WINDOWS_H
 #define _INCLUDED_WINDOWS_H
 
+#if defined(__WIN32__)
 #define WIN32_LEAN_AND_MEAN
 #define STRICT
 #ifndef UNICODE
@@ -31,6 +32,7 @@
 #endif
 #undef _WIN32_WINNT
 #define _WIN32_WINNT  0x501   /* Need 0x410 for AlphaBlend() and 0x500 for EnumDisplayDevices(), 0x501 for raw input */
+#endif
 
 #include <windows.h>
 
@@ -43,6 +45,9 @@
 #define WIN_UTF8ToString(S) SDL_iconv_string("ASCII", "UTF-8", (char *)(S), SDL_strlen(S)+1)
 #endif
 
+/* Sets an error message based on a given HRESULT */
+extern int WIN_SetErrorFromHRESULT(const char *prefix, HRESULT hr);
+
 /* Sets an error message based on GetLastError(). Always return -1. */
 extern int WIN_SetError(const char *prefix);
 

src/core/windowsrt/SDL_winrtpaths.cpp

@@ -0,0 +1,94 @@
+/* TODO, WinRT: include copyright info in SDL_winrtpaths.cpp
+   TODO, WinRT: add note to SDL_winrtpaths.cpp mentioning that /ZW must be used when compiling the file
+*/
+
+#include "SDL_config.h"
+
+#ifdef __WINRT__
+
+extern "C" {
+#include "SDL_error.h"
+#include "SDL_stdinc.h"
+#include "SDL_system.h"
+#include "../windows/SDL_windows.h"
+}
+
+#include <string>
+#include <unordered_map>
+
+using namespace std;
+using namespace Windows::Storage;
+
+extern "C" const wchar_t *
+SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path pathType)
+{
+    switch (pathType) {
+        case SDL_WINRT_PATH_INSTALLED_LOCATION:
+        {
+            static wstring path;
+            if (path.empty()) {
+                path = Windows::ApplicationModel::Package::Current->InstalledLocation->Path->Data();
+            }
+            return path.c_str();
+        }
+
+        case SDL_WINRT_PATH_LOCAL_FOLDER:
+        {
+            static wstring path;
+            if (path.empty()) {
+                path = ApplicationData::Current->LocalFolder->Path->Data();
+            }
+            return path.c_str();
+        }
+
+#if WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP
+        case SDL_WINRT_PATH_ROAMING_FOLDER:
+        {
+            static wstring path;
+            if (path.empty()) {
+                path = ApplicationData::Current->RoamingFolder->Path->Data();
+            }
+            return path.c_str();
+        }
+
+        case SDL_WINRT_PATH_TEMP_FOLDER:
+        {
+            static wstring path;
+            if (path.empty()) {
+                path = ApplicationData::Current->TemporaryFolder->Path->Data();
+            }
+            return path.c_str();
+        }
+#endif
+
+        default:
+            break;
+    }
+
+    SDL_Unsupported();
+    return NULL;
+}
+
+extern "C" const char *
+SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType)
+{
+    typedef unordered_map<SDL_WinRT_Path, string> UTF8PathMap;
+    static UTF8PathMap utf8Paths;
+
+    UTF8PathMap::iterator searchResult = utf8Paths.find(pathType);
+    if (searchResult != utf8Paths.end()) {
+        return searchResult->second.c_str();
+    }
+
+    const wchar_t * ucs2Path = SDL_WinRTGetFSPathUNICODE(pathType);
+    if (!ucs2Path) {
+        return NULL;
+    }
+
+    char * utf8Path = WIN_StringToUTF8(ucs2Path);
+    utf8Paths[pathType] = utf8Path;
+    SDL_free(utf8Path);
+    return utf8Paths[pathType].c_str();
+}
+
+#endif /* __WINRT__ */

src/joystick/SDL_sysjoystick.h

@@ -108,7 +108,7 @@ extern SDL_JoystickGUID SDL_SYS_JoystickGetDeviceGUID(int device_index);
 /* Function to return the stable GUID for a opened joystick */
 extern SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick);
 
-#ifdef SDL_JOYSTICK_DINPUT
+#if defined(SDL_JOYSTICK_DINPUT) || defined(SDL_JOYSTICK_XINPUT)
 /* Function to get the current instance id of the joystick located at device_index */
 extern SDL_bool SDL_SYS_IsXInputDeviceIndex( int device_index );
 #endif

src/joystick/windowsrt/SDL_xinputjoystick.c

@@ -0,0 +1,435 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2013 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_config.h"
+
+#if SDL_JOYSTICK_XINPUT
+
+/* SDL_xinputjoystick.c implements an XInput-only joystick and game controller
+   backend that is suitable for use on WinRT.  SDL's DirectInput backend, also
+   XInput-capable, was not used as DirectInput is not available on WinRT (or,
+   at least, it isn't a public API).  Some portions of this XInput backend
+   may copy parts of the XInput-using code from the DirectInput backend.
+   Refactoring the common parts into one location may be good to-do at some
+   point.
+
+   TODO, WinRT: add hotplug support for XInput based game controllers
+*/
+
+#include "SDL_joystick.h"
+#include "../SDL_sysjoystick.h"
+#include "../SDL_joystick_c.h"
+#include "SDL_events.h"
+#include "../../events/SDL_events_c.h"
+
+#include <Windows.h>
+#include <Xinput.h>
+
+struct joystick_hwdata {
+    //Uint8 bXInputHaptic; // Supports force feedback via XInput.
+    DWORD userIndex;    // The XInput device index, in the range [0, XUSER_MAX_COUNT-1] (probably [0,3]).
+    XINPUT_STATE XInputState;   // the last-read in XInputState, kept around to compare old and new values
+    SDL_bool isDeviceConnected; // was the device connected (on the last polling, or during backend-initialization)?
+    SDL_bool isDeviceRemovalEventPending;   // was the device removed, and is the associated removal event pending?
+};
+
+/* Keep track of data on all XInput devices, regardless of whether or not
+   they've been opened (via SDL_JoystickOpen).
+ */
+static struct joystick_hwdata g_XInputData[XUSER_MAX_COUNT];
+
+/* Function to scan the system for joysticks.
+ * It should return 0, or -1 on an unrecoverable fatal error.
+ */
+int
+SDL_SYS_JoystickInit(void)
+{
+    HRESULT result = S_OK;
+    XINPUT_STATE tempXInputState;
+    int i;
+
+    SDL_zero(g_XInputData);
+
+    /* Make initial notes on whether or not devices are connected (or not).
+     */
+    for (i = 0; i < XUSER_MAX_COUNT; ++i) {
+        result = XInputGetState(i, &tempXInputState);
+        if (result == ERROR_SUCCESS) {
+            g_XInputData[i].isDeviceConnected = SDL_TRUE;
+        }
+    }
+
+    return (0);
+}
+
+int SDL_SYS_NumJoysticks()
+{
+    int joystickCount = 0;
+    DWORD i;
+
+    /* Iterate through each possible XInput device and see if something
+       was connected (at joystick init, or during the last polling).
+     */
+    for (i = 0; i < XUSER_MAX_COUNT; ++i) {
+        if (g_XInputData[i].isDeviceConnected) {
+            ++joystickCount;
+        }
+    }
+
+    return joystickCount;
+}
+
+void SDL_SYS_JoystickDetect()
+{
+    DWORD i;
+    XINPUT_STATE tempXInputState;
+    HRESULT result;
+    SDL_Event event;
+
+    /* Iterate through each possible XInput device, seeing if any devices
+       have been connected, or if they were removed.
+     */
+    for (i = 0; i < XUSER_MAX_COUNT; ++i) {
+        /* See if any new devices are connected. */
+        if (!g_XInputData[i].isDeviceConnected && !g_XInputData[i].isDeviceRemovalEventPending) {
+            result = XInputGetState(i, &tempXInputState);
+            if (result == ERROR_SUCCESS) {
+                /* Yup, a device is connected.  Mark the device as connected,
+                   then tell others about it (via an SDL_JOYDEVICEADDED event.)
+                 */
+                g_XInputData[i].isDeviceConnected = SDL_TRUE;
+
+#if !SDL_EVENTS_DISABLED
+                SDL_zero(event);
+                event.type = SDL_JOYDEVICEADDED;
+                
+                if (SDL_GetEventState(event.type) == SDL_ENABLE) {
+                    event.jdevice.which = i;
+                    if ((SDL_EventOK == NULL)
+                        || (*SDL_EventOK) (SDL_EventOKParam, &event)) {
+                        SDL_PushEvent(&event);
+                    }
+                }
+#endif
+            }
+        } else if (g_XInputData[i].isDeviceRemovalEventPending) {
+            /* A device was previously marked as removed (by
+               SDL_SYS_JoystickUpdate).  Tell others about the device removal.
+            */
+
+            g_XInputData[i].isDeviceRemovalEventPending = SDL_FALSE;
+
+#if !SDL_EVENTS_DISABLED
+            SDL_zero(event);
+            event.type = SDL_JOYDEVICEREMOVED;
+                
+            if (SDL_GetEventState(event.type) == SDL_ENABLE) {
+                event.jdevice.which = i; //joystick->hwdata->userIndex;
+                if ((SDL_EventOK == NULL)
+                    || (*SDL_EventOK) (SDL_EventOKParam, &event)) {
+                    SDL_PushEvent(&event);
+                }
+            }
+#endif
+        }
+    }
+}
+
+SDL_bool SDL_SYS_JoystickNeedsPolling()
+{
+    /* Since XInput, or WinRT, provides any events to indicate when a game
+       controller gets connected, and instead indicates device availability
+       solely through polling, we'll poll (for new devices).
+     */
+    return SDL_TRUE;
+}
+
+/* Internal function to retreive device capabilities.
+   This function will return an SDL-standard value of 0 on success
+   (a device is connected, and data on it was retrieved), or -1
+   on failure (no device was connected, or some other error
+   occurred.  SDL_SetError() will be invoked to set an appropriate
+   error message.
+ */
+static int
+SDL_XInput_GetDeviceCapabilities(int device_index, XINPUT_CAPABILITIES * pDeviceCaps)
+{
+    HRESULT dwResult;
+
+    /* Make sure that the device index is a valid one.  If not, return to the
+       caller with an error.
+     */
+    if (device_index < 0 || device_index >= XUSER_MAX_COUNT) {
+        return SDL_SetError("invalid/unavailable device index");
+    }
+
+    /* See if a device exists, and if so, what its capabilities are.  If a
+       device is not available, return to the caller with an error.
+     */
+    switch ((dwResult = XInputGetCapabilities(device_index, 0, pDeviceCaps))) {
+        case ERROR_SUCCESS:
+            /* A device is available, and its capabilities were retrieved! */
+            return 0;
+        case ERROR_DEVICE_NOT_CONNECTED:
+            return SDL_SetError("no device is connected at joystick index, %d", device_index);
+        default:
+            return SDL_SetError("an unknown error occurred when retrieving info on a device at joystick index, %d", device_index);
+    }
+}
+
+/* Function to get the device-dependent name of a joystick */
+const char *
+SDL_SYS_JoystickNameForDeviceIndex(int device_index)
+{
+    XINPUT_CAPABILITIES deviceCaps;
+
+    if (SDL_XInput_GetDeviceCapabilities(device_index, &deviceCaps) != 0) {
+        /* Uh oh.  Device capabilities couldn't be retrieved.  Return to the
+           caller.  SDL_SetError() has already been invoked (with relevant
+           information).
+         */
+        return NULL;
+    }
+
+    switch (deviceCaps.SubType) {
+        default:
+            if (deviceCaps.Type == XINPUT_DEVTYPE_GAMEPAD) {
+                return "Undefined game controller";
+            } else {
+                return "Undefined controller";
+            }
+        case XINPUT_DEVSUBTYPE_UNKNOWN:
+            if (deviceCaps.Type == XINPUT_DEVTYPE_GAMEPAD) {
+                return "Unknown game controller";
+            } else {
+                return "Unknown controller";
+            }
+        case XINPUT_DEVSUBTYPE_GAMEPAD:
+            return "Gamepad controller";
+        case XINPUT_DEVSUBTYPE_WHEEL:
+            return "Racing wheel controller";
+        case XINPUT_DEVSUBTYPE_ARCADE_STICK:
+            return "Arcade stick controller";
+        case XINPUT_DEVSUBTYPE_FLIGHT_STICK:
+            return "Flight stick controller";
+        case XINPUT_DEVSUBTYPE_DANCE_PAD:
+            return "Dance pad controller";
+        case XINPUT_DEVSUBTYPE_GUITAR:
+            return "Guitar controller";
+        case XINPUT_DEVSUBTYPE_GUITAR_ALTERNATE:
+            return "Guitar controller, Alternate";
+        case XINPUT_DEVSUBTYPE_GUITAR_BASS:
+            return "Guitar controller, Bass";
+        case XINPUT_DEVSUBTYPE_DRUM_KIT:
+            return "Drum controller";
+        case XINPUT_DEVSUBTYPE_ARCADE_PAD:
+            return "Arcade pad controller";
+    }
+}
+
+/* Function to perform the mapping from device index to the instance id for this index */
+SDL_JoystickID SDL_SYS_GetInstanceIdOfDeviceIndex(int device_index)
+{
+    return device_index;
+}
+
+/* Function to open a joystick for use.
+   The joystick to open is specified by the index field of the joystick.
+   This should fill the nbuttons and naxes fields of the joystick structure.
+   It returns 0, or -1 if there is an error.
+ */
+int
+SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index)
+{
+    XINPUT_CAPABILITIES deviceCaps;
+
+    if (SDL_XInput_GetDeviceCapabilities(device_index, &deviceCaps) != 0) {
+        /* Uh oh.  Device capabilities couldn't be retrieved.  Return to the
+           caller.  SDL_SetError() has already been invoked (with relevant
+           information).
+         */
+        return -1;
+    }
+
+    /* For now, only game pads are supported.  If the device is something other
+       than that, return an error to the caller.
+     */
+    if (deviceCaps.Type != XINPUT_DEVTYPE_GAMEPAD) {
+        return SDL_SetError("a device is connected (at joystick index, %d), but it is of an unknown device type (deviceCaps.Flags=%ul)",
+            device_index, (unsigned int)deviceCaps.Flags);
+    }
+
+    /* Create the joystick data structure */
+    joystick->instance_id = device_index;
+    joystick->hwdata = &g_XInputData[device_index];
+
+    // The XInput API has a hard coded button/axis mapping, so we just match it
+    joystick->naxes = 6;
+    joystick->nbuttons = 15;
+    joystick->nballs = 0;
+    joystick->nhats = 0;
+
+    /* We're done! */
+    return (0);
+}
+
+/* Function to determine is this joystick is attached to the system right now */
+SDL_bool SDL_SYS_JoystickAttached(SDL_Joystick *joystick)
+{
+    return joystick->hwdata->isDeviceConnected;
+}
+
+/* Function to return > 0 if a bit array of buttons differs after applying a mask
+*/
+static int ButtonChanged( int ButtonsNow, int ButtonsPrev, int ButtonMask )
+{
+    return ( ButtonsNow & ButtonMask ) != ( ButtonsPrev & ButtonMask );
+}
+
+/* Function to update the state of a joystick - called as a device poll.
+ * This function shouldn't update the joystick structure directly,
+ * but instead should call SDL_PrivateJoystick*() to deliver events
+ * and update joystick device state.
+ */
+void
+SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
+{
+    HRESULT result;
+
+    /* Before polling for new data, make note of the old data */
+    XINPUT_STATE prevXInputState = joystick->hwdata->XInputState;
+
+    /* Poll for new data */
+    result = XInputGetState(joystick->hwdata->userIndex, &joystick->hwdata->XInputState);
+    if (result == ERROR_DEVICE_NOT_CONNECTED) {
+        if (joystick->hwdata->isDeviceConnected) {
+            joystick->hwdata->isDeviceConnected = SDL_FALSE;
+            joystick->hwdata->isDeviceRemovalEventPending = SDL_TRUE;
+            /* TODO, WinRT: make sure isDeviceRemovalEventPending gets cleared as appropriate, and that quick re-plugs don't cause trouble */
+        }
+        return;
+    }
+
+    /* Make sure the device is marked as connected */
+    joystick->hwdata->isDeviceConnected = SDL_TRUE;
+
+    // only fire events if the data changed from last time
+    if ( joystick->hwdata->XInputState.dwPacketNumber != 0 
+        && joystick->hwdata->XInputState.dwPacketNumber != prevXInputState.dwPacketNumber )
+    {
+        XINPUT_STATE *pXInputState = &joystick->hwdata->XInputState;
+        XINPUT_STATE *pXInputStatePrev = &prevXInputState;
+
+        SDL_PrivateJoystickAxis(joystick, 0, (Sint16)pXInputState->Gamepad.sThumbLX );
+        SDL_PrivateJoystickAxis(joystick, 1, (Sint16)(-1*pXInputState->Gamepad.sThumbLY-1) );
+        SDL_PrivateJoystickAxis(joystick, 2, (Sint16)pXInputState->Gamepad.sThumbRX );
+        SDL_PrivateJoystickAxis(joystick, 3, (Sint16)(-1*pXInputState->Gamepad.sThumbRY-1) );
+        SDL_PrivateJoystickAxis(joystick, 4, (Sint16)((int)pXInputState->Gamepad.bLeftTrigger*32767/255) );
+        SDL_PrivateJoystickAxis(joystick, 5, (Sint16)((int)pXInputState->Gamepad.bRightTrigger*32767/255) );
+
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_DPAD_UP ) )
+            SDL_PrivateJoystickButton(joystick, 0, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_UP ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_DPAD_DOWN ) )
+            SDL_PrivateJoystickButton(joystick, 1, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_DOWN ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_DPAD_LEFT ) )
+            SDL_PrivateJoystickButton(joystick, 2, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_LEFT ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_DPAD_RIGHT ) )
+            SDL_PrivateJoystickButton(joystick, 3, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_RIGHT ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_START ) )
+            SDL_PrivateJoystickButton(joystick, 4, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_START ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_BACK ) )
+            SDL_PrivateJoystickButton(joystick, 5, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_BACK ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_LEFT_THUMB ) )
+            SDL_PrivateJoystickButton(joystick, 6, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_THUMB ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_RIGHT_THUMB ) )
+            SDL_PrivateJoystickButton(joystick, 7, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_THUMB ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_LEFT_SHOULDER ) )
+            SDL_PrivateJoystickButton(joystick, 8, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_SHOULDER ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_RIGHT_SHOULDER ) )
+            SDL_PrivateJoystickButton(joystick, 9, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_SHOULDER ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_A ) )
+            SDL_PrivateJoystickButton(joystick, 10, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_A ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_B ) )
+            SDL_PrivateJoystickButton(joystick, 11, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_B ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_X ) )
+            SDL_PrivateJoystickButton(joystick, 12, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_X ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons, XINPUT_GAMEPAD_Y ) )
+            SDL_PrivateJoystickButton(joystick, 13, pXInputState->Gamepad.wButtons & XINPUT_GAMEPAD_Y ? SDL_PRESSED :	SDL_RELEASED );
+        if ( ButtonChanged( pXInputState->Gamepad.wButtons, pXInputStatePrev->Gamepad.wButtons,  0x400 ) )
+            SDL_PrivateJoystickButton(joystick, 14, pXInputState->Gamepad.wButtons & 0x400 ? SDL_PRESSED :	SDL_RELEASED ); // 0x400 is the undocumented code for the guide button
+    }
+}
+
+/* Function to close a joystick after use */
+void
+SDL_SYS_JoystickClose(SDL_Joystick * joystick)
+{
+    /* Clear cached button data on the joystick */
+    SDL_zero(joystick->hwdata->XInputState);
+
+    /* There's need to free 'hwdata', as it's a pointer to a global array.
+       The field will be cleared anyways, just to indicate that it's not
+       currently needed.
+     */
+    joystick->hwdata = NULL;
+}
+
+/* Function to perform any system-specific joystick related cleanup */
+void
+SDL_SYS_JoystickQuit(void)
+{
+    return;
+}
+
+SDL_JoystickGUID SDL_SYS_JoystickGetDeviceGUID( int device_index )
+{
+    SDL_JoystickGUID guid;
+    // the GUID is just the first 16 chars of the name for now
+    const char *name = SDL_SYS_JoystickNameForDeviceIndex( device_index );
+    SDL_zero( guid );
+    SDL_memcpy( &guid, name, SDL_min( sizeof(guid), SDL_strlen( name ) ) );
+    return guid;
+}
+
+
+SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick)
+{
+    SDL_JoystickGUID guid;
+    // the GUID is just the first 16 chars of the name for now
+    const char *name = joystick->name;
+    SDL_zero( guid );
+    SDL_memcpy( &guid, name, SDL_min( sizeof(guid), SDL_strlen( name ) ) );
+    return guid;
+}
+
+SDL_bool SDL_SYS_IsXInputDeviceIndex(int device_index)
+{
+    /* The XInput-capable DirectInput joystick backend implements the same
+       function (SDL_SYS_IsXInputDeviceIndex), however in that case, not all
+       joystick devices are XInput devices.  In this case, with the
+       WinRT-enabled XInput-only backend, all "joystick" devices are XInput
+       devices.
+     */
+    return SDL_TRUE;
+}
+
+#endif /* SDL_JOYSTICK_XINPUT */
+
+/* vi: set ts=4 sw=4 expandtab: */

src/loadso/windows/SDL_sysloadso.c

@@ -33,7 +33,15 @@ void *
 SDL_LoadObject(const char *sofile)
 {
     LPTSTR tstr = WIN_UTF8ToString(sofile);
+#ifdef __WINRT__
+    /* WinRT only publically supports LoadPackagedLibrary() for loading .dll
+       files.  LoadLibrary() is a private API, and not available for apps
+       (that can be published to MS' Windows Store.)
+    */
+    void *handle = (void *) LoadPackagedLibrary(tstr, 0);
+#else
     void *handle = (void *) LoadLibrary(tstr);
+#endif
     SDL_free(tstr);
 
     /* Generate an error message if all loads failed */

src/main/windowsrt/SDL_winrt_main.cpp

@@ -0,0 +1,14 @@
+
+//#include "pch.h"
+
+// The app's C-style main will be passed into SDL.dll as a function
+// pointer, and called at the appropriate time.
+typedef int (*SDLmain_MainFunction)(int, char **);
+extern __declspec(dllimport) int SDL_WinRT_RunApplication(SDLmain_MainFunction mainFunction);
+extern "C" int SDL_main(int, char **);
+
+[Platform::MTAThread]
+int main(Platform::Array<Platform::String^>^)
+{
+    return SDL_WinRT_RunApplication(SDL_main);
+}

src/render/SDL_sysrender.h

@@ -166,6 +166,9 @@ struct SDL_RenderDriver
 #if SDL_VIDEO_RENDER_D3D
 extern SDL_RenderDriver D3D_RenderDriver;
 #endif
+#if SDL_VIDEO_RENDER_D3D11
+extern SDL_RenderDriver D3D11_RenderDriver;
+#endif
 #if SDL_VIDEO_RENDER_OGL
 extern SDL_RenderDriver GL_RenderDriver;
 #endif

src/render/direct3d11/SDL_D3D11_PixelShader_FixedColor.hlsl

@@ -0,0 +1,12 @@
+
+struct PixelShaderInput
+{
+    float4 pos : SV_POSITION;
+    float2 tex : TEXCOORD0;
+    float4 color : COLOR0;
+};
+
+float4 main(PixelShaderInput input) : SV_TARGET
+{
+    return input.color;
+}

src/render/direct3d11/SDL_D3D11_PixelShader_TextureColored.hlsl

@@ -0,0 +1,14 @@
+Texture2D theTexture : register(t0);
+SamplerState theSampler : register(s0);
+
+struct PixelShaderInput
+{
+    float4 pos : SV_POSITION;
+    float2 tex : TEXCOORD0;
+    float4 color : COLOR0;
+};
+
+float4 main(PixelShaderInput input) : SV_TARGET
+{
+    return theTexture.Sample(theSampler, input.tex) * input.color;
+}

src/render/direct3d11/SDL_D3D11_VertexShader_Default.hlsl

@@ -0,0 +1,41 @@
+
+#pragma pack_matrix( row_major )
+
+cbuffer SDL_VertexShaderConstants : register(b0)
+{
+    matrix model;
+    matrix view;
+    matrix projection;
+};
+
+struct VertexShaderInput
+{
+    float3 pos : POSITION;
+    float2 tex : TEXCOORD0;
+    float4 color : COLOR0;
+};
+
+struct VertexShaderOutput
+{
+    float4 pos : SV_POSITION;
+    float2 tex : TEXCOORD0;
+    float4 color : COLOR0;
+};
+
+VertexShaderOutput main(VertexShaderInput input)
+{
+    VertexShaderOutput output;
+    float4 pos = float4(input.pos, 1.0f);
+
+    // Transform the vertex position into projected space.
+    pos = mul(pos, model);
+    pos = mul(pos, view);
+    pos = mul(pos, projection);
+    output.pos = pos;
+
+    // Pass through texture coordinates and color values without transformation
+    output.tex = input.tex;
+    output.color = input.color;
+
+    return output;
+}

src/render/direct3d11/SDL_render_d3d11_cpp.h

@@ -0,0 +1,84 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 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_config.h"
+
+#include <D3D11_1.h>
+#include <DirectXMath.h>
+#include <wrl/client.h>
+#include <vector>
+
+struct SDL_VertexShaderConstants
+{
+    DirectX::XMFLOAT4X4 model;
+    DirectX::XMFLOAT4X4 view;
+    DirectX::XMFLOAT4X4 projection;
+};
+
+typedef struct
+{
+    Microsoft::WRL::ComPtr<ID3D11Device1> d3dDevice;
+    Microsoft::WRL::ComPtr<ID3D11DeviceContext1> d3dContext;
+    Microsoft::WRL::ComPtr<IDXGISwapChain1> swapChain;
+    Microsoft::WRL::ComPtr<ID3D11RenderTargetView> mainRenderTargetView;
+    Microsoft::WRL::ComPtr<ID3D11RenderTargetView> currentOffscreenRenderTargetView;
+    Microsoft::WRL::ComPtr<ID3D11InputLayout> inputLayout;
+    Microsoft::WRL::ComPtr<ID3D11Buffer> vertexBuffer;
+    Microsoft::WRL::ComPtr<ID3D11VertexShader> vertexShader;
+    Microsoft::WRL::ComPtr<ID3D11PixelShader> texturePixelShader;
+    Microsoft::WRL::ComPtr<ID3D11PixelShader> colorPixelShader;
+    Microsoft::WRL::ComPtr<ID3D11BlendState> blendModeBlend;
+    Microsoft::WRL::ComPtr<ID3D11BlendState> blendModeAdd;
+    Microsoft::WRL::ComPtr<ID3D11BlendState> blendModeMod;
+    Microsoft::WRL::ComPtr<ID3D11SamplerState> mainSampler;
+    Microsoft::WRL::ComPtr<ID3D11RasterizerState> mainRasterizer;
+    D3D_FEATURE_LEVEL featureLevel;
+
+    // Vertex buffer constants:
+    SDL_VertexShaderConstants vertexShaderConstantsData;
+    Microsoft::WRL::ComPtr<ID3D11Buffer> vertexShaderConstants;
+
+    // Cached renderer properties.
+    DirectX::XMFLOAT2 windowSizeInDIPs;
+    DirectX::XMFLOAT2 renderTargetSize;
+    Windows::Graphics::Display::DisplayOrientations orientation;
+
+    // Transform used for display orientation.
+    DirectX::XMFLOAT4X4 orientationTransform3D;
+} D3D11_RenderData;
+
+typedef struct
+{
+    Microsoft::WRL::ComPtr<ID3D11Texture2D> mainTexture;
+    Microsoft::WRL::ComPtr<ID3D11ShaderResourceView> mainTextureResourceView;
+    Microsoft::WRL::ComPtr<ID3D11RenderTargetView> mainTextureRenderTargetView;
+    SDL_PixelFormat * pixelFormat;
+    Microsoft::WRL::ComPtr<ID3D11Texture2D> stagingTexture;
+    DirectX::XMINT2 lockedTexturePosition;
+} D3D11_TextureData;
+
+struct VertexPositionColor
+{
+    DirectX::XMFLOAT3 pos;
+    DirectX::XMFLOAT2 tex;
+    DirectX::XMFLOAT4 color;
+};
+
+/* vi: set ts=4 sw=4 expandtab: */

src/thread/SDL_thread_c.h

@@ -36,6 +36,8 @@
 #include "windows/SDL_systhread_c.h"
 #elif SDL_THREAD_PSP
 #include "psp/SDL_systhread_c.h"
+#elif SDL_THREAD_STDCPP
+#include "stdcpp/SDL_systhread_c.h"
 #else
 #error Need thread implementation for this platform
 #include "generic/SDL_systhread_c.h"

src/thread/stdcpp/SDL_syscond.cpp

@@ -0,0 +1,183 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 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_config.h"
+
+extern "C" {
+#include "SDL_thread.h"
+}
+
+#include <chrono>
+#include <condition_variable>
+#include <exception>
+#include <ratio>
+
+#include "SDL_sysmutex_c.h"
+
+struct SDL_cond
+{
+    std::condition_variable_any cpp_cond;
+};
+
+/* Create a condition variable */
+extern "C"
+SDL_cond *
+SDL_CreateCond(void)
+{
+    /* Allocate and initialize the condition variable */
+    try {
+        SDL_cond * cond = new SDL_cond;
+        return cond;
+    } catch (std::exception & ex) {
+        SDL_SetError("unable to create C++ condition variable: %s", ex.what());
+        return NULL;
+    } catch (...) {
+        SDL_SetError("unable to create C++ condition variable due to an unknown exception");
+        return NULL;
+    }
+}
+
+/* Destroy a condition variable */
+extern "C"
+void
+SDL_DestroyCond(SDL_cond * cond)
+{
+    if (cond) {
+        try {
+            delete cond;
+        } catch (...) {
+            // catch any and all exceptions, just in case something happens
+        }
+    }
+}
+
+/* Restart one of the threads that are waiting on the condition variable */
+extern "C"
+int
+SDL_CondSignal(SDL_cond * cond)
+{
+    if (!cond) {
+        SDL_SetError("Passed a NULL condition variable");
+        return -1;
+    }
+
+    try {
+        cond->cpp_cond.notify_one();
+        return 0;
+    } catch (...) {
+        // catch any and all exceptions, just in case something happens
+        SDL_SetError("unable to signal C++ condition variable due to an unknown exception");
+        return -1;
+    }
+}
+
+/* Restart all threads that are waiting on the condition variable */
+extern "C"
+int
+SDL_CondBroadcast(SDL_cond * cond)
+{
+    if (!cond) {
+        SDL_SetError("Passed a NULL condition variable");
+        return -1;
+    }
+
+    try {
+        cond->cpp_cond.notify_all();
+        return 0;
+    } catch (...) {
+        // catch any and all exceptions, just in case something happens
+        SDL_SetError("unable to broadcast C++ condition variable due to an unknown exception");
+        return -1;
+    }
+}
+
+/* Wait on the condition variable for at most 'ms' milliseconds.
+   The mutex must be locked before entering this function!
+   The mutex is unlocked during the wait, and locked again after the wait.
+
+Typical use:
+
+Thread A:
+    SDL_LockMutex(lock);
+    while ( ! condition ) {
+        SDL_CondWait(cond, lock);
+    }
+    SDL_UnlockMutex(lock);
+
+Thread B:
+    SDL_LockMutex(lock);
+    ...
+    condition = true;
+    ...
+    SDL_CondSignal(cond);
+    SDL_UnlockMutex(lock);
+ */
+extern "C"
+int
+SDL_CondWaitTimeout(SDL_cond * cond, SDL_mutex * mutex, Uint32 ms)
+{
+    if (!cond) {
+        SDL_SetError("Passed a NULL condition variable");
+        return -1;
+    }
+
+    if (!mutex) {
+        SDL_SetError("Passed a NULL mutex variable");
+        return -1;
+    }
+
+    try {
+        std::unique_lock<std::recursive_mutex> cpp_lock(mutex->cpp_mutex, std::defer_lock_t());
+        if (ms == SDL_MUTEX_MAXWAIT) {
+            cond->cpp_cond.wait(
+                cpp_lock
+                );
+            cpp_lock.release();
+            return 0;
+        } else {
+            auto wait_result = cond->cpp_cond.wait_for(
+                cpp_lock,
+                std::chrono::duration<Uint32, std::milli>(ms)
+                );
+            cpp_lock.release();
+            if (wait_result == std::cv_status::timeout) {
+                return SDL_MUTEX_TIMEDOUT;
+            } else {
+                return 0;
+            }
+        }
+    } catch (std::exception & ex) {
+        SDL_SetError("unable to wait on C++ condition variable: %s", ex.what());
+        return -1;
+    } catch (...) {
+        SDL_SetError("unable to lock wait on C++ condition variable due to an unknown exception");
+        return -1;
+    }
+}
+
+/* Wait on the condition variable forever */
+extern "C"
+int
+SDL_CondWait(SDL_cond * cond, SDL_mutex * mutex)
+{
+    return SDL_CondWaitTimeout(cond, mutex, SDL_MUTEX_MAXWAIT);
+}
+
+/* vi: set ts=4 sw=4 expandtab: */

src/thread/stdcpp/SDL_sysmutex.cpp

@@ -0,0 +1,113 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 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_config.h"
+
+extern "C" {
+#include "SDL_thread.h"
+#include "SDL_systhread_c.h"
+#include "SDL_log.h"
+}
+
+#include <exception>
+
+#include "SDL_sysmutex_c.h"
+#include <Windows.h>
+
+
+/* Create a mutex */
+extern "C"
+SDL_mutex *
+SDL_CreateMutex(void)
+{
+    /* Allocate and initialize the mutex */
+    try {
+        SDL_mutex * mutex = new SDL_mutex;
+        return mutex;
+    } catch (std::exception & ex) {
+        SDL_SetError("unable to create C++ mutex: %s", ex.what());
+        return NULL;
+    } catch (...) {
+        SDL_SetError("unable to create C++ mutex due to an unknown exception");
+        return NULL;
+    }
+}
+
+/* Free the mutex */
+extern "C"
+void
+SDL_DestroyMutex(SDL_mutex * mutex)
+{
+    if (mutex) {
+        try {
+            delete mutex;
+        } catch (...) {
+            // catch any and all exceptions, just in case something happens
+        }
+    }
+}
+
+/* Lock the semaphore */
+extern "C"
+int
+SDL_mutexP(SDL_mutex * mutex)
+{
+    SDL_threadID threadID = SDL_ThreadID();
+    DWORD realThreadID = GetCurrentThreadId();
+    if (mutex == NULL) {
+        SDL_SetError("Passed a NULL mutex");
+        return -1;
+    }
+
+    try {
+        mutex->cpp_mutex.lock();
+        return 0;
+    } catch (std::exception & ex) {
+        SDL_SetError("unable to lock C++ mutex: %s", ex.what());
+        return -1;
+    } catch (...) {
+        SDL_SetError("unable to lock C++ mutex due to an unknown exception");
+        return -1;
+    }
+}
+
+/* Unlock the mutex */
+extern "C"
+int
+SDL_mutexV(SDL_mutex * mutex)
+{
+    SDL_threadID threadID = SDL_ThreadID();
+    DWORD realThreadID = GetCurrentThreadId();
+    if (mutex == NULL) {
+        SDL_SetError("Passed a NULL mutex");
+        return -1;
+    }
+
+    try {
+        mutex->cpp_mutex.unlock();
+        return 0;
+    } catch (...) {
+        // catch any and all exceptions, just in case something happens.
+        SDL_SetError("unable to unlock C++ mutex due to an unknown exception");
+        return -1;
+    }
+}
+
+/* vi: set ts=4 sw=4 expandtab: */

src/thread/stdcpp/SDL_sysmutex_c.h

@@ -0,0 +1,30 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 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_config.h"
+
+#include <mutex>
+
+struct SDL_mutex
+{
+    std::recursive_mutex cpp_mutex;
+};
+
+/* vi: set ts=4 sw=4 expandtab: */

src/thread/stdcpp/SDL_systhread.cpp

@@ -0,0 +1,124 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 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_config.h"
+
+/* Thread management routines for SDL */
+
+extern "C" {
+#include "SDL_thread.h"
+#include "../SDL_systhread.h"
+#include "../SDL_thread_c.h"
+#include "SDL_log.h"
+}
+
+#include <mutex>
+#include <thread>
+
+// HACK: Mimic C++11's thread_local keyword on Visual C++ 2012 (aka. VC++ 11)
+// TODO: make sure this hack doesn't get used if and when Visual C++ supports
+// the official, 'thread_local' keyword.
+#ifdef _MSC_VER
+#define thread_local __declspec(thread)
+// Documentation for __declspec(thread) can be found online at:
+// http://msdn.microsoft.com/en-us/library/2s9wt68x.aspx
+#endif
+
+static void
+RunThread(void *args)
+{
+    SDL_RunThread(args);
+}
+
+extern "C"
+int
+SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
+{
+    try {
+        std::thread cpp_thread(RunThread, args);
+        thread->handle = (void *) new std::thread(std::move(cpp_thread));
+        return 0;
+    } catch (std::exception & ex) {
+        SDL_SetError("unable to create a C++ thread: %s", ex.what());
+        return -1;
+    } catch (...) {
+        SDL_SetError("unable to create a C++ thread due to an unknown exception");
+        return -1;
+    }
+}
+
+extern "C"
+void
+SDL_SYS_SetupThread(const char *name)
+{
+    // Make sure a thread ID gets assigned ASAP, for debugging purposes:
+    SDL_ThreadID();
+    return;
+}
+
+extern "C"
+SDL_threadID
+SDL_ThreadID(void)
+{
+    static thread_local SDL_threadID current_thread_id = 0;
+    static SDL_threadID next_thread_id = 1;
+    static std::mutex next_thread_id_mutex;
+
+    if (current_thread_id == 0) {
+        std::lock_guard<std::mutex> lock(next_thread_id_mutex);
+        current_thread_id = next_thread_id;
+        ++next_thread_id;
+    }
+
+    return current_thread_id;
+}
+
+extern "C"
+int
+SDL_SYS_SetThreadPriority(SDL_ThreadPriority priority)
+{
+    // Thread priorities do not look to be settable via C++11's thread
+    // interface, at least as of this writing (Nov 2012).  std::thread does
+    // provide access to the OS' native handle, however, and some form of
+    // priority-setting could, in theory, be done through this interface.
+    return (0);
+}
+
+extern "C"
+void
+SDL_SYS_WaitThread(SDL_Thread * thread)
+{
+    if ( ! thread) {
+        return;
+    }
+
+    try {
+        std::thread * cpp_thread = (std::thread *) thread->handle;
+        if (cpp_thread->joinable()) {
+            cpp_thread->join();
+        }
+    } catch (...) {
+        // Catch any exceptions, just in case.
+        // Report nothing, as SDL_WaitThread does not seem to offer a means
+        // to report errors to its callers.
+    }
+}
+
+/* vi: set ts=4 sw=4 expandtab: */

src/thread/stdcpp/SDL_systhread_c.h

@@ -0,0 +1,26 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 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_config.h"
+
+/* For a thread handle, use a void pointer to a std::thread */
+typedef void * SYS_ThreadHandle;
+
+/* vi: set ts=4 sw=4 expandtab: */

src/video/SDL_sysvideo.h

@@ -343,6 +343,9 @@ extern VideoBootStrap DirectFB_bootstrap;
 #if SDL_VIDEO_DRIVER_WINDOWS
 extern VideoBootStrap WINDOWS_bootstrap;
 #endif
+#if SDL_VIDEO_DRIVER_WINRT
+extern VideoBootStrap WINRT_bootstrap;
+#endif
 #if SDL_VIDEO_DRIVER_BWINDOW
 extern VideoBootStrap BWINDOW_bootstrap;
 #endif

src/video/SDL_video.c

@@ -64,6 +64,9 @@ static VideoBootStrap *bootstrap[] = {
 #if SDL_VIDEO_DRIVER_WINDOWS
     &WINDOWS_bootstrap,
 #endif
+#if SDL_VIDEO_DRIVER_WINRT
+    &WINRT_bootstrap,
+#endif
 #if SDL_VIDEO_DRIVER_BWINDOW
     &BWINDOW_bootstrap,
 #endif

src/video/uikit/SDL_uikitwindow.m

@@ -202,7 +202,7 @@ UIKit_CreateWindow(_THIS, SDL_Window *window)
     if (external) {
         [uiwindow setScreen:data->uiscreen];
     }
-
+    
     if (SetupWindowData(_this, window, uiwindow, SDL_TRUE) < 0) {
         [uiwindow release];
         return -1;
@@ -301,10 +301,12 @@ SDL_bool
 UIKit_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
 {
     UIWindow *uiwindow = ((SDL_WindowData *) window->driverdata)->uiwindow;
+    UIViewController *uiviewcontroller = ((SDL_WindowData *) window->driverdata)->viewcontroller;
 
     if (info->version.major <= SDL_MAJOR_VERSION) {
         info->subsystem = SDL_SYSWM_UIKIT;
         info->info.uikit.window = uiwindow;
+        info->info.uikit.viewcontroller = uiviewcontroller;
         return SDL_TRUE;
     } else {
         SDL_SetError("Application not compiled with SDL %d.%d\n",

src/video/windowsrt/SDL_WinRTApp.cpp

@@ -0,0 +1,978 @@
+
+#include <string>
+#include <unordered_map>
+#include <sstream>
+
+#include "ppltasks.h"
+
+extern "C" {
+#include "SDL_assert.h"
+#include "SDL_events.h"
+#include "SDL_hints.h"
+#include "SDL_log.h"
+#include "SDL_stdinc.h"
+#include "SDL_render.h"
+#include "../SDL_sysvideo.h"
+#include "../../SDL_hints_c.h"
+#include "../../events/scancodes_windows.h"
+#include "../../events/SDL_mouse_c.h"
+#include "../../events/SDL_keyboard_c.h"
+#include "../../events/SDL_windowevents_c.h"
+#include "../../render/SDL_sysrender.h"
+}
+
+#include "SDL_winrtvideo.h"
+#include "SDL_WinRTApp.h"
+
+using namespace concurrency;
+using namespace std;
+using namespace Windows::ApplicationModel;
+using namespace Windows::ApplicationModel::Core;
+using namespace Windows::ApplicationModel::Activation;
+using namespace Windows::Devices::Input;
+using namespace Windows::Graphics::Display;
+using namespace Windows::Foundation;
+using namespace Windows::System;
+using namespace Windows::UI::Core;
+using namespace Windows::UI::Input;
+
+// Compile-time debugging options:
+// To enable, uncomment; to disable, comment them out.
+//#define LOG_POINTER_EVENTS 1
+//#define LOG_WINDOW_EVENTS 1
+//#define LOG_ORIENTATION_EVENTS 1
+
+
+// HACK, DLudwig: The C-style main() will get loaded via the app's
+// WinRT-styled main(), which is part of SDLmain_for_WinRT.cpp.
+// This seems wrong on some level, but does seem to work.
+typedef int (*SDL_WinRT_MainFunction)(int, char **);
+static SDL_WinRT_MainFunction SDL_WinRT_main = nullptr;
+
+// HACK, DLudwig: record a reference to the global, Windows RT 'app'/view.
+// SDL/WinRT will use this throughout its code.
+//
+// TODO, WinRT: consider replacing SDL_WinRTGlobalApp with something
+// non-global, such as something created inside
+// SDL_InitSubSystem(SDL_INIT_VIDEO), or something inside
+// SDL_CreateWindow().
+SDL_WinRTApp ^ SDL_WinRTGlobalApp = nullptr;
+
+ref class SDLApplicationSource sealed : Windows::ApplicationModel::Core::IFrameworkViewSource
+{
+public:
+    virtual Windows::ApplicationModel::Core::IFrameworkView^ CreateView();
+};
+
+IFrameworkView^ SDLApplicationSource::CreateView()
+{
+    // TODO, WinRT: see if this function (CreateView) can ever get called
+    // more than once.  For now, just prevent it from ever assigning
+    // SDL_WinRTGlobalApp more than once.
+    SDL_assert(!SDL_WinRTGlobalApp);
+    SDL_WinRTApp ^ app = ref new SDL_WinRTApp();
+    if (!SDL_WinRTGlobalApp)
+    {
+        SDL_WinRTGlobalApp = app;
+    }
+    return app;
+}
+
+__declspec(dllexport) int SDL_WinRT_RunApplication(SDL_WinRT_MainFunction mainFunction)
+{
+    SDL_WinRT_main = mainFunction;
+    auto direct3DApplicationSource = ref new SDLApplicationSource();
+    CoreApplication::Run(direct3DApplicationSource);
+    return 0;
+}
+
+static void WINRT_SetDisplayOrientationsPreference(const char *name, const char *oldValue, const char *newValue)
+{
+    SDL_assert(SDL_strcmp(name, SDL_HINT_ORIENTATIONS) == 0);
+
+    // Start with no orientation flags, then add each in as they're parsed
+    // from newValue.
+    unsigned int orientationFlags = 0;
+    std::istringstream tokenizer(newValue);
+    while (!tokenizer.eof()) {
+        std::string orientationName;
+        std::getline(tokenizer, orientationName, ' ');
+        if (orientationName == "LandscapeLeft") {
+            orientationFlags |= (unsigned int) DisplayOrientations::LandscapeFlipped;
+        } else if (orientationName == "LandscapeRight") {
+            orientationFlags |= (unsigned int) DisplayOrientations::Landscape;
+        } else if (orientationName == "Portrait") {
+            orientationFlags |= (unsigned int) DisplayOrientations::Portrait;
+        } else if (orientationName == "PortraitUpsideDown") {
+            orientationFlags |= (unsigned int) DisplayOrientations::PortraitFlipped;
+        }
+    }
+
+    // If no valid orientation flags were specified, use a reasonable set of defaults:
+    if (!orientationFlags) {
+        // TODO, WinRT: consider seeing if an app's default orientation flags can be found out via some API call(s).
+        orientationFlags = (unsigned int) ( \
+            DisplayOrientations::Landscape |
+            DisplayOrientations::LandscapeFlipped |
+            DisplayOrientations::Portrait |
+            DisplayOrientations::PortraitFlipped);
+    }
+
+    // Set the orientation/rotation preferences.  Please note that this does
+    // not constitute a 100%-certain lock of a given set of possible
+    // orientations.  According to Microsoft's documentation on Windows RT [1]
+    // when a device is not capable of being rotated, Windows may ignore
+    // the orientation preferences, and stick to what the device is capable of
+    // displaying.
+    //
+    // [1] Documentation on the 'InitialRotationPreference' setting for a
+    // Windows app's manifest file describes how some orientation/rotation
+    // preferences may be ignored.  See
+    // http://msdn.microsoft.com/en-us/library/windows/apps/hh700343.aspx
+    // for details.  Microsoft's "Display orientation sample" also gives an
+    // outline of how Windows treats device rotation
+    // (http://code.msdn.microsoft.com/Display-Orientation-Sample-19a58e93).
+    DisplayProperties::AutoRotationPreferences = (DisplayOrientations) orientationFlags;
+}
+
+SDL_WinRTApp::SDL_WinRTApp() :
+    m_windowClosed(false),
+    m_windowVisible(true),
+    m_sdlWindowData(NULL),
+    m_sdlVideoDevice(NULL),
+    m_useRelativeMouseMode(false)
+{
+}
+
+void SDL_WinRTApp::Initialize(CoreApplicationView^ applicationView)
+{
+    applicationView->Activated +=
+        ref new TypedEventHandler<CoreApplicationView^, IActivatedEventArgs^>(this, &SDL_WinRTApp::OnActivated);
+
+    CoreApplication::Suspending +=
+        ref new EventHandler<SuspendingEventArgs^>(this, &SDL_WinRTApp::OnSuspending);
+
+    CoreApplication::Resuming +=
+        ref new EventHandler<Platform::Object^>(this, &SDL_WinRTApp::OnResuming);
+
+    DisplayProperties::OrientationChanged +=
+        ref new DisplayPropertiesEventHandler(this, &SDL_WinRTApp::OnOrientationChanged);
+
+    // Register the hint, SDL_HINT_ORIENTATIONS, with SDL.  This needs to be
+    // done before the hint's callback is registered (as of Feb 22, 2013),
+    // otherwise the hint callback won't get registered.
+    //
+    // WinRT, TODO: see if an app's default orientation can be found out via WinRT API(s), then set the initial value of SDL_HINT_ORIENTATIONS accordingly.
+    SDL_SetHint(SDL_HINT_ORIENTATIONS, "LandscapeLeft LandscapeRight Portrait PortraitUpsideDown");
+    SDL_RegisterHintChangedCb(SDL_HINT_ORIENTATIONS, WINRT_SetDisplayOrientationsPreference);
+}
+
+void SDL_WinRTApp::OnOrientationChanged(Object^ sender)
+{
+#if LOG_ORIENTATION_EVENTS==1
+    CoreWindow^ window = CoreWindow::GetForCurrentThread();
+    if (window) {
+        SDL_Log("%s, current orientation=%d, native orientation=%d, auto rot. pref=%d, CoreWindow Size={%f,%f}\n",
+            __FUNCTION__,
+            (int)DisplayProperties::CurrentOrientation,
+            (int)DisplayProperties::NativeOrientation,
+            (int)DisplayProperties::AutoRotationPreferences,
+            window->Bounds.Width,
+            window->Bounds.Height);
+    } else {
+        SDL_Log("%s, current orientation=%d, native orientation=%d, auto rot. pref=%d\n",
+            __FUNCTION__,
+            (int)DisplayProperties::CurrentOrientation,
+            (int)DisplayProperties::NativeOrientation,
+            (int)DisplayProperties::AutoRotationPreferences);
+    }
+#endif
+}
+
+void SDL_WinRTApp::SetWindow(CoreWindow^ window)
+{
+#if LOG_WINDOW_EVENTS==1
+    SDL_Log("%s, current orientation=%d, native orientation=%d, auto rot. pref=%d, window Size={%f,%f}\n",
+        __FUNCTION__,
+        (int)DisplayProperties::CurrentOrientation,
+        (int)DisplayProperties::NativeOrientation,
+        (int)DisplayProperties::AutoRotationPreferences,
+        window->Bounds.Width,
+        window->Bounds.Height);
+#endif
+
+    window->SizeChanged += 
+        ref new TypedEventHandler<CoreWindow^, WindowSizeChangedEventArgs^>(this, &SDL_WinRTApp::OnWindowSizeChanged);
+
+    window->VisibilityChanged +=
+        ref new TypedEventHandler<CoreWindow^, VisibilityChangedEventArgs^>(this, &SDL_WinRTApp::OnVisibilityChanged);
+
+    window->Closed += 
+        ref new TypedEventHandler<CoreWindow^, CoreWindowEventArgs^>(this, &SDL_WinRTApp::OnWindowClosed);
+
+#if WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP
+    window->PointerCursor = ref new CoreCursor(CoreCursorType::Arrow, 0);
+#endif
+
+    window->PointerPressed +=
+        ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &SDL_WinRTApp::OnPointerPressed);
+
+    window->PointerReleased +=
+        ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &SDL_WinRTApp::OnPointerReleased);
+
+    window->PointerWheelChanged +=
+        ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &SDL_WinRTApp::OnPointerWheelChanged);
+
+    window->PointerMoved +=
+        ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &SDL_WinRTApp::OnPointerMoved);
+
+#if WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP
+    // Retrieves relative-only mouse movements:
+    Windows::Devices::Input::MouseDevice::GetForCurrentView()->MouseMoved +=
+        ref new TypedEventHandler<MouseDevice^, MouseEventArgs^>(this, &SDL_WinRTApp::OnMouseMoved);
+#endif
+
+    window->KeyDown +=
+        ref new TypedEventHandler<CoreWindow^, KeyEventArgs^>(this, &SDL_WinRTApp::OnKeyDown);
+
+    window->KeyUp +=
+        ref new TypedEventHandler<CoreWindow^, KeyEventArgs^>(this, &SDL_WinRTApp::OnKeyUp);
+}
+
+void SDL_WinRTApp::Load(Platform::String^ entryPoint)
+{
+}
+
+void SDL_WinRTApp::Run()
+{
+    if (SDL_WinRT_main)
+    {
+        // TODO, WinRT: pass the C-style main() a reasonably realistic
+        // representation of command line arguments.
+        int argc = 0;
+        char **argv = NULL;
+        SDL_WinRT_main(argc, argv);
+    }
+}
+
+void SDL_WinRTApp::PumpEvents()
+{
+    if (!m_windowClosed)
+    {
+        if (m_windowVisible)
+        {
+            CoreWindow::GetForCurrentThread()->Dispatcher->ProcessEvents(CoreProcessEventsOption::ProcessAllIfPresent);
+        }
+        else
+        {
+            CoreWindow::GetForCurrentThread()->Dispatcher->ProcessEvents(CoreProcessEventsOption::ProcessOneAndAllPending);
+        }
+    }
+}
+
+void SDL_WinRTApp::Uninitialize()
+{
+}
+
+void SDL_WinRTApp::OnWindowSizeChanged(CoreWindow^ sender, WindowSizeChangedEventArgs^ args)
+{
+#if LOG_WINDOW_EVENTS==1
+    SDL_Log("%s, size={%f,%f}, current orientation=%d, native orientation=%d, auto rot. pref=%d, m_sdlWindowData?=%s\n",
+        __FUNCTION__,
+        args->Size.Width, args->Size.Height,
+        (int)DisplayProperties::CurrentOrientation,
+        (int)DisplayProperties::NativeOrientation,
+        (int)DisplayProperties::AutoRotationPreferences,
+        (m_sdlWindowData ? "yes" : "no"));
+#endif
+
+    if (m_sdlWindowData) {
+        // Make the new window size be the one true fullscreen mode.
+        // This change was done, in part, to allow the Direct3D 11.1 renderer
+        // to receive window-resize events as a device rotates.
+        // Before, rotating a device from landscape, to portrait, and then
+        // back to landscape would cause the Direct3D 11.1 swap buffer to
+        // not get resized appropriately.  SDL would, on the rotation from
+        // landscape to portrait, re-resize the SDL window to it's initial
+        // size (landscape).  On the subsequent rotation, SDL would drop the
+        // window-resize event as it appeared the SDL window didn't change
+        // size, and the Direct3D 11.1 renderer wouldn't resize its swap
+        // chain.
+        //
+        // TODO, WinRT: consider dropping old display modes after the fullscreen window changes size (from rotations, etc.)
+        m_sdlWindowData->sdlWindow->fullscreen_mode = SDL_WinRTGlobalApp->GetMainDisplayMode();
+        SDL_AddDisplayMode(&m_sdlVideoDevice->displays[0], &m_sdlWindowData->sdlWindow->fullscreen_mode);
+
+        // HACK, Feb 19, 2013: SDL_WINDOWEVENT_RESIZED events, when sent,
+        // will attempt to fix the values of the main window's renderer's
+        // viewport.  While this can be good, it does appear to be buggy,
+        // and can cause a fullscreen viewport to become corrupted.  This
+        // behavior was noticed on a Surface RT while rotating the device
+        // from landscape to portrait.  Oddly enough, this did not occur
+        // in the Windows Simulator.
+        //
+        // Backing up, then restoring, the main renderer's 'resized' flag
+        // seems to fix fullscreen viewport problems when rotating a
+        // Windows device.
+        //
+        // Commencing hack in 3... 2... 1...
+        SDL_Renderer * rendererForMainWindow = SDL_GetRenderer(m_sdlWindowData->sdlWindow);
+        // For now, limit the hack to when the Direct3D 11.1 is getting used:
+        const bool usingD3D11Renderer = \
+            (rendererForMainWindow != NULL) &&
+            (SDL_strcmp(rendererForMainWindow->info.name, "direct3d 11.1") == 0);
+        SDL_bool wasD3D11RendererResized = SDL_FALSE;
+        if (usingD3D11Renderer) {
+            wasD3D11RendererResized = rendererForMainWindow->resized;
+        }
+
+        // Send the window-resize event to the rest of SDL, and to apps:
+        const int windowWidth = (int) ceil(args->Size.Width);
+        const int windowHeight = (int) ceil(args->Size.Height);
+        SDL_SendWindowEvent(
+            m_sdlWindowData->sdlWindow,
+            SDL_WINDOWEVENT_RESIZED,
+            windowWidth,
+            windowHeight);
+
+        // Viewport hack, part two:
+        if (usingD3D11Renderer) {
+            rendererForMainWindow->resized = wasD3D11RendererResized;
+        }
+    }
+}
+
+void SDL_WinRTApp::OnVisibilityChanged(CoreWindow^ sender, VisibilityChangedEventArgs^ args)
+{
+#if LOG_WINDOW_EVENTS==1
+    SDL_Log("%s, visible?=%s, m_sdlWindowData?=%s\n",
+        __FUNCTION__,
+        (args->Visible ? "yes" : "no"),
+        (m_sdlWindowData ? "yes" : "no"));
+#endif
+
+    m_windowVisible = args->Visible;
+    if (m_sdlWindowData) {
+        SDL_bool wasSDLWindowSurfaceValid = m_sdlWindowData->sdlWindow->surface_valid;
+
+        if (args->Visible) {
+            SDL_SendWindowEvent(m_sdlWindowData->sdlWindow, SDL_WINDOWEVENT_SHOWN, 0, 0);
+        } else {
+            SDL_SendWindowEvent(m_sdlWindowData->sdlWindow, SDL_WINDOWEVENT_HIDDEN, 0, 0);
+        }
+
+        // HACK: Prevent SDL's window-hide handling code, which currently
+        // triggers a fake window resize (possibly erronously), from
+        // marking the SDL window's surface as invalid.
+        //
+        // A better solution to this probably involves figuring out if the
+        // fake window resize can be prevented.
+        m_sdlWindowData->sdlWindow->surface_valid = wasSDLWindowSurfaceValid;
+    }
+}
+
+void SDL_WinRTApp::OnWindowClosed(CoreWindow^ sender, CoreWindowEventArgs^ args)
+{
+#if LOG_WINDOW_EVENTS==1
+    SDL_Log("%s\n", __FUNCTION__);
+#endif
+    m_windowClosed = true;
+}
+
+static Uint8
+WINRT_GetSDLButtonForPointerPoint(PointerPoint ^ pt)
+{
+    switch (pt->Properties->PointerUpdateKind)
+    {
+        case PointerUpdateKind::LeftButtonPressed:
+        case PointerUpdateKind::LeftButtonReleased:
+            return SDL_BUTTON_LEFT;
+
+        case PointerUpdateKind::RightButtonPressed:
+        case PointerUpdateKind::RightButtonReleased:
+            return SDL_BUTTON_RIGHT;
+
+        case PointerUpdateKind::MiddleButtonPressed:
+        case PointerUpdateKind::MiddleButtonReleased:
+            return SDL_BUTTON_MIDDLE;
+
+        case PointerUpdateKind::XButton1Pressed:
+        case PointerUpdateKind::XButton1Released:
+            return SDL_BUTTON_X1;
+
+        case PointerUpdateKind::XButton2Pressed:
+        case PointerUpdateKind::XButton2Released:
+            return SDL_BUTTON_X2;
+
+        default:
+            break;
+    }
+
+    return 0;
+}
+
+static const char *
+WINRT_ConvertPointerUpdateKindToString(PointerUpdateKind kind)
+{
+    switch (kind)
+    {
+        case PointerUpdateKind::Other:
+            return "Other";
+        case PointerUpdateKind::LeftButtonPressed:
+            return "LeftButtonPressed";
+        case PointerUpdateKind::LeftButtonReleased:
+            return "LeftButtonReleased";
+        case PointerUpdateKind::RightButtonPressed:
+            return "RightButtonPressed";
+        case PointerUpdateKind::RightButtonReleased:
+            return "RightButtonReleased";
+        case PointerUpdateKind::MiddleButtonPressed:
+            return "MiddleButtonPressed";
+        case PointerUpdateKind::MiddleButtonReleased:
+            return "MiddleButtonReleased";
+        case PointerUpdateKind::XButton1Pressed:
+            return "XButton1Pressed";
+        case PointerUpdateKind::XButton1Released:
+            return "XButton1Released";
+        case PointerUpdateKind::XButton2Pressed:
+            return "XButton2Pressed";
+        case PointerUpdateKind::XButton2Released:
+            return "XButton2Released";
+    }
+
+    return "";
+}
+
+static void
+WINRT_LogPointerEvent(const string & header, PointerEventArgs ^ args, Point transformedPoint)
+{
+    PointerPoint ^ pt = args->CurrentPoint;
+    SDL_Log("%s: Position={%f,%f}, Transformed Pos={%f, %f}, MouseWheelDelta=%d, FrameId=%d, PointerId=%d, PointerUpdateKind=%s\n",
+        header.c_str(),
+        pt->Position.X, pt->Position.Y,
+        transformedPoint.X, transformedPoint.Y,
+        pt->Properties->MouseWheelDelta,
+        pt->FrameId,
+        pt->PointerId,
+        WINRT_ConvertPointerUpdateKindToString(args->CurrentPoint->Properties->PointerUpdateKind));
+}
+
+void SDL_WinRTApp::OnPointerPressed(CoreWindow^ sender, PointerEventArgs^ args)
+{
+#if LOG_POINTER_EVENTS
+    WINRT_LogPointerEvent("mouse down", args, TransformCursor(args->CurrentPoint->Position));
+#endif
+
+    if (m_sdlWindowData) {
+        Uint8 button = WINRT_GetSDLButtonForPointerPoint(args->CurrentPoint);
+        if (button) {
+            SDL_SendMouseButton(m_sdlWindowData->sdlWindow, 0, SDL_PRESSED, button);
+        }
+    }
+}
+
+void SDL_WinRTApp::OnPointerReleased(CoreWindow^ sender, PointerEventArgs^ args)
+{
+#if LOG_POINTER_EVENTS
+    WINRT_LogPointerEvent("mouse up", args, TransformCursor(args->CurrentPoint->Position));
+#endif
+
+    if (m_sdlWindowData) {
+        Uint8 button = WINRT_GetSDLButtonForPointerPoint(args->CurrentPoint);
+        if (button) {
+            SDL_SendMouseButton(m_sdlWindowData->sdlWindow, 0, SDL_RELEASED, button);
+        }
+    }
+}
+
+void SDL_WinRTApp::OnPointerWheelChanged(CoreWindow^ sender, PointerEventArgs^ args)
+{
+#if LOG_POINTER_EVENTS
+    WINRT_LogPointerEvent("wheel changed", args, TransformCursor(args->CurrentPoint->Position));
+#endif
+
+    if (m_sdlWindowData) {
+        // FIXME: This may need to accumulate deltas up to WHEEL_DELTA
+        short motion = args->CurrentPoint->Properties->MouseWheelDelta / WHEEL_DELTA;
+        SDL_SendMouseWheel(m_sdlWindowData->sdlWindow, 0, 0, motion);
+    }
+}
+
+static inline int _lround(float arg) {
+    if (arg >= 0.0f) {
+        return (int)floor(arg + 0.5f);
+    } else {
+        return (int)ceil(arg - 0.5f);
+    }
+}
+
+void SDL_WinRTApp::OnMouseMoved(MouseDevice^ mouseDevice, MouseEventArgs^ args)
+{
+    if (m_sdlWindowData && m_useRelativeMouseMode) {
+        // DLudwig, 2012-12-28: On some systems, namely Visual Studio's Windows
+        // Simulator, as well as Windows 8 in a Parallels 8 VM, MouseEventArgs'
+        // MouseDelta field often reports very large values.  More information
+        // on this can be found at the following pages on MSDN:
+        //  - http://social.msdn.microsoft.com/Forums/en-US/winappswithnativecode/thread/a3c789fa-f1c5-49c4-9c0a-7db88d0f90f8
+        //  - https://connect.microsoft.com/VisualStudio/Feedback/details/756515
+        //
+        // The values do not appear to be as large when running on some systems,
+        // most notably a Surface RT.  Furthermore, the values returned by
+        // CoreWindow's PointerMoved event, and sent to this class' OnPointerMoved
+        // method, do not ever appear to be large, even when MouseEventArgs'
+        // MouseDelta is reporting to the contrary.
+        //
+        // On systems with the large-values behavior, it appears that the values
+        // get reported as if the screen's size is 65536 units in both the X and Y
+        // dimensions.  This can be viewed by using Windows' now-private, "Raw Input"
+        // APIs.  (GetRawInputData, RegisterRawInputDevices, WM_INPUT, etc.)
+        //
+        // MSDN's documentation on MouseEventArgs' MouseDelta field (at
+        // http://msdn.microsoft.com/en-us/library/windows/apps/windows.devices.input.mouseeventargs.mousedelta ),
+        // does not seem to indicate (to me) that its values should be so large.  It
+        // says that its values should be a "change in screen location".  I could
+        // be misinterpreting this, however a post on MSDN from a Microsoft engineer (see: 
+        // http://social.msdn.microsoft.com/Forums/en-US/winappswithnativecode/thread/09a9868e-95bb-4858-ba1a-cb4d2c298d62 ),
+        // indicates that these values are in DIPs, which is the same unit used
+        // by CoreWindow's PointerMoved events (via the Position field in its CurrentPoint
+        // property.  See http://msdn.microsoft.com/en-us/library/windows/apps/windows.ui.input.pointerpoint.position.aspx
+        // for details.)
+        //
+        // To note, PointerMoved events are sent a 'RawPosition' value (via the
+        // CurrentPoint property in MouseEventArgs), however these do not seem
+        // to exhibit the same large-value behavior.
+        //
+        // The values passed via PointerMoved events can't always be used for relative
+        // mouse motion, unfortunately.  Its values are bound to the cursor's position,
+        // which stops when it hits one of the screen's edges.  This can be a problem in
+        // first person shooters, whereby it is normal for mouse motion to travel far
+        // along any one axis for a period of time.  MouseMoved events do not have the
+        // screen-bounding limitation, and can be used regardless of where the system's
+        // cursor is.
+        //
+        // One possible workaround would be to programmatically set the cursor's
+        // position to the screen's center (when SDL's relative mouse mode is enabled),
+        // however Windows RT does not yet seem to have the ability to set the cursor's
+        // position via a public API.  Win32 did this via an API call, SetCursorPos,
+        // however WinRT makes this function be private.  Apps that use it won't get
+        // approved for distribution in the Windows Store.  I've yet to be able to find
+        // a suitable, store-friendly counterpart for WinRT.
+        //
+        // There may be some room for a workaround whereby OnPointerMoved's values
+        // are compared to the values from OnMouseMoved in order to detect
+        // when this bug is active.  A suitable transformation could then be made to
+        // OnMouseMoved's values.  For now, however, the system-reported values are sent
+        // to SDL with minimal transformation: from native screen coordinates (in DIPs)
+        // to SDL window coordinates.
+        //
+        const Point mouseDeltaInDIPs((float)args->MouseDelta.X, (float)args->MouseDelta.Y);
+        const Point mouseDeltaInSDLWindowCoords = TransformCursor(mouseDeltaInDIPs);
+        SDL_SendMouseMotion(
+            m_sdlWindowData->sdlWindow,
+            0,
+            1,
+            _lround(mouseDeltaInSDLWindowCoords.X),
+            _lround(mouseDeltaInSDLWindowCoords.Y));
+    }
+}
+
+// Applies necessary geometric transformations to raw cursor positions:
+Point SDL_WinRTApp::TransformCursor(Point rawPosition)
+{
+    if ( ! m_sdlWindowData || ! m_sdlWindowData->sdlWindow ) {
+        return rawPosition;
+    }
+    CoreWindow ^ nativeWindow = CoreWindow::GetForCurrentThread();
+    Point outputPosition;
+    outputPosition.X = rawPosition.X * (((float32)m_sdlWindowData->sdlWindow->w) / nativeWindow->Bounds.Width);
+    outputPosition.Y = rawPosition.Y * (((float32)m_sdlWindowData->sdlWindow->h) / nativeWindow->Bounds.Height);
+    return outputPosition;
+}
+
+void SDL_WinRTApp::OnPointerMoved(CoreWindow^ sender, PointerEventArgs^ args)
+{
+#if LOG_POINTER_EVENTS
+    WINRT_LogPointerEvent("pointer moved", args, TransformCursor(args->CurrentPoint->Position));
+#endif
+
+    if (m_sdlWindowData && ! m_useRelativeMouseMode)
+    {
+        Point transformedPoint = TransformCursor(args->CurrentPoint->Position);
+        SDL_SendMouseMotion(m_sdlWindowData->sdlWindow, 0, 0, (int)transformedPoint.X, (int)transformedPoint.Y);
+    }
+}
+
+static SDL_Scancode WinRT_Official_Keycodes[] = {
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.None -- 0
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.LeftButton -- 1
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.RightButton -- 2
+    SDL_SCANCODE_CANCEL, // VirtualKey.Cancel -- 3
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.MiddleButton -- 4
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.XButton1 -- 5
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.XButton2 -- 6
+    SDL_SCANCODE_UNKNOWN, // -- 7
+    SDL_SCANCODE_BACKSPACE, // VirtualKey.Back -- 8
+    SDL_SCANCODE_TAB, // VirtualKey.Tab -- 9
+    SDL_SCANCODE_UNKNOWN, // -- 10
+    SDL_SCANCODE_UNKNOWN, // -- 11
+    SDL_SCANCODE_CLEAR, // VirtualKey.Clear -- 12
+    SDL_SCANCODE_RETURN, // VirtualKey.Enter -- 13
+    SDL_SCANCODE_UNKNOWN, // -- 14
+    SDL_SCANCODE_UNKNOWN, // -- 15
+    SDL_SCANCODE_LSHIFT, // VirtualKey.Shift -- 16
+    SDL_SCANCODE_LCTRL, // VirtualKey.Control -- 17
+    SDL_SCANCODE_MENU, // VirtualKey.Menu -- 18
+    SDL_SCANCODE_PAUSE, // VirtualKey.Pause -- 19
+    SDL_SCANCODE_CAPSLOCK, // VirtualKey.CapitalLock -- 20
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.Kana or VirtualKey.Hangul -- 21
+    SDL_SCANCODE_UNKNOWN, // -- 22
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.Junja -- 23
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.Final -- 24
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.Hanja or VirtualKey.Kanji -- 25
+    SDL_SCANCODE_UNKNOWN, // -- 26
+    SDL_SCANCODE_ESCAPE, // VirtualKey.Escape -- 27
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.Convert -- 28
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.NonConvert -- 29
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.Accept -- 30
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.ModeChange -- 31  (maybe SDL_SCANCODE_MODE ?)
+    SDL_SCANCODE_SPACE, // VirtualKey.Space -- 32
+    SDL_SCANCODE_PAGEUP, // VirtualKey.PageUp -- 33
+    SDL_SCANCODE_PAGEDOWN, // VirtualKey.PageDown -- 34
+    SDL_SCANCODE_END, // VirtualKey.End -- 35
+    SDL_SCANCODE_HOME, // VirtualKey.Home -- 36
+    SDL_SCANCODE_LEFT, // VirtualKey.Left -- 37
+    SDL_SCANCODE_UP, // VirtualKey.Up -- 38
+    SDL_SCANCODE_RIGHT, // VirtualKey.Right -- 39
+    SDL_SCANCODE_DOWN, // VirtualKey.Down -- 40
+    SDL_SCANCODE_SELECT, // VirtualKey.Select -- 41
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.Print -- 42  (maybe SDL_SCANCODE_PRINTSCREEN ?)
+    SDL_SCANCODE_EXECUTE, // VirtualKey.Execute -- 43
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.Snapshot -- 44
+    SDL_SCANCODE_INSERT, // VirtualKey.Insert -- 45
+    SDL_SCANCODE_DELETE, // VirtualKey.Delete -- 46
+    SDL_SCANCODE_HELP, // VirtualKey.Help -- 47
+    SDL_SCANCODE_0, // VirtualKey.Number0 -- 48
+    SDL_SCANCODE_1, // VirtualKey.Number1 -- 49
+    SDL_SCANCODE_2, // VirtualKey.Number2 -- 50
+    SDL_SCANCODE_3, // VirtualKey.Number3 -- 51
+    SDL_SCANCODE_4, // VirtualKey.Number4 -- 52
+    SDL_SCANCODE_5, // VirtualKey.Number5 -- 53
+    SDL_SCANCODE_6, // VirtualKey.Number6 -- 54
+    SDL_SCANCODE_7, // VirtualKey.Number7 -- 55
+    SDL_SCANCODE_8, // VirtualKey.Number8 -- 56
+    SDL_SCANCODE_9, // VirtualKey.Number9 -- 57
+    SDL_SCANCODE_UNKNOWN, // -- 58
+    SDL_SCANCODE_UNKNOWN, // -- 59
+    SDL_SCANCODE_UNKNOWN, // -- 60
+    SDL_SCANCODE_UNKNOWN, // -- 61
+    SDL_SCANCODE_UNKNOWN, // -- 62
+    SDL_SCANCODE_UNKNOWN, // -- 63
+    SDL_SCANCODE_UNKNOWN, // -- 64
+    SDL_SCANCODE_A, // VirtualKey.A -- 65
+    SDL_SCANCODE_B, // VirtualKey.B -- 66
+    SDL_SCANCODE_C, // VirtualKey.C -- 67
+    SDL_SCANCODE_D, // VirtualKey.D -- 68
+    SDL_SCANCODE_E, // VirtualKey.E -- 69
+    SDL_SCANCODE_F, // VirtualKey.F -- 70
+    SDL_SCANCODE_G, // VirtualKey.G -- 71
+    SDL_SCANCODE_H, // VirtualKey.H -- 72
+    SDL_SCANCODE_I, // VirtualKey.I -- 73
+    SDL_SCANCODE_J, // VirtualKey.J -- 74
+    SDL_SCANCODE_K, // VirtualKey.K -- 75
+    SDL_SCANCODE_L, // VirtualKey.L -- 76
+    SDL_SCANCODE_M, // VirtualKey.M -- 77
+    SDL_SCANCODE_N, // VirtualKey.N -- 78
+    SDL_SCANCODE_O, // VirtualKey.O -- 79
+    SDL_SCANCODE_P, // VirtualKey.P -- 80
+    SDL_SCANCODE_Q, // VirtualKey.Q -- 81
+    SDL_SCANCODE_R, // VirtualKey.R -- 82
+    SDL_SCANCODE_S, // VirtualKey.S -- 83
+    SDL_SCANCODE_T, // VirtualKey.T -- 84
+    SDL_SCANCODE_U, // VirtualKey.U -- 85
+    SDL_SCANCODE_V, // VirtualKey.V -- 86
+    SDL_SCANCODE_W, // VirtualKey.W -- 87
+    SDL_SCANCODE_X, // VirtualKey.X -- 88
+    SDL_SCANCODE_Y, // VirtualKey.Y -- 89
+    SDL_SCANCODE_Z, // VirtualKey.Z -- 90
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.LeftWindows -- 91  (maybe SDL_SCANCODE_APPLICATION or SDL_SCANCODE_LGUI ?)
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.RightWindows -- 92  (maybe SDL_SCANCODE_APPLICATION or SDL_SCANCODE_RGUI ?)
+    SDL_SCANCODE_APPLICATION, // VirtualKey.Application -- 93
+    SDL_SCANCODE_UNKNOWN, // -- 94
+    SDL_SCANCODE_SLEEP, // VirtualKey.Sleep -- 95
+    SDL_SCANCODE_KP_0, // VirtualKey.NumberPad0 -- 96
+    SDL_SCANCODE_KP_1, // VirtualKey.NumberPad1 -- 97
+    SDL_SCANCODE_KP_2, // VirtualKey.NumberPad2 -- 98
+    SDL_SCANCODE_KP_3, // VirtualKey.NumberPad3 -- 99
+    SDL_SCANCODE_KP_4, // VirtualKey.NumberPad4 -- 100
+    SDL_SCANCODE_KP_5, // VirtualKey.NumberPad5 -- 101
+    SDL_SCANCODE_KP_6, // VirtualKey.NumberPad6 -- 102
+    SDL_SCANCODE_KP_7, // VirtualKey.NumberPad7 -- 103
+    SDL_SCANCODE_KP_8, // VirtualKey.NumberPad8 -- 104
+    SDL_SCANCODE_KP_9, // VirtualKey.NumberPad9 -- 105
+    SDL_SCANCODE_KP_MULTIPLY, // VirtualKey.Multiply -- 106
+    SDL_SCANCODE_KP_PLUS, // VirtualKey.Add -- 107
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.Separator -- 108
+    SDL_SCANCODE_KP_MINUS, // VirtualKey.Subtract -- 109
+    SDL_SCANCODE_UNKNOWN, // VirtualKey.Decimal -- 110  (maybe SDL_SCANCODE_DECIMALSEPARATOR, SDL_SCANCODE_KP_DECIMAL, or SDL_SCANCODE_KP_PERIOD ?)
+    SDL_SCANCODE_KP_DIVIDE, // VirtualKey.Divide -- 111
+    SDL_SCANCODE_F1, // VirtualKey.F1 -- 112
+    SDL_SCANCODE_F2, // VirtualKey.F2 -- 113
+    SDL_SCANCODE_F3, // VirtualKey.F3 -- 114
+    SDL_SCANCODE_F4, // VirtualKey.F4 -- 115
+    SDL_SCANCODE_F5, // VirtualKey.F5 -- 116
+    SDL_SCANCODE_F6, // VirtualKey.F6 -- 117
+    SDL_SCANCODE_F7, // VirtualKey.F7 -- 118
+    SDL_SCANCODE_F8, // VirtualKey.F8 -- 119
+    SDL_SCANCODE_F9, // VirtualKey.F9 -- 120
+    SDL_SCANCODE_F10, // VirtualKey.F10 -- 121
+    SDL_SCANCODE_F11, // VirtualKey.F11 -- 122
+    SDL_SCANCODE_F12, // VirtualKey.F12 -- 123
+    SDL_SCANCODE_F13, // VirtualKey.F13 -- 124
+    SDL_SCANCODE_F14, // VirtualKey.F14 -- 125
+    SDL_SCANCODE_F15, // VirtualKey.F15 -- 126
+    SDL_SCANCODE_F16, // VirtualKey.F16 -- 127
+    SDL_SCANCODE_F17, // VirtualKey.F17 -- 128
+    SDL_SCANCODE_F18, // VirtualKey.F18 -- 129
+    SDL_SCANCODE_F19, // VirtualKey.F19 -- 130
+    SDL_SCANCODE_F20, // VirtualKey.F20 -- 131
+    SDL_SCANCODE_F21, // VirtualKey.F21 -- 132
+    SDL_SCANCODE_F22, // VirtualKey.F22 -- 133
+    SDL_SCANCODE_F23, // VirtualKey.F23 -- 134
+    SDL_SCANCODE_F24, // VirtualKey.F24 -- 135
+    SDL_SCANCODE_UNKNOWN, // -- 136
+    SDL_SCANCODE_UNKNOWN, // -- 137
+    SDL_SCANCODE_UNKNOWN, // -- 138
+    SDL_SCANCODE_UNKNOWN, // -- 139
+    SDL_SCANCODE_UNKNOWN, // -- 140
+    SDL_SCANCODE_UNKNOWN, // -- 141
+    SDL_SCANCODE_UNKNOWN, // -- 142
+    SDL_SCANCODE_UNKNOWN, // -- 143
+    SDL_SCANCODE_NUMLOCKCLEAR, // VirtualKey.NumberKeyLock -- 144
+    SDL_SCANCODE_SCROLLLOCK, // VirtualKey.Scroll -- 145
+    SDL_SCANCODE_UNKNOWN, // -- 146
+    SDL_SCANCODE_UNKNOWN, // -- 147
+    SDL_SCANCODE_UNKNOWN, // -- 148
+    SDL_SCANCODE_UNKNOWN, // -- 149
+    SDL_SCANCODE_UNKNOWN, // -- 150
+    SDL_SCANCODE_UNKNOWN, // -- 151
+    SDL_SCANCODE_UNKNOWN, // -- 152
+    SDL_SCANCODE_UNKNOWN, // -- 153
+    SDL_SCANCODE_UNKNOWN, // -- 154
+    SDL_SCANCODE_UNKNOWN, // -- 155
+    SDL_SCANCODE_UNKNOWN, // -- 156
+    SDL_SCANCODE_UNKNOWN, // -- 157
+    SDL_SCANCODE_UNKNOWN, // -- 158
+    SDL_SCANCODE_UNKNOWN, // -- 159
+    SDL_SCANCODE_LSHIFT, // VirtualKey.LeftShift -- 160
+    SDL_SCANCODE_RSHIFT, // VirtualKey.RightShift -- 161
+    SDL_SCANCODE_LCTRL, // VirtualKey.LeftControl -- 162
+    SDL_SCANCODE_RCTRL, // VirtualKey.RightControl -- 163
+    SDL_SCANCODE_MENU, // VirtualKey.LeftMenu -- 164
+    SDL_SCANCODE_MENU, // VirtualKey.RightMenu -- 165
+};
+
+static std::unordered_map<int, SDL_Scancode> WinRT_Unofficial_Keycodes;
+
+static SDL_Scancode
+TranslateKeycode(int keycode)
+{
+    if (WinRT_Unofficial_Keycodes.empty()) {
+        /* Set up a table of undocumented (by Microsoft), WinRT-specific,
+           key codes: */
+        // TODO, WinRT: move content declarations of WinRT_Unofficial_Keycodes into a C++11 initializer list, when possible
+        WinRT_Unofficial_Keycodes[220] = SDL_SCANCODE_GRAVE;
+        WinRT_Unofficial_Keycodes[222] = SDL_SCANCODE_BACKSLASH;
+    }
+
+    /* Try to get a documented, WinRT, 'VirtualKey' first (as documented at
+       http://msdn.microsoft.com/en-us/library/windows/apps/windows.system.virtualkey.aspx ).
+       If that fails, fall back to a Win32 virtual key.
+    */
+    // TODO, WinRT: try filling out the WinRT keycode table as much as possible, using the Win32 table for interpretation hints
+    //SDL_Log("WinRT TranslateKeycode, keycode=%d\n", (int)keycode);
+    SDL_Scancode scancode = SDL_SCANCODE_UNKNOWN;
+    if (keycode < SDL_arraysize(WinRT_Official_Keycodes)) {
+        scancode = WinRT_Official_Keycodes[keycode];
+    }
+    if (scancode == SDL_SCANCODE_UNKNOWN) {
+        if (WinRT_Unofficial_Keycodes.find(keycode) != WinRT_Unofficial_Keycodes.end()) {
+            scancode = WinRT_Unofficial_Keycodes[keycode];
+        }
+    }
+    if (scancode == SDL_SCANCODE_UNKNOWN) {
+        if (keycode < SDL_arraysize(windows_scancode_table)) {
+            scancode = windows_scancode_table[keycode];
+        }
+    }
+    if (scancode == SDL_SCANCODE_UNKNOWN) {
+        SDL_Log("WinRT TranslateKeycode, unknown keycode=%d\n", (int)keycode);
+    }
+    return scancode;
+}
+
+void SDL_WinRTApp::OnKeyDown(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::KeyEventArgs^ args)
+{
+    SDL_Scancode sdlScancode = TranslateKeycode((int)args->VirtualKey);
+#if 0
+    SDL_Keycode keycode = SDL_GetKeyFromScancode(sdlScancode);
+    SDL_Log("key down, handled=%s, ext?=%s, released?=%s, menu key down?=%s, repeat count=%d, native scan code=%d, was down?=%s, vkey=%d, sdl scan code=%d (%s), sdl key code=%d (%s)\n",
+        (args->Handled ? "1" : "0"),
+        (args->KeyStatus.IsExtendedKey ? "1" : "0"),
+        (args->KeyStatus.IsKeyReleased ? "1" : "0"),
+        (args->KeyStatus.IsMenuKeyDown ? "1" : "0"),
+        args->KeyStatus.RepeatCount,
+        args->KeyStatus.ScanCode,
+        (args->KeyStatus.WasKeyDown ? "1" : "0"),
+        args->VirtualKey,
+        sdlScancode,
+        SDL_GetScancodeName(sdlScancode),
+        keycode,
+        SDL_GetKeyName(keycode));
+    //args->Handled = true;
+    //VirtualKey vkey = args->VirtualKey;
+#endif
+    SDL_SendKeyboardKey(SDL_PRESSED, sdlScancode);
+}
+
+void SDL_WinRTApp::OnKeyUp(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::KeyEventArgs^ args)
+{
+    SDL_Scancode sdlScancode = TranslateKeycode((int)args->VirtualKey);
+#if 0
+    SDL_Keycode keycode = SDL_GetKeyFromScancode(sdlScancode);
+    SDL_Log("key up, handled=%s, ext?=%s, released?=%s, menu key down?=%s, repeat count=%d, native scan code=%d, was down?=%s, vkey=%d, sdl scan code=%d (%s), sdl key code=%d (%s)\n",
+        (args->Handled ? "1" : "0"),
+        (args->KeyStatus.IsExtendedKey ? "1" : "0"),
+        (args->KeyStatus.IsKeyReleased ? "1" : "0"),
+        (args->KeyStatus.IsMenuKeyDown ? "1" : "0"),
+        args->KeyStatus.RepeatCount,
+        args->KeyStatus.ScanCode,
+        (args->KeyStatus.WasKeyDown ? "1" : "0"),
+        args->VirtualKey,
+        sdlScancode,
+        SDL_GetScancodeName(sdlScancode),
+        keycode,
+        SDL_GetKeyName(keycode));
+    //args->Handled = true;
+#endif
+    SDL_SendKeyboardKey(SDL_RELEASED, sdlScancode);
+}
+
+void SDL_WinRTApp::OnActivated(CoreApplicationView^ applicationView, IActivatedEventArgs^ args)
+{
+    CoreWindow::GetForCurrentThread()->Activate();
+}
+
+static int SDLCALL RemoveAppSuspendAndResumeEvents(void * userdata, SDL_Event * event)
+{
+    if (event->type == SDL_WINDOWEVENT)
+    {
+        switch (event->window.event)
+        {
+            case SDL_WINDOWEVENT_MINIMIZED:
+            case SDL_WINDOWEVENT_RESTORED:
+                // Return 0 to indicate that the event should be removed from the
+                // event queue:
+                return 0;
+            default:
+                break;
+        }
+    }
+
+    // Return 1 to indicate that the event should stay in the event queue:
+    return 1;
+}
+
+void SDL_WinRTApp::OnSuspending(Platform::Object^ sender, SuspendingEventArgs^ args)
+{
+    // Save app state asynchronously after requesting a deferral. Holding a deferral
+    // indicates that the application is busy performing suspending operations. Be
+    // aware that a deferral may not be held indefinitely. After about five seconds,
+    // the app will be forced to exit.
+    SuspendingDeferral^ deferral = args->SuspendingOperation->GetDeferral();
+    create_task([this, deferral]()
+    {
+        // Send a window-minimized event immediately to observers.
+        // CoreDispatcher::ProcessEvents, which is the backbone on which
+        // SDL_WinRTApp::PumpEvents is built, will not return to its caller
+        // once it sends out a suspend event.  Any events posted to SDL's
+        // event queue won't get received until the WinRT app is resumed.
+        // SDL_AddEventWatch() may be used to receive app-suspend events on
+        // WinRT.
+        //
+        // In order to prevent app-suspend events from being received twice:
+        // first via a callback passed to SDL_AddEventWatch, and second via
+        // SDL's event queue, the event will be sent to SDL, then immediately
+        // removed from the queue.
+        if (m_sdlWindowData)
+        {
+            SDL_SendWindowEvent(m_sdlWindowData->sdlWindow, SDL_WINDOWEVENT_MINIMIZED, 0, 0);   // TODO: see if SDL_WINDOWEVENT_SIZE_CHANGED should be getting triggered here (it is, currently)
+            SDL_FilterEvents(RemoveAppSuspendAndResumeEvents, 0);
+        }
+        deferral->Complete();
+    });
+}
+
+void SDL_WinRTApp::OnResuming(Platform::Object^ sender, Platform::Object^ args)
+{
+    // Restore any data or state that was unloaded on suspend. By default, data
+    // and state are persisted when resuming from suspend. Note that this event
+    // does not occur if the app was previously terminated.
+    if (m_sdlWindowData)
+    {
+        SDL_SendWindowEvent(m_sdlWindowData->sdlWindow, SDL_WINDOWEVENT_RESTORED, 0, 0);    // TODO: see if SDL_WINDOWEVENT_SIZE_CHANGED should be getting triggered here (it is, currently)
+
+        // Remove the app-resume event from the queue, as is done with the
+        // app-suspend event.
+        //
+        // TODO, WinRT: consider posting this event to the queue even though
+        // its counterpart, the app-suspend event, effectively has to be
+        // processed immediately.
+        SDL_FilterEvents(RemoveAppSuspendAndResumeEvents, 0);
+    }
+}
+
+SDL_DisplayMode SDL_WinRTApp::GetMainDisplayMode()
+{
+    // Create an empty, zeroed-out display mode:
+    SDL_DisplayMode mode;
+    SDL_zero(mode);
+
+    // Fill in most fields:
+    mode.format = SDL_PIXELFORMAT_RGB888;
+    mode.refresh_rate = 0;  // TODO, WinRT: see if refresh rate data is available, or relevant (for WinRT apps)
+    mode.driverdata = NULL;
+
+    // Calculate the display size given the window size, taking into account
+    // the current display's DPI:
+    const float currentDPI = Windows::Graphics::Display::DisplayProperties::LogicalDpi; 
+    const float dipsPerInch = 96.0f;
+    mode.w = (int) ((CoreWindow::GetForCurrentThread()->Bounds.Width * currentDPI) / dipsPerInch);
+    mode.h = (int) ((CoreWindow::GetForCurrentThread()->Bounds.Height * currentDPI) / dipsPerInch);
+
+    return mode;
+}
+
+const SDL_WindowData * SDL_WinRTApp::GetSDLWindowData() const
+{
+    return m_sdlWindowData;
+}
+
+bool SDL_WinRTApp::HasSDLWindowData() const
+{
+    return (m_sdlWindowData != NULL);
+}
+
+void SDL_WinRTApp::SetRelativeMouseMode(bool enable)
+{
+    m_useRelativeMouseMode = enable;
+}
+
+void SDL_WinRTApp::SetSDLWindowData(const SDL_WindowData * windowData)
+{
+    m_sdlWindowData = windowData;
+}
+
+void SDL_WinRTApp::SetSDLVideoDevice(const SDL_VideoDevice * videoDevice)
+{
+    m_sdlVideoDevice = videoDevice;
+}

src/video/windowsrt/SDL_WinRTApp.h

@@ -0,0 +1,52 @@
+#pragma once
+
+struct SDL_WindowData;
+
+ref class SDL_WinRTApp sealed : public Windows::ApplicationModel::Core::IFrameworkView
+{
+public:
+    SDL_WinRTApp();
+    
+    // IFrameworkView Methods.
+    virtual void Initialize(Windows::ApplicationModel::Core::CoreApplicationView^ applicationView);
+    virtual void SetWindow(Windows::UI::Core::CoreWindow^ window);
+    virtual void Load(Platform::String^ entryPoint);
+    virtual void Run();
+    virtual void Uninitialize();
+
+internal:
+    // SDL-specific methods
+    SDL_DisplayMode GetMainDisplayMode();
+    void PumpEvents();
+    const SDL_WindowData * GetSDLWindowData() const;
+    bool HasSDLWindowData() const;
+    void SetRelativeMouseMode(bool enable);
+    void SetSDLWindowData(const SDL_WindowData * windowData);
+    void SetSDLVideoDevice(const SDL_VideoDevice * videoDevice);
+    Windows::Foundation::Point TransformCursor(Windows::Foundation::Point rawPosition);
+
+protected:
+    // Event Handlers.
+    void OnOrientationChanged(Platform::Object^ sender);
+    void OnWindowSizeChanged(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::WindowSizeChangedEventArgs^ args);
+    void OnLogicalDpiChanged(Platform::Object^ sender);
+    void OnActivated(Windows::ApplicationModel::Core::CoreApplicationView^ applicationView, Windows::ApplicationModel::Activation::IActivatedEventArgs^ args);
+    void OnSuspending(Platform::Object^ sender, Windows::ApplicationModel::SuspendingEventArgs^ args);
+    void OnResuming(Platform::Object^ sender, Platform::Object^ args);
+    void OnWindowClosed(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::CoreWindowEventArgs^ args);
+    void OnVisibilityChanged(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::VisibilityChangedEventArgs^ args);
+    void OnPointerPressed(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::PointerEventArgs^ args);
+    void OnPointerReleased(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::PointerEventArgs^ args);
+    void OnPointerWheelChanged(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::PointerEventArgs^ args);
+    void OnPointerMoved(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::PointerEventArgs^ args);
+    void OnMouseMoved(Windows::Devices::Input::MouseDevice^ mouseDevice, Windows::Devices::Input::MouseEventArgs^ args);
+    void OnKeyDown(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::KeyEventArgs^ args);
+    void OnKeyUp(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::KeyEventArgs^ args);
+
+private:
+    bool m_windowClosed;
+    bool m_windowVisible;
+    const SDL_WindowData* m_sdlWindowData;
+    const SDL_VideoDevice* m_sdlVideoDevice;
+    bool m_useRelativeMouseMode;
+};

src/video/windowsrt/SDL_winrtevents.cpp

@@ -0,0 +1,41 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 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_config.h"
+
+#if SDL_VIDEO_DRIVER_WINRT
+
+#include "../../events/SDL_events_c.h"
+
+#include "SDL_winrtvideo.h"
+#include "SDL_winrtevents_c.h"
+#include "SDL_WinRTApp.h"
+
+extern SDL_WinRTApp ^ SDL_WinRTGlobalApp;
+
+void
+WINRT_PumpEvents(_THIS)
+{
+    SDL_WinRTGlobalApp->PumpEvents();
+}
+
+#endif /* SDL_VIDEO_DRIVER_WINRT */
+
+/* vi: set ts=4 sw=4 expandtab: */

src/video/windowsrt/SDL_winrtevents_c.h

@@ -0,0 +1,27 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 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_config.h"
+
+#include "SDL_winrtvideo.h"
+
+extern void WINRT_PumpEvents(_THIS);
+
+/* vi: set ts=4 sw=4 expandtab: */

src/video/windowsrt/SDL_winrtmouse.cpp

@@ -0,0 +1,149 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 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_config.h"
+
+#if SDL_VIDEO_DRIVER_WINRT
+
+extern "C" {
+#include "SDL_assert.h"
+#include "../../events/SDL_mouse_c.h"
+#include "../SDL_sysvideo.h"
+}
+
+#include "SDL_WinRTApp.h"
+#include "SDL_winrtmouse.h"
+
+using namespace Windows::UI::Core;
+using Windows::UI::Core::CoreCursor;
+
+extern SDL_WinRTApp ^ SDL_WinRTGlobalApp;
+
+
+static SDL_Cursor *
+WINRT_CreateSystemCursor(SDL_SystemCursor id)
+{
+    SDL_Cursor *cursor;
+    CoreCursorType cursorType = CoreCursorType::Arrow;
+
+    switch(id)
+    {
+    default:
+        SDL_assert(0);
+        return NULL;
+    case SDL_SYSTEM_CURSOR_ARROW:     cursorType = CoreCursorType::Arrow; break;
+    case SDL_SYSTEM_CURSOR_IBEAM:     cursorType = CoreCursorType::IBeam; break;
+    case SDL_SYSTEM_CURSOR_WAIT:      cursorType = CoreCursorType::Wait; break;
+    case SDL_SYSTEM_CURSOR_CROSSHAIR: cursorType = CoreCursorType::Cross; break;
+    case SDL_SYSTEM_CURSOR_WAITARROW: cursorType = CoreCursorType::Wait; break;
+    case SDL_SYSTEM_CURSOR_SIZENWSE:  cursorType = CoreCursorType::SizeNorthwestSoutheast; break;
+    case SDL_SYSTEM_CURSOR_SIZENESW:  cursorType = CoreCursorType::SizeNortheastSouthwest; break;
+    case SDL_SYSTEM_CURSOR_SIZEWE:    cursorType = CoreCursorType::SizeWestEast; break;
+    case SDL_SYSTEM_CURSOR_SIZENS:    cursorType = CoreCursorType::SizeNorthSouth; break;
+    case SDL_SYSTEM_CURSOR_SIZEALL:   cursorType = CoreCursorType::SizeAll; break;
+    case SDL_SYSTEM_CURSOR_NO:        cursorType = CoreCursorType::UniversalNo; break;
+    case SDL_SYSTEM_CURSOR_HAND:      cursorType = CoreCursorType::Hand; break;
+    }
+
+    cursor = (SDL_Cursor *) SDL_calloc(1, sizeof(*cursor));
+    if (cursor) {
+        /* Create a pointer to a COM reference to a cursor.  The extra
+           pointer is used (on top of the COM reference) to allow the cursor
+           to be referenced by the SDL_cursor's driverdata field, which is
+           a void pointer.
+        */
+        CoreCursor ^* theCursor = new CoreCursor^(nullptr);
+        *theCursor = ref new CoreCursor(cursorType, 0);
+        cursor->driverdata = (void *) theCursor;
+    } else {
+        SDL_OutOfMemory();
+    }
+
+    return cursor;
+}
+
+static SDL_Cursor *
+WINRT_CreateDefaultCursor()
+{
+    return WINRT_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW);
+}
+
+static void
+WINRT_FreeCursor(SDL_Cursor * cursor)
+{
+    if (cursor->driverdata) {
+        CoreCursor ^* theCursor = (CoreCursor ^*) cursor->driverdata;
+        *theCursor = nullptr;       // Release the COM reference to the CoreCursor
+        delete theCursor;           // Delete the pointer to the COM reference
+    }
+    SDL_free(cursor);
+}
+
+static int
+WINRT_ShowCursor(SDL_Cursor * cursor)
+{
+    if (cursor) {
+        CoreCursor ^* theCursor = (CoreCursor ^*) cursor->driverdata;
+        CoreWindow::GetForCurrentThread()->PointerCursor = *theCursor;
+    } else {
+        CoreWindow::GetForCurrentThread()->PointerCursor = nullptr;
+    }
+    return 0;
+}
+
+static int
+WINRT_SetRelativeMouseMode(SDL_bool enabled)
+{
+    SDL_WinRTGlobalApp->SetRelativeMouseMode(enabled ? true : false);
+    return 0;
+}
+
+void
+WINRT_InitMouse(_THIS)
+{
+    SDL_Mouse *mouse = SDL_GetMouse();
+
+    /* DLudwig, Dec 3, 2012: Windows RT does not currently provide APIs for
+       the following features, AFAIK:
+        - custom cursors  (multiple system cursors are, however, available)
+        - programmatically moveable cursors
+    */
+
+#if WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP
+    //mouse->CreateCursor = WINRT_CreateCursor;
+    mouse->CreateSystemCursor = WINRT_CreateSystemCursor;
+    mouse->ShowCursor = WINRT_ShowCursor;
+    mouse->FreeCursor = WINRT_FreeCursor;
+    //mouse->WarpMouse = WINRT_WarpMouse;
+    mouse->SetRelativeMouseMode = WINRT_SetRelativeMouseMode;
+
+    SDL_SetDefaultCursor(WINRT_CreateDefaultCursor());
+#endif
+}
+
+void
+WINRT_QuitMouse(_THIS)
+{
+}
+
+#endif /* SDL_VIDEO_DRIVER_WINRT */
+
+/* vi: set ts=4 sw=4 expandtab: */

src/video/windowsrt/SDL_winrtmouse.h

@@ -0,0 +1,31 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 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_config.h"
+
+#ifndef _SDL_windowsmouse_h
+#define _SDL_windowsmouse_h
+
+extern void WINRT_InitMouse(_THIS);
+extern void WINRT_QuitMouse(_THIS);
+
+#endif /* _SDL_windowsmouse_h */
+
+/* vi: set ts=4 sw=4 expandtab: */

src/video/windowsrt/SDL_winrtvideo.cpp

@@ -0,0 +1,262 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 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_config.h"
+
+#if SDL_VIDEO_DRIVER_WINRT
+
+/* WinRT SDL video driver implementation
+
+   Initial work on this was done by David Ludwig (dludwig@pobox.com), and
+   was based off of SDL's "dummy" video driver.
+ */
+
+extern "C" {
+#include "SDL_video.h"
+#include "SDL_mouse.h"
+#include "../SDL_sysvideo.h"
+#include "../SDL_pixels_c.h"
+#include "../../events/SDL_events_c.h"
+#include "../../render/SDL_sysrender.h"
+#include "SDL_syswm.h"
+}
+
+#include "SDL_WinRTApp.h"
+#include "SDL_winrtvideo.h"
+#include "SDL_winrtevents_c.h"
+#include "SDL_winrtmouse.h"
+
+using namespace Windows::UI::Core;
+
+/* On Windows, windows.h defines CreateWindow */
+#ifdef CreateWindow
+#undef CreateWindow
+#endif
+
+extern SDL_WinRTApp ^ SDL_WinRTGlobalApp;
+
+#define WINRTVID_DRIVER_NAME "winrt"
+
+/* Initialization/Query functions */
+static int WINRT_VideoInit(_THIS);
+static int WINRT_InitModes(_THIS);
+static int WINRT_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
+static void WINRT_VideoQuit(_THIS);
+
+/* Window functions */
+static int WINRT_CreateWindow(_THIS, SDL_Window * window);
+static void WINRT_DestroyWindow(_THIS, SDL_Window * window);
+static SDL_bool WINRT_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info);
+
+/* WinRT driver bootstrap functions */
+
+static int
+WINRT_Available(void)
+{
+    return (1);
+}
+
+static void
+WINRT_DeleteDevice(SDL_VideoDevice * device)
+{
+    SDL_WinRTGlobalApp->SetSDLVideoDevice(NULL);
+    SDL_free(device);
+}
+
+static SDL_VideoDevice *
+WINRT_CreateDevice(int devindex)
+{
+    SDL_VideoDevice *device;
+
+    /* Initialize all variables that we clean on shutdown */
+    device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
+    if (!device) {
+        SDL_OutOfMemory();
+        if (device) {
+            SDL_free(device);
+        }
+        return (0);
+    }
+
+    /* Set the function pointers */
+    device->VideoInit = WINRT_VideoInit;
+    device->VideoQuit = WINRT_VideoQuit;
+    device->CreateWindow = WINRT_CreateWindow;
+    device->DestroyWindow = WINRT_DestroyWindow;
+    device->SetDisplayMode = WINRT_SetDisplayMode;
+    device->PumpEvents = WINRT_PumpEvents;
+    //device->CreateWindowFramebuffer = SDL_WINRT_CreateWindowFramebuffer;
+    //device->UpdateWindowFramebuffer = SDL_WINRT_UpdateWindowFramebuffer;
+    //device->DestroyWindowFramebuffer = SDL_WINRT_DestroyWindowFramebuffer;
+    device->GetWindowWMInfo = WINRT_GetWindowWMInfo;
+    device->free = WINRT_DeleteDevice;
+
+    SDL_WinRTGlobalApp->SetSDLVideoDevice(device);
+
+    return device;
+}
+
+VideoBootStrap WINRT_bootstrap = {
+    WINRTVID_DRIVER_NAME, "SDL Windows RT video driver",
+    WINRT_Available, WINRT_CreateDevice
+};
+
+int
+WINRT_VideoInit(_THIS)
+{
+    // TODO, WinRT: consider adding a hack to wait (here) for the app's orientation to finish getting set (before the initial display mode is set up)
+
+    if (WINRT_InitModes(_this) < 0) {
+        return -1;
+    }
+    WINRT_InitMouse(_this);
+
+    return 0;
+}
+
+static int
+WINRT_InitModes(_THIS)
+{
+    SDL_DisplayMode mode = SDL_WinRTGlobalApp->GetMainDisplayMode();
+    if (SDL_AddBasicVideoDisplay(&mode) < 0) {
+        return -1;
+    }
+
+    SDL_AddDisplayMode(&_this->displays[0], &mode);
+    return 0;
+}
+
+static int
+WINRT_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
+{
+    return 0;
+}
+
+void
+WINRT_VideoQuit(_THIS)
+{
+    WINRT_QuitMouse(_this);
+}
+
+int
+WINRT_CreateWindow(_THIS, SDL_Window * window)
+{
+    // Make sure that only one window gets created, at least until multimonitor
+    // support is added.
+    if (SDL_WinRTGlobalApp->HasSDLWindowData())
+    {
+        SDL_SetError("WinRT only supports one window");
+        return -1;
+    }
+
+    SDL_WindowData *data = new SDL_WindowData;
+    if (!data) {
+        SDL_OutOfMemory();
+        return -1;
+    }
+    window->driverdata = data;
+    data->sdlWindow = window;
+    data->coreWindow = CoreWindow::GetForCurrentThread();
+
+    /* Make sure the window is considered to be positioned at {0,0},
+       and is considered fullscreen, shown, and the like.
+    */
+    window->x = 0;
+    window->y = 0;
+    window->flags =
+        SDL_WINDOW_FULLSCREEN |
+        SDL_WINDOW_SHOWN |
+        SDL_WINDOW_BORDERLESS |
+        SDL_WINDOW_MAXIMIZED |
+        SDL_WINDOW_INPUT_GRABBED;
+
+    /* HACK from DLudwig: The following line of code prevents
+       SDL_CreateWindow and SDL_UpdateFullscreenMode from trying to resize
+       the window after the call to WINRT_CreateWindow returns.
+       
+       This hack should allow a window to be created in virtually any size,
+       and more importantly, it allows a window's framebuffer, as created and
+       retrieved via SDL_GetWindowSurface, to be in any size.  This can be
+       utilized by apps centered around software rendering, such as ports
+       of older apps.  The app can have SDL create a framebuffer in any size
+       it chooses.  SDL will scale the framebuffer to the native
+       screen size on the GPU (via SDL_UpdateWindowSurface).
+    */
+    _this->displays[0].fullscreen_window = window;
+
+    /* Further prevent any display resizing, and make sure SDL_GetWindowDisplayMode
+       can report the correct size of windows, by creating a new display
+       mode in the requested size.  To note, if the window is being created in
+       the device's native screen size, SDL_AddDisplayMode will do nothing.
+    */
+    window->fullscreen_mode = SDL_WinRTGlobalApp->GetMainDisplayMode();
+    window->fullscreen_mode.w = window->w;
+    window->fullscreen_mode.h = window->h;
+    SDL_AddDisplayMode(&_this->displays[0], &window->fullscreen_mode);
+
+    /* TODO: Consider removing custom display modes in WINRT_DestroyWindow. */
+ 
+    /* Make sure the WinRT app's IFramworkView can post events on
+       behalf of SDL:
+    */
+    SDL_WinRTGlobalApp->SetSDLWindowData(data);
+
+    /* All done! */
+    return 0;
+}
+
+void
+WINRT_DestroyWindow(_THIS, SDL_Window * window)
+{
+    SDL_WindowData * data = (SDL_WindowData *) window->driverdata;
+
+    if (SDL_WinRTGlobalApp->HasSDLWindowData() &&
+        SDL_WinRTGlobalApp->GetSDLWindowData()->sdlWindow == window)
+    {
+        SDL_WinRTGlobalApp->SetSDLWindowData(NULL);
+    }
+
+    if (data) {
+        // Delete the internal window data:
+        delete data;
+        data = NULL;
+    }
+}
+
+SDL_bool
+WINRT_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
+{
+    SDL_WindowData * data = (SDL_WindowData *) window->driverdata;
+
+    if (info->version.major <= SDL_MAJOR_VERSION) {
+        info->subsystem = SDL_SYSWM_WINDOWSRT;
+        info->info.winrt.window = reinterpret_cast<IUnknown *>(data->coreWindow.Get());
+        return SDL_TRUE;
+    } else {
+        SDL_SetError("Application not compiled with SDL %d.%d\n",
+                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
+        return SDL_FALSE;
+    }
+    return SDL_FALSE;
+}
+
+#endif /* SDL_VIDEO_DRIVER_WINRT */
+
+/* vi: set ts=4 sw=4 expandtab: */

src/video/windowsrt/SDL_winrtvideo.h

@@ -0,0 +1,40 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2012 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_config.h"
+
+#ifndef _SDL_winrtvideo_h
+#define _SDL_winrtvideo_h
+
+extern "C" {
+#include "../SDL_sysvideo.h"
+}
+
+#include <agile.h>
+
+struct SDL_WindowData
+{
+    SDL_Window *sdlWindow;
+    Platform::Agile<Windows::UI::Core::CoreWindow> coreWindow;
+};
+
+#endif /* _SDL_winrtvideo_h */
+
+/* vi: set ts=4 sw=4 expandtab: */