Integrated David Ludwig's support for Windows RT
authorSam Lantinga <slouken@libsdl.org>
Sun, 09 Mar 2014 11:36:47 -0700
changeset 8583 fb2933ca805f
parent 8303 7ee46ffa9c24 (current diff)
parent 8582 c3e9a2b93517 (diff)
child 8584 58a69af25ccc
Integrated David Ludwig's support for Windows RT
VisualC/SDL/SDL_VS2012.vcxproj
Xcode-iOS/SDL/SDL.xcodeproj/project.pbxproj
include/SDL_config.h
include/SDL_cpuinfo.h
include/SDL_egl.h
include/SDL_hints.h
include/SDL_main.h
include/SDL_opengles2.h
include/SDL_platform.h
include/SDL_stdinc.h
include/SDL_system.h
include/SDL_syswm.h
include/SDL_types.h
include/begin_code.h
include/close_code.h
src/SDL_assert.c
src/SDL_log.c
src/atomic/SDL_spinlock.c
src/audio/xaudio2/SDL_xaudio2.c
src/core/windows/SDL_windows.c
src/core/windows/SDL_windows.h
src/events/SDL_events.c
src/file/SDL_rwops.c
src/joystick/SDL_gamecontroller.c
src/joystick/SDL_gamecontrollerdb.h
src/joystick/SDL_sysjoystick.h
src/joystick/android/SDL_sysjoystick.c
src/loadso/windows/SDL_sysloadso.c
src/render/SDL_render.c
src/render/SDL_sysrender.h
src/render/opengles2/SDL_render_gles2.c
src/stdlib/SDL_stdlib.c
src/thread/SDL_thread_c.h
src/timer/windows/SDL_systimer.c
src/video/SDL_egl.c
src/video/SDL_sysvideo.h
src/video/SDL_video.c
src/video/uikit/SDL_uikitopengles.m
src/video/uikit/SDL_uikitview.m
src/video/uikit/SDL_uikitwindow.m
test/loopwave.c
test/testthread.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/VisualC-WinPhone/SDL/SDL-WinPhone_VS2012.vcxproj	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,404 @@
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/VisualC-WinRT/SDL-WinRT_VS2012.sln	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,32 @@
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+EndProject
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+		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
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+		{AEAEA3A2-D4E6-45B1-8EC6-53D84287FC14}.Release|x64.Build.0 = Release|x64
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/VisualC-WinRT/SDL/SDL-WinRT_VS2012.vcxproj	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,508 @@
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\ No newline at end of file
Binary file VisualC-WinRT/tests/loopwave/Assets/Logo.png has changed
Binary file VisualC-WinRT/tests/loopwave/Assets/SmallLogo.png has changed
Binary file VisualC-WinRT/tests/loopwave/Assets/SplashScreen.png has changed
Binary file VisualC-WinRT/tests/loopwave/Assets/StoreLogo.png has changed
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/VisualC-WinRT/tests/loopwave/Package.appxmanifest	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,42 @@
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+<Package xmlns="http://schemas.microsoft.com/appx/2010/manifest">
+
+  <Identity Name="1702c480-cf09-431e-a5e4-b21b283ec818"
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+            Version="1.0.0.0" />
+
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+    <PublisherDisplayName>David</PublisherDisplayName>
+    <Logo>Assets\StoreLogo.png</Logo>
+  </Properties>
+
+  <Prerequisites>
+    <OSMinVersion>6.2.1</OSMinVersion>
+    <OSMaxVersionTested>6.2.1</OSMaxVersionTested>
+  </Prerequisites>
+
+  <Resources>
+    <Resource Language="x-generate"/>
+  </Resources>
+
+  <Applications>
+    <Application Id="App"
+        Executable="$targetnametoken$.exe"
+        EntryPoint="loopwave_VS2012_WinRT.App">
+        <VisualElements
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+            Logo="Assets\Logo.png"
+            SmallLogo="Assets\SmallLogo.png"
+            Description="loopwave_VS2012_WinRT"
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+            BackgroundColor="#464646">
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+            <SplashScreen Image="Assets\SplashScreen.png" />
+        </VisualElements>
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+  <Capabilities>
+    <Capability Name="internetClient" />
+  </Capabilities>
+</Package>
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/VisualC-WinRT/tests/loopwave/loopwave_VS2012.vcxproj	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,170 @@
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+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
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+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
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+    <ProjectConfiguration Include="Debug|ARM">
+      <Configuration>Debug</Configuration>
+      <Platform>ARM</Platform>
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+    <ProjectConfiguration Include="Release|ARM">
+      <Configuration>Release</Configuration>
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+    <DefaultLanguage>en-US</DefaultLanguage>
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+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</CompileAsWinRT>
+    </ClCompile>
+    <ClCompile Include="..\..\..\test\loopwave.c">
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">false</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">false</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">false</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</CompileAsWinRT>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <Media Include="..\..\..\test\sample.wav" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\SDL\SDL-WinRT_VS2012.vcxproj">
+      <Project>{aeaea3a2-d4e6-45b1-8ec6-53d84287fc14}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
Binary file VisualC-WinRT/tests/loopwave/loopwave_VS2012_TemporaryKey.pfx has changed
Binary file VisualC-WinRT/tests/testthread/Assets/Logo.png has changed
Binary file VisualC-WinRT/tests/testthread/Assets/SmallLogo.png has changed
Binary file VisualC-WinRT/tests/testthread/Assets/SplashScreen.png has changed
Binary file VisualC-WinRT/tests/testthread/Assets/StoreLogo.png has changed
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/VisualC-WinRT/tests/testthread/Package.appxmanifest	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Package xmlns="http://schemas.microsoft.com/appx/2010/manifest">
+
+  <Identity Name="ca3178f1-b2b2-43bf-97dd-28ee1b7d32c5"
+            Publisher="CN=David"
+            Version="1.0.0.0" />
+
+  <Properties>
+    <DisplayName>testthread_VS2012_WinRT</DisplayName>
+    <PublisherDisplayName>David</PublisherDisplayName>
+    <Logo>Assets\StoreLogo.png</Logo>
+  </Properties>
+
+  <Prerequisites>
+    <OSMinVersion>6.2.1</OSMinVersion>
+    <OSMaxVersionTested>6.2.1</OSMaxVersionTested>
+  </Prerequisites>
+
+  <Resources>
+    <Resource Language="x-generate"/>
+  </Resources>
+
+  <Applications>
+    <Application Id="App"
+        Executable="$targetnametoken$.exe"
+        EntryPoint="testthread_VS2012_WinRT.App">
+        <VisualElements
+            DisplayName="testthread_VS2012_WinRT"
+            Logo="Assets\Logo.png"
+            SmallLogo="Assets\SmallLogo.png"
+            Description="testthread_VS2012_WinRT"
+            ForegroundText="light"
+            BackgroundColor="#464646">
+            <DefaultTile ShowName="allLogos" />
+            <SplashScreen Image="Assets\SplashScreen.png" />
+        </VisualElements>
+    </Application>
+  </Applications>
+  <Capabilities>
+    <Capability Name="internetClient" />
+  </Capabilities>
+</Package>
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/VisualC-WinRT/tests/testthread/testthread_VS2012.vcxproj	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,160 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|ARM">
+      <Configuration>Debug</Configuration>
+      <Platform>ARM</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|ARM">
+      <Configuration>Release</Configuration>
+      <Platform>ARM</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{a8705bee-d01d-46a4-b2ab-feedfb5fdd11}</ProjectGuid>
+    <RootNamespace>testthread_VS2012</RootNamespace>
+    <DefaultLanguage>en-US</DefaultLanguage>
+    <MinimumVisualStudioVersion>11.0</MinimumVisualStudioVersion>
+    <AppContainerApplication>true</AppContainerApplication>
+    <ProjectName>testthread</ProjectName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup>
+    <PackageCertificateKeyFile>testthread_VS2012_TemporaryKey.pfx</PackageCertificateKeyFile>
+  </PropertyGroup>
+  <ItemDefinitionGroup>
+    <Link>
+      <AdditionalDependencies>d2d1.lib; d3d11.lib; dxgi.lib; ole32.lib; windowscodecs.lib; dwrite.lib; %(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+    <ClCompile>
+      <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
+      <PrecompiledHeaderOutputFile>$(IntDir)pch.pch</PrecompiledHeaderOutputFile>
+      <AdditionalIncludeDirectories>$(ProjectDir);$(IntermediateOutputPath);$(ProjectDir)..\..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <DisableSpecificWarnings>4453</DisableSpecificWarnings>
+    </ClCompile>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Release'">
+    <ClCompile>
+      <PreprocessorDefinitions>NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">NotUsing</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">NotUsing</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">NotUsing</PrecompiledHeader>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">false</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</CompileAsWinRT>
+    </ClCompile>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Debug'">
+    <ClCompile>
+      <PreprocessorDefinitions>_DEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">NotUsing</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">NotUsing</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">NotUsing</PrecompiledHeader>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">false</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">false</CompileAsWinRT>
+    </ClCompile>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <Image Include="Assets\Logo.png" />
+    <Image Include="Assets\SmallLogo.png" />
+    <Image Include="Assets\StoreLogo.png" />
+    <Image Include="Assets\SplashScreen.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <AppxManifest Include="Package.appxmanifest">
+      <SubType>Designer</SubType>
+    </AppxManifest>
+    <None Include="testthread_VS2012_TemporaryKey.pfx" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\..\src\main\winrt\SDL_winrt_main_NonXAML.cpp">
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</CompileAsWinRT>
+    </ClCompile>
+    <ClCompile Include="..\..\..\test\testthread.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\SDL\SDL-WinRT_VS2012.vcxproj">
+      <Project>{aeaea3a2-d4e6-45b1-8ec6-53d84287fc14}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
Binary file VisualC-WinRT/tests/testthread/testthread_VS2012_TemporaryKey.pfx has changed
--- a/Xcode-iOS/SDL/SDL.xcodeproj/project.pbxproj	Sun Mar 09 10:38:30 2014 -0700
+++ b/Xcode-iOS/SDL/SDL.xcodeproj/project.pbxproj	Sun Mar 09 11:36:47 2014 -0700
@@ -561,6 +561,7 @@
 			);
 			name = CustomTemplate;
 			sourceTree = "<group>";
+			usesTabs = 0;
 		};
 		56A6702F18565E4F0007D20F /* dynapi */ = {
 			isa = PBXGroup;
--- a/include/SDL_config.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/include/SDL_config.h	Sun Mar 09 11:36:47 2014 -0700
@@ -33,6 +33,8 @@
 #include "SDL_config_premake.h"
 #elif defined(__WIN32__)
 #include "SDL_config_windows.h"
+#elif defined(__WINRT__)
+#include "SDL_config_winrt.h"
 #elif defined(__MACOSX__)
 #include "SDL_config_macosx.h"
 #elif defined(__IPHONEOS__)
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/SDL_config_winrt.h	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,191 @@
+/*
+  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.
+*/
+
+#ifndef _SDL_config_windows_h
+#define _SDL_config_windows_h
+
+#include "SDL_platform.h"
+
+/* This is a set of defines to configure the SDL features */
+
+#if !defined(_STDINT_H_) && (!defined(HAVE_STDINT_H) || !_HAVE_STDINT_H)
+#if defined(__GNUC__) || defined(__DMC__) || defined(__WATCOMC__)
+#define HAVE_STDINT_H	1
+#elif defined(_MSC_VER)
+typedef signed __int8 int8_t;
+typedef unsigned __int8 uint8_t;
+typedef signed __int16 int16_t;
+typedef unsigned __int16 uint16_t;
+typedef signed __int32 int32_t;
+typedef unsigned __int32 uint32_t;
+typedef signed __int64 int64_t;
+typedef unsigned __int64 uint64_t;
+#ifndef _UINTPTR_T_DEFINED
+#ifdef  _WIN64
+typedef unsigned __int64 uintptr_t;
+#else
+typedef unsigned int uintptr_t;
+#endif
+#define _UINTPTR_T_DEFINED
+#endif
+/* Older Visual C++ headers don't have the Win64-compatible typedefs... */
+#if ((_MSC_VER <= 1200) && (!defined(DWORD_PTR)))
+#define DWORD_PTR DWORD
+#endif
+#if ((_MSC_VER <= 1200) && (!defined(LONG_PTR)))
+#define LONG_PTR LONG
+#endif
+#else /* !__GNUC__ && !_MSC_VER */
+typedef signed char int8_t;
+typedef unsigned char uint8_t;
+typedef signed short int16_t;
+typedef unsigned short uint16_t;
+typedef signed int int32_t;
+typedef unsigned int uint32_t;
+typedef signed long long int64_t;
+typedef unsigned long long uint64_t;
+#ifndef _SIZE_T_DEFINED_
+#define _SIZE_T_DEFINED_
+typedef unsigned int size_t;
+#endif
+typedef unsigned int uintptr_t;
+#endif /* __GNUC__ || _MSC_VER */
+#endif /* !_STDINT_H_ && !HAVE_STDINT_H */
+
+#ifdef _WIN64
+# define SIZEOF_VOIDP 8
+#else
+# define SIZEOF_VOIDP 4
+#endif
+
+/* Useful headers */
+#define HAVE_LIBC 1
+#define HAVE_STDIO_H 1
+#define STDC_HEADERS 1
+#define HAVE_STRING_H 1
+#define HAVE_CTYPE_H 1
+#define HAVE_MATH_H 1
+#define HAVE_FLOAT_H 1
+#define HAVE_SIGNAL_H 1
+
+/* C library functions */
+#define HAVE_MALLOC 1
+#define HAVE_CALLOC 1
+#define HAVE_REALLOC 1
+#define HAVE_FREE 1
+#define HAVE_ALLOCA 1
+#define HAVE_QSORT 1
+#define HAVE_ABS 1
+#define HAVE_MEMSET 1
+#define HAVE_MEMCPY 1
+#define HAVE_MEMMOVE 1
+#define HAVE_MEMCMP 1
+#define HAVE_STRLEN 1
+#define HAVE__STRREV 1
+#define HAVE__STRUPR 1
+//#define HAVE__STRLWR 1	// TODO, WinRT: consider using _strlwr_s instead
+#define HAVE_STRCHR 1
+#define HAVE_STRRCHR 1
+#define HAVE_STRSTR 1
+//#define HAVE_ITOA 1   // TODO, WinRT: consider using _itoa_s instead
+//#define HAVE__LTOA 1	// TODO, WinRT: consider using _ltoa_s instead
+//#define HAVE__ULTOA 1	// TODO, WinRT: consider using _ultoa_s instead
+#define HAVE_STRTOL 1
+#define HAVE_STRTOUL 1
+//#define HAVE_STRTOLL 1
+#define HAVE_STRTOD 1
+#define HAVE_ATOI 1
+#define HAVE_ATOF 1
+#define HAVE_STRCMP 1
+#define HAVE_STRNCMP 1
+#define HAVE__STRICMP 1
+#define HAVE__STRNICMP 1
+#define HAVE_VSNPRINTF 1
+//#define HAVE_SSCANF 1	// TODO, WinRT: consider using sscanf_s instead
+#define HAVE_M_PI 1
+#define HAVE_ATAN 1
+#define HAVE_ATAN2 1
+#define HAVE_CEIL 1
+#define HAVE__COPYSIGN 1
+#define HAVE_COS 1
+#define HAVE_COSF 1
+#define HAVE_FABS 1
+#define HAVE_FLOOR 1
+#define HAVE_LOG 1
+#define HAVE_POW 1
+//#define HAVE_SCALBN 1
+#define HAVE__SCALB 1
+#define HAVE_SIN 1
+#define HAVE_SINF 1
+#define HAVE_SQRT 1
+#define HAVE__FSEEKI64 1
+
+/* Enable various audio drivers */
+#define SDL_AUDIO_DRIVER_XAUDIO2	1
+#define SDL_AUDIO_DRIVER_DISK	1
+#define SDL_AUDIO_DRIVER_DUMMY	1
+
+/* Enable various input drivers */
+// TODO, WinRT: Get haptic support working
+#define SDL_HAPTIC_DISABLED	1
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+#define SDL_JOYSTICK_DISABLED 1
+#else
+#define SDL_JOYSTICK_XINPUT 1
+#endif
+
+/* Enable various shared object loading systems */
+#define SDL_LOADSO_WINDOWS	1
+
+/* Enable various threading systems */
+#define SDL_THREAD_STDCPP   1
+
+/* Enable various timer systems */
+#define SDL_TIMER_WINDOWS	1
+
+/* Enable various video drivers */
+#define SDL_VIDEO_DRIVER_WINRT	1
+#define SDL_VIDEO_DRIVER_DUMMY  1
+
+/* Enable OpenGL ES 2.0 (via a modified ANGLE library) */
+#if WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP    /* TODO, WinRT: try adding OpenGL ES 2 support for Windows Phone 8 */
+#define SDL_VIDEO_OPENGL_ES2 1
+#define SDL_VIDEO_OPENGL_EGL 1
+#endif
+
+/* Enable appropriate renderer(s) */
+#define SDL_VIDEO_RENDER_D3D11  1
+
+#if SDL_VIDEO_OPENGL_ES2
+#define SDL_VIDEO_RENDER_OGL_ES2 1
+#endif
+
+/* Enable system power support */
+// TODO, WinRT: investigate system power support.  The Win32-based APIs don't work on WinRT.
+#define SDL_POWER_DISABLED  1
+
+/* Enable assembly routines (Win64 doesn't have inline asm) */
+#ifndef _WIN64
+#define SDL_ASSEMBLY_ROUTINES	1
+#endif
+
+#endif /* _SDL_config_windows_h */
--- a/include/SDL_cpuinfo.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/include/SDL_cpuinfo.h	Sun Mar 09 11:36:47 2014 -0700
@@ -32,7 +32,7 @@
 
 /* Need to do this here because intrin.h has C++ code in it */
 /* Visual Studio 2005 has a bug where intrin.h conflicts with winnt.h */
-#if defined(_MSC_VER) && (_MSC_VER >= 1500)
+#if defined(_MSC_VER) && (_MSC_VER >= 1500) && (defined(_M_IX86) || defined(_M_X64))
 #include <intrin.h>
 #ifndef _WIN64
 #define __MMX__
--- a/include/SDL_egl.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/include/SDL_egl.h	Sun Mar 09 11:36:47 2014 -0700
@@ -391,9 +391,16 @@
 #endif
 #include <windows.h>
 
+#if __WINRT__
+#include <Unknwn.h>
+typedef IUnknown * EGLNativeWindowType;
+typedef int EGLNativeDisplayType;
+typedef HBITMAP EGLNativePixmapType;
+#else
 typedef HDC     EGLNativeDisplayType;
 typedef HBITMAP EGLNativePixmapType;
 typedef HWND    EGLNativeWindowType;
+#endif
 
 #elif defined(__WINSCW__) || defined(__SYMBIAN32__)  /* Symbian */
 
--- a/include/SDL_hints.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/include/SDL_hints.h	Sun Mar 09 11:36:47 2014 -0700
@@ -106,6 +106,19 @@
 #define SDL_HINT_RENDER_DIRECT3D_THREADSAFE "SDL_RENDER_DIRECT3D_THREADSAFE"
 
 /**
+ *  \brief  A variable controlling whether to enable Direct3D 11+'s Debug Layer.
+ *
+ *  This variable does not have any effect on the Direct3D 9 based renderer.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - Disable Debug Layer use
+ *    "1"       - Enable Debug Layer use
+ *
+ *  By default, SDL does not use Direct3D Debug Layer.
+ */
+#define SDL_HINT_RENDER_DIRECT3D11_DEBUG    "SDL_HINT_RENDER_DIRECT3D11_DEBUG"
+
+/**
  *  \brief  A variable controlling the scaling quality
  *
  *  This variable can be set to the following values:
@@ -334,7 +347,7 @@
 *  If this hint is set before SDL_CreateWindowFrom() and the SDL_Window* it is set to has
 *  SDL_WINDOW_OPENGL set (and running on WGL only, currently), then two things will occur on the newly 
 *  created SDL_Window:
-
+*
 *  1. Its pixel format will be set to the same pixel format as this SDL_Window.  This is
 *  needed for example when sharing an OpenGL context across multiple windows.
 *
@@ -347,6 +360,62 @@
 */
 #define SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT    "SDL_VIDEO_WINDOW_SHARE_PIXEL_FORMAT"
 
+/*
+ *  \brief A URL to a WinRT app's privacy policy
+ *
+ *  All network-enabled WinRT apps must make a privacy policy available to its
+ *  users.  On Windows 8, 8.1, and RT, Microsoft mandates that this policy be
+ *  be available in the Windows Settings charm, as accessed from within the app.
+ *  SDL provides code to add a URL-based link there, which can point to the app's
+ *  privacy policy.
+ *
+ *  To setup a URL to an app's privacy policy, set SDL_HINT_WINRT_PRIVACY_POLICY_URL
+ *  before calling any SDL_Init functions.  The contents of the hint should
+ *  be a valid URL.  For example, "http://www.example.com".
+ *
+ *  The default value is "", which will prevent SDL from adding a privacy policy
+ *  link to the Settings charm.  This hint should only be set during app init.
+ *
+ *  The label text of an app's "Privacy Policy" link may be customized via another
+ *  hint, SDL_HINT_WINRT_PRIVACY_POLICY_LABEL.
+ *
+ *  Please note that on Windows Phone, Microsoft does not provide standard UI
+ *  for displaying a privacy policy link, and as such, SDL_HINT_WINRT_PRIVACY_POLICY_URL
+ *  will not get used on that platform.  Network-enabled phone apps should display
+ *  their privacy policy through some other, in-app means.
+ */
+#define SDL_HINT_WINRT_PRIVACY_POLICY_URL "SDL_HINT_WINRT_PRIVACY_POLICY_URL"
+
+/** \brief Label text for a WinRT app's privacy policy link
+ *
+ *  Network-enabled WinRT apps must include a privacy policy.  On Windows 8, 8.1, and RT,
+ *  Microsoft mandates that this policy be available via the Windows Settings charm.
+ *  SDL provides code to add a link there, with it's label text being set via the
+ *  optional hint, SDL_HINT_WINRT_PRIVACY_POLICY_LABEL.
+ *
+ *  Please note that a privacy policy's contents are not set via this hint.  A separate
+ *  hint, SDL_HINT_WINRT_PRIVACY_POLICY_URL, is used to link to the actual text of the
+ *  policy.
+ *
+ *  The contents of this hint should be encoded as a UTF8 string.
+ *
+ *  The default value is "Privacy Policy".  This hint should only be set during app
+ *  initialization, preferably before any calls to SDL_Init.
+ *
+ *  For additional information on linking to a privacy policy, see the documentation for
+ *  SDL_HINT_WINRT_PRIVACY_POLICY_URL.
+ */
+#define SDL_HINT_WINRT_PRIVACY_POLICY_LABEL "SDL_HINT_WINRT_PRIVACY_POLICY_LABEL"
+
+/** \brief If set to 1, back button press events on Windows Phone 8+ will be marked as handled.
+ *
+ *  TODO, WinRT: document SDL_HINT_WINRT_HANDLE_BACK_BUTTON need and use
+ *  For now, more details on why this is needed can be found at the
+ *  beginning of the following web page:
+ *  http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj247550(v=vs.105).aspx
+ */
+#define SDL_HINT_WINRT_HANDLE_BACK_BUTTON "SDL_HINT_WINRT_HANDLE_BACK_BUTTON"
+
 /**
  *  \brief  A variable that dictates policy for fullscreen Spaces on Mac OS X.
  *
--- a/include/SDL_main.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/include/SDL_main.h	Sun Mar 09 11:36:47 2014 -0700
@@ -39,6 +39,18 @@
  */
 #define SDL_MAIN_AVAILABLE
 
+#elif defined(__WINRT__)
+/* On WinRT, SDL provides a main function that initializes CoreApplication,
+   creating an instance of IFrameworkView in the process.
+
+   Please note that #include'ing SDL_main.h is not enough to get a main()
+   function working.  In non-XAML apps, the file,
+   src/main/winrt/SDL_WinRT_main_NonXAML.cpp, or a copy of it, must be compiled
+   into the app itself.  In XAML apps, the function, SDL_WinRTRunApp must be
+   called, with a pointer to the Direct3D-hosted XAML control passed in.
+*/
+#define SDL_MAIN_NEEDED
+
 #elif defined(__IPHONEOS__)
 /* On iOS SDL provides a main function that creates an application delegate
    and starts the iOS application run loop.
@@ -115,6 +127,24 @@
 #endif /* __WIN32__ */
 
 
+#ifdef __WINRT__
+
+/**
+ *  \brief Initializes and launches an SDL/WinRT application.
+ *
+ *  \param mainFunction The SDL app's C-style main().
+ *  \param xamlBackgroundPanel An optional, XAML-based, background panel.
+ *     For Non-XAML apps, this value must be set to NULL.  For XAML apps,
+ *     pass in a pointer to a SwapChainBackgroundPanel, casted to an
+ *     IInspectable (via reinterpret_cast).
+ *  \ret 0 on success, -1 on failure.  On failure, use SDL_GetError to retrieve more
+ *      information on the failure.
+ */
+extern DECLSPEC int SDLCALL SDL_WinRTRunApp(int (*mainFunction)(int, char **), void * xamlBackgroundPanel);
+
+#endif /* __WINRT__ */
+
+
 #ifdef __cplusplus
 }
 #endif
--- a/include/SDL_platform.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/include/SDL_platform.h	Sun Mar 09 11:36:47 2014 -0700
@@ -113,10 +113,27 @@
 #undef __SOLARIS__
 #define __SOLARIS__ 1
 #endif
+
 #if defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__)
+/* Try to find out if we're compiling for WinRT or non-WinRT */
+#if defined(_MSC_VER) && (_MSC_VER >= 1700)	/* _MSC_VER==1700 for MSVC 2012 */
+#include <winapifamily.h>
+#endif /* _MSC_VER >= 1700 */
+/* Default to classic, Win32/Win64/Desktop compilation either if:
+     1. the version of Windows is explicity set to a 'Desktop' (non-Metro) app
+     2. the version of Windows cannot be determined via winapifamily.h
+   If neither is true, then see if we're compiling for WinRT.
+ */
+#if ! defined(WINAPI_FAMILY_PARTITION) || WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
 #undef __WINDOWS__
 #define __WINDOWS__   1
-#endif
+/* See if we're compiling for WinRT: */
+#elif WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
+#undef __WINRT__
+#define __WINRT__ 1
+#endif /* ! defined(WINAPI_FAMILY_PARTITION) */
+#endif /* defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__) */
+
 #if defined(__WINDOWS__)
 #undef __WIN32__
 #define __WIN32__ 1
--- a/include/SDL_stdinc.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/include/SDL_stdinc.h	Sun Mar 09 11:36:47 2014 -0700
@@ -71,8 +71,18 @@
 # include <ctype.h>
 #endif
 #ifdef HAVE_MATH_H
+# if defined(__WINRT__)
+/* Defining _USE_MATH_DEFINES is required to get M_PI to be defined on
+   WinRT.  See http://msdn.microsoft.com/en-us/library/4hwaceh6.aspx
+   for more information.
+*/
+#  define _USE_MATH_DEFINES
+# endif
 # include <math.h>
 #endif
+#ifdef HAVE_FLOAT_H
+# include <float.h>
+#endif
 #if defined(HAVE_ICONV) && defined(HAVE_ICONV_H)
 # include <iconv.h>
 #endif
--- a/include/SDL_system.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/include/SDL_system.h	Sun Mar 09 11:36:47 2014 -0700
@@ -116,6 +116,70 @@
 
 #endif /* __ANDROID__ */
 
+/* Platform specific functions for WinRT */
+#if defined(__WINRT__) && __WINRT__
+
+/**
+ *  \brief WinRT / Windows Phone path types
+ */
+typedef enum
+{
+    /** \brief The installed app's root directory.
+        Files here are likely to be read-only. */
+    SDL_WINRT_PATH_INSTALLED_LOCATION,
+
+    /** \brief The app's local data store.  Files may be written here */
+    SDL_WINRT_PATH_LOCAL_FOLDER,
+
+    /** \brief The app's roaming data store.  Unsupported on Windows Phone.
+        Files written here may be copied to other machines via a network
+        connection.
+    */
+    SDL_WINRT_PATH_ROAMING_FOLDER,
+
+    /** \brief The app's temporary data store.  Unsupported on Windows Phone.
+        Files written here may be deleted at any time. */
+    SDL_WINRT_PATH_TEMP_FOLDER
+} SDL_WinRT_Path;
+
+
+/**
+ *  \brief Retrieves a WinRT defined path on the local file system
+ *
+ *  \note Documentation on most app-specific path types on WinRT
+ *      can be found on MSDN, at the URL:
+ *      http://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx
+ *
+ *  \param pathType The type of path to retrieve.
+ *  \ret A UCS-2 string (16-bit, wide-char) containing the path, or NULL
+ *      if the path is not available for any reason.  Not all paths are
+ *      available on all versions of Windows.  This is especially true on
+ *      Windows Phone.  Check the documentation for the given
+ *      SDL_WinRT_Path for more information on which path types are
+ *      supported where.
+ */
+extern DECLSPEC const wchar_t * SDLCALL SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path pathType);
+
+/**
+ *  \brief Retrieves a WinRT defined path on the local file system
+ *
+ *  \note Documentation on most app-specific path types on WinRT
+ *      can be found on MSDN, at the URL:
+ *      http://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx
+ *
+ *  \param pathType The type of path to retrieve.
+ *  \ret A UTF-8 string (8-bit, multi-byte) containing the path, or NULL
+ *      if the path is not available for any reason.  Not all paths are
+ *      available on all versions of Windows.  This is especially true on
+ *      Windows Phone.  Check the documentation for the given
+ *      SDL_WinRT_Path for more information on which path types are
+ *      supported where.
+ */
+extern DECLSPEC const char * SDLCALL SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType);
+
+#endif /* __WINRT__ */
+
+
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
 }
--- a/include/SDL_syswm.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/include/SDL_syswm.h	Sun Mar 09 11:36:47 2014 -0700
@@ -56,6 +56,10 @@
 #include <windows.h>
 #endif
 
+#if defined(SDL_VIDEO_DRIVER_WINRT)
+#include <Inspectable.h>
+#endif
+
 /* This is the structure for custom window manager events */
 #if defined(SDL_VIDEO_DRIVER_X11)
 #if defined(__APPLE__) && defined(__MACH__)
@@ -90,6 +94,7 @@
 #include <UIKit/UIKit.h>
 #else
 typedef struct _UIWindow UIWindow;
+typedef struct _UIViewController UIViewController;
 #endif
 #endif
 
@@ -105,6 +110,7 @@
 {
     SDL_SYSWM_UNKNOWN,
     SDL_SYSWM_WINDOWS,
+    SDL_SYSWM_WINRT,
     SDL_SYSWM_X11,
     SDL_SYSWM_DIRECTFB,
     SDL_SYSWM_COCOA,
@@ -175,6 +181,12 @@
             HWND window;                /**< The window handle */
         } win;
 #endif
+#if defined(SDL_VIDEO_DRIVER_WINRT)
+        struct
+        {
+            IInspectable * window;      /**< The WinRT CoreWindow */
+        } winrt;
+#endif
 #if defined(SDL_VIDEO_DRIVER_X11)
         struct
         {
--- a/include/begin_code.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/include/begin_code.h	Sun Mar 09 11:36:47 2014 -0700
@@ -43,7 +43,7 @@
 
 /* Some compilers use a special export keyword */
 #ifndef DECLSPEC
-# if defined(__WIN32__)
+# if defined(__WIN32__) || defined(__WINRT__)
 #  ifdef __BORLANDC__
 #   ifdef BUILD_SDL
 #    define DECLSPEC
@@ -66,7 +66,7 @@
 
 /* By default SDL uses the C calling convention */
 #ifndef SDLCALL
-#if defined(__WIN32__) && !defined(__GNUC__)
+#if (defined(__WIN32__) || defined(__WINRT__)) && !defined(__GNUC__)
 #define SDLCALL __cdecl
 #else
 #define SDLCALL
--- a/src/SDL_assert.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/SDL_assert.c	Sun Mar 09 11:36:47 2014 -0700
@@ -39,8 +39,10 @@
 #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);
--- a/src/SDL_log.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/SDL_log.c	Sun Mar 09 11:36:47 2014 -0700
@@ -20,7 +20,7 @@
 */
 #include "./SDL_internal.h"
 
-#if defined(__WIN32__)
+#if defined(__WIN32__) || defined(__WINRT__)
 #include "core/windows/SDL_windows.h"
 #endif
 
@@ -318,13 +318,15 @@
 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. */
     {
         char *output;
         size_t length;
         LPTSTR tstr;
+
+#ifndef __WINRT__
         BOOL attachResult;
         DWORD attachError;
         unsigned long charsWritten; 
@@ -356,6 +358,7 @@
                         stderrHandle = GetStdHandle(STD_ERROR_HANDLE);
                 }
         }
+#endif /* ifndef __WINRT__ */
 
         length = SDL_strlen(SDL_priority_prefixes[priority]) + 2 + SDL_strlen(message) + 1 + 1 + 1;
         output = SDL_stack_alloc(char, length);
@@ -365,6 +368,7 @@
         /* Output to debugger */
         OutputDebugString(tstr);
        
+#ifndef __WINRT__
         /* Screen output to stderr, if console was attached. */
         if (consoleAttached == 1) {
                 if (!WriteConsole(stderrHandle, tstr, lstrlen(tstr), &charsWritten, NULL)) {
@@ -374,6 +378,7 @@
                     OutputDebugString(TEXT("Insufficient heap memory to write message\r\n"));
                 }
         }
+#endif /* ifndef __WINRT__ */
 
         SDL_free(tstr);
         SDL_stack_free(output);
--- a/src/atomic/SDL_spinlock.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/atomic/SDL_spinlock.c	Sun Mar 09 11:36:47 2014 -0700
@@ -20,7 +20,7 @@
 */
 #include "../SDL_internal.h"
 
-#ifdef __WIN32__
+#if defined(__WIN32__) || defined(__WINRT__)
 #include "../core/windows/SDL_windows.h"
 #endif
 
--- a/src/audio/xaudio2/SDL_xaudio2.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/audio/xaudio2/SDL_xaudio2.c	Sun Mar 09 11:36:47 2014 -0700
@@ -18,6 +18,32 @@
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
+
+/* WinRT NOTICE:
+
+   A few changes to SDL's XAudio2 backend were warranted by API
+   changes to Windows.  Many, but not all of these are documented by Microsoft
+   at:
+   http://blogs.msdn.com/b/chuckw/archive/2012/04/02/xaudio2-and-windows-8-consumer-preview.aspx
+
+   1. Windows' thread synchronization function, CreateSemaphore, was removed
+      from WinRT.  SDL's semaphore API was substituted instead.
+   2. The method calls, IXAudio2::GetDeviceCount and IXAudio2::GetDeviceDetails
+      were removed from the XAudio2 API.  Microsoft is telling developers to
+      use APIs in Windows::Foundation instead.
+      For SDL, the missing methods were reimplemented using the APIs Microsoft
+      said to use.
+   3. CoInitialize and CoUninitialize are not available in WinRT.
+      These calls were removed, as COM will have been initialized earlier,
+      at least by the call to the WinRT app's main function
+      (aka 'int main(Platform::Array<Platform::String^>^)).  (DLudwig:
+      This was my understanding of how WinRT: the 'main' function uses
+      a tag of [MTAThread], which should initialize COM.  My understanding
+      of COM is somewhat limited, and I may be incorrect here.)
+   4. IXAudio2::CreateMasteringVoice changed its integer-based 'DeviceIndex'
+      argument to a string-based one, 'szDeviceId'.  In WinRT, the
+      string-based argument will be used.
+*/
 #include "../../SDL_internal.h"
 
 #if SDL_AUDIO_DRIVER_XAUDIO2
@@ -31,6 +57,9 @@
 #ifdef __GNUC__
 /* The configure script already did any necessary checking */
 #  define SDL_XAUDIO2_HAS_SDK 1
+#elif defined(__WINRT__)
+/* WinRT always has access to the .the XAudio 2 SDK */
+#  define SDL_XAUDIO2_HAS_SDK
 #else
 /* XAudio2 exists as of the March 2008 DirectX SDK 
    The XAudio2 implementation available in the Windows 8 SDK targets Windows 8 and newer.
@@ -42,16 +71,36 @@
 #else
 #  define SDL_XAUDIO2_HAS_SDK 1
 #endif
-#endif /* __GNUC__ */
+#endif
 
 #ifdef SDL_XAUDIO2_HAS_SDK
 
+/* Check to see if we're compiling for XAudio 2.8, or higher. */
+#ifdef WINVER
+#if WINVER >= 0x0602  /* Windows 8 SDK or higher? */
+#define SDL_XAUDIO2_WIN8 1
+#endif
+#endif
+
+/* The XAudio header file, when #include'd on WinRT, will only compile in C++
+   files, but not C.  A few preprocessor-based hacks are defined below in order
+   to get xaudio2.h to compile in the C/non-C++ file, SDL_xaudio2.c.
+ */
+#ifdef __WINRT__
+#define uuid(x)
+#define DX_BUILD
+#endif
+
 #define INITGUID 1
 #include <xaudio2.h>
 
 /* Hidden "this" pointer for the audio functions */
 #define _THIS   SDL_AudioDevice *this
 
+#ifdef __WINRT__
+#include "SDL_xaudio2_winrthelpers.h"
+#endif
+
 /* Fixes bug 1210 where some versions of gcc need named parameters */
 #ifdef __GNUC__
 #ifdef THIS
@@ -69,7 +118,7 @@
     IXAudio2 *ixa2;
     IXAudio2SourceVoice *source;
     IXAudio2MasteringVoice *mastering;
-    HANDLE semaphore;
+    SDL_sem * semaphore;
     Uint8 *mixbuf;
     int mixlen;
     Uint8 *nextbuf;
@@ -114,7 +163,7 @@
 {
     /* Just signal the SDL audio thread and get out of XAudio2's way. */
     SDL_AudioDevice *this = (SDL_AudioDevice *) data;
-    ReleaseSemaphore(this->hidden->semaphore, 1, NULL);
+    SDL_SemPost(this->hidden->semaphore);
 }
 
 static void STDMETHODCALLTYPE
@@ -180,7 +229,7 @@
 XAUDIO2_WaitDevice(_THIS)
 {
     if (this->enabled) {
-        WaitForSingleObject(this->hidden->semaphore, INFINITE);
+        SDL_SemWait(this->hidden->semaphore);
     }
 }
 
@@ -191,10 +240,18 @@
     XAUDIO2_VOICE_STATE state;
     SDL_assert(!this->enabled);  /* flag that stops playing. */
     IXAudio2SourceVoice_Discontinuity(source);
+#if SDL_XAUDIO2_WIN8
+    IXAudio2SourceVoice_GetState(source, &state, 0);
+#else
     IXAudio2SourceVoice_GetState(source, &state);
+#endif
     while (state.BuffersQueued > 0) {
-        WaitForSingleObject(this->hidden->semaphore, INFINITE);
+        SDL_SemWait(this->hidden->semaphore);
+#if SDL_XAUDIO2_WIN8
+        IXAudio2SourceVoice_GetState(source, &state, 0);
+#else
         IXAudio2SourceVoice_GetState(source, &state);
+#endif
     }
 }
 
@@ -223,7 +280,7 @@
         }
         SDL_free(this->hidden->mixbuf);
         if (this->hidden->semaphore != NULL) {
-            CloseHandle(this->hidden->semaphore);
+            SDL_DestroySemaphore(this->hidden->semaphore);
         }
 
         SDL_free(this->hidden);
@@ -240,7 +297,11 @@
     SDL_AudioFormat test_format = SDL_FirstAudioFormat(this->spec.format);
     IXAudio2 *ixa2 = NULL;
     IXAudio2SourceVoice *source = NULL;
+#if defined(SDL_XAUDIO2_WIN8)
+    LPCWSTR devId = NULL;
+#else
     UINT32 devId = 0;  /* 0 == system default device. */
+#endif
 
     static IXAudio2VoiceCallbackVtbl callbacks_vtable = {
         VoiceCBOnVoiceProcessPassStart,
@@ -260,6 +321,18 @@
         return SDL_SetError("XAudio2: XAudio2Create() failed at open.");
     }
 
+    /*
+    XAUDIO2_DEBUG_CONFIGURATION debugConfig;
+    debugConfig.TraceMask = XAUDIO2_LOG_ERRORS; //XAUDIO2_LOG_WARNINGS | XAUDIO2_LOG_DETAIL | XAUDIO2_LOG_FUNC_CALLS | XAUDIO2_LOG_TIMING | XAUDIO2_LOG_LOCKS | XAUDIO2_LOG_MEMORY | XAUDIO2_LOG_STREAMING;
+    debugConfig.BreakMask = XAUDIO2_LOG_ERRORS; //XAUDIO2_LOG_WARNINGS;
+    debugConfig.LogThreadID = TRUE;
+    debugConfig.LogFileline = TRUE;
+    debugConfig.LogFunctionName = TRUE;
+    debugConfig.LogTiming = TRUE;
+    ixa2->SetDebugConfiguration(&debugConfig);
+    */
+
+#if ! defined(__WINRT__)
     if (devname != NULL) {
         UINT32 devcount = 0;
         UINT32 i = 0;
@@ -288,6 +361,7 @@
             return SDL_SetError("XAudio2: Requested device not found.");
         }
     }
+#endif
 
     /* Initialize all variables that we clean on shutdown */
     this->hidden = (struct SDL_PrivateAudioData *)
@@ -299,7 +373,7 @@
     SDL_memset(this->hidden, 0, (sizeof *this->hidden));
 
     this->hidden->ixa2 = ixa2;
-    this->hidden->semaphore = CreateSemaphore(NULL, 1, 2, NULL);
+    this->hidden->semaphore = SDL_CreateSemaphore(1);
     if (this->hidden->semaphore == NULL) {
         XAUDIO2_CloseDevice(this);
         return SDL_SetError("XAudio2: CreateSemaphore() failed!");
@@ -342,9 +416,15 @@
        stereo output to appropriate surround sound configurations
        instead of clamping to 2 channels, even though we'll configure the
        Source Voice for whatever number of channels you supply. */
+#if SDL_XAUDIO2_WIN8
+    result = IXAudio2_CreateMasteringVoice(ixa2, &this->hidden->mastering,
+                                           XAUDIO2_DEFAULT_CHANNELS,
+                                           this->spec.freq, 0, devId, NULL, AudioCategory_GameEffects);
+#else
     result = IXAudio2_CreateMasteringVoice(ixa2, &this->hidden->mastering,
                                            XAUDIO2_DEFAULT_CHANNELS,
                                            this->spec.freq, 0, devId, NULL);
+#endif
     if (result != S_OK) {
         XAUDIO2_CloseDevice(this);
         return SDL_SetError("XAudio2: Couldn't create mastering voice");
@@ -363,11 +443,23 @@
         waveformat.nChannels * (waveformat.wBitsPerSample / 8);
     waveformat.nAvgBytesPerSec =
         waveformat.nSamplesPerSec * waveformat.nBlockAlign;
+    waveformat.cbSize = sizeof(waveformat);
 
+#ifdef __WINRT__
+    // DLudwig: for now, make XAudio2 do sample rate conversion, just to
+    // get the loopwave test to work.
+    //
+    // TODO, WinRT: consider removing WinRT-specific source-voice creation code from SDL_xaudio2.c
+    result = IXAudio2_CreateSourceVoice(ixa2, &source, &waveformat,
+                                        0,
+                                        1.0f, &callbacks, NULL, NULL);
+#else
     result = IXAudio2_CreateSourceVoice(ixa2, &source, &waveformat,
                                         XAUDIO2_VOICE_NOSRC |
                                         XAUDIO2_VOICE_NOPITCH,
                                         1.0f, &callbacks, NULL, NULL);
+
+#endif
     if (result != S_OK) {
         XAUDIO2_CloseDevice(this);
         return SDL_SetError("XAudio2: Couldn't create source voice");
@@ -393,7 +485,9 @@
 static void
 XAUDIO2_Deinitialize(void)
 {
+#if defined(__WIN32__)
     WIN_CoUninitialize();
+#endif
 }
 
 #endif  /* SDL_XAUDIO2_HAS_SDK */
@@ -408,13 +502,18 @@
 #else
     /* XAudio2Create() is a macro that uses COM; we don't load the .dll */
     IXAudio2 *ixa2 = NULL;
+#if defined(__WIN32__)
+    // TODO, WinRT: Investigate using CoInitializeEx here
     if (FAILED(WIN_CoInitialize())) {
         SDL_SetError("XAudio2: CoInitialize() failed");
         return 0;
     }
+#endif
 
     if (XAudio2Create(&ixa2, 0, XAUDIO2_DEFAULT_PROCESSOR) != S_OK) {
+#if defined(__WIN32__)
         WIN_CoUninitialize();
+#endif
         SDL_SetError("XAudio2: XAudio2Create() failed at initialization");
         return 0;  /* not available. */
     }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/audio/xaudio2/SDL_xaudio2_winrthelpers.cpp	Sun Mar 09 11:36:47 2014 -0700
@@ -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
+
+extern "C" HRESULT __cdecl 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
+}
+
+extern "C" 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
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/audio/xaudio2/SDL_xaudio2_winrthelpers.h	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,52 @@
+
+#pragma once
+
+//
+// Re-implementation of methods removed from XAudio2 (in WinRT):
+//
+
+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;
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+HRESULT IXAudio2_GetDeviceCount(IXAudio2 * unused, UINT32 * devcount);
+HRESULT IXAudio2_GetDeviceDetails(IXAudio2 * unused, UINT32 index, XAUDIO2_DEVICE_DETAILS * details);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+//
+// C-style macros to call XAudio2's methods in C++:
+//
+#ifdef __cplusplus
+/*
+#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))
+*/
+#endif // ifdef __cplusplus
--- a/src/core/windows/SDL_windows.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/core/windows/SDL_windows.c	Sun Mar 09 11:36:47 2014 -0700
@@ -20,26 +20,33 @@
 */
 #include "../../SDL_internal.h"
 
-#ifdef __WIN32__
+#if defined(__WIN32__) || defined(__WINRT__)
 
 #include "SDL_windows.h"
 #include "SDL_error.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_SetErrorFromHRESULT(const char *prefix, HRESULT hr)
+{
+    TCHAR buffer[1024];
+    char *message;
+    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);
+    SDL_free(message);
+    return -1;
+}
 
 /* Sets an error message based on GetLastError() */
 int
 WIN_SetError(const char *prefix)
 {
-    TCHAR buffer[1024];
-    char *message;
-    FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(), 0,
-                  buffer, SDL_arraysize(buffer), NULL);
-    message = WIN_StringToUTF8(buffer);
-    SDL_SetError("%s%s%s", prefix ? prefix : "", prefix ? ": " : "", message);
-    SDL_free(message);
-    return -1;
+    return WIN_SetErrorFromHRESULT(prefix, GetLastError());
 }
 
 HRESULT
@@ -50,6 +57,14 @@
 
        If you need multi-threaded mode, call CoInitializeEx() before SDL_Init()
     */
+#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
     HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
     if (hr == RPC_E_CHANGED_MODE) {
         hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
@@ -62,12 +77,15 @@
     }
 
     return hr;
+#endif
 }
 
 void
 WIN_CoUninitialize(void)
 {
+#ifndef __WINRT__
     CoUninitialize();
+#endif
 }
 
 #endif /* __WIN32__ */
--- a/src/core/windows/SDL_windows.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/core/windows/SDL_windows.h	Sun Mar 09 11:36:47 2014 -0700
@@ -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>
 
@@ -44,6 +46,9 @@
 #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);
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/core/winrt/SDL_winrtapp_common.cpp	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,16 @@
+
+#include <SDL_system.h>
+#include "SDL_winrtapp_direct3d.h"
+#include "SDL_winrtapp_xaml.h"
+
+int (*WINRT_SDLAppEntryPoint)(int, char **) = NULL;
+
+extern "C" DECLSPEC int
+SDL_WinRTRunApp(int (*mainFunction)(int, char **), void * xamlBackgroundPanel)
+{
+    if (xamlBackgroundPanel) {
+        return SDL_WinRTInitXAMLApp(mainFunction, xamlBackgroundPanel);
+    } else {
+        return SDL_WinRTInitNonXAMLApp(mainFunction);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/core/winrt/SDL_winrtapp_common.h	Sun Mar 09 11:36:47 2014 -0700
@@ -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_winrtapp_common_h
+#define _SDL_winrtapp_common_h
+
+/* A pointer to the app's C-style main() function (which is a different
+   function than the WinRT app's actual entry point).
+ */
+extern int (*WINRT_SDLAppEntryPoint)(int, char **);
+
+#endif // ifndef _SDL_winrtapp_common_h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/core/winrt/SDL_winrtapp_direct3d.cpp	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,668 @@
+
+/* Standard C++11 includes */
+#include <functional>
+#include <string>
+#include <sstream>
+using namespace std;
+
+
+/* Windows includes */
+#include "ppltasks.h"
+using namespace concurrency;
+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;
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+using namespace Windows::Phone::UI::Input;
+#endif
+
+
+/* SDL includes */
+extern "C" {
+#include "SDL_assert.h"
+#include "SDL_events.h"
+#include "SDL_hints.h"
+#include "SDL_log.h"
+#include "SDL_main.h"
+#include "SDL_stdinc.h"
+#include "SDL_render.h"
+#include "../../video/SDL_sysvideo.h"
+//#include "../../SDL_hints_c.h"
+#include "../../events/SDL_events_c.h"
+#include "../../events/SDL_keyboard_c.h"
+#include "../../events/SDL_mouse_c.h"
+#include "../../events/SDL_windowevents_c.h"
+#include "../../render/SDL_sysrender.h"
+#include "../windows/SDL_windows.h"
+}
+
+#include "../../video/winrt/SDL_winrtevents_c.h"
+#include "../../video/winrt/SDL_winrtvideo_cpp.h"
+#include "SDL_winrtapp_common.h"
+#include "SDL_winrtapp_direct3d.h"
+
+
+// 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: record a reference to the global, WinRT '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;
+}
+
+int SDL_WinRTInitNonXAMLApp(int (*mainFunction)(int, char **))
+{
+    WINRT_SDLAppEntryPoint = mainFunction;
+    auto direct3DApplicationSource = ref new SDLApplicationSource();
+    CoreApplication::Run(direct3DApplicationSource);
+    return 0;
+}
+
+static void WINRT_SetDisplayOrientationsPreference(void *userdata, 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;
+    if (newValue) {
+        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 WinRT [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;
+}
+
+static void
+WINRT_ProcessWindowSizeChange()
+{
+    // Make the new window size be the one true fullscreen mode.
+    // This change was initially 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.
+    SDL_DisplayMode newDisplayMode;
+    if (WINRT_CalcDisplayModeUsingNativeWindow(&newDisplayMode) != 0) {
+        return;
+    }
+
+    // Make note of the old display mode, and it's old driverdata.
+    SDL_DisplayMode oldDisplayMode;
+    SDL_zero(oldDisplayMode);
+    if (WINRT_GlobalSDLVideoDevice) {
+        oldDisplayMode = WINRT_GlobalSDLVideoDevice->displays[0].desktop_mode;
+    }
+
+    // Setup the new display mode in the appropriate spots.
+    if (WINRT_GlobalSDLVideoDevice) {
+        // Make a full copy of the display mode for display_modes[0],
+        // one with with a separately malloced 'driverdata' field.
+        // SDL_VideoQuit(), if called, will attempt to free the driverdata
+        // fields in 'desktop_mode' and each entry in the 'display_modes'
+        // array.
+        if (WINRT_GlobalSDLVideoDevice->displays[0].display_modes[0].driverdata) {
+            // Free the previous mode's memory
+            SDL_free(WINRT_GlobalSDLVideoDevice->displays[0].display_modes[0].driverdata);
+            WINRT_GlobalSDLVideoDevice->displays[0].display_modes[0].driverdata = NULL;
+        }
+        if (WINRT_DuplicateDisplayMode(&(WINRT_GlobalSDLVideoDevice->displays[0].display_modes[0]), &newDisplayMode) != 0) {
+            // Uh oh, something went wrong.  A malloc call probably failed.
+            SDL_free(newDisplayMode.driverdata);
+            return;
+        }
+
+        // Install 'newDisplayMode' into 'current_mode' and 'desktop_mode'.
+        WINRT_GlobalSDLVideoDevice->displays[0].current_mode = newDisplayMode;
+        WINRT_GlobalSDLVideoDevice->displays[0].desktop_mode = newDisplayMode;
+    }
+
+    if (WINRT_GlobalSDLWindow) {
+        // Send a window-resize event to the rest of SDL, and to apps:
+        SDL_SendWindowEvent(
+            WINRT_GlobalSDLWindow,
+            SDL_WINDOWEVENT_RESIZED,
+            newDisplayMode.w,
+            newDisplayMode.h);
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+        // HACK: On Windows Phone, make sure that orientation changes from
+        // Landscape to LandscapeFlipped, Portrait to PortraitFlipped,
+        // or vice-versa on either of those two, lead to the Direct3D renderer
+        // getting updated.
+        const DisplayOrientations oldOrientation = ((SDL_DisplayModeData *)oldDisplayMode.driverdata)->currentOrientation;
+        const DisplayOrientations newOrientation = ((SDL_DisplayModeData *)newDisplayMode.driverdata)->currentOrientation;
+
+        if ((oldOrientation == DisplayOrientations::Landscape && newOrientation == DisplayOrientations::LandscapeFlipped) ||
+            (oldOrientation == DisplayOrientations::LandscapeFlipped && newOrientation == DisplayOrientations::Landscape) ||
+            (oldOrientation == DisplayOrientations::Portrait && newOrientation == DisplayOrientations::PortraitFlipped) ||
+            (oldOrientation == DisplayOrientations::PortraitFlipped && newOrientation == DisplayOrientations::Portrait))
+        {
+            // One of the reasons this event is getting sent out is because SDL
+            // will ignore requests to send out SDL_WINDOWEVENT_RESIZED events
+            // if and when the event size doesn't change (and the Direct3D 11.1
+            // renderer doesn't get the memo).
+            //
+            // Make sure that the display/window size really didn't change.  If
+            // it did, then a SDL_WINDOWEVENT_SIZE_CHANGED event got sent, and
+            // the Direct3D 11.1 renderer picked it up, presumably.
+            if (oldDisplayMode.w == newDisplayMode.w &&
+                oldDisplayMode.h == newDisplayMode.h)
+            {
+                SDL_SendWindowEvent(
+                    WINRT_GlobalSDLWindow,
+                    SDL_WINDOWEVENT_SIZE_CHANGED,
+                    newDisplayMode.w,
+                    newDisplayMode.h);
+            }
+        }
+#endif
+    }
+    
+    // Finally, free the 'driverdata' field of the old 'desktop_mode'.
+    if (oldDisplayMode.driverdata) {
+        SDL_free(oldDisplayMode.driverdata);
+        oldDisplayMode.driverdata = NULL;
+    }
+}
+
+SDL_WinRTApp::SDL_WinRTApp() :
+    m_windowClosed(false),
+    m_windowVisible(true)
+{
+}
+
+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);
+
+    CoreApplication::Exiting +=
+        ref new EventHandler<Platform::Object^>(this, &SDL_WinRTApp::OnExiting);
+
+    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.
+    //
+    // TODO, WinRT: 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");   // DavidL: this is no longer needed (for SDL_AddHintCallback)
+    SDL_AddHintCallback(SDL_HINT_ORIENTATIONS, WINRT_SetDisplayOrientationsPreference, NULL);
+}
+
+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
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+    // On Windows Phone, treat an orientation change as a change in window size.
+    // The native window's size doesn't seem to change, however SDL will simulate
+    // a window size change.
+    WINRT_ProcessWindowSizeChange();
+#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->PointerMoved +=
+        ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &SDL_WinRTApp::OnPointerMoved);
+
+    window->PointerReleased +=
+        ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &SDL_WinRTApp::OnPointerReleased);
+
+    window->PointerWheelChanged +=
+        ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &SDL_WinRTApp::OnPointerWheelChanged);
+
+#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);
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+    HardwareButtons::BackPressed +=
+        ref new EventHandler<BackPressedEventArgs^>(this, &SDL_WinRTApp::OnBackButtonPressed);
+#endif
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP  // for Windows 8/8.1/RT apps... (and not Phone apps)
+    // Make sure we know when a user has opened the app's settings pane.
+    // This is needed in order to display a privacy policy, which needs
+    // to be done for network-enabled apps, as per Windows Store requirements.
+    using namespace Windows::UI::ApplicationSettings;
+    SettingsPane::GetForCurrentView()->CommandsRequested +=
+        ref new TypedEventHandler<SettingsPane^, SettingsPaneCommandsRequestedEventArgs^>
+            (this, &SDL_WinRTApp::OnSettingsPaneCommandsRequested);
+#endif
+}
+
+void SDL_WinRTApp::Load(Platform::String^ entryPoint)
+{
+}
+
+void SDL_WinRTApp::Run()
+{
+    SDL_SetMainReady();
+    if (WINRT_SDLAppEntryPoint)
+    {
+        // TODO, WinRT: pass the C-style main() a reasonably realistic
+        // representation of command line arguments.
+        int argc = 0;
+        char **argv = NULL;
+        WINRT_SDLAppEntryPoint(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()
+{
+}
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP
+void SDL_WinRTApp::OnSettingsPaneCommandsRequested(
+    Windows::UI::ApplicationSettings::SettingsPane ^p,
+    Windows::UI::ApplicationSettings::SettingsPaneCommandsRequestedEventArgs ^args)
+{
+    using namespace Platform;
+    using namespace Windows::UI::ApplicationSettings;
+    using namespace Windows::UI::Popups;
+
+    String ^privacyPolicyURL = nullptr;     // a URL to an app's Privacy Policy
+    String ^privacyPolicyLabel = nullptr;   // label/link text
+    const char *tmpHintValue = NULL;        // SDL_GetHint-retrieved value, used immediately
+    wchar_t *tmpStr = NULL;                 // used for UTF8 to UCS2 conversion
+
+    // Setup a 'Privacy Policy' link, if one is available (via SDL_GetHint):
+    tmpHintValue = SDL_GetHint(SDL_HINT_WINRT_PRIVACY_POLICY_URL);
+    if (tmpHintValue && tmpHintValue[0] != '\0') {
+        // Convert the privacy policy's URL to UCS2:
+        tmpStr = WIN_UTF8ToString(tmpHintValue);
+        privacyPolicyURL = ref new String(tmpStr);
+        SDL_free(tmpStr);
+
+        // Optionally retrieve custom label-text for the link.  If this isn't
+        // available, a default value will be used instead.
+        tmpHintValue = SDL_GetHint(SDL_HINT_WINRT_PRIVACY_POLICY_LABEL);
+        if (tmpHintValue && tmpHintValue[0] != '\0') {
+            tmpStr = WIN_UTF8ToString(tmpHintValue);
+            privacyPolicyLabel = ref new String(tmpStr);
+            SDL_free(tmpStr);
+        } else {
+            privacyPolicyLabel = ref new String(L"Privacy Policy");
+        }
+
+        // Register the link, along with a handler to be called if and when it is
+        // clicked:
+        auto cmd = ref new SettingsCommand(L"privacyPolicy", privacyPolicyLabel,
+            ref new UICommandInvokedHandler([=](IUICommand ^) {
+                Windows::System::Launcher::LaunchUriAsync(ref new Uri(privacyPolicyURL));
+        }));
+        args->Request->ApplicationCommands->Append(cmd);
+    }
+}
+#endif // if WINAPI_FAMILY == WINAPI_FAMILY_APP
+
+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, WINRT_GlobalSDLWindow?=%s\n",
+        __FUNCTION__,
+        args->Size.Width, args->Size.Height,
+        (int)DisplayProperties::CurrentOrientation,
+        (int)DisplayProperties::NativeOrientation,
+        (int)DisplayProperties::AutoRotationPreferences,
+        (WINRT_GlobalSDLWindow ? "yes" : "no"));
+#endif
+
+    WINRT_ProcessWindowSizeChange();
+}
+
+void SDL_WinRTApp::OnVisibilityChanged(CoreWindow^ sender, VisibilityChangedEventArgs^ args)
+{
+#if LOG_WINDOW_EVENTS==1
+    SDL_Log("%s, visible?=%s, WINRT_GlobalSDLWindow?=%s\n",
+        __FUNCTION__,
+        (args->Visible ? "yes" : "no"),
+        (WINRT_GlobalSDLWindow ? "yes" : "no"));
+#endif
+
+    m_windowVisible = args->Visible;
+    if (WINRT_GlobalSDLWindow) {
+        SDL_bool wasSDLWindowSurfaceValid = WINRT_GlobalSDLWindow->surface_valid;
+
+        if (args->Visible) {
+            SDL_SendWindowEvent(WINRT_GlobalSDLWindow, SDL_WINDOWEVENT_SHOWN, 0, 0);
+        } else {
+            SDL_SendWindowEvent(WINRT_GlobalSDLWindow, 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.
+        WINRT_GlobalSDLWindow->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;
+}
+
+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 (WINRT_GlobalSDLWindow)
+        {
+            SDL_SendWindowEvent(WINRT_GlobalSDLWindow, SDL_WINDOWEVENT_MINIMIZED, 0, 0);   // TODO: see if SDL_WINDOWEVENT_SIZE_CHANGED should be getting triggered here (it is, currently)
+            SDL_FilterEvents(RemoveAppSuspendAndResumeEvents, 0);
+        }
+
+        SDL_SendAppEvent(SDL_APP_WILLENTERBACKGROUND);
+        SDL_SendAppEvent(SDL_APP_DIDENTERBACKGROUND);
+
+        deferral->Complete();
+    });
+}
+
+void SDL_WinRTApp::OnResuming(Platform::Object^ sender, Platform::Object^ args)
+{
+    SDL_SendAppEvent(SDL_APP_WILLENTERFOREGROUND);
+    SDL_SendAppEvent(SDL_APP_DIDENTERFOREGROUND);
+
+    // 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 (WINRT_GlobalSDLWindow)
+    {
+        SDL_SendWindowEvent(WINRT_GlobalSDLWindow, 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);
+    }
+}
+
+void SDL_WinRTApp::OnExiting(Platform::Object^ sender, Platform::Object^ args)
+{
+    SDL_SendAppEvent(SDL_APP_TERMINATING);
+}
+
+static void
+WINRT_LogPointerEvent(const char * header, Windows::UI::Core::PointerEventArgs ^ args, Windows::Foundation::Point transformedPoint)
+{
+    Windows::UI::Input::PointerPoint ^ pt = args->CurrentPoint;
+    SDL_Log("%s: Position={%f,%f}, Transformed Pos={%f, %f}, MouseWheelDelta=%d, FrameId=%d, PointerId=%d, SDL button=%d\n",
+        header,
+        pt->Position.X, pt->Position.Y,
+        transformedPoint.X, transformedPoint.Y,
+        pt->Properties->MouseWheelDelta,
+        pt->FrameId,
+        pt->PointerId,
+        WINRT_GetSDLButtonForPointerPoint(pt));
+}
+
+void SDL_WinRTApp::OnPointerPressed(CoreWindow^ sender, PointerEventArgs^ args)
+{
+#if LOG_POINTER_EVENTS
+    WINRT_LogPointerEvent("pointer pressed", args, WINRT_TransformCursorPosition(WINRT_GlobalSDLWindow, args->CurrentPoint->Position, TransformToSDLWindowSize));
+#endif
+
+    WINRT_ProcessPointerPressedEvent(WINRT_GlobalSDLWindow, args->CurrentPoint);
+}
+
+void SDL_WinRTApp::OnPointerMoved(CoreWindow^ sender, PointerEventArgs^ args)
+{
+#if LOG_POINTER_EVENTS
+    WINRT_LogPointerEvent("pointer moved", args, WINRT_TransformCursorPosition(WINRT_GlobalSDLWindow, args->CurrentPoint->Position, TransformToSDLWindowSize));
+#endif
+
+    WINRT_ProcessPointerMovedEvent(WINRT_GlobalSDLWindow, args->CurrentPoint);
+}
+
+void SDL_WinRTApp::OnPointerReleased(CoreWindow^ sender, PointerEventArgs^ args)
+{
+#if LOG_POINTER_EVENTS
+    WINRT_LogPointerEvent("pointer released", args, WINRT_TransformCursorPosition(WINRT_GlobalSDLWindow, args->CurrentPoint->Position, TransformToSDLWindowSize));
+#endif
+
+    WINRT_ProcessPointerReleasedEvent(WINRT_GlobalSDLWindow, args->CurrentPoint);
+}
+
+void SDL_WinRTApp::OnPointerWheelChanged(CoreWindow^ sender, PointerEventArgs^ args)
+{
+#if LOG_POINTER_EVENTS
+    WINRT_LogPointerEvent("pointer wheel changed", args, WINRT_TransformCursorPosition(WINRT_GlobalSDLWindow, args->CurrentPoint->Position, TransformToSDLWindowSize));
+#endif
+
+    WINRT_ProcessPointerWheelChangedEvent(WINRT_GlobalSDLWindow, args->CurrentPoint);
+}
+
+void SDL_WinRTApp::OnMouseMoved(MouseDevice^ mouseDevice, MouseEventArgs^ args)
+{
+    WINRT_ProcessMouseMovedEvent(WINRT_GlobalSDLWindow, args);
+}
+
+void SDL_WinRTApp::OnKeyDown(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::KeyEventArgs^ args)
+{
+    WINRT_ProcessKeyDownEvent(args);
+}
+
+void SDL_WinRTApp::OnKeyUp(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::KeyEventArgs^ args)
+{
+    WINRT_ProcessKeyUpEvent(args);
+}
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+void SDL_WinRTApp::OnBackButtonPressed(Platform::Object^ sender, Windows::Phone::UI::Input::BackPressedEventArgs^ args)
+{
+    SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_AC_BACK);
+    SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_AC_BACK);
+
+    const char *hint = SDL_GetHint(SDL_HINT_WINRT_HANDLE_BACK_BUTTON);
+    if (hint) {
+        if (*hint == '1') {
+            args->Handled = true;
+        }
+    }
+}
+#endif
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/core/winrt/SDL_winrtapp_direct3d.h	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,58 @@
+#pragma once
+
+#include <Windows.h>
+
+extern int SDL_WinRTInitNonXAMLApp(int (*mainFunction)(int, char **));
+
+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
+    void PumpEvents();
+
+protected:
+    // Event Handlers.
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP  // for Windows 8/8.1/RT apps... (and not Phone apps)
+    void OnSettingsPaneCommandsRequested(
+        Windows::UI::ApplicationSettings::SettingsPane ^p,
+        Windows::UI::ApplicationSettings::SettingsPaneCommandsRequestedEventArgs ^args);
+#endif // if WINAPI_FAMILY == WINAPI_FAMILY_APP
+
+    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 OnExiting(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);
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+    void OnBackButtonPressed(Platform::Object^ sender, Windows::Phone::UI::Input::BackPressedEventArgs^ args);
+#endif
+
+private:
+    bool m_windowClosed;
+    bool m_windowVisible;
+};
+
+extern SDL_WinRTApp ^ SDL_WinRTGlobalApp;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/core/winrt/SDL_winrtapp_xaml.cpp	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,158 @@
+/*
+  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.
+*/
+
+/* Windows includes */
+#include <agile.h>
+#include <Windows.h>
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP
+#include <windows.ui.xaml.media.dxinterop.h>
+#endif
+
+
+/* SDL includes */
+#include "SDL.h"
+#include "../../video/winrt/SDL_winrtevents_c.h"
+#include "../../video/winrt/SDL_winrtvideo_cpp.h"
+#include "SDL_winrtapp_common.h"
+#include "SDL_winrtapp_xaml.h"
+
+
+
+/* SDL-internal globals: */
+SDL_bool WINRT_XAMLWasEnabled = SDL_FALSE;
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP
+ISwapChainBackgroundPanelNative * WINRT_GlobalSwapChainBackgroundPanelNative = NULL;
+static Windows::Foundation::EventRegistrationToken	WINRT_XAMLAppEventToken;
+#endif
+
+
+/*
+ * Input event handlers (XAML)
+ */
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP
+
+static void
+WINRT_OnPointerPressedViaXAML(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ args)
+{
+    WINRT_ProcessPointerPressedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
+}
+
+static void
+WINRT_OnPointerMovedViaXAML(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ args)
+{
+    WINRT_ProcessPointerMovedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
+}
+
+static void
+WINRT_OnPointerReleasedViaXAML(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ args)
+{
+    WINRT_ProcessPointerReleasedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
+}
+
+static void
+WINRT_OnPointerWheelChangedViaXAML(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ args)
+{
+    WINRT_ProcessPointerWheelChangedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
+}
+
+#endif // WINAPI_FAMILY == WINAPI_FAMILY_APP
+
+
+/*
+ * XAML-to-SDL Rendering Callback
+ */
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP
+
+static void
+WINRT_OnRenderViaXAML(_In_ Platform::Object^ sender, _In_ Platform::Object^ args)
+{
+    WINRT_CycleXAMLThread();
+}
+
+#endif // WINAPI_FAMILY == WINAPI_FAMILY_APP
+
+
+/*
+ * SDL + XAML Initialization
+ */
+
+int
+SDL_WinRTInitXAMLApp(int (*mainFunction)(int, char **), void * backgroundPanelAsIInspectable)
+{
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+    return SDL_SetError("XAML support is not yet available in Windows Phone.");
+#else
+    // Declare C++/CX namespaces:
+    using namespace Platform;
+    using namespace Windows::Foundation;
+    using namespace Windows::UI::Core;
+    using namespace Windows::UI::Xaml;
+    using namespace Windows::UI::Xaml::Controls;
+    using namespace Windows::UI::Xaml::Input;
+    using namespace Windows::UI::Xaml::Media;
+
+    // Make sure we have a valid XAML element (to draw onto):
+    if ( ! backgroundPanelAsIInspectable) {
+        return SDL_SetError("'backgroundPanelAsIInspectable' can't be NULL");
+    }
+
+    Platform::Object ^ backgroundPanel = reinterpret_cast<Object ^>((IInspectable *) backgroundPanelAsIInspectable);
+    SwapChainBackgroundPanel ^swapChainBackgroundPanel = dynamic_cast<SwapChainBackgroundPanel ^>(backgroundPanel);
+    if ( ! swapChainBackgroundPanel) {
+        return SDL_SetError("An unknown or unsupported type of XAML control was specified.");
+    }
+
+    // Setup event handlers:
+    swapChainBackgroundPanel->PointerPressed += ref new PointerEventHandler(WINRT_OnPointerPressedViaXAML);
+    swapChainBackgroundPanel->PointerReleased += ref new PointerEventHandler(WINRT_OnPointerReleasedViaXAML);
+    swapChainBackgroundPanel->PointerWheelChanged += ref new PointerEventHandler(WINRT_OnPointerWheelChangedViaXAML);
+    swapChainBackgroundPanel->PointerMoved += ref new PointerEventHandler(WINRT_OnPointerMovedViaXAML);
+
+    // Setup for rendering:
+    IInspectable *panelInspectable = (IInspectable*) reinterpret_cast<IInspectable*>(swapChainBackgroundPanel);
+    panelInspectable->QueryInterface(__uuidof(ISwapChainBackgroundPanelNative), (void **)&WINRT_GlobalSwapChainBackgroundPanelNative);
+
+    WINRT_XAMLAppEventToken = CompositionTarget::Rendering::add(ref new EventHandler<Object^>(WINRT_OnRenderViaXAML));
+
+    // Make sure the app is ready to call the SDL-centric main() function:
+    WINRT_SDLAppEntryPoint = mainFunction;
+    SDL_SetMainReady();
+
+    // Make sure video-init knows that we're initializing XAML:
+    SDL_bool oldXAMLWasEnabledValue = WINRT_XAMLWasEnabled;
+    WINRT_XAMLWasEnabled = SDL_TRUE;
+
+    // Make sure video modes are detected now, while we still have access to the WinRT
+    // CoreWindow.  WinRT will not allow the app's CoreWindow to be accessed via the
+    // SDL/WinRT thread.
+    if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0) {
+        // SDL_InitSubSystem will, on error, set the SDL error.  Let that propogate to
+        // the caller to here:
+        WINRT_XAMLWasEnabled = oldXAMLWasEnabledValue;
+        return -1;
+    }
+
+    // All done, for now.
+    return 0;
+#endif // WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP  /  else
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/core/winrt/SDL_winrtapp_xaml.h	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,33 @@
+/*
+  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_winrtapp_xaml_h
+#define _SDL_winrtapp_xaml_h
+
+#include "SDL_types.h"
+
+#ifdef __cplusplus
+extern SDL_bool WINRT_XAMLWasEnabled;
+extern int SDL_WinRTInitXAMLApp(int (*mainFunction)(int, char **), void * backgroundPanelAsIInspectable);
+#endif // ifdef __cplusplus
+
+#endif // ifndef _SDL_winrtapp_xaml_h
--- a/src/file/SDL_rwops.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/file/SDL_rwops.c	Sun Mar 09 11:36:47 2014 -0700
@@ -316,6 +316,10 @@
     if (fseeko(context->hidden.stdio.fp, (off_t)offset, whence) == 0) {
         return ftello(context->hidden.stdio.fp);
     }
+#elif defined(HAVE__FSEEKI64)
+    if (_fseeki64(context->hidden.stdio.fp, offset, whence) == 0) {
+        return _ftelli64(context->hidden.stdio.fp);
+    }
 #else
     if (fseek(context->hidden.stdio.fp, offset, whence) == 0) {
         return ftell(context->hidden.stdio.fp);
@@ -522,6 +526,9 @@
     {
         #ifdef __APPLE__
         FILE *fp = SDL_OpenFPFromBundleOrFallback(file, mode);
+        #elif __WINRT__
+        FILE *fp = NULL;
+        fopen_s(&fp, file, mode);
         #else
         FILE *fp = fopen(file, mode);
         #endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/filesystem/winrt/SDL_sysfilesystem.cpp	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,154 @@
+/* TODO, WinRT: include copyright info in SDL_winrtpaths.cpp
+   TODO, WinRT: remove the need to compile this with C++/CX (/ZW) extensions, and if possible, without C++ at all
+*/
+
+#include "SDL_config.h"
+
+#ifdef __WINRT__
+
+extern "C" {
+#include "SDL_filesystem.h"
+#include "SDL_error.h"
+#include "SDL_stdinc.h"
+#include "SDL_system.h"
+#include "../../core/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();
+}
+
+extern "C" char *
+SDL_GetBasePath(void)
+{
+    const char * srcPath = SDL_WinRTGetFSPathUTF8(SDL_WINRT_PATH_INSTALLED_LOCATION);
+    size_t destPathLen;
+    char * destPath = NULL;
+
+    if (!srcPath) {
+        SDL_SetError("Couldn't locate our basepath: %s", SDL_GetError());
+        return NULL;
+    }
+
+    destPathLen = SDL_strlen(srcPath) + 2;
+    destPath = (char *) SDL_malloc(destPathLen);
+    if (!destPath) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    SDL_snprintf(destPath, destPathLen, "%s\\", srcPath);
+    return destPath;
+}
+
+extern "C" char *
+SDL_GetPrefPath(const char *org, const char *app)
+{
+    /* WinRT note: The 'SHGetFolderPath' API that is used in Windows 7 and
+     * earlier is not available on WinRT or Windows Phone.  WinRT provides
+     * a similar API, but SHGetFolderPath can't be called, at least not
+     * without violating Microsoft's app-store requirements.
+     */
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+    /* A 'Roaming' folder is not available in Windows Phone 8, however a 'Local' folder is. */
+    const char * srcPath = SDL_WinRTGetFSPathUTF8(SDL_WINRT_PATH_LOCAL_FOLDER);
+#else
+    /* A 'Roaming' folder is available on Windows 8 and 8.1.  Use that. */
+    const char * srcPath = SDL_WinRTGetFSPathUTF8(SDL_WINRT_PATH_ROAMING_FOLDER);
+#endif
+
+    size_t destPathLen;
+    char * destPath = NULL;
+
+    if (!srcPath) {
+        SDL_SetError("Couldn't locate our basepath: %s", SDL_GetError());
+        return NULL;
+    }
+
+    destPathLen = SDL_strlen(srcPath) + SDL_strlen(org) + SDL_strlen(app) + 4;
+    destPath = (char *) SDL_malloc(destPathLen);
+    if (!destPath) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    SDL_snprintf(destPath, destPathLen, "%s\\%s\\%s\\", srcPath, org, app);
+    return destPath;
+}
+
+#endif /* __WINRT__ */
--- a/src/joystick/SDL_gamecontroller.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/joystick/SDL_gamecontroller.c	Sun Mar 09 11:36:47 2014 -0700
@@ -88,7 +88,7 @@
 } ControllerMapping_t;
 
 static ControllerMapping_t *s_pSupportedControllers = NULL;
-#ifdef SDL_JOYSTICK_DINPUT
+#if defined(SDL_JOYSTICK_DINPUT) || defined(SDL_JOYSTICK_XINPUT)
 static ControllerMapping_t *s_pXInputMapping = NULL;
 #endif
 
@@ -279,7 +279,7 @@
  */
 ControllerMapping_t *SDL_PrivateGetControllerMapping(int device_index)
 {
-#ifdef SDL_JOYSTICK_DINPUT
+#if defined(SDL_JOYSTICK_DINPUT) || defined(SDL_JOYSTICK_XINPUT)
     if ( SDL_SYS_IsXInputDeviceIndex(device_index) && s_pXInputMapping )
     {
         return s_pXInputMapping;
@@ -737,7 +737,7 @@
     char *pchMapping;
     SDL_JoystickGUID jGUID;
     ControllerMapping_t *pControllerMapping;
-#ifdef SDL_JOYSTICK_DINPUT
+#if defined(SDL_JOYSTICK_DINPUT) || defined(SDL_JOYSTICK_XINPUT)
     SDL_bool is_xinput_mapping = SDL_FALSE;
 #endif
 
@@ -745,7 +745,7 @@
     if (!pchGUID) {
         return SDL_SetError("Couldn't parse GUID from %s", mappingString);
     }
-#ifdef SDL_JOYSTICK_DINPUT
+#if defined(SDL_JOYSTICK_DINPUT) || defined(SDL_JOYSTICK_XINPUT)
     if ( !SDL_strcasecmp( pchGUID, "xinput" ) ) {
         is_xinput_mapping = SDL_TRUE;
     }
@@ -782,7 +782,7 @@
             SDL_free( pchMapping );
             return SDL_OutOfMemory();
         }
-#ifdef SDL_JOYSTICK_DINPUT
+#if defined(SDL_JOYSTICK_DINPUT) || defined(SDL_JOYSTICK_XINPUT)
         if ( is_xinput_mapping )
         {
             s_pXInputMapping = pControllerMapping;
--- a/src/joystick/SDL_gamecontrollerdb.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/joystick/SDL_gamecontrollerdb.h	Sun Mar 09 11:36:47 2014 -0700
@@ -42,6 +42,8 @@
     "25090500000000000000504944564944,PS3 DualShock,a:b2,b:b1,back:b9,dpdown:h0.8,dpleft:h0.4,dpright:h0.2,dpup:h0.1,guide:,leftshoulder:b6,leftstick:b10,lefttrigger:b4,leftx:a0,lefty:a1,rightshoulder:b7,rightstick:b11,righttrigger:b5,rightx:a2,righty:a3,start:b8,x:b0,y:b3,",
     "4c05c405000000000000504944564944,PS4 Controller,a:a3,a:b1,b:b2,back:b8,dpdown:h0.0,dpdown:h0.4,dpleft:h0.8,dpright:h0.0,dpright:h0.2,dpup:h0.0,dpup:h0.1,guide:b12,leftshoulder:b4,leftshoulder:h0.0,leftstick:b10,leftstick:b7,lefttrigger:a3,leftx:a0,lefty:a1,rightshoulder:b5,rightshoulder:b6,rightstick:b11,righttrigger:a4,rightx:a2,righty:a5,start:b9,x:a4,x:b0,y:b3,",
     "xinput,X360 Controller,a:b10,b:b11,back:b5,dpdown:b1,dpleft:b2,dpright:b3,dpup:b0,guide:b14,leftshoulder:b8,leftstick:b6,lefttrigger:a4,leftx:a0,lefty:a1,rightshoulder:b9,rightstick:b7,righttrigger:a5,rightx:a2,righty:a3,start:b4,x:b12,y:b13,",
+#elif defined(SDL_JOYSTICK_XINPUT)
+    "xinput,X360 Controller,a:b10,b:b11,back:b5,dpdown:b1,dpleft:b2,dpright:b3,dpup:b0,guide:b14,leftshoulder:b8,leftstick:b6,lefttrigger:a4,leftx:a0,lefty:a1,rightshoulder:b9,rightstick:b7,righttrigger:a5,rightx:a2,righty:a3,start:b4,x:b12,y:b13,",
 #elif defined(__MACOSX__)
     "0500000047532047616d657061640000,GameStop Gamepad,a:b0,b:b1,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b2,y:b3,",
     "6d0400000000000016c2000000000000,Logitech F310 Gamepad (DInput),a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,", /* Guide button doesn't seem to be sent in DInput mode. */
--- a/src/joystick/SDL_sysjoystick.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/joystick/SDL_sysjoystick.h	Sun Mar 09 11:36:47 2014 -0700
@@ -108,7 +108,7 @@
 /* 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 );
 extern SDL_bool SDL_SYS_IsXInputJoystick(SDL_Joystick * joystick);
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/joystick/winrt/SDL_xinputjoystick.c	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,537 @@
+/*
+  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 "SDL_timer.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 detection-polling, or during backend-initialization)?
+    SDL_bool isDeviceConnectionEventPending;    // was a device added, and is the associated add-event pending?
+    SDL_bool isDeviceRemovalEventPending;   // was the device removed, and is the associated remove-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];
+
+/* Device detection can be extremely costly performance-wise, in some cases.
+   In particular, if no devices are connected, calls to detect a single device,
+   via either XInputGetState() or XInputGetCapabilities(), can take upwards of
+   20 ms on a 1st generation Surface RT, more if devices are detected across
+   all of of XInput's four device slots.  WinRT and XInput do not appear to
+   have callback-based APIs to notify an app when a device is connected, at
+   least as of Windows 8.1.  The synchronous XInput calls must be used.
+
+   Once a device is connected, calling XInputGetState() is a much less costly
+   operation, with individual calls costing well under 1 ms, and often under
+   0.1 ms [on a 1st gen Surface RT].
+
+   With XInput's performance limitations in mind, a separate device-detection
+   thread will be utilized (by SDL) to try to move costly XInput calls off the
+   main thread.  Polling of active devices still, however, occurs on the main
+   thread.
+ */
+static SDL_Thread * g_DeviceDetectionThread = NULL;
+static SDL_mutex * g_DeviceInfoLock = NULL;
+static SDL_bool g_DeviceDetectionQuit = SDL_FALSE;
+
+/* Main function for the device-detection thread.
+ */
+static int
+DeviceDetectionThreadMain(void * _data)
+{
+    DWORD result;
+    XINPUT_CAPABILITIES tempXInputCaps;
+    int i;
+
+    while (1) {
+        /* See if the device-detection thread is being asked to shutdown.
+         */
+        SDL_LockMutex(g_DeviceInfoLock);
+        if (g_DeviceDetectionQuit) {
+            SDL_UnlockMutex(g_DeviceInfoLock);
+            break;
+        }
+        SDL_UnlockMutex(g_DeviceInfoLock);
+
+        /* Add a short delay to prevent the device-detection thread from eating
+           up too much CPU time:
+         */
+        SDL_Delay(300);
+
+        /* TODO, WinRT: try making the device-detection thread wakeup sooner from its CPU-preserving SDL_Delay, if the thread was asked to quit.
+         */
+
+        /* See if any new devices are connected. */
+        SDL_LockMutex(g_DeviceInfoLock);
+        for (i = 0; i < XUSER_MAX_COUNT; ++i) {
+            if (!g_XInputData[i].isDeviceConnected &&
+                !g_XInputData[i].isDeviceConnectionEventPending &&
+                !g_XInputData[i].isDeviceRemovalEventPending)
+            {
+                SDL_UnlockMutex(g_DeviceInfoLock);
+                result = XInputGetCapabilities(i, 0, &tempXInputCaps);
+                SDL_LockMutex(g_DeviceInfoLock);
+                if (result == ERROR_SUCCESS) {
+                    /* Yes, a device is connected.  Mark it as such.
+                       Others will be told about this (via an
+                       SDL_JOYDEVICEADDED event) in the next call to
+                       SDL_SYS_JoystickDetect.
+                     */
+                    g_XInputData[i].isDeviceConnected = SDL_TRUE;
+                    g_XInputData[i].isDeviceConnectionEventPending = SDL_TRUE;
+                }
+            }
+        }
+        SDL_UnlockMutex(g_DeviceInfoLock);
+    }
+
+    return 0;
+}
+
+/* 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;
+        }
+    }
+
+    /* Start up the device-detection thread.
+     */
+    g_DeviceDetectionQuit = SDL_FALSE;
+    g_DeviceInfoLock = SDL_CreateMutex();
+    g_DeviceDetectionThread = SDL_CreateThread(DeviceDetectionThreadMain, "SDL_joystick", NULL);
+
+    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).
+     */
+    SDL_LockMutex(g_DeviceInfoLock);
+    for (i = 0; i < XUSER_MAX_COUNT; ++i) {
+        if (g_XInputData[i].isDeviceConnected) {
+            ++joystickCount;
+        }
+    }
+    SDL_UnlockMutex(g_DeviceInfoLock);
+
+    return joystickCount;
+}
+
+void SDL_SYS_JoystickDetect()
+{
+    DWORD i;
+    SDL_Event event;
+
+    /* Iterate through each possible XInput device, seeing if any devices
+       have been connected, or if they were removed.
+     */
+    SDL_LockMutex(g_DeviceInfoLock);
+    for (i = 0; i < XUSER_MAX_COUNT; ++i) {
+        /* See if any new devices are connected. */
+        if (g_XInputData[i].isDeviceConnectionEventPending) {
+#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
+            g_XInputData[i].isDeviceConnectionEventPending = SDL_FALSE;
+        } 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_UnlockMutex(g_DeviceInfoLock);
+}
+
+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)
+{
+    SDL_bool isDeviceConnected;
+    SDL_LockMutex(g_DeviceInfoLock);
+    isDeviceConnected = joystick->hwdata->isDeviceConnected;
+    SDL_UnlockMutex(g_DeviceInfoLock);
+    return 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;
+    XINPUT_STATE prevXInputState;
+
+    SDL_LockMutex(g_DeviceInfoLock);
+
+    /* Before polling for new data, make note of the old data */
+    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 */
+        }
+        SDL_UnlockMutex(g_DeviceInfoLock);
+        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
+    }
+
+    SDL_UnlockMutex(g_DeviceInfoLock);
+}
+
+/* Function to close a joystick after use */
+void
+SDL_SYS_JoystickClose(SDL_Joystick * joystick)
+{
+    /* Clear cached button data on the joystick */
+    SDL_LockMutex(g_DeviceInfoLock);
+    SDL_zero(joystick->hwdata->XInputState);
+    SDL_UnlockMutex(g_DeviceInfoLock);
+
+    /* 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)
+{
+    /* Tell the joystick detection thread to stop, then wait for it to finish */
+    SDL_LockMutex(g_DeviceInfoLock);
+    g_DeviceDetectionQuit = SDL_TRUE;
+    SDL_UnlockMutex(g_DeviceInfoLock);
+    SDL_WaitThread(g_DeviceDetectionThread, NULL);
+
+    /* Clean up device-detection stuff */
+    SDL_DestroyMutex(g_DeviceInfoLock);
+    g_DeviceInfoLock = NULL;
+    g_DeviceDetectionThread = NULL;
+    g_DeviceDetectionQuit = SDL_FALSE;
+
+    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: */
--- a/src/loadso/windows/SDL_sysloadso.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/loadso/windows/SDL_sysloadso.c	Sun Mar 09 11:36:47 2014 -0700
@@ -33,7 +33,15 @@
 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 */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/winrt/SDL_winrt_main_NonXAML.cpp	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,56 @@
+
+#include <SDL_main.h>
+#include <wrl.h>
+
+/* At least one file in any SDL/WinRT app appears to require compilation
+   with C++/CX, otherwise a Windows Metadata file won't get created, and
+   an APPX0702 build error can appear shortly after linking.
+
+   The following set of preprocessor code forces this file to be compiled
+   as C++/CX, which appears to cause Visual C++ 2012's build tools to
+   create this .winmd file, and will help allow builds of SDL/WinRT apps
+   to proceed without error.
+
+   If other files in an app's project enable C++/CX compilation, then it might
+   be possible for SDL_winrt_main_NonXAML.cpp to be compiled without /ZW,
+   for Visual C++'s build tools to create a winmd file, and for the app to
+   build without APPX0702 errors.  In this case, if
+   SDL_WINRT_METADATA_FILE_AVAILABLE is defined as a C/C++ macro, then
+   the #error (to force C++/CX compilation) will be disabled.
+
+   Please note that /ZW can be specified on a file-by-file basis.  To do this,
+   right click on the file in Visual C++, click Properties, then change the
+   setting through the dialog that comes up.
+*/
+#ifndef SDL_WINRT_METADATA_FILE_AVAILABLE
+#ifndef __cplusplus_winrt
+#error SDL_winrt_main_NonXAML.cpp must be compiled with /ZW, otherwise build errors due to missing .winmd files can occur.
+#endif
+#endif
+
+/* Prevent MSVC++ from warning about threading models when defining our
+   custom WinMain.  The threading model will instead be set via a direct
+   call to Windows::Foundation::Initialize (rather than via an attributed
+   function).
+
+   To note, this warning (C4447) does not seem to come up unless this file
+   is compiled with C++/CX enabled (via the /ZW compiler flag).
+*/
+#ifdef _MSC_VER
+#pragma warning(disable:4447)
+#endif
+
+/* Make sure the function to initialize the Windows Runtime gets linked in. */
+#ifdef _MSC_VER
+#pragma comment(lib, "runtimeobject.lib")
+#endif
+
+int CALLBACK WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
+{
+    if (FAILED(Windows::Foundation::Initialize(RO_INIT_MULTITHREADED))) {
+        return 1;
+    }
+
+    SDL_WinRTRunApp(SDL_main, NULL);
+    return 0;
+}
--- a/src/render/SDL_render.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/render/SDL_render.c	Sun Mar 09 11:36:47 2014 -0700
@@ -50,6 +50,9 @@
 #if SDL_VIDEO_RENDER_D3D
     &D3D_RenderDriver,
 #endif
+#if SDL_VIDEO_RENDER_D3D11
+    &D3D11_RenderDriver,
+#endif
 #if SDL_VIDEO_RENDER_OGL
     &GL_RenderDriver,
 #endif
--- a/src/render/SDL_sysrender.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/render/SDL_sysrender.h	Sun Mar 09 11:36:47 2014 -0700
@@ -171,6 +171,9 @@
 #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
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/render/direct3d11/SDL_render_d3d11.cpp	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,2386 @@
+/*
+  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_RENDER_D3D11 && !SDL_RENDER_DISABLED
+
+#ifdef __WINRT__
+#include <windows.ui.core.h>
+#include <windows.foundation.h>
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP
+#include <windows.ui.xaml.media.dxinterop.h>
+#endif
+
+#endif
+
+extern "C" {
+#include "../../core/windows/SDL_windows.h"
+#include "SDL_hints.h"
+#include "SDL_system.h"
+#include "SDL_syswm.h"
+#include "../SDL_sysrender.h"
+#include "../../video/SDL_sysvideo.h"
+}
+
+#include <string>
+#include <vector>
+
+#include <D3D11_1.h>
+#include <DirectXMath.h>
+#include <wrl/client.h>
+
+
+using namespace DirectX;
+using namespace Microsoft::WRL;
+using namespace std;
+
+#ifdef __WINRT__
+using namespace Windows::Graphics::Display;
+using namespace Windows::UI::Core;
+#endif
+
+/* Texture sampling types */
+static const D3D11_FILTER SDL_D3D11_NEAREST_PIXEL_FILTER = D3D11_FILTER_MIN_MAG_MIP_POINT;
+static const D3D11_FILTER SDL_D3D11_LINEAR_FILTER = D3D11_FILTER_MIN_MAG_MIP_LINEAR;
+
+/* Vertex shader, common values */
+struct VertexShaderConstants
+{
+    DirectX::XMFLOAT4X4 model;
+    DirectX::XMFLOAT4X4 projectionAndView;
+};
+
+/* Per-vertex data */
+struct VertexPositionColor
+{
+    DirectX::XMFLOAT3 pos;
+    DirectX::XMFLOAT2 tex;
+    DirectX::XMFLOAT4 color;
+};
+
+/* Per-texture data */
+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_FILTER scaleMode;
+} D3D11_TextureData;
+
+/* Private renderer data */
+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> nearestPixelSampler;
+    Microsoft::WRL::ComPtr<ID3D11SamplerState> linearSampler;
+    D3D_FEATURE_LEVEL featureLevel;
+
+    // Rasterizers:
+    // If this list starts to get unwieldy, then consider using a map<> of them.
+    Microsoft::WRL::ComPtr<ID3D11RasterizerState> mainRasterizer;
+    Microsoft::WRL::ComPtr<ID3D11RasterizerState> clippedRasterizer;
+
+    // Vertex buffer constants:
+    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;
+
+
+/* Direct3D 11.x shaders
+
+   SDL's shaders are compiled into SDL itself, to simplify distribution.
+
+   All Direct3D 11.x shaders were compiled with the following:
+
+   fxc /E"main" /T "<TYPE>" /Fo"<OUTPUT FILE>" "<INPUT FILE>"
+
+     Variables:
+     - <TYPE>: the type of shader.  A table of utilized shader types is
+       listed below.
+     - <OUTPUT FILE>: where to store compiled output
+     - <INPUT FILE>: where to read shader source code from
+
+     Shader types:
+     - ps_4_0_level_9_1: Pixel shader for Windows 8+, including Windows RT
+     - vs_4_0_level_9_1: Vertex shader for Windows 8+, including Windows RT
+     - ps_4_0_level_9_3: Pixel shader for Windows Phone 8
+     - vs_4_0_level_9_3: Vertex shader for Windows Phone 8
+   
+
+   Shader object code was converted to a list of DWORDs via the following
+   *nix style command (available separately from Windows + MSVC):
+
+     hexdump -v -e '6/4 "0x%08.8x, " "\n"' <FILE>
+  */
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+#define D3D11_USE_SHADER_MODEL_4_0_level_9_3
+#else
+#define D3D11_USE_SHADER_MODEL_4_0_level_9_1
+#endif
+
+/* The texture-rendering pixel shader:
+
+    --- D3D11_PixelShader_Textures.hlsl ---
+    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;
+    }
+*/
+#if defined(D3D11_USE_SHADER_MODEL_4_0_level_9_1)
+static const DWORD D3D11_PixelShader_Textures[] = {
+    0x43425844, 0x6299b59f, 0x155258f2, 0x873ab86a, 0xfcbb6dcd, 0x00000001,
+    0x00000330, 0x00000006, 0x00000038, 0x000000c0, 0x0000015c, 0x000001d8,
+    0x00000288, 0x000002fc, 0x396e6f41, 0x00000080, 0x00000080, 0xffff0200,
+    0x00000058, 0x00000028, 0x00280000, 0x00280000, 0x00280000, 0x00240001,
+    0x00280000, 0x00000000, 0xffff0200, 0x0200001f, 0x80000000, 0xb0030000,
+    0x0200001f, 0x80000000, 0xb00f0001, 0x0200001f, 0x90000000, 0xa00f0800,
+    0x03000042, 0x800f0000, 0xb0e40000, 0xa0e40800, 0x03000005, 0x800f0000,
+    0x80e40000, 0xb0e40001, 0x02000001, 0x800f0800, 0x80e40000, 0x0000ffff,
+    0x52444853, 0x00000094, 0x00000040, 0x00000025, 0x0300005a, 0x00106000,
+    0x00000000, 0x04001858, 0x00107000, 0x00000000, 0x00005555, 0x03001062,
+    0x00101032, 0x00000001, 0x03001062, 0x001010f2, 0x00000002, 0x03000065,
+    0x001020f2, 0x00000000, 0x02000068, 0x00000001, 0x09000045, 0x001000f2,
+    0x00000000, 0x00101046, 0x00000001, 0x00107e46, 0x00000000, 0x00106000,
+    0x00000000, 0x07000038, 0x001020f2, 0x00000000, 0x00100e46, 0x00000000,
+    0x00101e46, 0x00000002, 0x0100003e, 0x54415453, 0x00000074, 0x00000003,
+    0x00000001, 0x00000000, 0x00000003, 0x00000001, 0x00000000, 0x00000000,
+    0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x46454452, 0x000000a8,
+    0x00000000, 0x00000000, 0x00000002, 0x0000001c, 0xffff0400, 0x00000100,
+    0x00000072, 0x0000005c, 0x00000003, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000001, 0x00000001, 0x00000067, 0x00000002, 0x00000005,
+    0x00000004, 0xffffffff, 0x00000000, 0x00000001, 0x0000000d, 0x53656874,
+    0x6c706d61, 0x74007265, 0x65546568, 0x72757478, 0x694d0065, 0x736f7263,
+    0x2074666f, 0x20295228, 0x4c534c48, 0x61685320, 0x20726564, 0x706d6f43,
+    0x72656c69, 0x332e3920, 0x32392e30, 0x312e3030, 0x34383336, 0xababab00,
+    0x4e475349, 0x0000006c, 0x00000003, 0x00000008, 0x00000050, 0x00000000,
+    0x00000001, 0x00000003, 0x00000000, 0x0000000f, 0x0000005c, 0x00000000,
+    0x00000000, 0x00000003, 0x00000001, 0x00000303, 0x00000065, 0x00000000,
+    0x00000000, 0x00000003, 0x00000002, 0x00000f0f, 0x505f5653, 0x5449534f,
+    0x004e4f49, 0x43584554, 0x44524f4f, 0x4c4f4300, 0xab00524f, 0x4e47534f,
+    0x0000002c, 0x00000001, 0x00000008, 0x00000020, 0x00000000, 0x00000000,
+    0x00000003, 0x00000000, 0x0000000f, 0x545f5653, 0x45475241, 0xabab0054
+};
+#elif defined(D3D11_USE_SHADER_MODEL_4_0_level_9_3)
+static const DWORD D3D11_PixelShader_Textures[] = {
+    0x43425844, 0x5876569a, 0x01b6c87e, 0x8447454f, 0xc7f3ef10, 0x00000001,
+    0x00000330, 0x00000006, 0x00000038, 0x000000c0, 0x0000015c, 0x000001d8,
+    0x00000288, 0x000002fc, 0x396e6f41, 0x00000080, 0x00000080, 0xffff0200,
+    0x00000058, 0x00000028, 0x00280000, 0x00280000, 0x00280000, 0x00240001,
+    0x00280000, 0x00000000, 0xffff0201, 0x0200001f, 0x80000000, 0xb0030000,
+    0x0200001f, 0x80000000, 0xb00f0001, 0x0200001f, 0x90000000, 0xa00f0800,
+    0x03000042, 0x800f0000, 0xb0e40000, 0xa0e40800, 0x03000005, 0x800f0000,
+    0x80e40000, 0xb0e40001, 0x02000001, 0x800f0800, 0x80e40000, 0x0000ffff,
+    0x52444853, 0x00000094, 0x00000040, 0x00000025, 0x0300005a, 0x00106000,
+    0x00000000, 0x04001858, 0x00107000, 0x00000000, 0x00005555, 0x03001062,
+    0x00101032, 0x00000001, 0x03001062, 0x001010f2, 0x00000002, 0x03000065,
+    0x001020f2, 0x00000000, 0x02000068, 0x00000001, 0x09000045, 0x001000f2,
+    0x00000000, 0x00101046, 0x00000001, 0x00107e46, 0x00000000, 0x00106000,
+    0x00000000, 0x07000038, 0x001020f2, 0x00000000, 0x00100e46, 0x00000000,
+    0x00101e46, 0x00000002, 0x0100003e, 0x54415453, 0x00000074, 0x00000003,
+    0x00000001, 0x00000000, 0x00000003, 0x00000001, 0x00000000, 0x00000000,
+    0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x46454452, 0x000000a8,
+    0x00000000, 0x00000000, 0x00000002, 0x0000001c, 0xffff0400, 0x00000100,
+    0x00000072, 0x0000005c, 0x00000003, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000001, 0x00000001, 0x00000067, 0x00000002, 0x00000005,
+    0x00000004, 0xffffffff, 0x00000000, 0x00000001, 0x0000000d, 0x53656874,
+    0x6c706d61, 0x74007265, 0x65546568, 0x72757478, 0x694d0065, 0x736f7263,
+    0x2074666f, 0x20295228, 0x4c534c48, 0x61685320, 0x20726564, 0x706d6f43,
+    0x72656c69, 0x332e3920, 0x32392e30, 0x312e3030, 0x34383336, 0xababab00,
+    0x4e475349, 0x0000006c, 0x00000003, 0x00000008, 0x00000050, 0x00000000,
+    0x00000001, 0x00000003, 0x00000000, 0x0000000f, 0x0000005c, 0x00000000,
+    0x00000000, 0x00000003, 0x00000001, 0x00000303, 0x00000065, 0x00000000,
+    0x00000000, 0x00000003, 0x00000002, 0x00000f0f, 0x505f5653, 0x5449534f,
+    0x004e4f49, 0x43584554, 0x44524f4f, 0x4c4f4300, 0xab00524f, 0x4e47534f,
+    0x0000002c, 0x00000001, 0x00000008, 0x00000020, 0x00000000, 0x00000000,
+    0x00000003, 0x00000000, 0x0000000f, 0x545f5653, 0x45475241, 0xabab0054
+};
+#else
+#error "An appropriate 'textures' pixel shader is not defined"
+#endif
+
+/* The color-only-rendering pixel shader:
+
+   --- D3D11_PixelShader_Colors.hlsl ---
+   struct PixelShaderInput
+   {
+       float4 pos : SV_POSITION;
+       float2 tex : TEXCOORD0;
+       float4 color : COLOR0;
+   };
+
+   float4 main(PixelShaderInput input) : SV_TARGET
+   {
+       return input.color;
+   }
+*/
+#if defined(D3D11_USE_SHADER_MODEL_4_0_level_9_1)
+static const DWORD D3D11_PixelShader_Colors[] = {
+    0x43425844, 0xd74c28fe, 0xa1eb8804, 0x269d512a, 0x7699723d, 0x00000001,
+    0x00000240, 0x00000006, 0x00000038, 0x00000084, 0x000000c4, 0x00000140,
+    0x00000198, 0x0000020c, 0x396e6f41, 0x00000044, 0x00000044, 0xffff0200,
+    0x00000020, 0x00000024, 0x00240000, 0x00240000, 0x00240000, 0x00240000,
+    0x00240000, 0xffff0200, 0x0200001f, 0x80000000, 0xb00f0001, 0x02000001,
+    0x800f0800, 0xb0e40001, 0x0000ffff, 0x52444853, 0x00000038, 0x00000040,
+    0x0000000e, 0x03001062, 0x001010f2, 0x00000002, 0x03000065, 0x001020f2,
+    0x00000000, 0x05000036, 0x001020f2, 0x00000000, 0x00101e46, 0x00000002,
+    0x0100003e, 0x54415453, 0x00000074, 0x00000002, 0x00000000, 0x00000000,
+    0x00000002, 0x00000000, 0x00000000, 0x00000000, 0x00000001, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000002, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x46454452, 0x00000050, 0x00000000, 0x00000000,
+    0x00000000, 0x0000001c, 0xffff0400, 0x00000100, 0x0000001c, 0x7263694d,
+    0x666f736f, 0x52282074, 0x4c482029, 0x53204c53, 0x65646168, 0x6f432072,
+    0x6c69706d, 0x39207265, 0x2e30332e, 0x30303239, 0x3336312e, 0xab003438,
+    0x4e475349, 0x0000006c, 0x00000003, 0x00000008, 0x00000050, 0x00000000,
+    0x00000001, 0x00000003, 0x00000000, 0x0000000f, 0x0000005c, 0x00000000,
+    0x00000000, 0x00000003, 0x00000001, 0x00000003, 0x00000065, 0x00000000,
+    0x00000000, 0x00000003, 0x00000002, 0x00000f0f, 0x505f5653, 0x5449534f,
+    0x004e4f49, 0x43584554, 0x44524f4f, 0x4c4f4300, 0xab00524f, 0x4e47534f,
+    0x0000002c, 0x00000001, 0x00000008, 0x00000020, 0x00000000, 0x00000000,
+    0x00000003, 0x00000000, 0x0000000f, 0x545f5653, 0x45475241, 0xabab0054
+};
+#elif defined(D3D11_USE_SHADER_MODEL_4_0_level_9_3)
+static const DWORD D3D11_PixelShader_Colors[] = {
+    0x43425844, 0x93f6ccfc, 0x5f919270, 0x7a11aa4f, 0x9148e931, 0x00000001,
+    0x00000240, 0x00000006, 0x00000038, 0x00000084, 0x000000c4, 0x00000140,
+    0x00000198, 0x0000020c, 0x396e6f41, 0x00000044, 0x00000044, 0xffff0200,
+    0x00000020, 0x00000024, 0x00240000, 0x00240000, 0x00240000, 0x00240000,
+    0x00240000, 0xffff0201, 0x0200001f, 0x80000000, 0xb00f0001, 0x02000001,
+    0x800f0800, 0xb0e40001, 0x0000ffff, 0x52444853, 0x00000038, 0x00000040,
+    0x0000000e, 0x03001062, 0x001010f2, 0x00000002, 0x03000065, 0x001020f2,
+    0x00000000, 0x05000036, 0x001020f2, 0x00000000, 0x00101e46, 0x00000002,
+    0x0100003e, 0x54415453, 0x00000074, 0x00000002, 0x00000000, 0x00000000,
+    0x00000002, 0x00000000, 0x00000000, 0x00000000, 0x00000001, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000002, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x46454452, 0x00000050, 0x00000000, 0x00000000,
+    0x00000000, 0x0000001c, 0xffff0400, 0x00000100, 0x0000001c, 0x7263694d,
+    0x666f736f, 0x52282074, 0x4c482029, 0x53204c53, 0x65646168, 0x6f432072,
+    0x6c69706d, 0x39207265, 0x2e30332e, 0x30303239, 0x3336312e, 0xab003438,
+    0x4e475349, 0x0000006c, 0x00000003, 0x00000008, 0x00000050, 0x00000000,
+    0x00000001, 0x00000003, 0x00000000, 0x0000000f, 0x0000005c, 0x00000000,
+    0x00000000, 0x00000003, 0x00000001, 0x00000003, 0x00000065, 0x00000000,
+    0x00000000, 0x00000003, 0x00000002, 0x00000f0f, 0x505f5653, 0x5449534f,
+    0x004e4f49, 0x43584554, 0x44524f4f, 0x4c4f4300, 0xab00524f, 0x4e47534f,
+    0x0000002c, 0x00000001, 0x00000008, 0x00000020, 0x00000000, 0x00000000,
+    0x00000003, 0x00000000, 0x0000000f, 0x545f5653, 0x45475241, 0xabab0054
+};
+#else
+#error "An appropriate 'colors' pixel shader is not defined."
+#endif
+
+/* The sole vertex shader:
+
+   --- D3D11_VertexShader.hlsl ---
+   #pragma pack_matrix( row_major )
+
+   cbuffer VertexShaderConstants : register(b0)
+   {
+       matrix model;
+       matrix projectionAndView;
+   };
+
+   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, projectionAndView);
+       output.pos = pos;
+
+       // Pass through texture coordinates and color values without transformation
+       output.tex = input.tex;
+       output.color = input.color;
+
+       return output;
+   }
+*/
+#if defined(D3D11_USE_SHADER_MODEL_4_0_level_9_1)
+static const DWORD D3D11_VertexShader[] = {
+    0x43425844, 0x62dfae5f, 0x3e8bd8df, 0x9ec97127, 0x5044eefb, 0x00000001,
+    0x00000598, 0x00000006, 0x00000038, 0x0000016c, 0x00000334, 0x000003b0,
+    0x000004b4, 0x00000524, 0x396e6f41, 0x0000012c, 0x0000012c, 0xfffe0200,
+    0x000000f8, 0x00000034, 0x00240001, 0x00300000, 0x00300000, 0x00240000,
+    0x00300001, 0x00000000, 0x00010008, 0x00000000, 0x00000000, 0xfffe0200,
+    0x0200001f, 0x80000005, 0x900f0000, 0x0200001f, 0x80010005, 0x900f0001,
+    0x0200001f, 0x80020005, 0x900f0002, 0x03000005, 0x800f0000, 0x90550000,
+    0xa0e40002, 0x04000004, 0x800f0000, 0x90000000, 0xa0e40001, 0x80e40000,
+    0x04000004, 0x800f0000, 0x90aa0000, 0xa0e40003, 0x80e40000, 0x03000002,
+    0x800f0000, 0x80e40000, 0xa0e40004, 0x03000005, 0x800f0001, 0x80550000,
+    0xa0e40006, 0x04000004, 0x800f0001, 0x80000000, 0xa0e40005, 0x80e40001,
+    0x04000004, 0x800f0001, 0x80aa0000, 0xa0e40007, 0x80e40001, 0x04000004,
+    0x800f0000, 0x80ff0000, 0xa0e40008, 0x80e40001, 0x04000004, 0xc0030000,
+    0x80ff0000, 0xa0e40000, 0x80e40000, 0x02000001, 0xc00c0000, 0x80e40000,
+    0x02000001, 0xe0030000, 0x90e40001, 0x02000001, 0xe00f0001, 0x90e40002,
+    0x0000ffff, 0x52444853, 0x000001c0, 0x00010040, 0x00000070, 0x04000059,
+    0x00208e46, 0x00000000, 0x00000008, 0x0300005f, 0x00101072, 0x00000000,
+    0x0300005f, 0x00101032, 0x00000001, 0x0300005f, 0x001010f2, 0x00000002,
+    0x04000067, 0x001020f2, 0x00000000, 0x00000001, 0x03000065, 0x00102032,
+    0x00000001, 0x03000065, 0x001020f2, 0x00000002, 0x02000068, 0x00000002,
+    0x08000038, 0x001000f2, 0x00000000, 0x00101556, 0x00000000, 0x00208e46,
+    0x00000000, 0x00000001, 0x0a000032, 0x001000f2, 0x00000000, 0x00101006,
+    0x00000000, 0x00208e46, 0x00000000, 0x00000000, 0x00100e46, 0x00000000,
+    0x0a000032, 0x001000f2, 0x00000000, 0x00101aa6, 0x00000000, 0x00208e46,
+    0x00000000, 0x00000002, 0x00100e46, 0x00000000, 0x08000000, 0x001000f2,
+    0x00000000, 0x00100e46, 0x00000000, 0x00208e46, 0x00000000, 0x00000003,
+    0x08000038, 0x001000f2, 0x00000001, 0x00100556, 0x00000000, 0x00208e46,
+    0x00000000, 0x00000005, 0x0a000032, 0x001000f2, 0x00000001, 0x00100006,
+    0x00000000, 0x00208e46, 0x00000000, 0x00000004, 0x00100e46, 0x00000001,
+    0x0a000032, 0x001000f2, 0x00000001, 0x00100aa6, 0x00000000, 0x00208e46,
+    0x00000000, 0x00000006, 0x00100e46, 0x00000001, 0x0a000032, 0x001020f2,
+    0x00000000, 0x00100ff6, 0x00000000, 0x00208e46, 0x00000000, 0x00000007,
+    0x00100e46, 0x00000001, 0x05000036, 0x00102032, 0x00000001, 0x00101046,
+    0x00000001, 0x05000036, 0x001020f2, 0x00000002, 0x00101e46, 0x00000002,
+    0x0100003e, 0x54415453, 0x00000074, 0x0000000b, 0x00000002, 0x00000000,
+    0x00000006, 0x00000003, 0x00000000, 0x00000000, 0x00000001, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000003, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x46454452, 0x000000fc, 0x00000001, 0x00000054,
+    0x00000001, 0x0000001c, 0xfffe0400, 0x00000100, 0x000000c6, 0x0000003c,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000001,
+    0x00000001, 0x74726556, 0x68537865, 0x72656461, 0x736e6f43, 0x746e6174,
+    0xabab0073, 0x0000003c, 0x00000002, 0x0000006c, 0x00000080, 0x00000000,
+    0x00000000, 0x0000009c, 0x00000000, 0x00000040, 0x00000002, 0x000000a4,
+    0x00000000, 0x000000b4, 0x00000040, 0x00000040, 0x00000002, 0x000000a4,
+    0x00000000, 0x65646f6d, 0xabab006c, 0x00030002, 0x00040004, 0x00000000,
+    0x00000000, 0x6a6f7270, 0x69746365, 0x6e416e6f, 0x65695664, 0x694d0077,
+    0x736f7263, 0x2074666f, 0x20295228, 0x4c534c48, 0x61685320, 0x20726564,
+    0x706d6f43, 0x72656c69, 0x332e3920, 0x32392e30, 0x312e3030, 0x34383336,
+    0xababab00, 0x4e475349, 0x00000068, 0x00000003, 0x00000008, 0x00000050,
+    0x00000000, 0x00000000, 0x00000003, 0x00000000, 0x00000707, 0x00000059,
+    0x00000000, 0x00000000, 0x00000003, 0x00000001, 0x00000303, 0x00000062,
+    0x00000000, 0x00000000, 0x00000003, 0x00000002, 0x00000f0f, 0x49534f50,
+    0x4e4f4954, 0x58455400, 0x524f4f43, 0x4f430044, 0x00524f4c, 0x4e47534f,
+    0x0000006c, 0x00000003, 0x00000008, 0x00000050, 0x00000000, 0x00000001,
+    0x00000003, 0x00000000, 0x0000000f, 0x0000005c, 0x00000000, 0x00000000,
+    0x00000003, 0x00000001, 0x00000c03, 0x00000065, 0x00000000, 0x00000000,
+    0x00000003, 0x00000002, 0x0000000f, 0x505f5653, 0x5449534f, 0x004e4f49,
+    0x43584554, 0x44524f4f, 0x4c4f4300, 0xab00524f
+};
+#elif defined(D3D11_USE_SHADER_MODEL_4_0_level_9_3)
+static const DWORD D3D11_VertexShader[] = {
+    0x43425844, 0x01a24e41, 0x696af551, 0x4b2a87d1, 0x82ea03f6, 0x00000001,
+    0x00000598, 0x00000006, 0x00000038, 0x0000016c, 0x00000334, 0x000003b0,
+    0x000004b4, 0x00000524, 0x396e6f41, 0x0000012c, 0x0000012c, 0xfffe0200,
+    0x000000f8, 0x00000034, 0x00240001, 0x00300000, 0x00300000, 0x00240000,
+    0x00300001, 0x00000000, 0x00010008, 0x00000000, 0x00000000, 0xfffe0201,
+    0x0200001f, 0x80000005, 0x900f0000, 0x0200001f, 0x80010005, 0x900f0001,
+    0x0200001f, 0x80020005, 0x900f0002, 0x03000005, 0x800f0000, 0x90550000,
+    0xa0e40002, 0x04000004, 0x800f0000, 0x90000000, 0xa0e40001, 0x80e40000,
+    0x04000004, 0x800f0000, 0x90aa0000, 0xa0e40003, 0x80e40000, 0x03000002,
+    0x800f0000, 0x80e40000, 0xa0e40004, 0x03000005, 0x800f0001, 0x80550000,
+    0xa0e40006, 0x04000004, 0x800f0001, 0x80000000, 0xa0e40005, 0x80e40001,
+    0x04000004, 0x800f0001, 0x80aa0000, 0xa0e40007, 0x80e40001, 0x04000004,
+    0x800f0000, 0x80ff0000, 0xa0e40008, 0x80e40001, 0x04000004, 0xc0030000,
+    0x80ff0000, 0xa0e40000, 0x80e40000, 0x02000001, 0xc00c0000, 0x80e40000,
+    0x02000001, 0xe0030000, 0x90e40001, 0x02000001, 0xe00f0001, 0x90e40002,
+    0x0000ffff, 0x52444853, 0x000001c0, 0x00010040, 0x00000070, 0x04000059,
+    0x00208e46, 0x00000000, 0x00000008, 0x0300005f, 0x00101072, 0x00000000,
+    0x0300005f, 0x00101032, 0x00000001, 0x0300005f, 0x001010f2, 0x00000002,
+    0x04000067, 0x001020f2, 0x00000000, 0x00000001, 0x03000065, 0x00102032,
+    0x00000001, 0x03000065, 0x001020f2, 0x00000002, 0x02000068, 0x00000002,
+    0x08000038, 0x001000f2, 0x00000000, 0x00101556, 0x00000000, 0x00208e46,
+    0x00000000, 0x00000001, 0x0a000032, 0x001000f2, 0x00000000, 0x00101006,
+    0x00000000, 0x00208e46, 0x00000000, 0x00000000, 0x00100e46, 0x00000000,
+    0x0a000032, 0x001000f2, 0x00000000, 0x00101aa6, 0x00000000, 0x00208e46,
+    0x00000000, 0x00000002, 0x00100e46, 0x00000000, 0x08000000, 0x001000f2,
+    0x00000000, 0x00100e46, 0x00000000, 0x00208e46, 0x00000000, 0x00000003,
+    0x08000038, 0x001000f2, 0x00000001, 0x00100556, 0x00000000, 0x00208e46,
+    0x00000000, 0x00000005, 0x0a000032, 0x001000f2, 0x00000001, 0x00100006,
+    0x00000000, 0x00208e46, 0x00000000, 0x00000004, 0x00100e46, 0x00000001,
+    0x0a000032, 0x001000f2, 0x00000001, 0x00100aa6, 0x00000000, 0x00208e46,
+    0x00000000, 0x00000006, 0x00100e46, 0x00000001, 0x0a000032, 0x001020f2,
+    0x00000000, 0x00100ff6, 0x00000000, 0x00208e46, 0x00000000, 0x00000007,
+    0x00100e46, 0x00000001, 0x05000036, 0x00102032, 0x00000001, 0x00101046,
+    0x00000001, 0x05000036, 0x001020f2, 0x00000002, 0x00101e46, 0x00000002,
+    0x0100003e, 0x54415453, 0x00000074, 0x0000000b, 0x00000002, 0x00000000,
+    0x00000006, 0x00000003, 0x00000000, 0x00000000, 0x00000001, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000003, 0x00000000,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+    0x00000000, 0x00000000, 0x46454452, 0x000000fc, 0x00000001, 0x00000054,
+    0x00000001, 0x0000001c, 0xfffe0400, 0x00000100, 0x000000c6, 0x0000003c,
+    0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000001,
+    0x00000001, 0x74726556, 0x68537865, 0x72656461, 0x736e6f43, 0x746e6174,
+    0xabab0073, 0x0000003c, 0x00000002, 0x0000006c, 0x00000080, 0x00000000,
+    0x00000000, 0x0000009c, 0x00000000, 0x00000040, 0x00000002, 0x000000a4,
+    0x00000000, 0x000000b4, 0x00000040, 0x00000040, 0x00000002, 0x000000a4,
+    0x00000000, 0x65646f6d, 0xabab006c, 0x00030002, 0x00040004, 0x00000000,
+    0x00000000, 0x6a6f7270, 0x69746365, 0x6e416e6f, 0x65695664, 0x694d0077,
+    0x736f7263, 0x2074666f, 0x20295228, 0x4c534c48, 0x61685320, 0x20726564,
+    0x706d6f43, 0x72656c69, 0x332e3920, 0x32392e30, 0x312e3030, 0x34383336,
+    0xababab00, 0x4e475349, 0x00000068, 0x00000003, 0x00000008, 0x00000050,
+    0x00000000, 0x00000000, 0x00000003, 0x00000000, 0x00000707, 0x00000059,
+    0x00000000, 0x00000000, 0x00000003, 0x00000001, 0x00000303, 0x00000062,
+    0x00000000, 0x00000000, 0x00000003, 0x00000002, 0x00000f0f, 0x49534f50,
+    0x4e4f4954, 0x58455400, 0x524f4f43, 0x4f430044, 0x00524f4c, 0x4e47534f,
+    0x0000006c, 0x00000003, 0x00000008, 0x00000050, 0x00000000, 0x00000001,
+    0x00000003, 0x00000000, 0x0000000f, 0x0000005c, 0x00000000, 0x00000000,
+    0x00000003, 0x00000001, 0x00000c03, 0x00000065, 0x00000000, 0x00000000,
+    0x00000003, 0x00000002, 0x0000000f, 0x505f5653, 0x5449534f, 0x004e4f49,
+    0x43584554, 0x44524f4f, 0x4c4f4300, 0xab00524f
+};
+#else
+#error "An appropriate vertex shader is not defined."
+#endif
+
+/* Direct3D 11.1 renderer implementation */
+static SDL_Renderer *D3D11_CreateRenderer(SDL_Window * window, Uint32 flags);
+static void D3D11_WindowEvent(SDL_Renderer * renderer,
+                            const SDL_WindowEvent *event);
+static int D3D11_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
+static int D3D11_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
+                             const SDL_Rect * rect, const void *srcPixels,
+                             int srcPitch);
+static int D3D11_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
+                             const SDL_Rect * rect, void **pixels, int *pitch);
+static void D3D11_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
+static int D3D11_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture);
+static int D3D11_UpdateViewport(SDL_Renderer * renderer);
+static int D3D11_UpdateClipRect(SDL_Renderer * renderer);
+static int D3D11_RenderClear(SDL_Renderer * renderer);
+static int D3D11_RenderDrawPoints(SDL_Renderer * renderer,
+                                  const SDL_FPoint * points, int count);
+static int D3D11_RenderDrawLines(SDL_Renderer * renderer,
+                                 const SDL_FPoint * points, int count);
+static int D3D11_RenderFillRects(SDL_Renderer * renderer,
+                                 const SDL_FRect * rects, int count);
+static int D3D11_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
+                            const SDL_Rect * srcrect, const SDL_FRect * dstrect);
+static int D3D11_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
+                              const SDL_Rect * srcrect, const SDL_FRect * dstrect,
+                              const double angle, const SDL_FPoint * center, const SDL_RendererFlip flip);
+static int D3D11_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
+                                  Uint32 format, void * pixels, int pitch);
+static void D3D11_RenderPresent(SDL_Renderer * renderer);
+static void D3D11_DestroyTexture(SDL_Renderer * renderer,
+                                 SDL_Texture * texture);
+static void D3D11_DestroyRenderer(SDL_Renderer * renderer);
+
+/* Direct3D 11.1 Internal Functions */
+HRESULT D3D11_CreateDeviceResources(SDL_Renderer * renderer);
+HRESULT D3D11_CreateWindowSizeDependentResources(SDL_Renderer * renderer);
+HRESULT D3D11_UpdateForWindowSizeChange(SDL_Renderer * renderer);
+HRESULT D3D11_HandleDeviceLost(SDL_Renderer * renderer);
+
+extern "C" SDL_RenderDriver D3D11_RenderDriver = {
+    D3D11_CreateRenderer,
+    {
+        "direct3d 11.1",
+        (
+            SDL_RENDERER_ACCELERATED |
+            SDL_RENDERER_PRESENTVSYNC |
+            SDL_RENDERER_TARGETTEXTURE
+        ),                          // flags.  see SDL_RendererFlags
+        2,                          // num_texture_formats
+        {                           // texture_formats
+            SDL_PIXELFORMAT_RGB888,
+            SDL_PIXELFORMAT_ARGB8888
+        },
+        0,                          // max_texture_width: will be filled in later
+        0                           // max_texture_height: will be filled in later
+    }
+};
+
+
+static Uint32
+DXGIFormatToSDLPixelFormat(DXGI_FORMAT dxgiFormat) {
+    switch (dxgiFormat) {
+        case DXGI_FORMAT_B8G8R8A8_UNORM:
+            return SDL_PIXELFORMAT_ARGB8888;
+        case DXGI_FORMAT_B8G8R8X8_UNORM:
+            return SDL_PIXELFORMAT_RGB888;
+        default:
+            return SDL_PIXELFORMAT_UNKNOWN;
+    }
+}
+
+static DXGI_FORMAT
+SDLPixelFormatToDXGIFormat(Uint32 sdlFormat)
+{
+    switch (sdlFormat) {
+        case SDL_PIXELFORMAT_ARGB8888:
+            return DXGI_FORMAT_B8G8R8A8_UNORM;
+        case SDL_PIXELFORMAT_RGB888:
+            return DXGI_FORMAT_B8G8R8X8_UNORM;
+        default:
+            return DXGI_FORMAT_UNKNOWN;
+    }
+}
+
+SDL_Renderer *
+D3D11_CreateRenderer(SDL_Window * window, Uint32 flags)
+{
+    SDL_Renderer *renderer;
+    D3D11_RenderData *data;
+
+    renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
+    if (!renderer) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+    SDL_zerop(renderer);
+
+    data = new D3D11_RenderData;    // Use the C++ 'new' operator to make sure the struct's members initialize using C++ rules
+    if (!data) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+    data->featureLevel = (D3D_FEATURE_LEVEL) 0;
+    data->windowSizeInDIPs = XMFLOAT2(0, 0);
+    data->renderTargetSize = XMFLOAT2(0, 0);
+
+    renderer->WindowEvent = D3D11_WindowEvent;
+    renderer->CreateTexture = D3D11_CreateTexture;
+    renderer->UpdateTexture = D3D11_UpdateTexture;
+    renderer->LockTexture = D3D11_LockTexture;
+    renderer->UnlockTexture = D3D11_UnlockTexture;
+    renderer->SetRenderTarget = D3D11_SetRenderTarget;
+    renderer->UpdateViewport = D3D11_UpdateViewport;
+    renderer->UpdateClipRect = D3D11_UpdateClipRect;
+    renderer->RenderClear = D3D11_RenderClear;
+    renderer->RenderDrawPoints = D3D11_RenderDrawPoints;
+    renderer->RenderDrawLines = D3D11_RenderDrawLines;
+    renderer->RenderFillRects = D3D11_RenderFillRects;
+    renderer->RenderCopy = D3D11_RenderCopy;
+    renderer->RenderCopyEx = D3D11_RenderCopyEx;
+    renderer->RenderReadPixels = D3D11_RenderReadPixels;
+    renderer->RenderPresent = D3D11_RenderPresent;
+    renderer->DestroyTexture = D3D11_DestroyTexture;
+    renderer->DestroyRenderer = D3D11_DestroyRenderer;
+    renderer->info = D3D11_RenderDriver.info;
+    renderer->driverdata = data;
+
+    // HACK: make sure the SDL_Renderer references the SDL_Window data now, in
+    // order to give init functions access to the underlying window handle:
+    renderer->window = window;
+
+    /* Initialize Direct3D resources */
+    if (FAILED(D3D11_CreateDeviceResources(renderer))) {
+        D3D11_DestroyRenderer(renderer);
+        return NULL;
+    }
+    if (FAILED(D3D11_CreateWindowSizeDependentResources(renderer))) {
+        D3D11_DestroyRenderer(renderer);
+        return NULL;
+    }
+
+    // TODO, WinRT: fill in renderer->info.texture_formats where appropriate
+
+    return renderer;
+}
+
+static void
+D3D11_DestroyRenderer(SDL_Renderer * renderer)
+{
+    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
+    if (data) {
+        delete data;
+        data = NULL;
+    }
+}
+
+static HRESULT
+D3D11_CreateBlendMode(SDL_Renderer * renderer,
+                      BOOL enableBlending,
+                      D3D11_BLEND srcBlend,
+                      D3D11_BLEND destBlend,
+                      D3D11_BLEND srcBlendAlpha,
+                      D3D11_BLEND destBlendAlpha,
+                      ID3D11BlendState ** blendStateOutput)
+{
+    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
+    HRESULT result = S_OK;
+
+    D3D11_BLEND_DESC blendDesc;
+    memset(&blendDesc, 0, sizeof(blendDesc));
+    blendDesc.AlphaToCoverageEnable = FALSE;
+    blendDesc.IndependentBlendEnable = FALSE;
+    blendDesc.RenderTarget[0].BlendEnable = enableBlending;
+    blendDesc.RenderTarget[0].SrcBlend = srcBlend;
+    blendDesc.RenderTarget[0].DestBlend = destBlend;
+    blendDesc.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
+    blendDesc.RenderTarget[0].SrcBlendAlpha = srcBlendAlpha;
+    blendDesc.RenderTarget[0].DestBlendAlpha = destBlendAlpha;
+    blendDesc.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
+    blendDesc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL;
+    result = data->d3dDevice->CreateBlendState(&blendDesc, blendStateOutput);
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateBlendState", result);
+        return result;
+    }
+
+    return S_OK;
+}
+
+// Create resources that depend on the device.
+HRESULT
+D3D11_CreateDeviceResources(SDL_Renderer * renderer)
+{
+    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
+
+    // This flag adds support for surfaces with a different color channel ordering
+    // than the API default. It is required for compatibility with Direct2D.
+    UINT creationFlags = D3D11_CREATE_DEVICE_BGRA_SUPPORT;
+
+    // Make sure Direct3D's debugging feature gets used, if the app requests it.
+    const char *hint = SDL_GetHint(SDL_HINT_RENDER_DIRECT3D11_DEBUG);
+    if (hint) {
+        if (*hint == '1') {
+            creationFlags |= D3D11_CREATE_DEVICE_DEBUG;
+        }
+    }
+
+    // This array defines the set of DirectX hardware feature levels this app will support.
+    // Note the ordering should be preserved.
+    // Don't forget to declare your application's minimum required feature level in its
+    // description.  All applications are assumed to support 9.1 unless otherwise stated.
+    D3D_FEATURE_LEVEL featureLevels[] = 
+    {
+        D3D_FEATURE_LEVEL_11_1,
+        D3D_FEATURE_LEVEL_11_0,
+        D3D_FEATURE_LEVEL_10_1,
+        D3D_FEATURE_LEVEL_10_0,
+        D3D_FEATURE_LEVEL_9_3,
+        D3D_FEATURE_LEVEL_9_2,
+        D3D_FEATURE_LEVEL_9_1
+    };
+
+    // Create the Direct3D 11 API device object and a corresponding context.
+    ComPtr<ID3D11Device> device;
+    ComPtr<ID3D11DeviceContext> context;
+    HRESULT result = S_OK;
+    result = D3D11CreateDevice(
+        nullptr, // Specify nullptr to use the default adapter.
+        D3D_DRIVER_TYPE_HARDWARE,
+        nullptr,
+        creationFlags, // Set set debug and Direct2D compatibility flags.
+        featureLevels, // List of feature levels this app can support.
+        ARRAYSIZE(featureLevels),
+        D3D11_SDK_VERSION, // Always set this to D3D11_SDK_VERSION for Windows Store apps.
+        &device, // Returns the Direct3D device created.
+        &data->featureLevel, // Returns feature level of device created.
+        &context // Returns the device immediate context.
+        );
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", D3D11CreateDevice", result);
+        return result;
+    }
+
+    // Get the Direct3D 11.1 API device and context interfaces.
+    result = device.As(&(data->d3dDevice));
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device to ID3D11Device1", result);
+        return result;
+    }
+
+    result = context.As(&data->d3dContext);
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11DeviceContext to ID3D11DeviceContext1", result);
+        return result;
+    }
+
+    //
+    // Make note of the maximum texture size
+    // Max texture sizes are documented on MSDN, at:
+    // http://msdn.microsoft.com/en-us/library/windows/apps/ff476876.aspx
+    //
+    switch (data->d3dDevice->GetFeatureLevel()) {
+        case D3D_FEATURE_LEVEL_11_1:
+        case D3D_FEATURE_LEVEL_11_0:
+            renderer->info.max_texture_width = renderer->info.max_texture_height = 16384;
+            break;
+
+        case D3D_FEATURE_LEVEL_10_1:
+        case D3D_FEATURE_LEVEL_10_0:
+            renderer->info.max_texture_width = renderer->info.max_texture_height = 8192;
+            break;
+
+        case D3D_FEATURE_LEVEL_9_3:
+            renderer->info.max_texture_width = renderer->info.max_texture_height = 4096;
+            break;
+
+        case D3D_FEATURE_LEVEL_9_2:
+        case D3D_FEATURE_LEVEL_9_1:
+            renderer->info.max_texture_width = renderer->info.max_texture_height = 2048;
+            break;
+    }
+
+    //
+    // Load in SDL's one and only vertex shader:
+    //
+    result = data->d3dDevice->CreateVertexShader(
+        D3D11_VertexShader,
+        sizeof(D3D11_VertexShader),
+        nullptr,
+        &data->vertexShader
+        );
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateVertexShader", result);
+        return result;
+    }
+
+    //
+    // Create an input layout for SDL's vertex shader:
+    //
+    const D3D11_INPUT_ELEMENT_DESC vertexDesc[] = 
+    {
+        { "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
+        { "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 },
+        { "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 20, D3D11_INPUT_PER_VERTEX_DATA, 0 },
+    };
+
+    result = data->d3dDevice->CreateInputLayout(
+        vertexDesc,
+        ARRAYSIZE(vertexDesc),
+        D3D11_VertexShader,
+        sizeof(D3D11_VertexShader),
+        &data->inputLayout
+        );
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateInputLayout", result);
+        return result;
+    }
+
+    //
+    // Load in SDL's pixel shaders
+    //
+
+    result = data->d3dDevice->CreatePixelShader(
+        D3D11_PixelShader_Textures,
+        sizeof(D3D11_PixelShader_Textures),
+        nullptr,
+        &data->texturePixelShader
+        );
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreatePixelShader ['textures' shader]", result);
+        return result;
+    }
+
+    result = data->d3dDevice->CreatePixelShader(
+        D3D11_PixelShader_Colors,
+        sizeof(D3D11_PixelShader_Colors),
+        nullptr,
+        &data->colorPixelShader
+        );
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreatePixelShader ['color' shader]", result);
+        return result;
+    }
+
+    //
+    // Setup space to hold vertex shader constants:
+    //
+    CD3D11_BUFFER_DESC constantBufferDesc(sizeof(VertexShaderConstants), D3D11_BIND_CONSTANT_BUFFER);
+    result = data->d3dDevice->CreateBuffer(
+		&constantBufferDesc,
+		nullptr,
+        &data->vertexShaderConstants
+		);
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateBuffer [vertex shader constants]", result);
+        return result;
+    }
+
+    //
+    // Make sure that the vertex buffer, if already created, gets freed.
+    // It will be recreated later.
+    //
+    data->vertexBuffer = nullptr;
+
+    //
+    // Create samplers to use when drawing textures:
+    //
+    D3D11_SAMPLER_DESC samplerDesc;
+    samplerDesc.Filter = SDL_D3D11_NEAREST_PIXEL_FILTER;
+    samplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_CLAMP;
+    samplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_CLAMP;
+    samplerDesc.AddressW = D3D11_TEXTURE_ADDRESS_CLAMP;
+    samplerDesc.MipLODBias = 0.0f;
+    samplerDesc.MaxAnisotropy = 1;
+    samplerDesc.ComparisonFunc = D3D11_COMPARISON_ALWAYS;
+    samplerDesc.BorderColor[0] = 0.0f;
+    samplerDesc.BorderColor[1] = 0.0f;
+    samplerDesc.BorderColor[2] = 0.0f;
+    samplerDesc.BorderColor[3] = 0.0f;
+    samplerDesc.MinLOD = 0.0f;
+    samplerDesc.MaxLOD = D3D11_FLOAT32_MAX;
+    result = data->d3dDevice->CreateSamplerState(
+        &samplerDesc,
+        &data->nearestPixelSampler
+        );
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateSamplerState [nearest-pixel filter]", result);
+        return result;
+    }
+
+    samplerDesc.Filter = SDL_D3D11_LINEAR_FILTER;
+    result = data->d3dDevice->CreateSamplerState(
+        &samplerDesc,
+        &data->linearSampler
+        );
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateSamplerState [linear filter]", result);
+        return result;
+    }
+
+    //
+    // Setup Direct3D rasterizer states
+    //
+    D3D11_RASTERIZER_DESC rasterDesc;
+    memset(&rasterDesc, 0, sizeof(rasterDesc));
+	rasterDesc.AntialiasedLineEnable = false;
+	rasterDesc.CullMode = D3D11_CULL_NONE;
+	rasterDesc.DepthBias = 0;
+	rasterDesc.DepthBiasClamp = 0.0f;
+	rasterDesc.DepthClipEnable = true;
+	rasterDesc.FillMode = D3D11_FILL_SOLID;
+	rasterDesc.FrontCounterClockwise = false;
+	rasterDesc.MultisampleEnable = false;
+	rasterDesc.ScissorEnable = false;
+	rasterDesc.SlopeScaledDepthBias = 0.0f;
+	result = data->d3dDevice->CreateRasterizerState(&rasterDesc, &data->mainRasterizer);
+	if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateRasterizerState [main rasterizer]", result);
+        return result;
+    }
+
+    rasterDesc.ScissorEnable = true;
+    result = data->d3dDevice->CreateRasterizerState(&rasterDesc, &data->clippedRasterizer);
+	if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateRasterizerState [clipped rasterizer]", result);
+        return result;
+    }
+
+    //
+    // Create blending states:
+    //
+    result = D3D11_CreateBlendMode(
+        renderer,
+        TRUE,
+        D3D11_BLEND_SRC_ALPHA,          /* srcBlend */
+        D3D11_BLEND_INV_SRC_ALPHA,      /* destBlend */
+        D3D11_BLEND_ONE,                /* srcBlendAlpha */
+        D3D11_BLEND_INV_SRC_ALPHA,      /* destBlendAlpha */
+        &data->blendModeBlend);
+    if (FAILED(result)) {
+        // D3D11_CreateBlendMode will set the SDL error, if it fails
+        return result;
+    }
+
+    result = D3D11_CreateBlendMode(
+        renderer,
+        TRUE,
+        D3D11_BLEND_SRC_ALPHA,          /* srcBlend */
+        D3D11_BLEND_ONE,                /* destBlend */
+        D3D11_BLEND_ZERO,               /* srcBlendAlpha */
+        D3D11_BLEND_ONE,                /* destBlendAlpha */
+        &data->blendModeAdd);
+    if (FAILED(result)) {
+        // D3D11_CreateBlendMode will set the SDL error, if it fails
+        return result;
+    }
+
+    result = D3D11_CreateBlendMode(
+        renderer,
+        TRUE,
+        D3D11_BLEND_ZERO,               /* srcBlend */
+        D3D11_BLEND_SRC_COLOR,          /* destBlend */
+        D3D11_BLEND_ZERO,               /* srcBlendAlpha */
+        D3D11_BLEND_ONE,                /* destBlendAlpha */
+        &data->blendModeMod);
+    if (FAILED(result)) {
+        // D3D11_CreateBlendMode will set the SDL error, if it fails
+        return result;
+    }
+
+    //
+    // All done!
+    //
+    return S_OK;
+}
+
+#ifdef __WINRT__
+
+static ABI::Windows::UI::Core::ICoreWindow *
+D3D11_GetCoreWindowFromSDLRenderer(SDL_Renderer * renderer)
+{
+    SDL_Window * sdlWindow = renderer->window;
+    if ( ! renderer->window ) {
+        return nullptr;
+    }
+
+    SDL_SysWMinfo sdlWindowInfo;
+    SDL_VERSION(&sdlWindowInfo.version);
+    if ( ! SDL_GetWindowWMInfo(sdlWindow, &sdlWindowInfo) ) {
+        return nullptr;
+    }
+
+    if (sdlWindowInfo.subsystem != SDL_SYSWM_WINRT) {
+        return nullptr;
+    }
+
+    if ( ! sdlWindowInfo.info.winrt.window ) {
+        return nullptr;
+    }
+
+    ABI::Windows::UI::Core::ICoreWindow * coreWindow = nullptr;
+    if (FAILED(sdlWindowInfo.info.winrt.window->QueryInterface(&coreWindow))) {
+        return nullptr;
+    }
+
+    return coreWindow;
+}
+
+// Method to convert a length in device-independent pixels (DIPs) to a length in physical pixels.
+static float
+D3D11_ConvertDipsToPixels(float dips)
+{
+    static const float dipsPerInch = 96.0f;
+    return floor(dips * DisplayProperties::LogicalDpi / dipsPerInch + 0.5f); // Round to nearest integer.
+}
+#endif
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP
+// TODO, WinRT, XAML: get the ISwapChainBackgroundPanelNative from something other than a global var
+extern ISwapChainBackgroundPanelNative * WINRT_GlobalSwapChainBackgroundPanelNative;
+#endif
+
+static DXGI_MODE_ROTATION
+D3D11_GetRotationForOrientation(Windows::Graphics::Display::DisplayOrientations orientation)
+{
+    switch (orientation)
+    {
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+        //
+        // Windows Phone rotations
+        //
+        case DisplayOrientations::Landscape:
+            return DXGI_MODE_ROTATION_ROTATE90;
+        case DisplayOrientations::Portrait:
+            return DXGI_MODE_ROTATION_IDENTITY;
+        case DisplayOrientations::LandscapeFlipped:
+            return DXGI_MODE_ROTATION_ROTATE270;
+        case DisplayOrientations::PortraitFlipped:
+            return DXGI_MODE_ROTATION_ROTATE180;
+#else
+        //
+        // Non-Windows-Phone rotations (ex: Windows 8, Windows RT)
+        //
+        case DisplayOrientations::Landscape:
+            return DXGI_MODE_ROTATION_IDENTITY;
+        case DisplayOrientations::Portrait:
+            return DXGI_MODE_ROTATION_ROTATE270;
+        case DisplayOrientations::LandscapeFlipped:
+            return DXGI_MODE_ROTATION_ROTATE180;
+        case DisplayOrientations::PortraitFlipped:
+            return DXGI_MODE_ROTATION_ROTATE90;
+#endif // WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+
+        default:
+            return DXGI_MODE_ROTATION_UNSPECIFIED;
+    }
+}
+
+static bool
+D3D11_IsDisplayRotated90Degrees(Windows::Graphics::Display::DisplayOrientations orientation)
+{
+    switch (D3D11_GetRotationForOrientation(orientation)) {
+        case DXGI_MODE_ROTATION_ROTATE90:
+        case DXGI_MODE_ROTATION_ROTATE270:
+            return true;
+        default:
+            return false;
+    }
+}
+
+static int
+D3D11_GetViewportAlignedD3DRect(SDL_Renderer * renderer, const SDL_Rect * sdlRect, D3D11_RECT * outRect)
+{
+    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
+    switch (D3D11_GetRotationForOrientation(data-> orientation)) {
+        case DXGI_MODE_ROTATION_IDENTITY:
+            outRect->left = sdlRect->x;
+            outRect->right = sdlRect->x + sdlRect->w;
+            outRect->top = sdlRect->y;
+            outRect->bottom = sdlRect->y + sdlRect->h;
+            break;
+        case DXGI_MODE_ROTATION_ROTATE270:
+            outRect->left = sdlRect->y;
+            outRect->right = sdlRect->y + sdlRect->h;
+            outRect->top = renderer->viewport.w - sdlRect->x - sdlRect->w;
+            outRect->bottom = renderer->viewport.w - sdlRect->x;
+            break;
+        case DXGI_MODE_ROTATION_ROTATE180:
+            outRect->left = renderer->viewport.w - sdlRect->x - sdlRect->w;
+            outRect->right = renderer->viewport.w - sdlRect->x;
+            outRect->top = renderer->viewport.h - sdlRect->y - sdlRect->h;
+            outRect->bottom = renderer->viewport.h - sdlRect->y;
+            break;
+        case DXGI_MODE_ROTATION_ROTATE90:
+            outRect->left = renderer->viewport.h - sdlRect->y - sdlRect->h;
+            outRect->right = renderer->viewport.h - sdlRect->y;
+            outRect->top = sdlRect->x;
+            outRect->bottom = sdlRect->x + sdlRect->h;
+            break;
+        default:
+            return SDL_SetError("The physical display is in an unknown or unsupported orientation");
+    }
+    return 0;
+}
+
+
+// Initialize all resources that change when the window's size changes.
+// TODO, WinRT: get D3D11_CreateWindowSizeDependentResources working on Win32
+HRESULT
+D3D11_CreateWindowSizeDependentResources(SDL_Renderer * renderer)
+{
+    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
+    HRESULT result = S_OK;
+    ABI::Windows::UI::Core::ICoreWindow * coreWindow = D3D11_GetCoreWindowFromSDLRenderer(renderer);
+
+    // Store the window bounds so the next time we get a SizeChanged event we can
+    // avoid rebuilding everything if the size is identical.
+    ABI::Windows::Foundation::Rect nativeWindowBounds;
+    if (coreWindow) {
+        result = coreWindow->get_Bounds(&nativeWindowBounds);
+        if (FAILED(result)) {
+            WIN_SetErrorFromHRESULT(__FUNCTION__", ICoreWindow::get_Bounds [get native-window bounds]", result);
+            return result;
+        }
+    } else {
+        // TODO, WinRT, XAML: clean up window-bounds code in D3D11_CreateWindowSizeDependentResources
+        SDL_DisplayMode displayMode;
+        if (SDL_GetDesktopDisplayMode(0, &displayMode) < 0) {
+            SDL_SetError(__FUNCTION__", Get Window Bounds (XAML): Unable to retrieve the native window's size");
+            return E_FAIL;
+        }
+
+        nativeWindowBounds.Width = (FLOAT) displayMode.w;
+        nativeWindowBounds.Height = (FLOAT) displayMode.h;
+    }
+
+    // TODO, WinRT, XAML: see if window/control sizes are in DIPs, or something else.  If something else, then adjust renderer size tracking accordingly.
+    data->windowSizeInDIPs.x = nativeWindowBounds.Width;
+    data->windowSizeInDIPs.y = nativeWindowBounds.Height;
+
+    // Calculate the necessary swap chain and render target size in pixels.
+    float windowWidth = D3D11_ConvertDipsToPixels(data->windowSizeInDIPs.x);
+    float windowHeight = D3D11_ConvertDipsToPixels(data->windowSizeInDIPs.y);
+
+    // The width and height of the swap chain must be based on the window's
+    // landscape-oriented width and height. If the window is in a portrait
+    // orientation, the dimensions must be reversed.
+    data->orientation = DisplayProperties::CurrentOrientation;
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+    const bool swapDimensions = false;
+#else
+    const bool swapDimensions = D3D11_IsDisplayRotated90Degrees(data->orientation);
+#endif
+    data->renderTargetSize.x = swapDimensions ? windowHeight : windowWidth;
+    data->renderTargetSize.y = swapDimensions ? windowWidth : windowHeight;
+
+    if(data->swapChain != nullptr)
+    {
+        // If the swap chain already exists, resize it.
+        result = data->swapChain->ResizeBuffers(
+            2, // Double-buffered swap chain.
+            static_cast<UINT>(data->renderTargetSize.x),
+            static_cast<UINT>(data->renderTargetSize.y),
+            DXGI_FORMAT_B8G8R8A8_UNORM,
+            0
+            );
+        if (FAILED(result)) {
+            WIN_SetErrorFromHRESULT(__FUNCTION__ ", IDXGISwapChain1::ResizeBuffers", result);
+            return result;
+        }
+    }
+    else
+    {
+        const bool usingXAML = (coreWindow == nullptr);
+
+        // Otherwise, create a new one using the same adapter as the existing Direct3D device.
+        DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {0};
+        swapChainDesc.Width = static_cast<UINT>(data->renderTargetSize.x); // Match the size of the window.
+        swapChainDesc.Height = static_cast<UINT>(data->renderTargetSize.y);
+        swapChainDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM; // This is the most common swap chain format.
+        swapChainDesc.Stereo = false;
+        swapChainDesc.SampleDesc.Count = 1; // Don't use multi-sampling.
+        swapChainDesc.SampleDesc.Quality = 0;
+        swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
+        swapChainDesc.BufferCount = 2; // Use double-buffering to minimize latency.
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+        swapChainDesc.Scaling = DXGI_SCALING_STRETCH; // On phone, only stretch and aspect-ratio stretch scaling are allowed.
+        swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; // On phone, no swap effects are supported.
+#else
+        if (usingXAML) {
+            swapChainDesc.Scaling = DXGI_SCALING_STRETCH;
+        } else {
+            swapChainDesc.Scaling = DXGI_SCALING_NONE;
+        }
+        swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL; // All Windows Store apps must use this SwapEffect.
+#endif
+        swapChainDesc.Flags = 0;
+
+        ComPtr<IDXGIDevice1> dxgiDevice;
+        result = data->d3dDevice.As(&dxgiDevice);
+        if (FAILED(result)) {
+            WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1 to IDXGIDevice1", result);
+            return result;
+        }
+
+        ComPtr<IDXGIAdapter> dxgiAdapter;
+        result = dxgiDevice->GetAdapter(&dxgiAdapter);
+        if (FAILED(result)) {
+            WIN_SetErrorFromHRESULT(__FUNCTION__ ", IDXGIDevice1::GetAdapter", result);
+            return result;
+        }
+
+        ComPtr<IDXGIFactory2> dxgiFactory;
+        result = dxgiAdapter->GetParent(
+            __uuidof(IDXGIFactory2), 
+            &dxgiFactory
+            );
+        if (FAILED(result)) {
+            WIN_SetErrorFromHRESULT(__FUNCTION__ ", IDXGIAdapter::GetParent", result);
+            return result;
+        }
+
+        if (usingXAML) {
+            result = dxgiFactory->CreateSwapChainForComposition(
+                data->d3dDevice.Get(),
+                &swapChainDesc,
+                nullptr,
+                &data->swapChain);
+            if (FAILED(result)) {
+                WIN_SetErrorFromHRESULT(__FUNCTION__ ", IDXGIFactory2::CreateSwapChainForComposition", result);
+                return result;
+            }
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_APP
+            result = WINRT_GlobalSwapChainBackgroundPanelNative->SetSwapChain(data->swapChain.Get());
+            if (FAILED(result)) {
+                WIN_SetErrorFromHRESULT(__FUNCTION__ ", ISwapChainBackgroundPanelNative::SetSwapChain", result);
+                return result;
+            }
+#else
+            SDL_SetError(__FUNCTION__ ", XAML support is not yet available for Windows Phone");
+            return E_FAIL;
+#endif
+        } else {
+            IUnknown * coreWindowAsIUnknown = nullptr;
+            result = coreWindow->QueryInterface(&coreWindowAsIUnknown);
+            if (FAILED(result)) {
+                WIN_SetErrorFromHRESULT(__FUNCTION__ ", ICoreWindow to IUnknown", result);
+                return result;
+            }
+
+            result = dxgiFactory->CreateSwapChainForCoreWindow(
+                data->d3dDevice.Get(),
+                coreWindowAsIUnknown,
+                &swapChainDesc,
+                nullptr, // Allow on all displays.
+                &data->swapChain
+                );
+            if (FAILED(result)) {
+                WIN_SetErrorFromHRESULT(__FUNCTION__ ", IDXGIFactory2::CreateSwapChainForCoreWindow", result);
+                return result;
+            }
+        }
+        
+        // Ensure that DXGI does not queue more than one frame at a time. This both reduces latency and
+        // ensures that the application will only render after each VSync, minimizing power consumption.
+        result = dxgiDevice->SetMaximumFrameLatency(1);
+        if (FAILED(result)) {
+            WIN_SetErrorFromHRESULT(__FUNCTION__ ", IDXGIDevice1::SetMaximumFrameLatency", result);
+            return result;
+        }
+    }
+    
+#if WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP
+    // Set the proper orientation for the swap chain, and generate the
+    // 3D matrix transformation for rendering to the rotated swap chain.
+    //
+    // To note, the call for this, IDXGISwapChain1::SetRotation, is not necessary
+    // on Windows Phone, nor is it supported there.  It's only needed in Windows 8/RT.
+    DXGI_MODE_ROTATION rotation = D3D11_GetRotationForOrientation(data->orientation);
+    result = data->swapChain->SetRotation(rotation);
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", IDXGISwapChain1::SetRotation" , result);
+        return result;
+    }
+#endif
+
+    // Create a render target view of the swap chain back buffer.
+    ComPtr<ID3D11Texture2D> backBuffer;
+    result = data->swapChain->GetBuffer(
+        0,
+        __uuidof(ID3D11Texture2D),
+        &backBuffer
+        );
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", IDXGISwapChain1::GetBuffer [back-buffer]", result);
+        return result;
+    }
+
+    result = data->d3dDevice->CreateRenderTargetView(
+        backBuffer.Get(),
+        nullptr,
+        &data->mainRenderTargetView
+        );
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateRenderTargetView", result);
+        return result;
+    }
+
+    if (D3D11_UpdateViewport(renderer) != 0) {
+        // D3D11_UpdateViewport will set the SDL error if it fails.
+        return E_FAIL;
+    }
+
+    return S_OK;
+}
+
+// This method is called when the window's size changes.
+HRESULT
+D3D11_UpdateForWindowSizeChange(SDL_Renderer * renderer)
+{
+    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
+    HRESULT result = S_OK;
+    ABI::Windows::UI::Core::ICoreWindow * coreWindow = D3D11_GetCoreWindowFromSDLRenderer(renderer);
+    ABI::Windows::Foundation::Rect coreWindowBounds;
+
+    result = coreWindow->get_Bounds(&coreWindowBounds);
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ICoreWindow::get_Bounds [get window bounds]", result);
+        return result;
+    }
+
+    if (coreWindowBounds.Width  != data->windowSizeInDIPs.x ||
+        coreWindowBounds.Height != data->windowSizeInDIPs.y ||
+        data->orientation != DisplayProperties::CurrentOrientation)
+    {
+        ID3D11RenderTargetView* nullViews[] = {nullptr};
+        data->d3dContext->OMSetRenderTargets(ARRAYSIZE(nullViews), nullViews, nullptr);
+        data->mainRenderTargetView = nullptr;
+        data->d3dContext->Flush();
+        result = D3D11_CreateWindowSizeDependentResources(renderer);
+        if (FAILED(result)) {
+            /* D3D11_CreateWindowSizeDependentResources will set the SDL error */
+            return result;
+        }
+    }
+
+    return S_OK;
+}
+
+HRESULT
+D3D11_HandleDeviceLost(SDL_Renderer * renderer)
+{
+    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
+    HRESULT result = S_OK;
+
+    // Reset these member variables to ensure that D3D11_UpdateForWindowSizeChange recreates all resources.
+    data->windowSizeInDIPs.x = 0;
+    data->windowSizeInDIPs.y = 0;
+    data->swapChain = nullptr;
+
+    result = D3D11_CreateDeviceResources(renderer);
+    if (FAILED(result)) {
+        /* D3D11_CreateDeviceResources will set the SDL error */
+        return result;
+    }
+
+    result = D3D11_UpdateForWindowSizeChange(renderer);
+    if (FAILED(result)) {
+        /* D3D11_UpdateForWindowSizeChange will set the SDL error */
+        return result;
+    }
+
+    return S_OK;
+}
+
+static void
+D3D11_WindowEvent(SDL_Renderer * renderer, const SDL_WindowEvent *event)
+{
+    //D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
+
+    if (event->event == SDL_WINDOWEVENT_SIZE_CHANGED) {
+        D3D11_UpdateForWindowSizeChange(renderer);
+    }
+}
+
+static D3D11_FILTER
+GetScaleQuality(void)
+{
+    const char *hint = SDL_GetHint(SDL_HINT_RENDER_SCALE_QUALITY);
+    if (!hint || *hint == '0' || SDL_strcasecmp(hint, "nearest") == 0) {
+        return SDL_D3D11_NEAREST_PIXEL_FILTER;
+    } else /* if (*hint == '1' || SDL_strcasecmp(hint, "linear") == 0) */ {
+        return SDL_D3D11_LINEAR_FILTER;
+    }
+}
+
+static int
+D3D11_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+    D3D11_TextureData *textureData;
+    HRESULT result;
+    DXGI_FORMAT textureFormat = SDLPixelFormatToDXGIFormat(texture->format);
+    if (textureFormat == SDL_PIXELFORMAT_UNKNOWN) {
+        return SDL_SetError("%s, An unsupported SDL pixel format (0x%x) was specified",
+            __FUNCTION__, texture->format);
+    }
+
+    textureData = new D3D11_TextureData;
+    if (!textureData) {
+        SDL_OutOfMemory();
+        return -1;
+    }
+    textureData->pixelFormat = SDL_AllocFormat(texture->format);
+    textureData->lockedTexturePosition = XMINT2(0, 0);
+    textureData->scaleMode = GetScaleQuality();
+
+    texture->driverdata = textureData;
+
+    D3D11_TEXTURE2D_DESC textureDesc = {0};
+    textureDesc.Width = texture->w;
+    textureDesc.Height = texture->h;
+    textureDesc.MipLevels = 1;
+    textureDesc.ArraySize = 1;
+    textureDesc.Format = textureFormat;
+    textureDesc.SampleDesc.Count = 1;
+    textureDesc.SampleDesc.Quality = 0;
+    textureDesc.MiscFlags = 0;
+
+    if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
+        textureDesc.Usage = D3D11_USAGE_DYNAMIC;
+        textureDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+    } else {
+        textureDesc.Usage = D3D11_USAGE_DEFAULT;
+        textureDesc.CPUAccessFlags = 0;
+    }
+
+    if (texture->access == SDL_TEXTUREACCESS_TARGET) {
+        textureDesc.BindFlags = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET;
+    } else {
+        textureDesc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
+    }
+
+#if 0
+    // Fill the texture with a non-black color, for debugging purposes:
+    const int numPixels = textureDesc.Width * textureDesc.Height;
+    const int pixelSizeInBytes = textureData->pixelFormat->BytesPerPixel;
+    std::vector<uint8> initialTexturePixels(numPixels * pixelSizeInBytes, 0x00);
+    for (int i = 0; i < (numPixels * pixelSizeInBytes); i += pixelSizeInBytes) {
+        initialTexturePixels[i+0] = 0xff;
+        initialTexturePixels[i+1] = 0xff;
+        initialTexturePixels[i+2] = 0x00;
+        initialTexturePixels[i+3] = 0xff;
+    }
+    D3D11_SUBRESOURCE_DATA initialTextureData = {0};
+    initialTextureData.pSysMem = (void *)&(initialTexturePixels[0]);
+    initialTextureData.SysMemPitch = textureDesc.Width * pixelSizeInBytes;
+    initialTextureData.SysMemSlicePitch = numPixels * pixelSizeInBytes;
+#endif
+
+    result = rendererData->d3dDevice->CreateTexture2D(
+        &textureDesc,
+        NULL,   // &initialTextureData,
+        &textureData->mainTexture
+        );
+    if (FAILED(result)) {
+        D3D11_DestroyTexture(renderer, texture);
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateTexture2D", result);
+        return -1;
+    }
+
+    if (texture->access & SDL_TEXTUREACCESS_TARGET) {
+        D3D11_RENDER_TARGET_VIEW_DESC renderTargetViewDesc;
+        renderTargetViewDesc.Format = textureDesc.Format;
+        renderTargetViewDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
+        renderTargetViewDesc.Texture2D.MipSlice = 0;
+
+        result = rendererData->d3dDevice->CreateRenderTargetView(
+            textureData->mainTexture.Get(),
+            &renderTargetViewDesc,
+            &textureData->mainTextureRenderTargetView);
+        if (FAILED(result)) {
+            D3D11_DestroyTexture(renderer, texture);
+            WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateRenderTargetView", result);
+            return -1;
+        }
+    }
+
+    D3D11_SHADER_RESOURCE_VIEW_DESC resourceViewDesc;
+    resourceViewDesc.Format = textureDesc.Format;
+    resourceViewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
+    resourceViewDesc.Texture2D.MostDetailedMip = 0;
+    resourceViewDesc.Texture2D.MipLevels = textureDesc.MipLevels;
+    result = rendererData->d3dDevice->CreateShaderResourceView(
+        textureData->mainTexture.Get(),
+        &resourceViewDesc,
+        &textureData->mainTextureResourceView
+        );
+    if (FAILED(result)) {
+        D3D11_DestroyTexture(renderer, texture);
+        WIN_SetErrorFromHRESULT(__FUNCTION__ "ID3D11Device1::CreateShaderResourceView", result);
+        return -1;
+    }
+
+    return 0;
+}
+
+static void
+D3D11_DestroyTexture(SDL_Renderer * renderer,
+                     SDL_Texture * texture)
+{
+    D3D11_TextureData *textureData = (D3D11_TextureData *) texture->driverdata;
+
+    if (textureData) {
+        if (textureData->pixelFormat) {
+            SDL_FreeFormat(textureData->pixelFormat);
+            textureData->pixelFormat = NULL;
+        }
+
+        delete textureData;
+        texture->driverdata = NULL;
+    }
+}
+
+static int
+D3D11_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
+                    const SDL_Rect * rect, const void * srcPixels,
+                    int srcPitch)
+{
+    // Lock the texture, retrieving a buffer to write pixel data to:
+    void * destPixels = NULL;
+    int destPitch = 0;
+    if (D3D11_LockTexture(renderer, texture, rect, &destPixels, &destPitch) != 0) {
+        // An error is already set.  Attach some info to it, then return to
+        // the caller.
+        std::string errorMessage = string(__FUNCTION__ ", Lock Texture Failed: ") + SDL_GetError();
+        return SDL_SetError(errorMessage.c_str());
+    }
+
+    // Copy pixel data to the locked texture's memory:
+    for (int y = 0; y < rect->h; ++y) {
+        memcpy(
+            ((Uint8 *)destPixels) + (destPitch * y),
+            ((Uint8 *)srcPixels) + (srcPitch * y),
+            srcPitch
+            );
+    }
+
+    // Commit the texture's memory back to Direct3D:
+    D3D11_UnlockTexture(renderer, texture);
+
+    // Return to the caller:
+    return 0;
+}
+
+static int
+D3D11_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
+                  const SDL_Rect * rect, void **pixels, int *pitch)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+    D3D11_TextureData *textureData = (D3D11_TextureData *) texture->driverdata;
+    HRESULT result = S_OK;
+
+    if (textureData->stagingTexture) {
+        return SDL_SetError("texture is already locked");
+    }
+    
+    // Create a 'staging' texture, which will be used to write to a portion
+    // of the main texture.  This is necessary, as Direct3D 11.1 does not
+    // have the ability to write a CPU-bound pixel buffer to a rectangular
+    // subrect of a texture.  Direct3D 11.1 can, however, write a pixel
+    // buffer to an entire texture, hence the use of a staging texture.
+    //
+    // TODO, WinRT: consider avoiding the use of a staging texture in D3D11_LockTexture if/when the entire texture is being updated
+    D3D11_TEXTURE2D_DESC stagingTextureDesc;
+    textureData->mainTexture->GetDesc(&stagingTextureDesc);
+    stagingTextureDesc.Width = rect->w;
+    stagingTextureDesc.Height = rect->h;
+    stagingTextureDesc.BindFlags = 0;
+    stagingTextureDesc.MiscFlags = 0;
+    stagingTextureDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+    stagingTextureDesc.Usage = D3D11_USAGE_STAGING;
+    result = rendererData->d3dDevice->CreateTexture2D(
+        &stagingTextureDesc,
+        NULL,
+        &textureData->stagingTexture);
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateTexture2D [create staging texture]", result);
+        return -1;
+    }
+
+    // Get a write-only pointer to data in the staging texture:
+    D3D11_MAPPED_SUBRESOURCE textureMemory = {0};
+    result = rendererData->d3dContext->Map(
+        textureData->stagingTexture.Get(),
+        D3D11CalcSubresource(0, 0, 0),
+        D3D11_MAP_WRITE,
+        0,
+        &textureMemory
+        );
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11DeviceContext1::Map [map staging texture]", result);
+        textureData->stagingTexture = nullptr;
+        return -1;
+    }
+
+    // Make note of where the staging texture will be written to (on a
+    // call to SDL_UnlockTexture):
+    textureData->lockedTexturePosition = XMINT2(rect->x, rect->y);
+
+    // Make sure the caller has information on the texture's pixel buffer,
+    // then return:
+    *pixels = textureMemory.pData;
+    *pitch = textureMemory.RowPitch;
+    return 0;
+}
+
+static void
+D3D11_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+    D3D11_TextureData *textureData = (D3D11_TextureData *) texture->driverdata;
+
+    // Commit the pixel buffer's changes back to the staging texture:
+    rendererData->d3dContext->Unmap(
+        textureData->stagingTexture.Get(),
+        0);
+
+    // Copy the staging texture's contents back to the main texture:
+    rendererData->d3dContext->CopySubresourceRegion(
+        textureData->mainTexture.Get(),
+        D3D11CalcSubresource(0, 0, 0),
+        textureData->lockedTexturePosition.x,
+        textureData->lockedTexturePosition.y,
+        0,
+        textureData->stagingTexture.Get(),
+        D3D11CalcSubresource(0, 0, 0),
+        NULL);
+
+    // Clean up and return:
+    textureData->stagingTexture = nullptr;
+    textureData->lockedTexturePosition = XMINT2(0, 0);
+}
+
+static int
+D3D11_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+
+    if (texture == NULL) {
+        rendererData->currentOffscreenRenderTargetView = nullptr;
+        return 0;
+    }
+
+    D3D11_TextureData *textureData = (D3D11_TextureData *) texture->driverdata;
+
+    if (!textureData->mainTextureRenderTargetView) {
+        return SDL_SetError("specified texture is not a render target");
+    }
+
+    rendererData->currentOffscreenRenderTargetView = textureData->mainTextureRenderTargetView;
+
+    return 0;
+}
+
+static int
+D3D11_UpdateViewport(SDL_Renderer * renderer)
+{
+    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
+
+    if (renderer->viewport.w == 0 || renderer->viewport.h == 0) {
+        // If the viewport is empty, assume that it is because
+        // SDL_CreateRenderer is calling it, and will call it again later
+        // with a non-empty viewport.
+        return 0;
+    }
+
+    // Make sure the SDL viewport gets rotated to that of the physical display's orientation.
+    // Keep in mind here that the Y-axis will be been inverted (from Direct3D's
+    // default coordinate system) so rotations will be done in the opposite
+    // direction of the DXGI_MODE_ROTATION enumeration.
+    DirectX::XMMATRIX projection;
+    switch (D3D11_GetRotationForOrientation(data->orientation))
+    {
+        case DXGI_MODE_ROTATION_IDENTITY:
+            projection = XMMatrixIdentity();
+            break;
+        case DXGI_MODE_ROTATION_ROTATE270:
+            projection = XMMatrixRotationZ(XM_PIDIV2);
+            break;
+        case DXGI_MODE_ROTATION_ROTATE180:
+            projection = XMMatrixRotationZ(XM_PI);
+            break;
+        case DXGI_MODE_ROTATION_ROTATE90:
+            projection = XMMatrixRotationZ(-XM_PIDIV2);
+            break;
+        default:
+            return SDL_SetError("An unknown DisplayOrientation is being used");
+    }
+
+    //
+    // Update the view matrix
+    //
+    float viewportWidth = (float) renderer->viewport.w;
+    float viewportHeight = (float) renderer->viewport.h;
+    DirectX::XMMATRIX view = XMMatrixMultiply(
+        XMMatrixScaling(2.0f / viewportWidth, 2.0f / viewportHeight, 1.0f),
+        XMMatrixMultiply(
+            XMMatrixTranslation(-1, -1, 0),
+            XMMatrixRotationX(XM_PI)
+            ));
+
+    //
+    // Combine the projection + view matrix together now, as both only get
+    // set here (as of this writing, on Dec 26, 2013).  When done, store it
+    // for eventual transfer to the GPU.
+    //
+    XMStoreFloat4x4(&data->vertexShaderConstantsData.projectionAndView,
+        XMMatrixMultiply(
+            view,
+            projection));
+
+    //
+    // Reset the model matrix
+    //
+    XMStoreFloat4x4(&data->vertexShaderConstantsData.model, XMMatrixIdentity());
+
+    //
+    // Update the Direct3D viewport, which seems to be aligned to the
+    // swap buffer's coordinate space, which is always in either
+    // a landscape mode, for all Windows 8/RT devices, or a portrait mode,
+    // for Windows Phone devices.
+    //
+    SDL_FRect orientationAlignedViewport;
+    const bool swapDimensions = D3D11_IsDisplayRotated90Degrees(data->orientation);
+    if (swapDimensions) {
+        orientationAlignedViewport.x = (float) renderer->viewport.y;
+        orientationAlignedViewport.y = (float) renderer->viewport.x;
+        orientationAlignedViewport.w = (float) renderer->viewport.h;
+        orientationAlignedViewport.h = (float) renderer->viewport.w;
+    } else {
+        orientationAlignedViewport.x = (float) renderer->viewport.x;
+        orientationAlignedViewport.y = (float) renderer->viewport.y;
+        orientationAlignedViewport.w = (float) renderer->viewport.w;
+        orientationAlignedViewport.h = (float) renderer->viewport.h;
+    }
+    // TODO, WinRT: get custom viewports working with non-Landscape modes (Portrait, PortraitFlipped, and LandscapeFlipped)
+
+    D3D11_VIEWPORT viewport;
+    memset(&viewport, 0, sizeof(viewport));
+    viewport.TopLeftX = orientationAlignedViewport.x;
+    viewport.TopLeftY = orientationAlignedViewport.y;
+    viewport.Width = orientationAlignedViewport.w;
+    viewport.Height = orientationAlignedViewport.h;
+    viewport.MinDepth = 0.0f;
+    viewport.MaxDepth = 1.0f;
+    data->d3dContext->RSSetViewports(1, &viewport);
+
+#if 0
+    SDL_Log("%s, oav={%.0f,%.0f,%.0f,%.0f}, rend={%.0f,%.0f}\n",
+        __FUNCTION__,
+        orientationAlignedViewport.x,
+        orientationAlignedViewport.y,
+        orientationAlignedViewport.w,
+        orientationAlignedViewport.h,
+        data->renderTargetSize.x,
+        data->renderTargetSize.y);
+#endif
+
+    return 0;
+}
+
+static int
+D3D11_UpdateClipRect(SDL_Renderer * renderer)
+{
+    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
+    const SDL_Rect *rect = &renderer->clip_rect;
+
+    if (SDL_RectEmpty(rect)) {
+        data->d3dContext->RSSetScissorRects(0, 0);
+    } else {
+        D3D11_RECT scissorRect;
+        if (D3D11_GetViewportAlignedD3DRect(renderer, rect, &scissorRect) != 0) {
+            /* D3D11_GetViewportAlignedD3DRect will have set the SDL error */
+            return -1;
+        }
+        data->d3dContext->RSSetScissorRects(1, &scissorRect);
+    }
+
+    return 0;
+}
+
+static ComPtr<ID3D11RenderTargetView> &
+D3D11_GetCurrentRenderTargetView(SDL_Renderer * renderer)
+{
+    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
+    if (data->currentOffscreenRenderTargetView) {
+        return data->currentOffscreenRenderTargetView;
+    } else {
+        return data->mainRenderTargetView;
+    }
+}
+
+static int
+D3D11_RenderClear(SDL_Renderer * renderer)
+{
+    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
+    const float colorRGBA[] = {
+        (renderer->r / 255.0f),
+        (renderer->g / 255.0f),
+        (renderer->b / 255.0f),
+        (renderer->a / 255.0f)
+    };
+    data->d3dContext->ClearRenderTargetView(
+        D3D11_GetCurrentRenderTargetView(renderer).Get(),
+        colorRGBA
+        );
+    return 0;
+}
+
+static int
+D3D11_UpdateVertexBuffer(SDL_Renderer *renderer,
+                         const void * vertexData, size_t dataSizeInBytes)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+    HRESULT result = S_OK;
+    D3D11_BUFFER_DESC vertexBufferDesc;
+
+    if (rendererData->vertexBuffer) {
+        rendererData->vertexBuffer->GetDesc(&vertexBufferDesc);
+    } else {
+        memset(&vertexBufferDesc, 0, sizeof(vertexBufferDesc));
+    }
+
+    if (vertexBufferDesc.ByteWidth >= dataSizeInBytes) {
+        D3D11_MAPPED_SUBRESOURCE mappedResource;
+        ZeroMemory(&mappedResource, sizeof(D3D11_MAPPED_SUBRESOURCE));
+        result = rendererData->d3dContext->Map(rendererData->vertexBuffer.Get(), 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
+        if (FAILED(result)) {
+            WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11DeviceContext1::Map [vertex buffer]", result);
+            return -1;
+        }
+        memcpy(mappedResource.pData, vertexData, dataSizeInBytes);
+        rendererData->d3dContext->Unmap(rendererData->vertexBuffer.Get(), 0);
+    } else {
+        vertexBufferDesc.ByteWidth = dataSizeInBytes;
+        vertexBufferDesc.Usage = D3D11_USAGE_DYNAMIC;
+        vertexBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
+        vertexBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+
+        D3D11_SUBRESOURCE_DATA vertexBufferData = {0};
+        vertexBufferData.pSysMem = vertexData;
+        vertexBufferData.SysMemPitch = 0;
+        vertexBufferData.SysMemSlicePitch = 0;
+
+        result = rendererData->d3dDevice->CreateBuffer(
+            &vertexBufferDesc,
+            &vertexBufferData,
+            &rendererData->vertexBuffer
+            );
+        if (FAILED(result)) {
+            WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateBuffer [vertex buffer]", result);
+            return -1;
+        }
+    }
+
+    UINT stride = sizeof(VertexPositionColor);
+    UINT offset = 0;
+    rendererData->d3dContext->IASetVertexBuffers(
+        0,
+        1,
+        rendererData->vertexBuffer.GetAddressOf(),
+        &stride,
+        &offset
+        );
+
+    return 0;
+}
+
+static void
+D3D11_RenderStartDrawOp(SDL_Renderer * renderer)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+
+    rendererData->d3dContext->OMSetRenderTargets(
+        1,
+        D3D11_GetCurrentRenderTargetView(renderer).GetAddressOf(),
+        nullptr
+        );
+}
+
+static void
+D3D11_RenderSetBlendMode(SDL_Renderer * renderer, SDL_BlendMode blendMode)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+    switch (blendMode) {
+        case SDL_BLENDMODE_BLEND:
+            rendererData->d3dContext->OMSetBlendState(rendererData->blendModeBlend.Get(), 0, 0xFFFFFFFF);
+            break;
+        case SDL_BLENDMODE_ADD:
+            rendererData->d3dContext->OMSetBlendState(rendererData->blendModeAdd.Get(), 0, 0xFFFFFFFF);
+            break;
+        case SDL_BLENDMODE_MOD:
+            rendererData->d3dContext->OMSetBlendState(rendererData->blendModeMod.Get(), 0, 0xFFFFFFFF);
+            break;
+        case SDL_BLENDMODE_NONE:
+            rendererData->d3dContext->OMSetBlendState(NULL, 0, 0xFFFFFFFF);
+            break;
+    }
+}
+
+static void
+D3D11_SetPixelShader(SDL_Renderer * renderer,
+                     ID3D11PixelShader * shader,
+                     ID3D11ShaderResourceView * shaderResource,
+                     ID3D11SamplerState * sampler)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+    rendererData->d3dContext->PSSetShader(shader, nullptr, 0);
+    rendererData->d3dContext->PSSetShaderResources(0, 1, &shaderResource);
+    rendererData->d3dContext->PSSetSamplers(0, 1, &sampler);
+}
+
+static void
+D3D11_RenderFinishDrawOp(SDL_Renderer * renderer,
+                         D3D11_PRIMITIVE_TOPOLOGY primitiveTopology,
+                         UINT vertexCount)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+
+    rendererData->d3dContext->UpdateSubresource(
+        rendererData->vertexShaderConstants.Get(),
+        0,
+        NULL,
+        &rendererData->vertexShaderConstantsData,
+        0,
+        0
+        );
+
+    rendererData->d3dContext->IASetPrimitiveTopology(primitiveTopology);
+    rendererData->d3dContext->IASetInputLayout(rendererData->inputLayout.Get());
+    rendererData->d3dContext->VSSetShader(rendererData->vertexShader.Get(), nullptr, 0);
+    rendererData->d3dContext->VSSetConstantBuffers(0, 1, rendererData->vertexShaderConstants.GetAddressOf());
+    if (SDL_RectEmpty(&(renderer->clip_rect))) {
+        rendererData->d3dContext->RSSetState(rendererData->mainRasterizer.Get());
+    } else {
+        rendererData->d3dContext->RSSetState(rendererData->clippedRasterizer.Get());
+    }
+    rendererData->d3dContext->Draw(vertexCount, 0);
+}
+
+static int
+D3D11_RenderDrawPoints(SDL_Renderer * renderer,
+                       const SDL_FPoint * points, int count)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+    float r, g, b, a;
+
+    r = (float)(renderer->r / 255.0f);
+    g = (float)(renderer->g / 255.0f);
+    b = (float)(renderer->b / 255.0f);
+    a = (float)(renderer->a / 255.0f);
+
+    VertexPositionColor * vertices = SDL_stack_alloc(VertexPositionColor, count);
+    for (int i = 0; i < min(count, 128); ++i) {
+        const VertexPositionColor v = {XMFLOAT3(points[i].x, points[i].y, 0.0f),  XMFLOAT2(0.0f, 0.0f), XMFLOAT4(r, g, b, a)};
+        vertices[i] = v;
+    }
+
+    D3D11_RenderStartDrawOp(renderer);
+    D3D11_RenderSetBlendMode(renderer, renderer->blendMode);
+    if (D3D11_UpdateVertexBuffer(renderer, vertices, (unsigned int)count * sizeof(VertexPositionColor)) != 0) {
+        SDL_stack_free(vertices);
+        return -1;
+    }
+
+    D3D11_SetPixelShader(
+        renderer,
+        rendererData->colorPixelShader.Get(),
+        nullptr,
+        nullptr);
+
+    D3D11_RenderFinishDrawOp(renderer, D3D11_PRIMITIVE_TOPOLOGY_POINTLIST, count);
+    SDL_stack_free(vertices);
+    return 0;
+}
+
+static int
+D3D11_RenderDrawLines(SDL_Renderer * renderer,
+                      const SDL_FPoint * points, int count)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+    float r, g, b, a;
+
+    r = (float)(renderer->r / 255.0f);
+    g = (float)(renderer->g / 255.0f);
+    b = (float)(renderer->b / 255.0f);
+    a = (float)(renderer->a / 255.0f);
+
+    VertexPositionColor * vertices = SDL_stack_alloc(VertexPositionColor, count);
+    for (int i = 0; i < count; ++i) {
+        const VertexPositionColor v = {XMFLOAT3(points[i].x, points[i].y, 0.0f),  XMFLOAT2(0.0f, 0.0f), XMFLOAT4(r, g, b, a)};
+        vertices[i] = v;
+    }
+
+    D3D11_RenderStartDrawOp(renderer);
+    D3D11_RenderSetBlendMode(renderer, renderer->blendMode);
+    if (D3D11_UpdateVertexBuffer(renderer, vertices, (unsigned int)count * sizeof(VertexPositionColor)) != 0) {
+        SDL_stack_free(vertices);
+        return -1;
+    }
+
+    D3D11_SetPixelShader(
+        renderer,
+        rendererData->colorPixelShader.Get(),
+        nullptr,
+        nullptr);
+
+    D3D11_RenderFinishDrawOp(renderer, D3D11_PRIMITIVE_TOPOLOGY_LINESTRIP, count);
+    SDL_stack_free(vertices);
+    return 0;
+}
+
+static int
+D3D11_RenderFillRects(SDL_Renderer * renderer,
+                      const SDL_FRect * rects, int count)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+    float r, g, b, a;
+
+    r = (float)(renderer->r / 255.0f);
+    g = (float)(renderer->g / 255.0f);
+    b = (float)(renderer->b / 255.0f);
+    a = (float)(renderer->a / 255.0f);
+
+#if 0
+    // Set up a test pattern:
+    SDL_FRect _rects[] = {
+        {-1.1f, 1.1f, 1.1f, -1.1f},
+        {-1.0f, 1.0f, 1.0f, -1.0f},     // red
+        {0.0f, 1.0f, 1.0f, -1.0f},      // green
+        {-1.0f, 0.0f, 1.0f, -1.0f},     // blue
+        {0.0f, 0.0f, 1.0f, -1.0f}       // white
+    };
+    count = sizeof(_rects) / sizeof(SDL_FRect);
+#define rects _rects
+#endif
+
+    for (int i = 0; i < count; ++i) {
+        D3D11_RenderStartDrawOp(renderer);
+        D3D11_RenderSetBlendMode(renderer, renderer->blendMode);
+
+#if 0
+        // Set colors for the test pattern:
+        a = 1.0f;
+        switch (i) {
+            case 0: r = 1.0f; g = 1.0f; b = 0.0f; break;
+            case 1: r = 1.0f; g = 0.0f; b = 0.0f; break;
+            case 2: r = 0.0f; g = 1.0f; b = 0.0f; break;
+            case 3: r = 0.0f; g = 0.0f; b = 1.0f; break;
+            case 4: r = 1.0f; g = 1.0f; b = 1.0f; break;
+        }
+#endif
+
+        VertexPositionColor vertices[] = {
+            {XMFLOAT3(rects[i].x, rects[i].y, 0.0f),                           XMFLOAT2(0.0f, 0.0f), XMFLOAT4(r, g, b, a)},
+            {XMFLOAT3(rects[i].x, rects[i].y + rects[i].h, 0.0f),              XMFLOAT2(0.0f, 0.0f), XMFLOAT4(r, g, b, a)},
+            {XMFLOAT3(rects[i].x + rects[i].w, rects[i].y, 0.0f),              XMFLOAT2(0.0f, 0.0f), XMFLOAT4(r, g, b, a)},
+            {XMFLOAT3(rects[i].x + rects[i].w, rects[i].y + rects[i].h, 0.0f), XMFLOAT2(0.0f, 0.0f), XMFLOAT4(r, g, b, a)},
+        };
+        if (D3D11_UpdateVertexBuffer(renderer, vertices, sizeof(vertices)) != 0) {
+            return -1;
+        }
+
+        D3D11_SetPixelShader(
+            renderer,
+            rendererData->colorPixelShader.Get(),
+            nullptr,
+            nullptr);
+
+        D3D11_RenderFinishDrawOp(renderer, D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP, sizeof(vertices) / sizeof(VertexPositionColor));
+    }
+
+    return 0;
+}
+
+static ID3D11SamplerState *
+D3D11_RenderGetSampler(SDL_Renderer * renderer, SDL_Texture * texture)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+    D3D11_TextureData *textureData = (D3D11_TextureData *) texture->driverdata;
+
+    switch (textureData->scaleMode) {
+        case SDL_D3D11_NEAREST_PIXEL_FILTER:
+            return rendererData->nearestPixelSampler.Get();
+        case SDL_D3D11_LINEAR_FILTER:
+            return rendererData->linearSampler.Get();
+        default:
+            return NULL;
+    }
+}
+
+static int
+D3D11_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
+                 const SDL_Rect * srcrect, const SDL_FRect * dstrect)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+    D3D11_TextureData *textureData = (D3D11_TextureData *) texture->driverdata;
+
+    D3D11_RenderStartDrawOp(renderer);
+    D3D11_RenderSetBlendMode(renderer, texture->blendMode);
+
+    float minu = (float) srcrect->x / texture->w;
+    float maxu = (float) (srcrect->x + srcrect->w) / texture->w;
+    float minv = (float) srcrect->y / texture->h;
+    float maxv = (float) (srcrect->y + srcrect->h) / texture->h;
+
+    float r = 1.0f;
+    float g = 1.0f;
+    float b = 1.0f;
+    float a = 1.0f;
+    if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) {
+        r = (float)(texture->r / 255.0f);
+        g = (float)(texture->g / 255.0f);
+        b = (float)(texture->b / 255.0f);
+    }
+    if (texture->modMode & SDL_TEXTUREMODULATE_ALPHA) {
+        a = (float)(texture->a / 255.0f);
+    }
+
+    VertexPositionColor vertices[] = {
+        {XMFLOAT3(dstrect->x, dstrect->y, 0.0f),                           XMFLOAT2(minu, minv), XMFLOAT4(r, g, b, a)},
+        {XMFLOAT3(dstrect->x, dstrect->y + dstrect->h, 0.0f),              XMFLOAT2(minu, maxv), XMFLOAT4(r, g, b, a)},
+        {XMFLOAT3(dstrect->x + dstrect->w, dstrect->y, 0.0f),              XMFLOAT2(maxu, minv), XMFLOAT4(r, g, b, a)},
+        {XMFLOAT3(dstrect->x + dstrect->w, dstrect->y + dstrect->h, 0.0f), XMFLOAT2(maxu, maxv), XMFLOAT4(r, g, b, a)},
+    };
+    if (D3D11_UpdateVertexBuffer(renderer, vertices, sizeof(vertices)) != 0) {
+        return -1;
+    }
+
+    ID3D11SamplerState *textureSampler = D3D11_RenderGetSampler(renderer, texture);
+    D3D11_SetPixelShader(
+        renderer,
+        rendererData->texturePixelShader.Get(),
+        textureData->mainTextureResourceView.Get(),
+        textureSampler);
+
+    D3D11_RenderFinishDrawOp(renderer, D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP, sizeof(vertices) / sizeof(VertexPositionColor));
+
+    return 0;
+}
+
+static int
+D3D11_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
+                   const SDL_Rect * srcrect, const SDL_FRect * dstrect,
+                   const double angle, const SDL_FPoint * center, const SDL_RendererFlip flip)
+{
+    D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
+    D3D11_TextureData *textureData = (D3D11_TextureData *) texture->driverdata;
+
+    D3D11_RenderStartDrawOp(renderer);
+    D3D11_RenderSetBlendMode(renderer, texture->blendMode);
+
+    float minu = (float) srcrect->x / texture->w;
+    float maxu = (float) (srcrect->x + srcrect->w) / texture->w;
+    float minv = (float) srcrect->y / texture->h;
+    float maxv = (float) (srcrect->y + srcrect->h) / texture->h;
+
+    float r = 1.0f;
+    float g = 1.0f;
+    float b = 1.0f;
+    float a = 1.0f;
+    if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) {
+        r = (float)(texture->r / 255.0f);
+        g = (float)(texture->g / 255.0f);
+        b = (float)(texture->b / 255.0f);
+    }
+    if (texture->modMode & SDL_TEXTUREMODULATE_ALPHA) {
+        a = (float)(texture->a / 255.0f);
+    }
+
+    if (flip & SDL_FLIP_HORIZONTAL) {
+        float tmp = maxu;
+        maxu = minu;
+        minu = tmp;
+    }
+    if (flip & SDL_FLIP_VERTICAL) {
+        float tmp = maxv;
+        maxv = minv;
+        minv = tmp;
+    }
+
+    XMFLOAT4X4 oldModelMatrix = rendererData->vertexShaderConstantsData.model;
+    XMStoreFloat4x4(
+        &rendererData->vertexShaderConstantsData.model,
+        XMMatrixMultiply(
+            XMMatrixRotationZ((float)(XM_PI * (float) angle / 180.0f)),
+            XMMatrixTranslation(dstrect->x + center->x, dstrect->y + center->y, 0)
+            ));
+
+    const float minx = -center->x;
+    const float maxx = dstrect->w - center->x;
+    const float miny = -center->y;
+    const float maxy = dstrect->h - center->y;
+
+    VertexPositionColor vertices[] = {
+        {XMFLOAT3(minx, miny, 0.0f), XMFLOAT2(minu, minv), XMFLOAT4(r, g, b, a)},
+        {XMFLOAT3(minx, maxy, 0.0f), XMFLOAT2(minu, maxv), XMFLOAT4(r, g, b, a)},
+        {XMFLOAT3(maxx, miny, 0.0f), XMFLOAT2(maxu, minv), XMFLOAT4(r, g, b, a)},
+        {XMFLOAT3(maxx, maxy, 0.0f), XMFLOAT2(maxu, maxv), XMFLOAT4(r, g, b, a)},
+    };
+    if (D3D11_UpdateVertexBuffer(renderer, vertices, sizeof(vertices)) != 0) {
+        return -1;
+    }
+
+    ID3D11SamplerState *textureSampler = D3D11_RenderGetSampler(renderer, texture);
+    D3D11_SetPixelShader(
+        renderer,
+        rendererData->texturePixelShader.Get(),
+        textureData->mainTextureResourceView.Get(),
+        textureSampler);
+
+    D3D11_RenderFinishDrawOp(renderer, D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP, sizeof(vertices) / sizeof(VertexPositionColor));
+
+    rendererData->vertexShaderConstantsData.model = oldModelMatrix;
+
+    return 0;
+}
+
+static int
+D3D11_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
+                       Uint32 format, void * pixels, int pitch)
+{
+    D3D11_RenderData * data = (D3D11_RenderData *) renderer->driverdata;
+    HRESULT result = S_OK;
+
+    // Retrieve a pointer to the back buffer:
+    ComPtr<ID3D11Texture2D> backBuffer;
+    result = data->swapChain->GetBuffer(
+        0,
+        __uuidof(ID3D11Texture2D),
+        &backBuffer
+        );
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", IDXGISwapChain1::GetBuffer [get back buffer]", result);
+        return -1;
+    }
+
+    // Create a staging texture to copy the screen's data to:
+    ComPtr<ID3D11Texture2D> stagingTexture;
+    D3D11_TEXTURE2D_DESC stagingTextureDesc;
+    backBuffer->GetDesc(&stagingTextureDesc);
+    stagingTextureDesc.Width = rect->w;
+    stagingTextureDesc.Height = rect->h;
+    stagingTextureDesc.BindFlags = 0;
+    stagingTextureDesc.MiscFlags = 0;
+    stagingTextureDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
+    stagingTextureDesc.Usage = D3D11_USAGE_STAGING;
+    result = data->d3dDevice->CreateTexture2D(
+        &stagingTextureDesc,
+        NULL,
+        &stagingTexture);
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11Device1::CreateTexture2D [create staging texture]", result);
+        return -1;
+    }
+
+    // Copy the desired portion of the back buffer to the staging texture:
+    D3D11_RECT srcRect;
+    if (D3D11_GetViewportAlignedD3DRect(renderer, rect, &srcRect) != 0) {
+        /* D3D11_GetViewportAlignedD3DRect will have set the SDL error */
+        return -1;
+    }
+
+    D3D11_BOX srcBox;
+    srcBox.left = srcRect.left;
+    srcBox.right = srcRect.right;
+    srcBox.top = srcRect.top;
+    srcBox.bottom = srcRect.bottom;
+    srcBox.front = 0;
+    srcBox.back = 1;
+    data->d3dContext->CopySubresourceRegion(
+        stagingTexture.Get(),
+        D3D11CalcSubresource(0, 0, 0),
+        0, 0, 0,
+        backBuffer.Get(),
+        D3D11CalcSubresource(0, 0, 0),
+        &srcBox);
+
+    // Map the staging texture's data to CPU-accessible memory:
+    D3D11_MAPPED_SUBRESOURCE textureMemory = {0};
+    result = data->d3dContext->Map(
+        stagingTexture.Get(),
+        D3D11CalcSubresource(0, 0, 0),
+        D3D11_MAP_READ,
+        0,
+        &textureMemory);
+    if (FAILED(result)) {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11DeviceContext1::Map [map staging texture]", result);
+        return -1;
+    }
+
+    // Copy the data into the desired buffer, converting pixels to the
+    // desired format at the same time:
+    if (SDL_ConvertPixels(
+        rect->w, rect->h,
+        DXGIFormatToSDLPixelFormat(stagingTextureDesc.Format),
+        textureMemory.pData,
+        textureMemory.RowPitch,
+        format,
+        pixels,
+        pitch) != 0)
+    {
+        // When SDL_ConvertPixels fails, it'll have already set the format.
+        // Get the error message, and attach some extra data to it.
+        std::string errorMessage = string(__FUNCTION__ ", Convert Pixels failed: ") + SDL_GetError();
+        return SDL_SetError(errorMessage.c_str());
+    }
+
+    // Unmap the texture:
+    data->d3dContext->Unmap(
+        stagingTexture.Get(),
+        D3D11CalcSubresource(0, 0, 0));
+
+    // All done.  The staging texture will be cleaned up in it's container
+    // ComPtr<>'s destructor.
+    return 0;
+}
+
+static void
+D3D11_RenderPresent(SDL_Renderer * renderer)
+{
+    D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
+
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+    // The first argument instructs DXGI to block until VSync, putting the application
+    // to sleep until the next VSync. This ensures we don't waste any cycles rendering
+    // frames that will never be displayed to the screen.
+    HRESULT hr = data->swapChain->Present(1, 0);
+#else
+    // The application may optionally specify "dirty" or "scroll"
+    // rects to improve efficiency in certain scenarios.
+    // This option is not available on Windows Phone 8, to note.
+    DXGI_PRESENT_PARAMETERS parameters = {0};
+    parameters.DirtyRectsCount = 0;
+    parameters.pDirtyRects = nullptr;
+    parameters.pScrollRect = nullptr;
+    parameters.pScrollOffset = nullptr;
+    
+    // The first argument instructs DXGI to block until VSync, putting the application
+    // to sleep until the next VSync. This ensures we don't waste any cycles rendering
+    // frames that will never be displayed to the screen.
+    HRESULT hr = data->swapChain->Present1(1, 0, &parameters);
+#endif
+
+    // Discard the contents of the render target.
+    // This is a valid operation only when the existing contents will be entirely
+    // overwritten. If dirty or scroll rects are used, this call should be removed.
+    data->d3dContext->DiscardView(data->mainRenderTargetView.Get());
+
+    // If the device was removed either by a disconnect or a driver upgrade, we 
+    // must recreate all device resources.
+    //
+    // TODO, WinRT: consider throwing an exception if D3D11_RenderPresent fails, especially if there is a way to salvedge debug info from users' machines
+    if (hr == DXGI_ERROR_DEVICE_REMOVED)
+    {
+        hr = D3D11_HandleDeviceLost(renderer);
+        if (FAILED(hr)) {
+            /* D3D11_HandleDeviceLost will set the SDL error */
+        }
+    }
+    else
+    {
+        WIN_SetErrorFromHRESULT(__FUNCTION__ ", ID3D11DeviceContext1::DiscardView", hr);
+    }
+}
+
+#endif /* SDL_VIDEO_RENDER_D3D11 && !SDL_RENDER_DISABLED */
+
+/* vi: set ts=4 sw=4 expandtab: */
--- a/src/render/opengles2/SDL_render_gles2.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/render/opengles2/SDL_render_gles2.c	Sun Mar 09 11:36:47 2014 -0700
@@ -1805,6 +1805,14 @@
         return NULL;
     }
 
+#if __WINRT__
+    /* DLudwig, 2013-11-29: ANGLE for WinRT doesn't seem to work unless VSync
+     * is turned on.  Not doing so will freeze the screen's contents to that
+     * of the first drawn frame.
+     */
+    flags |= SDL_RENDERER_PRESENTVSYNC;
+#endif
+
     if (flags & SDL_RENDERER_PRESENTVSYNC) {
         SDL_GL_SetSwapInterval(1);
     } else {
--- a/src/stdlib/SDL_stdlib.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/stdlib/SDL_stdlib.c	Sun Mar 09 11:36:47 2014 -0700
@@ -102,6 +102,8 @@
 {
 #if defined(HAVE_COPYSIGN)
     return copysign(x, y);
+#elif defined(HAVE__COPYSIGN)
+    return _copysign(x, y);
 #else
     return SDL_uclibc_copysign(x, y);
 #endif /* HAVE_COPYSIGN */
@@ -172,6 +174,8 @@
 {
 #if defined(HAVE_SCALBN)
     return scalbn(x, n);
+#elif defined(HAVE__SCALB)
+    return _scalb(x, n);
 #else
     return SDL_uclibc_scalbn(x, n);
 #endif /* HAVE_SCALBN */
--- a/src/thread/SDL_thread_c.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/thread/SDL_thread_c.h	Sun Mar 09 11:36:47 2014 -0700
@@ -34,6 +34,8 @@
 #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"
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/thread/stdcpp/SDL_syscond.cpp	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,164 @@
+/*
+  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 <ratio>
+#include <system_error>
+
+#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::system_error & ex) {
+        SDL_SetError("unable to create a C++ condition variable: code=%d; %s", ex.code(), ex.what());
+        return NULL;
+    } catch (std::bad_alloc &) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+}
+
+/* Destroy a condition variable */
+extern "C"
+void
+SDL_DestroyCond(SDL_cond * cond)
+{
+    if (cond) {
+        delete cond;
+    }
+}
+
+/* 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;
+    }
+
+    cond->cpp_cond.notify_one();
+    return 0;
+}
+
+/* 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;
+    }
+
+    cond->cpp_cond.notify_all();
+    return 0;
+}
+
+/* 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::system_error & ex) {
+        SDL_SetError("unable to wait on a C++ condition variable: code=%d; %s", ex.code(), ex.what());
+        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: */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/thread/stdcpp/SDL_sysmutex.cpp	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,96 @@
+/*
+  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 <system_error>
+
+#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::system_error & ex) {
+        SDL_SetError("unable to create a C++ mutex: code=%d; %s", ex.code(), ex.what());
+        return NULL;
+    } catch (std::bad_alloc &) {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+}
+
+/* Free the mutex */
+extern "C"
+void
+SDL_DestroyMutex(SDL_mutex * mutex)
+{
+    if (mutex) {
+        delete mutex;
+    }
+}
+
+/* Lock the semaphore */
+extern "C"
+int
+SDL_mutexP(SDL_mutex * mutex)
+{
+    if (mutex == NULL) {
+        SDL_SetError("Passed a NULL mutex");
+        return -1;
+    }
+
+    try {
+        mutex->cpp_mutex.lock();
+        return 0;
+    } catch (std::system_error & ex) {
+        SDL_SetError("unable to lock a C++ mutex: code=%d; %s", ex.code(), ex.what());
+        return -1;
+    }
+}
+
+/* Unlock the mutex */
+extern "C"
+int
+SDL_mutexV(SDL_mutex * mutex)
+{
+    if (mutex == NULL) {
+        SDL_SetError("Passed a NULL mutex");
+        return -1;
+    }
+
+    mutex->cpp_mutex.unlock();
+    return 0;
+}
+
+/* vi: set ts=4 sw=4 expandtab: */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/thread/stdcpp/SDL_sysmutex_c.h	Sun Mar 09 11:36:47 2014 -0700
@@ -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: */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/thread/stdcpp/SDL_systhread.cpp	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,167 @@
+/*
+  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_thread_c.h"
+#include "../SDL_systhread.h"
+#include "SDL_log.h"
+}
+
+#include <mutex>
+#include <thread>
+#include <system_error>
+
+#ifdef __WINRT__
+#include <Windows.h>
+#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::system_error & ex) {
+        SDL_SetError("unable to start a C++ thread: code=%d; %s", ex.code(), ex.what());
+        return -1;
+    } catch (std::bad_alloc &) {
+        SDL_OutOfMemory();
+        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)
+{
+#ifdef __WINRT__
+    return GetCurrentThreadId();
+#else
+    // HACK: Mimick a thread ID, if one isn't otherwise available.
+    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;
+#endif
+}
+
+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.
+    //
+    // WinRT: UPDATE (Aug 20, 2013): thread priorities cannot be changed
+    // on WinRT, at least not for any thread that's already been created.
+    // WinRT threads appear to be based off of the WinRT class,
+    // ThreadPool, more info on which can be found at:
+    // http://msdn.microsoft.com/en-us/library/windows/apps/windows.system.threading.threadpool.aspx
+    //
+    // For compatibility sake, 0 will be returned here.
+    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 (std::system_error &) {
+        // An error occurred when joining the thread.  SDL_WaitThread does not,
+        // however, seem to provide a means to report errors to its callers
+        // though!
+    }
+}
+
+extern "C"
+void
+SDL_SYS_DetachThread(SDL_Thread * thread)
+{
+    if ( ! thread) {
+        return;
+    }
+
+    try {
+        std::thread * cpp_thread = (std::thread *) thread->handle;
+        if (cpp_thread->joinable()) {
+            cpp_thread->detach();
+        }
+    } catch (std::system_error &) {
+        // An error occurred when detaching the thread.  SDL_DetachThread does not,
+        // however, seem to provide a means to report errors to its callers
+        // though!
+    }
+}
+
+extern "C"
+SDL_TLSData *
+SDL_SYS_GetTLSData()
+{
+    return SDL_Generic_GetTLSData();
+}
+
+extern "C"
+int
+SDL_SYS_SetTLSData(SDL_TLSData *data)
+{
+    return SDL_Generic_SetTLSData(data);
+}
+
+/* vi: set ts=4 sw=4 expandtab: */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/thread/stdcpp/SDL_systhread_c.h	Sun Mar 09 11:36:47 2014 -0700
@@ -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: */
--- a/src/timer/windows/SDL_systimer.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/timer/windows/SDL_systimer.c	Sun Mar 09 11:36:47 2014 -0700
@@ -41,6 +41,7 @@
 /* The number of ticks per second of the high-resolution performance counter */
 static LARGE_INTEGER hires_ticks_per_second;
 
+#ifndef __WINRT__
 static void
 timeSetPeriod(UINT uPeriod)
 {
@@ -74,6 +75,7 @@
         timeSetPeriod(uPeriod);
     }
 }
+#endif /* ifndef __WINRT__ */
 
 #endif /* !USE_GETTICKCOUNT */
 
@@ -97,13 +99,17 @@
         QueryPerformanceCounter(&hires_start_ticks);
     } else {
         hires_timer_available = FALSE;
+#ifdef __WINRT__
+        start = 0;            /* the timer failed to start! */
+#else
         timeSetPeriod(1);     /* use 1 ms timer precision */
         start = timeGetTime();
 
         SDL_AddHintCallback(SDL_HINT_TIMER_RESOLUTION,
                             SDL_TimerResolutionChanged, NULL);
+#endif /* __WINRT__ */
     }
-#endif
+#endif /* USE_GETTICKCOUNT */
 }
 
 void
@@ -111,12 +117,14 @@
 {
 #ifndef USE_GETTICKCOUNT
     if (!hires_timer_available) {
+#ifndef __WINRT__
         SDL_DelHintCallback(SDL_HINT_TIMER_RESOLUTION,
                             SDL_TimerResolutionChanged, NULL);
 
         timeSetPeriod(0);
+#endif /* __WINRT__ */
     }
-#endif
+#endif /* USE_GETTICKCOUNT */
 
     ticks_started = SDL_FALSE;
 }
@@ -145,7 +153,11 @@
 
         return (DWORD) hires_now.QuadPart;
     } else {
+#ifdef __WINRT__
+        now = 0;
+#else
         now = timeGetTime();
+#endif /* __WINRT__ */
     }
 #endif
 
@@ -174,6 +186,19 @@
     return frequency.QuadPart;
 }
 
+#ifdef __WINRT__
+static void
+Sleep(DWORD timeout)
+{
+    static HANDLE mutex = 0;
+    if ( ! mutex )
+    {
+        mutex = CreateEventEx(0, 0, 0, EVENT_ALL_ACCESS);
+    }
+    WaitForSingleObjectEx(mutex, timeout, FALSE);
+}
+#endif
+
 void
 SDL_Delay(Uint32 ms)
 {
--- a/src/video/SDL_egl.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/video/SDL_egl.c	Sun Mar 09 11:36:47 2014 -0700
@@ -41,7 +41,7 @@
 #define DEFAULT_OGL_ES_PVR "libGLES_CM.so"
 #define DEFAULT_OGL_ES "libGLESv1_CM.so"
 
-#elif SDL_VIDEO_DRIVER_WINDOWS
+#elif SDL_VIDEO_DRIVER_WINDOWS || SDL_VIDEO_DRIVER_WINRT
 /* EGL AND OpenGL ES support via ANGLE */
 #define DEFAULT_EGL "libEGL.dll"
 #define DEFAULT_OGL_ES2 "libGLESv2.dll"
@@ -119,7 +119,7 @@
 {
     void *dll_handle = NULL, *egl_dll_handle = NULL; /* The naming is counter intuitive, but hey, I just work here -- Gabriel */
     char *path = NULL;
-#if SDL_VIDEO_DRIVER_WINDOWS
+#if SDL_VIDEO_DRIVER_WINDOWS || SDL_VIDEO_DRIVER_WINRT
     const char *d3dcompiler;
 #endif
 
@@ -132,7 +132,7 @@
         return SDL_OutOfMemory();
     }
 
-#if SDL_VIDEO_DRIVER_WINDOWS
+#if SDL_VIDEO_DRIVER_WINDOWS || SDL_VIDEO_DRIVER_WINRT
     d3dcompiler = SDL_GetHint(SDL_HINT_VIDEO_WIN_D3DCOMPILER);
     if (!d3dcompiler) {
         /* By default we load the Vista+ compatible compiler */
--- a/src/video/SDL_sysvideo.h	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/video/SDL_sysvideo.h	Sun Mar 09 11:36:47 2014 -0700
@@ -354,6 +354,9 @@
 #if SDL_VIDEO_DRIVER_WINDOWS
 extern VideoBootStrap WINDOWS_bootstrap;
 #endif
+#if SDL_VIDEO_DRIVER_WINRT
+extern VideoBootStrap WINRT_bootstrap;
+#endif
 #if SDL_VIDEO_DRIVER_HAIKU
 extern VideoBootStrap HAIKU_bootstrap;
 #endif
--- a/src/video/SDL_video.c	Sun Mar 09 10:38:30 2014 -0700
+++ b/src/video/SDL_video.c	Sun Mar 09 11:36:47 2014 -0700
@@ -68,6 +68,9 @@
 #if SDL_VIDEO_DRIVER_WINDOWS
     &WINDOWS_bootstrap,
 #endif
+#if SDL_VIDEO_DRIVER_WINRT
+    &WINRT_bootstrap,
+#endif
 #if SDL_VIDEO_DRIVER_HAIKU
     &HAIKU_bootstrap,
 #endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/winrt/SDL_winrtevents.cpp	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,153 @@
+/*
+  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
+
+/*
+ * Windows includes:
+ */
+#include <Windows.h>
+using namespace Windows::UI::Core;
+using Windows::UI::Core::CoreCursor;
+
+/*
+ * SDL includes:
+ */
+#include "SDL_winrtevents_c.h"
+#include "../../core/winrt/SDL_winrtapp_common.h"
+#include "../../core/winrt/SDL_winrtapp_direct3d.h"
+#include "../../core/winrt/SDL_winrtapp_xaml.h"
+#include "SDL_assert.h"
+#include "SDL_system.h"
+
+extern "C" {
+#include "../SDL_sysvideo.h"
+#include "../../events/SDL_events_c.h"
+}
+
+
+/* Forward declarations */
+static void WINRT_YieldXAMLThread();
+
+
+/* Global event management */
+
+void
+WINRT_PumpEvents(_THIS)
+{
+    if (SDL_WinRTGlobalApp) {
+        SDL_WinRTGlobalApp->PumpEvents();
+    } else if (WINRT_XAMLWasEnabled) {
+        WINRT_YieldXAMLThread();
+    }
+}
+
+
+/* XAML Thread management */
+
+enum SDL_XAMLAppThreadState
+{
+    ThreadState_NotLaunched = 0,
+    ThreadState_Running,
+    ThreadState_Yielding
+};
+
+static SDL_XAMLAppThreadState _threadState = ThreadState_NotLaunched;
+static SDL_Thread * _XAMLThread = nullptr;
+static SDL_mutex * _mutex = nullptr;
+static SDL_cond * _cond = nullptr;
+
+static void
+WINRT_YieldXAMLThread()
+{
+    SDL_LockMutex(_mutex);
+    SDL_assert(_threadState == ThreadState_Running);
+    _threadState = ThreadState_Yielding;
+    SDL_UnlockMutex(_mutex);
+
+    SDL_CondSignal(_cond);
+
+    SDL_LockMutex(_mutex);
+    while (_threadState != ThreadState_Running) {
+        SDL_CondWait(_cond, _mutex);
+    }
+    SDL_UnlockMutex(_mutex);
+}
+
+static int
+WINRT_XAMLThreadMain(void * userdata)
+{
+    // TODO, WinRT: pass the C-style main() a reasonably realistic
+    // representation of command line arguments.
+    int argc = 0;
+    char **argv = NULL;
+    return WINRT_SDLAppEntryPoint(argc, argv);
+}
+
+void
+WINRT_CycleXAMLThread()
+{
+    switch (_threadState) {
+        case ThreadState_NotLaunched:
+        {
+            _cond = SDL_CreateCond();
+
+            _mutex = SDL_CreateMutex();
+            _threadState = ThreadState_Running;
+            _XAMLThread = SDL_CreateThread(WINRT_XAMLThreadMain, "SDL/XAML App Thread", nullptr);
+
+            SDL_LockMutex(_mutex);
+            while (_threadState != ThreadState_Yielding) {
+                SDL_CondWait(_cond, _mutex);
+            }
+            SDL_UnlockMutex(_mutex);
+
+            break;
+        }
+
+        case ThreadState_Running:
+        {
+            SDL_assert(false);
+            break;
+        }
+
+        case ThreadState_Yielding:
+        {
+            SDL_LockMutex(_mutex);
+            SDL_assert(_threadState == ThreadState_Yielding);
+            _threadState = ThreadState_Running;
+            SDL_UnlockMutex(_mutex);
+
+            SDL_CondSignal(_cond);
+
+            SDL_LockMutex(_mutex);
+            while (_threadState != ThreadState_Yielding) {
+                SDL_CondWait(_cond, _mutex);
+            }
+            SDL_UnlockMutex(_mutex);
+        }
+    }
+}
+
+#endif /* SDL_VIDEO_DRIVER_WINRT */
+
+/* vi: set ts=4 sw=4 expandtab: */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/winrt/SDL_winrtevents_c.h	Sun Mar 09 11:36:47 2014 -0700
@@ -0,0 +1,72 @@
+/*
+  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:
+