kc3-lang/SDL

diff --git a/VisualC-WinPhone/SDL/SDL-WinPhone_VS2012.vcxproj b/VisualC-WinPhone/SDL/SDL-WinPhone_VS2012.vcxproj
index 4eaeca3..12c724d 100644
--- a/VisualC-WinPhone/SDL/SDL-WinPhone_VS2012.vcxproj
+++ b/VisualC-WinPhone/SDL/SDL-WinPhone_VS2012.vcxproj
@@ -62,7 +62,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
-      <PreprocessorDefinitions>_USRDLL;UNICODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_USRDLL;UNICODE;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
       <CompileAsWinRT>false</CompileAsWinRT>
@@ -75,12 +75,12 @@
       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
       <GenerateWindowsMetadata>false</GenerateWindowsMetadata>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>d3d11.lib;xaudio2.lib;WindowsPhoneCore.lib;RuntimeObject.lib;PhoneAppModelHost.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>DXGI.lib;d3d11.lib;xaudio2.lib;WindowsPhoneCore.lib;RuntimeObject.lib;PhoneAppModelHost.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
-      <PreprocessorDefinitions>_USRDLL;UNICODE;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_USRDLL;UNICODE;SDL_BUILDING_WINRT=1;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
       <CompileAsWinRT>false</CompileAsWinRT>
@@ -92,12 +92,12 @@
       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
       <GenerateWindowsMetadata>false</GenerateWindowsMetadata>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>d3d11.lib;xaudio2.lib;WindowsPhoneCore.lib;RuntimeObject.lib;PhoneAppModelHost.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>DXGI.lib;d3d11.lib;xaudio2.lib;WindowsPhoneCore.lib;RuntimeObject.lib;PhoneAppModelHost.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">
     <ClCompile>
-      <PreprocessorDefinitions>_USRDLL;UNICODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_USRDLL;UNICODE;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
       <CompileAsWinRT>false</CompileAsWinRT>
@@ -110,12 +110,12 @@
       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
       <GenerateWindowsMetadata>false</GenerateWindowsMetadata>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>d3d11.lib;xaudio2.lib;WindowsPhoneCore.lib;RuntimeObject.lib;PhoneAppModelHost.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>DXGI.lib;d3d11.lib;xaudio2.lib;WindowsPhoneCore.lib;RuntimeObject.lib;PhoneAppModelHost.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">
     <ClCompile>
-      <PreprocessorDefinitions>_USRDLL;UNICODE;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_USRDLL;UNICODE;SDL_BUILDING_WINRT=1;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
       <CompileAsWinRT>false</CompileAsWinRT>
@@ -127,7 +127,7 @@
       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
       <GenerateWindowsMetadata>false</GenerateWindowsMetadata>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>d3d11.lib;xaudio2.lib;WindowsPhoneCore.lib;RuntimeObject.lib;PhoneAppModelHost.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>DXGI.lib;d3d11.lib;xaudio2.lib;WindowsPhoneCore.lib;RuntimeObject.lib;PhoneAppModelHost.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
@@ -201,6 +201,9 @@
     <ClInclude Include="..\..\src\core\winrt\SDL_winrtapp_common.h" />
     <ClInclude Include="..\..\src\core\winrt\SDL_winrtapp_direct3d.h" />
     <ClInclude Include="..\..\src\core\winrt\SDL_winrtapp_xaml.h" />
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi.h" />
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi_overrides.h" />
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi_procs.h" />
     <ClInclude Include="..\..\src\events\blank_cursor.h" />
     <ClInclude Include="..\..\src\events\default_cursor.h" />
     <ClInclude Include="..\..\src\events\SDL_clipboardevents_c.h" />
@@ -215,7 +218,9 @@
     <ClInclude Include="..\..\src\haptic\SDL_syshaptic.h" />
     <ClInclude Include="..\..\src\joystick\SDL_joystick_c.h" />
     <ClInclude Include="..\..\src\joystick\SDL_sysjoystick.h" />
+    <ClInclude Include="..\..\src\render\direct3d11\SDL_render_d3d11_winrthelpers_cpp.h" />
     <ClInclude Include="..\..\src\render\mmx.h" />
+    <ClInclude Include="..\..\src\render\SDL_d3dmath.h" />
     <ClInclude Include="..\..\src\render\SDL_sysrender.h" />
     <ClInclude Include="..\..\src\render\SDL_yuv_sw_c.h" />
     <ClInclude Include="..\..\src\render\software\SDL_blendfillrect.h" />
@@ -289,6 +294,7 @@
       <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</CompileAsWinRT>
     </ClCompile>
     <ClCompile Include="..\..\src\cpuinfo\SDL_cpuinfo.c" />
+    <ClCompile Include="..\..\src\dynapi\SDL_dynapi.c" />
     <ClCompile Include="..\..\src\events\SDL_clipboardevents.c" />
     <ClCompile Include="..\..\src\events\SDL_dropevents.c" />
     <ClCompile Include="..\..\src\events\SDL_events.c" />
@@ -311,12 +317,16 @@
     <ClCompile Include="..\..\src\joystick\SDL_gamecontroller.c" />
     <ClCompile Include="..\..\src\joystick\SDL_joystick.c" />
     <ClCompile Include="..\..\src\loadso\windows\SDL_sysloadso.c" />
-    <ClCompile Include="..\..\src\render\direct3d11\SDL_render_d3d11.cpp">
+    <ClCompile Include="..\..\src\power\SDL_power.c" />
+    <ClCompile Include="..\..\src\power\winrt\SDL_syspower.cpp" />
+    <ClCompile Include="..\..\src\render\direct3d11\SDL_render_d3d11.c" />
+    <ClCompile Include="..\..\src\render\direct3d11\SDL_render_d3d11_winrthelpers.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>
     </ClCompile>
+    <ClCompile Include="..\..\src\render\SDL_d3dmath.c" />
     <ClCompile Include="..\..\src\render\SDL_render.c" />
     <ClCompile Include="..\..\src\render\SDL_yuv_mmx.c" />
     <ClCompile Include="..\..\src\render\SDL_yuv_sw.c" />
diff --git a/VisualC-WinPhone/SDL/SDL-WinPhone_VS2012.vcxproj.filters b/VisualC-WinPhone/SDL/SDL-WinPhone_VS2012.vcxproj.filters
index 9535fe7..4c8d7d4 100644
--- a/VisualC-WinPhone/SDL/SDL-WinPhone_VS2012.vcxproj.filters
+++ b/VisualC-WinPhone/SDL/SDL-WinPhone_VS2012.vcxproj.filters
@@ -339,6 +339,21 @@
     <ClInclude Include="..\..\include\SDL_filesystem.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\render\direct3d11\SDL_render_d3d11_winrthelpers_cpp.h">
+      <Filter>Source Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\src\render\SDL_d3dmath.h">
+      <Filter>Source Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi.h">
+      <Filter>Source Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi_overrides.h">
+      <Filter>Source Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi_procs.h">
+      <Filter>Source Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\src\atomic\SDL_atomic.c">
@@ -572,9 +587,6 @@
     <ClCompile Include="..\..\src\video\SDL_video.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\render\direct3d11\SDL_render_d3d11.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\src\joystick\SDL_gamecontroller.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -608,5 +620,23 @@
     <ClCompile Include="..\..\src\filesystem\winrt\SDL_sysfilesystem.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\render\direct3d11\SDL_render_d3d11.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\render\direct3d11\SDL_render_d3d11_winrthelpers.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\render\SDL_d3dmath.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\dynapi\SDL_dynapi.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\power\winrt\SDL_syspower.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\power\SDL_power.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/VisualC-WinRT/SDL/SDL-WinRT_VS2012.vcxproj b/VisualC-WinRT/SDL/SDL-WinRT_VS2012.vcxproj
index cc5fddd..c864a97 100644
--- a/VisualC-WinRT/SDL/SDL-WinRT_VS2012.vcxproj
+++ b/VisualC-WinRT/SDL/SDL-WinRT_VS2012.vcxproj
@@ -72,6 +72,7 @@
       <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</CompileAsWinRT>
     </ClCompile>
     <ClCompile Include="..\..\src\cpuinfo\SDL_cpuinfo.c" />
+    <ClCompile Include="..\..\src\dynapi\SDL_dynapi.c" />
     <ClCompile Include="..\..\src\events\SDL_clipboardevents.c" />
     <ClCompile Include="..\..\src\events\SDL_dropevents.c" />
     <ClCompile Include="..\..\src\events\SDL_events.c" />
@@ -96,6 +97,8 @@
     <ClCompile Include="..\..\src\joystick\SDL_joystick.c" />
     <ClCompile Include="..\..\src\joystick\winrt\SDL_xinputjoystick.c" />
     <ClCompile Include="..\..\src\loadso\windows\SDL_sysloadso.c" />
+    <ClCompile Include="..\..\src\power\SDL_power.c" />
+    <ClCompile Include="..\..\src\power\winrt\SDL_syspower.cpp" />
     <ClCompile Include="..\..\src\render\direct3d11\SDL_render_d3d11.c" />
     <ClCompile Include="..\..\src\render\direct3d11\SDL_render_d3d11_winrthelpers.cpp">
       <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</CompileAsWinRT>
@@ -107,6 +110,7 @@
     </ClCompile>
     <ClCompile Include="..\..\src\render\opengles2\SDL_render_gles2.c" />
     <ClCompile Include="..\..\src\render\opengles2\SDL_shaders_gles2.c" />
+    <ClCompile Include="..\..\src\render\SDL_d3dmath.c" />
     <ClCompile Include="..\..\src\render\SDL_render.c" />
     <ClCompile Include="..\..\src\render\SDL_yuv_mmx.c" />
     <ClCompile Include="..\..\src\render\SDL_yuv_sw.c" />
@@ -270,6 +274,9 @@
     <ClInclude Include="..\..\src\core\winrt\SDL_winrtapp_common.h" />
     <ClInclude Include="..\..\src\core\winrt\SDL_winrtapp_direct3d.h" />
     <ClInclude Include="..\..\src\core\winrt\SDL_winrtapp_xaml.h" />
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi.h" />
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi_overrides.h" />
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi_procs.h" />
     <ClInclude Include="..\..\src\events\blank_cursor.h" />
     <ClInclude Include="..\..\src\events\default_cursor.h" />
     <ClInclude Include="..\..\src\events\SDL_clipboardevents_c.h" />
@@ -289,6 +296,7 @@
     <ClInclude Include="..\..\src\render\mmx.h" />
     <ClInclude Include="..\..\src\render\opengles2\SDL_gles2funcs.h" />
     <ClInclude Include="..\..\src\render\opengles2\SDL_shaders_gles2.h" />
+    <ClInclude Include="..\..\src\render\SDL_d3dmath.h" />
     <ClInclude Include="..\..\src\render\SDL_sysrender.h" />
     <ClInclude Include="..\..\src\render\SDL_yuv_sw_c.h" />
     <ClInclude Include="..\..\src\render\software\SDL_blendfillrect.h" />
@@ -426,7 +434,7 @@
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <CompileAsWinRT>false</CompileAsWinRT>
       <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -440,7 +448,7 @@
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <CompileAsWinRT>false</CompileAsWinRT>
       <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -454,7 +462,7 @@
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <CompileAsWinRT>false</CompileAsWinRT>
       <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -468,7 +476,7 @@
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <CompileAsWinRT>false</CompileAsWinRT>
       <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -482,7 +490,7 @@
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <CompileAsWinRT>false</CompileAsWinRT>
       <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -496,7 +504,7 @@
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <CompileAsWinRT>false</CompileAsWinRT>
       <AdditionalIncludeDirectories>..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WINDLL;_CRT_SECURE_NO_WARNINGS;SDL_BUILDING_WINRT=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
diff --git a/VisualC-WinRT/SDL/SDL-WinRT_VS2012.vcxproj.filters b/VisualC-WinRT/SDL/SDL-WinRT_VS2012.vcxproj.filters
index fb3195f..108cc86 100644
--- a/VisualC-WinRT/SDL/SDL-WinRT_VS2012.vcxproj.filters
+++ b/VisualC-WinRT/SDL/SDL-WinRT_VS2012.vcxproj.filters
@@ -283,6 +283,18 @@
     <ClCompile Include="..\..\src\render\direct3d11\SDL_render_d3d11_winrthelpers.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\render\SDL_d3dmath.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\dynapi\SDL_dynapi.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\power\winrt\SDL_syspower.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\power\SDL_power.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\include\begin_code.h">
@@ -642,6 +654,18 @@
     <ClInclude Include="..\..\src\render\direct3d11\SDL_render_d3d11_winrthelpers_cpp.h">
       <Filter>Source Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\render\SDL_d3dmath.h">
+      <Filter>Source Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi.h">
+      <Filter>Source Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi_overrides.h">
+      <Filter>Source Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\src\dynapi\SDL_dynapi_procs.h">
+      <Filter>Source Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="Header Files">
diff --git a/include/SDL_config_winrt.h b/include/SDL_config_winrt.h
index 2d92581..78b43ab 100644
--- a/include/SDL_config_winrt.h
+++ b/include/SDL_config_winrt.h
@@ -180,8 +180,7 @@ typedef unsigned int uintptr_t;
 #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
+#define SDL_POWER_WINRT 1
 
 /* Enable assembly routines (Win64 doesn't have inline asm) */
 #ifndef _WIN64
diff --git a/src/core/winrt/SDL_winrtapp_xaml.cpp b/src/core/winrt/SDL_winrtapp_xaml.cpp
index 67a5cdd..7fe3b82 100644
--- a/src/core/winrt/SDL_winrtapp_xaml.cpp
+++ b/src/core/winrt/SDL_winrtapp_xaml.cpp
@@ -42,7 +42,7 @@
 SDL_bool WINRT_XAMLWasEnabled = SDL_FALSE;
 
 #if WINAPI_FAMILY == WINAPI_FAMILY_APP
-ISwapChainBackgroundPanelNative * WINRT_GlobalSwapChainBackgroundPanelNative = NULL;
+extern "C" ISwapChainBackgroundPanelNative * WINRT_GlobalSwapChainBackgroundPanelNative = NULL;
 static Windows::Foundation::EventRegistrationToken	WINRT_XAMLAppEventToken;
 #endif
 
diff --git a/src/dynapi/SDL_dynapi.h b/src/dynapi/SDL_dynapi.h
index 3752de1..d318552 100644
--- a/src/dynapi/SDL_dynapi.h
+++ b/src/dynapi/SDL_dynapi.h
@@ -45,6 +45,8 @@
 
 #if TARGET_OS_IPHONE  /* probably not useful on iOS. */
 #define SDL_DYNAMIC_API 0
+#elif SDL_BUILDING_WINRT /* probaly not useful on WinRT, given current .dll loading restrictions */
+#define SDL_DYNAMIC_API 0
 #else   /* everyone else. */
 #define SDL_DYNAMIC_API 1
 #endif
diff --git a/src/power/SDL_power.c b/src/power/SDL_power.c
index 0e30f90..10f8355 100644
--- a/src/power/SDL_power.c
+++ b/src/power/SDL_power.c
@@ -37,6 +37,7 @@ SDL_bool SDL_GetPowerInfo_Haiku(SDL_PowerState *, int *, int *);
 SDL_bool SDL_GetPowerInfo_UIKit(SDL_PowerState *, int *, int *);
 SDL_bool SDL_GetPowerInfo_Android(SDL_PowerState *, int *, int *);
 SDL_bool SDL_GetPowerInfo_PSP(SDL_PowerState *, int *, int *);
+SDL_bool SDL_GetPowerInfo_WinRT(SDL_PowerState *, int *, int *);
 
 #ifndef SDL_POWER_DISABLED
 #ifdef SDL_POWER_HARDWIRED
@@ -77,6 +78,9 @@ static SDL_GetPowerInfo_Impl implementations[] = {
 #ifdef SDL_POWER_PSP        /* handles PSP. */
     SDL_GetPowerInfo_PSP,
 #endif
+#ifdef SDL_POWER_WINRT          /* handles WinRT */
+    SDL_GetPowerInfo_WinRT,
+#endif
 
 #ifdef SDL_POWER_HARDWIRED
     SDL_GetPowerInfo_Hardwired,
diff --git a/src/render/direct3d11/SDL_render_d3d11.c b/src/render/direct3d11/SDL_render_d3d11.c
index 58673d4..2f683b2 100644
--- a/src/render/direct3d11/SDL_render_d3d11.c
+++ b/src/render/direct3d11/SDL_render_d3d11.c
@@ -961,11 +961,10 @@ D3D11_CreateDeviceResources(SDL_Renderer * renderer)
     D3D11_SAMPLER_DESC samplerDesc;
     D3D11_RASTERIZER_DESC rasterDesc;
 
-    // TODO, WinRT, Mar 11, 2014: once SDL/WinRT is back up and running, see if D3D11 init functions are loadable (via LoadPackagedLibrary/SDL_LoadObject, etc.)
-//#ifdef __WINRT__
-//    CreateDXGIFactoryFunc = CreateDXGIFactory;
-//    D3D11CreateDeviceFunc = D3D11CreateDevice;
-//#else
+#ifdef __WINRT__
+    CreateDXGIFactoryFunc = CreateDXGIFactory1;
+    D3D11CreateDeviceFunc = D3D11CreateDevice;
+#else
     data->hDXGIMod = SDL_LoadObject("dxgi.dll");
     if (!data->hDXGIMod) {
         result = E_FAIL;
@@ -989,7 +988,7 @@ D3D11_CreateDeviceResources(SDL_Renderer * renderer)
         result = E_FAIL;
         goto done;
     }
-//#endif /* __WINRT__ */
+#endif /* __WINRT__ */
 
     result = CreateDXGIFactoryFunc(&IID_IDXGIFactory2, &data->dxgiFactory);
     if (FAILED(result)) {
@@ -2833,6 +2832,11 @@ D3D11_RenderPresent(SDL_Renderer * renderer)
     HRESULT result;
     DXGI_PRESENT_PARAMETERS parameters;
 
+#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
+    syncInterval = 1;
+    presentFlags = 0;
+    result = IDXGISwapChain_Present(data->swapChain, syncInterval, presentFlags);
+#else
     if (renderer->info.flags & SDL_RENDERER_PRESENTVSYNC) {
         syncInterval = 1;
         presentFlags = 0;
@@ -2841,9 +2845,6 @@ D3D11_RenderPresent(SDL_Renderer * renderer)
         presentFlags = DXGI_PRESENT_DO_NOT_WAIT;
     }
 
-#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
-    result = IDXGISwapChain_Present(data->swapChain, syncInterval, presentFlags);
-#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.
diff --git a/src/render/direct3d11/SDL_render_d3d11_winrthelpers.cpp b/src/render/direct3d11/SDL_render_d3d11_winrthelpers.cpp
index 25e6765..78d9912 100644
--- a/src/render/direct3d11/SDL_render_d3d11_winrthelpers.cpp
+++ b/src/render/direct3d11/SDL_render_d3d11_winrthelpers.cpp
@@ -37,6 +37,8 @@ extern "C" {
 using namespace Windows::UI::Core;
 using namespace Windows::Graphics::Display;
 
+#include <DXGI.h>
+
 
 extern "C" void *
 D3D11_GetCoreWindowFromSDLRenderer(SDL_Renderer * renderer)
diff --git a/src/thread/stdcpp/SDL_sysmutex.cpp b/src/thread/stdcpp/SDL_sysmutex.cpp
index ac32503..c652aab 100644
--- a/src/thread/stdcpp/SDL_sysmutex.cpp
+++ b/src/thread/stdcpp/SDL_sysmutex.cpp
@@ -79,6 +79,21 @@ SDL_mutexP(SDL_mutex * mutex)
     }
 }
 
+/* TryLock the mutex */
+int
+SDL_TryLockMutex(SDL_mutex * mutex)
+{
+    int retval = 0;
+    if (mutex == NULL) {
+        return SDL_SetError("Passed a NULL mutex");
+    }
+
+    if (mutex->cpp_mutex.try_lock() == false) {
+        retval = SDL_MUTEX_TIMEDOUT;
+    }
+    return retval;
+}
+
 /* Unlock the mutex */
 extern "C"
 int