diff -r ef23c9d08eed -r c5d603f7094e VisualC-WinRT/SDL/SDL-WinRT_VS2012.vcxproj
--- a/VisualC-WinRT/SDL/SDL-WinRT_VS2012.vcxproj	Mon Mar 10 22:53:03 2014 -0400
+++ b/VisualC-WinRT/SDL/SDL-WinRT_VS2012.vcxproj	Tue Mar 11 12:40:31 2014 -0400
@@ -97,6 +97,14 @@
     <ClCompile Include="..\..\src\joystick\winrt\SDL_xinputjoystick.c" />
     <ClCompile Include="..\..\src\loadso\windows\SDL_sysloadso.c" />
     <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>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</CompileAsWinRT>
+      <CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</CompileAsWinRT>
+    </ClCompile>
     <ClCompile Include="..\..\src\render\opengles2\SDL_render_gles2.c" />
     <ClCompile Include="..\..\src\render\opengles2\SDL_shaders_gles2.c" />
     <ClCompile Include="..\..\src\render\SDL_render.c" />
@@ -277,6 +285,7 @@
     <ClInclude Include="..\..\src\joystick\SDL_gamecontrollerdb.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\opengles2\SDL_gles2funcs.h" />
     <ClInclude Include="..\..\src\render\opengles2\SDL_shaders_gles2.h" />