+ print r' OSVERSIONINFO osvi;'
+ print r' BOOL bIsWindows8orLater;'
+ print r' ZeroMemory(&osvi, sizeof osvi);'
+ print r' osvi.dwOSVersionInfoSize = sizeof osvi;'
+ print r' GetVersionEx(&osvi);'
+ print r' bIsWindows8orLater = '
+ print r' (osvi.dwMajorVersion > 6) ||'
+ print r' (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion >= 2);'
+ print r' const char *szD3d11SdkLayers = bIsWindows8orLater ? "d3d11_1sdklayers" : "d3d11sdklayers";'
+ print r' if (LoadLibraryA(szD3d11SdkLayers)) {'