+
+if (DirectX_FXC_EXECUTABLE)
+ add_subdirectory (hlsl)
+endif ()
+
+if (DirectX_D3D11_FOUND)
+ add_subdirectory (d3d11)
+endif ()
+
+if (DirectX_D3D10_FOUND)
+ add_subdirectory (d3d10)
+endif ()
+
+if (DirectX_D3D9_FOUND)
+ add_subdirectory (d3d9)
+endif ()
+
+if (DirectX_D3D8_FOUND)
+ add_subdirectory (d3d8)
+endif ()
+
+if (DirectX_D3D_FOUND)
+ add_subdirectory (d3d7)
+endif ()