add_subdirectory(OGL)
add_subdirectory(Null)
add_subdirectory(Software)
if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
add_subdirectory(D3DCommon)
add_subdirectory(D3D)
add_subdirectory(D3D12)
endif()
if(ENABLE_VULKAN)
add_subdirectory(Vulkan)