if(NOT WINDOWS_STORE)
list(APPEND PLAT_SRCS GLSL.cpp HLSL.cpp Metal.cpp)
else()
list(APPEND PLAT_SRCS HLSL.cpp)
endif()
set(BACKEND_SOURCES
GX.cpp
ProgrammableCommon.cpp
${PLAT_SRCS})
hecl_add_list(Backend BACKEND_SOURCES)