set(ARCHEUS_GLFW_WINDOW_SOURCES
    src/graphics/glfw/config.c
    src/graphics/glfw/renderer.c
    src/graphics/glfw/window.c
)

set(ARCHEUS_GLFW_INPUT_SOURCES
    src/input/glfw/keyboard.c
    src/input/glfw/mouse.c
)

function(glfw_check_and_init_needed _ARCHEUS_FLAGS _ARCHEUS_SOURCES ARCHEUS_WINDOW_BACKEND ARCHEUS_INPUT_BACKEND)
    #add matching files for the selected backends
    if(${ARCHEUS_WINDOW_BACKEND} STREQUAL "GLFW")
        string(APPEND ${_ARCHEUS_FLAGS} "-lglfw -DARC_GLFW_WINDOW ")
        list(APPEND ${_ARCHEUS_SOURCES} ${ARCHEUS_GLFW_WINDOW_SOURCES})
    endif()

    if(${ARCHEUS_INPUT_BACKEND} STREQUAL "GLFW")
        string(APPEND ${_ARCHEUS_FLAGS} "-lglfw -lGLEW -DARC_GLFW_INPUT ")
        list(APPEND ${_ARCHEUS_SOURCES} ${ARCHEUS_GLFW_INPUT_SOURCES})
    endif()

    set(${_ARCHEUS_FLAGS} ${${_ARCHEUS_FLAGS}} PARENT_SCOPE)
    set(${_ARCHEUS_SOURCES} ${${_ARCHEUS_SOURCES}} PARENT_SCOPE)
endfunction()