set(IMGUI_SOURCES
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/imconfig.h
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/imgui.cpp
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/imgui.h
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/imgui_demo.cpp
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/imgui_draw.cpp
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/imgui_internal.h
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/imgui_tables.cpp
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/imgui_widgets.cpp
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/imstb_rectpack.h
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/imstb_textedit.h
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/imstb_truetype.h
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/backends/imgui_impl_opengl2.cpp
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/backends/imgui_impl_opengl2.h
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/backends/imgui_impl_sdl.cpp
        ${CMAKE_CURRENT_SOURCE_DIR}/imgui/backends/imgui_impl_sdl.h
        )

add_library(IMGUI STATIC ${IMGUI_SOURCES})
target_include_directories(IMGUI PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/imgui)
add_definitions(-DIMGUI_IMPL_OPENGL_LOADER_GLAD2)
target_link_libraries(IMGUI PUBLIC SDL2 GLAD)
if (WIN32)
    target_link_libraries(IMGUI PUBLIC opengl32)
endif ()