set(LIB_NAME Rendering)
set(LIB_SRC_DIR "${PROJECT_SOURCE_DIR}/Source/${LIB_NAME}")
file(                                                                           #利用glob命令读取所有源文件list
    GLOB_RECURSE LIB_SRC 
    LIST_DIRECTORIES false
    CONFIGURE_DEPENDS
    "${LIB_SRC_DIR}/*.c*"
    "${LIB_SRC_DIR}/*.h*"
)

list(FILTER LIB_SRC EXCLUDE REGEX .*deprecated/.*)                              #排除deprecated 目录下面的所有文件

if(WIN32)
    add_library(${LIB_NAME} STATIC ${LIB_SRC})                                      #添加编译目标 静态链接库
elseif(UNIX)
    add_library(${LIB_NAME} SHARED ${LIB_SRC}) 
endif()

if(WIN32)
    foreach(SRC IN ITEMS ${LIB_SRC})                                                #为VS工程添加filter 方便查看文件结构目录
        get_filename_component(SRC_PATH "${SRC}" PATH)
        file(RELATIVE_PATH SRC_PATH_REL "${LIB_SRC_DIR}" "${SRC_PATH}")
        string(REPLACE "/" "\\" GROUP_PATH "${SRC_PATH_REL}")
        source_group("${GROUP_PATH}" FILES "${SRC}")
    endforeach()
endif()

if(WIN32)                                                                       #only for windows compile option
    target_compile_options(${LIB_NAME} PRIVATE -Xcompiler "/wd 4819")               #禁止编译时报告文件编码不是unicode的warning，由于cuda头文件都不是unicode。使编译报错更清晰
endif()

file(RELATIVE_PATH PROJECT_PATH_REL "${PROJECT_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}")                 #判断当前project在根目录下的相对路径
set_target_properties(${LIB_NAME} PROPERTIES FOLDER "Engine")      #为project设定folder目录
set_target_properties(${LIB_NAME} PROPERTIES CUDA_RESOLVE_DEVICE_SYMBOLS ON)    #cmake 会自动延迟cuda dlink操作直到静态库被编译成动态库或者exe，
                                                                                #但这样影响了后面其他工程对PhysLeo.lib的引用，现在还有些原因未明，暂时在编译成库之前开启dlink
set_target_properties(${LIB_NAME} PROPERTIES
    OUTPUT_NAME "Pa${LIB_NAME}-${PHYSIKA_LIBRARY_VERSION}")
set_target_properties(${LIB_NAME} PROPERTIES
    CUDA_SEPARABLE_COMPILATION OFF)    

#To resolve the error: Target "..." INTERFACE_INCLUDE_DIRECTORIES property contains path: "..." which is prefixed in the build directory.
target_include_directories(${LIB_NAME} PUBLIC 
    $<INSTALL_INTERFACE:${PHYSIKA_INC_INSTALL_DIR}>
    $<INSTALL_INTERFACE:${PHYSIKA_INC_INSTALL_DIR}/${LIB_NAME}>
    $<INSTALL_INTERFACE:${PHYSIKA_INC_INSTALL_DIR}/Extern/glew-1.10.0/include>)

target_link_libraries(${LIB_NAME} PUBLIC Core glew freeglut)

install(TARGETS ${LIB_NAME}
    EXPORT ${LIB_NAME}Targets
    RUNTIME  DESTINATION  ${PHYSIKA_RUNTIME_INSTALL_DIR}
    LIBRARY  DESTINATION  ${PHYSIKA_LIBRARY_INSTALL_DIR}
    ARCHIVE  DESTINATION  ${PHYSIKA_ARCHIVE_INSTALL_DIR}
    )

install(EXPORT ${LIB_NAME}Targets DESTINATION ${PHYSIKA_CMAKE_CONFIG_INSTALL_DIR}
    FILE ${LIB_NAME}Targets.cmake)

get_property(LOCAL_CMAKES_NAMES GLOBAL PROPERTY "GLOBAL_CMAKES_NAMES")
list(APPEND LOCAL_CMAKES_NAMES "${LIB_NAME}Targets.cmake")    
set_property(GLOBAL PROPERTY GLOBAL_CMAKES_NAMES ${LOCAL_CMAKES_NAMES})

file(GLOB RENDERING_HEADER "${CMAKE_CURRENT_SOURCE_DIR}/*.h")
install(FILES ${RENDERING_HEADER}  DESTINATION ${PHYSIKA_INC_INSTALL_DIR}/Rendering)