129 lines
4.7 KiB
CMake
129 lines
4.7 KiB
CMake
set(LIGHT_INCLUDES
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${CMAKE_SOURCE_DIR}/include/light/entities.hh
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${CMAKE_SOURCE_DIR}/include/light/light.hh
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${CMAKE_SOURCE_DIR}/include/light/phong.hh
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${CMAKE_SOURCE_DIR}/include/light/bounce.hh
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${CMAKE_SOURCE_DIR}/include/light/surflight.hh
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${CMAKE_SOURCE_DIR}/include/light/ltface.hh
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${CMAKE_SOURCE_DIR}/include/light/trace.hh
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${CMAKE_SOURCE_DIR}/include/light/litfile.hh)
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set(LIGHT_SOURCES
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entities.cc
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litfile.cc
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ltface.cc
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trace.cc
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light.cc
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phong.cc
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bounce.cc
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surflight.cc
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${LIGHT_INCLUDES})
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FIND_PACKAGE(embree 3.0 REQUIRED)
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if (embree_FOUND)
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MESSAGE(STATUS "Embree library found: ${EMBREE_LIBRARY}")
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INCLUDE_DIRECTORIES(${EMBREE_INCLUDE_DIRS})
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set(LIGHT_INCLUDES
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${CMAKE_SOURCE_DIR}/include/light/trace_embree.hh
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${LIGHT_INCLUDES})
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set(LIGHT_SOURCES
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trace_embree.cc
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${CMAKE_SOURCE_DIR}/include/light/trace_embree.hh
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${LIGHT_SOURCES})
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# This needs to be before the add_executable
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if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
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SET(CMAKE_INSTALL_RPATH "$ORIGIN")
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endif ()
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endif(embree_FOUND)
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add_library(liblight STATIC ${LIGHT_SOURCES})
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target_link_libraries(liblight PRIVATE common ${CMAKE_THREAD_LIBS_INIT} fmt::fmt nlohmann_json::nlohmann_json)
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add_executable(light main.cc)
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target_link_libraries(light PRIVATE common liblight)
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if (embree_FOUND)
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target_link_libraries (liblight PRIVATE embree)
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add_definitions(-DHAVE_EMBREE)
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# macOS/homebrew: hack around find_file applying the .. before resolving the symlink
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# causing it not to find the LICENSE.txt
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get_filename_component(embree_DIR_ABS "${embree_DIR}" REALPATH CACHE)
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find_file(EMBREE_LICENSE LICENSE.txt
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"${embree_DIR_ABS}/doc"
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"${embree_DIR_ABS}/../../../doc"
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"${embree_DIR_ABS}/../embree3/embree3" # vcpkg puts it here
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"${embree_DIR_ABS}/../../.." # homebrew puts it here
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NO_DEFAULT_PATH)
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if (EMBREE_LICENSE STREQUAL EMBREE_LICENSE-NOTFOUND)
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message(WARNING "Couldn't find embree license. embree_DIR: ${embree_DIR}, embree_DIR_ABS: ${embree_DIR_ABS}")
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else()
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message(STATUS "Found embree license: ${EMBREE_LICENSE}")
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endif()
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# HACK: Windows embree .dll's from https://github.com/embree/embree/releases ship with a tbb12.dll
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# and we need to copy it from the embree/bin directory to our light.exe/testlight.exe dir in order for them to run
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find_file(EMBREE_TBB_DLL tbb12.dll
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"${EMBREE_ROOT_DIR}/bin"
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NO_DEFAULT_PATH)
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if (NOT EMBREE_TBB_DLL STREQUAL EMBREE_TBB_DLL-NOTFOUND)
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message(STATUS "Found embree EMBREE_TBB_DLL: ${EMBREE_TBB_DLL}")
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endif()
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add_custom_command(TARGET light POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E copy_if_different "$<TARGET_FILE:embree>" "$<TARGET_FILE_DIR:light>"
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COMMAND ${CMAKE_COMMAND} -E copy_if_different "$<TARGET_FILE:TBB::tbb>" "$<TARGET_FILE_DIR:light>"
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COMMAND ${CMAKE_COMMAND} -E copy_if_different "$<TARGET_FILE:TBB::tbbmalloc>" "$<TARGET_FILE_DIR:light>"
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)
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if (NOT EMBREE_LICENSE STREQUAL EMBREE_LICENSE-NOTFOUND)
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add_custom_command(TARGET light POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E copy_if_different "${EMBREE_LICENSE}" "$<TARGET_FILE_DIR:light>/LICENSE-embree.txt")
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endif()
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if (NOT EMBREE_TBB_DLL STREQUAL EMBREE_TBB_DLL-NOTFOUND)
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add_custom_command(TARGET light POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E copy_if_different "${EMBREE_TBB_DLL}" "$<TARGET_FILE_DIR:light>")
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endif()
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# so the executable will search for dylib's in the same directory as the executable
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if(APPLE)
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add_custom_command(TARGET light POST_BUILD
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COMMAND bash ARGS -c \"install_name_tool -add_rpath @loader_path $<TARGET_FILE:light> || true\")
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endif()
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install(FILES $<TARGET_FILE:embree> DESTINATION bin)
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# install TBB
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if(UNIX)
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# HACK: preferred method is installing the symlink instead of the actual .so
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get_target_property(TBB_SO_FILE_SYMLINK TBB::tbb IMPORTED_LOCATION_RELEASE)
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get_filename_component(TBB_SO_FILE "${TBB_SO_FILE_SYMLINK}" REALPATH)
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message(STATUS "TBB .so file: ${TBB_SO_FILE}")
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install(FILES ${TBB_SO_FILE} DESTINATION bin)
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# tbbmalloc
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get_target_property(TBBMALLOC_SO_FILE_SYMLINK TBB::tbbmalloc IMPORTED_LOCATION_RELEASE)
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get_filename_component(TBBMALLOC_SO_FILE "${TBBMALLOC_SO_FILE_SYMLINK}" REALPATH)
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message(STATUS "TBBMALLOC .so file: ${TBBMALLOC_SO_FILE}")
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install(FILES ${TBBMALLOC_SO_FILE} DESTINATION bin)
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else()
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# preferred method
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install(FILES $<TARGET_FILE:TBB::tbb> DESTINATION bin)
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install(FILES $<TARGET_FILE:TBB::tbbmalloc> DESTINATION bin)
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endif()
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if (NOT EMBREE_LICENSE STREQUAL EMBREE_LICENSE-NOTFOUND)
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install(FILES ${EMBREE_LICENSE} DESTINATION bin RENAME LICENSE-embree.txt)
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endif()
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endif(embree_FOUND)
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install(TARGETS light RUNTIME DESTINATION bin)
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install(FILES ${CMAKE_SOURCE_DIR}/gpl_v3.txt DESTINATION bin)
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