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CMakeLists.txt
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cmake_minimum_required (VERSION 3.7)
cmake_policy(VERSION 3.7...3.20)
project(LineVis)
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/CMake)
#MESSAGE(STATUS "CMAKE_MODULE_PATH: " ${CMAKE_MODULE_PATH})
set(CMAKE_CXX_STANDARD 17)
file(GLOB_RECURSE SOURCES src/*.cpp src/*.c src/*.hpp src/*.h Data/Shaders/*.glsl)
include_directories(src)
file(GLOB_RECURSE SHADER_FILES Data/Shaders/*.glsl)
source_group(TREE "${CMAKE_CURRENT_SOURCE_DIR}/Data/Shaders" PREFIX "Shaders" FILES ${SHADER_FILES})
if(MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zc:__cplusplus")
# Avoid warning 'IMPORTED_IMPLIB not set for imported target "sgl" configuration "MinSizeRel/RelWithDebInfo".'
set(CMAKE_CONFIGURATION_TYPES Debug Release)
endif()
if(MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -W3 /EHsc /Zc:__cplusplus")
elseif(CMAKE_COMPILER_IS_GNUCXX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
endif()
# Prefer GLVND by default when available.
if (${CMAKE_VERSION} VERSION_GREATER "3.11")
cmake_policy(SET CMP0072 NEW)
endif()
if(VCPKG_TOOLCHAIN)
if(EXISTS "${Z_VCPKG_ROOT_DIR}/triplets/${VCPKG_TARGET_TRIPLET}.cmake")
include("${Z_VCPKG_ROOT_DIR}/triplets/${VCPKG_TARGET_TRIPLET}.cmake")
elseif(EXISTS "${Z_VCPKG_ROOT_DIR}/triplets/community/${VCPKG_TARGET_TRIPLET}.cmake")
include("${Z_VCPKG_ROOT_DIR}/triplets/community/${VCPKG_TARGET_TRIPLET}.cmake")
else()
message(FATAL_ERROR "Could not find a vcpkg triplet file for ${VCPKG_TARGET_TRIPLET}.")
endif()
endif()
if (MSVC)
set(DEFAULT_USE_TBB ON)
else()
set(DEFAULT_USE_TBB OFF)
endif()
option(USE_GTEST "Build the GoogleTest test suites." OFF)
option(USE_PYTHON "Build with Python 3 support for replay scripts." ON)
option(USE_TBB "Build with TBB threading support instead of using OpenMP." ${DEFAULT_USE_TBB})
option(VCPKG_EXTERNAL_EMBREE "Use external Embree package if vcpkg is used for compilation." OFF)
option(USE_STATIC_STD_LIBRARIES "Link with standard libraries statically (only supported on Linux for now)." OFF)
option(SUPPORT_PYTORCH_DENOISER "Build the PyTorch module." OFF)
set(DATA_PATH "${CMAKE_SOURCE_DIR}/Data" CACHE PATH "Location of folder 'Data'")
add_definitions(-DDATA_PATH=\"${DATA_PATH}\")
if (USE_GTEST)
set(
GTEST_SOURCES
# Test 1: Kd-tree functionality.
${CMAKE_CURRENT_SOURCE_DIR}/test/TestKdTreeNearestNeighbor.cpp
# Test 2: Volumetric path tracing.
${CMAKE_CURRENT_SOURCE_DIR}/test/VolumetricPathTracingTestData.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/VolumetricPathTracingTestRenderer.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/TestVolumetricPathTracing.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/LineData/Scattering/CloudData.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/OIT/MBOITUtils.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/PathTracer/VolumetricPathTracingPass.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/PathTracer/SuperVoxelGrid.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/PathTracer/OpenExrLoader.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/Denoiser/Denoiser.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/Denoiser/EAWDenoiser.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/Denoiser/SVGF.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/Denoiser/SpatialHashingDenoiser.cpp
)
endif()
if ((UNIX OR MSYS OR MINGW) AND (NOT APPLE OR NOT VCPKG_TOOLCHAIN))
find_package(PkgConfig REQUIRED)
endif()
if (USE_PYTHON)
if (${CMAKE_VERSION} VERSION_GREATER "3.11")
# 2021-05-06: CMake won't find vcpkg version if we don't search for the interpreter.
# 2022-08-29: Finding interpreter fails with dynamic vcpkg build on Linux and macOS.
if(VCPKG_TOOLCHAIN) # AND (NOT UNIX OR VCPKG_LIBRARY_LINKAGE STREQUAL "static")
find_package(Python3 COMPONENTS Development Interpreter REQUIRED)
else()
find_package(Python3 COMPONENTS Development REQUIRED)
endif()
else()
pkg_check_modules(Python3 QUIET python3)
endif()
endif()
if (Python3_FOUND AND USE_PYTHON)
MESSAGE(STATUS "Found Python ${Python3_VERSION}. Enabling replay script support.")
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/pythonversion.txt" "python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}")
else()
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Widgets/ReplayWidget.cpp)
MESSAGE(STATUS "Python 3 couldn't be found. Switching off replay script support.")
endif()
set(FPHSA_NAME_MISMATCHED TRUE)
find_package(sgl QUIET)
if(NOT sgl_FOUND)
set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH};third_party/sgl/install/lib/cmake/sgl)
find_package(sgl REQUIRED)
endif()
find_package(Boost COMPONENTS system filesystem QUIET) # Needed for sgl with vcpkg.
if(VCPKG_TOOLCHAIN)
find_package(netCDF CONFIG REQUIRED)
find_package(tinyxml2 CONFIG REQUIRED)
find_package(jsoncpp CONFIG REQUIRED)
else()
find_package(NetCDF REQUIRED)
find_package(TinyXML2 REQUIRED)
find_package(jsoncpp QUIET)
if (NOT jsoncpp_FOUND)
pkg_check_modules(JSONCPP jsoncpp)
endif()
endif()
find_package(eccodes QUIET)
if(NOT eccodes_FOUND)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/LineData/Flow/Loader/GribLoader.cpp)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/LineData/Flow/Loader/GribLoader.hpp)
MESSAGE(STATUS "ecCodes couldn't be found. Disabling GRIB file loading.")
endif()
get_target_property(SGL_INTERFACE_COMPILE_DEFINITIONS sgl INTERFACE_COMPILE_DEFINITIONS)
if (NOT "SUPPORT_VULKAN" IN_LIST SGL_INTERFACE_COMPILE_DEFINITIONS)
message(FATAL_ERROR "sgl was not built with Vulkan support enabled.")
endif()
if(VCPKG_TOOLCHAIN AND NOT ${VCPKG_EXTERNAL_EMBREE})
find_package(TBB QUIET)
endif()
find_package(embree QUIET)
if(embree_FOUND)
if (MSYS OR MINGW)
# Embree version 3.12.1-2 shipped by msys2 seems to be buggy and crashes on rtcCommitScene :(
if (${embree_VERSION} VERSION_GREATER_EQUAL "4.0.0" AND ${embree_VERSION} VERSION_LESS "5.0.0")
set(USE_EMBREE ON)
endif()
else()
if (${embree_VERSION} VERSION_LESS "5.0.0")
set(USE_EMBREE ON)
endif()
endif()
endif()
if(USE_EMBREE)
MESSAGE(STATUS "Found Embree. Using Embree ${embree_VERSION} as as a ray-mesh intersection library for RTAO pre-baking.")
else()
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/AmbientOcclusion/EmbreeAmbientOcclusionBaker.cpp)
MESSAGE(STATUS "Embree couldn't be found. Disabling Embree RTAO pre-baking support.")
endif()
if(USE_EMBREE)
find_package(ospray QUIET)
if(ospray_FOUND)
MESSAGE(STATUS "Found OSPRay. Enabling CPU ray tracing using OSPRay.")
endif()
endif()
if(NOT USE_EMBREE OR NOT ospray_FOUND)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Ospray/OsprayRenderer.cpp)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Ospray/OsprayRenderer.hpp)
MESSAGE(STATUS "OSPRay couldn't be found. Disabling CPU ray tracing.")
endif()
if (${SUPPORT_PYTORCH_DENOISER})
find_package(Torch QUIET)
endif()
if (${SUPPORT_PYTORCH_DENOISER} AND NOT Torch_FOUND)
MESSAGE(STATUS "The PyTorch denoiser build was enabled, but PyTorch couldn't be found. Disabling PyTorch support.")
endif()
if ("SUPPORT_CUDA_INTEROP" IN_LIST SGL_INTERFACE_COMPILE_DEFINITIONS)
if (NOT OptiX_INSTALL_DIR)
if (WIN32 AND NOT OptiX_INSTALL_DIR)
file(GLOB OPTIX_DIR_LIST "C:/ProgramData/NVIDIA Corporation/OptiX*")
if (OPTIX_DIR_LIST)
list(LENGTH OPTIX_DIR_LIST OPTIX_DIR_LIST_LEN)
math(EXPR OPTIX_DIR_LIST_LAST "${OPTIX_DIR_LIST_LEN} - 1")
list(GET OPTIX_DIR_LIST ${OPTIX_DIR_LIST_LAST} OPTIX_DIR)
endif()
else()
file(GLOB OPTIX_DIR_LIST "$ENV{HOME}/nvidia/NVIDIA-OptiX-SDK*")
if (OPTIX_DIR_LIST)
list(LENGTH OPTIX_DIR_LIST OPTIX_DIR_LIST_LEN)
math(EXPR OPTIX_DIR_LIST_LAST "${OPTIX_DIR_LIST_LEN} - 1")
list(GET OPTIX_DIR_LIST ${OPTIX_DIR_LIST_LAST} OPTIX_DIR)
endif()
endif()
if (OPTIX_DIR)
set(OptiX_INSTALL_DIR "${OPTIX_DIR}" CACHE PATH "Path to OptiX installation.")
endif()
endif()
if (OptiX_INSTALL_DIR)
list(APPEND CMAKE_MODULE_PATH ${OptiX_INSTALL_DIR}/SDK/CMake)
endif()
find_package(OptiX QUIET)
if (OptiX_FOUND OR OptiX_INCLUDE)
set(SUPPORT_OPTIX ON)
MESSAGE(STATUS "NVIDIA OptiX found. Enabling OptiX denoiser support.")
MESSAGE(STATUS "OptiX_INSTALL_DIR: " ${OptiX_INSTALL_DIR})
else()
MESSAGE(STATUS "OptiX couldn't be found. Disabling OptiX denoiser support.")
endif()
else()
MESSAGE(STATUS "sgl was not built with CUDA interoperability support. Disabling OptiX denoiser support.")
endif()
if (NOT SUPPORT_OPTIX)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/Denoiser/OptixVptDenoiser.hpp)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/Denoiser/OptixVptDenoiser.cpp)
endif()
find_package(OpenImageDenoise QUIET)
if (OpenImageDenoise_FOUND)
MESSAGE(STATUS "OpenImageDenoise ${OpenImageDenoise_VERSION} found. Enabling OpenImageDenoise support.")
else()
MESSAGE(STATUS "OpenImageDenoise not found. Disabling OpenImageDenoise support.")
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/Denoiser/OpenImageDenoiseDenoiser.hpp)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/Denoiser/OpenImageDenoiseDenoiser.cpp)
endif()
find_package(Imath CONFIG QUIET)
if (NOT TARGET Imath::Imath)
find_package(IlmBase CONFIG QUIET)
endif()
find_package(OpenEXR CONFIG QUIET)
if (NOT OpenEXR_FOUND AND NOT Imath_FOUND AND UNIX AND NOT APPLE)
set(USE_OPENEXR_PKGCONFIG TRUE)
pkg_check_modules(OpenEXR OpenEXR QUIET)
pkg_check_modules(IlmBase IlmBase QUIET)
else()
set(USE_OPENEXR_PKGCONFIG FALSE)
endif()
if (OpenEXR_FOUND AND (Imath_FOUND OR IlmBase_FOUND))
if (${OpenEXR_VERSION} VERSION_LESS "2.3.0")
MESSAGE(STATUS "Found OpenEXR version ${OpenEXR_VERSION} is too old. Please upgrade to version >= 2.3.0.")
else()
MESSAGE(STATUS "Found OpenEXR ${OpenEXR_VERSION}. Enabling OpenEXR image loading support.")
set(SUPPORT_OPENEXR true)
endif()
else()
MESSAGE(STATUS "OpenEXR not found. Disabling OpenEXR image loading support.")
endif()
if (NOT SUPPORT_OPENEXR)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/PathTracer/OpenExrLoader.cpp)
if (USE_GTEST)
list(REMOVE_ITEM GTEST_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/PathTracer/OpenExrLoader.cpp)
endif()
endif()
if (NOT ${SUPPORT_PYTORCH_DENOISER} OR NOT Torch_FOUND)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/Denoiser/PyTorchDenoiser.hpp)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/Denoiser/PyTorchDenoiser.cpp)
endif()
if(WIN32)
add_executable(LineVis WIN32 ${SOURCES} ${CMAKE_CURRENT_SOURCE_DIR}/CMake/winres.rc)
elseif(APPLE)
add_executable(LineVis MACOSX_BUNDLE ${SOURCES})
else()
add_executable(LineVis ${SOURCES})
endif()
if(${USE_STATIC_STD_LIBRARIES})
target_link_options(LineVis PRIVATE -static-libgcc -static-libstdc++)
endif()
if (VCPKG_TOOLCHAIN AND UNIX AND NOT APPLE AND CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND ${CMAKE_VERSION} VERSION_GREATER "3.12"
AND "SGL_STATIC_LIBRARY" IN_LIST SGL_INTERFACE_COMPILE_DEFINITIONS)
#target_link_options(LineVis PRIVATE "LINKER:--version-script=${CMAKE_CURRENT_SOURCE_DIR}/CMake/symbols_linux_gcc.map")
target_link_options(LineVis PRIVATE "-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/CMake/symbols_linux_gcc.map")
endif()
if (APPLE)
set(BUNDLE_PATH ${CMAKE_CURRENT_BINARY_DIR}/LineVis.app)
set_target_properties(
LineVis PROPERTIES
OUTPUT_NAME "LineVis"
MACOSX_BUNDLE_EXECUTABLE_NAME "LineVis"
MACOSX_BUNDLE_BUNDLE_NAME "LineVis"
FOLDER "LineVis"
MACOSX_BUNDLE_SHORT_VERSION_STRING ""
MACOSX_BUNDLE_LONG_VERSION_STRING ""
MACOSX_BUNDLE_INFO_PLIST "${CMAKE_CURRENT_SOURCE_DIR}/CMake/MacOSXBundleInfo.plist.in")
endif()
if (USE_GTEST)
include(GoogleTest)
enable_testing()
add_executable(LineVis_test ${GTEST_SOURCES})
target_link_libraries(LineVis_test PRIVATE gtest gtest_main)
target_link_libraries(LineVis_test PRIVATE sgl)
target_include_directories(LineVis_test PRIVATE ${sgl_INCLUDES})
gtest_add_tests(TARGET LineVis_test)
endif()
# Hide console window in release build on Windows/MSVC.
# See: https://gitlab.kitware.com/cmake/community/-/wikis/doc/cmake/recipe/VSConfigSpecificSettings
if(MSVC)
set_target_properties(LineVis PROPERTIES LINK_FLAGS_DEBUG "/SUBSYSTEM:CONSOLE")
set_target_properties(LineVis PROPERTIES COMPILE_DEFINITIONS_DEBUG "_CONSOLE")
set_target_properties(LineVis PROPERTIES LINK_FLAGS_RELWITHDEBINFO "/SUBSYSTEM:CONSOLE")
set_target_properties(LineVis PROPERTIES COMPILE_DEFINITIONS_RELWITHDEBINFO "_CONSOLE")
set_target_properties(LineVis PROPERTIES LINK_FLAGS_RELEASE "/SUBSYSTEM:WINDOWS")
set_target_properties(LineVis PROPERTIES LINK_FLAGS_MINSIZEREL "/SUBSYSTEM:WINDOWS")
endif()
if(MSVC)
#target_compile_definitions(LineVis PRIVATE /wd4251)
set_target_properties(LineVis PROPERTIES COMPILE_FLAGS "/wd4251")
target_compile_options(LineVis PRIVATE "/MP")
# Disable external warnings generated by NanoVDB.
target_compile_options(LineVis PRIVATE /experimental:external /external:W0)
target_compile_options(LineVis PRIVATE /external:I ${CMAKE_CURRENT_SOURCE_DIR}/src/Renderers/Scattering/nanovdb)
endif()
add_subdirectory(submodules/IsosurfaceCpp)
if("TRACY_ENABLE" IN_LIST SGL_INTERFACE_COMPILE_DEFINITIONS)
target_compile_definitions(IsosurfaceCpp PUBLIC TRACY_ENABLE)
target_compile_definitions(IsosurfaceCpp PUBLIC TRACY_IMPORTS)
target_include_directories(IsosurfaceCpp PUBLIC $<TARGET_PROPERTY:sgl,INTERFACE_INCLUDE_DIRECTORIES>)
endif()
target_link_libraries(LineVis PRIVATE IsosurfaceCpp)
target_include_directories(LineVis PRIVATE submodules)
add_subdirectory(submodules/bvh)
target_link_libraries(LineVis PRIVATE bvh)
if (NOT MSVC)
if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
target_compile_definitions(LineVis PRIVATE NDEBUG)
endif()
endif()
if(MSYS OR MINGW OR (${CMAKE_GENERATOR} STREQUAL "MinGW Makefiles") OR (${CMAKE_GENERATOR} STREQUAL "MSYS Makefiles"))
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -mconsole")
else()
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -mwindows")
endif()
target_link_libraries(LineVis PUBLIC mingw32)
endif()
if ("SUPPORT_SDL2" IN_LIST SGL_INTERFACE_COMPILE_DEFINITIONS)
if (VCPKG_TOOLCHAIN)
target_link_libraries(LineVis PUBLIC SDL2::SDL2main)
else()
target_link_libraries(LineVis PUBLIC SDL2::Main)
endif()
endif()
if ("SUPPORT_SDL3" IN_LIST SGL_INTERFACE_COMPILE_DEFINITIONS)
if(TARGET SDL3::SDL3-static)
target_link_libraries(LineVis PRIVATE SDL3::SDL3-static)
else()
target_link_libraries(LineVis PRIVATE SDL3::SDL3)
endif()
endif()
target_link_libraries(LineVis PRIVATE sgl)
target_include_directories(LineVis PRIVATE ${sgl_INCLUDES})
if(VCPKG_TOOLCHAIN)
target_link_libraries(LineVis PRIVATE tinyxml2::tinyxml2 netCDF::netcdf)
else()
target_link_libraries(LineVis PRIVATE ${TINYXML2_LIBRARIES} ${NETCDF_LIBRARIES})
target_include_directories(LineVis PRIVATE ${NETCDF_INCLUDE_DIR})
endif()
target_include_directories(LineVis PRIVATE ${sgl_INCLUDES} ${TINYXML2_INCLUDE_DIR})
if (eccodes_FOUND)
MESSAGE(STATUS "Found ecCodes ${eccodes_VERSION}. Enabling GRIB file loading support.")
target_link_libraries(LineVis PRIVATE ${eccodes_LIBRARIES} eccodes)
target_include_directories(LineVis PRIVATE ${eccodes_INCLUDE_DIR})
target_compile_definitions(LineVis PRIVATE USE_ECCODES)
endif()
if (JSONCPP_LIBRARIES)
target_link_libraries(LineVis PRIVATE ${JSONCPP_LIBRARIES})
target_link_directories(LineVis PRIVATE ${JSONCPP_LIBRARY_DIRS})
target_include_directories(LineVis PRIVATE ${JSONCPP_INCLUDE_DIRS})
if (USE_GTEST)
target_link_libraries(LineVis_test PRIVATE ${JSONCPP_LIBRARIES})
target_link_directories(LineVis_test PRIVATE ${JSONCPP_LIBRARY_DIRS})
target_include_directories(LineVis_test PRIVATE ${JSONCPP_INCLUDE_DIRS})
endif()
endif()
if (TARGET jsoncpp_lib)
get_target_property(jsoncpp_INCLUDES jsoncpp_lib INTERFACE_INCLUDE_DIRECTORIES)
target_link_libraries(LineVis PRIVATE jsoncpp_lib)
if (USE_GTEST)
target_link_libraries(LineVis_test PRIVATE jsoncpp_lib)
endif()
elseif(TARGET jsoncpp_static)
get_target_property(jsoncpp_INCLUDES jsoncpp_static INTERFACE_INCLUDE_DIRECTORIES)
target_link_libraries(LineVis PRIVATE jsoncpp_static)
if (USE_GTEST)
target_link_libraries(LineVis_test PRIVATE jsoncpp_static)
endif()
endif()
if (TARGET jsoncpp_object)
target_link_libraries(LineVis PRIVATE jsoncpp_object)
if (USE_GTEST)
target_link_libraries(LineVis_test PRIVATE jsoncpp_object)
endif()
endif()
target_include_directories(LineVis PRIVATE ${jsoncpp_INCLUDES})
if (USE_GTEST)
target_include_directories(LineVis_test PRIVATE ${jsoncpp_INCLUDES})
endif()
if(VCPKG_TOOLCHAIN)
find_package(cppzmq CONFIG QUIET)
else()
find_package(cppzmq QUIET)
endif()
if (${cppzmq_FOUND})
target_link_libraries(LineVis PRIVATE cppzmq)
if (${CMAKE_VERSION} VERSION_LESS "3.12")
target_compile_definitions(LineVis PRIVATE USE_ZEROMQ)
else()
add_compile_definitions(USE_ZEROMQ)
endif()
else()
# https://stackoverflow.com/questions/41251474/how-to-import-zeromq-libraries-in-cmake/41252437
pkg_check_modules(PC_ZeroMQ QUIET zmq)
#if (${PC_ZeroMQ_FOUND})
find_path(ZeroMQ_INCLUDE_DIRS NAMES zmq.hpp PATHS ${PC_ZeroMQ_INCLUDE_DIRS})
find_library(ZeroMQ_LIBRARIES NAMES zmq PATHS ${PC_ZeroMQ_LIBRARY_DIRS})
target_include_directories(LineVis PRIVATE ${ZeroMQ_INCLUDE_DIRS})
target_link_libraries(LineVis PRIVATE ${ZeroMQ_LIBRARIES})
if (${CMAKE_VERSION} VERSION_LESS "3.12")
target_compile_definitions(LineVis PRIVATE USE_ZEROMQ)
else()
add_compile_definitions(USE_ZEROMQ)
endif()
#endif()
endif()
# Eigen is an optional dependency for eigenvalue solving.
if(VCPKG_TOOLCHAIN)
find_package(Eigen3 CONFIG QUIET)
else()
find_package(Eigen3 QUIET)
endif()
if(Eigen3_FOUND)
if(NOT (EIGEN3_VERSION_STRING LESS 3.3))
target_link_libraries(LineVis PRIVATE Eigen3::Eigen)
else()
target_include_directories(LineVis PRIVATE ${EIGEN3_INCLUDE_DIR})
endif()
target_compile_definitions(LineVis PRIVATE USE_EIGEN)
endif()
if (Python3_FOUND AND USE_PYTHON)
target_compile_definitions(LineVis PRIVATE USE_PYTHON)
if(${CMAKE_VERSION} VERSION_GREATER "3.11")
target_link_libraries(LineVis PRIVATE Python3::Python)
else()
target_link_libraries(LineVis PRIVATE ${Python3_LIBRARIES})
endif()
if(UNIX AND NOT APPLE AND VCPKG_TOOLCHAIN AND ${CMAKE_VERSION} VERSION_GREATER "3.12")
# Python linked statically in this case. See:
# https://stackoverflow.com/questions/67891197/ctypes-cpython-39-x86-64-linux-gnu-so-undefined-symbol-pyfloat-type-in-embedd
if(VCPKG_LIBRARY_LINKAGE STREQUAL "static")
target_link_options(LineVis PRIVATE "-Xlinker")
target_link_options(LineVis PRIVATE "-export-dynamic")
endif()
endif()
target_include_directories(LineVis PRIVATE ${Python3_INCLUDE_DIRS})
# Add default PYTHONHOME path for vcpkg if no environment variable is set.
if(DEFINED ENV{PYTHONHOME})
set(PYTHONHOME "$ENV{PYTHONHOME}")
endif()
if(VCPKG_TOOLCHAIN AND (NOT APPLE OR NOT PYTHONHOME))
if(NOT DEFINED ENV{PYTHONHOME})
find_path(PYTHONHOME_PATH tools/python3 HINTS ${PYTHONHOME_PATH})
if (MSVC)
set(PYTHONHOME "${PYTHONHOME_PATH}/tools/python3")
else()
set(PYTHONHOME "${PYTHONHOME_PATH}")
endif()
endif()
endif()
if (PYTHONHOME)
if (NOT PYTHONPATH AND (APPLE OR MSYS OR MINGW))
set(PYTHONPATH "${PYTHONHOME}/lib/python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}")
endif()
set(PYTHONHOME "${PYTHONHOME}" CACHE STRING "PYTHONHOME path.")
target_compile_definitions(LineVis PRIVATE PYTHONHOME=L\"${PYTHONHOME}\")
endif()
if (PYTHONPATH)
set(PYTHONPATH "${PYTHONPATH}" CACHE STRING "PYTHONPATH path.")
target_compile_definitions(LineVis PRIVATE PYTHONPATH=L\"${PYTHONPATH}\")
endif()
endif()
# sgl provides Vulkan headers in its interface, which are provided if Vulkan was not found during its build.
find_package(Vulkan QUIET)
if (${Vulkan_FOUND} AND NOT "USE_SGL_VULKAN_HEADERS" IN_LIST SGL_INTERFACE_COMPILE_DEFINITIONS
AND ${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.21.0")
target_link_libraries(LineVis PUBLIC Vulkan::Headers)
if (USE_GTEST)
target_link_libraries(LineVis_test PUBLIC Vulkan::Headers)
endif()
endif()
if(USE_EMBREE)
if(VCPKG_TOOLCHAIN)
target_link_libraries(LineVis PRIVATE embree)
else()
target_link_libraries(LineVis PRIVATE ${EMBREE_LIBRARIES})
endif()
target_include_directories(LineVis PRIVATE ${EMBREE_INCLUDE_DIRS})
target_compile_definitions(LineVis PRIVATE USE_EMBREE)
endif()
if(ospray_FOUND)
target_link_libraries(LineVis PRIVATE ospray::ospray)
target_include_directories(LineVis PRIVATE ${OSPRAY_INCLUDE_DIRS})
target_compile_definitions(LineVis PRIVATE USE_OSPRAY)
endif()
if (${SUPPORT_PYTORCH_DENOISER} AND Torch_FOUND)
target_link_libraries(LineVis PRIVATE ${TORCH_LIBRARIES})
target_include_directories(LineVis PRIVATE ${TORCH_INCLUDE_DIR})
target_compile_definitions(LineVis PRIVATE SUPPORT_PYTORCH_DENOISER)
endif()
if (${SUPPORT_OPTIX})
set(CMAKE_MODULE_PATH ${OptiX_INSTALL_DIR}/SDK/CMake ${CMAKE_MODULE_PATH})
find_package(OptiX QUIET)
if (OptiX_FOUND OR OptiX_INCLUDE)
target_compile_definitions(LineVis PRIVATE SUPPORT_OPTIX)
target_include_directories(LineVis PRIVATE ${OptiX_INCLUDE})
if(UNIX AND NOT APPLE)
target_link_libraries(LineVis PRIVATE dl)
endif()
if (MSYS OR MINGW)
# GetProcAddress in optix_stubs.h performs no function pointer conversion.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fpermissive")
# Compensate for "#pragma comment(lib, "Cfgmgr32.lib")" not working with MinGW.
target_link_libraries(LineVis PRIVATE cfgmgr32)
endif()
endif()
endif()
if (OpenImageDenoise_FOUND)
target_link_libraries(LineVis PRIVATE OpenImageDenoise)
target_compile_definitions(LineVis PRIVATE SUPPORT_OPEN_IMAGE_DENOISE)
endif()
if (SUPPORT_OPENEXR)
if (${USE_OPENEXR_PKGCONFIG})
if (OpenEXR_FOUND)
target_link_libraries(LineVis PRIVATE ${OpenEXR_LIBRARIES})
if (USE_GTEST)
target_link_libraries(LineVis_test PRIVATE ${OpenEXR_LIBRARIES})
endif()
endif()
if (IlmBase_FOUND)
target_link_libraries(LineVis PRIVATE ${IlmBase_LIBRARIES})
if (USE_GTEST)
target_link_libraries(LineVis_test PRIVATE ${IlmBase_LIBRARIES})
endif()
endif()
else()
target_link_libraries(
LineVis PRIVATE
# For OpenEXR/Imath 3.x:
$<$<TARGET_EXISTS:OpenEXR::OpenEXR>:OpenEXR::OpenEXR>
$<$<TARGET_EXISTS:Imath::Imath>:Imath::Imath>
$<$<TARGET_EXISTS:Imath::Half>:Imath::Half>
# For OpenEXR 2.4/2.5:
$<$<TARGET_EXISTS:OpenEXR::IlmImf>:OpenEXR::IlmImf>
$<$<TARGET_EXISTS:IlmBase::Imath>:IlmBase::Imath>
$<$<TARGET_EXISTS:IlmBase::Half>:IlmBase::Half>
$<$<TARGET_EXISTS:IlmBase::IlmThread>:IlmBase::IlmThread>
$<$<TARGET_EXISTS:IlmBase::Iex>:IlmBase::Iex>
)
if (USE_GTEST)
target_link_libraries(
LineVis_test PRIVATE
# For OpenEXR/Imath 3.x:
$<$<TARGET_EXISTS:OpenEXR::OpenEXR>:OpenEXR::OpenEXR>
$<$<TARGET_EXISTS:Imath::Imath>:Imath::Imath>
$<$<TARGET_EXISTS:Imath::Half>:Imath::Half>
# For OpenEXR 2.4/2.5:
$<$<TARGET_EXISTS:OpenEXR::IlmImf>:OpenEXR::IlmImf>
$<$<TARGET_EXISTS:IlmBase::Imath>:IlmBase::Imath>
$<$<TARGET_EXISTS:IlmBase::Half>:IlmBase::Half>
$<$<TARGET_EXISTS:IlmBase::IlmThread>:IlmBase::IlmThread>
$<$<TARGET_EXISTS:IlmBase::Iex>:IlmBase::Iex>
)
endif()
endif()
target_compile_definitions(LineVis PRIVATE SUPPORT_OPENEXR)
if (USE_GTEST)
target_compile_definitions(LineVis_test PRIVATE SUPPORT_OPENEXR)
endif()
endif()
if (${USE_TBB})
find_package(TBB REQUIRED)
target_link_libraries(LineVis PRIVATE TBB::tbb)
target_compile_definitions(LineVis PRIVATE USE_TBB)
if (USE_GTEST)
target_link_libraries(LineVis_test PRIVATE TBB::tbb)
target_compile_definitions(LineVis_test PRIVATE USE_TBB)
endif()
else()
# According to https://devblogs.microsoft.com/cppblog/improved-openmp-support-for-cpp-in-visual-studio/,
# support for LLVM OpenMP was added with Visual Studio 2019 version 16.9. According to
# https://docs.microsoft.com/en-us/cpp/preprocessor/predefined-macros?view=msvc-170,
# both Visual Studio 2019 version 16.8 and 16.9 have _MSC_VER / MSVC_VERSION 1928, so we need to check
# for a minimum version 1929.
if (APPLE)
# There are some problems with Homebrew OpenMP as of 2022-10-20.
find_package(OpenMP QUIET)
if (OpenMP_FOUND)
MESSAGE(STATUS "Found OpenMP version ${OpenMP_CXX_VERSION}. Enabling OpenMP threading support.")
else()
MESSAGE(STATUS "OpenMP not found. Disabling OpenMP threading support.")
endif()
else()
find_package(OpenMP REQUIRED)
endif()
if(OpenMP_FOUND)
if(MSVC)
option(USE_MSVC_OPENMP_LLVM "Use LLVM OpenMP with MSVC (available since Visual Studio 2019 version 16.9)." ON)
option(USE_MSVC_OPENMP_EXPERIMENTAL "Use experimental OpenMP with MSVC (available since Visual Studio 2019 version 16.9)." ON)
if(${MSVC_VERSION} GREATER_EQUAL 1929 AND (USE_MSVC_OPENMP_LLVM OR USE_MSVC_OPENMP_EXPERIMENTAL))
define_property(
SOURCE
PROPERTY COMPILE_FLAGS
INHERITED
BRIEF_DOCS "brief-doc"
FULL_DOCS "full-doc"
)
if(USE_MSVC_OPENMP_LLVM)
#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /openmp:llvm")
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /openmp:llvm")
set_directory_properties(PROPERTIES COMPILE_FLAGS "/openmp:llvm")
endif()
if(USE_MSVC_OPENMP_EXPERIMENTAL)
#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /openmp:experimental")
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /openmp:experimental")
set_directory_properties(PROPERTIES COMPILE_FLAGS "/openmp:experimental")
endif()
if(USE_MSVC_OPENMP_LLVM AND USE_MSVC_OPENMP_EXPERIMENTAL)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /w44005")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /w44005")
endif()
set_source_files_properties("${CMAKE_CURRENT_SOURCE_DIR}/src/LineData/TrianglePayload/NodesBVHTreePayload.cpp" PROPERTIES COMPILE_FLAGS "")
set_source_files_properties("${CMAKE_CURRENT_SOURCE_DIR}/CMake/winres.rc" PROPERTIES COMPILE_FLAGS "")
endif()
elseif(NOT TARGET OpenMP::OpenMP_CXX)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
else()
target_link_libraries(LineVis PUBLIC OpenMP::OpenMP_CXX)
if (USE_GTEST)
target_link_libraries(LineVis_test PUBLIC OpenMP::OpenMP_CXX)
endif()
endif()
endif()
endif()