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CMakeLists.txt
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cmake_minimum_required (VERSION 3.7)
cmake_policy(VERSION 3.7...3.20)
project(CloudRendering)
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)
file(GLOB_RECURSE PYTORCH_MODULE_SOURCES src/PyTorch/*.cpp src/PyTorch/*.c src/PyTorch/*.hpp src/PyTorch/*.h)
file(GLOB_RECURSE PYTORCH_MODULE_SOURCES_CUDA src/PyTorch/*.cu src/PyTorch/*.cuh)
include_directories(src)
foreach(SOURCE_FILE ${PYTORCH_MODULE_SOURCES})
list(REMOVE_ITEM SOURCES ${SOURCE_FILE})
endforeach()
file(GLOB_RECURSE SHADER_FILES Data/Shaders/*.glsl)
source_group(TREE "${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 "${CMAKE_CXX_FLAGS} -Wall")
endif()
if(VCPKG_TOOLCHAIN)
if(EXISTS "${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_TBB "Build with TBB threading support instead of using OpenMP." ${DEFAULT_USE_TBB})
option(SUPPORT_PYTORCH_DENOISER "Build the PyTorch module." OFF)
option(BUILD_PYTORCH_MODULE "Build the PyTorch module." OFF)
option(BUILD_KPN_MODULE "Build the KPN (kernel prediction network) module." OFF)
set(DATA_PATH "${CMAKE_SOURCE_DIR}/Data" CACHE PATH "Location of folder 'Data'")
add_definitions(-DDATA_PATH=\"${DATA_PATH}\")
set(
VPT_SOURCES
${CMAKE_CURRENT_SOURCE_DIR}/src/CloudData.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/MomentUtils.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/PathTracer/VolumetricPathTracingPass.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/PathTracer/SuperVoxelGrid.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/PathTracer/OpenExrLoader.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/Denoiser/Denoiser.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/Denoiser/EAWDenoiser.cpp
)
if (${USE_GTEST})
set(
GTEST_SOURCES
${CMAKE_CURRENT_SOURCE_DIR}/test/VolumetricPathTracingTestData.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/VolumetricPathTracingTestRenderer.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/TestVolumetricPathTracing.cpp
)
endif()
if ((UNIX OR MSYS) AND (NOT APPLE OR NOT VCPKG_TOOLCHAIN))
find_package(PkgConfig REQUIRED)
endif()
set(FPHSA_NAME_MISMATCHED TRUE)
if(VCPKG_TOOLCHAIN)
find_package(SDL2 CONFIG REQUIRED)
else()
find_package(SDL2 REQUIRED)
endif()
find_package(sgl REQUIRED)
find_package(Boost COMPONENTS system filesystem REQUIRED)
set(FPHSA_NAME_MISMATCHED TRUE)
if(VCPKG_TOOLCHAIN)
find_package(tinyxml2 CONFIG REQUIRED)
find_package(jsoncpp CONFIG REQUIRED)
else()
find_package(TinyXML2 REQUIRED)
find_package(jsoncpp QUIET)
if (NOT jsoncpp_FOUND)
pkg_check_modules(JSONCPP jsoncpp)
endif()
endif()
get_target_property(SGL_INTERFACE_COMPILE_DEFINITIONS sgl INTERFACE_COMPILE_DEFINITIONS)
if ("SUPPORT_VULKAN" IN_LIST SGL_INTERFACE_COMPILE_DEFINITIONS)
set(SUPPORT_VULKAN ON)
endif()
if (${BUILD_PYTORCH_MODULE} OR ${BUILD_KPN_MODULE} OR ${SUPPORT_PYTORCH_DENOISER})
if ("SUPPORT_CUDA_INTEROP" IN_LIST SGL_INTERFACE_COMPILE_DEFINITIONS)
if(${CMAKE_VERSION} VERSION_LESS "3.18.0")
# https://cmake.org/cmake/help/git-stage/module/FindCUDA.html
find_package(CUDA)
else()
# https://cmake.org/cmake/help/git-stage/module/FindCUDAToolkit.html
find_package(CUDAToolkit)
endif()
else()
MESSAGE(STATUS "sgl was not built with CUDA interoperability support. Disabling PyTorch module CUDA support.")
endif()
if(CUDAToolkit_FOUND OR CUDA_FOUND)
#find_package(CUDNN)
#if(CUDNN_FOUND)
# set(CAFFE2_USE_CUDNN 1)
#endif()
set(CAFFE2_USE_CUDNN 1)
endif()
find_package(Torch)
endif()
if ((${BUILD_PYTORCH_MODULE} OR ${BUILD_KPN_MODULE} OR ${SUPPORT_PYTORCH_DENOISER}) AND NOT Torch_FOUND)
MESSAGE(STATUS "The PyTorch module or denoiser build was enabled, but PyTorch couldn't be found. Disabling PyTorch support.")
endif()
if ("SUPPORT_CUDA_INTEROP" IN_LIST SGL_INTERFACE_COMPILE_DEFINITIONS)
if (NOT OptiX_INSTALL_DIR)
if (WIN32 AND NOT OptiX_INSTALL_DIR)
file(GLOB OPTIX_DIR_LIST "C:/ProgramData/NVIDIA Corporation/OptiX*")
if (OPTIX_DIR_LIST)
list(LENGTH OPTIX_DIR_LIST OPTIX_DIR_LIST_LEN)
math(EXPR OPTIX_DIR_LIST_LAST "${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/Denoiser/OptixVptDenoiser.hpp)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Denoiser/OptixVptDenoiser.cpp)
endif()
find_package(Imath CONFIG QUIET)
if (NOT TARGET Imath::Imath)
find_package(IlmBase CONFIG QUIET)
endif()
find_package(OpenEXR CONFIG QUIET)
if (NOT OpenEXR_FOUND AND NOT Imath_FOUND AND UNIX AND NOT APPLE)
set(USE_OPENEXR_PKGCONFIG TRUE)
pkg_check_modules(OpenEXR OpenEXR QUIET)
pkg_check_modules(IlmBase IlmBase QUIET)
else()
set(USE_OPENEXR_PKGCONFIG FALSE)
endif()
if (OpenEXR_FOUND AND (Imath_FOUND OR IlmBase_FOUND))
if (${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 "OpenEXR ${OpenEXR_VERSION} found. 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/PathTracer/OpenExrLoader.hpp)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/PathTracer/OpenExrLoader.cpp)
list(REMOVE_ITEM VPT_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/PathTracer/OpenExrLoader.hpp)
list(REMOVE_ITEM VPT_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/PathTracer/OpenExrLoader.cpp)
endif()
if (NOT ${SUPPORT_PYTORCH_DENOISER} OR NOT Torch_FOUND)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Denoiser/PyTorchDenoiser.hpp)
list(REMOVE_ITEM SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Denoiser/PyTorchDenoiser.cpp)
list(REMOVE_ITEM VPT_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Denoiser/PyTorchDenoiser.hpp)
list(REMOVE_ITEM VPT_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/Denoiser/PyTorchDenoiser.cpp)
endif()
if(WIN32)
add_executable(CloudRendering WIN32 ${SOURCES})
elseif(APPLE)
add_executable(CloudRendering MACOSX_BUNDLE ${SOURCES})
else()
add_executable(CloudRendering ${SOURCES})
endif()
if(${USE_STATIC_STD_LIBRARIES})
target_link_options(CloudRendering PRIVATE -static-libgcc -static-libstdc++)
endif()
if (VCPKG_TOOLCHAIN AND UNIX AND NOT APPLE AND CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND ${CMAKE_VERSION} VERSION_GREATER "3.12"
AND "SGL_STATIC_LIBRARY" IN_LIST SGL_INTERFACE_COMPILE_DEFINITIONS)
#target_link_options(CloudRendering PRIVATE "LINKER:--version-script=${CMAKE_CURRENT_SOURCE_DIR}/CMake/symbols_linux_gcc.map")
target_link_options(CloudRendering PRIVATE "-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/CMake/symbols_linux_gcc.map")
endif()
if (APPLE)
set(BUNDLE_PATH ${CMAKE_CURRENT_BINARY_DIR}/CloudRendering.app)
set_target_properties(
CloudRendering PROPERTIES
OUTPUT_NAME "CloudRendering"
MACOSX_BUNDLE_EXECUTABLE_NAME "CloudRendering"
MACOSX_BUNDLE_BUNDLE_NAME "CloudRendering"
FOLDER "CloudRendering"
MACOSX_BUNDLE_SHORT_VERSION_STRING ""
MACOSX_BUNDLE_LONG_VERSION_STRING ""
MACOSX_BUNDLE_INFO_PLIST "${CMAKE_CURRENT_SOURCE_DIR}/CMake/MacOSXBundleInfo.plist.in")
endif()
if (${USE_GTEST})
include(GoogleTest)
enable_testing()
add_executable(CloudRendering_test ${GTEST_SOURCES} ${VPT_SOURCES})
target_link_libraries(CloudRendering_test PRIVATE gtest gtest_main)
target_link_libraries(CloudRendering_test PRIVATE sgl ${Boost_LIBRARIES})
target_include_directories(CloudRendering_test PRIVATE ${sgl_INCLUDES} ${Boost_INCLUDE_DIR})
gtest_add_tests(TARGET CloudRendering_test)
endif()
if (${BUILD_PYTORCH_MODULE} AND Torch_FOUND)
set(PYTORCH_MODULE_ENABLED TRUE)
if(CUDAToolkit_FOUND OR CUDA_FOUND)
add_library(vpt SHARED ${PYTORCH_MODULE_SOURCES} ${PYTORCH_MODULE_SOURCES_CUDA} ${VPT_SOURCES} ${SHADER_FILES})
enable_language(CUDA)
set_target_properties(vpt PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
target_compile_definitions(vpt PRIVATE SUPPORT_CUDA_INTEROP)
else()
add_library(vpt SHARED ${PYTORCH_MODULE_SOURCES} ${VPT_SOURCES} ${SHADER_FILES})
endif()
if(CUDAToolkit_FOUND)
# https://en.wikipedia.org/wiki/CUDA
# https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#compute-capability
if (${CUDAToolkit_VERSION} VERSION_GREATER_EQUAL "11.1")
set_property(TARGET vpt PROPERTY CUDA_ARCHITECTURES 61 75 86)
elseif (${CUDAToolkit_VERSION} VERSION_GREATER_EQUAL "10.0")
set_property(TARGET vpt PROPERTY CUDA_ARCHITECTURES 61 75)
else()
set_property(TARGET vpt PROPERTY CUDA_ARCHITECTURES 61)
endif()
set_target_properties(vpt PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
MESSAGE(STATUS "CUDA toolkit version: " ${CUDAToolkit_VERSION})
endif()
if (WIN32)
set(DLLIMPORT "__declspec(dllimport)")
set(DLLEXPORT "__declspec(dllexport)")
target_compile_definitions(vpt INTERFACE MODULE_OP_API=${DLLIMPORT})
target_compile_definitions(vpt PRIVATE MODULE_OP_API=${DLLEXPORT})
else()
target_compile_definitions(vpt PUBLIC MODULE_OP_API=)
endif()
target_link_libraries(vpt PRIVATE ${TORCH_LIBRARIES})
target_include_directories(vpt PRIVATE ${TORCH_INCLUDE_DIR})
target_link_libraries(vpt PRIVATE sgl ${Boost_LIBRARIES})
target_include_directories(vpt PRIVATE ${sgl_INCLUDES} ${Boost_INCLUDE_DIR})
install(
TARGETS vpt
ARCHIVE DESTINATION modules
LIBRARY DESTINATION modules
RUNTIME DESTINATION bin
)
endif()
if (${SUPPORT_PYTORCH_DENOISER} AND Torch_FOUND)
target_link_libraries(CloudRendering PRIVATE ${TORCH_LIBRARIES})
target_include_directories(CloudRendering PRIVATE ${TORCH_INCLUDE_DIR})
target_compile_definitions(CloudRendering PRIVATE SUPPORT_PYTORCH_DENOISER)
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(CloudRendering PROPERTIES LINK_FLAGS_DEBUG "/SUBSYSTEM:CONSOLE")
set_target_properties(CloudRendering PROPERTIES COMPILE_DEFINITIONS_DEBUG "_CONSOLE")
set_target_properties(CloudRendering PROPERTIES LINK_FLAGS_RELWITHDEBINFO "/SUBSYSTEM:CONSOLE")
set_target_properties(CloudRendering PROPERTIES COMPILE_DEFINITIONS_RELWITHDEBINFO "_CONSOLE")
set_target_properties(CloudRendering PROPERTIES LINK_FLAGS_RELEASE "/SUBSYSTEM:WINDOWS")
set_target_properties(CloudRendering PROPERTIES LINK_FLAGS_MINSIZEREL "/SUBSYSTEM:WINDOWS")
endif()
if(MSVC)
#target_compile_definitions(CloudRendering PRIVATE /wd4251)
set_target_properties(CloudRendering PROPERTIES COMPILE_FLAGS "/wd4251")
# Disable external warnings generated by NanoVDB.
target_compile_options(CloudRendering PRIVATE /experimental:external /external:W0)
target_compile_options(CloudRendering PRIVATE /external:I ${CMAKE_CURRENT_SOURCE_DIR}/src/nanovdb)
endif()
if (${BUILD_KPN_MODULE} AND Torch_FOUND AND (CUDAToolkit_FOUND OR CUDA_FOUND))
add_subdirectory(modules/kpn_module)
if (UNIX AND NOT APPLE)
target_link_libraries(CloudRendering PRIVATE -Wl,--no-as-needed kpn_module)
else()
target_link_libraries(CloudRendering PRIVATE kpn_module)
endif()
target_compile_definitions(CloudRendering PRIVATE USE_KPN_MODULE)
elseif(${BUILD_KPN_MODULE})
MESSAGE(STATUS "Torch or CUDA couldn't be found. Disabling KPN module.")
endif()
if (${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(CloudRendering PRIVATE SUPPORT_OPTIX)
target_include_directories(CloudRendering PRIVATE ${OptiX_INCLUDE})
if(UNIX AND NOT APPLE)
target_link_libraries(CloudRendering PRIVATE dl)
endif()
if (MSYS)
# GetProcAddress in optix_stubs.h performs no function pointer conversion.
set(CMAKE_CXX_FLAGS "${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((${CMAKE_GENERATOR} STREQUAL "MinGW Makefiles") OR (${CMAKE_GENERATOR} STREQUAL "MSYS Makefiles"))
SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -mwindows")
target_link_libraries(CloudRendering PUBLIC mingw32)
endif()
if(VCPKG_TOOLCHAIN)
target_link_libraries(CloudRendering PUBLIC SDL2::SDL2main)
else()
target_link_libraries(CloudRendering PUBLIC SDL2::Main)
endif()
# sgl provides Vulkan headers in its interface, which are provided if Vulkan was not found during its build.
find_package(Vulkan QUIET)
if (${Vulkan_FOUND} AND ${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.21.0")
target_link_libraries(CloudRendering PUBLIC Vulkan::Headers)
if (USE_GTEST)
target_link_libraries(CloudRendering_test PUBLIC Vulkan::Headers)
endif()
endif()
target_link_libraries(CloudRendering PUBLIC sgl ${Boost_LIBRARIES})
include_directories(${sgl_INCLUDES} ${Boost_INCLUDE_DIR})
if(VCPKG_TOOLCHAIN)
target_link_libraries(CloudRendering PRIVATE tinyxml2::tinyxml2)
else()
target_link_libraries(CloudRendering PRIVATE ${TINYXML2_LIBRARIES})
endif()
target_include_directories(CloudRendering PRIVATE ${sgl_INCLUDES} ${TINYXML2_INCLUDE_DIR})
if (JSONCPP_LIBRARIES)
target_link_libraries(CloudRendering PRIVATE ${JSONCPP_LIBRARIES})
target_link_directories(CloudRendering PRIVATE ${JSONCPP_LIBRARY_DIRS})
target_include_directories(CloudRendering PRIVATE ${JSONCPP_INCLUDE_DIRS})
if (${USE_GTEST})
target_link_libraries(CloudRendering_test PRIVATE ${JSONCPP_LIBRARIES})
target_link_directories(CloudRendering_test PRIVATE ${JSONCPP_LIBRARY_DIRS})
target_include_directories(CloudRendering_test PRIVATE ${JSONCPP_INCLUDE_DIRS})
endif()
if (${PYTORCH_MODULE_ENABLED})
target_link_libraries(vpt PRIVATE ${JSONCPP_LIBRARIES})
target_link_directories(vpt PRIVATE ${JSONCPP_LIBRARY_DIRS})
target_include_directories(vpt PRIVATE ${JSONCPP_INCLUDE_DIRS})
endif()
endif()
if (TARGET jsoncpp_lib)
get_target_property(jsoncpp_INCLUDES jsoncpp_lib INTERFACE_INCLUDE_DIRECTORIES)
target_link_libraries(CloudRendering PRIVATE jsoncpp_lib)
if (${USE_GTEST})
target_link_libraries(CloudRendering_test PRIVATE jsoncpp_lib)
endif()
if (${PYTORCH_MODULE_ENABLED})
target_link_libraries(vpt PRIVATE jsoncpp_lib)
endif()
elseif(TARGET jsoncpp_static)
get_target_property(jsoncpp_INCLUDES jsoncpp_static INTERFACE_INCLUDE_DIRECTORIES)
target_link_libraries(CloudRendering PRIVATE jsoncpp_static)
if (${USE_GTEST})
target_link_libraries(CloudRendering_test PRIVATE jsoncpp_static)
endif()
if (${PYTORCH_MODULE_ENABLED})
target_link_libraries(vpt PRIVATE jsoncpp_static)
endif()
endif()
if (TARGET jsoncpp_object)
target_link_libraries(CloudRendering PRIVATE jsoncpp_object)
if (${USE_GTEST})
target_link_libraries(CloudRendering_test PRIVATE jsoncpp_object)
endif()
if (${PYTORCH_MODULE_ENABLED})
target_link_libraries(vpt PRIVATE jsoncpp_object)
endif()
endif()
target_include_directories(CloudRendering PRIVATE ${jsoncpp_INCLUDES})
if (${USE_GTEST})
target_include_directories(CloudRendering_test PRIVATE ${jsoncpp_INCLUDES})
endif()
if (${PYTORCH_MODULE_ENABLED})
target_include_directories(vpt PRIVATE ${jsoncpp_INCLUDES})
endif()
if (SUPPORT_OPENEXR)
if (${USE_OPENEXR_PKGCONFIG})
if (OpenEXR_FOUND)
target_link_libraries(CloudRendering PRIVATE ${OpenEXR_LIBRARIES})
if (${USE_GTEST})
target_link_libraries(CloudRendering_test PRIVATE ${OpenEXR_LIBRARIES})
endif()
if (${PYTORCH_MODULE_ENABLED})
target_link_libraries(vpt PRIVATE ${OpenEXR_LIBRARIES})
endif()
endif()
if (IlmBase_FOUND)
target_link_libraries(CloudRendering PRIVATE ${IlmBase_LIBRARIES})
if (${USE_GTEST})
target_link_libraries(CloudRendering_test PRIVATE ${IlmBase_LIBRARIES})
endif()
if (${PYTORCH_MODULE_ENABLED})
target_link_libraries(vpt PRIVATE ${IlmBase_LIBRARIES})
endif()
endif()
else()
target_link_libraries(
CloudRendering 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(
CloudRendering_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()
if (${PYTORCH_MODULE_ENABLED})
target_link_libraries(
vpt 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(CloudRendering PRIVATE SUPPORT_OPENEXR)
if (${USE_GTEST})
target_compile_definitions(CloudRendering_test PRIVATE SUPPORT_OPENEXR)
endif()
if (${PYTORCH_MODULE_ENABLED})
target_compile_definitions(vpt PRIVATE SUPPORT_OPENEXR)
endif()
endif()
if (${USE_TBB})
find_package(TBB REQUIRED)
target_link_libraries(CloudRendering PRIVATE TBB::tbb)
target_compile_definitions(CloudRendering PRIVATE USE_TBB)
if (USE_GTEST)
target_link_libraries(CloudRendering_test PRIVATE TBB::tbb)
target_compile_definitions(CloudRendering_test PRIVATE USE_TBB)
endif()
if (${PYTORCH_MODULE_ENABLED})
target_link_libraries(vpt PRIVATE TBB::tbb)
target_compile_definitions(vpt 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))
if(USE_MSVC_OPENMP_LLVM)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /openmp:llvm")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_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")
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()
endif()
else()
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}")
endif()
endif()
endif()