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CMakeLists.txt
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# pbrt-v4 top-level CMakeLists.txt
cmake_minimum_required (VERSION 3.12)
project (PBRT-V4 LANGUAGES CXX C)
set (CMAKE_CXX_STANDARD 17)
set (CMAKE_CXX_STANDARD_REQUIRED ON)
# For sanitizers
list (INSERT CMAKE_MODULE_PATH 0 "${CMAKE_SOURCE_DIR}/cmake")
# Configuration options
option (PBRT_FLOAT_AS_DOUBLE "Use 64-bit floats" OFF)
option (PBRT_BUILD_NATIVE_EXECUTABLE "Build executable optimized for CPU architecture of system pbrt was built on" ON)
option (PBRT_DBG_LOGGING "Enable (very verbose!) debug logging" OFF)
option (PBRT_NVTX "Insert NVTX annotations for NVIDIA Profiling and Debugging Tools" OFF)
option (PBRT_NVML "Use NVML for GPU performance measurement" OFF)
option (PBRT_USE_PREGENERATED_RGB_TO_SPECTRUM_TABLES "Use pregenerated rgbspectrum_*.cpp files rather than running rgb2spec_opt to generate them at build time" OFF)
set (PBRT_OPTIX7_PATH $ENV{PBRT_OPTIX7_PATH} CACHE PATH "Path to OptiX 7 SDK")
set (PBRT_GPU_SHADER_MODEL "" CACHE STRING "")
if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message (STATUS "Setting build type to 'Release' as none was specified.")
set (CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
set_property (CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
"MinSizeRel" "RelWithDebInfo")
endif ()
function (CHECK_EXT NAME DIR HASH)
if (NOT IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/src/ext/${DIR}")
message (FATAL_ERROR "The ${NAME} submodule directory is missing! "
"Either that submodule was recently added to pbrt or you did not clone the project with --recursive. "
"In order to update the submodules, run:\n"
" \"git submodule update --init --recursive\"")
endif ()
find_package(Git)
if (GIT_FOUND)
execute_process (
COMMAND ${GIT_EXECUTABLE} rev-parse HEAD
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/src/ext/${DIR}"
RESULT_VARIABLE "git_return"
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE "git_hash")
if (NOT ${git_hash} MATCHES "^${HASH}")
message (FATAL_ERROR "The ${CMAKE_CURRENT_SOURCE_DIR}/src/ext/${DIR} "
"submodule isn't up to date (${git_hash} vs ${HASH}). Please run:\n"
" \"git submodule update --recursive\"")
else ()
message (STATUS "${NAME} at commit: ${git_hash}")
endif()
else (GIT_FOUND)
message (STATUS "git not found: unable to verify revisions in submodules")
endif (GIT_FOUND)
endfunction ()
check_ext ("OpenEXR" "openexr/OpenEXR" 5cfb5dab6dfada731586b0281bdb15ee75e26782)
check_ext ("OpenVDB" "openvdb/nanovdb" 414bed84c2fc22e188eac7b611aa85c7edd7a5a9)
check_ext ("Ptex" "ptex/src" 4cd8e9a6db2b06e478dfbbd8c26eb6df97f84483)
check_ext ("double-conversion" "double-conversion/cmake" cc1f75a114aca8d2af69f73a5a959aecbab0e87a)
check_ext ("filesystem" "filesystem/filesystem" c5f9de30142453eb3c6fe991e82dfc2583373116)
check_ext ("glfw" "glfw/docs" 4cb36872a5fe448c205d0b46f0e8c8b57530cfe0)
check_ext ("libdeflate" "libdeflate/common" 1fd0bea6ca2073c68493632dafc4b1ddda1bcbc3)
check_ext ("lodepng" "lodepng/examples" 8c6a9e30576f07bf470ad6f09458a2dcd7a6a84a)
check_ext ("qoi" "qoi" 028c75fd26e5e0758c7c711216c00404994c1ad3)
check_ext ("stb" "stb/tools" af1a5bc352164740c1cc1354942b1c6b72eacb8a)
check_ext ("utf8proc" "utf8proc/bench" 2484e2ed5e1d9c19edcccf392a7d9920ad90dfaf)
check_ext ("zlib" "zlib/doc" 54d591eabf9fe0e84c725638f8d5d8d202a093fa)
add_compile_definitions ("$<$<CONFIG:DEBUG>:PBRT_DEBUG_BUILD>")
enable_testing ()
find_package (Sanitizers)
find_package (Threads)
find_package(OpenGL REQUIRED)
set_property (GLOBAL PROPERTY USE_FOLDERS ON)
if (MSVC)
list (APPEND PBRT_DEFINITIONS "PBRT_IS_MSVC" "_CRT_SECURE_NO_WARNINGS")
list (APPEND PBRT_DEFINITIONS "PBRT_IS_MSVC" "_ENABLE_EXTENDED_ALIGNED_STORAGE")
endif ()
if (PBRT_FLOAT_AS_DOUBLE)
list (APPEND PBRT_DEFINITIONS "PBRT_FLOAT_AS_DOUBLE")
endif ()
if (PBRT_DBG_LOGGING)
list (APPEND PBRT_DEFINITIONS "PBRT_DBG_LOGGING")
endif ()
#######################################
## ext
set (BUILD_SHARED_LIBS OFF)
add_subdirectory (${CMAKE_CURRENT_SOURCE_DIR}/src/ext)
########################################
# os/compiler-specific stuff
if (CMAKE_SYSTEM_NAME STREQUAL Windows)
list (APPEND PBRT_DEFINITIONS "PBRT_IS_WINDOWS" "NOMINMAX")
elseif (CMAKE_SYSTEM_NAME STREQUAL Darwin)
list (APPEND PBRT_DEFINITIONS "PBRT_IS_OSX")
elseif (CMAKE_SYSTEM_NAME STREQUAL Linux)
list (APPEND PBRT_DEFINITIONS "PBRT_IS_LINUX")
# -rdynamic so we can get backtrace symbols...
# --no-as-needed so libprofiler sticks around
string (APPEND CMAKE_EXE_LINKER_FLAGS " -rdynamic -Wl,--no-as-needed")
else ()
message (SEND_ERROR "Unknown system name: " + CMAKE_SYSTEM_NAME)
endif()
# libgoogle-perftools-dev
find_library (PROFILE_LIB profiler)
if (NOT PROFILE_LIB)
message (STATUS "Unable to find -lprofiler")
else ()
message (STATUS "Found -lprofiler: ${PROFILE_LIB}")
endif ()
add_library (pbrt_warnings INTERFACE)
target_compile_options (
pbrt_warnings
INTERFACE
"$<$<CXX_COMPILER_ID:MSVC>:$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcompiler >/wd4244>" # int -> float conversion
"$<$<CXX_COMPILER_ID:MSVC>:$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcompiler >/wd4267>" # size_t -> int conversion
"$<$<CXX_COMPILER_ID:MSVC>:$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcompiler >/wd4305>" # double constant assigned to float
"$<$<CXX_COMPILER_ID:MSVC>:$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcompiler >/wd4552>" # result of expression not used
"$<$<CXX_COMPILER_ID:MSVC>:$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcompiler >/wd4838>" # double -> int conversion
"$<$<CXX_COMPILER_ID:MSVC>:$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcompiler >/wd4843>" # double -> float conversion
"$<$<CXX_COMPILER_ID:MSVC>:$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcompiler >/wd26451>" # arithmetic on 4-byte value, then cast to 8-byte
"$<$<CXX_COMPILER_ID:MSVC>:$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcompiler >/wd26495>" # uninitialized member variable
)
add_library (pbrt_opt INTERFACE)
#########################################
## CUDA / OptiX
add_library (cuda_build_configuration INTERFACE)
include (CheckLanguage)
check_language(CUDA)
if (CMAKE_CUDA_COMPILER)
if (CUDA_VERSION_MAJOR LESS 11)
message (WARNING "pbrt-v4 requires CUDA version 11.0 or later but version ${CUDA_VERSION_MAJOR}.${CUDA_VERSION_MINOR}\
was found. GPU support is therefore disabled. If you have multiple versions\
of CUDA installed, please update your PATH.")
else ()
find_package (CUDA REQUIRED)
# This seems to be necessary starting with 3.17.1, but gives an error
# about 17 being an unsupported version earlier...
if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0")
set (CMAKE_CUDA_STANDARD 17)
endif ()
# https://github.com/VIAME/VIAME/blob/aa6c5f56a898b08e4da102c400b453e23952199c/CMakeLists.txt#L291
if (NOT CUDA_VERSION_PATCH)
if (CUDA_NVCC_EXECUTABLE AND
CUDA_NVCC_EXECUTABLE STREQUAL CMAKE_CUDA_COMPILER AND
CMAKE_CUDA_COMPILER_VERSION MATCHES [=[([0-9]+)\.([0-9]+)\.([0-9]+)]=])
set (CUDA_VERSION_PATCH "${CMAKE_MATCH_3}")
elseif (CUDA_NVCC_EXECUTABLE)
execute_process (COMMAND ${CUDA_NVCC_EXECUTABLE} "--version" OUTPUT_VARIABLE NOUT)
if (NOUT MATCHES [=[ V([0-9]+)\.([0-9]+)\.([0-9]+)]=])
set (CUDA_VERSION_PATCH "${CMAKE_MATCH_3}")
endif ()
endif ()
endif ()
message (STATUS "Found CUDA: ${CUDA_VERSION_MAJOR}.${CUDA_VERSION_MINOR}.${CUDA_VERSION_PATCH}")
if (CUDA_VERSION_MAJOR EQUAL 11 AND CUDA_VERSION_MINOR EQUAL 3 AND CUDA_VERSION_PATCH LESS 109)
message (SEND_ERROR "Unfortunately, pbrt-v4 triggers an internal compiler error in CUDA 11.3.0. Please either use CUDA 11.0-11.2 or 11.3.1 or later.")
endif ()
if ("${PBRT_OPTIX7_PATH}" STREQUAL "")
message (WARNING "Found CUDA but PBRT_OPTIX7_PATH is not set. Disabling GPU compilation.")
else ()
enable_language (CUDA)
list (APPEND PBRT_DEFINITIONS "PBRT_BUILD_GPU_RENDERER")
if (PBRT_NVTX)
list (APPEND PBRT_DEFINITIONS "NVTX")
endif ()
if (PBRT_NVML)
list (APPEND PBRT_DEFINITIONS "PBRT_USE_NVML")
endif ()
set (PBRT_CUDA_ENABLED ON)
# FIXME
include_directories (${CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES}) # for regular c++ compiles
# http://www.ssl.berkeley.edu/~jimm/grizzly_docs/SSL/opt/intel/cc/9.0/lib/locale/en_US/mcpcom.msg
target_compile_options (
pbrt_warnings
INTERFACE
#"$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xptxas --warn-on-double-precision-use>"
"$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcudafe --diag_suppress=partial_override>"
"$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcudafe --diag_suppress=virtual_function_decl_hidden>"
"$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcudafe --diag_suppress=integer_sign_change>"
"$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcudafe --diag_suppress=declared_but_not_referenced>"
# WAR invalid warnings about this with "if constexpr"
"$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcudafe --diag_suppress=implicit_return_from_non_void_function>"
)
# Willie hears yeh..
string (APPEND CMAKE_CUDA_FLAGS " -Xnvlink -suppress-stack-size-warning")
target_compile_options (
cuda_build_configuration
INTERFACE
"$<$<COMPILE_LANGUAGE:CUDA>:--std=c++17;--use_fast_math;--expt-relaxed-constexpr;--extended-lambda;--forward-unknown-to-host-compiler>"
# The "$<NOT:$<BOOL:$<TARGET_PROPERTY:CUDA_PTX_COMPILATION>>>" part is to not add debugging symbols when generating PTX files for OptiX; see https://github.com/mmp/pbrt-v4/issues/69#issuecomment-715499748.
"$<$<COMPILE_LANGUAGE:CUDA>:$<IF:$<AND:$<CONFIG:Debug>,$<NOT:$<BOOL:$<TARGET_PROPERTY:CUDA_PTX_COMPILATION>>>>,-G;-g,-lineinfo;-maxrregcount;128>>"
)
if (PBRT_GPU_SHADER_MODEL STREQUAL "")
# https://wagonhelm.github.io/articles/2018-03/detecting-cuda-capability-with-cmake
# Get CUDA compute capability
set (CHECK_CUDA_OUTPUT_EXE ${CMAKE_BINARY_DIR}/checkcuda)
if (MSVC)
execute_process (COMMAND ${CMAKE_CUDA_COMPILER} -lcuda ${CMAKE_SOURCE_DIR}/cmake/checkcuda.cu -ccbin ${CMAKE_CXX_COMPILER} -o ${CHECK_CUDA_OUTPUT_EXE}
RESULT_VARIABLE BUILD_CHECK_CUDA_RETURN_CODE)
else ()
execute_process (COMMAND ${CMAKE_CUDA_COMPILER} -lcuda ${CMAKE_SOURCE_DIR}/cmake/checkcuda.cu -o ${CHECK_CUDA_OUTPUT_EXE}
RESULT_VARIABLE BUILD_CHECK_CUDA_RETURN_CODE)
endif ()
if (NOT ${BUILD_CHECK_CUDA_RETURN_CODE} EQUAL 0)
message (SEND_ERROR "Was unable to build checkcuda, consider manually setting PBRT_GPU_SHADER_MODEL")
endif ()
execute_process (COMMAND ${CHECK_CUDA_OUTPUT_EXE}
RESULT_VARIABLE CUDA_RETURN_CODE
OUTPUT_VARIABLE CHECK_CUDA_OUTPUT)
if (NOT ${CUDA_RETURN_CODE} EQUAL 0)
message (SEND_ERROR ${CHECK_CUDA_OUTPUT})
else ()
set(ARCH "${CHECK_CUDA_OUTPUT}")
message (STATUS "Detected CUDA Architecture: ${ARCH}")
string (APPEND CMAKE_CUDA_FLAGS " --gpu-architecture=${ARCH}")
endif ()
else ()
set(ARCH "${PBRT_GPU_SHADER_MODEL}")
message (STATUS "Specified CUDA Architecture: ${ARCH}")
string (APPEND CMAKE_CUDA_FLAGS " --gpu-architecture=${ARCH}")
endif ()
set (PBRT_CUDA_LIB cuda)
# optix
# FIXME
include_directories (${PBRT_OPTIX7_PATH}/include)
# find CUDA's bin2c executable
get_filename_component (cuda_compiler_bin "${CMAKE_CUDA_COMPILER}" DIRECTORY)
find_program (BIN2C
NAMES bin2c
PATHS ${cuda_compiler_bin}
DOC "Path to the CUDA SDK bin2c executable."
NO_DEFAULT_PATH)
if (NOT BIN2C)
message (FATAL_ERROR
"bin2c not found:\n"
" CMAKE_CUDA_COMPILER='${CMAKE_CUDA_COMPILER}'\n"
" cuda_compiler_bin='${cuda_compiler_bin}'\n"
)
endif ()
# this macro defines cmake rules that execute the following four steps:
# 1) compile the given cuda file ${cuda_file} to an intermediary PTX file
# 2) use the 'bin2c' tool (that comes with CUDA) to
# create a second intermediary (.c-)file which defines a const string variable
# (named '${c_var_name}') whose (constant) value is the PTX output
# from the previous step.
# 3) compile the given .c file to an intermediary object file (why thus has
# that PTX string 'embedded' as a global constant.
# 4) assign the name of the intermediary .o file to the cmake variable
# 'output_var', which can then be added to cmake targets.
macro (cuda_compile_and_embed output_var cuda_file lib_name)
add_library ("${lib_name}" OBJECT "${cuda_file}")
set_property (TARGET "${lib_name}" PROPERTY CUDA_PTX_COMPILATION ON)
# disable "extern declaration... is treated as a static definition" warning
if (CUDA_VERSION_MAJOR EQUAL 11 AND CUDA_VERSION_MINOR LESS 2)
target_compile_options ("${lib_name}" PRIVATE
-Xcudafe=--display_error_number -Xcudafe=--diag_suppress=3089)
else ()
target_compile_options ("${lib_name}" PRIVATE
-Xcudafe=--display_error_number -Xcudafe=--diag_suppress=20044)
endif ()
# CUDA integration in Visual Studio seems broken as even if "Use
# Host Preprocessor Definitions" is checked, the host preprocessor
# definitions are still not used when compiling device code.
# To work around that, define the macros using --define-macro to
# avoid CMake identifying those as macros and using the proper (but
# broken) way of specifying them.
if (${CMAKE_GENERATOR} MATCHES "^Visual Studio")
# As PBRT_DEBUG_BUILD is specified globally as a definition, we need to
# manually add it due to the bug mentioned earlier and due to it
# not being found in PBRT_DEFINITIONS.
if (CMAKE_BUILD_TYPE MATCHES Debug)
set (cuda_definitions "--define-macro=PBRT_DEBUG_BUILD")
endif ()
foreach (arg ${PBRT_DEFINITIONS})
list (APPEND cuda_definitions "--define-macro=${arg}")
endforeach ()
target_compile_options ("${lib_name}" PRIVATE ${cuda_definitions})
else ()
target_compile_definitions ("${lib_name}" PRIVATE ${PBRT_DEFINITIONS})
endif ()
target_include_directories ("${lib_name}" PRIVATE src ${CMAKE_BINARY_DIR})
target_include_directories ("${lib_name}" SYSTEM PRIVATE ${NANOVDB_INCLUDE})
target_link_libraries ("${lib_name}" PRIVATE cuda_build_configuration pbrt_opt pbrt_warnings)
add_dependencies ("${lib_name}" pbrt_soa_generated)
set (c_var_name ${output_var})
set (embedded_file ${cuda_file}.ptx_embedded.c)
add_custom_command (
OUTPUT "${embedded_file}"
COMMAND ${CMAKE_COMMAND}
"-DBIN_TO_C_COMMAND=${BIN2C}"
"-DOBJECTS=$<TARGET_OBJECTS:${lib_name}>"
"-DVAR_NAME=${c_var_name}"
"-DOUTPUT=${embedded_file}"
-P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/bin2c_wrapper.cmake
VERBATIM
DEPENDS "${lib_name}" $<TARGET_OBJECTS:${lib_name}>
COMMENT "Embedding PTX generated from ${cuda_file}"
)
set (${output_var} ${embedded_file})
endmacro ()
endif ()
endif()
else ()
message (STATUS "CUDA not found")
endif ()
###########################################################################
# Annoying compiler-specific details
include (CheckCXXCompilerFlag)
check_cxx_compiler_flag ("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)
if (COMPILER_SUPPORTS_MARCH_NATIVE AND PBRT_BUILD_NATIVE_EXECUTABLE)
target_compile_options (pbrt_opt INTERFACE
"$<$<COMPILE_LANGUAGE:CUDA>:SHELL:-Xcompiler >-march=native")
endif ()
if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
list (APPEND PBRT_CXX_FLAGS "-std=c++17")
find_program (XIAR xiar)
if (XIAR)
set (CMAKE_AR "${XIAR}")
endif (XIAR)
mark_as_advanced (XIAR)
find_program(XILD xild)
if (XILD)
set (CMAKE_LINKER "${XILD}")
endif (XILD)
mark_as_advanced (XILD)
# ICC will default to -fp-model fast=1, which performs value-unsafe optimizations which will
# cause pbrt_test to fail. For safety, -fp-model precise is explicitly set here by default.
set (FP_MODEL "precise" CACHE STRING "The floating point model to compile with.")
set_property (CACHE FP_MODEL PROPERTY STRINGS "precise" "fast=1" "fast=2")
list (APPEND PBRT_CXX_FLAGS "-fp-model" "${FP_MODEL}")
endif ()
if (MSVC AND MSVC_VERSION LESS 1920)
message (SEND_ERROR "pbrt-v4 currently requires MSVC 2019 to build on Windows. PRs that get MSVC 2017 working as well would be welcomed. :-)")
endif ()
###########################################################################
# Check for various C++ features and set preprocessor variables or
# define workarounds.
include (CheckCXXSourceCompiles)
check_cxx_source_compiles ("
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
int main() {
int fd = open(\"foo\", O_RDONLY);
struct stat s;
fstat(fd, &s);
size_t len = s.st_size;
void *ptr = mmap(0, len, PROT_READ, MAP_FILE | MAP_SHARED, fd, 0);
munmap(ptr, len);
}
" HAVE_MMAP)
if (HAVE_MMAP)
list (APPEND PBRT_DEFINITIONS "PBRT_HAVE_MMAP")
ENDIF ()
include (CheckIncludeFiles)
check_cxx_source_compiles ("
#include <intrin.h>
int main() {
unsigned long lz = 0, v = 1234;
if (_BitScanReverse(&lz, v)) return lz;
return 0;
} " HAS_INTRIN_H)
if (HAS_INTRIN_H)
list (APPEND PBRT_DEFINITIONS "PBRT_HAS_INTRIN_H")
endif ()
########################################
# noinline
check_cxx_source_compiles (
"__declspec(noinline) void foo() { }
int main() { }"
HAVE_DECLSPEC_NOINLINE)
check_cxx_source_compiles (
"__attribute__((noinline)) void foo() { }
int main() { }"
HAVE_ATTRIBUTE_NOINLINE)
if (HAVE_ATTRIBUTE_NOINLINE)
list (APPEND PBRT_DEFINITIONS "PBRT_NOINLINE=__attribute__((noinline))")
elseif (HAVE_DECLSPEC_NOINLINE)
list (APPEND PBRT_DEFINITIONS "PBRT_NOINLINE=__declspec(noinline)")
else ()
list (APPEND PBRT_DEFINITIONS "PBRT_NOINLINE")
endif ()
########################################
# restrict
check_cxx_source_compiles (
"int * __restrict__ ptr;
int main() { }"
HAVE_PRE_POST_BAR_RESTRICT)
check_cxx_source_compiles (
"int * __restrict ptr;
int main() { }"
HAVE_PRE_BAR_RESTRICT)
if (HAVE_PRE_POST_BAR_RESTRICT)
list (APPEND PBRT_DEFINITIONS "PBRT_RESTRICT=__restrict__")
elseif (HAVE_PRE_BAR_RESTRICT)
list (APPEND PBRT_DEFINITIONS "PBRT_RESTRICT=__restrict")
else ()
list (APPEND PBRT_DEFINITIONS "PBRT_RESTRICT")
endif ()
########################################
# Aligned memory allocation
check_cxx_source_compiles ( "
#include <malloc.h>
int main() { void * ptr = _aligned_malloc(1024, 32); }
" HAVE__ALIGNED_MALLOC )
check_cxx_source_compiles ( "
#include <stdlib.h>
int main() {
void *ptr;
posix_memalign(&ptr, 32, 1024);
} " HAVE_POSIX_MEMALIGN )
if (HAVE__ALIGNED_MALLOC)
list (APPEND PBRT_DEFINITIONS "PBRT_HAVE__ALIGNED_MALLOC")
elseif (HAVE_POSIX_MEMALIGN)
list (APPEND PBRT_DEFINITIONS "PBRT_HAVE_POSIX_MEMALIGN")
else ()
message (SEND_ERROR "Unable to find a way to allocate aligned memory")
endif ()
########################################
# are long and int64_t the same
check_cxx_source_compiles ("
#include <cstdint>
#include <type_traits>
static_assert(!std::is_same<long, int64_t>::value && !std::is_same<long long, int64_t>::value);
int main() { }
" INT64_IS_OWN_TYPE)
if (INT64_IS_OWN_TYPE)
list (APPEND PBRT_DEFINITIONS "PBRT_INT64_IS_OWN_TYPE")
endif ()
if (PBRT_NVTX)
add_definitions (-D NVTX)
endif()
###########################################################################
# On to pbrt...
set (PBRT_SOURCE
src/pbrt/bsdf.cpp
src/pbrt/bssrdf.cpp
src/pbrt/bxdfs.cpp
src/pbrt/cameras.cpp
src/pbrt/film.cpp
src/pbrt/filters.cpp
src/pbrt/interaction.cpp
src/pbrt/lights.cpp
src/pbrt/lightsamplers.cpp
src/pbrt/materials.cpp
src/pbrt/media.cpp
src/pbrt/options.cpp
src/pbrt/paramdict.cpp
src/pbrt/parser.cpp
src/pbrt/pbrt.cpp
src/pbrt/ray.cpp
src/pbrt/samplers.cpp
src/pbrt/scene.cpp
src/pbrt/shapes.cpp
src/pbrt/textures.cpp
src/pbrt/cmd/pspec_gpu.cpp
)
set (PBRT_SOURCE_HEADERS
src/pbrt/bsdf.h
src/pbrt/bssrdf.h
src/pbrt/bxdfs.h
src/pbrt/cameras.h
src/pbrt/film.h
src/pbrt/filters.h
src/pbrt/interaction.h
src/pbrt/lightsamplers.h
src/pbrt/lights.h
src/pbrt/materials.h
src/pbrt/media.h
src/pbrt/options.h
src/pbrt/paramdict.h
src/pbrt/parser.h
src/pbrt/pbrt.h
src/pbrt/pbrt.soa
src/pbrt/ray.h
src/pbrt/samplers.h
src/pbrt/scene.h
src/pbrt/shapes.h
src/pbrt/textures.h
)
SET (PBRT_CPU_SOURCE
src/pbrt/cpu/aggregates.cpp
src/pbrt/cpu/integrators.cpp
src/pbrt/cpu/primitive.cpp
src/pbrt/cpu/render.cpp
)
SET (PBRT_CPU_SOURCE_HEADERS
src/pbrt/cpu/aggregates.h
src/pbrt/cpu/integrators.h
src/pbrt/cpu/primitive.h
src/pbrt/cpu/render.h
)
SET (PBRT_WAVEFRONT_SOURCE
src/pbrt/wavefront/aggregate.cpp
src/pbrt/wavefront/camera.cpp
src/pbrt/wavefront/film.cpp
src/pbrt/wavefront/integrator.cpp
src/pbrt/wavefront/media.cpp
src/pbrt/wavefront/samples.cpp
src/pbrt/wavefront/surfscatter.cpp
src/pbrt/wavefront/subsurface.cpp
src/pbrt/wavefront/wavefront.cpp
)
SET (PBRT_WAVEFRONT_SOURCE_HEADERS
src/pbrt/wavefront/aggregate.h
src/pbrt/wavefront/integrator.h
src/pbrt/wavefront/intersect.h
src/pbrt/wavefront/wavefront.h
src/pbrt/wavefront/workitems.h
src/pbrt/wavefront/workitems.soa
src/pbrt/wavefront/workqueue.h
)
SET (PBRT_UTIL_SOURCE
src/pbrt/util/args.cpp
src/pbrt/util/bluenoise.cpp
src/pbrt/util/buffercache.cpp
src/pbrt/util/check.cpp
src/pbrt/util/color.cpp
src/pbrt/util/colorspace.cpp
src/pbrt/util/display.cpp
src/pbrt/util/error.cpp
src/pbrt/util/file.cpp
src/pbrt/util/float.cpp
src/pbrt/util/gui.cpp
src/pbrt/util/image.cpp
src/pbrt/util/log.cpp
src/pbrt/util/loopsubdiv.cpp
src/pbrt/util/lowdiscrepancy.cpp
src/pbrt/util/math.cpp
src/pbrt/util/memory.cpp
src/pbrt/util/mesh.cpp
src/pbrt/util/mipmap.cpp
src/pbrt/util/noise.cpp
src/pbrt/util/parallel.cpp
src/pbrt/util/pmj02tables.cpp
src/pbrt/util/primes.cpp
src/pbrt/util/print.cpp
src/pbrt/util/progressreporter.cpp
src/pbrt/util/pstd.cpp
src/pbrt/util/rng.cpp
src/pbrt/util/sampling.cpp
src/pbrt/util/scattering.cpp
src/pbrt/util/sobolmatrices.cpp
src/pbrt/util/spectrum.cpp
src/pbrt/util/stats.cpp
src/pbrt/util/stbimage.cpp
src/pbrt/util/string.cpp
src/pbrt/util/transform.cpp
src/pbrt/util/vecmath.cpp
)
SET (PBRT_UTIL_SOURCE_HEADERS
src/pbrt/util/args.h
src/pbrt/util/bluenoise.h
src/pbrt/util/buffercache.h
src/pbrt/util/check.h
src/pbrt/util/color.h
src/pbrt/util/colorspace.h
src/pbrt/util/containers.h
src/pbrt/util/display.h
src/pbrt/util/error.h
src/pbrt/util/file.h
src/pbrt/util/float.h
src/pbrt/util/gui.h
src/pbrt/util/hash.h
src/pbrt/util/image.h
src/pbrt/util/log.h
src/pbrt/util/loopsubdiv.h
src/pbrt/util/lowdiscrepancy.h
src/pbrt/util/math.h
src/pbrt/util/memory.h
src/pbrt/util/mesh.h
src/pbrt/util/mipmap.h
src/pbrt/util/noise.h
src/pbrt/util/parallel.h
src/pbrt/util/pmj02tables.h
src/pbrt/util/primes.h
src/pbrt/util/print.h
src/pbrt/util/progressreporter.h
src/pbrt/util/pstd.h
src/pbrt/util/rng.h
src/pbrt/util/sampling.h
src/pbrt/util/scattering.h
src/pbrt/util/soa.h
src/pbrt/util/sobolmatrices.h
src/pbrt/util/spectrum.h
src/pbrt/util/splines.h
src/pbrt/util/stats.h
src/pbrt/util/string.h
src/pbrt/util/taggedptr.h
src/pbrt/util/transform.h
src/pbrt/util/vecmath.h
)
if (PBRT_CUDA_ENABLED)
set (PBRT_GPU_SOURCE
src/pbrt/gpu/aggregate.cpp
src/pbrt/gpu/denoiser.cpp
src/pbrt/gpu/memory.cpp
src/pbrt/gpu/util.cpp
)
set (PBRT_GPU_SOURCE_HEADERS
src/pbrt/gpu/aggregate.h
src/pbrt/gpu/cudagl.h
src/pbrt/gpu/denoiser.h
src/pbrt/gpu/memory.h
src/pbrt/gpu/optix.h
src/pbrt/gpu/util.h
)
set_source_files_properties (
src/pbrt/bsdf.cpp
src/pbrt/bssrdf.cpp
src/pbrt/bxdfs.cpp
src/pbrt/cameras.cpp
src/pbrt/film.cpp
src/pbrt/filters.cpp
# src/pbrt/genscene.cpp
src/pbrt/interaction.cpp
src/pbrt/lights.cpp
src/pbrt/lightsamplers.cpp
src/pbrt/materials.cpp
# src/pbrt/media.cpp
src/pbrt/options.cpp
# src/pbrt/paramdict.cpp
# src/pbrt/parser.cpp
src/pbrt/pbrt.cpp
src/pbrt/samplers.cpp
src/pbrt/shapes.cpp
src/pbrt/textures.cpp
src/pbrt/util/bluenoise.cpp
src/pbrt/util/check.cpp
src/pbrt/util/color.cpp
src/pbrt/util/colorspace.cpp
src/pbrt/util/error.cpp
# src/pbrt/util/file.cpp
# src/pbrt/util/float.cpp
# src/pbrt/util/image.cpp
src/pbrt/util/log.cpp
# src/pbrt/util/loopsubdiv.cpp
src/pbrt/util/lowdiscrepancy.cpp
src/pbrt/util/math.cpp
# src/pbrt/util/memory.cpp
src/pbrt/util/mesh.cpp
# src/pbrt/util/mipmap.cpp
src/pbrt/util/noise.cpp
# src/pbrt/util/parallel.cpp
src/pbrt/util/pmj02tables.cpp
src/pbrt/util/primes.cpp
# src/pbrt/util/print.cpp
# src/pbrt/util/progressreporter.cpp
src/pbrt/util/pstd.cpp
src/pbrt/util/rng.cpp
src/pbrt/util/sampling.cpp
src/pbrt/util/scattering.cpp
src/pbrt/util/sobolmatrices.cpp
src/pbrt/util/spectrum.cpp
src/pbrt/util/stats.cpp
# src/pbrt/util/stbimage.cpp
# src/pbrt/util/string.cpp
src/pbrt/util/transform.cpp
src/pbrt/util/vecmath.cpp
${PBRT_WAVEFRONT_SOURCE}
${PBRT_GPU_SOURCE}
src/pbrt/cmd/pspec_gpu.cpp
PROPERTIES LANGUAGE CUDA
)
cuda_compile_and_embed (PBRT_EMBEDDED_PTX src/pbrt/gpu/optix.cu optix.cu)
endif ()
source_group ("Source Files" FILES ${PBRT_SOURCE})
source_group ("Header Files" FILES ${PBRT_SOURCE_HEADERS})
source_group ("Source Files/cpu" FILES ${PBRT_CPU_SOURCE})
source_group ("Header Files/cpu" FILES ${PBRT_CPU_SOURCE_HEADERS})
source_group ("Source Files/util" FILES ${PBRT_UTIL_SOURCE})
source_group ("Header Files/util" FILES ${PBRT_UTIL_SOURCE_HEADERS})
source_group ("Source Files/wavefront" FILES ${PBRT_WAVEFRONT_SOURCE})
source_group ("Header Files/wavefront" FILES ${PBRT_WAVEFRONT_SOURCE_HEADERS})
if (PBRT_CUDA_ENABLED)
source_group ("Source Files/gpu" FILES ${PBRT_GPU_SOURCE})
source_group ("Header Files/gpu" FILES ${PBRT_GPU_SOURCE_HEADERS})
endif ()
###########################################################################
# pbrt libraries and executables
list (APPEND PBRT_DEFINITIONS "PTEX_STATIC")
######################
# soac
add_executable (soac src/pbrt/cmd/soac.cpp)
add_executable (pbrt::soac ALIAS soac)
target_compile_definitions (soac PRIVATE ${PBRT_DEFINITIONS})
target_compile_options (soac PUBLIC ${PBRT_CXX_FLAGS})
target_link_libraries (soac PRIVATE pbrt_warnings pbrt_opt)
set_target_properties (soac PROPERTIES OUTPUT_NAME soac)
add_custom_command (OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/pbrt_soa.h
COMMAND soac ${CMAKE_SOURCE_DIR}/src/pbrt/pbrt.soa > ${CMAKE_CURRENT_BINARY_DIR}/pbrt_soa.h
DEPENDS soac ${CMAKE_SOURCE_DIR}/src/pbrt/pbrt.soa)
set (PBRT_SOA_GENERATED ${CMAKE_CURRENT_BINARY_DIR}/pbrt_soa.h)
add_custom_command (OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/wavefront_workitems_soa.h
COMMAND soac ${CMAKE_SOURCE_DIR}/src/pbrt/wavefront/workitems.soa > ${CMAKE_CURRENT_BINARY_DIR}/wavefront_workitems_soa.h
DEPENDS soac ${CMAKE_SOURCE_DIR}/src/pbrt/wavefront/workitems.soa)
set (PBRT_SOA_GENERATED ${PBRT_SOA_GENERATED} ${CMAKE_CURRENT_BINARY_DIR}/wavefront_workitems_soa.h)
add_custom_target (pbrt_soa_generated DEPENDS ${PBRT_SOA_GENERATED})
set_property (TARGET soac PROPERTY FOLDER "cmd")
######################
# pbrt_lib
add_library (pbrt_lib STATIC
${CMAKE_CURRENT_BINARY_DIR}/rgbspectrum_srgb.cpp
${CMAKE_CURRENT_BINARY_DIR}/rgbspectrum_dci_p3.cpp
${CMAKE_CURRENT_BINARY_DIR}/rgbspectrum_rec2020.cpp
${CMAKE_CURRENT_BINARY_DIR}/rgbspectrum_aces.cpp
${PBRT_SOA_GENERATED}
${PBRT_SOURCE}
${PBRT_SOURCE_HEADERS}
${PBRT_CPU_SOURCE}
${PBRT_CPU_SOURCE_HEADERS}
${PBRT_UTIL_SOURCE}
${PBRT_UTIL_SOURCE_HEADERS}
${PBRT_WAVEFRONT_SOURCE}
${PBRT_WAVEFRONT_SOURCE_HEADERS}
${PBRT_GPU_SOURCE}
${PBRT_GPU_SOURCE_HEADERS}
src/ext/gtest/gtest-all.cc
src/ext/lodepng/lodepng.cpp
src/ext/rply/rply.cpp
)
add_library (pbrt::pbrt_lib ALIAS pbrt_lib)
add_dependencies (pbrt_lib pbrt_soa_generated)
target_compile_definitions (pbrt_lib PRIVATE ${PBRT_DEFINITIONS})
# Attempt to work-around Windows/CUDA build issues.
# As per https://stackoverflow.com/a/51566919, this works around a cmake
# bug that leads to undefined symbols...
set_property(TARGET pbrt_lib PROPERTY CUDA_RESOLVE_DEVICE_SYMBOLS ON)
target_include_directories (pbrt_lib PUBLIC
src
src/ext
${STB_INCLUDE}
${QOI_INCLUDE}
${OPENEXR_INCLUDE}
${ZLIB_INCLUDE_DIRS}
${LIBDEFLATE_INCLUDE_DIRS}
${FILESYSTEM_INCLUDE}
${PTEX_INCLUDE}
${DOUBLE_CONVERSION_INCLUDE}
${NANOVDB_INCLUDE}
${CMAKE_CURRENT_BINARY_DIR}
${GLFW_INCLUDE}
${GLAD_INCLUDE}
)
if (PBRT_CUDA_ENABLED AND PBRT_OPTIX7_PATH)
target_include_directories (pbrt_lib SYSTEM PUBLIC ${PBRT_OPTIX7_PATH}/include)
endif ()
target_compile_options (pbrt_lib PUBLIC ${PBRT_CXX_FLAGS})
target_link_libraries (pbrt_lib PRIVATE pbrt_warnings pbrt_opt $<$<BOOL:PBRT_CUDA_ENABLED>:cuda_build_configuration>)
add_sanitizers (pbrt_lib)
if (WIN32)
# Avoid a name clash when building on Visual Studio
set_target_properties (pbrt_lib PROPERTIES OUTPUT_NAME libpbrt)
endif()
set (ALL_PBRT_LIBS
pbrt_lib
${CMAKE_THREAD_LIBS_INIT}
${OPENEXR_LIBS}
Ptex_static
${ZLIB_LIBRARIES}
${LIBDEFLATE_LIBRARIES}
double-conversion
${PBRT_CUDA_LIB}
utf8proc
glfw
glad
OpenGL::GL)
if (PBRT_CUDA_ENABLED)
set_property (TARGET pbrt_lib PROPERTY CUDA_SEPARABLE_COMPILATION ON)
add_library (pbrt_embedded_ptx_lib STATIC
${PBRT_EMBEDDED_PTX}
)
add_dependencies (pbrt_embedded_ptx_lib pbrt_soa_generated)
list (APPEND ALL_PBRT_LIBS pbrt_embedded_ptx_lib)
if (PBRT_NVML)
list (APPEND ALL_PBRT_LIBS "nvidia-ml")
endif ()
endif ()
if (WIN32)
list (APPEND ALL_PBRT_LIBS "dbghelp" "wsock32" "ws2_32")
endif ()
if (PROFILE_LIB)
list (APPEND ALL_PBRT_LIBS "${PROFILE_LIB}")
endif ()
######################
## rgb2spec_opt
add_executable (rgb2spec_opt src/pbrt/cmd/rgb2spec_opt.cpp)
add_executable (pbrt::rgb2spec_opt ALIAS rgb2spec_opt)
target_compile_definitions (rgb2spec_opt PRIVATE ${PBRT_DEFINITIONS})
target_compile_options (rgb2spec_opt PUBLIC ${PBRT_CXX_FLAGS})
target_link_libraries (rgb2spec_opt PRIVATE ${CMAKE_THREAD_LIBS_INIT} pbrt_opt pbrt_warnings)
if (NOT PBRT_USE_PREGENERATED_RGB_TO_SPECTRUM_TABLES)
add_custom_command (OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/rgbspectrum_aces.cpp
COMMAND rgb2spec_opt 64 ${CMAKE_CURRENT_BINARY_DIR}/rgbspectrum_aces.cpp ACES2065_1
DEPENDS rgb2spec_opt)
add_custom_command (OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/rgbspectrum_dci_p3.cpp
COMMAND rgb2spec_opt 64 ${CMAKE_CURRENT_BINARY_DIR}/rgbspectrum_dci_p3.cpp DCI_P3
DEPENDS rgb2spec_opt)
add_custom_command (OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/rgbspectrum_rec2020.cpp
COMMAND rgb2spec_opt 64 ${CMAKE_CURRENT_BINARY_DIR}/rgbspectrum_rec2020.cpp REC2020
DEPENDS rgb2spec_opt)
add_custom_command (OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/rgbspectrum_srgb.cpp
COMMAND rgb2spec_opt 64 ${CMAKE_CURRENT_BINARY_DIR}/rgbspectrum_srgb.cpp sRGB
DEPENDS rgb2spec_opt)
endif ()
set_property (TARGET rgb2spec_opt PROPERTY FOLDER "cmd")
######################
# Main renderer
add_executable (pbrt_exe src/pbrt/cmd/pbrt.cpp)
add_executable (pbrt::pbrt_exe ALIAS pbrt_exe)
target_compile_definitions (pbrt_exe PRIVATE ${PBRT_DEFINITIONS})
target_compile_options (pbrt_exe PRIVATE ${PBRT_CXX_FLAGS})
target_include_directories (pbrt_exe PRIVATE src src/ext)
target_link_libraries (pbrt_exe PRIVATE ${ALL_PBRT_LIBS} pbrt_opt pbrt_warnings)
set_target_properties (pbrt_exe PROPERTIES OUTPUT_NAME pbrt)
add_sanitizers (pbrt_exe)
set_property (TARGET pbrt_exe PROPERTY FOLDER "cmd")
######################
# imgtool
add_executable (imgtool src/pbrt/cmd/imgtool.cpp)
add_executable (pbrt::imgtool ALIAS imgtool)
add_library (sky_lib STATIC src/ext/skymodel/ArHosekSkyModel.c)
set_property (TARGET sky_lib PROPERTY FOLDER "ext")
target_compile_definitions (imgtool PRIVATE ${PBRT_DEFINITIONS})
target_compile_options (imgtool PRIVATE ${PBRT_CXX_FLAGS})
target_include_directories (imgtool PRIVATE src src/ext ${FLIP_INCLUDE})
target_link_libraries (imgtool PRIVATE ${ALL_PBRT_LIBS} pbrt_opt pbrt_warnings sky_lib flip_lib)
add_sanitizers (imgtool)
set_property (TARGET imgtool PROPERTY FOLDER "cmd")
######################
# pspec
add_executable (pspec src/pbrt/cmd/pspec.cpp)
add_executable (pbrt::pspec ALIAS pspec)
target_compile_definitions (pspec PRIVATE ${PBRT_DEFINITIONS})
target_compile_options (pspec PRIVATE ${PBRT_CXX_FLAGS})
target_include_directories (pspec PRIVATE src src/ext)
target_link_libraries (pspec PRIVATE ${ALL_PBRT_LIBS} pbrt_warnings)
add_sanitizers (pspec)
set_property (TARGET pspec PROPERTY FOLDER "cmd")
######################
# plytool
add_executable (plytool src/pbrt/cmd/plytool.cpp)
add_executable (pbrt::plytool ALIAS plytool)
target_compile_definitions (plytool PRIVATE ${PBRT_DEFINITIONS})
target_compile_options (plytool PUBLIC ${PBRT_CXX_FLAGS})
target_include_directories (plytool PUBLIC src src/ext)
target_link_libraries (plytool PRIVATE ${ALL_PBRT_LIBS} pbrt_warnings pbrt_opt)
set_target_properties (plytool PROPERTIES OUTPUT_NAME plytool)
add_sanitizers (plytool)
set_property (TARGET plytool PROPERTY FOLDER "cmd")
######################
# cyhair2pbrt