cmake_minimum_required(VERSION 3.20)

## Set project name ##

project(kazen)

## Find packages under rez-env ##

find_package(Boost REQUIRED COMPONENTS filesystem system)

find_package(TBB REQUIRED)

find_package(OpenImageIO REQUIRED)

find_package(embree 3.13.0 REQUIRED) # Here should point a spesific version

find_package(fmt 7.1.3 REQUIRED) # Here fmt should match oiio's fmt version

find_package(pugixml 1.11 REQUIRED)

## Set platform-specific flags ##

if (WIN32)

add_definitions(-D__WINDOWS__)

elseif(UNIX)

if(APPLE)

add_definitions(-D__OSX__)

else()

add_definitions(-D__LINUX__)

endif()

endif()

## C++17 ##

# SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread -Wall -Wextra")

SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread -Wall -Wextra -Wno-sign-compare -Wno-unused")

include(CheckCXXCompilerFlag)

if (CMAKE_CXX_COMPILER_ID MATCHES "^(GNU|Clang|Emscripten|Intel)$")

CHECK_CXX_COMPILER_FLAG("-std=c++17" HAS_CPP17_FLAG)

# set(CMAKE_CXX_FLAGS_DEBUG "-g")

# set(CMAKE_CXX_FLAGS_RELEASE "-O1") # O1 is fastest in this case

if (HAS_CPP17_FLAG)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")

else()

CHECK_CXX_COMPILER_FLAG("-std=c++1z" HAS_CPP1Z_FLAG)

if (HAS_CPP1Z_FLAG)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++1z")

else()

message(FATAL_ERROR "Unsupported compiler -- kazen requires C++17 support!")

endif()

endif()

elseif(MSVC)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++17")

endif()

## set sources ##

set( KAZEN_SOURCES

# headers

include/kazen/accel.h

include/kazen/bbox.h

include/kazen/bitmap.h

include/kazen/block.h

include/kazen/bluenoise.h

include/kazen/bsdf.h

include/kazen/camera.h

include/kazen/color.h

include/kazen/common.h

include/kazen/define.h

include/kazen/dpdf.h

include/kazen/frame.h

include/kazen/ggx_brdf.h

include/kazen/hash.h

include/kazen/integrator.h

include/kazen/light.h

include/kazen/medium.h

include/kazen/mesh.h

include/kazen/object.h

include/kazen/parser.h

include/kazen/pcg32.h

include/kazen/pmj02table.h

include/kazen/progress.h

include/kazen/proplist.h

include/kazen/ray.h

include/kazen/renderer.h

include/kazen/rfilter.h

include/kazen/sampler.h

include/kazen/scene.h

include/kazen/texture.h

include/kazen/timer.h

include/kazen/transform.h

include/kazen/vector.h

include/kazen/warp.h

# source code

src/kazen/accel.cpp

src/kazen/bitmap.cpp

src/kazen/block.cpp

src/kazen/bluenoise.cpp

src/kazen/bsdf.cpp

src/kazen/camera.cpp

src/kazen/common.cpp

src/kazen/integrator.cpp

src/kazen/light.cpp

src/kazen/medium.cpp

src/kazen/mesh.cpp

src/kazen/object.cpp

src/kazen/parser.cpp

src/kazen/pmj02table.cpp

src/kazen/progress.cpp

src/kazen/proplist.cpp

src/kazen/renderer.cpp

src/kazen/rfilter.cpp

src/kazen/sampler.cpp

src/kazen/scene.cpp

src/kazen/texture.cpp

src/kazen/warp.cpp

)

## kazen ##

## Add executable ##

add_executable(kazen

${KAZEN_SOURCES}

# main.cpp

src/kazen/main.cpp

)

## Header only ext ##

target_include_directories(kazen PUBLIC

## kazen include files ##

${CMAKE_CURRENT_SOURCE_DIR}/include

## eigen3 ##

$ENV{REZ_EIGEN_ROOT}

## tinyobjloader ##

$ENV{REZ_TINYOBJLOADER_ROOT}

## tbb ##

$ENV{REZ_TBB_ROOT}/include

## filesystem ##

$ENV{REZ_FILESYSTEM_ROOT}

)

## Link against target ##

target_link_libraries(kazen PUBLIC

# Boost::filesystem

TBB::tbb

OpenImageIO::OpenImageIO

embree

fmt::fmt

pugixml::pugixml

)

## Compile features ##

target_compile_features(kazen PUBLIC cxx_std_17)

## test kazen ##

## Add executable ##

add_executable(test_kazen

${KAZEN_SOURCES}

# main.cpp

src/kazen/test.cpp

)

## Header only ext ##

target_include_directories(test_kazen PUBLIC

## kazen include files ##

${CMAKE_CURRENT_SOURCE_DIR}/include

## eigen3 ##

$ENV{REZ_EIGEN_ROOT}

## tinyobjloader ##

$ENV{REZ_TINYOBJLOADER_ROOT}

## tbb ##

$ENV{REZ_TBB_ROOT}/include

## filesystem ##

$ENV{REZ_FILESYSTEM_ROOT}

)

## Link against target ##

target_link_libraries(test_kazen PUBLIC

# Boost::filesystem

TBB::tbb

OpenImageIO::OpenImageIO

embree

fmt::fmt

pugixml::pugixml

)

## Compile features ##

target_compile_features(test_kazen PUBLIC cxx_std_17)

## add subdirectory ##

add_subdirectory(test)