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CMakeLists.txt
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# ==============================================================================
# cmake setup
# ==============================================================================
cmake_minimum_required(VERSION 3.0)
project(light-welter)
include(CTest)
include(ExternalProject)
include(CMakeRC.cmake)
include(FindPkgConfig)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")
message(${CMAKE_MODULE_PATH})
enable_testing()
# ==============================================================================
# compiler setup
# ==============================================================================
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
add_compile_options(-fno-limit-debug-info)
endif()
add_compile_options(-Wall)
include_directories(inc)
include_directories(${CMAKE_BINARY_DIR})
include_directories(${CMAKE_BINARY_DIR}/gen)
include_directories(${CMAKE_BINARY_DIR}/dependencies/include)
# ==============================================================================
# build config
# ==============================================================================
# NOT USED YET
set(SPECTRUM_LAMBDA_START 400 CACHE STRING "Where to start sampling the visible spectrum.")
set(SPECTRUM_LAMBDA_END 700 CACHE STRING "Where to stop sampling the visible spectrum.")
set(SPECTRUM_N_SAMPLES 60 CACHE STRING "Samples for visible spectrum.")
configure_file (
"${PROJECT_SOURCE_DIR}/inc/build_config.h.in"
"${PROJECT_BINARY_DIR}/build_config.h"
)
# ==============================================================================
# external dependencies
# ==============================================================================
find_package(Threads)
find_package(Boost COMPONENTS system filesystem unit_test_framework REQUIRED)
include_directories(${Boost_INCLUDE_DIRS})
ExternalProject_Add(sdl2-dependency
URL https://github.com/libSDL2pp/libSDL2pp/archive/0.16.0.tar.gz
CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/dependencies -DSDL2PP_WITH_MIXER=OFF -DSDL2PP_WITH_IMAGE=ON -DSDL2PP_STATIC=OFF -DSDL2PP_WITH_EXAMPLES=OFF -DSDL2PP_WITH_TESTS=OFF -DSDL2PP_ENABLE_LIVE_TESTS=OFF)
ExternalProject_Add(pugixml-dependency
URL https://github.com/zeux/pugixml/releases/download/v1.9/pugixml-1.9.tar.gz
CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/dependencies
)
ExternalProject_Add(spdlog-dependency
URL https://github.com/gabime/spdlog/archive/v1.1.0.tar.gz
CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/dependencies -DSPDLOG_BUILD_EXAMPLES=OFF -DSPDLOG_BUILD_BENCH=OFF -DSPDLOG_BUILD_TESTING=OFF -DSPDLOG_BUILD_TESTING=OFF
)
ExternalProject_Add(glm-dependency
URL https://github.com/g-truc/glm/releases/download/0.9.9.4/glm-0.9.9.4.zip
CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/dependencies -DGLM_TEST_ENABLE=OFF -DBUILD_SHARED_LIBS=OFF
)
find_package(SDL2 REQUIRED)
PKG_SEARCH_MODULE(SDL2IMAGE REQUIRED SDL2_image>=2.0.0)
find_package(OpenGL REQUIRED)
find_package(GLEW REQUIRED)
find_package(OpenEXR REQUIRED)
find_package(assimp REQUIRED)
include_directories(${SDL2_INCLUDE_DIRS})
include_directories(${ASSIMP_INCLUDE_DIRS})
link_directories(${ASSIMP_LIBRARY_DIRS})
link_directories(${GLM_LIBRARY_DIRS})
link_directories(${CMAKE_BINARY_DIR}/dependencies/lib)
# ==============================================================================
# resources
# ==============================================================================
cmrc_add_resource_library(resources res/default_configuration.xml)
# ==============================================================================
# workarounds
# ==============================================================================
add_compile_options(-DGLM_FORCE_XYZW_ONLY)
# ==============================================================================
# build config
# ==============================================================================
set(SRCS_NOMAIN
src/log.cpp
src/config.cpp
src/shader.cpp
src/mesh.cpp
src/texture.cpp
src/view_raytracer.cpp
src/view_opengl.cpp
src/raycaster.cpp
src/pathtracer.cpp
src/spectrum.cpp
src/material.cpp
src/sampler.cpp
src/lights.cpp
src/lwmath.cpp
inc/config.h
inc/exceptions.h
inc/log.h
inc/shader.h
inc/mesh.h
inc/texture.h
inc/pathtracer.h
inc/raycaster.h
inc/renderable.h
inc/view_raytracer.h
inc/view_opengl.h
inc/material.h
inc/spectrum.h
inc/sampler.h
inc/lights.h
)
add_library (${PROJECT_NAME} STATIC ${SRCS_NOMAIN})
target_link_libraries(${PROJECT_NAME}
${Boost_LIBRARIES} pugixml SDL2pp resources ${SDL2IMAGE_LIBRARIES} ${SDL2_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${ASSIMP_LIBRARIES} ${OPENEXR_LIBRARIES}
)
target_link_libraries(${PROJECT_NAME} ${OPENGL_LIBRARIES} ${GLEW_LIBRARIES})
add_executable(demo_app src/main.cpp)
target_link_libraries(demo_app ${PROJECT_NAME})
add_dependencies(${PROJECT_NAME} sdl2-dependency)
add_dependencies(${PROJECT_NAME} pugixml-dependency)
add_dependencies(${PROJECT_NAME} spdlog-dependency)
add_dependencies(${PROJECT_NAME} glm-dependency)
# ==============================================================================
# tests
# ==============================================================================
file(GLOB TEST_SRCS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} tests/*.cpp)
foreach(testSrc ${TEST_SRCS})
get_filename_component(testName ${testSrc} NAME_WE)
set(testName "test_${testName}")
add_executable(${testName} "${testSrc}")
target_link_libraries(${testName} ${PROJECT_NAME})
set_target_properties(${testName} PROPERTIES
RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/tests)
add_test(NAME ${testName}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMAND ${CMAKE_CURRENT_BINARY_DIR}/tests/${testName} )
endforeach(testSrc)