xx

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CMake Build Configuration for the Ray Tracing

See README.md for guidance.

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cmake_minimum_required ( VERSION 3.1.0...3.27.0 )

set (prjName ht_master_sec)

project ( ht_master_sec LANGUAGES CXX )

Set to C++11

set ( CMAKE_CXX_STANDARD 11 )
set ( CMAKE_CXX_STANDARD_REQUIRED ON )
set ( CMAKE_CXX_EXTENSIONS OFF )

include (cmake/findSDL.cmake)

Source

set (SOURCE_BRDF_Source
source/BRDF/BRDF.cpp
source/BRDF/BRDF.hpp
source/BRDF/GlossySpecular.hpp
source/BRDF/GlossySpecular.cpp
source/BRDF/Lambertian.hpp
source/BRDF/Lambertian.cpp
source/BRDF/PerfectSpecular.hpp
source/BRDF/PerfectSpecular.cpp
)
SOURCE_GROUP("source\BRDF" FILES ${SOURCE_BRDF_Source})

set (SOURCE_build_Source
source/build/BuildAmbientOcclusion.hpp
source/build/BuildAreaLight.hpp
source/build/BuildBBCoverPicLight.hpp
source/build/BuildBox.hpp
source/build/BuildGlossy.hpp
source/build/BuildHorizontalPlane.hpp
source/build/BuildMirrorHall.hpp
source/build/BuildMultipleObjects.hpp
source/build/BuildReflective.hpp
source/build/BuildShadedTest.hpp
source/build/BuildShadowsTest.hpp
source/build/BuildSimpleMesh.hpp
source/build/BuildSingleSphere.hpp
source/build/BuildSingleSphereLight.hpp
source/build/BuildSinusoid.hpp
source/build/BuildSphereGrid.hpp
source/build/BuildSpheresQueue.hpp
)
SOURCE_GROUP("source//build" FILES ${SOURCE_build_Source})

set (SOURCE_Cameras_Source
source/Cameras/Camera.cpp
source/Cameras/Camera.hpp
source/Cameras/Orthographic.cpp
source/Cameras/Orthographic.hpp
source/Cameras/Pinhole.cpp
source/Cameras/Pinhole.hpp
source/Cameras/ThinLens.cpp
source/Cameras/ThinLens.hpp
)
SOURCE_GROUP("source//camera" FILES ${SOURCE_Cameras_Source})

set (SOURCE_Light_Soruce
source/Light/Ambient.cpp
source/Light/Ambient.hpp
source/Light/AmbientOccluder.cpp
source/Light/AmbientOccluder.hpp
source/Light/AreaLight.cpp
source/Light/AreaLight.hpp
source/Light/Directional.cpp
source/Light/Directional.hpp
source/Light/Light.cpp
source/Light/Light.hpp
source/Light/PointLight.cpp
source/Light/PointLight.hpp
)
SOURCE_GROUP("source//light" FILES ${SOURCE_Light_Soruce})

set (SOURCE_Materials_Source
source/Materials/Emissive.cpp
source/Materials/Emissive.hpp
source/Materials/Material.cpp
source/Materials/Material.hpp
source/Materials/Matte.cpp
source/Materials/Matte.hpp
source/Materials/Phong.cpp
source/Materials/Phong.hpp
source/Materials/Reflective.cpp
source/Materials/Reflective.hpp
)
SOURCE_GROUP("source//materials" FILES ${SOURCE_Materials_Source})

set ( SOURCE_Samplers_Source
source/Samplers/Jittered.cpp
source/Samplers/Jittered.hpp
source/Samplers/MultiJittered.cpp
source/Samplers/MultiJittered.hpp
source/Samplers/NRooks.cpp
source/Samplers/NRooks.hpp
source/Samplers/Regular.cpp
source/Samplers/Regular.hpp
source/Samplers/NRooks.cpp
source/Samplers/NRooks.hpp
source/Samplers/Sampler.cpp
source/Samplers/Sampler.hpp
)
SOURCE_GROUP("source//samplers" FILES ${SOURCE_Samplers_Source})

set ( SOURCE_Tracers_Source
source/Tracers/AreaLighting.cpp
source/Tracers/AreaLighting.hpp
source/Tracers/RayCast.hpp
source/Tracers/RayCast.cpp
source/Tracers/Tracer.hpp
source/Tracers/Tracer.cpp
source/Tracers/Whitted.hpp
source/Tracers/Whitted.cpp
)
SOURCE_GROUP("source//tracers" FILES ${SOURCE_Tracers_Source})

set ( SOURCE_Utilities_Source
source/Utilities/Constants.hpp
source/Utilities/Debug.hpp
source/Utilities/Maths.hpp
source/Utilities/Matrix.cpp
source/Utilities/Matrix.hpp
source/Utilities/Normal.cpp
source/Utilities/Normal.hpp
source/Utilities/Point2D.cpp
source/Utilities/Point2D.hpp
source/Utilities/Point3D.cpp
source/Utilities/Point3D.hpp
source/Utilities/Ray.cpp
source/Utilities/Ray.hpp
source/Utilities/RGBColor.cpp
source/Utilities/RGBColor.hpp
source/Utilities/ShadeRec.cpp
source/Utilities/ShadeRec.hpp
source/Utilities/Vector3D.cpp
source/Utilities/Vector3D.hpp
)
SOURCE_GROUP("source//utilities" FILES ${SOURCE_Utilities_Source})

set (SOURCE_Window_Source
source/Window/Window.cpp
source/Window/Window.hpp
source/Window/Window-NOTHREAD.cpp
source/Window/Window-NOTHREAD.hpp
source/Window/Window-THREAD.cpp
source/Window/Window-THREAD.hpp
)
SOURCE_GROUP("source//window" FILES ${SOURCE_Window_Source})

set (SOURCE_World_Source
source/World/ViewPlane.cpp
source/World/ViewPlane.hpp
source/World/World.cpp
source/World/World.hpp
)
SOURCE_GROUP("source//world" FILES ${SOURCE_World_Source})

set (SOURCE_GeometricObjects_Source
source/GeometricObjects/BBox.cpp
source/GeometricObjects/BBox.hpp
source/GeometricObjects/Box.cpp
source/GeometricObjects/Box.hpp
source/GeometricObjects/Compound.cpp
source/GeometricObjects/Compound.hpp
source/GeometricObjects/Cylinder.cpp
source/GeometricObjects/Cylinder.hpp
source/GeometricObjects/Disk.cpp
source/GeometricObjects/Disk.hpp
source/GeometricObjects/FlatMeshTriangle.cpp
source/GeometricObjects/FlatMeshTriangle.hpp
source/GeometricObjects/GeometricObject.cpp
source/GeometricObjects/GeometricObject.hpp
source/GeometricObjects/Mesh.cpp
source/GeometricObjects/Mesh.hpp
source/GeometricObjects/MeshTriangle.cpp
source/GeometricObjects/MeshTriangle.hpp
source/GeometricObjects/OpenCylinder.cpp
source/GeometricObjects/OpenCylinder.hpp
source/GeometricObjects/Plane.cpp
source/GeometricObjects/Plane.hpp
source/GeometricObjects/Rectangle.cpp
source/GeometricObjects/Rectangle.hpp
source/GeometricObjects/SmoothMeshTriangle.cpp
source/GeometricObjects/SmoothMeshTriangle.hpp
source/GeometricObjects/Sphere.cpp
source/GeometricObjects/Sphere.hpp
source/GeometricObjects/Torus.cpp
source/GeometricObjects/Torus.hpp
source/GeometricObjects/Triangle.cpp
source/GeometricObjects/Triangle.hpp
)
SOURCE_GROUP("source//GeometricObjects" FILES ${SOURCE_GeometricObjects_Source})

SET(RayTracing_SRCS
${SOURCE_BRDF_Source}
${SOURCE_build_Source}
${SOURCE_Cameras_Source}
${SOURCE_Light_Soruce}
${SOURCE_Materials_Source}
${SOURCE_Samplers_Source}
${SOURCE_Tracers_Source}
${SOURCE_Utilities_Source}
${SOURCE_Window_Source}
${SOURCE_World_Source}
${SOURCE_GeometricObjects_Source}
source/Main/main.cpp
)

Executables

add_executable(${prjName} ${EXTERNAL} ${RayTracing_SRCS})

if(SDL_FOUND)
target_link_libraries(${prjName} \({SDL_LIBRARY}) target_include_directories(\){prjName} PUBLIC ${SDL_INCLUDE_PATH})
endif()

include_directories(src/include/)

Specific compiler flags below. We're not going to add options for all possible compilers, but if

you're new to CMake (like we are), the following may be a helpful example if you're using a

different compiler or want to set different compiler options.

message (STATUS "Compiler ID: " ${CMAKE_CXX_COMPILER_ID})
message (STATUS "Release flags: " ${CMAKE_CXX_FLAGS_RELEASE})
message (STATUS "Debug flags: " ${CMAKE_CXX_FLAGS_DEBUG})

if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
# /wd #### - Disable warning
# /we #### - treat warning as error
add_compile_options("/W4") # Enable level-4 warnings
add_compile_options("/we 4265") # Class has virtual functions, but its non-trivial destructor is not virtual
add_compile_options("/we 5204") # Class has virtual functions, but its trivial destructor is not virtual
add_compile_options("/wd 4100") # unreferenced formal parameter
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
add_compile_options(-Wnon-virtual-dtor) # Class has virtual functions, but its destructor is not virtual
add_compile_options(-Wreorder) # Data member will be initialized after [other] data member
add_compile_options(-Wmaybe-uninitialized) # Variable improperly initialized
add_compile_options(-Wunused-variable) # Variable is defined but unused
elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
add_compile_options(-Wnon-virtual-dtor) # Class has virtual functions, but its destructor is not virtual
add_compile_options(-Wreorder) # Data member will be initialized after [other] data member
add_compile_options(-Wsometimes-uninitialized) # Variable improperly initialized
add_compile_options(-Wunused-variable) # Variable is defined but unused
endif()

IF (WIN32)
FIND_PATH(SDL_INCLUDE_PATH SDL/SDL.h
DOC "The directory where GL/glew.h resides")

FIND_LIBRARY( SDL_LIBRARY
    NAMES SDL SDL2
    PATHS
    DOC "The SDL library")

ELSE (WIN32)
ENDIF (WIN32)

SET(SDL_FOUND "NO")
IF (SDL_INCLUDE_PATH AND SDL_LIBRARY)
SET(SDL_LIBRARIES ${SDL_LIBRARY} )
SET(SDL_FOUND "YES")
ENDIF (SDL_INCLUDE_PATH AND SDL_LIBRARY)