CMakeLists.txt

cmake_minimum_required(VERSION 3.10)

# set the project name
project(QuadMeshGenerator)

# specify the C++ standard
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED True)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
# Set up libraries

add_library(thread_support STATIC
    ./src/thread_support/thread_support.cpp
    ./src/thread_support/thread_support.h
)
if(FALSE)
add_library(qmorph STATIC
  ./src/qmorph/frontedge_operator.cpp
  ./src/qmorph/frontedge_operator.h
  ./src/qmorph/qmorph_operator.cpp
  ./src/qmorph/qmorph_operator.h
  ./src/qmorph/sidedefine_operator.cpp
  ./src/qmorph/sidedefine_operator.h
  ./src/qmorph/component_operator.h
  ./src/qmorph/component_operator.cpp
  ./src/qmorph/util.h
  ./src/qmorph/util.cpp
  ./src/qmorph/smoother.h
  ./src/qmorph/smoother.cpp
  ./src/qmorph/frontedge.h
  ./src/qmorph/qmorph_display.cpp
  ./src/qmorph/qmorph_display.h
)

target_include_directories(qmorph PUBLIC
    ./3rdparty/eigen-3.4.0
    ./3rdparty/glm
)
endif()

add_library(mesh STATIC
  ./src/mesh/components.cpp
  ./src/mesh/components.h
  ./src/mesh/core.h
  ./src/mesh/display.cpp
  ./src/mesh/display.h
  ./src/mesh/io.cpp
  ./src/mesh/io.h
  ./src/mesh/operator.h
  ./src/mesh/operator.cpp
  ./src/mesh/misc/parser.h
  ./src/mesh/misc/strutil.h
  ./src/mesh/assert.h
  ./src/mesh/assert.cpp
  ./src/mesh/recorder.cpp
  ./src/mesh/recorder.h
)

target_include_directories(mesh PUBLIC
    ./3rdparty/eigen-3.4.0
    ./3rdparty/glm
    ./3rdparty/tinyobj
    ./3rdparty/boost_1_82_0
)

# ---------------------------------------------------------------------------
# Laplacian 

add_library( quad_laplacian STATIC
  ./src/laplacian/laplacian.h
  ./src/laplacian/laplacian.cpp
)

target_include_directories( quad_laplacian PUBLIC
    ./3rdparty/eigen-3.4.0
    ./3rdparty/glm
)
# ---------------------------------------------------------------------------
# Wave-based Anisotropic Quadrangulation 

add_library( wave_quadrangulation STATIC
  ./src/wave_quadrangulation/wave_quadrangulation.h
  ./src/wave_quadrangulation/wave_quadrangulation.cpp
)

target_include_directories( wave_quadrangulation PUBLIC
    ./3rdparty/eigen-3.4.0
    ./3rdparty/glm
)
# ---------------------------------------------------------------------------
# Globally Smooth Parameterization 

add_library( parameterization STATIC
  ./src/parameterization/parameterization.h
  ./src/parameterization/parameterization.cpp
)

target_include_directories( parameterization PUBLIC
    ./3rdparty/eigen-3.4.0
)
target_link_libraries( parameterization PUBLIC laplacian )



add_library(morse_smale_complex STATIC
  ./src/msc/msc.h
  ./src/msc/msc.cpp
)

target_include_directories(morse_smale_complex PUBLIC
  ./3rdparty/eigen-3.4.0
  ./3rdparty/glm
)

target_link_libraries(morse_smale_complex PUBLIC quad_laplacian )

add_library(api STATIC
    ./src/api/api.h
    ./src/api/eigen.h
    ./src/api/api.cpp
)

target_include_directories(api PUBLIC
    ./3rdparty/json
    ./3rdparty/cpp-httplib
    ./3rdparty/eigen-3.4.0
)


# Set up executables/viewers
# Find OpenGL
find_package(OpenGL REQUIRED)

# Add GLFW
set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
add_subdirectory(./3rdparty/glfw-3.3.2)

# Add GLAD
add_subdirectory(./3rdparty/glad)

# Add ImGUI
add_subdirectory(./3rdparty/imgui-1.90)

# Add TTK 
add_subdirectory(./src/ttk)

# Add tinyobj
add_library(tinyobj STATIC
    ./3rdparty/tinyobj/tiny_obj_loader.h
    ./3rdparty/tinyobj/tiny_obj_loader.cc
)

# Add plugin
add_subdirectory(./Plugin)

add_executable(GLMeshViewer
    ./src/glmeshviewer_main.cpp
    ./src/glmeshviewer.cpp
    ./src/glmeshviewer.h
    ./src/camera.h
    ./src/camera.cpp
    ./src/shader.h
    ./src/shader.cpp
    ./src/drawable.h
    ./src/drawable.cpp
    ./src/objmodel.cpp
    ./src/objmodel.h
    ./src/test_operator.cpp
    ./src/test_operator.h
)

target_include_directories(GLMeshViewer PUBLIC 
    ./3rdparty/imgui-1.90
    ./3rdparty/glm
    ./3rdparty/tinyobj
    ./3rdparty/eigen-3.4.0
)

target_link_libraries(GLMeshViewer PUBLIC thread_support mesh glad glfw imgui tinyobj opengl32 laplacian morse_smale_complex api)

add_executable(test_thread
    ./src/tests/test_thread.cpp
    ./src/tests/test_thread.h
)
target_link_libraries(test_thread PUBLIC thread_support api)

target_include_directories(test_thread PUBLIC
  ./3rdparty/glm
    ./3rdparty/eigen-3.4.0
)

if (CMAKE_COMPILER_IS_GNUCXX)
    set(CMAKE_CXX_FLAGS "-g -O0 -Wall -fprofile-arcs -ftest-coverage")
    set(CMAKE_CXX_OUTPUT_EXTENSION_REPLACE ON)
    set(QMORPH_OBJECT_DIR ${CMAKE_BINARY_DIR}/CMakeFiles/qmorph.dir)
    message("-- Object files will be output to: ${QMORPH_OBJECT_DIR}")
    add_custom_target(gcov
        COMMAND mkdir coverage
        COMMAND ${CMAKE_MAKE_PROGRAM} test
        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
    )
    add_custom_command(TARGET gcov
        COMMAND echo "=================== GCOV ===================="
        COMMAND gcov -b ${CMAKE_SOURCE_DIR}/src/qmorph/*.cpp -o ${QMORPH_OBJECT_DIR}/src/qmorph
        COMMAND echo "-- Coverage files have been output to ${CMAKE_BINARY_DIR}/coverage"
        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/coverage
    )
    add_dependencies(gcov GLMeshViewer)
    set_property(DIRECTORY APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES coverage)
    add_custom_target(scrub
        COMMAND ${CMAKE_MAKE_PROGRAM} clean
        COMMAND rm -f ${QMORPH_OBJECT_DIR}/*.gcno
        COMMAND rm -f ${QMORPH_OBJECT_DIR}/*.gcda
        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
    )
    enable_testing()
    add_test(output_test ${CMAKE_CURRENT_BINARY_DIR}/GLMeshViewer)
    set_tests_properties(output_test PROPERTIES PASS_REGULAR_EXPRESSION "0;5;10")
endif ()