ViewDesignEngine/src/CMakeLists.txt

# ── 编译选项接口目标 ──────────────────────────────

# ── foundation ─────────────────────────────────────
add_library(vde_foundation STATIC
    foundation/tolerance.cpp
    foundation/exact_predicates.cpp
    foundation/io_obj.cpp
    foundation/io_stl.cpp
    foundation/serializer.cpp
    foundation/io_ply.cpp
    foundation/io_gltf.cpp
    foundation/io_3mf.cpp
    foundation/industrial_formats.cpp
)
target_include_directories(vde_foundation
    PUBLIC  ${CMAKE_SOURCE_DIR}/include
    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
)
target_link_libraries(vde_foundation
    PUBLIC  vde_compile_options Eigen3::Eigen
)

# ── core ───────────────────────────────────────────
add_library(vde_core STATIC
    core/polygon.cpp
    core/voronoi.cpp
    core/distance.cpp
    core/convex_hull.cpp
    core/icp.cpp
    core/cam_toolpath.cpp
    core/cam_strategies.cpp
    core/exact_predicates.cpp
)
target_include_directories(vde_core
    PUBLIC  ${CMAKE_SOURCE_DIR}/include
    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
)
target_link_libraries(vde_core
    PUBLIC  vde_foundation vde_compile_options
)

# ── curves ─────────────────────────────────────────
add_library(vde_curves STATIC
    curves/bezier_curve.cpp
    curves/bspline_curve.cpp
    curves/nurbs_curve.cpp
    curves/bezier_surface.cpp
    curves/bspline_surface.cpp
    curves/nurbs_surface.cpp
    curves/nurbs_operations.cpp
    curves/surface_intersection.cpp
    curves/tessellation.cpp
    curves/parallel_intersection.cpp
    curves/surface_fairing.cpp
    curves/exact_offset.cpp
    curves/surface_extension.cpp
    curves/surface_continuity.cpp
    curves/surface_analysis.cpp
)
target_include_directories(vde_curves
    PUBLIC  ${CMAKE_SOURCE_DIR}/include
    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
)
target_link_libraries(vde_curves
    PUBLIC  vde_core vde_compile_options
)

# ── mesh ────────────────────────────────────────────
add_library(vde_mesh STATIC
    mesh/halfedge_mesh.cpp
    mesh/delaunay_2d.cpp
    mesh/cdt_2d.cpp
    mesh/delaunay_3d.cpp
    mesh/mesh_simplify.cpp
    mesh/mesh_smooth.cpp
    mesh/mesh_boolean.cpp
    mesh/mesh_quality.cpp
    mesh/mesh_repair.cpp
    mesh/alpha_shapes.cpp
    mesh/mesh_parameterize.cpp
    mesh/geodesic.cpp
    mesh/mesh_curvature.cpp
    mesh/marching_cubes.cpp
    mesh/mesh_lod.cpp
    mesh/parallel_mc.cpp
)
target_include_directories(vde_mesh
    PUBLIC  ${CMAKE_SOURCE_DIR}/include
    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
)
target_link_libraries(vde_mesh
    PUBLIC  vde_core vde_brep vde_compile_options
)

# ── spatial ─────────────────────────────────────────
add_library(vde_spatial STATIC
    spatial/bvh.cpp
    spatial/octree.cpp
    spatial/kd_tree.cpp
    spatial/r_tree.cpp
    spatial/incremental_bvh.cpp
)
target_include_directories(vde_spatial
    PUBLIC  ${CMAKE_SOURCE_DIR}/include
    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
)
target_link_libraries(vde_spatial
    PUBLIC  vde_core vde_compile_options
)

# ── boolean ─────────────────────────────────────────
add_library(vde_boolean STATIC
    boolean/boolean_2d.cpp
    boolean/boolean_mesh.cpp
    boolean/polygon_offset.cpp
)
target_include_directories(vde_boolean
    PUBLIC  ${CMAKE_SOURCE_DIR}/include
    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
)
target_link_libraries(vde_boolean
    PUBLIC  vde_mesh vde_spatial vde_compile_options
)

# ── collision ───────────────────────────────────────
add_library(vde_collision STATIC
    collision/gjk.cpp
    collision/sat.cpp
    collision/ray_intersect.cpp
    collision/tri_intersect.cpp
)
target_include_directories(vde_collision
    PUBLIC  ${CMAKE_SOURCE_DIR}/include
    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
)
target_link_libraries(vde_collision
    PUBLIC  vde_core vde_spatial vde_compile_options
)

# ── 聚合库 ──────────────────────────────────────────
add_library(vde INTERFACE)
target_link_libraries(vde
    INTERFACE vde_foundation
    INTERFACE vde_core
    INTERFACE vde_curves
    INTERFACE vde_mesh
    INTERFACE vde_spatial
    INTERFACE vde_boolean
    INTERFACE vde_collision
    INTERFACE vde_sdf
    INTERFACE vde_brep
    INTERFACE vde_sketch
)
add_library(vde::engine ALIAS vde)

# ── brep ───────────────────────────────────────────
add_library(vde_brep STATIC
    brep/brep.cpp
    brep/interference_check.cpp
    brep/motion_simulation.cpp
    brep/explode_view.cpp
    brep/gdt.cpp
    brep/incremental_update.cpp
    brep/large_assembly.cpp
    brep/format_io.cpp
    brep/tolerance.cpp
    brep/modeling.cpp
    brep/brep_drawing.cpp
    brep/auto_dimensioning.cpp
    brep/pmi_mbd.cpp
    brep/step_export.cpp
    brep/step_import.cpp
    brep/iges_import.cpp
    brep/iges_export.cpp
    brep/brep_boolean.cpp
    brep/ssi_boolean.cpp
    brep/brep_validate.cpp
    brep/brep_heal.cpp
    brep/brep_face_split.cpp
    brep/feature_tree.cpp
    brep/assembly_constraints.cpp
    brep/constraint_solver.cpp
    brep/measure.cpp
    brep/trimmed_surface.cpp
    brep/dxf_import.cpp
    brep/assembly_instance.cpp
    brep/euler_op.cpp
    brep/draft_analysis.cpp
    brep/incremental_mesh.cpp
    brep/kinematic_chain.cpp
    brep/parallel_boolean.cpp
    brep/feature_recognition.cpp
    brep/defeature.cpp
    brep/advanced_blend.cpp
    brep/assembly_feature.cpp
    brep/fastener_library.cpp
    brep/flexible_assembly.cpp
    brep/assembly_lod.cpp
    brep/ffd_deformation.cpp
)
target_include_directories(vde_brep
    PUBLIC  ${CMAKE_SOURCE_DIR}/include
    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
)
target_link_libraries(vde_brep
    PUBLIC  vde_curves vde_mesh vde_collision vde_compile_options
)

# ── sketch ─────────────────────────────────────────
add_library(vde_sketch STATIC
    sketch/constraint_solver.cpp
)
target_include_directories(vde_sketch
    PUBLIC  ${CMAKE_SOURCE_DIR}/include
    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
)
target_link_libraries(vde_sketch
    PUBLIC  vde_core vde_compile_options
)

# ── sdf ────────────────────────────────────────────
add_library(vde_sdf STATIC
    sdf/sdf_primitives.cpp
    sdf/sdf_tree.cpp
    sdf/sdf_to_mesh.cpp
    sdf/sdf_torch.cpp
    sdf/sdf_optimize.cpp
)
target_include_directories(vde_sdf
    PUBLIC  ${CMAKE_SOURCE_DIR}/include
    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
)
target_link_libraries(vde_sdf
    PUBLIC  vde_core vde_mesh vde_compile_options
)

# ── C API ──────────────────────────────────────────
add_library(vde_capi STATIC
    capi/vde_capi.cpp
)
target_include_directories(vde_capi
    PUBLIC  ${CMAKE_SOURCE_DIR}/include
    PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
)
target_link_libraries(vde_capi
    PUBLIC  vde_brep vde_sketch vde_collision vde_boolean vde_spatial
    PUBLIC  vde_mesh vde_curves vde_core vde_foundation vde_compile_options
)

# ── GMP exact predicates (optional) ──
if(VDE_USE_GMP)
    list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
    find_package(GMP REQUIRED)
    target_compile_definitions(vde_foundation PUBLIC VDE_USE_GMP)
    target_include_directories(vde_foundation PUBLIC ${GMP_INCLUDE_DIRS})
    target_link_libraries(vde_foundation PUBLIC ${GMP_LIBRARIES})
    message(STATUS "GMP exact arithmetic: ${GMP_INCLUDE_DIRS}")
else()
    message(STATUS "GMP disabled (-DVDE_USE_GMP=ON to enable)")
endif()

# ── OpenMP parallelization ──
if(VDE_USE_OPENMP)
    find_package(OpenMP)
    if(OpenMP_CXX_FOUND)
        target_link_libraries(vde_brep PUBLIC OpenMP::OpenMP_CXX)
        target_compile_definitions(vde_brep PUBLIC VDE_USE_OPENMP)
        message(STATUS "OpenMP enabled")
    else()
        message(STATUS "OpenMP not found (parallelism disabled)")
    endif()
endif()

# ── GPU (CUDA) acceleration ────────────────────────
if(VDE_USE_CUDA)
    # 支持 CUDA 10.0+，兼容 CMake 3.16+ 的 FindCUDAToolkit
    find_package(CUDAToolkit QUIET)
    if(CUDAToolkit_FOUND)
        enable_language(CUDA)
        set(CMAKE_CUDA_STANDARD 14)
        set(CMAKE_CUDA_STANDARD_REQUIRED ON)

        # GPU 加速库（混合 C++ / CUDA）
        add_library(vde_gpu STATIC
            gpu/gpu_acceleration.cpp
            gpu/gpu_acceleration.cu
        )
        target_include_directories(vde_gpu
            PUBLIC  ${CMAKE_SOURCE_DIR}/include
            PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
        )
        target_compile_definitions(vde_gpu PUBLIC VDE_USE_CUDA=1)
        target_link_libraries(vde_gpu
            PUBLIC  vde_mesh vde_compile_options CUDA::cudart
        )
        # 将 vde_gpu 加入聚合接口
        target_link_libraries(vde INTERFACE vde_gpu)
        message(STATUS "CUDA GPU acceleration enabled (${CUDAToolkit_VERSION})")
    else()
        message(STATUS "CUDAToolkit not found — GPU acceleration disabled")
        set(VDE_USE_CUDA OFF)
    endif()
else()
    # 无 CUDA 时仍编译 CPU-only 库
    add_library(vde_gpu STATIC
        gpu/gpu_acceleration.cpp
    )
    target_include_directories(vde_gpu
        PUBLIC  ${CMAKE_SOURCE_DIR}/include
        PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
    )
    target_link_libraries(vde_gpu
        PUBLIC  vde_mesh vde_compile_options
    )
    target_link_libraries(vde INTERFACE vde_gpu)
    message(STATUS "GPU library (CPU-only, use -DVDE_USE_CUDA=ON for CUDA)")
endif()