茂之钳
cf38d76fd0
M1 — Memory Pool (内存池): - ObjectPool<T>: O(1) acquire/release with free-list, chunk-based expansion - ThreadSafeObjectPool<T>: per-thread local pools with global fallback - CowPtr<T>: copy-on-write smart pointer with shallow/deep copy - 10 tests: single/multi-thread, CoW detach, reuse rate M2 — Parallel Boolean (并行布尔): - parallel_face_face_intersection(): OpenMP face-pair dispatch with AABB culling - parallel_classify_faces(): thread-safe ray casting classification - parallel_mesh_union/intersection/difference + B-Rep variants - Thread count management API - 12 tests: coverage, empty cases, identity operations M3 — Parallel Marching Cubes (并行MC): - parallel_marching_cubes(): Z-slice parallel voxel processing - parallel_adaptive_mc(): octree-based adaptive resolution - Complete 256-entry edge table + Möller-Trumbore interpolation - 5 tests: sphere basic/high-res/empty/adaptive/threaded M4 — Parallel Surface Intersection (并行求交): - parallel_curve_intersections(): per-pair parallel dispatch - parallel_surface_intersection(): recursive subdivision + Newton refinement - AABB broad-phase culling before narrow-phase - 4 tests: curve pairs, surface batch M5 — GMP Exact Predicates (精确谓词): - exact_orient2d/3d: adaptive precision (double → GMP fallback) - exact_in_sphere: circumsphere test with degenerate handling - exact_point_in_polygon/polyhedron: robust ray casting - PrecisionMode: Fast/Adaptive/Exact with global toggle - 12 tests: all orientations, boundary cases, mode switching 21 files, +2263 lines
118 lines
4.1 KiB
C++
118 lines
4.1 KiB
C++
#pragma once
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/**
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* @file parallel_boolean.h
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* @brief 并行布尔运算
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*
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* OpenMP 并行化：面-面求交、射线分类、网格构建。
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* 串行兼容（OpenMP 不可用时退化到串行）。
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*
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* @ingroup brep
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*/
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#include "vde/brep/brep.h"
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#include "vde/mesh/halfedge_mesh.h"
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#include <vector>
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#include <functional>
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namespace vde::brep {
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// ═══════════════════════════════════════════════════════════
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// Parallel Face-Face Intersection
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// ═══════════════════════════════════════════════════════════
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/**
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* @brief 并行计算两实体所有面对的交线
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*
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* 外层循环用 OpenMP parallel for 分发面对，内层为单对求交。
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* 结果线程安全合并。
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*
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* @param a 实体 A
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* @param b 实体 B
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* @return 所有交线段的集合（每条交线段为 {起点, 终点}）
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*/
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[[nodiscard]] std::vector<std::pair<core::Point3D, core::Point3D>>
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parallel_face_face_intersection(const BrepModel& a, const BrepModel& b);
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// ═══════════════════════════════════════════════════════════
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// Parallel Classification
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// ═══════════════════════════════════════════════════════════
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/// 面分类结果
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enum class FaceClassification {
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Inside, ///< 面在另一实体内部
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Outside, ///< 面在另一实体外部
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OnBoundary, ///< 面在边界上
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Unknown, ///< 无法确定
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};
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/**
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* @brief 并行对面进行分类（IN/OUT/ON 判定）
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*
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* 每个面独立射线投射测试，线程安全。
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*
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* @param faces 待分类的面ID列表
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* @param body 目标实体
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* @return face_id → 分类结果
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*/
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[[nodiscard]] std::vector<FaceClassification>
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parallel_classify_faces(const BrepModel& body,
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const std::vector<int>& face_ids);
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// ═══════════════════════════════════════════════════════════
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// Parallel Boolean Operations
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// ═══════════════════════════════════════════════════════════
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/**
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* @brief 并行网格布尔并集
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*
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* @param a 实体 A 的网格
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* @param b 实体 B 的网格
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* @return 并集网格
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*/
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[[nodiscard]] mesh::HalfedgeMesh parallel_mesh_union(
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const mesh::HalfedgeMesh& a, const mesh::HalfedgeMesh& b);
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/**
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* @brief 并行网格布尔交集
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*/
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[[nodiscard]] mesh::HalfedgeMesh parallel_mesh_intersection(
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const mesh::HalfedgeMesh& a, const mesh::HalfedgeMesh& b);
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/**
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* @brief 并行网格布尔差集 (A - B)
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*/
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[[nodiscard]] mesh::HalfedgeMesh parallel_mesh_difference(
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const mesh::HalfedgeMesh& a, const mesh::HalfedgeMesh& b);
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/**
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* @brief 并行 B-Rep 布尔并集
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*
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* 完整管线：平行面-面求交 → 平行分类 → 缝合
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*/
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[[nodiscard]] BrepModel parallel_brep_union(
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const BrepModel& a, const BrepModel& b);
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/**
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* @brief 并行 B-Rep 布尔交集
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*/
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[[nodiscard]] BrepModel parallel_brep_intersection(
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const BrepModel& a, const BrepModel& b);
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/**
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* @brief 并行 B-Rep 布尔差集 (A - B)
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*/
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[[nodiscard]] BrepModel parallel_brep_difference(
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const BrepModel& a, const BrepModel& b);
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// ═══════════════════════════════════════════════════════════
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// Performance helpers
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// ═══════════════════════════════════════════════════════════
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/// 获取可用线程数
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[[nodiscard]] int parallel_thread_count();
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/// 设置并行线程数（0 = 自动）
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void set_parallel_threads(int n);
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} // namespace vde::brep
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