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
64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
#pragma once
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/**
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* @file parallel_mc.h
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* @brief 并行 Marching Cubes
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*
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* 体素网格分块并行处理，每线程独立三角形缓冲区，最终合并。
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* 支持自适应八叉树分辨率。
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*
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* @ingroup mesh
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*/
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#include "vde/mesh/halfedge_mesh.h"
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#include "vde/sdf/sdf_tree.h"
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#include <vector>
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#include <functional>
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namespace vde::mesh {
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// ═══════════════════════════════════════════════════════════
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// Parallel Marching Cubes
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// ═══════════════════════════════════════════════════════════
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/// 并行 MC 配置
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struct ParallelMCConfig {
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int resolution = 64; ///< 基础分辨率（每轴体素数）
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int num_threads = 0; ///< 线程数（0 = 自动）
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bool adaptive = false; ///< 是否启用自适应分辨率
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double min_voxel_size = 0.01; ///< 自适应最小体素
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int max_depth = 4; ///< 自适应最大细分深度
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};
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/**
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* @brief 并行 Marching Cubes
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*
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* 将体素网格沿 Z 轴分块，每线程处理一块。
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* SDF 求值需要线程安全（只读操作）。
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*
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* @param sdf SDF 求值函数 f(x,y,z) → signed distance
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* @param bounds 体素空间包围盒
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* @param config 配置参数
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* @return 生成的三角网格
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*/
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[[nodiscard]] HalfedgeMesh parallel_marching_cubes(
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const std::function<double(double, double, double)>& sdf,
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const core::AABB3D& bounds,
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const ParallelMCConfig& config = {});
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/**
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* @brief 并行自适应 Marching Cubes
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*
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* 平坦区域用大格子，曲面附近细分。
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*
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* @param sdf SDF 求值函数
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* @param bounds 包围盒
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* @param config 配置参数
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* @return 生成的三角网格
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*/
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[[nodiscard]] HalfedgeMesh parallel_adaptive_mc(
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const std::function<double(double, double, double)>& sdf,
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const core::AABB3D& bounds,
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const ParallelMCConfig& config = {});
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} // namespace vde::mesh
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