vendored meshoptimizer 1.2(submodule 环境故障改直接 vendor)。Mesh 多 LOD:各级索引连续拼进同一 index buffer(共享顶点,LodRange 区间 选择),解析期 meshopt_simplify 生成链(LOD0=原始,每级目标减半, 相对误差 1e-2,小网格复用上级);都在 worker 线程,加载零额外卡顿。 SceneRenderer 按 (mesh, LOD) 聚合 batch(lookup key = 指针<<8|lod): 主视图按屏占比近似 radius/dist 选级(阈值 10/20 倍半径);阴影级联 按级联序降级(越远越简)。Draw 按 batch.lod 选索引区间。 A/B 对比(100 背包 10×10,RTX 5060 Laptop,vsync off): - 纯背包:LOD 开 93-95 fps / 关 90-107 fps —— 无显著差异 - 加 SunTemple:LOD 开 52-56 / 关 51-55 —— 无显著差异 结论:当前场景瓶颈不在顶点数(5060 顶点吞吐富余),LOD 基础设施 保留(几何复杂资产/低端 GPU/更大场景生效),帧率问题转向 Tracy GPU 时间线定位真实瓶颈。 坑:LodRange 记录"LOD 不足复用最后一级"时 first 不得继续累加 (buffer 无重复数据,累加必越界——VUID-08798 抓的)。
60 lines
1.4 KiB
JSON
60 lines
1.4 KiB
JSON
{
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"name": "meshoptimizer",
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"version": "1.2.0",
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"description": "Mesh optimization library that makes meshes smaller and faster to render",
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"author": "Arseny Kapoulkine",
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"license": "MIT",
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"bugs": "https://github.com/zeux/meshoptimizer/issues",
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"homepage": "https://github.com/zeux/meshoptimizer",
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"keywords": [
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"compression",
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"mesh"
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],
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"repository": {
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"type": "git",
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"url": "https://github.com/zeux/meshoptimizer"
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},
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"files": [
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"*.cjs",
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"*.mjs",
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"*.js",
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"*.ts"
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],
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"type": "module",
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"main": "index.js",
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"types": "index.d.ts",
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"exports": {
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".": {
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"types": "./index.d.ts",
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"default": "./index.js"
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},
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"./encoder": {
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"types": "./meshopt_encoder.d.ts",
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"default": "./meshopt_encoder.js"
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},
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"./decoder": {
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"types": "./meshopt_decoder.d.ts",
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"default": "./meshopt_decoder.mjs"
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},
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"./simplifier": {
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"types": "./meshopt_simplifier.d.ts",
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"default": "./meshopt_simplifier.js"
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},
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"./clusterizer": {
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"types": "./meshopt_clusterizer.d.ts",
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"default": "./meshopt_clusterizer.js"
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},
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"./tangents": {
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"types": "./meshopt_tangents.d.ts",
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"default": "./meshopt_tangents.js"
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},
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"./decoder.cjs": {
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"require": "./meshopt_decoder.cjs"
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}
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},
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"scripts": {
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"test": "node meshopt_encoder.test.js && node meshopt_decoder.test.js && node meshopt_simplifier.test.js && node meshopt_clusterizer.test.js && node meshopt_tangents.test.js",
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"prepublishOnly": "npm test"
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}
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}
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