---
title: PSO Precache机制笔记
date: 2025-02-08 20:42:16
excerpt: 
tags: 
rating: ⭐
---
# 前言
- [UE5.3] PSO Cache&PreCache 源码阅读:https://zhuanlan.zhihu.com/p/679832250
- [UE5.3] PSO Cache&PreCache 源码阅读(二):https://zhuanlan.zhihu.com/p/681803986
- Unreal Engine 5.2 MeshPass拓展:https://zhuanlan.zhihu.com/p/671423486
# 执行链
- FGraphEventArray UPrimitiveComponent::PrecachePSOs()
- void UMaterialInterface::InitDefaultMaterials()
- UMaterial::PrecachePSOs

 UMaterial::PrecachePSOs => **MaterialResource->CollectPSOs()** => PrecacheMaterialPSOs() => PrecachePSOs() => CollectPSOs() => CollectPSOInitializers()

# CollectPSOInitializers()
接口IPSOCollector::CollectPSOInitializers()

## 其他MeshProcessor实现