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03-UnrealEngine/Rendering/RenderingPipeline/PSO Precache机制笔记.md
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# 前言 # 前言
- 视频 - 视频
- - [Unreal Engine 5: Setup Precompiling Shaders (Bundled PSO's)](https://www.youtube.com/watch?v=NVoXDgXKS5k)
- [Unreal Engine 5: Show Number Of Compiling Shaders](https://www.youtube.com/watch?v=8h1k2ViADgU)
- 文章 - 文章
- [UE5.3] PSO Cache&PreCache 源码阅读:https://zhuanlan.zhihu.com/p/679832250 - [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 - [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 - Unreal Engine 5.2 MeshPass拓展:https://zhuanlan.zhihu.com/p/671423486
- 优化UE5的PSO卡顿：FileCache，PreCache和异步PSO https://zhuanlan.zhihu.com/p/1898646962561094034 - 优化UE5的PSO卡顿：FileCache，PreCache和异步PSO https://zhuanlan.zhihu.com/p/1898646962561094034
# BundledPSO
可以使用启动命令参数来清除PSO缓存。
- 启动参数
- -logPSO
- -clearPSODriverCache
- 命令行
- r.ShaderPipelineCache.Enable=1
# 执行链 # 执行链
- FGraphEventArray UPrimitiveComponent::PrecachePSOs() - FGraphEventArray UPrimitiveComponent::PrecachePSOs()
- void UMaterialInterface::InitDefaultMaterials() - void UMaterialInterface::InitDefaultMaterials()