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03-UnrealEngine/Rendering/RenderingPipeline/PSO Precache机制笔记.md

@@ -7,12 +7,22 @@ rating: ⭐
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 # 前言
 - 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
 	- [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
 	- 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
 - FGraphEventArray UPrimitiveComponent::PrecachePSOs()
 - void UMaterialInterface::InitDefaultMaterials()