ue xcode debug shader

https://docs.unrealengine.com/en-US/Programming/Rendering/ShaderDevelopment/ShaderCompileProcess/index.html

Engine/Config/ConsoleVariables.ini

　这两个个注释打开

r.Shaders.Optimize=0

r.Shaders.KeepDebugInfo=1

编ue 出ios包

xcode抓帧后就能看到shader代码了 和renderdoc是一样的

https://docs.unrealengine.com/en-US/Engine/Performance/RenderDoc/index.html