4.25 Transition Guide

[tommybazar]

@UnrealXinda

Thanks! This is super helpful. Also it seems that the old helper functions like GetComputeShader() are gone from FShader. Do you have any insights on how to migrate from there?

It’s been just changed a little bit. This works:

  TShaderMapRef<FYourShaderName> ComputeShader(GetGlobalShaderMap(ERHIFeatureLevel::SM5));
  FRHIComputeShader* pShaderRHI = ComputeShader.GetComputeShader();
  RHICmdList.SetComputeShader(pShaderRHI);

@Bencsizy

Any idea for macros like “GETSAFERHISHADER_VERTEX”? They were completely removed.

Those I haven’t been using, try lurking through commits to the file where they were defined on Epic github. It’s always an adventure with a new version