How to using bindless resources in a custom shader？

Development Rendering
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1

Recently, UE5.6 has supported bindless.

But I don’t know how to use it?

​Here, I’ll copy a similar question from the community. Using bindless resources in a custom shader - Development / Rendering - Epic Developer Community Forums

So my main questions are:

  • How to declare a bindless resource array in a shader?
  • How to declare a bindless resource array in a shader parameter struct?
  • How to fetch a texture from a bindless resources in shader?
  • How to properly fill parameter struct when using bindless resources?

Could there be some test cases or some small examples?

2

Hello, we added experimental support for bindless in UE 5.4 and it’s still experimental in UE 5.6, but we don’t currently have a way to make custom code that uses bindless resources directly, the current implementation is a fully-automated conversion from “bindful” to bindless. The best reference would be to see how UTextureCollection uses bindless, though it is experimental and likely to undergo changes.