How to Use RHILockStructuredBuffer When Editor Lanuch With DX12

Development Programming & Scripting
1

when I call RHILockStructuredBuffer to read data from UAV after execute computeshader over. Editor will crush.
it will occur when Editor Lanuch with DX12. I debug the code and found, it will check(IsInRenderingThread && !GRHIThreadID). but ,if in RenderingThread, GRHIThreadID is always > 0. because, DX12 supports RHIThread.
the bool variable GRHISupportsRHIThread in D3D12RHI.cpp file is always true, so Engine will allocate ID for RenderingThread.I am sure this is a Bug for UE. please check this question, thank you.

2

Hello,

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Thanks