zach bethel 16dcf5b313 Refactored Lumen and Distance Field buffers to RDG. ...

- Replaced FRW{Structured, ByteAddress}Buffer with TRefCountPtr<FRDGPooledBuffer>
 - Replaced ResizeResourceIfNeeded with Resize{Structured, ByteAddress}BufferIfNeeded.
 - Replaced FScatterUploadBuffer with FRDGScatterUploadBuffer.
 - Removed awkward copy of page table buffers now that scatters are on the RDG timeline.
 - Reduced number of uniform buffers created by consolidating within FLumenSceneFrameTemporaries.
 - Fixed up const-correctness of FLumenSceneFrameTemporaries to sanity check that resources were not being mutated later in the frame.
 - Reduced explicit view creations somewhat.
 - Distance fields needs an FDistanceFieldSceneFrameTemporaries to cache RDG resources, but I held off on this due to the number of files it would touch.

#rb krzyzstof.narkowicz, daniel.wright

#ROBOMERGE-AUTHOR: zach.bethel
#ROBOMERGE-SOURCE: CL 19921040 via CL 19922067 via CL 19922607
#ROBOMERGE-BOT: UE5 (Release-Engine-Staging -> Main) (v943-19904690)

[CL 19925590 by zach bethel in ue5-main branch]

2022-04-26 14:37:07 -04:00

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