* Existing calls to CreateSceneTextureShaderParameters and similar functions use "GetSceneTexturesChecked", which allows for the possibility that they are reached in a code path where scene textures haven't been initialized, and nullptr is returned instead of asserting. The shader parameter setup functions then fill in dummy defaults for that case. The goal was to precisely match the original behavior, which queried the RDG blackboard, and gracefully handled null if scene textures weren't there. This definitely appears to occur in FNiagaraGpuComputeDispatch::ProcessPendingTicksFlush, which can be called with a dummy scene with no scene textures. In the future, I may change this so dummy defaults are filled in for FSceneTextures at construction time, so the structure is never in an uninitialized state, but I would like to set up a test case for the Niagara code path before doing that, and the checks aren't harmful in the meantime.
* I marked as deprecated global functions which query values from FSceneTexturesConfig, but they'll still work with the caveat that if you use multi-view-family rendering, the results will be indeterminate (whatever view family rendered last). There was only one case outside the scene renderer that accessed the globals (depth clear value), which I removed, noting that there is nowhere in the code where we modify the depth clear value from its global default. I would like to permanently deprecate or remove these at some point. Display Cluster is the only code that's currently using the multi-view-family code path, and as a new (still incomplete) feature, third party code can't be using it, and won't be affected.
#jira NONE
#rb chris.kulla zach.bethel mihnea.balta
#preflight 6261aca76119a1a496bd2644
[CL 19873983 by jason hoerner in ue5-main branch]
Submitted on behalf of fred.kimberley
#rb andy.davidson
#preflight 61f8700e41414fb013dd4002
#ROBOMERGE-AUTHOR: andrew.davidson
#ROBOMERGE-SOURCE: CL 18801433 in //UE5/Release-5.0/... via CL 18802090 via CL 18821511
#ROBOMERGE-BOT: UE5 (Release-Engine-Test -> Main) (v908-18788545)
[CL 18821594 by andrew davidson in ue5-main branch]
- Refactored RDG to support free-threaded execution of passes.
- Refactored renderer to use specific RHI command list variants in pass lambda. Immediate command list passes are forced to stay on the render thread, while other variants can be parallelized.
#rb christopher.waters
#ROBOMERGE-SOURCE: CL 16838717 in //UE5/Main/...
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v836-16769935)
[CL 16838724 by zach bethel in ue5-release-engine-test branch]
- Enables overlapping batched and non-batched instance culling (needed for batching work).
- Removes some explicit transitions & minor cleanup.
- Added tracking the required number of instances (fixes non-nanite VSM for large ISMs)
#rb graham.wihlidal,jian.ru,yujiang.wang,zach.bethel
#preflight 60b73f38107dc600017d931b
[CL 16544217 by Ola Olsson in ue5-main branch]
The default material uses the ReflectionCapture UB, which wasn't bound in the editor primitives pass because the real material doesn't need it.
#jira UE-113470
#rnx
#lockdown Michal.Valient
#rb Jason.Nadro, zach.bethel
#ROBOMERGE-SOURCE: CL 16035641 in //UE5/Release-5.0-EarlyAccess/...
#ROBOMERGE-BOT: STARSHIP (Release-5.0-EarlyAccess -> Main) (v789-15992632)
[CL 16037669 by mihnea balta in ue5-main branch]
Pass / view uniform buffers are no longer bound through mesh draw commands. Instead, they are bound using static bindings on the RDG pass. This is necessary because pass uniform buffers contain RDG resources, which need to be declared to RDG.
#rb christopher.waters, Dmitriy.Dyomin
[CL 14899861 by zach bethel in ue5-main branch]
- View / InstancedView uniform buffers are now bound through RDG directly from the FViewInfo, or created on-demand for cases like jitter-free custom depth.
- Removed most of the custom persistent view uniform buffers. Left one in Lumen to be done in a later CL.
- ReflectionCapture uniform buffer is now bound at the RDG pass level.
#rb christopher.waters
[CL 14873982 by zach bethel in ue5-main branch]
