- Factor out the batching setup & merging from the deferred instance culling
- Refactor the instance culling load balancer to be able to share types between different allocators
- Make batching logic use scene rendering allocator
- Rename RenderVirtualShadowMapsHw to RenderVirtualShadowMapsNonNanite (and similar names)
- Refactor view setup logic for Nanite & Non into common functions
#rb andrew.lauritzen
#ROBOMERGE-AUTHOR: ola.olsson
#ROBOMERGE-SOURCE: CL 18293379 via CL 18373760 via CL 18373855
#ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v895-18170469)
[CL 18373879 by ola olsson in ue5-release-engine-test branch]
- Add some dither noise to both the SMRT result and the shadow mask lookup to minimize banding
- Fall back to a single sample VSM lookup (with a generous static bias) when overflowing the number of lights in one pass projection path
- Fix clamping issue with page dilation that was setting extraneous pages with point lights
- Fix SMRT issue with local lights jammed right next to geometry viewed at a distance
- Separate settings for page dilation for local and directional lights
- Add simple debug output for # lights in one pass projection
- Remove some dead code/parameters
#ROBOMERGE-AUTHOR: andrew.lauritzen
#ROBOMERGE-SOURCE: CL 18279117 via CL 18373418 via CL 18373449
#ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v895-18170469)
[CL 18373485 by andrew lauritzen in ue5-release-engine-test branch]
Add cvar for 32 vs 16-bit VSM. Default 32 as currently but will revisit.
Minor cvar rename for consistency.
Enforce SM5 for VSM shaders (already implied by Nanite support, but make it explicit.)
#rb rune.stubbe
[FYI] ola.olsson
#preflight 615cc74ebb992a0001e4adaa
#lockdown michal.valient
#ROBOMERGE-AUTHOR: andrew.lauritzen
#ROBOMERGE-SOURCE: CL 17729626 via CL 17980774 via CL 18366981 via CL 18367016
#ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v895-18170469)
[CL 18367032 by andrew lauritzen in ue5-release-engine-test branch]
Minor cleanup to logic to try and avoid similar issues
#rb graham.wihlidal
[FYI] ola.olsson
#preflight 6156462e9dc4c50001365202
#lockdown michal.valient
#ROBOMERGE-AUTHOR: andrew.lauritzen
#ROBOMERGE-SOURCE: CL 17685329 via CL 17967455 via CL 18366106 via CL 18366202
#ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v895-18170469)
[CL 18366310 by andrew lauritzen in ue5-release-engine-test branch]
- Added stats for non-nanite VSM instance culling (moved VSM stats functionality into own file).
- r.Shadow.Virtual.NonNanite.UseHZB == 2 (default) uses the current-frame Nanite VSM HZB as this enables correct culling for camera cuts & light movement and contains most of the occluding geometry.
#rb Andrew.Lauritzen
#preflight 6138a6582d09b90001568819
#ROBOMERGE-OWNER: jon.nabozny
#ROBOMERGE-AUTHOR: ola.olsson
#ROBOMERGE-SOURCE: CL 17470225 via CL 17923040 via CL 18360986 via CL 18361244
#ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v895-18170469)
[CL 18361409 by jon nabozny in ue5-release-engine-test branch]
Add static_assert to prevent the creation of new ones moving forward.
Used SHADER_PARAMETER_SCALAR_ARRAY/GET_SCALAR_ARRAY_ELEMENT for single parameters, or packed them with surrounding parameters when possible.
#rb Guillaume.Abadie,Daniel.Wright,Charles.deRousiers
#preflight 61577bf15631d900011d59a1
#ROBOMERGE-AUTHOR: jeannoe.morissette
#ROBOMERGE-SOURCE: CL 17707027 in //UE5/Main/...
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v879-17706426)
#ROBOMERGE[STARSHIP]: UE5-Release-Engine-Staging Release-5.0
[CL 17707037 by jeannoe morissette in ue5-release-engine-test branch]
- preparational step to enable HZB culling of invalidations in an uniform way.
- also add FComputeShaderUtils helper to set up an indirect dispatch.
#rb andrew.lauritzen
#preflight 6130818017a8610001b0cfc7
#ROBOMERGE-SOURCE: CL 17400532 via CL 17400838
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v865-17346139)
[CL 17400862 by ola olsson in ue5-release-engine-test branch]
Page allocation part is a fairly minor benefit in most scenes but can occasionally make a big difference.
Projection early-out is a pretty uniform benefit all the time, especially with SMRT.
#preflight 612d1b836a14cc000118f03a
#rb ola.olsson
#ROBOMERGE-SOURCE: CL 17388425 via CL 17389280
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v865-17346139)
[CL 17389330 by andrew lauritzen in ue5-release-engine-test branch]
Add cvar for including non-nanite geometry in coarse pages (so that one can disable for performance reasons). Default on.
Some general unused flags cleanup.
#rb rune.stubbe
#preflight 610ccc0e6c6eb0000196b59e
#ROBOMERGE-SOURCE: CL 17085350 via CL 17095081
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v853-17066230)
[CL 17095354 by andrew lauritzen in ue5-release-engine-test branch]
Run a compute job that packs most commonly used instance data (LocalToWorld matrix and some other bits - 80 bytes) into per-instance vertex buffer. Vertex shader does not have access to GPUScene and instead loads instance data from a per-instance vertex buffer. If it needs more primitive/instance data than available then it will load it from Primitive UB, binding unique uniform buffer and breaking auto-instancing. Pixel shader has a full access to a GPUScene
There are 3 ways how FSceneDataIntermediates gets populated
1. PrimitiveId + GPUScene (Desktop)
2. Per-Instance data + Primitive UB (Mobile)
3. Primitive UB (auto-instancing disabled)
Details for GPUScene specific vertex inputs and access to FSceneDataIntermediates are hidden behind a macro:
VF_GPUSCENE_DECLARE_INPUT_BLOCK
VF_GPUSCENE_GET_INTERMEDIATES
FSceneDataIntermediates is now stored in FVertexFactoryIntermediates, FMaterialVertexParameters. Added a few GetPrimitiveData() overloads that allows you to access PrimitiveData depending on current context. Removed most of the cases where GetPrimitiveData() gets used with PrimitiveId.
#rb Ola.Ollson
#ROBOMERGE-SOURCE: CL 17093848 in //UE5/Main/...
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v853-17066230)
[CL 17093856 by dmitriy dyomin in ue5-release-engine-test branch]
