This represents UE4/Main @17911760, Release-5.0 @17915875 and Dev-PerfTest @17914035
[CL 17918595 by aurel cordonnier in ue5-release-engine-test branch]
- Simplified texture subresource tracking.
- Removed map lookup for each resource in SetupPass.
- Improved Compile / CollectPassResources to reduce cache misses.
- Added some container reservations to reduce reallocation costs.
- Added snapping of buffers to page boundaries to improve re-use.
#rb none
[CL 16208311 by zach bethel in ue5-main branch]
- Views are cached on RHI transient resources; view renames are no longer necessary.
- RHI Transient resources utilize a single cache per heap keyed off of the descriptor + offset. Resource caches and heaps are garbage collected.
- CPU performance is effectively equivalent to the existing pooled resource method.
- Added common RHI transient resource allocator implementation in RHI core; significantly reduces the amount of platform code.
- Resource aliasing overlaps are tracked by the RHI and submitted through an acquire operation.
- Fixed D3D12 implementation to support multi-GPU.
- Removed condition that excluded small (<64k) buffers in the transient allocator.
- RHI validation now checks that resource overlaps are valid; i.e. if an overlap occurs between resource A and B during an acquire of B, validation checks that A has been discarded.
#rb graham.wihlidal, luke.thatcher, kenzo.terelst
[CL 16076280 by zach bethel in ue5-main branch]
- Replaced legacy transient support from RDG and replaced with new API.
- Reworked acquire / discard operations a bit and added RHI validation to track correctness.
- Reworked RDG barrier batching to include acquire / discard operations.
- Hardened render pass merging logic and expanded to support lifetime extension of transient resources.
- Added transient tag to RDG insights to track which resources are transient.
#rb luke.thatcher, kenzo.terelst
[CL 15726534 by zach bethel in ue5-main branch]
#rnx
#rb none
#ROBOMERGE-OWNER: ryan.durand
#ROBOMERGE-AUTHOR: ryan.durand
#ROBOMERGE-SOURCE: CL 10869210 via CL 10869511 via CL 10869900
#ROBOMERGE-BOT: (v613-10869866)
[CL 10870549 by ryan durand in Main branch]
