- added bSupportsRayTracingCallableShaders to DDPI.
- only Windows D3D12 RHI supports callable shaders at the moment.
#rb yuriy.odonnell
#preflight 628bb493693c5e1de282983f
[CL 20331097 by tiago costa in ue5-main branch]
This technique is guarded with by a projected settings. It is currently only supported on PC Dx12. This is the initial step for fine grain/per-pixel sorting.
#rb sebastien.hillaire
#jira none
#preflight 623a1884bc1cf2803867d8f8
[CL 19470340 by charles derousiers in ue5-main branch]
AMD still has issues with SM6.6 but we can't wait on their fixes much longer.
#jira none
#rb mihnea.balta, lukas.hermanns
#preflight 61eb15ae731e3b40889d249c
[CL 18697016 by christopher waters in ue5-main branch]
This represents UE4/Main @18073326, Release-5.0 @18081140 and Dev-PerfTest @18045971
[CL 18081471 by aurel cordonnier in ue5-release-engine-test branch]
Originally done by Chris for path tracing, ported for raytracing
#rb chris.kulla, yuriy.odonnell, juan.canada
#jira none
#preflight 617c67b5ec42930001bd07d9
#ROBOMERGE-AUTHOR: charles.derousiers
#ROBOMERGE-SOURCE: CL 17992421 in //UE5/Main/...
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v885-17909292)
[CL 17992424 by charles derousiers in ue5-release-engine-test branch]
Plumb through all required stage flags, access masks, layouts, renderpass attachments, etc for the VK_KHR_fragment_shading_rate extension.
Fix up logic used to gather VRS properties (tile sizes, data type/format).
Add templated version of VkFragmentShadingRateAttachmentInfo, attach to renderpasses where supported and when attachment provided.
#jira UEVR-2248
#rb robert.srinivasiah jeannoe.morissette rolando.caloca
#ROBOMERGE-SOURCE: CL 17380058 in //UE5/Main/...
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v865-17346139)
[CL 17380068 by steve smith in ue5-release-engine-test branch]
Should use the provided shader platform when deciding which permutation to compile instead of relying on the global GRHISupportsWaveOperations
Enable wave operations for PCD3D_SM6 (part of ShaderModel 6.0)
#jira UE-122170
#rb Christopher.Waters
#preflight 6125b1f945848f00013089d9
#ROBOMERGE-SOURCE: CL 17298586 in //UE5/Main/...
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v861-17282326)
[CL 17298597 by chris kulla in ue5-release-engine-test branch]
- Add CVar (r.Vulkan.Allow64bitShaderAtomics) to forcefully disable 64bit image atomics. Currently defaults to 0 (until other components are in).
- Check driver version for Vulkan on NVIDIA, a fix was added for the 64bit image atomics that is required for Nanite. (currently Windows only, Linux TBD)
#rb Rolando.Caloca
[FYI] mihnea.balta,dmitriy.dyomin,brandon.schaefer
#ROBOMERGE-SOURCE: CL 16982971 in //UE5/Main/...
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v838-16927207)
[CL 16982990 by jeannoe morissette in ue5-release-engine-test branch]
