Fix MipLevel sample mode with Adaptive Virtual Texture.
#preflight 61f88a0bf657e25a590668d4
#ROBOMERGE-AUTHOR: jeremy.moore
#ROBOMERGE-SOURCE: CL 18803237 in //UE5/Release-5.0/... via CL 18803254 via CL 18821582
#ROBOMERGE-BOT: UE5 (Release-Engine-Test -> Main) (v908-18788545)
[CL 18821667 by jeremy moore in ue5-main branch]
Use this as id for recording and playback of virtual texture feedback.
Flesh out API for recording and playback of collected ids.
#preflight 61530aa080eba00001a511b6
#rb ben.ingram
#lockdown michal.valient
#ROBOMERGE-AUTHOR: jeremy.moore
#ROBOMERGE-SOURCE: CL 17653384 via CL 17965453 via CL 18365635 via CL 18365739
#ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v895-18170469)
[CL 18365816 by jeremy moore in ue5-release-engine-test branch]
- This should be much faster than previous code which attempted to map all mip levels
- Need to ensure at least lowest resolution mip is mapped, in order to avoid rendering frames with garbage data mapped
- Add warning for AllocatedVTs that never manage to complete this mappings
#rb none
#jira none
#ROBOMERGE-SOURCE: CL 16308484 in //UE5/Main/...
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v800-16297934)
[CL 16308810 by ben ingram in ue5-release-engine-test branch]
- Instead, keep VT cached for a few frames after they are deleted, this way they can be re-used if they're deleted/recreated due to state changes
- This should solve the problem of material changes causing pages to become unmapped for a few frames
#rb none
#jira none
[CL 16209506 by Ben Ingram in ue5-main branch]
- Need to include LocalMipBias, otherwise may not be any data at AllocatedVT's MaxLevel for sparse UDIMs
- Check for overflow when adding lock requests, keep overflow requests around to try again next frame
#rb none
#jira none
[CL 16194638 by Ben Ingram in ue5-main branch]
- It's not possible to make wrapping work correctly for lower mip levels, depending on the sizes of the VTs in the stack
- Now UDIMs that are smaller than stack dimensions will just map the lowest resolution mip to out-of-bounds addresses
- Entire stack will continue to wrap, based on the stack dimensions
- End result is UDIM wrapping should no longer by relied on
#rb none
#jira none
[CL 16184868 by Ben Ingram in ue5-main branch]
- Rework hashing of FAllocatedVTDescription to be more explicit about hashing each individual member, don't hash the debug name
#rb none
#jira none
[CL 15732300 by Ben Ingram in ue5-main branch]
- Need to make sure wrapped vAddress is properly used in all cases, otherwise can end up with duplicate/inconsistent page mappings
#rb none
#jira UESP-4030, UESP-4017
[CL 14580045 by Ben Ingram in ue5-main branch]
#ROBOMERGE-SOURCE: CL 12764102 via CL 12764127 via CL 12764136 via CL 12764147
#ROBOMERGE-BOT: RELEASE (Release-Engine-Staging -> Main) (v678-12743200)
[CL 12764160 by jeremy moore in 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]
Don't merge duplicate streaming VT producers when creating page table
- Keep merging in place for RVT
#rb none
#ROBOMERGE-SOURCE: CL 9758700 in //UE4/Release-4.24/...
#ROBOMERGE-BOT: RELEASE (Release-4.24 -> Main) (v545-9751379)
[CL 9758704 by ben ingram in Main branch]
This will allow compressing direct to physical texture on platforms that support it
Some small RHI changes will have to be approved before turning on though
#ROBOMERGE-SOURCE: CL 9291051 via CL 9291054 via CL 9291057 via CL 9291060
#ROBOMERGE-BOT: (v452-9288972)
[CL 9291062 by jeremy moore in Main branch]
This allows us to put texture layers into physical groups that will be accessed through the same page table layer (and so must share the same UV in different physical textures).
Physical spaces can now contain multiple texture layers (one for each member of a physical group).
Changed the logic for the physical space pool descriptions so that we can support multiple texture layers. And also made the description work for Min and Max tile size values so that we don't need to specify pool sizes multiple times for each possible tile size.
Runtime virtual texture can select if it wants to use a single physical group. By default this is on so that RVT uses a single page table channel.
#rb none
[FYI] Ben.Ingram
#ROBOMERGE-OWNER: jeremy.moore
#ROBOMERGE-AUTHOR: jeremy.moore
#ROBOMERGE-SOURCE: CL 8747955 via CL 8748343 via CL 8782324
#ROBOMERGE-BOT: (v422-8689730)
[CL 8790675 by jeremy moore in Main branch]
