andrew lauritzen bf84b62791 Improve texel dither to be more continuous and avoid artifacts at the edges of pages (which are now dynamically picked) ...

Add a world dither. Not necessarily useful but can be somewhat analygous to PCF radius.
Add permutation to SMRT samples = 0 (and possibly more in the future).

#preflight 628eab6fc826bd5a7f1135ec
#rb ola.olsson

#ROBOMERGE-AUTHOR: andrew.lauritzen
#ROBOMERGE-SOURCE: CL 20372897 via CL 20372913 via CL 20372922
#ROBOMERGE-BOT: UE5 (Release-Engine-Staging -> Main) (v949-20362246)

[CL 20373677 by andrew lauritzen in ue5-main branch]

2022-05-25 19:50:23 -04:00

..

VirtualShadowMapArray.cpp

Fixed local VSM Nanite rendering by making sure the mip views have set up TranslatedWorldToSubpixelClip correctly.

2022-05-20 03:17:33 -04:00

VirtualShadowMapArray.h

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VirtualShadowMapCacheManager.cpp

DisplayCluster: Virtual Shadow Map cache can optionally be allocated per view, and enabled that feature for Virtual Production. Significant performance win by avoiding constant cache thrashing when rendering multiple families. Frame time goes from ~45 ms to ~26 ms for Valley test scene (Node 2), GPU bound in both cases. Separate cache per view isn't implemented for split screen views (single view family with multiple views), but Virtual Production doesn't use that, and support for that could be added in the future.

2022-05-24 13:17:13 -04:00

VirtualShadowMapCacheManager.h

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VirtualShadowMapClipmap.cpp

DisplayCluster: Virtual Shadow Map cache can optionally be allocated per view, and enabled that feature for Virtual Production. Significant performance win by avoiding constant cache thrashing when rendering multiple families. Frame time goes from ~45 ms to ~26 ms for Valley test scene (Node 2), GPU bound in both cases. Separate cache per view isn't implemented for split screen views (single view family with multiple views), but Virtual Production doesn't use that, and support for that could be added in the future.

2022-05-24 13:17:13 -04:00

VirtualShadowMapClipmap.h

DisplayCluster: Virtual Shadow Map cache can optionally be allocated per view, and enabled that feature for Virtual Production. Significant performance win by avoiding constant cache thrashing when rendering multiple families. Frame time goes from ~45 ms to ~26 ms for Valley test scene (Node 2), GPU bound in both cases. Separate cache per view isn't implemented for split screen views (single view family with multiple views), but Virtual Production doesn't use that, and support for that could be added in the future.

2022-05-24 13:17:13 -04:00

VirtualShadowMapProjection.cpp

Improve texel dither to be more continuous and avoid artifacts at the edges of pages (which are now dynamically picked)

2022-05-25 19:50:23 -04:00

VirtualShadowMapProjection.h

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