Single layer water loses shadows when raytraced shadows is enabled

Development Rendering
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1

When raytraced shadows is enabled, SLW loses all shadows. Is there any planned support for RT shadows or workaround on SLW?

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2

Steps to Reproduce

  1. Add a SLW plane
  2. Add some kind of shadow caster casting a shadow on the water
  3. Enable RT shadows. Notice shadows disappear.
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3

Hey, yeah SingleLayerWater does not currently support hardware ray-traced shadows as a receiver.

Reason being that hardware RT shadows are evaluated through the regular deferred-lighting occlusion path. SingleLayerWater is rendered through its own lighting/composite path.

We don’t have any plans to implement dedicated Raytraced Shadows support for SingleLayerWater. However, we will be looking at implementing proper MegaLights support. No ETA on that though.

// Kevin

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4

Thanks for the confirmation. What about Translucency lighting volume? It seems those do not handle raytraced shadows as well.

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5

Similar story there. Raytraced Shadows is not something we are actively developing. There is partial support for MegaLights in TLV now and we plan on improving that path.

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