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Any Refraction IOR value except 1.0 creates black artifacts #26

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jrz371 opened this issue Apr 14, 2021 · 3 comments
Open

Any Refraction IOR value except 1.0 creates black artifacts #26

jrz371 opened this issue Apr 14, 2021 · 3 comments
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@takahiroharada

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@jrz371
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jrz371 commented Apr 14, 2021 •
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Tested with RadeonProRenderSDK 2.02.2, also reproducible in the Blender addon
image

Using any refraction IOR value except 1.0 creates these black rendering artifacts appearing within the object.
@jrz371
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jrz371 commented Apr 15, 2021

Here's an example made in Blender 2.91
IOR bug Blender.zip

@SimonDanisch
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Did you try setting RPR_CONTEXT_MAX_RECURSION to e.g. 10?

@jrz371
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jrz371 commented Nov 16, 2021

Yes, we use 8 as a default and even at 10 there is no discernable difference.

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@SimonDanisch @takahiroharada @jrz371