OctaneRender™ 2021.1 RC 1

Forums: OctaneRender™ 2021.1 RC 1
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Re: OctaneRender™ 2021.1 RC 1 [current 2021.1]

Postby funk » Sat Jul 31, 2021 2:25 pm

funk Sat Jul 31, 2021 2:25 pm
BUG: Weird lines in example with RTX on using 3090

I found another example that renders some weird lines on a 3090 with RTX on. RTX off looks ok.

The camera is in the exact same position as the floor, so its causing problems, but RTX on should look the same as RTX off.

2021_3090_rtx_on_lines_bug.png
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Win10 Pro/ Ryzen 5950X / 128GB / RTX 4090 / MODO
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Re: OctaneRender™ 2021.1 RC 1 [current 2021.1]

Postby wallace » Sun Aug 01, 2021 9:21 pm

wallace Sun Aug 01, 2021 9:21 pm
funk wrote:BUG: Weird lines in example with RTX on using 3090

I found another example that renders some weird lines on a 3090 with RTX on. RTX off looks ok.

The camera is in the exact same position as the floor, so its causing problems, but RTX on should look the same as RTX off.

2021_3090_rtx_on_lines_bug.png


I can confirm the first two bugs are fixed and are from the same issue I fixed last week.

This one is not though and will require some investigation.
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Re: OctaneRender™ 2021.1 RC 1 [current 2021.1]

Postby funk » Mon Aug 02, 2021 4:28 am

funk Mon Aug 02, 2021 4:28 am
Thanks wallace
Win10 Pro/ Ryzen 5950X / 128GB / RTX 4090 / MODO
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Re: OctaneRender™ 2021.1 RC 1 [current 2021.1]

Postby Hesekiel2517 » Tue Aug 10, 2021 2:18 pm

Hesekiel2517 Tue Aug 10, 2021 2:18 pm
I get some bad results using RTX in conjunction with nesteddialectics and CAD Data:

RTX:
Octane_Error.JPG


RTX Off
Octane_Error_2.JPG
Octane_Error_2.JPG (21.08 KiB) Viewed 2024 times


I can't share the scene unfortunately and can't reproduce it in another scene.
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Re: OctaneRender™ 2021.1 RC 1 [current 2021.1]

Postby wallace » Tue Aug 10, 2021 9:26 pm

wallace Tue Aug 10, 2021 9:26 pm
Hesekiel2517 wrote:I get some bad results using RTX in conjunction with nesteddialectics and CAD Data:

RTX:
Octane_Error.JPG


RTX Off
Octane_Error_2.JPG


I can't share the scene unfortunately and can't reproduce it in another scene.


I have fixed several issues related to this, pretty confident that it would solve the problem you are seeing in your scene as well. The fix will be in the next release.
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Re: OctaneRender™ 2021.1 RC 1 [current 2021.1]

Postby vijay » Thu Aug 12, 2021 2:30 am

vijay Thu Aug 12, 2021 2:30 am
funk wrote:Vijay mentioned a fix for this issue
viewtopic.php?p=402303#p402303

I think it may be part of the "Fixed incorrect denoiser output in scenes with SSS materials.", but I'm still seeing a color difference in the denoised output.

It's not as drastic now, but the denoised output is a bit more blue.

Beauty:
denoiser_volume_sss_beauty.jpg


Denoised:
denoiser_volume_sss_denoised.jpg



Sorry for the late reply. Actually, I did reply before. But just noticed that for some reason my reply was not added to the forum. This issue here is a limitation of our denoiser. The denoiser composition is happening on XYZ/RGB colour spaces and if we do the same composition in spectrum space we get a different result(main pass). The reason this started happening in 2021 is because of our new colour pipeline(which doesn't limit spectrum). To reduce the difference in this particular scene, you can decrease the gain and brightness settings on the geometry's medium textures or turn on the use old color pipeline in render target settings. You may still see a very shuttle difference due to the above-explained limitation, which we hope to sort out in near future.

Thanks,
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Re: OctaneRender™ 2021.1 RC 1 [current 2021.1]

Postby davidyannick_1 » Thu Aug 26, 2021 9:50 pm

davidyannick_1 Thu Aug 26, 2021 9:50 pm
same issue for me with RTX on with my 3090, will it be fix soon ? thx
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Re: OctaneRender™ 2021.1 RC 1 [current 2021.1]

Postby abstrax » Fri Aug 27, 2021 6:12 am

abstrax Fri Aug 27, 2021 6:12 am
davidyannick_1 wrote:same issue for me with RTX on with my 3090, will it be fix soon ? thx

2021.1 RC2 is currently building. It should fix the reported RTX issues. When it has been released, please let us know if the issue has not been resolved - ideally with an example scene. Thank you.
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