Docs out of date for NRD integration, and no reference NRD implementation exists either

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调研方向

从 docs/ProgrammingGuideNRD.md 和 sl.nrd.h 开始,重点关注已弃用的 slSetFeatureConstants API,以及 issue 中描述的 NRD 参数设置方法。使用所引用的示例上下文重现报告的 denoising 异常,然后将该集成与其他 feature 示例进行比较。当 NRD 文档已更新且示例包含可正常工作的参考集成时,即视为完成。

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描述

Hi there, I'm switching from my old (outdated) NRD integration because it changes too often and is way too much maintenance overhead, so I figured SL would help me out here, but the docs for NRD use deprecated API features and there's no clear way to actually set the NRD constants via a function stub, like there are for the other features.

https://github.com/NVIDIAGameWorks/Streamline/blob/main/docs/ProgrammingGuideNRD.md

Specifically slSetFeatureConstants is gone now in 2.10:

image

I implemented setting the NRD specific constants like this:

image

image

image

Is this correct? I read all the docs and it seems to be the way to do it, but it's odd that there's no function stub in the sl.nrd.h for the function call to set the parameters.

My code seems to set the parameters properly, but then I get some weird exception when I do the actual denoising:

image

Is there a chance you would consider making an NRD integration in the sample here? It's the only feature missing a reference implementation.

The Path Tracing SDK also uses StreamLine but has a direct NRD integration and I haven't been able to find anything on Github where NRD is integrated via SL as opposed to directly.

Is anybody out there using SL for NRD feature but me? It seems not. I searched in Github for sl::kFeatureNRD and the only hits are in this repo.

Thanks in advance!

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