Lumen

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is dielectric material issue?

3

I try to render scenes\cornell_box\cornell_box_dir.json  when I change glass sphere material to "type": "dielectric" I have different image  i.e. roughness = 0.0 why images are different?

tigrazone

Investigate the slowdown with VCM

4

Compared to 2022 drivers, the current version of the VCM algorithm seems a lot slower (~%50% !). Investigate why.

yuphin

D:\Git\Lumen\out\build\x64-Debug\LINK : fatal error LNK1104: 无法打开文件“spirv-cross-cored.lib”

1

kyriewxcode

Bloom explosion : )

1

Enough time : ) This does not really affect me.

ohmaya

How do I add lights to an XML scene?

2

Yeah, it might be a Mitsuba question. I took scenes/classroom/scene.xml and added the following: ``` ``` There didn't seem to be new lights in the rendering. scenes\bedroom\scene.xml contains 2 area...

ohmaya

Lumen.exe scenes/bedroom/scene.xml - Path: Bright sky through the window behind the curtain - **BDPT/VCM/ReSTIRGI: Black sky** Thanks.

ohmaya

- remove shader compiler in code. Use precompiled spv - use rayQuery pipeline, not RayTracing pipeline. RayQuery is faster and easy to use

tigrazone