Pal Mezei

Sidedness overrides are not working on the ALAB asset

4

**Describe[scene_2108.usda.zip](https://github.com/Autodesk/arnold-usd/files/6965892/scene_2108.usda.zip)he bug** A clear and concise description of what the bug is. **To Reproduce** Steps to reproduce the behavior: 1. Download the [ALAB asset](https://animallogic.com/usd-alab/) 2. Place the usda from [scene_2108.usda.zip](https://github.com/Autodesk/arnold-usd/files/6965892/scene_2108.usda.zip)...

The Procedural supports using a static USD build, but that limits extensibility and the option to run custom plugins. We need to investigate what's the best option to load plugins...

Handle metadata in the Ndr plugin and store arnold specific metadata

1

We should handle arnold metadata and store additional information in the ndr plugins. This include: - metadata on arnold nodes - metadata on arnold parameters - metadata storing the arnold...

Add support for periodic BasisCurves

1

Describe the feature you'd like We should add support for periodic curves when rendering BasisCurves. Details can be found here: https://github.com/PixarAnimationStudios/USD/blob/090ef0d849ced875b3b99a15e454b69148ccd8e1/pxr/usd/usdGeom/schema.usda#L1235

Render delegate crashes when changing a variant of a shader

3

**Describe the bug** Changing a variant on a shader causes the render delegate to crash. **To Reproduce** Steps to reproduce the behavior: 1. Open the attached [arnold_vari_hang.usda.zip](https://github.com/Autodesk/arnold-usd/files/6179477/arnold_vari_hang.usda.zip) file in usdview...

Investigate per-instance light linking

2

**Describe the feature you'd like** Per-instance light linking is not currently handled by the render delegate, we should investigate if this is allowed and how can we access per-instance light...

Support the new way of defining lights in USD 21.02

2

**Describe the feature you'd like** USD 21.02 added new features to allow defining renderer specific lights using the Sdr and supports describing lights as shader networks.

Register Ndr Nodes for shapes, lights, filters, drivers and the options node

1

The Ndr Discovery and Parser plugins should register all the other node types available in arnold. **Describe the solution you'd like** All we need to do is to change the...

Support Arnold light schemas in pre-21.02 USD versions

2

**Describe the feature you'd like** We should add support for Arnold light schemas to pre-21.02 USD versions (like 20.08 used in Houdini 18.5): - Add support for Arnold lights as...

**Describe the bug** At the moment connecting camera nodes to UsdShade (to use for camera projection) nodes is not working. We face several challenges: - We need to be able...