armory3d / armory3d/armorpaint

UDIM UV overlap in path traced mode

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bug
Dominant language
C
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Description

**ArmorPaint version:**
v0.8 (2021-10-03) a06962c

**OS/device including version:**
Win 10
NVidia RTX 3080ti
DXR
**Issue description:**
The seperation between UV maps by UDIM is not working correctly

DXR
![image](https://user-images.githubusercontent.com/5176531/138945856-08733ca2-40bf-42ba-a7b2-0a8f03f49621.png)

Non-DXR
![image](https://user-images.githubusercontent.com/5176531/138945753-74319e94-ccc8-43a2-bd2c-0e0f07782ecd.png)

**Steps to reproduce:**
Import UDIM smaple model in the DXR version and paint a UDIM group

Contributor guide

No contributing guide indexed for this repository

Research direction

Start by reproducing the issue with the UDIM sample model in the DXR build, then compare the result with the non-DXR version and the attached screenshots. Done means UDIM groups remain correctly separated in path-traced mode, matching the non-DXR behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
computer-graphics
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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