Upon loading a world without Ray Tracing initially turned on, turning on Ray Tracing will result in no PBR textures loading and all blocks appearing to have a roughness value of 0 (making them appear wet).
Steps to Reproduce:
Apply an RTX resource pack to your global resources, but make sure Ray Tracing is off in video settings
Enter any world with the pack applied
Turn on Ray Tracing
Observed Results:
After turning Ray Tracing on all blocks appear shiny and wet, with none of their PBR textures actually being applied.
Expected Results:
All PBR textures should load correctly upon turning on Ray Tracing, regardless of being on in the first place or not. This is the functionality that was present on versions of the game previous to 1.18 full release.
Currently a workaround has been found: the PBR textures will load properly when RTX is turned on before loading a world.
The Ray Tracing resource pack used to test this bug has been attached to the report.
Linked issues
Attachments
Comments 3
In the video you link ibxToyCat was using Defined PBR, but I have also found that this occurs with any RTX resource pack.
Thank you for your report!
We're tracking this issue in MCPE-152158, so this ticket is being resolved and linked as a duplicate.
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I can add that this does not just occur with the attached RTX pack, but also others such as Kelly's RTX. You can see this bug in action during the entirety of ibxtoycat's video here: Ray Tracing But It's On My Terrible Minecraft Builds - YouTube
(unsure which pack he's using)
To be clear, the workaround here for now is to make sure RTX is turned on before loading a world. Then you can turn it off and on all you like once the world is loaded.