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All terrain tiles render black when running natively on Quest headsets #1391
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Hi @AmrAbuElyazid, thank you for opening this issue. You mentioned "rebuilding the project from scratch multiple times to isolate potential settings causing this issue". Can you describe what you've tried in more detail? It can help us narrow down the issue when we try to troubleshoot this. |
Hi @j9liu Thanks for getting back to me. I've isolated the issue to Cesium's terrain by creating empty projects with Unreal's VR and blank templates, building and deploying with and without Cesium to Meta Quest 3. The issue appears once Cesium is included in the project. Here's what I've experimented with so far:
Despite these efforts, the terrain tiles continue to render black only on the Meta Quest 3, while the project works as expected on PC. I hope these details help in narrowing down the potential cause of this issue. Looking forward to any suggestions or insights you might have. Thank you. |
Just to update you on where things are at @AmrAbuElyazid - while we don't yet have a Quest 3 around the office to test with, I was able to replicate your issue using the provided project on the Quest 2. I'm digging into it now, and I'll keep this issue updated with my findings! |
@azrogers Thanks a lot, looking forward to hearing your inputs! |
@azrogers Thanks a lot for prompt response! |
As it turns out, this seems to have been the same issue that #1225 was addressing for iOS devices - that is, for some reason, 1x1 textures on mobile just get sampled incorrectly. I've merged #1225 which just upscales our default textures to 4x4 instead of 1x1, which fixes the issue on my end. Please give the latest version of main a try and let me know if it works for you too! @AmrAbuElyazid |
@azrogers That fixed it! Thanks a lot for your support! |
Description:
When running a project natively on Meta Quest 3, all terrain tiles render black. However, the project renders correctly on PC. John uploaded the sample project, and I, as the reporter, am also facing the same issue. I've tried rebuilding the project from scratch multiple times to isolate potential settings causing this issue, but no luck.
Sample project: CesiumQuest (uses the Meta XR plugin)
Thanks to @john-terrell for uploading the sample project
Steps to reproduce:
Clone the provided sample project from the GitHub repository.
Build and deploy the project to a Meta Quest 3 headset.
Observe that all terrain tiles render black.
Expected behavior:
Terrain tiles should render correctly on Meta Quest 3, similar to their rendering on PC.
Additional information:
This issue occurs consistently on Meta Quest 3.
The project utilizes the Meta XR plugin.
Any insights or suggestions on resolving this issue would be appreciated.
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