Streaming Probe Volumes
You can enable Probe Volume streaming to enable Probe Volume lighting in very large worlds. Using streaming means you can bake Probe Volume data larger than available CPU or GPU memory, and load it at runtime when it's needed. At runtime, as your camera moves, the Universal Render Pipeline (URP) loads only Probe Volume data from cells within the camera's view frustum.
You can enable and disable streaming for different URP quality levels.
Enable streaming
To enable streaming, do the following:
- From the main menu, select Edit > Project Settings > Quality.
- Select a Quality Level.
- Double-click the Render Pipeline Asset to open it in the Inspector.
- Expand Lighting.
- Enable Enable Streaming to stream from CPU memory to GPU memory.
You can configure streaming settings in the same window. Refer to URP Asset for more information.
Debug streaming
The smallest section URP loads and uses is a cell, which is the same size as the largest brick in a Probe Volume. You can influence the size of cells in a Probe Volume by adjusting the density of Light Probes
To view the cells in a Probe Volume, or debug streaming, use the Rendering Debugger.

The Rendering Debugger with Display Cells enabled.
Additional resources
Did you find this page useful? Please give it a rating:
Thanks for rating this page!
What kind of problem would you like to report?
Thanks for letting us know! This page has been marked for review based on your feedback.
If you have time, you can provide more information to help us fix the problem faster.
Provide more information
You've told us this page needs code samples. If you'd like to help us further, you could provide a code sample, or tell us about what kind of code sample you'd like to see:
You've told us there are code samples on this page which don't work. If you know how to fix it, or have something better we could use instead, please let us know:
You've told us there is information missing from this page. Please tell us more about what's missing:
You've told us there is incorrect information on this page. If you know what we should change to make it correct, please tell us:
You've told us this page has unclear or confusing information. Please tell us more about what you found unclear or confusing, or let us know how we could make it clearer:
You've told us there is a spelling or grammar error on this page. Please tell us what's wrong:
You've told us this page has a problem. Please tell us more about what's wrong:
Thank you for helping to make the Unity documentation better!
Your feedback has been submitted as a ticket for our documentation team to review.
We are not able to reply to every ticket submitted.