Version: 2021.3
Reflection Probe
Generating lighting data

Precomputed lighting data

Precomputed lighting data and baked lighting are not the same.

Baked lighting data is static. For example, the appearance of a GameObjectThe fundamental object in Unity scenes, which can represent characters, props, scenery, cameras, waypoints, and more. A GameObject’s functionality is defined by the Components attached to it. More info
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can change as it moves around a Light ProbeLight probes store information about how light passes through space in your scene. A collection of light probes arranged within a given space can improve lighting on moving objects and static LOD scenery within that space. More info
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(if that GameObject has Contribute Global Illumination enabled). However, the data in the Light Probe itself does not change. Unity can store baked lighting data in lightmapsA pre-rendered texture that contains the effects of light sources on static objects in the scene. Lightmaps are overlaid on top of scene geometry to create the effect of lighting. More info
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, Light Probes, and Reflection ProbesA rendering component that captures a spherical view of its surroundings in all directions, rather like a camera. The captured image is then stored as a Cubemap that can be used by objects with reflective materials. More info
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.

Enlighten Realtime Global IlluminationA group of techniques that model both direct and indirect lighting to provide realistic lighting results.
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does not rely on baked lighting. Instead, it uses precomputed visibility data to speed up the process of determining how a light moving in real-time affects the surfaces that its rays can reach.

This section contains information on the following topics:

Reflection Probe
Generating lighting data