Version: 2019.2
Lightmapping
Progressive GPU Lightmapper (Preview)

Lightmapping Settings

To open the Lightmapping Settings, go to Window > RenderingThe process of drawing graphics to the screen (or to a render texture). By default, the main camera in Unity renders its view to the screen. More info
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>Lighting Settings, and navigate to Lightmapping Settings.

The properties available in the Lightmapping Settings
The properties available in the Lightmapping Settings
Property: Function:
LightmapperA tool in Unity that bakes lightmaps according to the arrangement of lights and geometry in your scene. More info
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Use this to specify which internal lighting calculation software to use to calculate lightmaps in the Scene. The options are:

Progressive CPU
Progressive GPU
Enlighten (deprecated)

The default value is Progressive CPU.

Lightmapping Settings are specific to the Lightmapper backend. To see the settings information for each lighting system, see the documentation on the Progressive CPU Lightmapper, the Progressive GPU Lightmapper, and EnlightenThe lighting system by Geomerics used in Unity for computing global illumination (GI). More info
See in Glossary
.

Lightmapping
Progressive GPU Lightmapper (Preview)