HDRP

Lighting

using Probe Volumes (Experimental)

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Installation

1. Install Unity 2021.2 (recommended version)
2. Create a new project with 3D (HDRP) or 3D Sample Scene (HDRP) templates

(Note: URP is not supported at the moment but planned for future versions)

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Activate Probe Volumes

• Activate the Probe Volumes experimental feature
• Enable Probe Volumes in the Camera Lighting
• Enable Probe Volumes in the Reflections (optional)
• Enable Probe volumes per quality settings

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Use Probe Volumes

• Create one or multiple probe volume GameObjects
• Make it global or adjust the size
• Set lights to mixed
• Set dynamic objects to Receive Global Illumination from Light Probes and small & mid size static objects that would influence GI to Contribute Global Illumination
• Bake lighting from the Probe Volumes Settings panel

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Tweak Probe Volumes

• Visualize probes using Rendering debugger
• Tweak per Probe Volume setting in the Probe Volume component
• Tweak general baking settings from the Probe Volume Settings panel
• Tweak contextual runtime rendering parameters in Probe Volumes Settings volume override
• Turn on/off probe volumes in the HDRP global asset to check their influence.

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