A scene camera output image is distributed over up to 8 x 8 customizable grid layout of displays/projectors (up to Unity's max. 8 connected displays), with runtime calibration which allows for individually adjusting each display/projector -
individual image grid deformation for projection mapping, edge blend, color/tint and overlap can be set for each display independently.
Please download demo application below which is built from the asset's demo scene and containts all its functionality.
/ you can modify grid layout at runtime, all connected physical displays will be activated as needed - please note that Unity can't deactivate physical display once it is activated
[DEMO application builds]: