Version: Unity 6.1 Alpha (6000.1)
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MeshRenderer.enlightenVertexStream

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public Mesh enlightenVertexStream;

Description

Vertex attributes that override the primary mesh when the MeshRenderer uses lightmaps in the Realtime Global Illumination system.

This vertex stream is used exclusively for UVs for real-time lightmaps.

When Unity renders a MeshRenderer that uses real-time lightmaps, Unity streams the data in MeshRenderer.enlightenVertexStream to `TEXCOORD2` instead of the data in Mesh.uv3]. For more information, see Lightmap UVs.

This data is not serialized. Unity calculates the UVs for the Realtime Global Illumination system during the precompute stage.