Version: 2022.3
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ModelImporterIndexFormat

enumeration

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Description

Format of the imported mesh index buffer data.

Index buffer can either be 16 bit (supports up to 65535 vertices in a mesh), or 32 bit (supports up to 4 billion vertices). Default behavior is ModelImporterIndexFormat.Auto, which picks the format based on vertex count in the mesh.

Additional resources: ModelImporter.indexFormat, Mesh.indexFormat.

Properties

AutoUse 16 or 32 bit index buffer depending on mesh size.
UInt16Use 16 bit index buffer.
UInt32Use 32 bit index buffer.

Is something described here not working as you expect it to? It might be a Known Issue. Please check with the Issue Tracker at issuetracker.unity3d.com.

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