Gets the byte value for the specified semantic or offset within the given vertex buffer.

Return Byte = DX11 GET VERTEX BYTE(vertex, semanticName, [semanticIndex], offset)

vertex

Dword
The vertex to get the semantic / data at the offset position of

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semanticName

String
The semantic name of the data element to get for the vertex.

[Optional] semanticIndex

Dword
The semantic index of the data element to get for the vertex. Defaults to 0.
OR.

offset

Dword
The offset to which to read the value from the vertex buffer. Note that this function takes either a semantic name and optionally an id, or an offset; not both.

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