This function can be used to check whether the given vertex layout resource exists.
It's main purpose is for debugging to check if the resource has yet been created, has since been deleted or if the provided
resource identifier is invalid, such as would be the case for a mistyped variable name.

Return Boolean = DX11 VERTEX LAYOUT EXISTS(vertLayout)

vertLayout

Dword
The vertex layout resource to check whether it exists.

true if the given vertex layout resource exists, or false otherwise.

VERTEXLAYOUT Functions Menu
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