ID3D11DeviceContext::IAGetInputLayout method (d3d11.h)
Get a pointer to the input-layout object that is bound to the input-assembler stage.
void IAGetInputLayout( [out] ID3D11InputLayout **ppInputLayout );
A pointer to the input-layout object (see ID3D11InputLayout), which describes the input buffers that will be read by the IA stage.
For information about creating an input-layout object, see Creating the Input-Layout Object.
Any returned interfaces will have their reference count incremented by one. Applications should call IUnknown::Release on the returned interfaces when they are no longer needed to avoid memory leaks.