Function hipTexRefGetMipmapFilterMode 

pub unsafe extern "C" fn hipTexRefGetMipmapFilterMode(
    pfm: *mut hipTextureFilterMode,
    texRef: *const textureReference,
) -> hipError_t

@brief Gets the mipmap filter mode for a texture reference [Deprecated]

@param [out] pfm Pointer of the mipmap filter mode. @param [in] texRef Pointer of texture reference.

@returns #hipErrorInvalidValue, #hipErrorNotSupported

@warning This API is deprecated.