Function hipTexRefGetFilterMode 

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

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

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

@returns #hipSuccess, #hipErrorInvalidValue, #hipErrorNotSupported

@warning This API is deprecated.