func GetVertexArrayiv(vaobj uint32, pname uint32, param *int32) {
	syscall.Syscall(gpGetVertexArrayiv, 3, uintptr(vaobj), uintptr(pname), uintptr(unsafe.Pointer(param)))
}
func GetVertexArrayiv(vaobj uint32, pname uint32, param *int32) {
	syscall.Syscall(gpGetVertexArrayiv, 3, uintptr(vaobj), uintptr(pname), uintptr(unsafe.Pointer(param)))
}
// retrieve parameters of a vertex array object