func DrawTransformFeedback(mode uint32, id uint32) {
	syscall.Syscall(gpDrawTransformFeedback, 2, uintptr(mode), uintptr(id), 0)
}
func DrawTransformFeedback(mode uint32, id uint32) {
	syscall.Syscall(gpDrawTransformFeedback, 2, uintptr(mode), uintptr(id), 0)
}
// render primitives using a count derived from a transform feedback object