func DrawTransformFeedbackInstanced(mode uint32, id uint32, instancecount int32) {
	syscall.Syscall(gpDrawTransformFeedbackInstanced, 3, uintptr(mode), uintptr(id), uintptr(instancecount))
}
func DrawTransformFeedbackInstanced(mode uint32, id uint32, instancecount int32) {
	syscall.Syscall(gpDrawTransformFeedbackInstanced, 3, uintptr(mode), uintptr(id), uintptr(instancecount))
}
func DrawTransformFeedbackInstanced ( mode uint32 , id uint32 , instancecount int32 ) { syscall . Syscall ( gpDrawTransformFeedbackInstanced , 3 , uintptr ( mode ) , uintptr ( id ) , uintptr ( instancecount ) ) }
// render multiple instances of primitives using a count derived from a transform feedback object
render multiple instances of primitives using a count derived from a transform feedback object