func BufferData(target uint32, size int, data unsafe.Pointer, usage uint32) {
	syscall.Syscall6(gpBufferData, 4, uintptr(target), uintptr(size), uintptr(data), uintptr(usage), 0, 0)
}
func BufferData(target uint32, size int, data unsafe.Pointer, usage uint32) {
	syscall.Syscall6(gpBufferData, 4, uintptr(target), uintptr(size), uintptr(data), uintptr(usage), 0, 0)
}
func BufferData ( target uint32 , size int , data unsafe . Pointer , usage uint32 ) { syscall . Syscall6 ( gpBufferData , 4 , uintptr ( target ) , uintptr ( size ) , uintptr ( data ) , uintptr ( usage ) , 0 , 0 ) }
// creates and initializes a buffer object's data     store
creates and initializes a buffer object s data store