func PixelStorei(pname uint32, param int32) {
	syscall.Syscall(gpPixelStorei, 2, uintptr(pname), uintptr(param), 0)
}
func PixelStorei(pname uint32, param int32) {
	syscall.Syscall(gpPixelStorei, 2, uintptr(pname), uintptr(param), 0)
}
func PixelStorei ( pname uint32 , param int32 ) { syscall . Syscall ( gpPixelStorei , 2 , uintptr ( pname ) , uintptr ( param ) , 0 ) }
// set pixel storage modes
set pixel storage modes