setviewport() & clearviewport() How DONT blink the screen??

[_Deus()]

I use setviewport() to improve my program...
using cleardevice() my screen blink so much.

But, the setviewport is not perfect, my program still blink.. (a bit, but blink!!)



Anybody know how I a make to my screen DONT blink ??


Anybody understand me?


hehehe... sorry, my first language is no english!!