Re: ddraw: Improve GetScanLine stub so it's usable for timing related tasks

[Christian Costa]

Le 06/04/2012 12:35, Piotr Caban a écrit :
> - /* Simulate a 60Hz display */
> - time = GetTickCount();
> - frame_progress = time&  15; /* time % (1000 / 60) */
> - if (!frame_progress)
> - {
> -
>    *Scanline = 0;
> -
>    return DDERR_VERTICALBLANKINPROGRESS;
> - }
> -
> - /* convert frame_progress to estimated scan line */
> - lines = mode.height / 15;
> - *Scanline = (frame_progress - 1) * lines + time % lines;
>  return DD_OK;
> }

Is time % lines here is to generate a random values (sort of noise) ?