On Friday 11 July 2003 14:00, you wrote: > Reply to the mail from Franz Reinhardt (fre@xxxxxxxxxx): > > If the adapter overlays an image from offscreen memory, which is > > rectangular, how the clipping is done ? > > Every pixel in the target area of the overlay which has the special > drop-out-color which you defined somewhere, > will be replaced by the overlay image. Pixels with another color > won´t get replaced and thus show the > framebuffer contents. > > I hope this is what you wanted to know... Yes, it was the crucial point. Again, thanks. Franz > > > -Arne > > > How can I tell the hardware, when the visible framebuffer is shown > > and when a piece of the overlay is shown ? > > > > TIA, > > > > Franz > > > >