> you have correcly described how it works. If working with the primary > surface in flipping mode you may not assume that the last drawing > operation you performed before the flip has also been done to the > backbuffer you are working on now. Actually in the preferred case the > Flip operation on the complete primary surface will be performed by > changing a single pointer. Only if this is not possible because > either > > (a) it's not supported > (b) not enough video memory is available > (c) not the whole region is flipped > (d) the DSFLIP_BLIT parameter was specified with surface::Flip() > > the flip will be performed using a blit. It's safe to assume that only > two buffers are used however. See for example how df_neo prepares the > background.
So what you are saying is that one shouldn't work directly on the primary layer? /Henric -- Info: To unsubscribe send a mail to [EMAIL PROTECTED] with "unsubscribe directfb-dev" as subject.
