Hi, While you are doing some blitting functions, there should be a hardware_lock in the routine. This will lock the source and destination surface.
Is it what you want? 2007/12/26, Deng XueFeng <[EMAIL PROTECTED]>: > Hi > > I have some question about the lock use in the multihreaded apps. > I use directfb 1.0.1 on VIA nano-itx board. > I got two main surface(graphics surface and video surface) from two > layer. > and i use some tmp surface. > > then the question are: > > 1. when i do two blit at the same time ( one tmp surface to main > graphics surface, and another to main video graphics), should i use mutex > lock.? one lock or two ? > > 2. when i do two blit from two tmp surface to one main surface, each > blit overide some part of the main surface. should i use mutex lock? > > 3. when i do blit from tmp surface to tmp surface ,should i use mutex > lock ? > > thanks very much. > > > > > _______________________________________________ > directfb-dev mailing list > directfb-dev@directfb.org > http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev > _______________________________________________ directfb-dev mailing list directfb-dev@directfb.org http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev
