OK. In that case how do we prevent tearing of images on the screen ? i.e. how do we implement a tearing-less display solution ? Normally as far as I know, /dev/fb's memory would be mapped to apps and there is no way for the driver to sync memory updates with Vsync ... Pl correct me if I'm wrong
- Vishwas On 5/8/08, The Rasterman Carsten Haitzler <[EMAIL PROTECTED]> wrote: > > On Thu, 8 May 2008 13:16:37 +0530 "Vishwas P S" <[EMAIL PROTECTED]> > babbled: > > > Can the display/video card recognize two planes (a BG and an FG) .. If > yes, > > it would be very easy to overlay one (FG )onto the other and the > app/driver > > generating the video(FG) data need not worry abt graphics FB and > delegate > > the job of combining to the hardware ? > > > > Is this a possibility on the Glamo ? > > no. > > > - Vishwas > > (Am sorry if this is an irrelavent question ... i've seen this on the > > Freescale chipset that i work on .. so am just curious to know if this > is a > > possibility) > > > > > > On 5/8/08, The Rasterman Carsten Haitzler <[EMAIL PROTECTED]> wrote: > > > > > > On Thu, 8 May 2008 11:04:37 +0800 "Bin Chen" <[EMAIL PROTECTED]> > > > babbled: > > > > > > > Hi, > > > > > > > > I just take a look at media player source code, seems the mplayer > use > > > > the fbdev directly instead of X. So I think there are two fbdev in > > > > system? One for X the other for mplayer? > > > > > > nup. there can be only one. (yes - bad quote...) :) yes. they will > > > conflict. if > > > both draw at once... you will get artifacts. > > > > > > > Otherwise it will conflict. > > > > > > > > Thanks. > > > > Bin > > > > > > > > _______________________________________________ > > > > Openmoko community mailing list > > > > [email protected] > > > > http://lists.openmoko.org/mailman/listinfo/community > > > > > > > > > -- > > > Carsten Haitzler (The Rasterman) <[EMAIL PROTECTED]> > > > > > > _______________________________________________ > > > Openmoko community mailing list > > > [email protected] > > > http://lists.openmoko.org/mailman/listinfo/community > > > > > > > > -- > Carsten Haitzler (The Rasterman) <[EMAIL PROTECTED]> >
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