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Groups > comp.arch.embedded > #26624
| From | rickman <gnuarm@gmail.com> |
|---|---|
| Newsgroups | comp.arch.embedded |
| Subject | Re: Sync to Android frame rate |
| Date | 2017-05-19 13:47 -0400 |
| Organization | A noiseless patient Spider |
| Message-ID | <ofnat2$7d6$3@dont-email.me> (permalink) |
| References | <ofipi2$n4g$1@gioia.aioe.org> <ofkqto$1pv4$1@gioia.aioe.org> <oflj0l$ml5$1@dont-email.me> <iGf*wR8rw@news.chiark.greenend.org.uk> |
On 5/19/2017 1:28 PM, Theo Markettos wrote: > rickman <gnuarm@gmail.com> wrote: >> >> I know nothing about Android, but it seems to me there should be a >> graphics library that provides this sort of functionality. I would >> think your code would provide a buffer of data to be presented to the >> screen and a graphics call would hand it to the graphic processor which >> in turn copies that buffer in a highly synchronized manner. > > There is, it's called SurfaceFlinger. > Though you might want to use higher levels of the graphics stack because you > may need further layers of compositing (eg controls on top of the image): > https://source.android.com/devices/graphics/architecture Looks right, but complicated. I didn't see anything that would provide the synchronization the OP is looking for but I can't believe it wouldn't be there. That would be required for glitch-less display updates which we know happens. -- Rick C
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Sync to Android frame rate John Speth <johnspeth@yahoo.com> - 2017-05-17 17:23 -0700
Re: Sync to Android frame rate John Speth <johnspeth@yahoo.com> - 2017-05-18 11:59 -0700
Re: Sync to Android frame rate rickman <gnuarm@gmail.com> - 2017-05-18 21:53 -0400
Re: Sync to Android frame rate Theo Markettos <theom+news@chiark.greenend.org.uk> - 2017-05-19 18:28 +0100
Re: Sync to Android frame rate rickman <gnuarm@gmail.com> - 2017-05-19 13:47 -0400
Re: Sync to Android frame rate John Speth <johnspeth@yahoo.com> - 2017-05-19 12:47 -0700
Re: Sync to Android frame rate John Speth <johnspeth@yahoo.com> - 2017-05-19 12:51 -0700
Re: Sync to Android frame rate Theo Markettos <theom+news@chiark.greenend.org.uk> - 2017-05-22 11:00 +0100
Re: Sync to Android frame rate John Speth <johnspeth@yahoo.com> - 2017-05-22 09:24 -0700
Re: Sync to Android frame rate Theo Markettos <theom+news@chiark.greenend.org.uk> - 2017-05-22 22:30 +0100
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