2010/4/9 supermaximus79 <[email protected]>

> I have built in chip s3c6410 2d and 3d hardware graphics accelerators,
> but i don't use them with Android.
> I just implemented in my framebuffer driver double buffering and pan
> function, which change offset from frame buffer start.
> I this not enough to make Android drawing fast?
>
>
Probably, software composition is quite CPU intensive, especially if you
have large amounts of pixels
(800x480 should be considered large, especially for an ARMv6)


> I know that it's possible to use hardware accelerators with Android,
> but i didn't find an examples.
> I downloaded Samsung i5700 mobile phone Android sources, this phone
> based on chip i use - s3c6410, but found nothing about graphics
> accelerators in them.
>

I don't know what are the "Samsung i5700 Android sources", but you're
probably missing OpenGL ES drivers.


> Could you help me with information about hardware accelerations with
> Android.
> Where from should i start?
>
> Thanks!
>
> On Apr 9, 8:22 pm, David Turner <[email protected]> wrote:
> > do you have hardware graphics acceleration or are you relying solely on
> > software rendering ?
> >
> > 2010/4/9 Максим Андрущенко <[email protected]>
> >
> > > Hi!
> >
> > > On my target platform, based on s3c6410 (armv6) Android works very
> slow!
> > > I use 16 bpp with resolution 800x480.
> > > Screen updates slow, seldom i see some blinking, when i quickly type on
> > > soft keyboard, or if to change desktop.
> >
> > > Is there anybody has the same problem, is it possible to fix it?
> >
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