On tracing in eclipse, I can see that the length of identical calls to glDrawArrays varies wildly - this appears to be where the variability comes in. I seem also to be able to get the phone in a state where all of these calls become unusually lengthened.
On Aug 22, 5:33 am, Mark Ayers <[email protected]> wrote: > The Transformer probably just has the power to muscle through whatever is > causing your problem. > On Aug 21, 2011 3:39 AM, "calderwa" <[email protected]> wrote: > > > > > No-one experienced this or have any ideas? > > > On Aug 18, 8:54 pm, calderwa <[email protected]> wrote: > >> Yeah, no problem: > > >> [ro.build.fingerprint]: [samsung/GT-I9000/GT-I9000:2.3.3/GINGERBREAD/ > >> XXJVK:user/release-keys] > > >> I use purely Java, and a standard GLSurfaceView. The exact same > >> behaviour is seen with the nVidia test programs, which use Java merely > >> to invoke standard OpenGL ES 2.0 code in a C++ library. > > >> Cheers, > >> Alan > > >> On Aug 17, 10:05 am, "Dan Raaka" <[email protected]> wrote: > > >> > Can you tell me the fingerprint of the device you are seeing this > behavior ? > >> > $ adb shell getprop | grep fingerprint > > >> > -Dan > > >> > -----Original Message----- > >> > From: [email protected] > > >> > [mailto:[email protected]] On Behalf Of calderwa > >> > Sent: Tuesday, August 16, 2011 3:30 PM > >> > To: Android Developers > >> > Subject: [android-developers]BizarreOpenGL performance on Samsung > Galaxy. > > >> > HI. I have been writing some OpenGL ES 2.0 code, running on both my > Galaxy S > >> > and Asus transformer. The Galaxy exhibits a truly weird behaviour. When > the > >> > phone is connected to the PC via USB, or if it is connceted wirelessly > using > >> > the nVidia SGXPerfServer I get smooth 32 fps performance. If the phone > is > >> > disconnected it is extremely jerky and approximately half this rate. > There > >> > appears to be no appreciable garbage collection that might explain the > >> > effect. It appears not to be a configuration issue, as the behaviour > >> > switched between good and bad when the app is running, simply by > plugging in > >> > and out the USB cable. > >> > The Asus transformer just runs the same irrespective of connection > status. > >> > Any ideas? I have searched long and hard on the web. I have found > multiple > >> > reports of poor openGL performance on Galaxy, but none related to > connection > >> > status. > >> > All help gratefully received. > > >> > -- > >> > You received this message because you are subscribed to the Google > Groups > >> > "Android Developers" group. > >> > To post to this group, send email to > > [email protected]>> > To unsubscribe from this group, send > email to > >> > [email protected] > >> > For more options, visit this group athttp:// > > groups.google.com/group/android-developers?hl=en > > > > > > > -- > > You received this message because you are subscribed to the Google > > Groups "Android Developers" group. > > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > > [email protected] > > For more options, visit this group at > >http://groups.google.com/group/android-developers?hl=en- Hide quoted text - > > - Show quoted text -- Hide quoted text - > > - Show quoted text - -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
