Update: fixed. On Tue, Oct 18, 2011 at 5:56 PM, Romain Guy <[email protected]> wrote:
> The OpenGL backend needs to know when the pixels have been modified, and > copyPixelsFromBuffer() apparently does not notify the Bitmap of the change. > I'll fix this tonight. > > > On Tue, Oct 18, 2011 at 3:19 PM, Josh <[email protected]> wrote: > >> I'm having the same problem running API12, and using >> bmp.getGenerationId() shows these bitmaps are always the same ID, even >> after reloading them with the new pixel data. It seems that the >> generationID is supposed to change when these bitmaps are >> modified...but they aren't. Perhaps a bug? >> >> In any case my current workaround is to do view.setLayerType(1, null), >> essentially, as you mentioned, I'm just not using hardware >> acceleration. Sadly, it does slow down what I'm doing, but it seems to >> be manageable and it avoids that garbage collection. >> >> Let me know if you find another way to keep HW accel. >> >> On Oct 8, 3:36 am, Selueco <[email protected]> wrote: >> > Hi, >> > >> > I am blitting a byte buffer to an Object Bitmap using a HW accelerated >> > Canvas. To avoid garbage collector i would like to reuse the bitmap >> > doing a bmp.copyPixelsFromBuffer(bf). >> > >> > The problem here is that Android 3.0 canvas HW accelerated seems to >> > not reupload bitmap texture unless it is a different object... >> > >> > My workround was to use drawBitmap(int[] colors ... previusly i had >> > to do a bmp.getPixels( ... this is slow... since involves an RGB565 to >> > RGB8888 conversion by frame >> > >> > any ideas why Android 3.0 HW accelerated not reupload bitmap textures >> > which bytes are internally changed? >> > >> > is this a bug? >> >> -- >> 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 >> > > > > -- > Romain Guy > Android framework engineer > [email protected] > > -- Romain Guy Android framework engineer [email protected] -- 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
