Hi Jill,
I don't think this file exists. I could write a dummy one, just to
prove it though and help with my research.
Thanks
Chris
On Mon, Jun 22, 2009 at 2:24 AM, Jill Zhou<ruohong.z...@gmail.com> wrote:
> Hi, Chris
>
> You can check "adb logcat". If surfacefringer fails to load overlay.*.so
> (it's in /system/lib/hw), it means dream does not support hardware overlays.
> I'm not familar with HDC dream. So I can't give you helpful advice up to
> now.
>
> Regards,
> Jill
>
> On Sat, Jun 20, 2009 at 12:43 AM, Chris Rutherford
> <chrismrutherf...@googlemail.com> wrote:
>>
>> When I run this (test) code on the HDC dream I get null address for
>> buffer and address. I can create the isurface and overlay ok (no
>> segfaults).
>>
>> printf("buffer = %p\n", buffer); (prints buffer = 0x0)
>> printf("address = %p\n", address); (prints address = 0x0)
>>
>> Is this because the dream does not support hardware overlays? What
>> can I do to make this work?
>>
>>
>> On Apr 30, 3:53 pm, "Jill.Zhou" <ruohong.z...@gmail.com> wrote:
>> > After debug into SurfaceFringer, I found the following code can work
>> > to set overlay position:
>> >
>> > sp<SurfaceComposerClient> client = new SurfaceComposerClient();
>> >
>> > // create pushbuffer surface
>> > sp<Surface> surface = client->createSurface(getpid(), 0, 320,
>> > 240,
>> > PIXEL_FORMAT_UNKNOWN, ISurfaceComposer::ePushBuffers);
>> >
>> > // get to the isurface
>> > sp<ISurface> isurface = Test::getISurface(surface);
>> > printf("isurface = %p\n", isurface.get());
>> >
>> > // now request an overlay
>> > sp<OverlayRef> ref = isurface->createOverlay(320, 240,
>> > PIXEL_FORMAT_RGB_565);
>> > sp<Overlay> overlay = new Overlay(ref);
>> >
>> > /* Code to set position */
>> > client->openTransaction();
>> > surface->setPosition(30, 30);
>> > client->closeTransaction();
>> >
>> > /*
>> > * here we can use the overlay API
>> > */
>> >
>> > overlay_buffer_t buffer;
>> > overlay->dequeueBuffer(&buffer);
>> > printf("buffer = %p\n", buffer);
>> >
>> > void* address = overlay->getBufferAddress(buffer);
>> > printf("address = %p\n", address);
>> >
>> > overlay->queueBuffer(buffer);
>>
>
>
> >
>
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