libs/surfaceflinger/tests/overlays/overlays.cpp

   1 #include <utils/IPCThreadState.h>
   2 #include <utils/ProcessState.h>
   3 #include <utils/IServiceManager.h>
   4 #include <utils/Log.h>
   5
   6 #include <ui/Surface.h>
   7 #include <ui/ISurface.h>
   8 #include <ui/Overlay.h>
   9 #include <ui/SurfaceComposerClient.h>
  10
  11 using namespace android;
  12
  13 namespace android {
  14 class Test {
  15 public:
  16     static const sp<ISurface>& getISurface(const sp<Surface>& s) {
  17         return s->getISurface();
  18     }
  19 };
  20 };
  21
  22 int main(int argc, char** argv)
  23 {
  24     // set up the thread-pool
  25     sp<ProcessState> proc(ProcessState::self());
  26     ProcessState::self()->startThreadPool();
  27
  28     // create a client to surfaceflinger
  29     sp<SurfaceComposerClient> client = new SurfaceComposerClient();
  30
  31     // create pushbuffer surface
  32     sp<Surface> surface = client->createSurface(getpid(), 0, 320, 240,
  33             PIXEL_FORMAT_UNKNOWN, ISurfaceComposer::ePushBuffers);
  34
  35     // get to the isurface
  36     sp<ISurface> isurface = Test::getISurface(surface);
  37     printf("isurface = %p\n", isurface.get());
  38
  39     // now request an overlay
  40     sp<OverlayRef> ref = isurface->createOverlay(320, 240, PIXEL_FORMAT_RGB_565);
  41     sp<Overlay> overlay = new Overlay(ref);
  42
  43
  44     /*
  45      * here we can use the overlay API
  46      */
  47
  48     overlay_buffer_t buffer;
  49     overlay->dequeueBuffer(&buffer);
  50     printf("buffer = %p\n", buffer);
  51
  52     void* address = overlay->getBufferAddress(buffer);
  53     printf("address = %p\n", address);
  54
  55     overlay->queueBuffer(buffer);
  56
  57     return 0;
  58 }