auto import from //depot/cupcake/@135843
diff --git a/libs/surfaceflinger/tests/overlays/overlays.cpp b/libs/surfaceflinger/tests/overlays/overlays.cpp
new file mode 100644
index 0000000..f3c046f
--- /dev/null
+++ b/libs/surfaceflinger/tests/overlays/overlays.cpp
@@ -0,0 +1,58 @@
+#include <utils/IPCThreadState.h>
+#include <utils/ProcessState.h>
+#include <utils/IServiceManager.h>
+#include <utils/Log.h>
+
+#include <ui/Surface.h>
+#include <ui/ISurface.h>
+#include <ui/Overlay.h>
+#include <ui/SurfaceComposerClient.h>
+
+using namespace android;
+
+namespace android {
+class Test {
+public:
+ static const sp<ISurface>& getISurface(const sp<Surface>& s) {
+ return s->getISurface();
+ }
+};
+};
+
+int main(int argc, char** argv)
+{
+ // set up the thread-pool
+ sp<ProcessState> proc(ProcessState::self());
+ ProcessState::self()->startThreadPool();
+
+ // create a client to surfaceflinger
+ 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);
+
+
+ /*
+ * 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);
+
+ return 0;
+}