BufferQueue: Allow returning interfaces as I*/Bn*

This adds a second createBufferQueue method that returns
sp<IGraphicBuffer*> interfaces instead of sp<BnGraphicBuffer*>, since
most clients don't actually need the Binderized versions (but some
might).

Change-Id: Iaf4f719c96ddb6f704afc75cf52be22588173e32

1 files changed, 13 insertions, 0 deletions

diff --git a/libs/gui/BufferQueue.cpp b/libs/gui/BufferQueue.cpp
index 26e215b1d7..5000444d75 100644
--- a/libs/gui/BufferQueue.cpp
+++ b/libs/gui/BufferQueue.cpp
@@ -56,6 +56,19 @@ void BufferQueue::createBufferQueue(sp<BnGraphicBufferProducer>* outProducer,
     *outConsumer = new BufferQueueConsumer(core);
 }
 
+void BufferQueue::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
+        sp<IGraphicBufferConsumer>* outConsumer,
+        const sp<IGraphicBufferAlloc>& allocator) {
+    LOG_ALWAYS_FATAL_IF(outProducer == NULL,
+            "BufferQueue: outProducer must not be NULL");
+    LOG_ALWAYS_FATAL_IF(outConsumer == NULL,
+            "BufferQueue: outConsumer must not be NULL");
+
+    sp<BufferQueueCore> core(new BufferQueueCore(allocator));
+    *outProducer = new BufferQueueProducer(core);
+    *outConsumer = new BufferQueueConsumer(core);
+}
+
 BufferQueue::BufferQueue(const sp<IGraphicBufferAlloc>& allocator) :
     mProducer(),
     mConsumer()