Set timeout on dequeue buffer for BLAST Adapter
BufferQueue may not block if the queue consumer and producer
are controlled by the app. setting the timeout explicitly to prevent
this from happening
Bug: 146345307
Test: build, boot, libgui_test, manual
Change-Id: I5e580b1c45288b48c922a3e312c0d98e40808803
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index acd833f..30e1351 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -101,6 +101,9 @@
mHeight(height),
mNextTransaction(nullptr) {
BufferQueue::createBufferQueue(&mProducer, &mConsumer);
+ // since the adapter is in the client process, set dequeue timeout
+ // explicitly so that dequeueBuffer will block
+ mProducer->setDequeueTimeout(std::numeric_limits<int64_t>::max());
int8_t disableTripleBuffer = property_get_bool("ro.sf.disable_triple_buffer", 0);
if (!disableTripleBuffer) {