compositor thread: adding corner case check before wait in Draw.

Adding the check to avoid compositor thread not responsing in some
corner case and leads to UIWDT that found in android stability test.

Jira: https://jira01.devtools.intel.com/browse/OAM-61985
Test: stability test

Signed-off-by: Yuanjun Huang <yuanjun.huang@intel.com>

diff --git a/common/compositor/compositorthread.cpp b/common/compositor/compositorthread.cpp
index e7d0e9a..eddd83e 100644 (file)
--- a/common/compositor/compositorthread.cpp
+++ b/common/compositor/compositorthread.cpp
@@ -103,6 +103,13 @@ bool CompositorThread::Draw(std::vector<DrawState> &states,
   // succeed.
   draw_succeeded_ = true;
   tasks_lock_.unlock();
+
+  // Adding check to avoid waiting in this
+  // thread in certain corner case.
+  if (states_.empty() && media_states_.empty()) {
+    return draw_succeeded_;
+  }
+
   Resume();
   Wait();
   return draw_succeeded_;