hwc: support WFD external display
Change-Id: I3d24ff1757e79c4b41ff6c6db17d0274cd665671
(cherry picked from commit f8942672226a7af26218aa8d325c1677ae2b83dd)
diff --git a/liboverlay/overlay.cpp b/liboverlay/overlay.cpp
index 7b7719c..04deee5 100644
--- a/liboverlay/overlay.cpp
+++ b/liboverlay/overlay.cpp
@@ -220,6 +220,7 @@
}
Overlay* Overlay::sInstance = 0;
+int Overlay::sExtFbIndex = 1;
int Overlay::PipeBook::NUM_PIPES = 0;
int Overlay::PipeBook::sPipeUsageBitmap = 0;
int Overlay::PipeBook::sLastUsageBitmap = 0;