commit 560b98dcdb2b0438a7e1589196af86c41ade4130
author TreeHugger Robot <treehugger-gerrit@google.com> Wed Feb 08 19:07:06 2017 +0000
committer Android (Google) Code Review <android-gerrit@google.com> Wed Feb 08 19:07:06 2017 +0000
tree 431ce44e018e300a2708688bf6941cf4a3923fc6
parent d900c324b841af9ab40b8f52747d5ee88bae8e12
parent cd11bd5909e50a3f69937f73a0b5871ad402d85f

Merge "Discard invisible surfaces"

libs/vr/libvrflinger/display_surface.cpp

diff --git a/libs/vr/libvrflinger/display_surface.cpp b/libs/vr/libvrflinger/display_surface.cpp
index e1729f8..7c821bf 100644
--- a/libs/vr/libvrflinger/display_surface.cpp
+++ b/libs/vr/libvrflinger/display_surface.cpp
@@ -381,6 +381,15 @@
   ATRACE_NAME("DisplaySurface::OnPostConsumer");
   std::lock_guard<std::mutex> autolock(lock_);
 
+  if (!IsVisible()) {
+    ALOGD_IF(TRACE,
+             "DisplaySurface::OnPostConsumer: Discarding buffer_id=%d on "
+             "invisible surface.",
+             consumer->id());
+    consumer->Discard();
+    return;
+  }
+
   if (posted_buffers_.IsFull()) {
     ALOGE("Error: posted buffers full, overwriting");
     posted_buffers_.PopBack();