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Commit cd11bd59 authored by Hendrik Wagenaar's avatar Hendrik Wagenaar
Browse files

Discard invisible surfaces 

* Jiwen found that we would try to post invisible layers, and this
  would cause a hang.
* Check to see if the surface is invisible, and if so, discard it

Test: Manually tested with particles
Change-Id: Id4a0813cb30bd48c3cfa4d13dcee59fcb5f58a8d
parent 2572bd4f

libs/vr/libvrflinger/display_surface.cpp

+9 −0
Original line number Diff line number Diff line
@@ -381,6 +381,15 @@ void DisplaySurface::OnPostConsumer( 
  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();