From 843cbb241da60ada234918a30cfe9a01a1e04187 Mon Sep 17 00:00:00 2001
From: Michael Lentine <mlentine@google.com>
Date: Wed, 23 Jul 2014 10:19:41 -0700
Subject: [PATCH] Modify EGL to disconnect the window when the surface gets
 destroyed.

Bug: 14445579

Change-Id: I1d263ff6cffcb6e448761fca7ca4b06466ad65aa
---
 libs/gui/BufferQueueProducer.cpp | 4 ++--
 opengl/libs/EGL/eglApi.cpp       | 9 +++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/libs/gui/BufferQueueProducer.cpp b/libs/gui/BufferQueueProducer.cpp
index 6feebf72c..849a12b96 100644
--- a/libs/gui/BufferQueueProducer.cpp
+++ b/libs/gui/BufferQueueProducer.cpp
@@ -825,8 +825,8 @@ status_t BufferQueueProducer::disconnect(int api) {
                     mCore->mSidebandStream.clear();
                     mCore->mDequeueCondition.broadcast();
                     listener = mCore->mConsumerListener;
-                } else {
-                    BQ_LOGE("disconnect(P): connected to another API "
+                } else if (mCore->mConnectedApi != BufferQueueCore::NO_CONNECTED_API) {
+                    BQ_LOGE("disconnect(P): still connected to another API "
                             "(cur=%d req=%d)", mCore->mConnectedApi, api);
                     status = BAD_VALUE;
                 }
diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index 6e77e457b..99c01b7e9 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -572,6 +572,15 @@ EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
         return setError(EGL_BAD_SURFACE, EGL_FALSE);
 
     egl_surface_t * const s = get_surface(surface);
+    ANativeWindow* window = s->win.get();
+    if (window) {
+        int result = native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
+        if (result != OK) {
+            ALOGE("eglDestroySurface: native_window_api_disconnect (win=%p) "
+                  "failed (%#x)",
+                  window, result);
+        }
+    }
     EGLBoolean result = s->cnx->egl.eglDestroySurface(dp->disp.dpy, s->surface);
     if (result == EGL_TRUE) {
         _s.terminate();