revert the surface purgatory list and dependent changes.

6d0f6cb Revert "Fix [3513017] in lockscreen but showing empty launcher (live wallpaper) only"
6154412 Revert "partially fix [3306150] HTML5 video with H/W acceleration blackout (DO NOT MERGE)"
37c2a37 fix [3408713] Dialog window invisible sometimes

It looks like there is a surface leak, it's unclear where it is.
Without those reverts, this would cause a leak of the associated buffers
which is far more problematic. this change might hide the surface leak.

Bug: 4078032
Change-Id: Iedcda3ffcdd2f69d41047b5c3134c1e867ff90d7

1 files changed, 6 insertions, 26 deletions

diff --git a/services/surfaceflinger/LayerBase.cpp b/services/surfaceflinger/LayerBase.cpp
index 0f02c6d3da..21c36e1848 100644
--- a/services/surfaceflinger/LayerBase.cpp
+++ b/services/surfaceflinger/LayerBase.cpp
@@ -515,21 +515,13 @@ void LayerBase::dump(String8& result, char* buffer, size_t SIZE) const
     result.append(buffer);
 }
 
-void LayerBase::shortDump(String8& result, char* scratch, size_t size) const
-{
-    LayerBase::dump(result, scratch, size);
-}
-
-
 // ---------------------------------------------------------------------------
 
 int32_t LayerBaseClient::sIdentity = 1;
 
 LayerBaseClient::LayerBaseClient(SurfaceFlinger* flinger, DisplayID display,
         const sp<Client>& client)
-    : LayerBase(flinger, display),
-      mHasSurface(false),
-      mClientRef(client),
+    : LayerBase(flinger, display), mClientRef(client),
       mIdentity(uint32_t(android_atomic_inc(&sIdentity)))
 {
 }
@@ -546,20 +538,14 @@ sp<LayerBaseClient::Surface> LayerBaseClient::getSurface()
 {
     sp<Surface> s;
     Mutex::Autolock _l(mLock);
-
-    LOG_ALWAYS_FATAL_IF(mHasSurface,
-            "LayerBaseClient::getSurface() has already been called");
-
-    mHasSurface = true;
-    s = createSurface();
-    mClientSurfaceBinder = s->asBinder();
+    s = mClientSurface.promote();
+    if (s == 0) {
+        s = createSurface();
+        mClientSurface = s;
+    }
     return s;
 }
 
-wp<IBinder> LayerBaseClient::getSurfaceBinder() const {
-    return mClientSurfaceBinder;
-}
-
 sp<LayerBaseClient::Surface> LayerBaseClient::createSurface() const
 {
     return new Surface(mFlinger, mIdentity,
@@ -580,12 +566,6 @@ void LayerBaseClient::dump(String8& result, char* buffer, size_t SIZE) const
     result.append(buffer);
 }
 
-
-void LayerBaseClient::shortDump(String8& result, char* scratch, size_t size) const
-{
-    LayerBaseClient::dump(result, scratch, size);
-}
-
 // ---------------------------------------------------------------------------
 
 LayerBaseClient::Surface::Surface(