Refugee from Dead Machine 4: MDB Monster

src/gpu/GrResourceCache.cpp

Index: src/gpu/GrResourceCache.cpp
diff --git a/src/gpu/GrResourceCache.cpp b/src/gpu/GrResourceCache.cpp
index cb6bcf75fd7fa284276828679b24dc2df888e1c5..66d32352083098c7ad4e42eac4e1835ddbcf6e48 100644
--- a/src/gpu/GrResourceCache.cpp
+++ b/src/gpu/GrResourceCache.cpp
@@ -371,6 +371,30 @@ void GrResourceCache::notifyCntReachedZero(GrGpuResource* resource, uint32_t fla
         return;
     }
 
+    if (resource->type1() == GrGpuResource::kSurface) {
+        GrRenderTarget* rt = resource->arrgh();
+
+        // TODO: add an assert here that the DT's RT is already closed && discarded!
+        // closed means: official DT ptr is NULL and bit set
+        // All the counts have reached 0!
+        if (rt && rt->getLastDrawTarget()) {
+            SkASSERT(rt->getLastDrawTarget()->isClosed() || rt->getLastDrawTarget()->isEmpty3());
+        }
+
+        if (rt) {
+            rt->setLastDrawTarget(NULL);
+        }
+
+        if (resource->getUniqueKey().isValid()) {
+            SkASSERT(resource->fromRawPixels2() || resource->fException2);
+        } else {
+            SkASSERT(resource->exception() || !resource->fromRawPixels2());
+            resource->setException(false);
+            resource->setFromRawPixels(false);
+            resource->fException2 = false;
+        }
+    }
+
     SkASSERT(resource->isPurgeable());
     this->removeFromNonpurgeableArray(resource);
     fPurgeableQueue.insert(resource);