Refugee from Dead Machine 4: MDB Monster

src/gpu/GrResourceCache.cpp

 
 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrResourceCache.h"
@@ skipping 353 matching lines @@
 #endif
         resource->cacheAccess().setTimestamp(this->getNextTimestamp());
         SkDEBUGCODE(fNewlyPurgeableResourceForValidation = nullptr);
     }
 
     if (!SkToBool(ResourceAccess::kAllCntsReachedZero_RefNotificationFlag & flags)) {
         SkASSERT(!resource->isPurgeable());
         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);
 
     if (!resource->resourcePriv().isBudgeted()) {
         // Check whether this resource could still be used as a scratch resource.
         if (!resource->cacheAccess().isExternal() &&
             resource->resourcePriv().getScratchKey().isValid()) {
             // We won't purge an existing resource to make room for this one.
             if (fBudgetedCount < fMaxCount &&
@@ skipping 349 matching lines @@
         return true;
     }
     if (index < fNonpurgeableResources.count() && fNonpurgeableResources[index] == resource) {
         return true;
     }
     SkDEBUGFAIL("Resource index should be -1 or the resource should be in the cache.");
     return false;
 }
 
 #endif