Drop the ref on the GrOpList's target in makeClosed (take 2)

Bug: 729233

TBR=bsalomon@google.com

Change-Id: I5c9a0cb793c7c6564ad355a4a63b29fdc12f6cd7
Reviewed-on: https://skia-review.googlesource.com/19860
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>

src/gpu/GrGpuResourceRef.cpp

@@ -143,11 +143,12 @@ GrSurfaceProxyRef::GrSurfaceProxyRef(sk_sp<GrSurfaceProxy> proxy, GrIOType ioTyp
 }
 
 GrSurfaceProxyRef::~GrSurfaceProxyRef() {
-    if (fOwnRef) {
-        SkASSERT(fProxy);
-        fProxy->unref();
-    }
+    this->reset();
+}
+
+void GrSurfaceProxyRef::reset() {
     if (fPendingIO) {
+        SkASSERT(fProxy);
         switch (fIOType) {
             case kRead_GrIOType:
                 fProxy->completedRead();
@@ -160,17 +161,15 @@ GrSurfaceProxyRef::~GrSurfaceProxyRef() {
                 fProxy->completedWrite();
                 break;
         }
+        fPendingIO = false;
     }
-}
-
-void GrSurfaceProxyRef::reset() {
-    SkASSERT(!fPendingIO);
-    SkASSERT(SkToBool(fProxy) == fOwnRef);
     if (fOwnRef) {
+        SkASSERT(fProxy);
         fProxy->unref();
         fOwnRef = false;
-        fProxy = nullptr;
     }
+
+    fProxy = nullptr;
 }
 
 void GrSurfaceProxyRef::setProxy(sk_sp<GrSurfaceProxy> proxy, GrIOType ioType) {

src/gpu/GrOpList.cpp

@@ -41,13 +41,7 @@ GrOpList::GrOpList(GrResourceProvider* resourceProvider,
 }
 
 GrOpList::~GrOpList() {
-    if (fTarget.get()) {
-        if (this == fTarget.get()->getLastOpList()) {
-            fTarget.get()->setLastOpList(nullptr);
-        }
-
-        fTarget.pendingIOComplete();
-    }
+    this->reset();
 }
 
 bool GrOpList::instantiate(GrResourceProvider* resourceProvider) {
@@ -59,7 +53,6 @@ void GrOpList::reset() {
         fTarget.get()->setLastOpList(nullptr);
     }
 
-    fTarget.pendingIOComplete();
     fTarget.reset();
     fAuditTrail = nullptr;
 }

src/gpu/GrOpList.h

@@ -35,7 +35,10 @@ public:
     virtual bool executeOps(GrOpFlushState* flushState) = 0;
 
     virtual void makeClosed(const GrCaps&) {
-        this->setFlag(kClosed_Flag);
+        if (!this->isClosed()) {
+            this->setFlag(kClosed_Flag);
+            fTarget.removeRef();
+        }
     }
 
     virtual void reset();

src/gpu/GrRenderTargetContext.cpp

@@ -119,6 +119,11 @@ GrRenderTargetContext::GrRenderTargetContext(GrContext* context,
         auto srgbColorSpace = SkColorSpace::MakeSRGB();
         fColorXformFromSRGB = GrColorSpaceXform::Make(srgbColorSpace.get(), fColorSpace.get());
     }
+
+    // MDB TODO: to ensure all resources still get allocated in the correct order in the hybrid
+    // world we need to get the correct opList here so that it, in turn, can grab and hold
+    // its rendertarget.
+    this->getOpList();
     SkDEBUGCODE(this->validate();)
 }