Revert "Move op memory storage to GrContext"

This reverts commit c8cee446bf9c07da8848bbd032abf26e79966ac1.

Reason for revert: TSAN issues

Original change's description:
> Move op memory storage to GrContext
> 
> TBR=bsalomon@google.com
> Change-Id: Ifa95bf0073b9d948f2c937d10088b7734b971f90
> Reviewed-on: https://skia-review.googlesource.com/131500
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> Commit-Queue: Robert Phillips <robertphillips@google.com>

TBR=egdaniel@google.com,bsalomon@google.com,robertphillips@google.com

Change-Id: Ia0d2b7408314d9b67d57388315376bbea23d3780
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/135181
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>

40 files changed, 116 insertions, 264 deletions

diff --git a/gm/atlastext.cpp b/gm/atlastext.cpp
index c30a6754db..226b83fdd7 100644
--- a/gm/atlastext.cpp
+++ b/gm/atlastext.cpp
@@ -8,7 +8,6 @@
 #include "gm.h"
 
 #if SK_SUPPORT_ATLAS_TEXT
-#include "GrContext.h"
 
 #include "SkAtlasTextContext.h"
 #include "SkAtlasTextFont.h"
@@ -73,7 +72,6 @@ protected:
         if (!targetHandle) {
             return;
         }
-
         fTarget = SkAtlasTextTarget::Make(fContext, kSize, kSize, targetHandle);
 
         fTypefaces[0] = sk_tool_utils::create_portable_typeface("serif", SkFontStyle::Italic());
diff --git a/gm/beziereffects.cpp b/gm/beziereffects.cpp
index 1c26989df2..dea6150549 100644
--- a/gm/beziereffects.cpp
+++ b/gm/beziereffects.cpp
@@ -80,9 +80,7 @@ public:
                                           sk_sp<GrGeometryProcessor> gp,
                                           const SkRect& rect,
                                           GrColor color) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<BezierCubicTestOp>(std::move(gp), rect, color);
+        return std::unique_ptr<GrDrawOp>(new BezierCubicTestOp(std::move(gp), rect, color));
     }
 
 private:
@@ -266,9 +264,8 @@ public:
                                           const SkRect& rect,
                                           GrColor color,
                                           const SkMatrix& klm) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<BezierConicTestOp>(std::move(gp), rect, color, klm);
+        return std::unique_ptr<GrMeshDrawOp>(
+                new BezierConicTestOp(std::move(gp), rect, color, klm));
     }
 
 private:
@@ -488,9 +485,7 @@ public:
                                           const SkRect& rect,
                                           GrColor color,
                                           const GrPathUtils::QuadUVMatrix& devToUV) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<BezierQuadTestOp>(std::move(gp), rect, color, devToUV);
+        return std::unique_ptr<GrDrawOp>(new BezierQuadTestOp(std::move(gp), rect, color, devToUV));
     }
 
 private:
diff --git a/gm/convexpolyeffect.cpp b/gm/convexpolyeffect.cpp
index 18c5ebdcdc..8f8d1b4d50 100644
--- a/gm/convexpolyeffect.cpp
+++ b/gm/convexpolyeffect.cpp
@@ -45,9 +45,7 @@ public:
     static std::unique_ptr<GrDrawOp> Make(GrContext* context,
                                           GrPaint&& paint,
                                           const SkRect& rect) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<PolyBoundsOp>(std::move(paint), rect);
+        return std::unique_ptr<GrDrawOp>(new PolyBoundsOp(std::move(paint), rect));
     }
 
     const char* name() const override { return "PolyBoundsOp"; }
diff --git a/include/atlastext/SkAtlasTextTarget.h b/include/atlastext/SkAtlasTextTarget.h
index 7e4ae449ed..c29f381dc8 100644
--- a/include/atlastext/SkAtlasTextTarget.h
+++ b/include/atlastext/SkAtlasTextTarget.h
@@ -27,9 +27,7 @@ public:
      * Creates a text drawing target. ‘handle’ is used to identify this rendering surface when
      * draws are flushed to the SkAtlasTextContext's SkAtlasTextRenderer.
      */
-    static std::unique_ptr<SkAtlasTextTarget> Make(sk_sp<SkAtlasTextContext>,
-                                                   int width,
-                                                   int height,
+    static std::unique_ptr<SkAtlasTextTarget> Make(sk_sp<SkAtlasTextContext>, int width, int height,
                                                    void* handle);
 
     /**
diff --git a/include/gpu/GrContext.h b/include/gpu/GrContext.h
index 517e23a627..5a2ba4780f 100644
--- a/include/gpu/GrContext.h
+++ b/include/gpu/GrContext.h
@@ -33,7 +33,6 @@ class GrGlyphCache;
 class GrGpu;
 class GrIndexBuffer;
 struct GrMockOptions;
-class GrOpMemoryPool;
 class GrOvalRenderer;
 class GrPath;
 class GrProxyProvider;
@@ -308,8 +307,6 @@ private:
     GrProxyProvider*                        fProxyProvider;
     std::unique_ptr<GrTextureStripAtlasManager> fTextureStripAtlasManager;
 
-    // All the GrOp-derived classes use this pool.
-    sk_sp<GrOpMemoryPool>                   fOpMemoryPool;
 
     GrGlyphCache*                           fGlyphCache;
     std::unique_ptr<GrTextBlobCache>        fTextBlobCache;
diff --git a/include/private/GrCCPerOpListPaths.h b/include/private/GrCCPerOpListPaths.h
index 6e53a1ff5c..b94e82c548 100644
--- a/include/private/GrCCPerOpListPaths.h
+++ b/include/private/GrCCPerOpListPaths.h
@@ -25,7 +25,7 @@ class GrCCPerOpListPaths : public SkRefCnt {
 public:
     ~GrCCPerOpListPaths();
 
-    SkTInternalLList<GrCCDrawPathsOp> fDrawOps; // This class does not own these ops.
+    SkTInternalLList<GrCCDrawPathsOp> fDrawOps;
     std::map<uint32_t, GrCCClipPath> fClipPaths;
     SkSTArenaAlloc<10 * 1024> fAllocator{10 * 1024 * 2};
     sk_sp<const GrCCPerFlushResources> fFlushResources;
diff --git a/include/private/GrOpList.h b/include/private/GrOpList.h
index 0d5a1a245a..846a5834f7 100644
--- a/include/private/GrOpList.h
+++ b/include/private/GrOpList.h
@@ -17,7 +17,6 @@
 class GrAuditTrail;
 class GrCaps;
 class GrOpFlushState;
-class GrOpMemoryPool;
 class GrRenderTargetOpList;
 class GrResourceAllocator;
 class GrResourceProvider;
@@ -29,7 +28,7 @@ struct SkIRect;
 
 class GrOpList : public SkRefCnt {
 public:
-    GrOpList(GrResourceProvider*, sk_sp<GrOpMemoryPool>, GrSurfaceProxy*, GrAuditTrail*);
+    GrOpList(GrResourceProvider*, GrSurfaceProxy*, GrAuditTrail*);
     ~GrOpList() override;
 
     // These four methods are invoked at flush time
@@ -103,16 +102,12 @@ public:
 protected:
     bool isInstantiated() const;
 
-    // This is a backpointer to the GrOpMemoryPool that holds the memory for this opLists' ops.
-    // In the DDL case, these back pointers keep the DDL's GrOpMemoryPool alive as long as its
-    // constituent opLists survive.
-    sk_sp<GrOpMemoryPool> fOpMemoryPool;
-    GrSurfaceProxyRef     fTarget;
-    GrAuditTrail*         fAuditTrail;
+    GrSurfaceProxyRef fTarget;
+    GrAuditTrail*     fAuditTrail;
 
-    GrLoadOp              fColorLoadOp    = GrLoadOp::kLoad;
-    GrColor               fLoadClearColor = 0x0;
-    GrLoadOp              fStencilLoadOp  = GrLoadOp::kLoad;
+    GrLoadOp          fColorLoadOp    = GrLoadOp::kLoad;
+    GrColor           fLoadClearColor = 0x0;
+    GrLoadOp          fStencilLoadOp  = GrLoadOp::kLoad;
 
     // List of texture proxies whose contents are being prepared on a worker thread
     SkTArray<GrTextureProxy*, true> fDeferredProxies;
diff --git a/src/atlastext/SkAtlasTextTarget.cpp b/src/atlastext/SkAtlasTextTarget.cpp
index f4cda548af..0fb9a79ee7 100644
--- a/src/atlastext/SkAtlasTextTarget.cpp
+++ b/src/atlastext/SkAtlasTextTarget.cpp
@@ -83,11 +83,6 @@ public:
                               void* handle)
             : GrTextUtils::Target(width, height, kColorSpaceInfo)
             , SkAtlasTextTarget(std::move(context), width, height, handle) {
-        fOpMemoryPool = fContext->internal().grContext()->contextPriv().refOpMemoryPool();
-    }
-
-    ~SkInternalAtlasTextTarget() override {
-        this->deleteOps();
     }
 
     /** GrTextUtils::Target overrides */
@@ -115,13 +110,10 @@ public:
     void flush() override;
 
 private:
-    void deleteOps();
-
     uint32_t fColor;
     using SkAtlasTextTarget::fWidth;
     using SkAtlasTextTarget::fHeight;
     SkTArray<std::unique_ptr<GrAtlasTextOp>, true> fOps;
-    sk_sp<GrOpMemoryPool> fOpMemoryPool;
 };
 
 //////////////////////////////////////////////////////////////////////////////
@@ -170,7 +162,6 @@ void SkInternalAtlasTextTarget::addDrawOp(const GrClip& clip, std::unique_ptr<Gr
     for (int i = 0; i < n; ++i) {
         GrAtlasTextOp* other = fOps.fromBack(i).get();
         if (other->combineIfPossible(op.get(), caps)) {
-            fOpMemoryPool->release(std::move(op));
             return;
         }
         if (GrRectsOverlap(op->bounds(), other->bounds())) {
@@ -181,21 +172,12 @@ void SkInternalAtlasTextTarget::addDrawOp(const GrClip& clip, std::unique_ptr<Gr
     fOps.emplace_back(std::move(op));
 }
 
-void SkInternalAtlasTextTarget::deleteOps() {
-    for (int i = 0; i < fOps.count(); ++i) {
-        if (fOps[i]) {
-            fOpMemoryPool->release(std::move(fOps[i]));
-        }
-    }
-    fOps.reset();
-}
-
 void SkInternalAtlasTextTarget::flush() {
     for (int i = 0; i < fOps.count(); ++i) {
         fOps[i]->executeForTextTarget(this);
     }
     this->context()->internal().flush();
-    this->deleteOps();
+    fOps.reset();
 }
 
 void GrAtlasTextOp::finalizeForTextTarget(uint32_t color, const GrCaps& caps) {
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index 897f3847db..1697c07938 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -12,7 +12,6 @@
 #include "GrContextPriv.h"
 #include "GrDrawingManager.h"
 #include "GrGpu.h"
-#include "GrMemoryPool.h"
 #include "GrProxyProvider.h"
 #include "GrRenderTargetContext.h"
 #include "GrRenderTargetProxy.h"
@@ -813,22 +812,6 @@ void GrContextPriv::flushSurfaceIO(GrSurfaceProxy* proxy) {
 
 ////////////////////////////////////////////////////////////////////////////////
 
-sk_sp<GrOpMemoryPool> GrContextPriv::refOpMemoryPool() {
-    if (!fContext->fOpMemoryPool) {
-        // DDL TODO: should the size of the memory pool be decreased in DDL mode? CPU-side memory
-        // consumed in DDL mode vs. normal mode for a single skp might be a good metric of wasted
-        // memory.
-        fContext->fOpMemoryPool = sk_sp<GrOpMemoryPool>(new GrOpMemoryPool(16384, 16384));
-    }
-
-    SkASSERT(fContext->fOpMemoryPool);
-    return fContext->fOpMemoryPool;
-}
-
-GrOpMemoryPool* GrContextPriv::opMemoryPool() {
-    return this->refOpMemoryPool().get();
-}
-
 sk_sp<GrSurfaceContext> GrContextPriv::makeWrappedSurfaceContext(sk_sp<GrSurfaceProxy> proxy,
                                                                  sk_sp<SkColorSpace> colorSpace,
                                                                  const SkSurfaceProps* props) {
diff --git a/src/gpu/GrContextPriv.h b/src/gpu/GrContextPriv.h
index 8d4b1ed28f..84de0560fa 100644
--- a/src/gpu/GrContextPriv.h
+++ b/src/gpu/GrContextPriv.h
@@ -13,7 +13,6 @@
 #include "text/GrAtlasManager.h"
 
 class GrBackendRenderTarget;
-class GrOpMemoryPool;
 class GrOnFlushCallbackObject;
 class GrSemaphore;
 class GrSurfaceProxy;
@@ -33,9 +32,6 @@ public:
 
     const GrCaps* caps() const { return fContext->fCaps.get(); }
 
-    sk_sp<GrOpMemoryPool> refOpMemoryPool();
-    GrOpMemoryPool* opMemoryPool();
-
     GrDrawingManager* drawingManager() { return fContext->fDrawingManager.get(); }
 
     sk_sp<GrSurfaceContext> makeWrappedSurfaceContext(sk_sp<GrSurfaceProxy>,
diff --git a/src/gpu/GrDrawingManager.cpp b/src/gpu/GrDrawingManager.cpp
index 7c6338f3d2..99eb04b918 100644
--- a/src/gpu/GrDrawingManager.cpp
+++ b/src/gpu/GrDrawingManager.cpp
@@ -10,7 +10,6 @@
 #include "GrContext.h"
 #include "GrContextPriv.h"
 #include "GrGpu.h"
-#include "GrMemoryPool.h"
 #include "GrOnFlushResourceProvider.h"
 #include "GrOpList.h"
 #include "GrRenderTargetContext.h"
@@ -237,15 +236,6 @@ GrSemaphoresSubmitted GrDrawingManager::internalFlush(GrSurfaceProxy*,
 #endif
     fOpLists.reset();
 
-#ifdef SK_DEBUG
-    // In non-DDL mode this checks that all the flushed ops have been freed from the memory pool.
-    // When we move to partial flushes this assert will no longer be valid.
-    // In DDL mode this check is somewhat superfluous since the memory for most of the ops/opLists
-    // will be stored in the DDL's GrOpMemoryPools.
-    GrOpMemoryPool* opMemoryPool = fContext->contextPriv().opMemoryPool();
-    opMemoryPool->isEmpty();
-#endif
-
     GrSemaphoresSubmitted result = gpu->finishFlush(numSemaphores, backendSemaphores);
 
     flushState.uninstantiateProxyTracker()->uninstantiateAllProxies();
@@ -430,7 +420,6 @@ sk_sp<GrRenderTargetOpList> GrDrawingManager::newRTOpList(GrRenderTargetProxy* r
 
     sk_sp<GrRenderTargetOpList> opList(new GrRenderTargetOpList(
                                                         resourceProvider,
-                                                        fContext->contextPriv().refOpMemoryPool(),
                                                         rtp,
                                                         fContext->contextPriv().getAuditTrail()));
     SkASSERT(rtp->getLastOpList() == opList.get());
@@ -453,7 +442,6 @@ sk_sp<GrTextureOpList> GrDrawingManager::newTextureOpList(GrTextureProxy* textur
     }
 
     sk_sp<GrTextureOpList> opList(new GrTextureOpList(fContext->contextPriv().resourceProvider(),
-                                                      fContext->contextPriv().refOpMemoryPool(),
                                                       textureProxy,
                                                       fContext->contextPriv().getAuditTrail()));
 
diff --git a/src/gpu/GrMemoryPool.h b/src/gpu/GrMemoryPool.h
index 15399b6852..67991d3fa0 100644
--- a/src/gpu/GrMemoryPool.h
+++ b/src/gpu/GrMemoryPool.h
@@ -146,8 +146,6 @@ public:
 
     void release(std::unique_ptr<GrOp> op);
 
-    bool isEmpty() const { return fMemoryPool.isEmpty(); }
-
 private:
     GrMemoryPool fMemoryPool;
 };
diff --git a/src/gpu/GrOpList.cpp b/src/gpu/GrOpList.cpp
index b9f425576e..6fed34a38c 100644
--- a/src/gpu/GrOpList.cpp
+++ b/src/gpu/GrOpList.cpp
@@ -9,7 +9,6 @@
 
 #include "GrContext.h"
 #include "GrDeferredProxyUploader.h"
-#include "GrMemoryPool.h"
 #include "GrSurfaceProxy.h"
 #include "GrTextureProxyPriv.h"
 
@@ -25,13 +24,11 @@ uint32_t GrOpList::CreateUniqueID() {
     return id;
 }
 
-GrOpList::GrOpList(GrResourceProvider* resourceProvider, sk_sp<GrOpMemoryPool> opMemoryPool,
+GrOpList::GrOpList(GrResourceProvider* resourceProvider,
                    GrSurfaceProxy* surfaceProxy, GrAuditTrail* auditTrail)
-        : fOpMemoryPool(std::move(opMemoryPool))
-        , fAuditTrail(auditTrail)
-        , fUniqueID(CreateUniqueID())
-        , fFlags(0) {
-    SkASSERT(fOpMemoryPool);
+    : fAuditTrail(auditTrail)
+    , fUniqueID(CreateUniqueID())
+    , fFlags(0) {
     fTarget.setProxy(sk_ref_sp(surfaceProxy), kWrite_GrIOType);
     fTarget.get()->setLastOpList(this);
 
diff --git a/src/gpu/GrRenderTargetContext.cpp b/src/gpu/GrRenderTargetContext.cpp
index 3e5fb49bc0..d8298108ab 100644
--- a/src/gpu/GrRenderTargetContext.cpp
+++ b/src/gpu/GrRenderTargetContext.cpp
@@ -1727,7 +1727,6 @@ static void op_bounds(SkRect* bounds, const GrOp* op) {
 uint32_t GrRenderTargetContext::addDrawOp(const GrClip& clip, std::unique_ptr<GrDrawOp> op) {
     ASSERT_SINGLE_OWNER
     if (this->drawingManager()->wasAbandoned()) {
-        fContext->contextPriv().opMemoryPool()->release(std::move(op));
         return SK_InvalidUniqueID;
     }
     SkDEBUGCODE(this->validate();)
@@ -1741,7 +1740,6 @@ uint32_t GrRenderTargetContext::addDrawOp(const GrClip& clip, std::unique_ptr<Gr
     if (!clip.apply(fContext, this, fixedFunctionFlags & GrDrawOp::FixedFunctionFlags::kUsesHWAA,
                     fixedFunctionFlags & GrDrawOp::FixedFunctionFlags::kUsesStencil, &appliedClip,
                     &bounds)) {
-        fContext->contextPriv().opMemoryPool()->release(std::move(op));
         return SK_InvalidUniqueID;
     }
 
@@ -1758,7 +1756,6 @@ uint32_t GrRenderTargetContext::addDrawOp(const GrClip& clip, std::unique_ptr<Gr
     if (GrDrawOp::RequiresDstTexture::kYes == op->finalize(*this->caps(), &appliedClip,
                                                            dstIsClamped)) {
         if (!this->setupDstProxy(this->asRenderTargetProxy(), clip, op->bounds(), &dstProxy)) {
-            fContext->contextPriv().opMemoryPool()->release(std::move(op));
             return SK_InvalidUniqueID;
         }
     }
diff --git a/src/gpu/GrRenderTargetOpList.cpp b/src/gpu/GrRenderTargetOpList.cpp
index 423b71ca10..b04ec3629a 100644
--- a/src/gpu/GrRenderTargetOpList.cpp
+++ b/src/gpu/GrRenderTargetOpList.cpp
@@ -26,29 +26,14 @@ static const int kMaxOpLookback = 10;
 static const int kMaxOpLookahead = 10;
 
 GrRenderTargetOpList::GrRenderTargetOpList(GrResourceProvider* resourceProvider,
-                                           sk_sp<GrOpMemoryPool> opMemoryPool,
                                            GrRenderTargetProxy* proxy,
                                            GrAuditTrail* auditTrail)
-        : INHERITED(resourceProvider, std::move(opMemoryPool), proxy, auditTrail)
+        : INHERITED(resourceProvider, proxy, auditTrail)
         , fLastClipStackGenID(SK_InvalidUniqueID)
         SkDEBUGCODE(, fNumClips(0)) {
 }
 
-void GrRenderTargetOpList::RecordedOp::deleteOp(GrOpMemoryPool* opMemoryPool) {
-    opMemoryPool->release(std::move(fOp));
-}
-
-void GrRenderTargetOpList::deleteOps() {
-    for (int i = 0; i < fRecordedOps.count(); ++i) {
-        if (fRecordedOps[i].fOp) {
-            fRecordedOps[i].deleteOp(fOpMemoryPool.get());
-        }
-    }
-    fRecordedOps.reset();
-}
-
 GrRenderTargetOpList::~GrRenderTargetOpList() {
-    this->deleteOps();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -203,7 +188,7 @@ bool GrRenderTargetOpList::onExecute(GrOpFlushState* flushState) {
 
 void GrRenderTargetOpList::endFlush() {
     fLastClipStackGenID = SK_InvalidUniqueID;
-    this->deleteOps();
+    fRecordedOps.reset();
     fClipAllocator.reset();
     INHERITED::endFlush();
 }
@@ -225,7 +210,7 @@ void GrRenderTargetOpList::fullClear(GrContext* context, GrColor color) {
     // Beware! If we ever add any ops that have a side effect beyond modifying the stencil
     // buffer we will need a more elaborate tracking system (skbug.com/7002).
     if (this->isEmpty() || !fTarget.get()->asRenderTargetProxy()->needsStencil()) {
-        this->deleteOps();
+        fRecordedOps.reset();
         fDeferredProxies.reset();
         fColorLoadOp = GrLoadOp::kClear;
         fLoadClearColor = color;
@@ -272,7 +257,7 @@ void GrRenderTargetOpList::purgeOpsWithUninstantiatedProxies() {
         recordedOp.visitProxies(checkInstantiation);
         if (hasUninstantiatedProxy) {
             // When instantiation of the proxy fails we drop the Op
-            recordedOp.deleteOp(fOpMemoryPool.get());
+            recordedOp.fOp = nullptr;
         }
     }
 }
@@ -375,7 +360,6 @@ uint32_t GrRenderTargetOpList::recordOp(std::unique_ptr<GrOp> op,
                 GrOP_INFO("\t\t\tBackward: Combined op info:\n");
                 GrOP_INFO(SkTabString(candidate.fOp->dumpInfo(), 4).c_str());
                 GR_AUDIT_TRAIL_OPS_RESULT_COMBINED(fAuditTrail, candidate.fOp.get(), op.get());
-                fOpMemoryPool->release(std::move(op));
                 return SK_InvalidUniqueID;
             }
             // Stop going backwards if we would cause a painter's order violation.
@@ -421,7 +405,6 @@ void GrRenderTargetOpList::forwardCombine(const GrCaps& caps) {
                           i, op->name(), op->uniqueID(),
                           candidate.fOp->name(), candidate.fOp->uniqueID());
                 GR_AUDIT_TRAIL_OPS_RESULT_COMBINED(fAuditTrail, op, candidate.fOp.get());
-                fOpMemoryPool->release(std::move(fRecordedOps[j].fOp));
                 fRecordedOps[j].fOp = std::move(fRecordedOps[i].fOp);
                 break;
             }
diff --git a/src/gpu/GrRenderTargetOpList.h b/src/gpu/GrRenderTargetOpList.h
index 8629a7cb1f..00b9f5eb27 100644
--- a/src/gpu/GrRenderTargetOpList.h
+++ b/src/gpu/GrRenderTargetOpList.h
@@ -32,8 +32,7 @@ private:
     using DstProxy = GrXferProcessor::DstProxy;
 
 public:
-    GrRenderTargetOpList(GrResourceProvider*, sk_sp<GrOpMemoryPool>,
-                         GrRenderTargetProxy*, GrAuditTrail*);
+    GrRenderTargetOpList(GrResourceProvider*, GrRenderTargetProxy*, GrAuditTrail*);
 
     ~GrRenderTargetOpList() override;
 
@@ -123,8 +122,6 @@ public:
 private:
     friend class GrRenderTargetContextPriv; // for stencil clip state. TODO: this is invasive
 
-    void deleteOps();
-
     struct RecordedOp {
         RecordedOp(std::unique_ptr<GrOp> op, GrAppliedClip* appliedClip, const DstProxy* dstProxy)
                 : fOp(std::move(op)), fAppliedClip(appliedClip) {
@@ -133,12 +130,7 @@ private:
             }
         }
 
-        ~RecordedOp() {
-            // The ops are stored in a GrMemoryPool so had better have been handled separately
-            SkASSERT(!fOp);
-        }
-
-        void deleteOp(GrOpMemoryPool* opMemoryPool);
+        ~RecordedOp() { }
 
         void visitProxies(const GrOp::VisitProxyFunc& func) const {
             if (fOp) {
diff --git a/src/gpu/GrTextureOpList.cpp b/src/gpu/GrTextureOpList.cpp
index 6a601aa83c..a868b5d393 100644
--- a/src/gpu/GrTextureOpList.cpp
+++ b/src/gpu/GrTextureOpList.cpp
@@ -11,7 +11,6 @@
 #include "GrContext.h"
 #include "GrContextPriv.h"
 #include "GrGpu.h"
-#include "GrMemoryPool.h"
 #include "GrResourceAllocator.h"
 #include "GrTextureProxy.h"
 #include "SkStringUtils.h"
@@ -20,28 +19,12 @@
 ////////////////////////////////////////////////////////////////////////////////
 
 GrTextureOpList::GrTextureOpList(GrResourceProvider* resourceProvider,
-                                 sk_sp<GrOpMemoryPool> opMemoryPool,
                                  GrTextureProxy* proxy,
                                  GrAuditTrail* auditTrail)
-        : INHERITED(resourceProvider, std::move(opMemoryPool), proxy, auditTrail) {
-    SkASSERT(fOpMemoryPool);
-}
-
-void GrTextureOpList::deleteOp(int index) {
-    SkASSERT(index >= 0 && index < fRecordedOps.count());
-    fOpMemoryPool->release(std::move(fRecordedOps[index]));
-}
-
-void GrTextureOpList::deleteOps() {
-    for (int i = 0; i < fRecordedOps.count(); ++i) {
-        fOpMemoryPool->release(std::move(fRecordedOps[i]));
-    }
-    fRecordedOps.reset();
-    fOpMemoryPool = nullptr;
+    : INHERITED(resourceProvider, proxy, auditTrail) {
 }
 
 GrTextureOpList::~GrTextureOpList() {
-    this->deleteOps();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -124,7 +107,7 @@ bool GrTextureOpList::onExecute(GrOpFlushState* flushState) {
 }
 
 void GrTextureOpList::endFlush() {
-    this->deleteOps();
+    fRecordedOps.reset();
     INHERITED::endFlush();
 }
 
@@ -169,7 +152,7 @@ void GrTextureOpList::purgeOpsWithUninstantiatedProxies() {
         }
         if (hasUninstantiatedProxy) {
             // When instantiation of the proxy fails we drop the Op
-            this->deleteOp(i);
+            fRecordedOps[i] = nullptr;
         }
     }
 }
diff --git a/src/gpu/GrTextureOpList.h b/src/gpu/GrTextureOpList.h
index 83ec22c602..d3e3e87ef3 100644
--- a/src/gpu/GrTextureOpList.h
+++ b/src/gpu/GrTextureOpList.h
@@ -23,7 +23,7 @@ struct SkIRect;
 
 class GrTextureOpList final : public GrOpList {
 public:
-    GrTextureOpList(GrResourceProvider*, sk_sp<GrOpMemoryPool>, GrTextureProxy*, GrAuditTrail*);
+    GrTextureOpList(GrResourceProvider*, GrTextureProxy*, GrAuditTrail*);
     ~GrTextureOpList() override;
 
     /**
@@ -61,16 +61,12 @@ public:
     SkDEBUGCODE(int numOps() const override { return fRecordedOps.count(); })
 
 private:
-    void deleteOp(int index);
-    void deleteOps();
-
     void purgeOpsWithUninstantiatedProxies() override;
 
     void gatherProxyIntervals(GrResourceAllocator*) const override;
 
     void recordOp(std::unique_ptr<GrOp>);
 
-    // The memory for the ops in 'fRecordedOps' is actually stored in 'fOpMemoryPool'
     SkSTArray<2, std::unique_ptr<GrOp>, true> fRecordedOps;
 
     typedef GrOpList INHERITED;
diff --git a/src/gpu/ccpr/GrCCDrawPathsOp.cpp b/src/gpu/ccpr/GrCCDrawPathsOp.cpp
index 35494b7a6d..16a2c663a5 100644
--- a/src/gpu/ccpr/GrCCDrawPathsOp.cpp
+++ b/src/gpu/ccpr/GrCCDrawPathsOp.cpp
@@ -23,22 +23,16 @@ static bool has_coord_transforms(const GrPaint& paint) {
     return false;
 }
 
-std::unique_ptr<GrCCDrawPathsOp> GrCCDrawPathsOp::Make(GrContext* context,
-                                                       const SkIRect& clipIBounds,
-                                                       const SkMatrix& m,
-                                                       const SkPath& path,
-                                                       const SkRect& devBounds,
-                                                       GrPaint&& paint) {
+std::unique_ptr<GrCCDrawPathsOp> GrCCDrawPathsOp::Make(GrContext*, const SkIRect& clipIBounds,
+                                                       const SkMatrix& m, const SkPath& path,
+                                                       const SkRect& devBounds, GrPaint&& paint) {
     SkIRect looseClippedIBounds;
     devBounds.roundOut(&looseClippedIBounds);  // GrCCPathParser might find slightly tighter bounds.
     if (!looseClippedIBounds.intersect(clipIBounds)) {
         return nullptr;
     }
-
-    GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-    return pool->allocate<GrCCDrawPathsOp>(looseClippedIBounds, m, path,
-                                           devBounds, std::move(paint));
+    return std::unique_ptr<GrCCDrawPathsOp>(
+                   new GrCCDrawPathsOp(looseClippedIBounds, m, path, devBounds, std::move(paint)));
 }
 
 GrCCDrawPathsOp::GrCCDrawPathsOp(const SkIRect& looseClippedIBounds, const SkMatrix& m,
diff --git a/src/gpu/ccpr/GrCCPerFlushResources.cpp b/src/gpu/ccpr/GrCCPerFlushResources.cpp
index ef09df84a9..5b3dec0622 100644
--- a/src/gpu/ccpr/GrCCPerFlushResources.cpp
+++ b/src/gpu/ccpr/GrCCPerFlushResources.cpp
@@ -27,9 +27,8 @@ public:
     static std::unique_ptr<GrDrawOp> Make(GrContext* context,
                                           sk_sp<const GrCCPerFlushResources> resources,
                                           CoverageCountBatchID batchID, const SkISize& drawBounds) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<RenderAtlasOp>(std::move(resources), batchID, drawBounds);
+        return std::unique_ptr<GrDrawOp>(new RenderAtlasOp(std::move(resources), batchID,
+                                                           drawBounds));
     }
 
     // GrDrawOp interface.
diff --git a/src/gpu/ops/GrAtlasTextOp.cpp b/src/gpu/ops/GrAtlasTextOp.cpp
index 1ea3ddfae6..eb39079423 100644
--- a/src/gpu/ops/GrAtlasTextOp.cpp
+++ b/src/gpu/ops/GrAtlasTextOp.cpp
@@ -8,7 +8,6 @@
 #include "GrAtlasTextOp.h"
 
 #include "GrContext.h"
-#include "GrContextPriv.h"
 #include "GrMemoryPool.h"
 #include "GrOpFlushState.h"
 #include "GrResourceProvider.h"
@@ -28,9 +27,7 @@ std::unique_ptr<GrAtlasTextOp> GrAtlasTextOp::MakeBitmap(GrContext* context,
                                                          GrMaskFormat maskFormat,
                                                          int glyphCount,
                                                          bool needsTransform) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        std::unique_ptr<GrAtlasTextOp> op = pool->allocate<GrAtlasTextOp>(std::move(paint));
+        std::unique_ptr<GrAtlasTextOp> op(new GrAtlasTextOp(std::move(paint)));
 
         switch (maskFormat) {
             case kA8_GrMaskFormat:
@@ -60,9 +57,7 @@ std::unique_ptr<GrAtlasTextOp> GrAtlasTextOp::MakeDistanceField(
                                             const SkSurfaceProps& props,
                                             bool isAntiAliased,
                                             bool useLCD) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        std::unique_ptr<GrAtlasTextOp> op = pool->allocate<GrAtlasTextOp>(std::move(paint));
+        std::unique_ptr<GrAtlasTextOp> op(new GrAtlasTextOp(std::move(paint)));
 
         bool isBGR = SkPixelGeometryIsBGR(props.pixelGeometry());
         bool isLCD = useLCD && SkPixelGeometryIsH(props.pixelGeometry());
diff --git a/src/gpu/ops/GrClearOp.cpp b/src/gpu/ops/GrClearOp.cpp
index 612ff2085d..70fc160c95 100644
--- a/src/gpu/ops/GrClearOp.cpp
+++ b/src/gpu/ops/GrClearOp.cpp
@@ -21,9 +21,7 @@ std::unique_ptr<GrClearOp> GrClearOp::Make(GrContext* context,
         return nullptr;
     }
 
-    GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-    return pool->allocate<GrClearOp>(clip, color, dstProxy);
+    return std::unique_ptr<GrClearOp>(new GrClearOp(clip, color, dstProxy));
 }
 
 std::unique_ptr<GrClearOp> GrClearOp::Make(GrContext* context,
@@ -32,9 +30,7 @@ std::unique_ptr<GrClearOp> GrClearOp::Make(GrContext* context,
                                            bool fullScreen) {
     SkASSERT(fullScreen || !rect.isEmpty());
 
-    GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-    return pool->allocate<GrClearOp>(rect, color, fullScreen);
+    return std::unique_ptr<GrClearOp>(new GrClearOp(rect, color, fullScreen));
 }
 
 GrClearOp::GrClearOp(const GrFixedClip& clip, GrColor color, GrSurfaceProxy* proxy)
diff --git a/src/gpu/ops/GrClearStencilClipOp.cpp b/src/gpu/ops/GrClearStencilClipOp.cpp
index 64985b707d..9a0e75a019 100644
--- a/src/gpu/ops/GrClearStencilClipOp.cpp
+++ b/src/gpu/ops/GrClearStencilClipOp.cpp
@@ -14,9 +14,7 @@ std::unique_ptr<GrOp> GrClearStencilClipOp::Make(GrContext* context,
                                                  const GrFixedClip& clip,
                                                  bool insideStencilMask,
                                                  GrRenderTargetProxy* proxy) {
-    GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-    return pool->allocate<GrClearStencilClipOp>(clip, insideStencilMask, proxy);
+    return std::unique_ptr<GrOp>(new GrClearStencilClipOp(clip, insideStencilMask, proxy));
 }
 
 void GrClearStencilClipOp::onExecute(GrOpFlushState* state) {
diff --git a/src/gpu/ops/GrCopySurfaceOp.cpp b/src/gpu/ops/GrCopySurfaceOp.cpp
index a90579bdfe..da8e910025 100644
--- a/src/gpu/ops/GrCopySurfaceOp.cpp
+++ b/src/gpu/ops/GrCopySurfaceOp.cpp
@@ -78,9 +78,8 @@ std::unique_ptr<GrOp> GrCopySurfaceOp::Make(GrContext* context,
         return nullptr;
     }
 
-    GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-    return pool->allocate<GrCopySurfaceOp>(dstProxy, srcProxy, clippedSrcRect, clippedDstPoint);
+    return std::unique_ptr<GrOp>(new GrCopySurfaceOp(dstProxy, srcProxy,
+                                                     clippedSrcRect, clippedDstPoint));
 }
 
 void GrCopySurfaceOp::onExecute(GrOpFlushState* state) {
diff --git a/src/gpu/ops/GrDashOp.cpp b/src/gpu/ops/GrDashOp.cpp
index cafb3e54c9..b784b0590e 100644
--- a/src/gpu/ops/GrDashOp.cpp
+++ b/src/gpu/ops/GrDashOp.cpp
@@ -271,10 +271,8 @@ public:
                                           SkPaint::Cap cap,
                                           AAMode aaMode, bool fullDash,
                                           const GrUserStencilSettings* stencilSettings) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<DashOp>(std::move(paint), geometry, cap,
-                                      aaMode, fullDash, stencilSettings);
+        return std::unique_ptr<GrDrawOp>(
+                new DashOp(std::move(paint), geometry, cap, aaMode, fullDash, stencilSettings));
     }
 
     const char* name() const override { return "DashOp"; }
diff --git a/src/gpu/ops/GrDebugMarkerOp.cpp b/src/gpu/ops/GrDebugMarkerOp.cpp
index 712e625d0b..ed54965e10 100644
--- a/src/gpu/ops/GrDebugMarkerOp.cpp
+++ b/src/gpu/ops/GrDebugMarkerOp.cpp
@@ -17,9 +17,7 @@
 std::unique_ptr<GrOp> GrDebugMarkerOp::Make(GrContext* context,
                                             GrRenderTargetProxy* proxy,
                                             const SkString& str) {
-    GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-    return pool->allocate<GrDebugMarkerOp>(proxy, str);
+    return std::unique_ptr<GrOp>(new GrDebugMarkerOp(proxy, str));
 }
 
 void GrDebugMarkerOp::onExecute(GrOpFlushState* state) {
diff --git a/src/gpu/ops/GrDrawPathOp.cpp b/src/gpu/ops/GrDrawPathOp.cpp
index a8081fcff8..a5a98f2e87 100644
--- a/src/gpu/ops/GrDrawPathOp.cpp
+++ b/src/gpu/ops/GrDrawPathOp.cpp
@@ -69,9 +69,8 @@ std::unique_ptr<GrDrawOp> GrDrawPathOp::Make(GrContext* context,
                                              GrPaint&& paint,
                                              GrAAType aaType,
                                              GrPath* path) {
-    GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-    return pool->allocate<GrDrawPathOp>(viewMatrix, std::move(paint), aaType, path);
+    return std::unique_ptr<GrDrawOp>(
+                new GrDrawPathOp(viewMatrix, std::move(paint), aaType, path));
 }
 
 void GrDrawPathOp::onExecute(GrOpFlushState* state) {
diff --git a/src/gpu/ops/GrOp.cpp b/src/gpu/ops/GrOp.cpp
index cab8ca1d18..f020cdef67 100644
--- a/src/gpu/ops/GrOp.cpp
+++ b/src/gpu/ops/GrOp.cpp
@@ -7,27 +7,57 @@
 
 #include "GrOp.h"
 
+#include "GrMemoryPool.h"
+#include "SkSpinlock.h"
+#include "SkTo.h"
+
+// TODO I noticed a small benefit to using a larger exclusive pool for ops. Its very small, but
+// seems to be mostly consistent.  There is a lot in flux right now, but we should really revisit
+// this.
+
+
+// We use a global pool protected by a mutex(spinlock). Chrome may use the same GrContext on
+// different threads. The GrContext is not used concurrently on different threads and there is a
+// memory barrier between accesses of a context on different threads. Also, there may be multiple
+// GrContexts and those contexts may be in use concurrently on different threads.
+namespace {
+#if !defined(SK_BUILD_FOR_ANDROID_FRAMEWORK)
+static SkSpinlock gOpPoolSpinLock;
+#endif
+class MemoryPoolAccessor {
+public:
+
+// We know in the Android framework there is only one GrContext.
+#if defined(SK_BUILD_FOR_ANDROID_FRAMEWORK)
+    MemoryPoolAccessor() {}
+    ~MemoryPoolAccessor() {}
+#else
+    MemoryPoolAccessor() { gOpPoolSpinLock.acquire(); }
+    ~MemoryPoolAccessor() { gOpPoolSpinLock.release(); }
+#endif
+
+    GrMemoryPool* pool() const {
+        static GrMemoryPool gPool(16384, 16384);
+        return &gPool;
+    }
+};
+}
+
 int32_t GrOp::gCurrOpClassID = GrOp::kIllegalOpID;
 
 int32_t GrOp::gCurrOpUniqueID = GrOp::kIllegalOpID;
 
-#ifdef SK_DEBUG
 void* GrOp::operator new(size_t size) {
-    // All GrOp-derived class should be allocated in a GrMemoryPool
-    SkASSERT(0);
-    return ::operator new(size);
+    return MemoryPoolAccessor().pool()->allocate(size);
 }
 
 void GrOp::operator delete(void* target) {
-    // All GrOp-derived class should be released from their owning GrMemoryPool
-    SkASSERT(0);
-    ::operator delete(target);
+    return MemoryPoolAccessor().pool()->release(target);
 }
-#endif
 
 GrOp::GrOp(uint32_t classID)
-        : fClassID(classID)
-        , fUniqueID(kIllegalOpID) {
+    : fClassID(classID)
+    , fUniqueID(kIllegalOpID) {
     SkASSERT(classID == SkToU32(fClassID));
     SkDEBUGCODE(fBoundsFlags = kUninitialized_BoundsFlag);
 }
diff --git a/src/gpu/ops/GrOp.h b/src/gpu/ops/GrOp.h
index 5c776fc05d..5d7922374c 100644
--- a/src/gpu/ops/GrOp.h
+++ b/src/gpu/ops/GrOp.h
@@ -104,8 +104,6 @@ public:
         return SkToBool(fBoundsFlags & kZeroArea_BoundsFlag);
     }
 
-#ifdef SK_DEBUG
-    // All GrOp-derived classes should be allocated in and deleted from a GrMemoryPool
     void* operator new(size_t size);
     void operator delete(void* target);
 
@@ -115,7 +113,6 @@ public:
     void operator delete(void* target, void* placement) {
         ::operator delete(target, placement);
     }
-#endif
 
     /**
      * Helper for safely down-casting to a GrOp subclass
diff --git a/src/gpu/ops/GrSemaphoreOp.cpp b/src/gpu/ops/GrSemaphoreOp.cpp
index 9beb2a606b..fedf6b723a 100644
--- a/src/gpu/ops/GrSemaphoreOp.cpp
+++ b/src/gpu/ops/GrSemaphoreOp.cpp
@@ -21,9 +21,9 @@ public:
                                       sk_sp<GrSemaphore> semaphore,
                                       GrRenderTargetProxy* proxy,
                                       bool forceFlush) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<GrSignalSemaphoreOp>(std::move(semaphore), proxy, forceFlush);
+        return std::unique_ptr<GrSignalSemaphoreOp>(new GrSignalSemaphoreOp(std::move(semaphore),
+                                                                            proxy,
+                                                                            forceFlush));
     }
 
     const char* name() const override { return "SignalSemaphore"; }
@@ -51,9 +51,8 @@ public:
     static std::unique_ptr<GrOp> Make(GrContext* context,
                                       sk_sp<GrSemaphore> semaphore,
                                       GrRenderTargetProxy* proxy) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<GrWaitSemaphoreOp>(std::move(semaphore), proxy);
+        return std::unique_ptr<GrWaitSemaphoreOp>(new GrWaitSemaphoreOp(std::move(semaphore),
+                                                                        proxy));
     }
 
     const char* name() const override { return "WaitSemaphore"; }
diff --git a/src/gpu/ops/GrShadowRRectOp.cpp b/src/gpu/ops/GrShadowRRectOp.cpp
index f61d11dd53..a2ec23000d 100644
--- a/src/gpu/ops/GrShadowRRectOp.cpp
+++ b/src/gpu/ops/GrShadowRRectOp.cpp
@@ -678,14 +678,12 @@ std::unique_ptr<GrDrawOp> Make(GrContext* context,
     SkScalar scaledRadius = SkScalarAbs(radius*matrixFactor);
     SkScalar scaledInsetWidth = SkScalarAbs(insetWidth*matrixFactor);
 
-    GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-    return pool->allocate<ShadowCircularRRectOp>(color, bounds,
-                                                 scaledRadius,
-                                                 rrect.isOval(),
-                                                 blurWidth,
-                                                 scaledInsetWidth,
-                                                 blurClamp);
+    return std::unique_ptr<GrDrawOp>(new ShadowCircularRRectOp(color, bounds,
+                                                               scaledRadius,
+                                                               rrect.isOval(),
+                                                               blurWidth,
+                                                               scaledInsetWidth,
+                                                               blurClamp));
 }
 }
 
diff --git a/src/gpu/ops/GrSimpleMeshDrawOpHelper.h b/src/gpu/ops/GrSimpleMeshDrawOpHelper.h
index e5229a713a..b63728fe0f 100644
--- a/src/gpu/ops/GrSimpleMeshDrawOpHelper.h
+++ b/src/gpu/ops/GrSimpleMeshDrawOpHelper.h
@@ -174,22 +174,19 @@ template <typename Op, typename... OpArgs>
 std::unique_ptr<GrDrawOp> GrSimpleMeshDrawOpHelper::FactoryHelper(GrContext* context,
                                                                   GrPaint&& paint,
                                                                   OpArgs... opArgs) {
-    GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
     MakeArgs makeArgs;
     makeArgs.fSRGBFlags = GrPipeline::SRGBFlagsFromPaint(paint);
     GrColor color = paint.getColor();
 
     if (paint.isTrivial()) {
         makeArgs.fProcessorSet = nullptr;
-        return pool->allocate<Op>(makeArgs, color, std::forward<OpArgs>(opArgs)...);
+        return std::unique_ptr<GrDrawOp>(new Op(makeArgs, color, std::forward<OpArgs>(opArgs)...));
     } else {
-        char* mem = (char*) pool->allocate(sizeof(Op) + sizeof(GrProcessorSet));
+        char* mem = (char*)GrOp::operator new(sizeof(Op) + sizeof(GrProcessorSet));
         char* setMem = mem + sizeof(Op);
         makeArgs.fProcessorSet = new (setMem) GrProcessorSet(std::move(paint));
-
-        return std::unique_ptr<GrDrawOp>(new (mem) Op(makeArgs, color,
-                                                      std::forward<OpArgs>(opArgs)...));
+        return std::unique_ptr<GrDrawOp>(
+                new (mem) Op(makeArgs, color, std::forward<OpArgs>(opArgs)...));
     }
 }
 
diff --git a/src/gpu/ops/GrStencilPathOp.cpp b/src/gpu/ops/GrStencilPathOp.cpp
index 25dbf311e5..5b712cffbc 100644
--- a/src/gpu/ops/GrStencilPathOp.cpp
+++ b/src/gpu/ops/GrStencilPathOp.cpp
@@ -21,10 +21,8 @@ std::unique_ptr<GrOp> GrStencilPathOp::Make(GrContext* context,
                                             bool hasStencilClip,
                                             const GrScissorState& scissor,
                                             const GrPath* path) {
-    GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-    return pool->allocate<GrStencilPathOp>(viewMatrix, useHWAA, fillType,
-                                           hasStencilClip, scissor, path);
+    return std::unique_ptr<GrOp>(new GrStencilPathOp(viewMatrix, useHWAA, fillType,
+                                                     hasStencilClip, scissor, path));
 }
 
 void GrStencilPathOp::onExecute(GrOpFlushState* state) {
diff --git a/src/gpu/ops/GrTextureOp.cpp b/src/gpu/ops/GrTextureOp.cpp
index e06d94f806..80174bcb7d 100644
--- a/src/gpu/ops/GrTextureOp.cpp
+++ b/src/gpu/ops/GrTextureOp.cpp
@@ -621,11 +621,9 @@ public:
                                           SkCanvas::SrcRectConstraint constraint,
                                           const SkMatrix& viewMatrix,
                                           sk_sp<GrColorSpaceXform> csxf) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<TextureOp>(std::move(proxy), filter, color,
-                                         srcRect, dstRect, aaType, constraint,
-                                         viewMatrix, std::move(csxf));
+        return std::unique_ptr<GrDrawOp>(new TextureOp(std::move(proxy), filter, color, srcRect,
+                                                       dstRect, aaType, constraint, viewMatrix,
+                                                       std::move(csxf)));
     }
 
     ~TextureOp() override {
diff --git a/tests/DrawOpAtlasTest.cpp b/tests/DrawOpAtlasTest.cpp
index e065bf0249..0a5f991e69 100644
--- a/tests/DrawOpAtlasTest.cpp
+++ b/tests/DrawOpAtlasTest.cpp
@@ -13,7 +13,6 @@
 #include "GrDeferredUpload.h"
 #include "GrDrawOpAtlas.h"
 #include "GrDrawingManager.h"
-#include "GrMemoryPool.h"
 #include "GrOnFlushResourceProvider.h"
 #include "GrOpFlushState.h"
 #include "GrRenderTargetContext.h"
@@ -182,7 +181,6 @@ DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrAtlasTextOpPreparation, reporter, ctxInfo)
     auto resourceProvider = context->contextPriv().resourceProvider();
     auto drawingManager = context->contextPriv().drawingManager();
     auto textContext = drawingManager->getTextContext();
-    auto opMemoryPool = context->contextPriv().opMemoryPool();
 
     auto rtc =  context->contextPriv().makeDeferredRenderTargetContext(SkBackingFit::kApprox,
                                                                        32, 32,
@@ -224,5 +222,4 @@ DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrAtlasTextOpPreparation, reporter, ctxInfo)
     flushState.setOpArgs(&opArgs);
     op->prepare(&flushState);
     flushState.setOpArgs(nullptr);
-    opMemoryPool->release(std::move(op));
 }
diff --git a/tests/GrMeshTest.cpp b/tests/GrMeshTest.cpp
index 4d9773b1a9..4535f13975 100644
--- a/tests/GrMeshTest.cpp
+++ b/tests/GrMeshTest.cpp
@@ -258,9 +258,7 @@ public:
 
     static std::unique_ptr<GrDrawOp> Make(GrContext* context,
                                           std::function<void(DrawMeshHelper*)> testFn) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<GrMeshTestOp>(testFn);
+        return std::unique_ptr<GrDrawOp>(new GrMeshTestOp(testFn));
     }
 
 private:
diff --git a/tests/GrPipelineDynamicStateTest.cpp b/tests/GrPipelineDynamicStateTest.cpp
index a197650c4f..0f786e7c23 100644
--- a/tests/GrPipelineDynamicStateTest.cpp
+++ b/tests/GrPipelineDynamicStateTest.cpp
@@ -109,9 +109,8 @@ public:
     static std::unique_ptr<GrDrawOp> Make(GrContext* context,
                                           ScissorState scissorState,
                                           sk_sp<const GrBuffer> vbuff) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<GrPipelineDynamicStateTestOp>(scissorState, std::move(vbuff));
+        return std::unique_ptr<GrDrawOp>(new GrPipelineDynamicStateTestOp(scissorState,
+                                                                          std::move(vbuff)));
     }
 
 private:
diff --git a/tests/LazyProxyTest.cpp b/tests/LazyProxyTest.cpp
index 796e4870db..c0dcbf9647 100644
--- a/tests/LazyProxyTest.cpp
+++ b/tests/LazyProxyTest.cpp
@@ -59,9 +59,7 @@ public:
                                               GrProxyProvider* proxyProvider,
                                               LazyProxyTest* test,
                                               bool nullTexture) {
-            GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-            return pool->allocate<Op>(proxyProvider, test, nullTexture);
+            return std::unique_ptr<GrDrawOp>(new Op(proxyProvider, test, nullTexture));
         }
 
         void visitProxies(const VisitProxyFunc& func) const override {
@@ -272,11 +270,8 @@ public:
                                           GrProxyProvider* proxyProvider,
                                           int* testExecuteValue,
                                           bool shouldFailInstantiation) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<LazyFailedInstantiationTestOp>(proxyProvider,
-                                                             testExecuteValue,
-                                                             shouldFailInstantiation);
+        return std::unique_ptr<GrDrawOp>(new LazyFailedInstantiationTestOp(
+            proxyProvider, testExecuteValue, shouldFailInstantiation));
     }
 
     void visitProxies(const VisitProxyFunc& func) const override {
@@ -372,9 +367,7 @@ public:
     DEFINE_OP_CLASS_ID
 
     static std::unique_ptr<GrDrawOp> Make(GrContext* context, sk_sp<GrTextureProxy> proxy) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<LazyUninstantiateTestOp>(std::move(proxy));
+        return std::unique_ptr<GrDrawOp>(new LazyUninstantiateTestOp(std::move(proxy)));
     }
 
     void visitProxies(const VisitProxyFunc& func) const override {
diff --git a/tests/PrimitiveProcessorTest.cpp b/tests/PrimitiveProcessorTest.cpp
index 74a73a66a9..3a76e6c5e0 100644
--- a/tests/PrimitiveProcessorTest.cpp
+++ b/tests/PrimitiveProcessorTest.cpp
@@ -33,9 +33,7 @@ public:
     const char* name() const override { return "Dummy Op"; }
 
     static std::unique_ptr<GrDrawOp> Make(GrContext* context, int numAttribs) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<Op>(numAttribs);
+        return std::unique_ptr<GrDrawOp>(new Op(numAttribs));
     }
 
     FixedFunctionFlags fixedFunctionFlags() const override {
diff --git a/tests/ProcessorTest.cpp b/tests/ProcessorTest.cpp
index e52070b7d2..3916436cfc 100644
--- a/tests/ProcessorTest.cpp
+++ b/tests/ProcessorTest.cpp
@@ -29,9 +29,7 @@ public:
     DEFINE_OP_CLASS_ID
     static std::unique_ptr<GrDrawOp> Make(GrContext* context,
                                           std::unique_ptr<GrFragmentProcessor> fp) {
-        GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
-
-        return pool->allocate<TestOp>(std::move(fp));
+        return std::unique_ptr<GrDrawOp>(new TestOp(std::move(fp)));
     }
 
     const char* name() const override { return "TestOp"; }