tests/LazyProxyTest.cpp - platform/external/skia - Gitiles

 /*
  * Copyright 2017 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */

 #include "tests/Test.h"

 #include "include/gpu/GrTexture.h"
 #include "include/gpu/mock/GrMockTypes.h"
 #include "src/core/SkExchange.h"
 #include "src/core/SkMakeUnique.h"
 #include "src/core/SkRectPriv.h"
 #include "src/gpu/GrClip.h"
 #include "src/gpu/GrContextPriv.h"
 #include "src/gpu/GrMemoryPool.h"
 #include "src/gpu/GrOnFlushResourceProvider.h"
 #include "src/gpu/GrProxyProvider.h"
 #include "src/gpu/GrRecordingContextPriv.h"
 #include "src/gpu/GrRenderTargetContext.h"
 #include "src/gpu/GrRenderTargetContextPriv.h"
 #include "src/gpu/GrSurfaceProxy.h"
 #include "src/gpu/GrSurfaceProxyPriv.h"
 #include "src/gpu/GrTextureProxy.h"
 #include "src/gpu/GrTextureProxyPriv.h"
 #include "src/gpu/mock/GrMockGpu.h"

 // This test verifies that lazy proxy callbacks get invoked during flush, after onFlush callbacks,
 // but before Ops are executed. It also ensures that lazy proxy callbacks are invoked both for
 // regular Ops and for clips.
 class LazyProxyTest final : public GrOnFlushCallbackObject {
 public:
     LazyProxyTest(skiatest::Reporter* reporter)
             : fReporter(reporter)
             , fHasOpTexture(false)
             , fHasClipTexture(false) {
     }

     ~LazyProxyTest() override {
         REPORTER_ASSERT(fReporter, fHasOpTexture);
         REPORTER_ASSERT(fReporter, fHasClipTexture);
     }

     void preFlush(GrOnFlushResourceProvider*, const uint32_t*, int,
                   SkTArray<sk_sp<GrRenderTargetContext>>*) override {
         REPORTER_ASSERT(fReporter, !fHasOpTexture);
         REPORTER_ASSERT(fReporter, !fHasClipTexture);
     }

     void postFlush(GrDeferredUploadToken, const uint32_t* opListIDs, int numOpListIDs) override {
         REPORTER_ASSERT(fReporter, fHasOpTexture);
         REPORTER_ASSERT(fReporter, fHasClipTexture);
     }

     class Op final : public GrDrawOp {
     public:
         DEFINE_OP_CLASS_ID

         static std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context,
                                               GrProxyProvider* proxyProvider,
                                               LazyProxyTest* test,
                                               bool nullTexture) {
             GrOpMemoryPool* pool = context->priv().opMemoryPool();

             return pool->allocate<Op>(context, proxyProvider, test, nullTexture);
         }

         void visitProxies(const VisitProxyFunc& func) const override {
             func(fProxy.get(), GrMipMapped::kNo);
         }

         void onExecute(GrOpFlushState*, const SkRect& chainBounds) override {
             REPORTER_ASSERT(fTest->fReporter, fTest->fHasOpTexture);
             REPORTER_ASSERT(fTest->fReporter, fTest->fHasClipTexture);
         }

     private:
         friend class GrOpMemoryPool; // for ctor

         Op(GrRecordingContext* ctx, GrProxyProvider* proxyProvider,
            LazyProxyTest* test, bool nullTexture)
                     : GrDrawOp(ClassID()), fTest(test) {
             const GrBackendFormat format =
                     ctx->priv().caps()->getBackendFormatFromColorType(GrColorType::kBGR_565);
             fProxy = GrProxyProvider::MakeFullyLazyProxy(
                     [this, nullTexture](
                             GrResourceProvider* rp) -> GrSurfaceProxy::LazyInstantiationResult {
                         REPORTER_ASSERT(fTest->fReporter, !fTest->fHasOpTexture);
                         fTest->fHasOpTexture = true;
                         if (nullTexture) {
                             return {};
                         } else {
                             GrSurfaceDesc desc;
                             desc.fWidth = 1234;
                             desc.fHeight = 567;
                             desc.fConfig = kRGB_565_GrPixelConfig;
                             sk_sp<GrTexture> texture = rp->createTexture(
                                 desc, SkBudgeted::kYes, GrResourceProvider::Flags::kNoPendingIO);
                             REPORTER_ASSERT(fTest->fReporter, texture);
                             return std::move(texture);
                         }
                     },
                     format, GrProxyProvider::Renderable::kNo, kTopLeft_GrSurfaceOrigin,
                     kRGB_565_GrPixelConfig, *proxyProvider->caps());

             this->setBounds(SkRectPriv::MakeLargest(), GrOp::HasAABloat::kNo,
                             GrOp::IsZeroArea::kNo);
         }

         const char* name() const override { return "LazyProxyTest::Op"; }
         FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
         GrProcessorSet::Analysis finalize(const GrCaps&, const GrAppliedClip* clip,
                                           bool hasMixedSampledCoverage, GrClampType) override {
             return GrProcessorSet::EmptySetAnalysis();
         }
         void onPrepare(GrOpFlushState*) override {}

         LazyProxyTest* const fTest;
         sk_sp<GrTextureProxy> fProxy;
     };

     class ClipFP : public GrFragmentProcessor {
     public:
         ClipFP(GrRecordingContext* ctx, GrProxyProvider* proxyProvider, LazyProxyTest* test,
                GrTextureProxy* atlas)
                 : GrFragmentProcessor(kTestFP_ClassID, kNone_OptimizationFlags)
                 , fContext(ctx)
                 , fProxyProvider(proxyProvider)
                 , fTest(test)
                 , fAtlas(atlas) {
             const GrBackendFormat format =
                 ctx->priv().caps()->getBackendFormatFromColorType(GrColorType::kAlpha_F16);
             fLazyProxy = GrProxyProvider::MakeFullyLazyProxy(
                     [this](GrResourceProvider* rp) -> GrSurfaceProxy::LazyInstantiationResult {
                         REPORTER_ASSERT(fTest->fReporter, !fTest->fHasClipTexture);
                         fTest->fHasClipTexture = true;
                         fAtlas->instantiate(rp);
                         return sk_ref_sp(fAtlas->peekTexture());
                     },
                     format, GrProxyProvider::Renderable::kYes, kBottomLeft_GrSurfaceOrigin,
                     kAlpha_half_GrPixelConfig, *proxyProvider->caps());
             fAccess.reset(fLazyProxy, GrSamplerState::Filter::kNearest,
                           GrSamplerState::WrapMode::kClamp);
             this->setTextureSamplerCnt(1);
         }

     private:
         const char* name() const override { return "LazyProxyTest::ClipFP"; }
         std::unique_ptr<GrFragmentProcessor> clone() const override {
             return skstd::make_unique<ClipFP>(fContext, fProxyProvider, fTest, fAtlas);
         }
         GrGLSLFragmentProcessor* onCreateGLSLInstance() const override { return nullptr; }
         void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override {}
         bool onIsEqual(const GrFragmentProcessor&) const override { return false; }
         const TextureSampler& onTextureSampler(int) const override { return fAccess; }

         GrRecordingContext* const fContext;
         GrProxyProvider* const fProxyProvider;
         LazyProxyTest* const fTest;
         GrTextureProxy* const fAtlas;
         sk_sp<GrTextureProxy> fLazyProxy;
         TextureSampler fAccess;
     };


     class Clip : public GrClip {
     public:
         Clip(LazyProxyTest* test, GrTextureProxy* atlas)
                 : fTest(test)
                 , fAtlas(atlas) {}

     private:
         bool apply(GrRecordingContext* context, GrRenderTargetContext*, bool useHWAA,
                    bool hasUserStencilSettings, GrAppliedClip* out, SkRect* bounds) const override {
             GrProxyProvider* proxyProvider = context->priv().proxyProvider();
             out->addCoverageFP(skstd::make_unique<ClipFP>(context, proxyProvider, fTest, fAtlas));
             return true;
         }
         bool quickContains(const SkRect&) const final { return false; }
         bool isRRect(const SkRect& rtBounds, SkRRect* rr, GrAA*) const final { return false; }
         void getConservativeBounds(int width, int height, SkIRect* rect, bool* iior) const final {
             rect->set(0, 0, width, height);
             if (iior) {
                 *iior = false;
             }
         }

         LazyProxyTest* const fTest;
         GrTextureProxy* fAtlas;
     };

 private:
     skiatest::Reporter* fReporter;
     bool fHasOpTexture;
     bool fHasClipTexture;
 };

 DEF_GPUTEST(LazyProxyTest, reporter, /* options */) {
     GrMockOptions mockOptions;
     mockOptions.fConfigOptions[(int)GrColorType::kAlpha_F16].fRenderability =
             GrMockOptions::ConfigOptions::Renderability::kNonMSAA;
     mockOptions.fConfigOptions[(int)GrColorType::kAlpha_F16].fTexturable = true;
     sk_sp<GrContext> ctx = GrContext::MakeMock(&mockOptions, GrContextOptions());
     GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();
     for (bool nullTexture : {false, true}) {
         LazyProxyTest test(reporter);
         ctx->priv().addOnFlushCallbackObject(&test);
         sk_sp<GrRenderTargetContext> rtc = ctx->priv().makeDeferredRenderTargetContext(
                 SkBackingFit::kExact, 100, 100, GrColorType::kRGBA_8888, nullptr);
         REPORTER_ASSERT(reporter, rtc);
         sk_sp<GrRenderTargetContext> mockAtlas = ctx->priv().makeDeferredRenderTargetContext(
                 SkBackingFit::kExact, 10, 10, GrColorType::kAlpha_F16, nullptr);
         REPORTER_ASSERT(reporter, mockAtlas);
         rtc->priv().testingOnly_addDrawOp(LazyProxyTest::Clip(&test, mockAtlas->asTextureProxy()),
                         LazyProxyTest::Op::Make(ctx.get(), proxyProvider, &test, nullTexture));
         ctx->priv().testingOnly_flushAndRemoveOnFlushCallbackObject(&test);
     }
 }

 static const int kSize = 16;

 DEF_GPUTEST(LazyProxyReleaseTest, reporter, /* options */) {
     GrMockOptions mockOptions;
     sk_sp<GrContext> ctx = GrContext::MakeMock(&mockOptions, GrContextOptions());
     auto proxyProvider = ctx->priv().proxyProvider();

     GrSurfaceDesc desc;
     desc.fWidth = kSize;
     desc.fHeight = kSize;
     desc.fConfig = kRGBA_8888_GrPixelConfig;

     GrBackendFormat format =
             ctx->priv().caps()->getBackendFormatFromColorType(GrColorType::kRGBA_8888);

     using LazyInstantiationType = GrSurfaceProxy::LazyInstantiationType;
     using LazyInstantiationResult = GrSurfaceProxy::LazyInstantiationResult;
     for (bool doInstantiate : {true, false}) {
         for (auto lazyType : {LazyInstantiationType::kSingleUse,
                               LazyInstantiationType::kMultipleUse,
                               LazyInstantiationType::kDeinstantiate}) {
             int testCount = 0;
             // Sets an integer to 1 when the callback is called and -1 when it is deleted.
             class TestCallback {
             public:
                 TestCallback(int* value) : fValue(value) {}
                 TestCallback(const TestCallback& that) { SkASSERT(0); }
                 TestCallback(TestCallback&& that) : fValue(that.fValue) { that.fValue = nullptr; }

                 ~TestCallback() { fValue ? (void)(*fValue = -1) : void(); }

                 TestCallback& operator=(TestCallback&& that) {
                     fValue = skstd::exchange(that.fValue, nullptr);
                     return *this;
                 }
                 TestCallback& operator=(const TestCallback& that) = delete;

                 LazyInstantiationResult operator()(GrResourceProvider* resourceProvider) const {
                     *fValue = 1;
                     return {};
                 }

             private:
                 int* fValue = nullptr;
             };
             sk_sp<GrTextureProxy> proxy = proxyProvider->createLazyProxy(
                     TestCallback(&testCount), format, desc, kTopLeft_GrSurfaceOrigin,
                     GrMipMapped::kNo, GrInternalSurfaceFlags::kNone, SkBackingFit::kExact,
                     SkBudgeted::kNo, lazyType);

             REPORTER_ASSERT(reporter, proxy.get());
             REPORTER_ASSERT(reporter, 0 == testCount);

             if (doInstantiate) {
                 proxy->priv().doLazyInstantiation(ctx->priv().resourceProvider());
                 if (LazyInstantiationType::kSingleUse == proxy->priv().lazyInstantiationType()) {
                     // In SingleUse we will call the cleanup and delete the callback in the
                     // doLazyInstantiationCall.
                     REPORTER_ASSERT(reporter, -1 == testCount);
                 } else {
                     REPORTER_ASSERT(reporter, 1 == testCount);
                 }
                 proxy.reset();
                 REPORTER_ASSERT(reporter, -1 == testCount);
             } else {
                 proxy.reset();
                 REPORTER_ASSERT(reporter, -1 == testCount);
             }
         }
     }
 }

 class LazyFailedInstantiationTestOp : public GrDrawOp {
 public:
     DEFINE_OP_CLASS_ID

     static std::unique_ptr<GrDrawOp> Make(GrContext* context,
                                           GrProxyProvider* proxyProvider,
                                           int* testExecuteValue,
                                           bool shouldFailInstantiation) {
         GrOpMemoryPool* pool = context->priv().opMemoryPool();

         return pool->allocate<LazyFailedInstantiationTestOp>(context, proxyProvider,
                                                              testExecuteValue,
                                                              shouldFailInstantiation);
     }

     void visitProxies(const VisitProxyFunc& func) const override {
         func(fLazyProxy.get(), GrMipMapped::kNo);
     }

 private:
     friend class GrOpMemoryPool; // for ctor

     LazyFailedInstantiationTestOp(GrContext* ctx, GrProxyProvider* proxyProvider,
                                   int* testExecuteValue, bool shouldFailInstantiation)
             : INHERITED(ClassID())
             , fTestExecuteValue(testExecuteValue) {
         GrSurfaceDesc desc;
         desc.fWidth = kSize;
         desc.fHeight = kSize;
         desc.fConfig = kRGBA_8888_GrPixelConfig;
         GrBackendFormat format =
                 ctx->priv().caps()->getBackendFormatFromColorType(GrColorType::kRGBA_8888);

         fLazyProxy = proxyProvider->createLazyProxy(
                 [testExecuteValue, shouldFailInstantiation,
                  desc](GrResourceProvider* rp) -> GrSurfaceProxy::LazyInstantiationResult {
                     if (shouldFailInstantiation) {
                         *testExecuteValue = 1;
                         return {};
                     }
                     return {rp->createTexture(desc, SkBudgeted::kNo,
                                               GrResourceProvider::Flags::kNoPendingIO),
                             GrSurfaceProxy::LazyInstantiationKeyMode::kUnsynced};
                 },
                 format, desc, kTopLeft_GrSurfaceOrigin, GrMipMapped::kNo, SkBackingFit::kExact,
                 SkBudgeted::kNo);

         SkASSERT(fLazyProxy.get());

         this->setBounds(SkRect::MakeIWH(kSize, kSize),
                         HasAABloat::kNo, IsZeroArea::kNo);
     }

     const char* name() const override { return "LazyFailedInstantiationTestOp"; }
     FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
     GrProcessorSet::Analysis finalize(const GrCaps&, const GrAppliedClip*,
                                       bool hasMixedSampledCoverage, GrClampType) override {
         return GrProcessorSet::EmptySetAnalysis();
     }
     void onPrepare(GrOpFlushState*) override {}
     void onExecute(GrOpFlushState* state, const SkRect& chainBounds) override {
         *fTestExecuteValue = 2;
     }

     int* fTestExecuteValue;
     sk_sp<GrSurfaceProxy> fLazyProxy;

     typedef GrDrawOp INHERITED;
 };

 // Test that when a lazy proxy fails to instantiate during flush that we drop the Op that it was
 // associated with.
 DEF_GPUTEST(LazyProxyFailedInstantiationTest, reporter, /* options */) {
     GrMockOptions mockOptions;
     sk_sp<GrContext> ctx = GrContext::MakeMock(&mockOptions, GrContextOptions());
     GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();
     for (bool failInstantiation : {false, true}) {
         sk_sp<GrRenderTargetContext> rtc = ctx->priv().makeDeferredRenderTargetContext(
                 SkBackingFit::kExact, 100, 100, GrColorType::kRGBA_8888, nullptr);
         REPORTER_ASSERT(reporter, rtc);

         rtc->clear(nullptr, SkPMColor4f::FromBytes_RGBA(0xbaaaaaad),
                    GrRenderTargetContext::CanClearFullscreen::kYes);

         int executeTestValue = 0;
         rtc->priv().testingOnly_addDrawOp(LazyFailedInstantiationTestOp::Make(
                 ctx.get(), proxyProvider, &executeTestValue, failInstantiation));
         ctx->flush();

         if (failInstantiation) {
             REPORTER_ASSERT(reporter, 1 == executeTestValue);
         } else {
             REPORTER_ASSERT(reporter, 2 == executeTestValue);
         }
     }
 }

 class LazyDeinstantiateTestOp : public GrDrawOp {
 public:
     DEFINE_OP_CLASS_ID

     static std::unique_ptr<GrDrawOp> Make(GrContext* context, sk_sp<GrTextureProxy> proxy) {
         GrOpMemoryPool* pool = context->priv().opMemoryPool();

         return pool->allocate<LazyDeinstantiateTestOp>(std::move(proxy));
     }

     void visitProxies(const VisitProxyFunc& func) const override {
         func(fLazyProxy.get(), GrMipMapped::kNo);
     }

 private:
     friend class GrOpMemoryPool; // for ctor

     LazyDeinstantiateTestOp(sk_sp<GrTextureProxy> proxy)
             : INHERITED(ClassID()), fLazyProxy(std::move(proxy)) {
         this->setBounds(SkRect::MakeIWH(kSize, kSize), HasAABloat::kNo, IsZeroArea::kNo);
     }

     const char* name() const override { return "LazyDeinstantiateTestOp"; }
     FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
     GrProcessorSet::Analysis finalize(const GrCaps&, const GrAppliedClip*,
                                       bool hasMixedSampledCoverage, GrClampType) override {
         return GrProcessorSet::EmptySetAnalysis();
     }
     void onPrepare(GrOpFlushState*) override {}
     void onExecute(GrOpFlushState* state, const SkRect& chainBounds) override {}

     sk_sp<GrSurfaceProxy> fLazyProxy;

     typedef GrDrawOp INHERITED;
 };

 static void DeinstantiateReleaseProc(void* releaseValue) { (*static_cast<int*>(releaseValue))++; }

 // Test that lazy proxies with the Deinstantiate LazyCallbackType are deinstantiated and released as
 // expected.
 DEF_GPUTEST(LazyProxyDeinstantiateTest, reporter, /* options */) {
     GrMockOptions mockOptions;
     sk_sp<GrContext> ctx = GrContext::MakeMock(&mockOptions, GrContextOptions());
     GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();

     GrBackendFormat format =
                 ctx->priv().caps()->getBackendFormatFromColorType(GrColorType::kRGBA_8888);

     using LazyType = GrSurfaceProxy::LazyInstantiationType;
     for (auto lazyType : {LazyType::kSingleUse, LazyType::kMultipleUse, LazyType::kDeinstantiate}) {
         sk_sp<GrRenderTargetContext> rtc = ctx->priv().makeDeferredRenderTargetContext(
                 SkBackingFit::kExact, 100, 100, GrColorType::kRGBA_8888, nullptr);
         REPORTER_ASSERT(reporter, rtc);

         rtc->clear(nullptr, SkPMColor4f::FromBytes_RGBA(0xbaaaaaad),
                    GrRenderTargetContext::CanClearFullscreen::kYes);

         int instantiateTestValue = 0;
         int releaseTestValue = 0;
         int* instantiatePtr = &instantiateTestValue;
         int* releasePtr = &releaseTestValue;
         GrSurfaceDesc desc;
         desc.fWidth = kSize;
         desc.fHeight = kSize;
         desc.fConfig = kRGBA_8888_GrPixelConfig;

         GrBackendTexture backendTex = ctx->createBackendTexture(
                 kSize, kSize, kRGBA_8888_SkColorType, SkColors::kTransparent,
                 GrMipMapped::kNo, GrRenderable::kNo, GrProtected::kNo);

         sk_sp<GrTextureProxy> lazyProxy = proxyProvider->createLazyProxy(
                 [instantiatePtr, releasePtr,
                  backendTex](GrResourceProvider* rp) -> GrSurfaceProxy::LazyInstantiationResult {
                     sk_sp<GrTexture> texture =
                             rp->wrapBackendTexture(backendTex, kBorrow_GrWrapOwnership,
                                                    GrWrapCacheable::kNo, kRead_GrIOType);
                     if (!texture) {
                         return {};
                     }
                     (*instantiatePtr)++;
                     texture->setRelease(DeinstantiateReleaseProc, releasePtr);
                     return std::move(texture);
                 },
                 format, desc, kTopLeft_GrSurfaceOrigin, GrMipMapped::kNo,
                 GrInternalSurfaceFlags::kReadOnly, SkBackingFit::kExact, SkBudgeted::kNo, lazyType);

         REPORTER_ASSERT(reporter, lazyProxy.get());

         rtc->priv().testingOnly_addDrawOp(LazyDeinstantiateTestOp::Make(ctx.get(), lazyProxy));

         ctx->flush();

         REPORTER_ASSERT(reporter, 1 == instantiateTestValue);
         if (LazyType::kDeinstantiate == lazyType) {
             REPORTER_ASSERT(reporter, 1 == releaseTestValue);
         } else {
             REPORTER_ASSERT(reporter, 0 == releaseTestValue);
         }

         // This should cause the uninstantiate proxies to be instantiated again but have no effect
         // on the others
         rtc->priv().testingOnly_addDrawOp(LazyDeinstantiateTestOp::Make(ctx.get(), lazyProxy));
         // Add a second op to make sure we only instantiate once.
         rtc->priv().testingOnly_addDrawOp(LazyDeinstantiateTestOp::Make(ctx.get(), lazyProxy));
         ctx->flush();

         if (LazyType::kDeinstantiate == lazyType) {
             REPORTER_ASSERT(reporter, 2 == instantiateTestValue);
             REPORTER_ASSERT(reporter, 2 == releaseTestValue);
         } else {
             REPORTER_ASSERT(reporter, 1 == instantiateTestValue);
             REPORTER_ASSERT(reporter, 0 == releaseTestValue);
         }

         lazyProxy.reset();
         if (LazyType::kDeinstantiate == lazyType) {
             REPORTER_ASSERT(reporter, 2 == releaseTestValue);
         } else {
             REPORTER_ASSERT(reporter, 1 == releaseTestValue);
         }

         ctx->deleteBackendTexture(backendTex);
     }
 }
	/*
	* Copyright 2017 Google Inc.
	*
	* Use of this source code is governed by a BSD-style license that can be
	* found in the LICENSE file.
	*/

	#include "tests/Test.h"

	#include "include/gpu/GrTexture.h"
	#include "include/gpu/mock/GrMockTypes.h"
	#include "src/core/SkExchange.h"
	#include "src/core/SkMakeUnique.h"
	#include "src/core/SkRectPriv.h"
	#include "src/gpu/GrClip.h"
	#include "src/gpu/GrContextPriv.h"
	#include "src/gpu/GrMemoryPool.h"
	#include "src/gpu/GrOnFlushResourceProvider.h"
	#include "src/gpu/GrProxyProvider.h"
	#include "src/gpu/GrRecordingContextPriv.h"
	#include "src/gpu/GrRenderTargetContext.h"
	#include "src/gpu/GrRenderTargetContextPriv.h"
	#include "src/gpu/GrSurfaceProxy.h"
	#include "src/gpu/GrSurfaceProxyPriv.h"
	#include "src/gpu/GrTextureProxy.h"
	#include "src/gpu/GrTextureProxyPriv.h"
	#include "src/gpu/mock/GrMockGpu.h"

	// This test verifies that lazy proxy callbacks get invoked during flush, after onFlush callbacks,
	// but before Ops are executed. It also ensures that lazy proxy callbacks are invoked both for
	// regular Ops and for clips.
	class LazyProxyTest final : public GrOnFlushCallbackObject {
	public:
	LazyProxyTest(skiatest::Reporter* reporter)
	: fReporter(reporter)
	, fHasOpTexture(false)
	, fHasClipTexture(false) {
	}

	~LazyProxyTest() override {
	REPORTER_ASSERT(fReporter, fHasOpTexture);
	REPORTER_ASSERT(fReporter, fHasClipTexture);
	}

	void preFlush(GrOnFlushResourceProvider, const uint32_t, int,
	SkTArray<sk_sp<GrRenderTargetContext>>*) override {
	REPORTER_ASSERT(fReporter, !fHasOpTexture);
	REPORTER_ASSERT(fReporter, !fHasClipTexture);
	}

	void postFlush(GrDeferredUploadToken, const uint32_t* opListIDs, int numOpListIDs) override {
	REPORTER_ASSERT(fReporter, fHasOpTexture);
	REPORTER_ASSERT(fReporter, fHasClipTexture);
	}

	class Op final : public GrDrawOp {
	public:
	DEFINE_OP_CLASS_ID

	static std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context,
	GrProxyProvider* proxyProvider,
	LazyProxyTest* test,
	bool nullTexture) {
	GrOpMemoryPool* pool = context->priv().opMemoryPool();

	return pool->allocate<Op>(context, proxyProvider, test, nullTexture);
	}

	void visitProxies(const VisitProxyFunc& func) const override {
	func(fProxy.get(), GrMipMapped::kNo);
	}

	void onExecute(GrOpFlushState*, const SkRect& chainBounds) override {
	REPORTER_ASSERT(fTest->fReporter, fTest->fHasOpTexture);
	REPORTER_ASSERT(fTest->fReporter, fTest->fHasClipTexture);
	}

	private:
	friend class GrOpMemoryPool; // for ctor

	Op(GrRecordingContext* ctx, GrProxyProvider* proxyProvider,
	LazyProxyTest* test, bool nullTexture)
	: GrDrawOp(ClassID()), fTest(test) {
	const GrBackendFormat format =
	ctx->priv().caps()->getBackendFormatFromColorType(GrColorType::kBGR_565);
	fProxy = GrProxyProvider::MakeFullyLazyProxy(
	[this, nullTexture](
	GrResourceProvider* rp) -> GrSurfaceProxy::LazyInstantiationResult {
	REPORTER_ASSERT(fTest->fReporter, !fTest->fHasOpTexture);
	fTest->fHasOpTexture = true;
	if (nullTexture) {
	return {};
	} else {
	GrSurfaceDesc desc;
	desc.fWidth = 1234;
	desc.fHeight = 567;
	desc.fConfig = kRGB_565_GrPixelConfig;
	sk_sp<GrTexture> texture = rp->createTexture(
	desc, SkBudgeted::kYes, GrResourceProvider::Flags::kNoPendingIO);
	REPORTER_ASSERT(fTest->fReporter, texture);
	return std::move(texture);
	}
	},
	format, GrProxyProvider::Renderable::kNo, kTopLeft_GrSurfaceOrigin,
	kRGB_565_GrPixelConfig, *proxyProvider->caps());

	this->setBounds(SkRectPriv::MakeLargest(), GrOp::HasAABloat::kNo,
	GrOp::IsZeroArea::kNo);
	}

	const char* name() const override { return "LazyProxyTest::Op"; }
	FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
	GrProcessorSet::Analysis finalize(const GrCaps&, const GrAppliedClip* clip,
	bool hasMixedSampledCoverage, GrClampType) override {
	return GrProcessorSet::EmptySetAnalysis();
	}
	void onPrepare(GrOpFlushState*) override {}

	LazyProxyTest* const fTest;
	sk_sp<GrTextureProxy> fProxy;
	};

	class ClipFP : public GrFragmentProcessor {
	public:
	ClipFP(GrRecordingContext* ctx, GrProxyProvider* proxyProvider, LazyProxyTest* test,
	GrTextureProxy* atlas)
	: GrFragmentProcessor(kTestFP_ClassID, kNone_OptimizationFlags)
	, fContext(ctx)
	, fProxyProvider(proxyProvider)
	, fTest(test)
	, fAtlas(atlas) {
	const GrBackendFormat format =
	ctx->priv().caps()->getBackendFormatFromColorType(GrColorType::kAlpha_F16);
	fLazyProxy = GrProxyProvider::MakeFullyLazyProxy(
	[this](GrResourceProvider* rp) -> GrSurfaceProxy::LazyInstantiationResult {
	REPORTER_ASSERT(fTest->fReporter, !fTest->fHasClipTexture);
	fTest->fHasClipTexture = true;
	fAtlas->instantiate(rp);
	return sk_ref_sp(fAtlas->peekTexture());
	},
	format, GrProxyProvider::Renderable::kYes, kBottomLeft_GrSurfaceOrigin,
	kAlpha_half_GrPixelConfig, *proxyProvider->caps());
	fAccess.reset(fLazyProxy, GrSamplerState::Filter::kNearest,
	GrSamplerState::WrapMode::kClamp);
	this->setTextureSamplerCnt(1);
	}

	private:
	const char* name() const override { return "LazyProxyTest::ClipFP"; }
	std::unique_ptr<GrFragmentProcessor> clone() const override {
	return skstd::make_unique<ClipFP>(fContext, fProxyProvider, fTest, fAtlas);
	}
	GrGLSLFragmentProcessor* onCreateGLSLInstance() const override { return nullptr; }
	void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override {}
	bool onIsEqual(const GrFragmentProcessor&) const override { return false; }
	const TextureSampler& onTextureSampler(int) const override { return fAccess; }

	GrRecordingContext* const fContext;
	GrProxyProvider* const fProxyProvider;
	LazyProxyTest* const fTest;
	GrTextureProxy* const fAtlas;
	sk_sp<GrTextureProxy> fLazyProxy;
	TextureSampler fAccess;
	};


	class Clip : public GrClip {
	public:
	Clip(LazyProxyTest* test, GrTextureProxy* atlas)
	: fTest(test)
	, fAtlas(atlas) {}

	private:
	bool apply(GrRecordingContext* context, GrRenderTargetContext*, bool useHWAA,
	bool hasUserStencilSettings, GrAppliedClip* out, SkRect* bounds) const override {
	GrProxyProvider* proxyProvider = context->priv().proxyProvider();
	out->addCoverageFP(skstd::make_unique<ClipFP>(context, proxyProvider, fTest, fAtlas));
	return true;
	}
	bool quickContains(const SkRect&) const final { return false; }
	bool isRRect(const SkRect& rtBounds, SkRRect* rr, GrAA*) const final { return false; }
	void getConservativeBounds(int width, int height, SkIRect* rect, bool* iior) const final {
	rect->set(0, 0, width, height);
	if (iior) {
	*iior = false;
	}
	}

	LazyProxyTest* const fTest;
	GrTextureProxy* fAtlas;
	};

	private:
	skiatest::Reporter* fReporter;
	bool fHasOpTexture;
	bool fHasClipTexture;
	};

	DEF_GPUTEST(LazyProxyTest, reporter, /* options */) {
	GrMockOptions mockOptions;
	mockOptions.fConfigOptions[(int)GrColorType::kAlpha_F16].fRenderability =
	GrMockOptions::ConfigOptions::Renderability::kNonMSAA;
	mockOptions.fConfigOptions[(int)GrColorType::kAlpha_F16].fTexturable = true;
	sk_sp<GrContext> ctx = GrContext::MakeMock(&mockOptions, GrContextOptions());
	GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();
	for (bool nullTexture : {false, true}) {
	LazyProxyTest test(reporter);
	ctx->priv().addOnFlushCallbackObject(&test);
	sk_sp<GrRenderTargetContext> rtc = ctx->priv().makeDeferredRenderTargetContext(
	SkBackingFit::kExact, 100, 100, GrColorType::kRGBA_8888, nullptr);
	REPORTER_ASSERT(reporter, rtc);
	sk_sp<GrRenderTargetContext> mockAtlas = ctx->priv().makeDeferredRenderTargetContext(
	SkBackingFit::kExact, 10, 10, GrColorType::kAlpha_F16, nullptr);
	REPORTER_ASSERT(reporter, mockAtlas);
	rtc->priv().testingOnly_addDrawOp(LazyProxyTest::Clip(&test, mockAtlas->asTextureProxy()),
	LazyProxyTest::Op::Make(ctx.get(), proxyProvider, &test, nullTexture));
	ctx->priv().testingOnly_flushAndRemoveOnFlushCallbackObject(&test);
	}
	}

	static const int kSize = 16;

	DEF_GPUTEST(LazyProxyReleaseTest, reporter, /* options */) {
	GrMockOptions mockOptions;
	sk_sp<GrContext> ctx = GrContext::MakeMock(&mockOptions, GrContextOptions());
	auto proxyProvider = ctx->priv().proxyProvider();

	GrSurfaceDesc desc;
	desc.fWidth = kSize;
	desc.fHeight = kSize;
	desc.fConfig = kRGBA_8888_GrPixelConfig;

	GrBackendFormat format =
	ctx->priv().caps()->getBackendFormatFromColorType(GrColorType::kRGBA_8888);

	using LazyInstantiationType = GrSurfaceProxy::LazyInstantiationType;
	using LazyInstantiationResult = GrSurfaceProxy::LazyInstantiationResult;
	for (bool doInstantiate : {true, false}) {
	for (auto lazyType : {LazyInstantiationType::kSingleUse,
	LazyInstantiationType::kMultipleUse,
	LazyInstantiationType::kDeinstantiate}) {
	int testCount = 0;
	// Sets an integer to 1 when the callback is called and -1 when it is deleted.
	class TestCallback {
	public:
	TestCallback(int* value) : fValue(value) {}
	TestCallback(const TestCallback& that) { SkASSERT(0); }
	TestCallback(TestCallback&& that) : fValue(that.fValue) { that.fValue = nullptr; }

	~TestCallback() { fValue ? (void)(*fValue = -1) : void(); }

	TestCallback& operator=(TestCallback&& that) {
	fValue = skstd::exchange(that.fValue, nullptr);
	return *this;
	}
	TestCallback& operator=(const TestCallback& that) = delete;

	LazyInstantiationResult operator()(GrResourceProvider* resourceProvider) const {
	*fValue = 1;
	return {};
	}

	private:
	int* fValue = nullptr;
	};
	sk_sp<GrTextureProxy> proxy = proxyProvider->createLazyProxy(
	TestCallback(&testCount), format, desc, kTopLeft_GrSurfaceOrigin,
	GrMipMapped::kNo, GrInternalSurfaceFlags::kNone, SkBackingFit::kExact,
	SkBudgeted::kNo, lazyType);

	REPORTER_ASSERT(reporter, proxy.get());
	REPORTER_ASSERT(reporter, 0 == testCount);

	if (doInstantiate) {
	proxy->priv().doLazyInstantiation(ctx->priv().resourceProvider());
	if (LazyInstantiationType::kSingleUse == proxy->priv().lazyInstantiationType()) {
	// In SingleUse we will call the cleanup and delete the callback in the
	// doLazyInstantiationCall.
	REPORTER_ASSERT(reporter, -1 == testCount);
	} else {
	REPORTER_ASSERT(reporter, 1 == testCount);
	}
	proxy.reset();
	REPORTER_ASSERT(reporter, -1 == testCount);
	} else {
	proxy.reset();
	REPORTER_ASSERT(reporter, -1 == testCount);
	}
	}
	}
	}

	class LazyFailedInstantiationTestOp : public GrDrawOp {
	public:
	DEFINE_OP_CLASS_ID

	static std::unique_ptr<GrDrawOp> Make(GrContext* context,
	GrProxyProvider* proxyProvider,
	int* testExecuteValue,
	bool shouldFailInstantiation) {
	GrOpMemoryPool* pool = context->priv().opMemoryPool();

	return pool->allocate<LazyFailedInstantiationTestOp>(context, proxyProvider,
	testExecuteValue,
	shouldFailInstantiation);
	}

	void visitProxies(const VisitProxyFunc& func) const override {
	func(fLazyProxy.get(), GrMipMapped::kNo);
	}

	private:
	friend class GrOpMemoryPool; // for ctor

	LazyFailedInstantiationTestOp(GrContext* ctx, GrProxyProvider* proxyProvider,
	int* testExecuteValue, bool shouldFailInstantiation)
	: INHERITED(ClassID())
	, fTestExecuteValue(testExecuteValue) {
	GrSurfaceDesc desc;
	desc.fWidth = kSize;
	desc.fHeight = kSize;
	desc.fConfig = kRGBA_8888_GrPixelConfig;
	GrBackendFormat format =
	ctx->priv().caps()->getBackendFormatFromColorType(GrColorType::kRGBA_8888);

	fLazyProxy = proxyProvider->createLazyProxy(
	[testExecuteValue, shouldFailInstantiation,
	desc](GrResourceProvider* rp) -> GrSurfaceProxy::LazyInstantiationResult {
	if (shouldFailInstantiation) {
	*testExecuteValue = 1;
	return {};
	}
	return {rp->createTexture(desc, SkBudgeted::kNo,
	GrResourceProvider::Flags::kNoPendingIO),
	GrSurfaceProxy::LazyInstantiationKeyMode::kUnsynced};
	},
	format, desc, kTopLeft_GrSurfaceOrigin, GrMipMapped::kNo, SkBackingFit::kExact,
	SkBudgeted::kNo);

	SkASSERT(fLazyProxy.get());

	this->setBounds(SkRect::MakeIWH(kSize, kSize),
	HasAABloat::kNo, IsZeroArea::kNo);
	}

	const char* name() const override { return "LazyFailedInstantiationTestOp"; }
	FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
	GrProcessorSet::Analysis finalize(const GrCaps&, const GrAppliedClip*,
	bool hasMixedSampledCoverage, GrClampType) override {
	return GrProcessorSet::EmptySetAnalysis();
	}
	void onPrepare(GrOpFlushState*) override {}
	void onExecute(GrOpFlushState* state, const SkRect& chainBounds) override {
	*fTestExecuteValue = 2;
	}

	int* fTestExecuteValue;
	sk_sp<GrSurfaceProxy> fLazyProxy;

	typedef GrDrawOp INHERITED;
	};

	// Test that when a lazy proxy fails to instantiate during flush that we drop the Op that it was
	// associated with.
	DEF_GPUTEST(LazyProxyFailedInstantiationTest, reporter, /* options */) {
	GrMockOptions mockOptions;
	sk_sp<GrContext> ctx = GrContext::MakeMock(&mockOptions, GrContextOptions());
	GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();
	for (bool failInstantiation : {false, true}) {
	sk_sp<GrRenderTargetContext> rtc = ctx->priv().makeDeferredRenderTargetContext(
	SkBackingFit::kExact, 100, 100, GrColorType::kRGBA_8888, nullptr);
	REPORTER_ASSERT(reporter, rtc);

	rtc->clear(nullptr, SkPMColor4f::FromBytes_RGBA(0xbaaaaaad),
	GrRenderTargetContext::CanClearFullscreen::kYes);

	int executeTestValue = 0;
	rtc->priv().testingOnly_addDrawOp(LazyFailedInstantiationTestOp::Make(
	ctx.get(), proxyProvider, &executeTestValue, failInstantiation));
	ctx->flush();

	if (failInstantiation) {
	REPORTER_ASSERT(reporter, 1 == executeTestValue);
	} else {
	REPORTER_ASSERT(reporter, 2 == executeTestValue);
	}
	}
	}

	class LazyDeinstantiateTestOp : public GrDrawOp {
	public:
	DEFINE_OP_CLASS_ID

	static std::unique_ptr<GrDrawOp> Make(GrContext* context, sk_sp<GrTextureProxy> proxy) {
	GrOpMemoryPool* pool = context->priv().opMemoryPool();

	return pool->allocate<LazyDeinstantiateTestOp>(std::move(proxy));
	}

	void visitProxies(const VisitProxyFunc& func) const override {
	func(fLazyProxy.get(), GrMipMapped::kNo);
	}

	private:
	friend class GrOpMemoryPool; // for ctor

	LazyDeinstantiateTestOp(sk_sp<GrTextureProxy> proxy)
	: INHERITED(ClassID()), fLazyProxy(std::move(proxy)) {
	this->setBounds(SkRect::MakeIWH(kSize, kSize), HasAABloat::kNo, IsZeroArea::kNo);
	}

	const char* name() const override { return "LazyDeinstantiateTestOp"; }
	FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
	GrProcessorSet::Analysis finalize(const GrCaps&, const GrAppliedClip*,
	bool hasMixedSampledCoverage, GrClampType) override {
	return GrProcessorSet::EmptySetAnalysis();
	}
	void onPrepare(GrOpFlushState*) override {}
	void onExecute(GrOpFlushState* state, const SkRect& chainBounds) override {}

	sk_sp<GrSurfaceProxy> fLazyProxy;

	typedef GrDrawOp INHERITED;
	};

	static void DeinstantiateReleaseProc(void* releaseValue) { (static_cast<int>(releaseValue))++; }

	// Test that lazy proxies with the Deinstantiate LazyCallbackType are deinstantiated and released as
	// expected.
	DEF_GPUTEST(LazyProxyDeinstantiateTest, reporter, /* options */) {
	GrMockOptions mockOptions;
	sk_sp<GrContext> ctx = GrContext::MakeMock(&mockOptions, GrContextOptions());
	GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();

	GrBackendFormat format =
	ctx->priv().caps()->getBackendFormatFromColorType(GrColorType::kRGBA_8888);

	using LazyType = GrSurfaceProxy::LazyInstantiationType;
	for (auto lazyType : {LazyType::kSingleUse, LazyType::kMultipleUse, LazyType::kDeinstantiate}) {
	sk_sp<GrRenderTargetContext> rtc = ctx->priv().makeDeferredRenderTargetContext(
	SkBackingFit::kExact, 100, 100, GrColorType::kRGBA_8888, nullptr);
	REPORTER_ASSERT(reporter, rtc);

	rtc->clear(nullptr, SkPMColor4f::FromBytes_RGBA(0xbaaaaaad),
	GrRenderTargetContext::CanClearFullscreen::kYes);

	int instantiateTestValue = 0;
	int releaseTestValue = 0;
	int* instantiatePtr = &instantiateTestValue;
	int* releasePtr = &releaseTestValue;
	GrSurfaceDesc desc;
	desc.fWidth = kSize;
	desc.fHeight = kSize;
	desc.fConfig = kRGBA_8888_GrPixelConfig;

	GrBackendTexture backendTex = ctx->createBackendTexture(
	kSize, kSize, kRGBA_8888_SkColorType, SkColors::kTransparent,
	GrMipMapped::kNo, GrRenderable::kNo, GrProtected::kNo);

	sk_sp<GrTextureProxy> lazyProxy = proxyProvider->createLazyProxy(
	[instantiatePtr, releasePtr,
	backendTex](GrResourceProvider* rp) -> GrSurfaceProxy::LazyInstantiationResult {
	sk_sp<GrTexture> texture =
	rp->wrapBackendTexture(backendTex, kBorrow_GrWrapOwnership,
	GrWrapCacheable::kNo, kRead_GrIOType);
	if (!texture) {
	return {};
	}
	(*instantiatePtr)++;
	texture->setRelease(DeinstantiateReleaseProc, releasePtr);
	return std::move(texture);
	},
	format, desc, kTopLeft_GrSurfaceOrigin, GrMipMapped::kNo,
	GrInternalSurfaceFlags::kReadOnly, SkBackingFit::kExact, SkBudgeted::kNo, lazyType);

	REPORTER_ASSERT(reporter, lazyProxy.get());

	rtc->priv().testingOnly_addDrawOp(LazyDeinstantiateTestOp::Make(ctx.get(), lazyProxy));

	ctx->flush();

	REPORTER_ASSERT(reporter, 1 == instantiateTestValue);
	if (LazyType::kDeinstantiate == lazyType) {
	REPORTER_ASSERT(reporter, 1 == releaseTestValue);
	} else {
	REPORTER_ASSERT(reporter, 0 == releaseTestValue);
	}

	// This should cause the uninstantiate proxies to be instantiated again but have no effect
	// on the others
	rtc->priv().testingOnly_addDrawOp(LazyDeinstantiateTestOp::Make(ctx.get(), lazyProxy));
	// Add a second op to make sure we only instantiate once.
	rtc->priv().testingOnly_addDrawOp(LazyDeinstantiateTestOp::Make(ctx.get(), lazyProxy));
	ctx->flush();

	if (LazyType::kDeinstantiate == lazyType) {
	REPORTER_ASSERT(reporter, 2 == instantiateTestValue);
	REPORTER_ASSERT(reporter, 2 == releaseTestValue);
	} else {
	REPORTER_ASSERT(reporter, 1 == instantiateTestValue);
	REPORTER_ASSERT(reporter, 0 == releaseTestValue);
	}

	lazyProxy.reset();
	if (LazyType::kDeinstantiate == lazyType) {
	REPORTER_ASSERT(reporter, 2 == releaseTestValue);
	} else {
	REPORTER_ASSERT(reporter, 1 == releaseTestValue);
	}

	ctx->deleteBackendTexture(backendTex);
	}
	}