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/mock/GrMockTypes.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/GrTexture.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) override {
         REPORTER_ASSERT(fReporter, !fHasOpTexture);
         REPORTER_ASSERT(fReporter, !fHasClipTexture);
     }

     void postFlush(GrDeferredUploadToken, const uint32_t* opsTaskIDs, int numOpsTaskIDs) 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()->getDefaultBackendFormat(GrColorType::kBGR_565,
                                                             GrRenderable::kNo);
             fProxy = GrProxyProvider::MakeFullyLazyProxy(
                     [this, nullTexture](GrResourceProvider* rp,
                                         const GrSurfaceProxy::LazySurfaceDesc& desc)
                             -> GrSurfaceProxy::LazyCallbackResult {
                         REPORTER_ASSERT(fTest->fReporter, !fTest->fHasOpTexture);
                         fTest->fHasOpTexture = true;
                         if (nullTexture) {
                             return {};
                         } else {
                             static constexpr SkISize kDimensions = {1234, 567};
                             sk_sp<GrTexture> texture = rp->createTexture(
                                     kDimensions, desc.fFormat, desc.fRenderable, desc.fSampleCnt,
                                     desc.fMipmapped, desc.fBudgeted, desc.fProtected);
                             REPORTER_ASSERT(fTest->fReporter, texture);
                             return texture;
                         }
                     },
                     format, GrRenderable::kNo, 1, GrProtected::kNo, *proxyProvider->caps(),
                     GrSurfaceProxy::UseAllocator::kYes);

             this->setBounds(SkRectPriv::MakeLargest(), GrOp::HasAABloat::kNo,
                             GrOp::IsHairline::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 onPrePrepare(GrRecordingContext*,
                           const GrSurfaceProxyView* writeView,
                           GrAppliedClip*,
                           const GrXferProcessor::DstProxyView&) override {}

         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) {
             static const GrColorType kColorType = GrColorType::kAlpha_F16;
             static const GrSurfaceOrigin kOrigin = kBottomLeft_GrSurfaceOrigin;
             const GrBackendFormat format =
                 ctx->priv().caps()->getDefaultBackendFormat(kColorType, GrRenderable::kYes);
             GrSwizzle readSwizzle = ctx->priv().caps()->getReadSwizzle(format, kColorType);
             fLazyProxy = GrProxyProvider::MakeFullyLazyProxy(
                     [this](GrResourceProvider* rp, const GrSurfaceProxy::LazySurfaceDesc&)
                             -> GrSurfaceProxy::LazyCallbackResult {
                         REPORTER_ASSERT(fTest->fReporter, !fTest->fHasClipTexture);
                         fTest->fHasClipTexture = true;
                         fAtlas->instantiate(rp);
                         return sk_ref_sp(fAtlas->peekTexture());
                     },
                     format, GrRenderable::kYes, 1, GrProtected::kNo, *proxyProvider->caps(),
                     GrSurfaceProxy::UseAllocator::kYes);
             auto atlasEffect = GrTextureEffect::Make({fLazyProxy, kOrigin, readSwizzle},
                                                      kPremul_SkAlphaType);
             this->registerChild(std::move(atlasEffect));
         }

     private:
         const char* name() const override { return "LazyProxyTest::ClipFP"; }
         std::unique_ptr<GrFragmentProcessor> clone() const override {
             return std::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; }

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


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

     private:
         SkIRect getConservativeBounds() const final {
             return SkIRect::MakeSize(fAtlas->dimensions());
         }
         Effect apply(GrRecordingContext* context, GrRenderTargetContext*, GrAAType,
                          bool hasUserStencilSettings, GrAppliedClip* out,
                          SkRect* bounds) const override {
             GrProxyProvider* proxyProvider = context->priv().proxyProvider();
             out->addCoverageFP(std::make_unique<ClipFP>(context, proxyProvider, fTest, fAtlas));
             return Effect::kClipped;
         }

         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<GrDirectContext> ctx = GrDirectContext::MakeMock(&mockOptions, GrContextOptions());
     GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();
     for (bool nullTexture : {false, true}) {
         LazyProxyTest test(reporter);
         ctx->priv().addOnFlushCallbackObject(&test);
         auto rtc = GrRenderTargetContext::Make(
                 ctx.get(), GrColorType::kRGBA_8888, nullptr, SkBackingFit::kExact, {100, 100});
         REPORTER_ASSERT(reporter, rtc);
         auto mockAtlas = GrRenderTargetContext::Make(
                 ctx.get(), GrColorType::kAlpha_F16, nullptr, SkBackingFit::kExact, {10, 10});
         REPORTER_ASSERT(reporter, mockAtlas);
         LazyProxyTest::Clip clip(&test, mockAtlas->asTextureProxy());
         rtc->priv().testingOnly_addDrawOp(
                 &clip, 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<GrDirectContext> ctx = GrDirectContext::MakeMock(&mockOptions, GrContextOptions());
     auto proxyProvider = ctx->priv().proxyProvider();
     const GrCaps* caps = ctx->priv().caps();

     GrBackendFormat format = caps->getDefaultBackendFormat(GrColorType::kRGBA_8888,
                                                            GrRenderable::kNo);

     auto tex = ctx->priv().resourceProvider()->createTexture({kSize, kSize}, format,
                                                              GrRenderable::kNo, 1, GrMipmapped::kNo,
                                                              SkBudgeted::kNo, GrProtected::kNo);
     using LazyInstantiationResult = GrSurfaceProxy::LazyCallbackResult;
     for (bool doInstantiate : {true, false}) {
         for (bool releaseCallback : {false, true}) {
             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, bool releaseCallback, sk_sp<GrTexture> tex)
                         : fValue(value)
                         , fReleaseCallback(releaseCallback)
                         , fTexture(std::move(tex)) {}
                 TestCallback(const TestCallback& that) { SkASSERT(0); }
                 TestCallback(TestCallback&& that)
                         : fValue(that.fValue)
                         , fReleaseCallback(that.fReleaseCallback)
                         , fTexture(std::move(that.fTexture)) {
                     that.fValue = nullptr;
                 }

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

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

                 LazyInstantiationResult operator()(GrResourceProvider*,
                                                    const GrSurfaceProxy::LazySurfaceDesc&) const {
                     *fValue = 1;
                     return {fTexture, fReleaseCallback};
                 }

             private:
                 int* fValue = nullptr;
                 bool fReleaseCallback;
                 sk_sp<GrTexture> fTexture;
             };
             sk_sp<GrTextureProxy> proxy = proxyProvider->createLazyProxy(
                     TestCallback(&testCount, releaseCallback, tex), format, {kSize, kSize},
                     GrRenderable::kNo, 1, GrMipmapped::kNo, GrMipmapStatus::kNotAllocated,
                     GrInternalSurfaceFlags::kNone, SkBackingFit::kExact, SkBudgeted::kNo,
                     GrProtected::kNo, GrSurfaceProxy::UseAllocator::kYes);

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

             if (doInstantiate) {
                 proxy->priv().doLazyInstantiation(ctx->priv().resourceProvider());
                 if (releaseCallback) {
                     // 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(GrRecordingContext* rContext,
                                           GrProxyProvider* proxyProvider,
                                           int* testExecuteValue,
                                           bool shouldFailInstantiation) {
         GrOpMemoryPool* pool = rContext->priv().opMemoryPool();

         return pool->allocate<LazyFailedInstantiationTestOp>(rContext->priv().caps(),
                                                              proxyProvider,
                                                              testExecuteValue,
                                                              shouldFailInstantiation);
     }

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

 private:
     friend class GrOpMemoryPool; // for ctor

     LazyFailedInstantiationTestOp(const GrCaps* caps, GrProxyProvider* proxyProvider,
                                   int* testExecuteValue, bool shouldFailInstantiation)
             : INHERITED(ClassID())
             , fTestExecuteValue(testExecuteValue) {
         SkISize dims = {kSize, kSize};
         GrBackendFormat format = caps->getDefaultBackendFormat(GrColorType::kRGBA_8888,
                                                                GrRenderable::kNo);

         fLazyProxy = proxyProvider->createLazyProxy(
                 [testExecuteValue, shouldFailInstantiation](
                         GrResourceProvider* rp, const GrSurfaceProxy::LazySurfaceDesc& desc)
                         -> GrSurfaceProxy::LazyCallbackResult {
                     if (shouldFailInstantiation) {
                         *testExecuteValue = 1;
                         return {};
                     }
                     return {rp->createTexture(desc.fDimensions, desc.fFormat, desc.fRenderable,
                                               desc.fSampleCnt, desc.fMipmapped, desc.fBudgeted,
                                               desc.fProtected),
                             true, GrSurfaceProxy::LazyInstantiationKeyMode::kUnsynced};
                 },
                 format, dims, GrRenderable::kNo, 1, GrMipmapped::kNo,
                 GrMipmapStatus::kNotAllocated, GrInternalSurfaceFlags::kNone, SkBackingFit::kExact,
                 SkBudgeted::kNo, GrProtected::kNo, GrSurfaceProxy::UseAllocator::kYes);

         SkASSERT(fLazyProxy.get());

         this->setBounds(SkRect::Make(dims), HasAABloat::kNo, IsHairline::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 onPrePrepare(GrRecordingContext*,
                       const GrSurfaceProxyView* writeView,
                       GrAppliedClip*,
                       const GrXferProcessor::DstProxyView&) override {}
     void onPrepare(GrOpFlushState*) override {}
     void onExecute(GrOpFlushState* state, const SkRect& chainBounds) override {
         *fTestExecuteValue = 2;
     }

     int* fTestExecuteValue;
     sk_sp<GrTextureProxy> 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<GrDirectContext> ctx = GrDirectContext::MakeMock(&mockOptions, GrContextOptions());
     GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();
     for (bool failInstantiation : {false, true}) {
         auto rtc = GrRenderTargetContext::Make(
                 ctx.get(), GrColorType::kRGBA_8888, nullptr, SkBackingFit::kExact, {100, 100});
         REPORTER_ASSERT(reporter, rtc);

         rtc->clear(SkPMColor4f::FromBytes_RGBA(0xbaaaaaad));

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

         if (failInstantiation) {
             REPORTER_ASSERT(reporter, 1 == executeTestValue);
         } else {
             REPORTER_ASSERT(reporter, 2 == executeTestValue);
         }
     }
 }
	/*
	* 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/mock/GrMockTypes.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/GrTexture.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) override {
	REPORTER_ASSERT(fReporter, !fHasOpTexture);
	REPORTER_ASSERT(fReporter, !fHasClipTexture);
	}

	void postFlush(GrDeferredUploadToken, const uint32_t* opsTaskIDs, int numOpsTaskIDs) 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()->getDefaultBackendFormat(GrColorType::kBGR_565,
	GrRenderable::kNo);
	fProxy = GrProxyProvider::MakeFullyLazyProxy(
	[this, nullTexture](GrResourceProvider* rp,
	const GrSurfaceProxy::LazySurfaceDesc& desc)
	-> GrSurfaceProxy::LazyCallbackResult {
	REPORTER_ASSERT(fTest->fReporter, !fTest->fHasOpTexture);
	fTest->fHasOpTexture = true;
	if (nullTexture) {
	return {};
	} else {
	static constexpr SkISize kDimensions = {1234, 567};
	sk_sp<GrTexture> texture = rp->createTexture(
	kDimensions, desc.fFormat, desc.fRenderable, desc.fSampleCnt,
	desc.fMipmapped, desc.fBudgeted, desc.fProtected);
	REPORTER_ASSERT(fTest->fReporter, texture);
	return texture;
	}
	},
	format, GrRenderable::kNo, 1, GrProtected::kNo, *proxyProvider->caps(),
	GrSurfaceProxy::UseAllocator::kYes);

	this->setBounds(SkRectPriv::MakeLargest(), GrOp::HasAABloat::kNo,
	GrOp::IsHairline::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 onPrePrepare(GrRecordingContext*,
	const GrSurfaceProxyView* writeView,
	GrAppliedClip*,
	const GrXferProcessor::DstProxyView&) override {}

	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) {
	static const GrColorType kColorType = GrColorType::kAlpha_F16;
	static const GrSurfaceOrigin kOrigin = kBottomLeft_GrSurfaceOrigin;
	const GrBackendFormat format =
	ctx->priv().caps()->getDefaultBackendFormat(kColorType, GrRenderable::kYes);
	GrSwizzle readSwizzle = ctx->priv().caps()->getReadSwizzle(format, kColorType);
	fLazyProxy = GrProxyProvider::MakeFullyLazyProxy(
	[this](GrResourceProvider* rp, const GrSurfaceProxy::LazySurfaceDesc&)
	-> GrSurfaceProxy::LazyCallbackResult {
	REPORTER_ASSERT(fTest->fReporter, !fTest->fHasClipTexture);
	fTest->fHasClipTexture = true;
	fAtlas->instantiate(rp);
	return sk_ref_sp(fAtlas->peekTexture());
	},
	format, GrRenderable::kYes, 1, GrProtected::kNo, *proxyProvider->caps(),
	GrSurfaceProxy::UseAllocator::kYes);
	auto atlasEffect = GrTextureEffect::Make({fLazyProxy, kOrigin, readSwizzle},
	kPremul_SkAlphaType);
	this->registerChild(std::move(atlasEffect));
	}

	private:
	const char* name() const override { return "LazyProxyTest::ClipFP"; }
	std::unique_ptr<GrFragmentProcessor> clone() const override {
	return std::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; }

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


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

	private:
	SkIRect getConservativeBounds() const final {
	return SkIRect::MakeSize(fAtlas->dimensions());
	}
	Effect apply(GrRecordingContext* context, GrRenderTargetContext*, GrAAType,
	bool hasUserStencilSettings, GrAppliedClip* out,
	SkRect* bounds) const override {
	GrProxyProvider* proxyProvider = context->priv().proxyProvider();
	out->addCoverageFP(std::make_unique<ClipFP>(context, proxyProvider, fTest, fAtlas));
	return Effect::kClipped;
	}

	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<GrDirectContext> ctx = GrDirectContext::MakeMock(&mockOptions, GrContextOptions());
	GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();
	for (bool nullTexture : {false, true}) {
	LazyProxyTest test(reporter);
	ctx->priv().addOnFlushCallbackObject(&test);
	auto rtc = GrRenderTargetContext::Make(
	ctx.get(), GrColorType::kRGBA_8888, nullptr, SkBackingFit::kExact, {100, 100});
	REPORTER_ASSERT(reporter, rtc);
	auto mockAtlas = GrRenderTargetContext::Make(
	ctx.get(), GrColorType::kAlpha_F16, nullptr, SkBackingFit::kExact, {10, 10});
	REPORTER_ASSERT(reporter, mockAtlas);
	LazyProxyTest::Clip clip(&test, mockAtlas->asTextureProxy());
	rtc->priv().testingOnly_addDrawOp(
	&clip, 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<GrDirectContext> ctx = GrDirectContext::MakeMock(&mockOptions, GrContextOptions());
	auto proxyProvider = ctx->priv().proxyProvider();
	const GrCaps* caps = ctx->priv().caps();

	GrBackendFormat format = caps->getDefaultBackendFormat(GrColorType::kRGBA_8888,
	GrRenderable::kNo);

	auto tex = ctx->priv().resourceProvider()->createTexture({kSize, kSize}, format,
	GrRenderable::kNo, 1, GrMipmapped::kNo,
	SkBudgeted::kNo, GrProtected::kNo);
	using LazyInstantiationResult = GrSurfaceProxy::LazyCallbackResult;
	for (bool doInstantiate : {true, false}) {
	for (bool releaseCallback : {false, true}) {
	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, bool releaseCallback, sk_sp<GrTexture> tex)
	: fValue(value)
	, fReleaseCallback(releaseCallback)
	, fTexture(std::move(tex)) {}
	TestCallback(const TestCallback& that) { SkASSERT(0); }
	TestCallback(TestCallback&& that)
	: fValue(that.fValue)
	, fReleaseCallback(that.fReleaseCallback)
	, fTexture(std::move(that.fTexture)) {
	that.fValue = nullptr;
	}

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

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

	LazyInstantiationResult operator()(GrResourceProvider*,
	const GrSurfaceProxy::LazySurfaceDesc&) const {
	*fValue = 1;
	return {fTexture, fReleaseCallback};
	}

	private:
	int* fValue = nullptr;
	bool fReleaseCallback;
	sk_sp<GrTexture> fTexture;
	};
	sk_sp<GrTextureProxy> proxy = proxyProvider->createLazyProxy(
	TestCallback(&testCount, releaseCallback, tex), format, {kSize, kSize},
	GrRenderable::kNo, 1, GrMipmapped::kNo, GrMipmapStatus::kNotAllocated,
	GrInternalSurfaceFlags::kNone, SkBackingFit::kExact, SkBudgeted::kNo,
	GrProtected::kNo, GrSurfaceProxy::UseAllocator::kYes);

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

	if (doInstantiate) {
	proxy->priv().doLazyInstantiation(ctx->priv().resourceProvider());
	if (releaseCallback) {
	// 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(GrRecordingContext* rContext,
	GrProxyProvider* proxyProvider,
	int* testExecuteValue,
	bool shouldFailInstantiation) {
	GrOpMemoryPool* pool = rContext->priv().opMemoryPool();

	return pool->allocate<LazyFailedInstantiationTestOp>(rContext->priv().caps(),
	proxyProvider,
	testExecuteValue,
	shouldFailInstantiation);
	}

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

	private:
	friend class GrOpMemoryPool; // for ctor

	LazyFailedInstantiationTestOp(const GrCaps* caps, GrProxyProvider* proxyProvider,
	int* testExecuteValue, bool shouldFailInstantiation)
	: INHERITED(ClassID())
	, fTestExecuteValue(testExecuteValue) {
	SkISize dims = {kSize, kSize};
	GrBackendFormat format = caps->getDefaultBackendFormat(GrColorType::kRGBA_8888,
	GrRenderable::kNo);

	fLazyProxy = proxyProvider->createLazyProxy(
	[testExecuteValue, shouldFailInstantiation](
	GrResourceProvider* rp, const GrSurfaceProxy::LazySurfaceDesc& desc)
	-> GrSurfaceProxy::LazyCallbackResult {
	if (shouldFailInstantiation) {
	*testExecuteValue = 1;
	return {};
	}
	return {rp->createTexture(desc.fDimensions, desc.fFormat, desc.fRenderable,
	desc.fSampleCnt, desc.fMipmapped, desc.fBudgeted,
	desc.fProtected),
	true, GrSurfaceProxy::LazyInstantiationKeyMode::kUnsynced};
	},
	format, dims, GrRenderable::kNo, 1, GrMipmapped::kNo,
	GrMipmapStatus::kNotAllocated, GrInternalSurfaceFlags::kNone, SkBackingFit::kExact,
	SkBudgeted::kNo, GrProtected::kNo, GrSurfaceProxy::UseAllocator::kYes);

	SkASSERT(fLazyProxy.get());

	this->setBounds(SkRect::Make(dims), HasAABloat::kNo, IsHairline::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 onPrePrepare(GrRecordingContext*,
	const GrSurfaceProxyView* writeView,
	GrAppliedClip*,
	const GrXferProcessor::DstProxyView&) override {}
	void onPrepare(GrOpFlushState*) override {}
	void onExecute(GrOpFlushState* state, const SkRect& chainBounds) override {
	*fTestExecuteValue = 2;
	}

	int* fTestExecuteValue;
	sk_sp<GrTextureProxy> 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<GrDirectContext> ctx = GrDirectContext::MakeMock(&mockOptions, GrContextOptions());
	GrProxyProvider* proxyProvider = ctx->priv().proxyProvider();
	for (bool failInstantiation : {false, true}) {
	auto rtc = GrRenderTargetContext::Make(
	ctx.get(), GrColorType::kRGBA_8888, nullptr, SkBackingFit::kExact, {100, 100});
	REPORTER_ASSERT(reporter, rtc);

	rtc->clear(SkPMColor4f::FromBytes_RGBA(0xbaaaaaad));

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

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