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 "Test.h"

 #if SK_SUPPORT_GPU

 #include "GrClip.h"
 #include "GrContextPriv.h"
 #include "GrProxyProvider.h"
 #include "GrOnFlushResourceProvider.h"
 #include "GrRenderTargetContext.h"
 #include "GrRenderTargetContextPriv.h"
 #include "GrSurfaceProxy.h"
 #include "GrSurfaceProxyPriv.h"
 #include "GrTexture.h"
 #include "GrTextureProxy.h"
 #include "GrTextureProxyPriv.h"
 #include "SkMakeUnique.h"
 #include "SkRectPriv.h"
 #include "mock/GrMockTypes.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

         Op(GrProxyProvider* proxyProvider, LazyProxyTest* test, bool nullTexture)
                     : GrDrawOp(ClassID()), fTest(test) {
             fProxy = proxyProvider->createFullyLazyProxy([this, nullTexture](
                                         GrResourceProvider* rp, GrSurfaceOrigin* origin) {
                 REPORTER_ASSERT(fTest->fReporter, !fTest->fHasOpTexture);
                 fTest->fHasOpTexture = true;
                 *origin = kTopLeft_GrSurfaceOrigin;
                 if (nullTexture) {
                     return sk_sp<GrTexture>();
                 } else {
                     GrSurfaceDesc desc;
                     desc.fWidth = 1234;
                     desc.fHeight = 567;
                     desc.fOrigin = kTopLeft_GrSurfaceOrigin;
                     desc.fConfig = kRGB_565_GrPixelConfig;
                     sk_sp<GrTexture> texture = rp->createTexture(desc, SkBudgeted::kYes);
                     REPORTER_ASSERT(fTest->fReporter, texture);
                     return texture;
                 }
             }, GrProxyProvider::Renderable::kNo, kRGB_565_GrPixelConfig);
             this->setBounds(SkRectPriv::MakeLargest(), GrOp::HasAABloat::kNo, GrOp::IsZeroArea::kNo);
         }

         void visitProxies(const VisitProxyFunc& func) const override {
             func(fProxy.get());
         }

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

     private:
         const char* name() const override { return "LazyProxyTest::Op"; }
         FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
         RequiresDstTexture finalize(const GrCaps&, const GrAppliedClip*,
                                     GrPixelConfigIsClamped) override {
             return RequiresDstTexture::kNo;
         }
         void wasRecorded(GrRenderTargetOpList*) override {}
         bool onCombineIfPossible(GrOp* other, const GrCaps& caps) override { return false; }
         void onPrepare(GrOpFlushState*) override {}

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

     class ClipFP : public GrFragmentProcessor {
     public:
         ClipFP(GrProxyProvider* proxyProvider, LazyProxyTest* test, GrTextureProxy* atlas)
                 : GrFragmentProcessor(kTestFP_ClassID, kNone_OptimizationFlags)
                 , fProxyProvider(proxyProvider)
                 , fTest(test)
                 , fAtlas(atlas) {
             fLazyProxy = proxyProvider->createFullyLazyProxy([this](GrResourceProvider* rp,
                                                                     GrSurfaceOrigin* origin) {
                 REPORTER_ASSERT(fTest->fReporter, !fTest->fHasClipTexture);
                 fTest->fHasClipTexture = true;
                 *origin = kBottomLeft_GrSurfaceOrigin;
                 fAtlas->instantiate(rp);
                 return sk_ref_sp(fAtlas->priv().peekTexture());
             }, GrProxyProvider::Renderable::kYes, kAlpha_half_GrPixelConfig);
             fAccess.reset(fLazyProxy, GrSamplerState::Filter::kNearest,
                           GrSamplerState::WrapMode::kClamp, kFragment_GrShaderFlag);
             this->addTextureSampler(&fAccess);
         }

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

         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(GrContext* context, GrRenderTargetContext*, bool, bool, GrAppliedClip* out,
                    SkRect* bounds) const override {
             GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
             out->addCoverageFP(skstd::make_unique<ClipFP>(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[kAlpha_half_GrPixelConfig].fRenderable[0] = true;
     mockOptions.fConfigOptions[kAlpha_half_GrPixelConfig].fTexturable = true;
     sk_sp<GrContext> ctx = GrContext::MakeMock(&mockOptions, GrContextOptions());
     GrProxyProvider* proxyProvider = ctx->contextPriv().proxyProvider();
     for (bool nullTexture : {false, true}) {
         LazyProxyTest test(reporter);
         ctx->contextPriv().addOnFlushCallbackObject(&test);
         sk_sp<GrRenderTargetContext> rtc =
                 ctx->makeDeferredRenderTargetContext(SkBackingFit::kExact, 100, 100,
                                                      kRGBA_8888_GrPixelConfig, nullptr);
         REPORTER_ASSERT(reporter, rtc);
         sk_sp<GrRenderTargetContext> mockAtlas =
                 ctx->makeDeferredRenderTargetContext(SkBackingFit::kExact, 10, 10,
                                                      kAlpha_half_GrPixelConfig, nullptr);
         REPORTER_ASSERT(reporter, mockAtlas);
         rtc->priv().testingOnly_addDrawOp(LazyProxyTest::Clip(&test, mockAtlas->asTextureProxy()),
                         skstd::make_unique<LazyProxyTest::Op>(proxyProvider, &test, nullTexture));
         ctx->contextPriv().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->contextPriv().proxyProvider();

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

     for (bool doInstantiate : {true, false}) {
         int testCount = 0;
         int* testCountPtr = &testCount;
         sk_sp<GrTextureProxy> proxy = proxyProvider->createLazyProxy(
                 [testCountPtr](GrResourceProvider* resourceProvider, GrSurfaceOrigin* outOrigin) {
                     if (!resourceProvider) {
                         *testCountPtr = -1;
                         return sk_sp<GrTexture>();
                     }
                     *testCountPtr = 1;
                     return sk_sp<GrTexture>();
                 }, desc, GrMipMapped::kNo, SkBackingFit::kExact, SkBudgeted::kNo);

         REPORTER_ASSERT(reporter, 0 == testCount);

         if (doInstantiate) {
             proxy->priv().doLazyInstantiation(ctx->contextPriv().resourceProvider());
             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

     LazyFailedInstantiationTestOp(GrProxyProvider* proxyProvider, int* testExecuteValue,
                                   bool shouldFailInstantiation)
             : INHERITED(ClassID())
             , fTestExecuteValue(testExecuteValue) {
         GrSurfaceDesc desc;
         desc.fWidth = kSize;
         desc.fHeight = kSize;
         desc.fConfig = kRGBA_8888_GrPixelConfig;

         fLazyProxy = proxyProvider->createLazyProxy(
                 [testExecuteValue, shouldFailInstantiation, desc] (
                         GrResourceProvider* rp, GrSurfaceOrigin* /*origin*/) {
                     *testExecuteValue = 1;
                     if (shouldFailInstantiation || !rp) {
                         return sk_sp<GrTexture>();
                     }
                     return rp->createTexture(desc, SkBudgeted::kNo);
                 }, desc, GrMipMapped::kNo, SkBackingFit::kExact, SkBudgeted::kNo);

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

     void visitProxies(const VisitProxyFunc& func) const override {
         func(fLazyProxy.get());
     }

 private:
     const char* name() const override { return "LazyFailedInstantiationTestOp"; }
     FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
     RequiresDstTexture finalize(const GrCaps&, const GrAppliedClip*,
                                 GrPixelConfigIsClamped) override {
         return RequiresDstTexture::kNo;
     }
     bool onCombineIfPossible(GrOp* other, const GrCaps& caps) override { return false; }
     void onPrepare(GrOpFlushState*) override {}
     void onExecute(GrOpFlushState* state) 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->contextPriv().proxyProvider();
     for (bool failInstantiation : {false, true}) {
         sk_sp<GrRenderTargetContext> rtc =
                 ctx->makeDeferredRenderTargetContext(SkBackingFit::kExact, 100, 100,
                                                      kRGBA_8888_GrPixelConfig, nullptr);
         REPORTER_ASSERT(reporter, rtc);

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

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

         if (failInstantiation) {
 #ifdef SK_DISABLE_EXPLICIT_GPU_RESOURCE_ALLOCATION
             // When we disable explicit gpu resource allocation we don't throw away ops that have
             // uninstantiated proxies.
             REPORTER_ASSERT(reporter, 2 == executeTestValue);
 #else
             REPORTER_ASSERT(reporter, 1 == executeTestValue);
 #endif
         } else {
             REPORTER_ASSERT(reporter, 2 == executeTestValue);
         }
     }

 }

 #endif
	/*
	* 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 "Test.h"

	#if SK_SUPPORT_GPU

	#include "GrClip.h"
	#include "GrContextPriv.h"
	#include "GrProxyProvider.h"
	#include "GrOnFlushResourceProvider.h"
	#include "GrRenderTargetContext.h"
	#include "GrRenderTargetContextPriv.h"
	#include "GrSurfaceProxy.h"
	#include "GrSurfaceProxyPriv.h"
	#include "GrTexture.h"
	#include "GrTextureProxy.h"
	#include "GrTextureProxyPriv.h"
	#include "SkMakeUnique.h"
	#include "SkRectPriv.h"
	#include "mock/GrMockTypes.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

	Op(GrProxyProvider* proxyProvider, LazyProxyTest* test, bool nullTexture)
	: GrDrawOp(ClassID()), fTest(test) {
	fProxy = proxyProvider->createFullyLazyProxy([this, nullTexture](
	GrResourceProvider* rp, GrSurfaceOrigin* origin) {
	REPORTER_ASSERT(fTest->fReporter, !fTest->fHasOpTexture);
	fTest->fHasOpTexture = true;
	*origin = kTopLeft_GrSurfaceOrigin;
	if (nullTexture) {
	return sk_sp<GrTexture>();
	} else {
	GrSurfaceDesc desc;
	desc.fWidth = 1234;
	desc.fHeight = 567;
	desc.fOrigin = kTopLeft_GrSurfaceOrigin;
	desc.fConfig = kRGB_565_GrPixelConfig;
	sk_sp<GrTexture> texture = rp->createTexture(desc, SkBudgeted::kYes);
	REPORTER_ASSERT(fTest->fReporter, texture);
	return texture;
	}
	}, GrProxyProvider::Renderable::kNo, kRGB_565_GrPixelConfig);
	this->setBounds(SkRectPriv::MakeLargest(), GrOp::HasAABloat::kNo, GrOp::IsZeroArea::kNo);
	}

	void visitProxies(const VisitProxyFunc& func) const override {
	func(fProxy.get());
	}

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

	private:
	const char* name() const override { return "LazyProxyTest::Op"; }
	FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
	RequiresDstTexture finalize(const GrCaps&, const GrAppliedClip*,
	GrPixelConfigIsClamped) override {
	return RequiresDstTexture::kNo;
	}
	void wasRecorded(GrRenderTargetOpList*) override {}
	bool onCombineIfPossible(GrOp* other, const GrCaps& caps) override { return false; }
	void onPrepare(GrOpFlushState*) override {}

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

	class ClipFP : public GrFragmentProcessor {
	public:
	ClipFP(GrProxyProvider* proxyProvider, LazyProxyTest* test, GrTextureProxy* atlas)
	: GrFragmentProcessor(kTestFP_ClassID, kNone_OptimizationFlags)
	, fProxyProvider(proxyProvider)
	, fTest(test)
	, fAtlas(atlas) {
	fLazyProxy = proxyProvider->createFullyLazyProxy([this](GrResourceProvider* rp,
	GrSurfaceOrigin* origin) {
	REPORTER_ASSERT(fTest->fReporter, !fTest->fHasClipTexture);
	fTest->fHasClipTexture = true;
	*origin = kBottomLeft_GrSurfaceOrigin;
	fAtlas->instantiate(rp);
	return sk_ref_sp(fAtlas->priv().peekTexture());
	}, GrProxyProvider::Renderable::kYes, kAlpha_half_GrPixelConfig);
	fAccess.reset(fLazyProxy, GrSamplerState::Filter::kNearest,
	GrSamplerState::WrapMode::kClamp, kFragment_GrShaderFlag);
	this->addTextureSampler(&fAccess);
	}

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

	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(GrContext* context, GrRenderTargetContext, bool, bool, GrAppliedClip out,
	SkRect* bounds) const override {
	GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
	out->addCoverageFP(skstd::make_unique<ClipFP>(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[kAlpha_half_GrPixelConfig].fRenderable[0] = true;
	mockOptions.fConfigOptions[kAlpha_half_GrPixelConfig].fTexturable = true;
	sk_sp<GrContext> ctx = GrContext::MakeMock(&mockOptions, GrContextOptions());
	GrProxyProvider* proxyProvider = ctx->contextPriv().proxyProvider();
	for (bool nullTexture : {false, true}) {
	LazyProxyTest test(reporter);
	ctx->contextPriv().addOnFlushCallbackObject(&test);
	sk_sp<GrRenderTargetContext> rtc =
	ctx->makeDeferredRenderTargetContext(SkBackingFit::kExact, 100, 100,
	kRGBA_8888_GrPixelConfig, nullptr);
	REPORTER_ASSERT(reporter, rtc);
	sk_sp<GrRenderTargetContext> mockAtlas =
	ctx->makeDeferredRenderTargetContext(SkBackingFit::kExact, 10, 10,
	kAlpha_half_GrPixelConfig, nullptr);
	REPORTER_ASSERT(reporter, mockAtlas);
	rtc->priv().testingOnly_addDrawOp(LazyProxyTest::Clip(&test, mockAtlas->asTextureProxy()),
	skstd::make_unique<LazyProxyTest::Op>(proxyProvider, &test, nullTexture));
	ctx->contextPriv().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->contextPriv().proxyProvider();

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

	for (bool doInstantiate : {true, false}) {
	int testCount = 0;
	int* testCountPtr = &testCount;
	sk_sp<GrTextureProxy> proxy = proxyProvider->createLazyProxy(
	[testCountPtr](GrResourceProvider* resourceProvider, GrSurfaceOrigin* outOrigin) {
	if (!resourceProvider) {
	*testCountPtr = -1;
	return sk_sp<GrTexture>();
	}
	*testCountPtr = 1;
	return sk_sp<GrTexture>();
	}, desc, GrMipMapped::kNo, SkBackingFit::kExact, SkBudgeted::kNo);

	REPORTER_ASSERT(reporter, 0 == testCount);

	if (doInstantiate) {
	proxy->priv().doLazyInstantiation(ctx->contextPriv().resourceProvider());
	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

	LazyFailedInstantiationTestOp(GrProxyProvider* proxyProvider, int* testExecuteValue,
	bool shouldFailInstantiation)
	: INHERITED(ClassID())
	, fTestExecuteValue(testExecuteValue) {
	GrSurfaceDesc desc;
	desc.fWidth = kSize;
	desc.fHeight = kSize;
	desc.fConfig = kRGBA_8888_GrPixelConfig;

	fLazyProxy = proxyProvider->createLazyProxy(
	[testExecuteValue, shouldFailInstantiation, desc] (
	GrResourceProvider* rp, GrSurfaceOrigin* /origin/) {
	*testExecuteValue = 1;
	if (shouldFailInstantiation \|\| !rp) {
	return sk_sp<GrTexture>();
	}
	return rp->createTexture(desc, SkBudgeted::kNo);
	}, desc, GrMipMapped::kNo, SkBackingFit::kExact, SkBudgeted::kNo);

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

	void visitProxies(const VisitProxyFunc& func) const override {
	func(fLazyProxy.get());
	}

	private:
	const char* name() const override { return "LazyFailedInstantiationTestOp"; }
	FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
	RequiresDstTexture finalize(const GrCaps&, const GrAppliedClip*,
	GrPixelConfigIsClamped) override {
	return RequiresDstTexture::kNo;
	}
	bool onCombineIfPossible(GrOp* other, const GrCaps& caps) override { return false; }
	void onPrepare(GrOpFlushState*) override {}
	void onExecute(GrOpFlushState* state) 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->contextPriv().proxyProvider();
	for (bool failInstantiation : {false, true}) {
	sk_sp<GrRenderTargetContext> rtc =
	ctx->makeDeferredRenderTargetContext(SkBackingFit::kExact, 100, 100,
	kRGBA_8888_GrPixelConfig, nullptr);
	REPORTER_ASSERT(reporter, rtc);

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

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

	if (failInstantiation) {
	#ifdef SK_DISABLE_EXPLICIT_GPU_RESOURCE_ALLOCATION
	// When we disable explicit gpu resource allocation we don't throw away ops that have
	// uninstantiated proxies.
	REPORTER_ASSERT(reporter, 2 == executeTestValue);
	#else
	REPORTER_ASSERT(reporter, 1 == executeTestValue);
	#endif
	} else {
	REPORTER_ASSERT(reporter, 2 == executeTestValue);
	}
	}

	}

	#endif