tests/TextureProxyTest.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.
  */

 // This is a GPU-backend specific test.

 #include "tests/Test.h"

 #include "include/gpu/GrBackendSurface.h"
 #include "include/gpu/GrTexture.h"
 #include "src/gpu/GrContextPriv.h"
 #include "src/gpu/GrProxyProvider.h"
 #include "src/gpu/GrResourceCache.h"
 #include "src/gpu/GrResourceProvider.h"
 #include "src/gpu/GrTextureProxy.h"

 #include "include/core/SkImage.h"
 #include "src/gpu/SkGr.h"

 int GrProxyProvider::numUniqueKeyProxies_TestOnly() const {
     return fUniquelyKeyedProxies.count();
 }

 static GrSurfaceDesc make_desc(GrSurfaceDescFlags descFlags) {
     GrSurfaceDesc desc;
     desc.fFlags = descFlags;
     desc.fWidth = 64;
     desc.fHeight = 64;
     desc.fConfig = kRGBA_8888_GrPixelConfig;
     desc.fSampleCnt = 1;

     return desc;
 }

 ///////////////////////////////////////////////////////////////////////////////////////////////////
 // Basic test

 static sk_sp<GrTextureProxy> deferred_tex(skiatest::Reporter* reporter, GrContext* ctx,
                                           GrProxyProvider* proxyProvider, SkBackingFit fit) {
     const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);
     GrBackendFormat format =
             ctx->priv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType);

     sk_sp<GrTextureProxy> proxy =
             proxyProvider->createProxy(format, desc, kBottomLeft_GrSurfaceOrigin, fit,
                                        SkBudgeted::kYes);
     // Only budgeted & wrapped external proxies get to carry uniqueKeys
     REPORTER_ASSERT(reporter, !proxy->getUniqueKey().isValid());
     return proxy;
 }

 static sk_sp<GrTextureProxy> deferred_texRT(skiatest::Reporter* reporter, GrContext* ctx,
                                             GrProxyProvider* proxyProvider, SkBackingFit fit) {
     const GrSurfaceDesc desc = make_desc(kRenderTarget_GrSurfaceFlag);
     GrBackendFormat format =
             ctx->priv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType);

     sk_sp<GrTextureProxy> proxy =
             proxyProvider->createProxy(format, desc, kBottomLeft_GrSurfaceOrigin, fit,
                                        SkBudgeted::kYes);
     // Only budgeted & wrapped external proxies get to carry uniqueKeys
     REPORTER_ASSERT(reporter, !proxy->getUniqueKey().isValid());
     return proxy;
 }

 static sk_sp<GrTextureProxy> wrapped(skiatest::Reporter* reporter, GrContext* ctx,
                                      GrProxyProvider* proxyProvider, SkBackingFit fit) {
     const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);

     sk_sp<GrTextureProxy> proxy = proxyProvider->testingOnly_createInstantiatedProxy(
             desc, kBottomLeft_GrSurfaceOrigin, fit, SkBudgeted::kYes);
     // Only budgeted & wrapped external proxies get to carry uniqueKeys
     REPORTER_ASSERT(reporter, !proxy->getUniqueKey().isValid());
     return proxy;
 }

 static sk_sp<GrTextureProxy> wrapped_with_key(skiatest::Reporter* reporter, GrContext* ctx,
                                               GrProxyProvider* proxyProvider, SkBackingFit fit) {
     static GrUniqueKey::Domain d = GrUniqueKey::GenerateDomain();
     static int kUniqueKeyData = 0;

     GrUniqueKey key;

     GrUniqueKey::Builder builder(&key, d, 1, nullptr);
     builder[0] = kUniqueKeyData++;
     builder.finish();

     const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);

     // Only budgeted & wrapped external proxies get to carry uniqueKeys
     sk_sp<GrTextureProxy> proxy = proxyProvider->testingOnly_createInstantiatedProxy(
             desc, kBottomLeft_GrSurfaceOrigin, fit, SkBudgeted::kYes);
     SkAssertResult(proxyProvider->assignUniqueKeyToProxy(key, proxy.get()));
     REPORTER_ASSERT(reporter, proxy->getUniqueKey().isValid());
     return proxy;
 }

 static sk_sp<GrTextureProxy> create_wrapped_backend(GrContext* context, SkBackingFit fit,
                                                     sk_sp<GrTexture>* backingSurface) {
     GrProxyProvider* proxyProvider = context->priv().proxyProvider();
     GrResourceProvider* resourceProvider = context->priv().resourceProvider();

     const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);

     *backingSurface = resourceProvider->createTexture(desc, SkBudgeted::kNo,
                                                       GrResourceProvider::Flags::kNoPendingIO);
     if (!(*backingSurface)) {
         return nullptr;
     }

     GrBackendTexture backendTex = (*backingSurface)->getBackendTexture();
     backendTex.setPixelConfig(desc.fConfig);

     return proxyProvider->wrapBackendTexture(backendTex, kBottomLeft_GrSurfaceOrigin,
                                              kBorrow_GrWrapOwnership, GrWrapCacheable::kYes,
                                              kRead_GrIOType);
 }


 // This tests the basic capabilities of the uniquely keyed texture proxies. Does assigning
 // and looking them up work, etc.
 static void basic_test(GrContext* context,
                        skiatest::Reporter* reporter,
                        sk_sp<GrTextureProxy> proxy) {
     static int id = 1;

     GrResourceProvider* resourceProvider = context->priv().resourceProvider();
     GrProxyProvider* proxyProvider = context->priv().proxyProvider();
     GrResourceCache* cache = context->priv().getResourceCache();

     int startCacheCount = cache->getResourceCount();

     GrUniqueKey key;
     if (proxy->getUniqueKey().isValid()) {
         key = proxy->getUniqueKey();
     } else {
         GrMakeKeyFromImageID(&key, id, SkIRect::MakeWH(64, 64));
         ++id;

         // Assigning the uniqueKey adds the proxy to the hash but doesn't force instantiation
         REPORTER_ASSERT(reporter, !proxyProvider->numUniqueKeyProxies_TestOnly());
         SkAssertResult(proxyProvider->assignUniqueKeyToProxy(key, proxy.get()));
     }

     REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
     REPORTER_ASSERT(reporter, startCacheCount == cache->getResourceCount());

     // setUniqueKey had better stick
     REPORTER_ASSERT(reporter, key == proxy->getUniqueKey());

     // We just added it, surely we can find it
     REPORTER_ASSERT(reporter, proxyProvider->findOrCreateProxyByUniqueKey(
                                                                 key, kBottomLeft_GrSurfaceOrigin));
     REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());

     int expectedCacheCount = startCacheCount + (proxy->isInstantiated() ? 0 : 1);

     // Once instantiated, the backing resource should have the same key
     SkAssertResult(proxy->instantiate(resourceProvider));
     const GrUniqueKey texKey = proxy->peekSurface()->getUniqueKey();
     REPORTER_ASSERT(reporter, texKey.isValid());
     REPORTER_ASSERT(reporter, key == texKey);

     // An Unbudgeted-cacheable resource will not get purged when a proxy with the same key is
     // deleted.
     bool expectResourceToOutliveProxy = proxy->peekSurface()->resourcePriv().budgetedType() ==
                                         GrBudgetedType::kUnbudgetedCacheable;

     // An Unbudgeted-uncacheable resource is never kept alive if it's ref cnt reaches zero even if
     // it has a key.
     bool expectDeletingProxyToDeleteResource =
             proxy->peekSurface()->resourcePriv().budgetedType() ==
             GrBudgetedType::kUnbudgetedUncacheable;

     // deleting the proxy should delete it from the hash but not the cache
     proxy = nullptr;
     if (expectDeletingProxyToDeleteResource) {
         expectedCacheCount -= 1;
     }
     REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
     REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());

     // If the proxy was cached refinding it should bring it back to life
     proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
     REPORTER_ASSERT(reporter, proxy);
     REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
     REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());

     // Mega-purging it should remove it from both the hash and the cache
     proxy = nullptr;
     cache->purgeAllUnlocked();
     if (!expectResourceToOutliveProxy) {
         expectedCacheCount--;
     }
     REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());

     // If the texture was deleted then the proxy should no longer be findable. Otherwise, it should
     // be.
     proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
     REPORTER_ASSERT(reporter, expectResourceToOutliveProxy ? (bool)proxy : !proxy);
     REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());

     if (expectResourceToOutliveProxy) {
         proxy.reset();
         GrUniqueKeyInvalidatedMessage msg(texKey, context->priv().contextID());
         SkMessageBus<GrUniqueKeyInvalidatedMessage>::Post(msg);
         cache->purgeAsNeeded();
         expectedCacheCount--;
         proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
         REPORTER_ASSERT(reporter, !proxy);
         REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());
     }
 }

 ///////////////////////////////////////////////////////////////////////////////////////////////////
 // Invalidation test

 // Test if invalidating unique ids operates as expected for texture proxies.
 static void invalidation_test(GrContext* context, skiatest::Reporter* reporter) {

     GrProxyProvider* proxyProvider = context->priv().proxyProvider();
     GrResourceCache* cache = context->priv().getResourceCache();
     REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());

     sk_sp<SkImage> rasterImg;

     {
         SkImageInfo ii = SkImageInfo::Make(64, 64, kRGBA_8888_SkColorType, kOpaque_SkAlphaType);

         SkBitmap bm;
         bm.allocPixels(ii);

         rasterImg = SkImage::MakeFromBitmap(bm);
         REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
         REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
     }

     sk_sp<SkImage> textureImg = rasterImg->makeTextureImage(context, nullptr);
     REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
     REPORTER_ASSERT(reporter, 1 == cache->getResourceCount());

     rasterImg = nullptr;        // this invalidates the uniqueKey

     // this forces the cache to respond to the inval msg
     int maxNum;
     size_t maxBytes;
     context->getResourceCacheLimits(&maxNum, &maxBytes);
     context->setResourceCacheLimits(maxNum-1, maxBytes);

     REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
     REPORTER_ASSERT(reporter, 1 == cache->getResourceCount());

     textureImg = nullptr;
     context->priv().testingOnly_purgeAllUnlockedResources();

     REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
     REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
 }

 // Test if invalidating unique ids prior to instantiating operates as expected
 static void invalidation_and_instantiation_test(GrContext* context, skiatest::Reporter* reporter) {
     GrProxyProvider* proxyProvider = context->priv().proxyProvider();
     GrResourceProvider* resourceProvider = context->priv().resourceProvider();
     GrResourceCache* cache = context->priv().getResourceCache();
     REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());

     static GrUniqueKey::Domain d = GrUniqueKey::GenerateDomain();
     GrUniqueKey key;
     GrUniqueKey::Builder builder(&key, d, 1, nullptr);
     builder[0] = 0;
     builder.finish();

     // Create proxy, assign unique key
     sk_sp<GrTextureProxy> proxy = deferred_tex(reporter, context, proxyProvider,
                                                SkBackingFit::kExact);
     SkAssertResult(proxyProvider->assignUniqueKeyToProxy(key, proxy.get()));

     // Send an invalidation message, which will be sitting in the cache's inbox
     SkMessageBus<GrUniqueKeyInvalidatedMessage>::Post(
             GrUniqueKeyInvalidatedMessage(key, context->priv().contextID()));

     REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
     REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());

     // Instantiate the proxy. This will trigger the message to be processed, so the resulting
     // texture should *not* have the unique key on it!
     SkAssertResult(proxy->instantiate(resourceProvider));

     REPORTER_ASSERT(reporter, !proxy->getUniqueKey().isValid());
     REPORTER_ASSERT(reporter, !proxy->peekTexture()->getUniqueKey().isValid());
     REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
     REPORTER_ASSERT(reporter, 1 == cache->getResourceCount());

     proxy = nullptr;
     context->priv().testingOnly_purgeAllUnlockedResources();

     REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
     REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
 }

 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(TextureProxyTest, reporter, ctxInfo) {
     GrContext* context = ctxInfo.grContext();
     GrProxyProvider* proxyProvider = context->priv().proxyProvider();
     GrResourceCache* cache = context->priv().getResourceCache();

     REPORTER_ASSERT(reporter, !proxyProvider->numUniqueKeyProxies_TestOnly());
     REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());

     for (auto fit : { SkBackingFit::kExact, SkBackingFit::kApprox }) {
         for (auto create : { deferred_tex, deferred_texRT, wrapped, wrapped_with_key }) {
             REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
             basic_test(context, reporter, create(reporter, context, proxyProvider, fit));
         }

         REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
         sk_sp<GrTexture> backingTex;
         sk_sp<GrTextureProxy> proxy = create_wrapped_backend(context, fit, &backingTex);
         basic_test(context, reporter, std::move(proxy));

         backingTex = nullptr;
         cache->purgeAllUnlocked();
     }

     invalidation_test(context, reporter);
     invalidation_and_instantiation_test(context, reporter);
 }
	/*
	* Copyright 2017 Google Inc.
	*
	* Use of this source code is governed by a BSD-style license that can be
	* found in the LICENSE file.
	*/

	// This is a GPU-backend specific test.

	#include "tests/Test.h"

	#include "include/gpu/GrBackendSurface.h"
	#include "include/gpu/GrTexture.h"
	#include "src/gpu/GrContextPriv.h"
	#include "src/gpu/GrProxyProvider.h"
	#include "src/gpu/GrResourceCache.h"
	#include "src/gpu/GrResourceProvider.h"
	#include "src/gpu/GrTextureProxy.h"

	#include "include/core/SkImage.h"
	#include "src/gpu/SkGr.h"

	int GrProxyProvider::numUniqueKeyProxies_TestOnly() const {
	return fUniquelyKeyedProxies.count();
	}

	static GrSurfaceDesc make_desc(GrSurfaceDescFlags descFlags) {
	GrSurfaceDesc desc;
	desc.fFlags = descFlags;
	desc.fWidth = 64;
	desc.fHeight = 64;
	desc.fConfig = kRGBA_8888_GrPixelConfig;
	desc.fSampleCnt = 1;

	return desc;
	}

	///////////////////////////////////////////////////////////////////////////////////////////////////
	// Basic test

	static sk_sp<GrTextureProxy> deferred_tex(skiatest::Reporter* reporter, GrContext* ctx,
	GrProxyProvider* proxyProvider, SkBackingFit fit) {
	const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);
	GrBackendFormat format =
	ctx->priv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType);

	sk_sp<GrTextureProxy> proxy =
	proxyProvider->createProxy(format, desc, kBottomLeft_GrSurfaceOrigin, fit,
	SkBudgeted::kYes);
	// Only budgeted & wrapped external proxies get to carry uniqueKeys
	REPORTER_ASSERT(reporter, !proxy->getUniqueKey().isValid());
	return proxy;
	}

	static sk_sp<GrTextureProxy> deferred_texRT(skiatest::Reporter* reporter, GrContext* ctx,
	GrProxyProvider* proxyProvider, SkBackingFit fit) {
	const GrSurfaceDesc desc = make_desc(kRenderTarget_GrSurfaceFlag);
	GrBackendFormat format =
	ctx->priv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType);

	sk_sp<GrTextureProxy> proxy =
	proxyProvider->createProxy(format, desc, kBottomLeft_GrSurfaceOrigin, fit,
	SkBudgeted::kYes);
	// Only budgeted & wrapped external proxies get to carry uniqueKeys
	REPORTER_ASSERT(reporter, !proxy->getUniqueKey().isValid());
	return proxy;
	}

	static sk_sp<GrTextureProxy> wrapped(skiatest::Reporter* reporter, GrContext* ctx,
	GrProxyProvider* proxyProvider, SkBackingFit fit) {
	const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);

	sk_sp<GrTextureProxy> proxy = proxyProvider->testingOnly_createInstantiatedProxy(
	desc, kBottomLeft_GrSurfaceOrigin, fit, SkBudgeted::kYes);
	// Only budgeted & wrapped external proxies get to carry uniqueKeys
	REPORTER_ASSERT(reporter, !proxy->getUniqueKey().isValid());
	return proxy;
	}

	static sk_sp<GrTextureProxy> wrapped_with_key(skiatest::Reporter* reporter, GrContext* ctx,
	GrProxyProvider* proxyProvider, SkBackingFit fit) {
	static GrUniqueKey::Domain d = GrUniqueKey::GenerateDomain();
	static int kUniqueKeyData = 0;

	GrUniqueKey key;

	GrUniqueKey::Builder builder(&key, d, 1, nullptr);
	builder[0] = kUniqueKeyData++;
	builder.finish();

	const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);

	// Only budgeted & wrapped external proxies get to carry uniqueKeys
	sk_sp<GrTextureProxy> proxy = proxyProvider->testingOnly_createInstantiatedProxy(
	desc, kBottomLeft_GrSurfaceOrigin, fit, SkBudgeted::kYes);
	SkAssertResult(proxyProvider->assignUniqueKeyToProxy(key, proxy.get()));
	REPORTER_ASSERT(reporter, proxy->getUniqueKey().isValid());
	return proxy;
	}

	static sk_sp<GrTextureProxy> create_wrapped_backend(GrContext* context, SkBackingFit fit,
	sk_sp<GrTexture>* backingSurface) {
	GrProxyProvider* proxyProvider = context->priv().proxyProvider();
	GrResourceProvider* resourceProvider = context->priv().resourceProvider();

	const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);

	*backingSurface = resourceProvider->createTexture(desc, SkBudgeted::kNo,
	GrResourceProvider::Flags::kNoPendingIO);
	if (!(*backingSurface)) {
	return nullptr;
	}

	GrBackendTexture backendTex = (*backingSurface)->getBackendTexture();
	backendTex.setPixelConfig(desc.fConfig);

	return proxyProvider->wrapBackendTexture(backendTex, kBottomLeft_GrSurfaceOrigin,
	kBorrow_GrWrapOwnership, GrWrapCacheable::kYes,
	kRead_GrIOType);
	}


	// This tests the basic capabilities of the uniquely keyed texture proxies. Does assigning
	// and looking them up work, etc.
	static void basic_test(GrContext* context,
	skiatest::Reporter* reporter,
	sk_sp<GrTextureProxy> proxy) {
	static int id = 1;

	GrResourceProvider* resourceProvider = context->priv().resourceProvider();
	GrProxyProvider* proxyProvider = context->priv().proxyProvider();
	GrResourceCache* cache = context->priv().getResourceCache();

	int startCacheCount = cache->getResourceCount();

	GrUniqueKey key;
	if (proxy->getUniqueKey().isValid()) {
	key = proxy->getUniqueKey();
	} else {
	GrMakeKeyFromImageID(&key, id, SkIRect::MakeWH(64, 64));
	++id;

	// Assigning the uniqueKey adds the proxy to the hash but doesn't force instantiation
	REPORTER_ASSERT(reporter, !proxyProvider->numUniqueKeyProxies_TestOnly());
	SkAssertResult(proxyProvider->assignUniqueKeyToProxy(key, proxy.get()));
	}

	REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
	REPORTER_ASSERT(reporter, startCacheCount == cache->getResourceCount());

	// setUniqueKey had better stick
	REPORTER_ASSERT(reporter, key == proxy->getUniqueKey());

	// We just added it, surely we can find it
	REPORTER_ASSERT(reporter, proxyProvider->findOrCreateProxyByUniqueKey(
	key, kBottomLeft_GrSurfaceOrigin));
	REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());

	int expectedCacheCount = startCacheCount + (proxy->isInstantiated() ? 0 : 1);

	// Once instantiated, the backing resource should have the same key
	SkAssertResult(proxy->instantiate(resourceProvider));
	const GrUniqueKey texKey = proxy->peekSurface()->getUniqueKey();
	REPORTER_ASSERT(reporter, texKey.isValid());
	REPORTER_ASSERT(reporter, key == texKey);

	// An Unbudgeted-cacheable resource will not get purged when a proxy with the same key is
	// deleted.
	bool expectResourceToOutliveProxy = proxy->peekSurface()->resourcePriv().budgetedType() ==
	GrBudgetedType::kUnbudgetedCacheable;

	// An Unbudgeted-uncacheable resource is never kept alive if it's ref cnt reaches zero even if
	// it has a key.
	bool expectDeletingProxyToDeleteResource =
	proxy->peekSurface()->resourcePriv().budgetedType() ==
	GrBudgetedType::kUnbudgetedUncacheable;

	// deleting the proxy should delete it from the hash but not the cache
	proxy = nullptr;
	if (expectDeletingProxyToDeleteResource) {
	expectedCacheCount -= 1;
	}
	REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
	REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());

	// If the proxy was cached refinding it should bring it back to life
	proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
	REPORTER_ASSERT(reporter, proxy);
	REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
	REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());

	// Mega-purging it should remove it from both the hash and the cache
	proxy = nullptr;
	cache->purgeAllUnlocked();
	if (!expectResourceToOutliveProxy) {
	expectedCacheCount--;
	}
	REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());

	// If the texture was deleted then the proxy should no longer be findable. Otherwise, it should
	// be.
	proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
	REPORTER_ASSERT(reporter, expectResourceToOutliveProxy ? (bool)proxy : !proxy);
	REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());

	if (expectResourceToOutliveProxy) {
	proxy.reset();
	GrUniqueKeyInvalidatedMessage msg(texKey, context->priv().contextID());
	SkMessageBus<GrUniqueKeyInvalidatedMessage>::Post(msg);
	cache->purgeAsNeeded();
	expectedCacheCount--;
	proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
	REPORTER_ASSERT(reporter, !proxy);
	REPORTER_ASSERT(reporter, expectedCacheCount == cache->getResourceCount());
	}
	}

	///////////////////////////////////////////////////////////////////////////////////////////////////
	// Invalidation test

	// Test if invalidating unique ids operates as expected for texture proxies.
	static void invalidation_test(GrContext* context, skiatest::Reporter* reporter) {

	GrProxyProvider* proxyProvider = context->priv().proxyProvider();
	GrResourceCache* cache = context->priv().getResourceCache();
	REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());

	sk_sp<SkImage> rasterImg;

	{
	SkImageInfo ii = SkImageInfo::Make(64, 64, kRGBA_8888_SkColorType, kOpaque_SkAlphaType);

	SkBitmap bm;
	bm.allocPixels(ii);

	rasterImg = SkImage::MakeFromBitmap(bm);
	REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
	REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
	}

	sk_sp<SkImage> textureImg = rasterImg->makeTextureImage(context, nullptr);
	REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
	REPORTER_ASSERT(reporter, 1 == cache->getResourceCount());

	rasterImg = nullptr; // this invalidates the uniqueKey

	// this forces the cache to respond to the inval msg
	int maxNum;
	size_t maxBytes;
	context->getResourceCacheLimits(&maxNum, &maxBytes);
	context->setResourceCacheLimits(maxNum-1, maxBytes);

	REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
	REPORTER_ASSERT(reporter, 1 == cache->getResourceCount());

	textureImg = nullptr;
	context->priv().testingOnly_purgeAllUnlockedResources();

	REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
	REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
	}

	// Test if invalidating unique ids prior to instantiating operates as expected
	static void invalidation_and_instantiation_test(GrContext* context, skiatest::Reporter* reporter) {
	GrProxyProvider* proxyProvider = context->priv().proxyProvider();
	GrResourceProvider* resourceProvider = context->priv().resourceProvider();
	GrResourceCache* cache = context->priv().getResourceCache();
	REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());

	static GrUniqueKey::Domain d = GrUniqueKey::GenerateDomain();
	GrUniqueKey key;
	GrUniqueKey::Builder builder(&key, d, 1, nullptr);
	builder[0] = 0;
	builder.finish();

	// Create proxy, assign unique key
	sk_sp<GrTextureProxy> proxy = deferred_tex(reporter, context, proxyProvider,
	SkBackingFit::kExact);
	SkAssertResult(proxyProvider->assignUniqueKeyToProxy(key, proxy.get()));

	// Send an invalidation message, which will be sitting in the cache's inbox
	SkMessageBus<GrUniqueKeyInvalidatedMessage>::Post(
	GrUniqueKeyInvalidatedMessage(key, context->priv().contextID()));

	REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
	REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());

	// Instantiate the proxy. This will trigger the message to be processed, so the resulting
	// texture should not have the unique key on it!
	SkAssertResult(proxy->instantiate(resourceProvider));

	REPORTER_ASSERT(reporter, !proxy->getUniqueKey().isValid());
	REPORTER_ASSERT(reporter, !proxy->peekTexture()->getUniqueKey().isValid());
	REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
	REPORTER_ASSERT(reporter, 1 == cache->getResourceCount());

	proxy = nullptr;
	context->priv().testingOnly_purgeAllUnlockedResources();

	REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
	REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
	}

	DEF_GPUTEST_FOR_RENDERING_CONTEXTS(TextureProxyTest, reporter, ctxInfo) {
	GrContext* context = ctxInfo.grContext();
	GrProxyProvider* proxyProvider = context->priv().proxyProvider();
	GrResourceCache* cache = context->priv().getResourceCache();

	REPORTER_ASSERT(reporter, !proxyProvider->numUniqueKeyProxies_TestOnly());
	REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());

	for (auto fit : { SkBackingFit::kExact, SkBackingFit::kApprox }) {
	for (auto create : { deferred_tex, deferred_texRT, wrapped, wrapped_with_key }) {
	REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
	basic_test(context, reporter, create(reporter, context, proxyProvider, fit));
	}

	REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
	sk_sp<GrTexture> backingTex;
	sk_sp<GrTextureProxy> proxy = create_wrapped_backend(context, fit, &backingTex);
	basic_test(context, reporter, std::move(proxy));

	backingTex = nullptr;
	cache->purgeAllUnlocked();
	}

	invalidation_test(context, reporter);
	invalidation_and_instantiation_test(context, reporter);
	}