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 "Test.h"

 #if SK_SUPPORT_GPU

 #include "GrBackendSurface.h"
 #include "GrContextPriv.h"
 #include "GrResourceCache.h"
 #include "GrProxyProvider.h"
 #include "GrResourceProvider.h"
 #include "GrTest.h"
 #include "GrTexture.h"
 #include "GrTextureProxy.h"

 #include "SkGr.h"
 #include "SkImage.h"

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

 static GrSurfaceDesc make_desc(GrSurfaceFlags flags) {
     GrSurfaceDesc desc;
     desc.fFlags = flags;
     desc.fOrigin = kBottomLeft_GrSurfaceOrigin;
     desc.fWidth = 64;
     desc.fHeight = 64;
     desc.fConfig = kRGBA_8888_GrPixelConfig;
     desc.fSampleCnt = 0;

     return desc;
 }

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

 static sk_sp<GrTextureProxy> deferred_tex(skiatest::Reporter* reporter,
                                           GrContext* context, SkBackingFit fit) {
     GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
     const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);

     sk_sp<GrTextureProxy> proxy = proxyProvider->createProxy(desc, 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* context, SkBackingFit fit) {
     GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
     const GrSurfaceDesc desc = make_desc(kRenderTarget_GrSurfaceFlag);

     sk_sp<GrTextureProxy> proxy = proxyProvider->createProxy(desc, 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* context, SkBackingFit fit) {
     GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
     const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);

     sk_sp<GrTextureProxy> proxy = proxyProvider->createInstantiatedProxy(desc, 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* context, SkBackingFit fit) {
     GrResourceProvider* resourceProvider = context->resourceProvider();

     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);

     sk_sp<GrTexture> tex;
     if (SkBackingFit::kApprox == fit) {
         tex = sk_sp<GrTexture>(resourceProvider->createApproxTexture(desc, 0));
     } else {
         // Only budgeted & wrapped external proxies get to carry uniqueKeys
         tex = resourceProvider->createTexture(desc, SkBudgeted::kYes);
     }

     tex->resourcePriv().setUniqueKey(key);

     sk_sp<GrTextureProxy> proxy = GrSurfaceProxy::MakeWrapped(std::move(tex),
                                                               kBottomLeft_GrSurfaceOrigin);
     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->contextPriv().proxyProvider();
     GrResourceProvider* resourceProvider = context->resourceProvider();

     const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);

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

     GrBackendTexture backendTex = (*backingSurface)->getBackendTexture();

     return proxyProvider->createWrappedTextureProxy(backendTex, kBottomLeft_GrSurfaceOrigin);
 }


 // 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, bool proxyIsCached) {
     static int id = 1;

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

     // Once instantiated, the backing resource should have the same key
     SkAssertResult(proxy->instantiate(resourceProvider));
     const GrUniqueKey& texKey = proxy->priv().peekSurface()->getUniqueKey();
     REPORTER_ASSERT(reporter, texKey.isValid());
     REPORTER_ASSERT(reporter, key == texKey);
     if (proxyIsCached) {
         REPORTER_ASSERT(reporter, 1 == cache->getResourceCount());
     }

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

     // If the proxy was cached refinding it should bring it back to life
     proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
     if (proxyIsCached) {
         REPORTER_ASSERT(reporter, proxy);
         REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
     } else {
         REPORTER_ASSERT(reporter, !proxy);
         REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
     }
     REPORTER_ASSERT(reporter, 1 == cache->getResourceCount());

     // Mega-purging it should remove it from both the hash and the cache
     proxy = nullptr;
     cache->purgeAllUnlocked();
     if (proxyIsCached) {
         REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
     } else {
         REPORTER_ASSERT(reporter, 1 == cache->getResourceCount());
     }

     // We can bring neither the texture nor proxy back from perma-death
     proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
     REPORTER_ASSERT(reporter, !proxy);
     if (proxyIsCached) {
         REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
     } else {
         REPORTER_ASSERT(reporter, 1 == 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->contextPriv().proxyProvider();
     GrResourceCache* cache = context->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->purgeAllUnlockedResources();

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

 #ifndef SK_DISABLE_DEFERRED_PROXIES
 // 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->contextPriv().proxyProvider();
     GrResourceProvider* resourceProvider = context->resourceProvider();
     GrResourceCache* cache = context->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, SkBackingFit::kExact);
     proxyProvider->assignUniqueKeyToProxy(key, proxy.get());

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

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

     proxy = nullptr;
     context->purgeAllUnlockedResources();

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

 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(TextureProxyTest, reporter, ctxInfo) {
     GrContext* context = ctxInfo.grContext();
     GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
     GrResourceCache* cache = context->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, fit), true);
         }

         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), false);

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

     invalidation_test(context, reporter);
 #ifndef SK_DISABLE_DEFERRED_PROXIES
     invalidation_and_instantiation_test(context, reporter);
 #endif
 }

 #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.
	*/

	// This is a GPU-backend specific test.

	#include "Test.h"

	#if SK_SUPPORT_GPU

	#include "GrBackendSurface.h"
	#include "GrContextPriv.h"
	#include "GrResourceCache.h"
	#include "GrProxyProvider.h"
	#include "GrResourceProvider.h"
	#include "GrTest.h"
	#include "GrTexture.h"
	#include "GrTextureProxy.h"

	#include "SkGr.h"
	#include "SkImage.h"

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

	static GrSurfaceDesc make_desc(GrSurfaceFlags flags) {
	GrSurfaceDesc desc;
	desc.fFlags = flags;
	desc.fOrigin = kBottomLeft_GrSurfaceOrigin;
	desc.fWidth = 64;
	desc.fHeight = 64;
	desc.fConfig = kRGBA_8888_GrPixelConfig;
	desc.fSampleCnt = 0;

	return desc;
	}

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

	static sk_sp<GrTextureProxy> deferred_tex(skiatest::Reporter* reporter,
	GrContext* context, SkBackingFit fit) {
	GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
	const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);

	sk_sp<GrTextureProxy> proxy = proxyProvider->createProxy(desc, 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* context, SkBackingFit fit) {
	GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
	const GrSurfaceDesc desc = make_desc(kRenderTarget_GrSurfaceFlag);

	sk_sp<GrTextureProxy> proxy = proxyProvider->createProxy(desc, 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* context, SkBackingFit fit) {
	GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
	const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);

	sk_sp<GrTextureProxy> proxy = proxyProvider->createInstantiatedProxy(desc, 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* context, SkBackingFit fit) {
	GrResourceProvider* resourceProvider = context->resourceProvider();

	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);

	sk_sp<GrTexture> tex;
	if (SkBackingFit::kApprox == fit) {
	tex = sk_sp<GrTexture>(resourceProvider->createApproxTexture(desc, 0));
	} else {
	// Only budgeted & wrapped external proxies get to carry uniqueKeys
	tex = resourceProvider->createTexture(desc, SkBudgeted::kYes);
	}

	tex->resourcePriv().setUniqueKey(key);

	sk_sp<GrTextureProxy> proxy = GrSurfaceProxy::MakeWrapped(std::move(tex),
	kBottomLeft_GrSurfaceOrigin);
	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->contextPriv().proxyProvider();
	GrResourceProvider* resourceProvider = context->resourceProvider();

	const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);

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

	GrBackendTexture backendTex = (*backingSurface)->getBackendTexture();

	return proxyProvider->createWrappedTextureProxy(backendTex, kBottomLeft_GrSurfaceOrigin);
	}


	// 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, bool proxyIsCached) {
	static int id = 1;

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

	// Once instantiated, the backing resource should have the same key
	SkAssertResult(proxy->instantiate(resourceProvider));
	const GrUniqueKey& texKey = proxy->priv().peekSurface()->getUniqueKey();
	REPORTER_ASSERT(reporter, texKey.isValid());
	REPORTER_ASSERT(reporter, key == texKey);
	if (proxyIsCached) {
	REPORTER_ASSERT(reporter, 1 == cache->getResourceCount());
	}

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

	// If the proxy was cached refinding it should bring it back to life
	proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
	if (proxyIsCached) {
	REPORTER_ASSERT(reporter, proxy);
	REPORTER_ASSERT(reporter, 1 == proxyProvider->numUniqueKeyProxies_TestOnly());
	} else {
	REPORTER_ASSERT(reporter, !proxy);
	REPORTER_ASSERT(reporter, 0 == proxyProvider->numUniqueKeyProxies_TestOnly());
	}
	REPORTER_ASSERT(reporter, 1 == cache->getResourceCount());

	// Mega-purging it should remove it from both the hash and the cache
	proxy = nullptr;
	cache->purgeAllUnlocked();
	if (proxyIsCached) {
	REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
	} else {
	REPORTER_ASSERT(reporter, 1 == cache->getResourceCount());
	}

	// We can bring neither the texture nor proxy back from perma-death
	proxy = proxyProvider->findOrCreateProxyByUniqueKey(key, kBottomLeft_GrSurfaceOrigin);
	REPORTER_ASSERT(reporter, !proxy);
	if (proxyIsCached) {
	REPORTER_ASSERT(reporter, 0 == cache->getResourceCount());
	} else {
	REPORTER_ASSERT(reporter, 1 == 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->contextPriv().proxyProvider();
	GrResourceCache* cache = context->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->purgeAllUnlockedResources();

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

	#ifndef SK_DISABLE_DEFERRED_PROXIES
	// 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->contextPriv().proxyProvider();
	GrResourceProvider* resourceProvider = context->resourceProvider();
	GrResourceCache* cache = context->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, SkBackingFit::kExact);
	proxyProvider->assignUniqueKeyToProxy(key, proxy.get());

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

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

	proxy = nullptr;
	context->purgeAllUnlockedResources();

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

	DEF_GPUTEST_FOR_RENDERING_CONTEXTS(TextureProxyTest, reporter, ctxInfo) {
	GrContext* context = ctxInfo.grContext();
	GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
	GrResourceCache* cache = context->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, fit), true);
	}

	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), false);

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

	invalidation_test(context, reporter);
	#ifndef SK_DISABLE_DEFERRED_PROXIES
	invalidation_and_instantiation_test(context, reporter);
	#endif
	}

	#endif