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skia2/tests/GrThreadSafeCacheTest.cpp
Adlai Holler a069304560 Rename GrContextPriv to GrDirectContextPriv 
Change-Id: I3fccadd8a2860dbee73f93f995738146373f8a39
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/326196
Commit-Queue: Adlai Holler <adlai@google.com>
Auto-Submit: Adlai Holler <adlai@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
2020-10-14 16:46:01 +00:00

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/*
* Copyright 2020 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkCanvas.h"
#include "include/core/SkDeferredDisplayListRecorder.h"
#include "include/core/SkSurfaceCharacterization.h"
#include "src/gpu/GrDirectContextPriv.h"
#include "src/gpu/GrProxyProvider.h"
#include "src/gpu/GrRecordingContextPriv.h"
#include "src/gpu/GrRenderTargetContext.h"
#include "src/gpu/GrStyle.h"
#include "src/gpu/GrThreadSafeCache.h"
#include "tests/Test.h"
#include "tests/TestUtils.h"
#include <thread>
static constexpr int kImageWH = 32;
static constexpr auto kImageOrigin = kBottomLeft_GrSurfaceOrigin;
static constexpr int kNoID = -1;
static SkImageInfo default_ii(int wh) {
return SkImageInfo::Make(wh, wh, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
}
static std::unique_ptr<GrRenderTargetContext> new_RTC(GrRecordingContext* rContext, int wh) {
return GrRenderTargetContext::Make(rContext,
GrColorType::kRGBA_8888,
nullptr,
SkBackingFit::kExact,
{wh, wh},
1,
GrMipMapped::kNo,
GrProtected::kNo,
kImageOrigin,
SkBudgeted::kYes);
}
static void create_key(GrUniqueKey* key, int wh, int id) {
static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey::Builder builder(key, kDomain, 1);
builder[0] = wh;
builder.finish();
if (id != kNoID) {
key->setCustomData(SkData::MakeWithCopy(&id, sizeof(id)));
}
};
static SkBitmap create_bitmap(int wh) {
SkBitmap bitmap;
bitmap.allocPixels(default_ii(wh));
SkCanvas tmp(bitmap);
tmp.clear(SK_ColorWHITE);
SkPaint blue;
blue.setColor(SK_ColorBLUE);
blue.setAntiAlias(false);
tmp.drawRect({10, 10, wh-10.0f, wh-10.0f}, blue);
bitmap.setImmutable();
return bitmap;
}
class TestHelper {
public:
struct Stats {
int fCacheHits = 0;
int fCacheMisses = 0;
int fNumSWCreations = 0;
int fNumLazyCreations = 0;
int fNumHWCreations = 0;
};
TestHelper(GrDirectContext* dContext) : fDContext(dContext) {
fDst = SkSurface::MakeRenderTarget(dContext, SkBudgeted::kNo, default_ii(kImageWH));
SkAssertResult(fDst);
SkSurfaceCharacterization characterization;
SkAssertResult(fDst->characterize(&characterization));
fRecorder1 = std::make_unique<SkDeferredDisplayListRecorder>(characterization);
this->ddlCanvas1()->clear(SkColors::kGreen);
fRecorder2 = std::make_unique<SkDeferredDisplayListRecorder>(characterization);
this->ddlCanvas2()->clear(SkColors::kRed);
}
~TestHelper() {
fDContext->flush();
fDContext->submit(true);
}
Stats* stats() { return &fStats; }
int numCacheEntries() const { return this->threadSafeCache()->numEntries(); }
GrDirectContext* dContext() { return fDContext; }
SkCanvas* liveCanvas() { return fDst ? fDst->getCanvas() : nullptr; }
SkCanvas* ddlCanvas1() { return fRecorder1 ? fRecorder1->getCanvas() : nullptr; }
sk_sp<SkDeferredDisplayList> snap1() {
if (fRecorder1) {
sk_sp<SkDeferredDisplayList> tmp = fRecorder1->detach();
fRecorder1 = nullptr;
return tmp;
}
return nullptr;
}
SkCanvas* ddlCanvas2() { return fRecorder2 ? fRecorder2->getCanvas() : nullptr; }
sk_sp<SkDeferredDisplayList> snap2() {
if (fRecorder2) {
sk_sp<SkDeferredDisplayList> tmp = fRecorder2->detach();
fRecorder2 = nullptr;
return tmp;
}
return nullptr;
}
GrThreadSafeCache* threadSafeCache() { return fDContext->priv().threadSafeCache(); }
const GrThreadSafeCache* threadSafeCache() const { return fDContext->priv().threadSafeCache(); }
// Add a draw on 'canvas' that will introduce a ref on the 'wh' view
void accessCachedView(SkCanvas* canvas,
int wh,
int id = kNoID,
bool failLookup = false,
bool failFillingIn = false) {
GrRecordingContext* rContext = canvas->recordingContext();
auto view = AccessCachedView(rContext, this->threadSafeCache(),
wh, failLookup, failFillingIn, id, &fStats);
SkASSERT(view);
auto rtc = canvas->internal_private_accessTopLayerRenderTargetContext();
rtc->drawTexture(nullptr,
view,
kPremul_SkAlphaType,
GrSamplerState::Filter::kNearest,
GrSamplerState::MipmapMode::kNone,
SkBlendMode::kSrcOver,
{1.0f, 1.0f, 1.0f, 1.0f},
SkRect::MakeWH(wh, wh),
SkRect::MakeWH(wh, wh),
GrAA::kNo,
GrQuadAAFlags::kNone,
SkCanvas::kFast_SrcRectConstraint,
SkMatrix::I(),
nullptr);
}
// Besides checking that the number of refs and cache hits and misses are as expected, this
// method also validates that the unique key doesn't appear in any of the other caches.
bool checkView(SkCanvas* canvas, int wh, int hits, int misses, int numRefs, int expectedID) {
if (fStats.fCacheHits != hits || fStats.fCacheMisses != misses) {
SkDebugf("Hits E: %d A: %d --- Misses E: %d A: %d\n",
hits, fStats.fCacheHits, misses, fStats.fCacheMisses);
return false;
}
GrUniqueKey key;
create_key(&key, wh, kNoID);
auto threadSafeCache = this->threadSafeCache();
auto [view, data] = threadSafeCache->findWithData(key);
if (!view.proxy()) {
return false;
}
if (expectedID < 0) {
if (data) {
return false;
}
} else {
if (!data) {
return false;
}
const int* cachedID = static_cast<const int*>(data->data());
if (*cachedID != expectedID) {
return false;
}
}
if (!view.proxy()->refCntGreaterThan(numRefs+1) || // +1 for 'view's ref
view.proxy()->refCntGreaterThan(numRefs+2)) {
return false;
}
if (canvas) {
GrRecordingContext* rContext = canvas->recordingContext();
GrProxyProvider* recordingProxyProvider = rContext->priv().proxyProvider();
sk_sp<GrTextureProxy> result = recordingProxyProvider->findProxyByUniqueKey(key);
if (result) {
// views in this cache should never appear in the recorder's cache
return false;
}
}
{
GrProxyProvider* directProxyProvider = fDContext->priv().proxyProvider();
sk_sp<GrTextureProxy> result = directProxyProvider->findProxyByUniqueKey(key);
if (result) {
// views in this cache should never appear in the main proxy cache
return false;
}
}
{
auto resourceProvider = fDContext->priv().resourceProvider();
sk_sp<GrSurface> surf = resourceProvider->findByUniqueKey<GrSurface>(key);
if (surf) {
// the textures backing the views in this cache should never be discoverable in the
// resource cache
return false;
}
}
return true;
}
bool checkImage(skiatest::Reporter* reporter, sk_sp<SkSurface> s) {
SkBitmap actual;
actual.allocPixels(default_ii(kImageWH));
if (!s->readPixels(actual, 0, 0)) {
return false;
}
SkBitmap expected = create_bitmap(kImageWH);
const float tols[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
auto error = std::function<ComparePixmapsErrorReporter>(
[reporter](int x, int y, const float diffs[4]) {
SkASSERT(x >= 0 && y >= 0);
ERRORF(reporter, "mismatch at %d, %d (%f, %f, %f %f)",
x, y, diffs[0], diffs[1], diffs[2], diffs[3]);
});
return ComparePixels(expected.pixmap(), actual.pixmap(), tols, error);
}
bool checkImage(skiatest::Reporter* reporter) {
return this->checkImage(reporter, fDst);
}
bool checkImage(skiatest::Reporter* reporter, sk_sp<SkDeferredDisplayList> ddl) {
sk_sp<SkSurface> tmp = SkSurface::MakeRenderTarget(fDContext,
SkBudgeted::kNo,
default_ii(kImageWH));
if (!tmp) {
return false;
}
if (!tmp->draw(std::move(ddl))) {
return false;
}
return this->checkImage(reporter, std::move(tmp));
}
size_t gpuSize(int wh) const {
GrBackendFormat format = fDContext->defaultBackendFormat(kRGBA_8888_SkColorType,
GrRenderable::kNo);
return GrSurface::ComputeSize(format, {wh, wh}, /*colorSamplesPerPixel=*/1,
GrMipMapped::kNo, /*binSize=*/false);
}
private:
static GrSurfaceProxyView AccessCachedView(GrRecordingContext*,
GrThreadSafeCache*,
int wh,
bool failLookup, bool failFillingIn, int id,
Stats*);
static GrSurfaceProxyView CreateViewOnCpu(GrRecordingContext*, int wh, Stats*);
static bool FillInViewOnGpu(GrDirectContext*, int wh, Stats*,
const GrSurfaceProxyView& lazyView,
sk_sp<GrThreadSafeCache::Trampoline>);
Stats fStats;
GrDirectContext* fDContext = nullptr;
sk_sp<SkSurface> fDst;
std::unique_ptr<SkDeferredDisplayListRecorder> fRecorder1;
std::unique_ptr<SkDeferredDisplayListRecorder> fRecorder2;
};
GrSurfaceProxyView TestHelper::CreateViewOnCpu(GrRecordingContext* rContext,
int wh,
Stats* stats) {
GrProxyProvider* proxyProvider = rContext->priv().proxyProvider();
sk_sp<GrTextureProxy> proxy = proxyProvider->createProxyFromBitmap(create_bitmap(wh),
GrMipmapped::kNo,
SkBackingFit::kExact,
SkBudgeted::kYes);
if (!proxy) {
return {};
}
GrSwizzle swizzle = rContext->priv().caps()->getReadSwizzle(proxy->backendFormat(),
GrColorType::kRGBA_8888);
++stats->fNumSWCreations;
return {std::move(proxy), kImageOrigin, swizzle};
}
bool TestHelper::FillInViewOnGpu(GrDirectContext* dContext, int wh, Stats* stats,
const GrSurfaceProxyView& lazyView,
sk_sp<GrThreadSafeCache::Trampoline> trampoline) {
std::unique_ptr<GrRenderTargetContext> rtc = new_RTC(dContext, wh);
GrPaint paint;
paint.setColor4f({0.0f, 0.0f, 1.0f, 1.0f});
rtc->clear({1.0f, 1.0f, 1.0f, 1.0f});
rtc->drawRect(nullptr, std::move(paint), GrAA::kNo, SkMatrix::I(),
{ 10, 10, wh-10.0f, wh-10.0f }, &GrStyle::SimpleFill());
++stats->fNumHWCreations;
auto view = rtc->readSurfaceView();
SkASSERT(view.swizzle() == lazyView.swizzle());
SkASSERT(view.origin() == lazyView.origin());
trampoline->fProxy = view.asTextureProxyRef();
return true;
}
GrSurfaceProxyView TestHelper::AccessCachedView(GrRecordingContext* rContext,
GrThreadSafeCache* threadSafeCache,
int wh,
bool failLookup, bool failFillingIn, int id,
Stats* stats) {
GrUniqueKey key;
create_key(&key, wh, id);
if (GrDirectContext* dContext = rContext->asDirectContext()) {
// The gpu thread gets priority over the recording threads. If the gpu thread is first,
// it crams a lazy proxy into the cache and then fills it in later.
auto [lazyView, trampoline] = GrThreadSafeCache::CreateLazyView(
dContext, GrColorType::kRGBA_8888, {wh, wh}, kImageOrigin, SkBackingFit::kExact);
++stats->fNumLazyCreations;
auto [view, data] = threadSafeCache->findOrAddWithData(key, lazyView);
if (view != lazyView) {
++stats->fCacheHits;
return view;
} else if (id != kNoID) {
// Make sure, in this case, that the customData stuck
SkASSERT(data);
SkDEBUGCODE(const int* cachedID = static_cast<const int*>(data->data());)
SkASSERT(*cachedID == id);
}
++stats->fCacheMisses;
if (failFillingIn) {
// Simulate something going horribly wrong at flush-time so no GrTexture is
// available to fulfill the lazy proxy.
return view;
}
if (!FillInViewOnGpu(dContext, wh, stats, lazyView, std::move(trampoline))) {
// In this case something has gone disastrously wrong so set up to drop the draw
// that needed this resource and reduce future pollution of the cache.
threadSafeCache->remove(key);
return {};
}
return view;
} else {
GrSurfaceProxyView view;
// We can "fail the lookup" to simulate a threaded race condition
if (view = threadSafeCache->find(key); !failLookup && view) {
++stats->fCacheHits;
return view;
}
++stats->fCacheMisses;
view = CreateViewOnCpu(rContext, wh, stats);
SkASSERT(view);
auto [newView, data] = threadSafeCache->addWithData(key, view);
if (view == newView && id != kNoID) {
// Make sure, in this case, that the customData stuck
SkASSERT(data);
SkDEBUGCODE(const int* cachedID = static_cast<const int*>(data->data());)
SkASSERT(*cachedID == id);
}
return newView;
}
}
// Case 1: ensure two DDL recorders share the view
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache1, reporter, ctxInfo) {
TestHelper helper(ctxInfo.directContext());
helper.accessCachedView(helper.ddlCanvas1(), kImageWH, 1);
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas1(), kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, /*id*/ 1));
helper.accessCachedView(helper.ddlCanvas2(), kImageWH, 2);
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas2(), kImageWH,
/*hits*/ 1, /*misses*/ 1, /*refs*/ 2, /*id*/ 1));
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumLazyCreations == 0);
REPORTER_ASSERT(reporter, helper.stats()->fNumHWCreations == 0);
REPORTER_ASSERT(reporter, helper.stats()->fNumSWCreations == 1);
helper.checkImage(reporter, helper.snap1());
helper.checkImage(reporter, helper.snap2());
}
// Case 2: ensure that, if the direct context version wins, it is reused by the DDL recorders
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache2, reporter, ctxInfo) {
TestHelper helper(ctxInfo.directContext());
helper.accessCachedView(helper.liveCanvas(), kImageWH, 1);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, /*id*/ 1));
helper.accessCachedView(helper.ddlCanvas1(), kImageWH, 2);
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas1(), kImageWH,
/*hits*/ 1, /*misses*/ 1, /*refs*/ 2, /*id*/ 1));
helper.accessCachedView(helper.ddlCanvas2(), kImageWH, 3);
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas2(), kImageWH,
/*hits*/ 2, /*misses*/ 1, /*refs*/ 3, /*id*/ 1));
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumLazyCreations == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumHWCreations == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumSWCreations == 0);
helper.checkImage(reporter);
helper.checkImage(reporter, helper.snap1());
helper.checkImage(reporter, helper.snap2());
}
// Case 3: ensure that, if the cpu-version wins, it is reused by the direct context
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache3, reporter, ctxInfo) {
TestHelper helper(ctxInfo.directContext());
helper.accessCachedView(helper.ddlCanvas1(), kImageWH, 1);
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas1(), kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, /*id*/ 1));
helper.accessCachedView(helper.liveCanvas(), kImageWH, 2);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), kImageWH,
/*hits*/ 1, /*misses*/ 1, /*refs*/ 2, /*id*/ 1));
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumLazyCreations == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumHWCreations == 0);
REPORTER_ASSERT(reporter, helper.stats()->fNumSWCreations == 1);
helper.checkImage(reporter);
helper.checkImage(reporter, helper.snap1());
}
// Case 4: ensure that, if two DDL recorders get in a race, they still end up sharing a single view
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache4, reporter, ctxInfo) {
TestHelper helper(ctxInfo.directContext());
helper.accessCachedView(helper.ddlCanvas1(), kImageWH, 1);
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas1(), kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, /*id*/ 1));
static const bool kFailLookup = true;
helper.accessCachedView(helper.ddlCanvas2(), kImageWH, 2, kFailLookup);
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas2(), kImageWH,
/*hits*/ 0, /*misses*/ 2, /*refs*/ 2, /*id*/ 1));
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumLazyCreations == 0);
REPORTER_ASSERT(reporter, helper.stats()->fNumHWCreations == 0);
REPORTER_ASSERT(reporter, helper.stats()->fNumSWCreations == 2);
helper.checkImage(reporter, helper.snap1());
helper.checkImage(reporter, helper.snap2());
}
// Case 4.5: check that, if a live rendering and a DDL recording get into a race, the live
// rendering takes precedence.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache4_5, reporter, ctxInfo) {
TestHelper helper(ctxInfo.directContext());
helper.accessCachedView(helper.liveCanvas(), kImageWH, 1);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, /*id*/ 1));
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumLazyCreations == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumHWCreations == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumSWCreations == 0);
static const bool kFailLookup = true;
helper.accessCachedView(helper.ddlCanvas1(), kImageWH, 2, kFailLookup);
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas1(), kImageWH,
/*hits*/ 0, /*misses*/ 2, /*refs*/ 2, /*id*/ 1));
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumLazyCreations == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumHWCreations == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumSWCreations == 1);
helper.checkImage(reporter);
helper.checkImage(reporter, helper.snap1());
}
// Case 4.75: check that, if a live rendering fails to generate the content needed to instantiate
// its lazy proxy, life goes on
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache4_75, reporter, ctxInfo) {
auto dContext = ctxInfo.directContext();
TestHelper helper(dContext);
static const bool kFailFillingIn = true;
helper.accessCachedView(helper.liveCanvas(), kImageWH, kNoID, false, kFailFillingIn);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, kNoID));
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumLazyCreations == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumHWCreations == 0);
REPORTER_ASSERT(reporter, helper.stats()->fNumSWCreations == 0);
dContext->flush();
dContext->submit(true);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 0, kNoID));
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumLazyCreations == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumHWCreations == 0);
REPORTER_ASSERT(reporter, helper.stats()->fNumSWCreations == 0);
}
// Case 5: ensure that expanding the map works (esp. wrt custom data)
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache5, reporter, ctxInfo) {
TestHelper helper(ctxInfo.directContext());
auto threadSafeCache = helper.threadSafeCache();
int size = 16;
helper.accessCachedView(helper.ddlCanvas1(), size, /*id*/ size);
size_t initialSize = threadSafeCache->approxBytesUsedForHash();
while (initialSize == threadSafeCache->approxBytesUsedForHash()) {
size *= 2;
helper.accessCachedView(helper.ddlCanvas1(), size, /*id*/ size);
}
for (int i = 16; i <= size; i *= 2) {
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas1(),
/*wh*/ i,
/*hits*/ 0,
/*misses*/ threadSafeCache->numEntries(),
/*refs*/ 1,
/*id*/ i));
}
}
// Case 6: Check on dropping refs. In particular, that the cache has its own ref to keep
// the backing resource alive and locked.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache6, reporter, ctxInfo) {
TestHelper helper(ctxInfo.directContext());
helper.accessCachedView(helper.ddlCanvas1(), kImageWH);
sk_sp<SkDeferredDisplayList> ddl1 = helper.snap1();
REPORTER_ASSERT(reporter, helper.checkView(nullptr, kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, kNoID));
helper.accessCachedView(helper.ddlCanvas2(), kImageWH);
sk_sp<SkDeferredDisplayList> ddl2 = helper.snap2();
REPORTER_ASSERT(reporter, helper.checkView(nullptr, kImageWH,
/*hits*/ 1, /*misses*/ 1, /*refs*/ 2, kNoID));
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
ddl1 = nullptr;
REPORTER_ASSERT(reporter, helper.checkView(nullptr, kImageWH,
/*hits*/ 1, /*misses*/ 1, /*refs*/ 1, kNoID));
ddl2 = nullptr;
REPORTER_ASSERT(reporter, helper.checkView(nullptr, kImageWH,
/*hits*/ 1, /*misses*/ 1, /*refs*/ 0, kNoID));
// The cache still has its ref
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.checkView(nullptr, kImageWH,
/*hits*/ 1, /*misses*/ 1, /*refs*/ 0, kNoID));
}
// Case 7: Check that invoking dropAllRefs and dropUniqueRefs directly works as expected; i.e.,
// dropAllRefs removes everything while dropUniqueRefs is more measured.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache7, reporter, ctxInfo) {
TestHelper helper(ctxInfo.directContext());
helper.accessCachedView(helper.ddlCanvas1(), kImageWH);
sk_sp<SkDeferredDisplayList> ddl1 = helper.snap1();
REPORTER_ASSERT(reporter, helper.checkView(nullptr, kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, kNoID));
helper.accessCachedView(helper.ddlCanvas2(), 2*kImageWH);
sk_sp<SkDeferredDisplayList> ddl2 = helper.snap2();
REPORTER_ASSERT(reporter, helper.checkView(nullptr, 2*kImageWH,
/*hits*/ 0, /*misses*/ 2, /*refs*/ 1, kNoID));
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 2);
helper.threadSafeCache()->dropUniqueRefs(nullptr);
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 2);
ddl1 = nullptr;
helper.threadSafeCache()->dropUniqueRefs(nullptr);
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.checkView(nullptr, 2*kImageWH,
/*hits*/ 0, /*misses*/ 2, /*refs*/ 1, kNoID));
helper.threadSafeCache()->dropAllRefs();
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 0);
ddl2 = nullptr;
}
// Case 8: This checks that GrContext::abandonContext works as expected wrt the thread
// safe cache. This simulates the case where we have one DDL that has finished
// recording but one still recording when the abandonContext fires.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache8, reporter, ctxInfo) {
TestHelper helper(ctxInfo.directContext());
helper.accessCachedView(helper.liveCanvas(), kImageWH);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, kNoID));
helper.accessCachedView(helper.ddlCanvas1(), kImageWH);
sk_sp<SkDeferredDisplayList> ddl1 = helper.snap1();
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas1(), kImageWH,
/*hits*/ 1, /*misses*/ 1, /*refs*/ 2, kNoID));
helper.accessCachedView(helper.ddlCanvas2(), kImageWH);
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas2(), kImageWH,
/*hits*/ 2, /*misses*/ 1, /*refs*/ 3, kNoID));
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumLazyCreations == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumHWCreations == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumSWCreations == 0);
ctxInfo.directContext()->abandonContext(); // This should exercise dropAllRefs
sk_sp<SkDeferredDisplayList> ddl2 = helper.snap2();
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 0);
ddl1 = nullptr;
ddl2 = nullptr;
}
// Case 9: This checks that GrContext::releaseResourcesAndAbandonContext works as expected wrt
// the thread safe cache. This simulates the case where we have one DDL that has finished
// recording but one still recording when the releaseResourcesAndAbandonContext fires.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache9, reporter, ctxInfo) {
TestHelper helper(ctxInfo.directContext());
helper.accessCachedView(helper.liveCanvas(), kImageWH);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, kNoID));
helper.accessCachedView(helper.ddlCanvas1(), kImageWH);
sk_sp<SkDeferredDisplayList> ddl1 = helper.snap1();
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas1(), kImageWH,
/*hits*/ 1, /*misses*/ 1, /*refs*/ 2, kNoID));
helper.accessCachedView(helper.ddlCanvas2(), kImageWH);
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas2(), kImageWH,
/*hits*/ 2, /*misses*/ 1, /*refs*/ 3, kNoID));
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumLazyCreations == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumHWCreations == 1);
REPORTER_ASSERT(reporter, helper.stats()->fNumSWCreations == 0);
ctxInfo.directContext()->releaseResourcesAndAbandonContext(); // This should hit dropAllRefs
sk_sp<SkDeferredDisplayList> ddl2 = helper.snap2();
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 0);
ddl1 = nullptr;
ddl2 = nullptr;
}
// Case 10: This checks that the GrContext::purgeUnlockedResources(size_t) variant works as
// expected wrt the thread safe cache. It, in particular, tests out the MRU behavior
// of the shared cache.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache10, reporter, ctxInfo) {
auto dContext = ctxInfo.directContext();
if (GrBackendApi::kOpenGL != dContext->backend()) {
// The lower-level backends have too much going on for the following simple purging
// test to work
return;
}
TestHelper helper(dContext);
helper.accessCachedView(helper.liveCanvas(), kImageWH);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, kNoID));
helper.accessCachedView(helper.ddlCanvas1(), kImageWH);
sk_sp<SkDeferredDisplayList> ddl1 = helper.snap1();
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas1(), kImageWH,
/*hits*/ 1, /*misses*/ 1, /*refs*/ 2, kNoID));
helper.accessCachedView(helper.liveCanvas(), 2*kImageWH);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), 2*kImageWH,
/*hits*/ 1, /*misses*/ 2, /*refs*/ 1, kNoID));
helper.accessCachedView(helper.ddlCanvas2(), 2*kImageWH);
sk_sp<SkDeferredDisplayList> ddl2 = helper.snap2();
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas2(), 2*kImageWH,
/*hits*/ 2, /*misses*/ 2, /*refs*/ 2, kNoID));
dContext->flush();
dContext->submit(true);
// This should clear out everything but the textures locked in the thread-safe cache
dContext->purgeUnlockedResources(false);
ddl1 = nullptr;
ddl2 = nullptr;
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 2);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), kImageWH,
/*hits*/ 2, /*misses*/ 2, /*refs*/ 0, kNoID));
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), 2*kImageWH,
/*hits*/ 2, /*misses*/ 2, /*refs*/ 0, kNoID));
// Regardless of which image is MRU, this should force the other out
size_t desiredBytes = helper.gpuSize(2*kImageWH) + helper.gpuSize(kImageWH)/2;
auto cache = dContext->priv().getResourceCache();
size_t currentBytes = cache->getResourceBytes();
SkASSERT(currentBytes >= desiredBytes);
size_t amountToPurge = currentBytes - desiredBytes;
// The 2*kImageWH texture should be MRU.
dContext->purgeUnlockedResources(amountToPurge, true);
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), 2*kImageWH,
/*hits*/ 2, /*misses*/ 2, /*refs*/ 0, kNoID));
}
// Case 11: This checks that scratch-only variant of GrContext::purgeUnlockedResources works as
// expected wrt the thread safe cache. In particular, that when 'scratchResourcesOnly'
// is true, the call has no effect on the cache.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache11, reporter, ctxInfo) {
auto dContext = ctxInfo.directContext();
TestHelper helper(dContext);
helper.accessCachedView(helper.liveCanvas(), kImageWH);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, kNoID));
helper.accessCachedView(helper.liveCanvas(), 2*kImageWH);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), 2*kImageWH,
/*hits*/ 0, /*misses*/ 2, /*refs*/ 1, kNoID));
dContext->flush();
dContext->submit(true);
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 2);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), kImageWH,
/*hits*/ 0, /*misses*/ 2, /*refs*/ 0, kNoID));
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), 2*kImageWH,
/*hits*/ 0, /*misses*/ 2, /*refs*/ 0, kNoID));
// This shouldn't remove anything from the cache
dContext->purgeUnlockedResources(/* scratchResourcesOnly */ true);
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 2);
dContext->purgeUnlockedResources(/* scratchResourcesOnly */ false);
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 0);
}
// Case 12: Test out purges caused by resetting the cache budget to 0. Note that, due to
// the how the cache operates (i.e., not directly driven by ref/unrefs) there
// needs to be an explicit kick to purge the cache.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache12, reporter, ctxInfo) {
auto dContext = ctxInfo.directContext();
TestHelper helper(dContext);
helper.accessCachedView(helper.liveCanvas(), kImageWH);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, kNoID));
helper.accessCachedView(helper.ddlCanvas1(), kImageWH);
sk_sp<SkDeferredDisplayList> ddl1 = helper.snap1();
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas1(), kImageWH,
/*hits*/ 1, /*misses*/ 1, /*refs*/ 2, kNoID));
helper.accessCachedView(helper.liveCanvas(), 2*kImageWH);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), 2*kImageWH,
/*hits*/ 1, /*misses*/ 2, /*refs*/ 1, kNoID));
dContext->flush();
dContext->submit(true);
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 2);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), kImageWH,
/*hits*/ 1, /*misses*/ 2, /*refs*/ 1, kNoID));
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), 2*kImageWH,
/*hits*/ 1, /*misses*/ 2, /*refs*/ 0, kNoID));
dContext->setResourceCacheLimit(0);
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
ddl1 = nullptr;
// Explicitly kick off the purge - it won't happen automatically on unref
dContext->performDeferredCleanup(std::chrono::milliseconds(0));
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 0);
}
// Case 13: Test out the 'msNotUsed' parameter to GrContext::performDeferredCleanup.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrThreadSafeCache13, reporter, ctxInfo) {
auto dContext = ctxInfo.directContext();
TestHelper helper(dContext);
helper.accessCachedView(helper.ddlCanvas1(), kImageWH);
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas1(), kImageWH,
/*hits*/ 0, /*misses*/ 1, /*refs*/ 1, kNoID));
sk_sp<SkDeferredDisplayList> ddl1 = helper.snap1();
std::this_thread::sleep_for(std::chrono::milliseconds(5));
auto firstTime = GrStdSteadyClock::now();
std::this_thread::sleep_for(std::chrono::milliseconds(5));
helper.accessCachedView(helper.ddlCanvas2(), 2*kImageWH);
REPORTER_ASSERT(reporter, helper.checkView(helper.ddlCanvas2(), 2*kImageWH,
/*hits*/ 0, /*misses*/ 2, /*refs*/ 1, kNoID));
sk_sp<SkDeferredDisplayList> ddl2 = helper.snap2();
ddl1 = nullptr;
ddl2 = nullptr;
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 2);
auto secondTime = GrStdSteadyClock::now();
auto msecs = std::chrono::duration_cast<std::chrono::milliseconds>(secondTime - firstTime);
dContext->performDeferredCleanup(msecs);
REPORTER_ASSERT(reporter, helper.numCacheEntries() == 1);
REPORTER_ASSERT(reporter, helper.checkView(helper.liveCanvas(), 2*kImageWH,
/*hits*/ 0, /*misses*/ 2, /*refs*/ 0, kNoID));
}
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