258 lines
8.3 KiB
C++
258 lines
8.3 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "src/core/SkScalerCache.h"
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#include "bench/Benchmark.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkGraphics.h"
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#include "include/core/SkTypeface.h"
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#include "src/core/SkRemoteGlyphCache.h"
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#include "src/core/SkStrikeSpec.h"
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#include "src/core/SkTLazy.h"
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#include "src/core/SkTaskGroup.h"
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#include "src/core/SkTextBlobTrace.h"
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#include "tools/Resources.h"
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#include "tools/ToolUtils.h"
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static void do_font_stuff(SkFont* font) {
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SkPaint defaultPaint;
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for (SkScalar i = 8; i < 64; i++) {
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font->setSize(i);
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auto strikeSpec = SkStrikeSpec::MakeMask(
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*font, defaultPaint, SkSurfaceProps(0, kUnknown_SkPixelGeometry),
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SkScalerContextFlags::kNone, SkMatrix::I());
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SkPackedGlyphID glyphs['z'];
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for (int c = ' '; c < 'z'; c++) {
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glyphs[c] = SkPackedGlyphID{font->unicharToGlyph(c)};
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}
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constexpr size_t glyphCount = 'z' - ' ';
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SkSpan<const SkPackedGlyphID> glyphIDs{&glyphs[SkTo<int>(' ')], glyphCount};
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SkBulkGlyphMetricsAndImages images{strikeSpec};
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for (int lookups = 0; lookups < 10; lookups++) {
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(void)images.glyphs(glyphIDs);
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}
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}
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}
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class SkGlyphCacheBasic : public Benchmark {
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public:
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explicit SkGlyphCacheBasic(size_t cacheSize) : fCacheSize(cacheSize) { }
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protected:
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const char* onGetName() override {
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fName.printf("SkGlyphCacheBasic%dK", (int)(fCacheSize >> 10));
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return fName.c_str();
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}
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bool isSuitableFor(Backend backend) override {
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return backend == kNonRendering_Backend;
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}
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void onDraw(int loops, SkCanvas*) override {
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size_t oldCacheLimitSize = SkGraphics::GetFontCacheLimit();
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SkGraphics::SetFontCacheLimit(fCacheSize);
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SkFont font;
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font.setEdging(SkFont::Edging::kAntiAlias);
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font.setSubpixel(true);
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font.setTypeface(ToolUtils::create_portable_typeface("serif", SkFontStyle::Italic()));
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for (int work = 0; work < loops; work++) {
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do_font_stuff(&font);
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}
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SkGraphics::SetFontCacheLimit(oldCacheLimitSize);
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}
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private:
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using INHERITED = Benchmark;
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const size_t fCacheSize;
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SkString fName;
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};
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class SkGlyphCacheStressTest : public Benchmark {
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public:
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explicit SkGlyphCacheStressTest(int cacheSize) : fCacheSize(cacheSize) { }
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protected:
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const char* onGetName() override {
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fName.printf("SkGlyphCacheStressTest%dK", (int)(fCacheSize >> 10));
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return fName.c_str();
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}
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bool isSuitableFor(Backend backend) override {
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return backend == kNonRendering_Backend;
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}
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void onDraw(int loops, SkCanvas*) override {
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size_t oldCacheLimitSize = SkGraphics::GetFontCacheLimit();
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SkGraphics::SetFontCacheLimit(fCacheSize);
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sk_sp<SkTypeface> typefaces[] = {
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ToolUtils::create_portable_typeface("serif", SkFontStyle::Italic()),
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ToolUtils::create_portable_typeface("sans-serif", SkFontStyle::Italic())};
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for (int work = 0; work < loops; work++) {
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SkTaskGroup().batch(16, [&](int threadIndex) {
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SkFont font;
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font.setEdging(SkFont::Edging::kAntiAlias);
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font.setSubpixel(true);
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font.setTypeface(typefaces[threadIndex % 2]);
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do_font_stuff(&font);
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});
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}
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SkGraphics::SetFontCacheLimit(oldCacheLimitSize);
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}
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private:
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using INHERITED = Benchmark;
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const size_t fCacheSize;
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SkString fName;
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};
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DEF_BENCH( return new SkGlyphCacheBasic(256 * 1024); )
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DEF_BENCH( return new SkGlyphCacheBasic(32 * 1024 * 1024); )
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DEF_BENCH( return new SkGlyphCacheStressTest(256 * 1024); )
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DEF_BENCH( return new SkGlyphCacheStressTest(32 * 1024 * 1024); )
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namespace {
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class DiscardableManager : public SkStrikeServer::DiscardableHandleManager,
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public SkStrikeClient::DiscardableHandleManager {
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public:
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DiscardableManager() { sk_bzero(&fCacheMissCount, sizeof(fCacheMissCount)); }
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~DiscardableManager() override = default;
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// Server implementation.
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SkDiscardableHandleId createHandle() override {
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SkAutoMutexExclusive l(fMutex);
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// Handles starts as locked.
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fLockedHandles.add(++fNextHandleId);
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return fNextHandleId;
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}
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bool lockHandle(SkDiscardableHandleId id) override {
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SkAutoMutexExclusive l(fMutex);
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if (id <= fLastDeletedHandleId) return false;
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fLockedHandles.add(id);
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return true;
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}
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// Client implementation.
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bool deleteHandle(SkDiscardableHandleId id) override {
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SkAutoMutexExclusive l(fMutex);
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return id <= fLastDeletedHandleId;
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}
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void notifyCacheMiss(SkStrikeClient::CacheMissType type) override {
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SkAutoMutexExclusive l(fMutex);
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fCacheMissCount[type]++;
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}
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bool isHandleDeleted(SkDiscardableHandleId id) override {
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SkAutoMutexExclusive l(fMutex);
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return id <= fLastDeletedHandleId;
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}
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void unlockAll() {
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SkAutoMutexExclusive l(fMutex);
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fLockedHandles.reset();
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}
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void unlockAndDeleteAll() {
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SkAutoMutexExclusive l(fMutex);
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fLockedHandles.reset();
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fLastDeletedHandleId = fNextHandleId;
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}
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const SkTHashSet<SkDiscardableHandleId>& lockedHandles() const {
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SkAutoMutexExclusive l(fMutex);
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return fLockedHandles;
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}
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SkDiscardableHandleId handleCount() {
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SkAutoMutexExclusive l(fMutex);
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return fNextHandleId;
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}
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int cacheMissCount(uint32_t type) {
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SkAutoMutexExclusive l(fMutex);
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return fCacheMissCount[type];
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}
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bool hasCacheMiss() const {
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SkAutoMutexExclusive l(fMutex);
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for (uint32_t i = 0; i <= SkStrikeClient::CacheMissType::kLast; ++i) {
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if (fCacheMissCount[i] > 0) return true;
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}
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return false;
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}
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void resetCacheMissCounts() {
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SkAutoMutexExclusive l(fMutex);
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sk_bzero(&fCacheMissCount, sizeof(fCacheMissCount));
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}
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private:
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// The tests below run in parallel on multiple threads and use the same
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// process global SkStrikeCache. So the implementation needs to be
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// thread-safe.
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mutable SkMutex fMutex;
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SkDiscardableHandleId fNextHandleId = 0u;
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SkDiscardableHandleId fLastDeletedHandleId = 0u;
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SkTHashSet<SkDiscardableHandleId> fLockedHandles;
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int fCacheMissCount[SkStrikeClient::CacheMissType::kLast + 1u];
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};
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class DiffCanvasBench : public Benchmark {
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SkString fBenchName;
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std::function<std::unique_ptr<SkStreamAsset>()> fDataProvider;
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std::vector<SkTextBlobTrace::Record> fTrace;
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sk_sp<DiscardableManager> fDiscardableManager;
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SkTLazy<SkStrikeServer> fServer;
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const char* onGetName() override { return fBenchName.c_str(); }
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bool isSuitableFor(Backend b) override { return b == kNonRendering_Backend; }
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void onDraw(int loops, SkCanvas* modelCanvas) override {
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SkSurfaceProps props;
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if (modelCanvas) { modelCanvas->getProps(&props); }
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std::unique_ptr<SkCanvas> canvas = fServer->makeAnalysisCanvas(1024, 1024, props,
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nullptr, true);
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loops *= 100;
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while (loops --> 0) {
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for (const auto& record : fTrace) {
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canvas->drawTextBlob(
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record.blob.get(), record.offset.x(), record.offset.y(),record.paint);
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}
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}
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}
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void onDelayedSetup() override {
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auto stream = fDataProvider();
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fDiscardableManager = sk_make_sp<DiscardableManager>();
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fServer.init(fDiscardableManager.get());
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fTrace = SkTextBlobTrace::CreateBlobTrace(stream.get());
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}
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public:
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DiffCanvasBench(SkString n, std::function<std::unique_ptr<SkStreamAsset>()> f)
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: fBenchName(std::move(n)), fDataProvider(std::move(f)) {}
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};
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} // namespace
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Benchmark* CreateDiffCanvasBench(
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SkString name, std::function<std::unique_ptr<SkStreamAsset>()> dataSrc) {
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return new DiffCanvasBench(std::move(name), std::move(dataSrc));
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}
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DEF_BENCH( return CreateDiffCanvasBench(
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SkString("SkDiffBench-lorem_ipsum"),
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[](){ return GetResourceAsStream("diff_canvas_traces/lorem_ipsum.trace"); }));
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