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