/*
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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 "SkStrike.h"
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#include "Benchmark.h"
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#include "SkCanvas.h"
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#include "SkStrikeCache.h"
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#include "SkGraphics.h"
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#include "SkTaskGroup.h"
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#include "SkTypeface.h"
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#include "sk_tool_utils.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 cache = SkStrikeCache::FindOrCreateStrikeExclusive(
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*font, defaultPaint, SkSurfaceProps(0, kUnknown_SkPixelGeometry),
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SkScalerContextFlags::kNone, SkMatrix::I());
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uint16_t glyphs['z'];
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for (int c = ' '; c < 'z'; c++) {
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glyphs[c] = font->unicharToGlyph(c);
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}
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for (int lookups = 0; lookups < 10; lookups++) {
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for (int c = ' '; c < 'z'; c++) {
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const SkGlyph& g = cache->getGlyphIDMetrics(glyphs[c]);
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cache->findImage(g);
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}
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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(sk_tool_utils::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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typedef Benchmark INHERITED;
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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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{sk_tool_utils::create_portable_typeface("serif", SkFontStyle::Italic()),
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sk_tool_utils::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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typedef Benchmark INHERITED;
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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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