ee6a9919a3
SkTypeface::MakeFromName currently takes SkTypeface::Style, which is quite limited. This starts the transition to this function taking SkFontStyle instead. GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1818043002 TBR=reed He said it sounded like a good idea. Review-Url: https://codereview.chromium.org/1818043002
119 lines
3.6 KiB
C++
119 lines
3.6 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 "SkGlyphCache.h"
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#include "Benchmark.h"
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#include "SkCanvas.h"
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#include "SkGlyphCache_Globals.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(SkPaint* paint) {
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for (SkScalar i = 8; i < 64; i++) {
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paint->setTextSize(i);
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SkAutoGlyphCacheNoGamma autoCache(*paint, nullptr, nullptr);
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SkGlyphCache* cache = autoCache.getCache();
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uint16_t glyphs['z'];
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for (int c = ' '; c < 'z'; c++) {
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glyphs[c] = cache->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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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setSubpixelText(true);
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paint.setTypeface(sk_tool_utils::create_portable_typeface(
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"serif", SkFontStyle::FromOldStyle(SkTypeface::kItalic)));
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for (int work = 0; work < loops; work++) {
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do_font_stuff(&paint);
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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",
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SkFontStyle::FromOldStyle(SkTypeface::kItalic)),
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sk_tool_utils::create_portable_typeface("sans-serif",
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SkFontStyle::FromOldStyle(SkTypeface::kItalic))};
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for (int work = 0; work < loops; work++) {
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SkTaskGroup().batch(16, [&](int threadIndex) {
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setSubpixelText(true);
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paint.setTypeface(typefaces[threadIndex % 2]);
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do_font_stuff(&paint);
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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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