skia2/bench/SkGlyphCacheBench.cpp
Herb Derby 36a54c1b1a Rename SkStrikeSpecStorage -> SkStrikeSpec
SkStrikeSpecStorage was a temporary name until all uses of
SkStrikeSpec were cleaned up. Do the final rename.

Change-Id: Iaba987ecdfe46ca9eee8d530d5095840cdca300d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/219209
Reviewed-by: Herb Derby <herb@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Herb Derby <herb@google.com>
2019-06-06 18:01:02 +00:00

119 lines
3.7 KiB
C++

/*
* 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/SkStrike.h"
#include "bench/Benchmark.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkGraphics.h"
#include "include/core/SkTypeface.h"
#include "src/core/SkStrikeCache.h"
#include "src/core/SkStrikeSpec.h"
#include "src/core/SkTaskGroup.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());
auto cache = strikeSpec.findOrCreateExclusiveStrike();
uint16_t glyphs['z'];
for (int c = ' '; c < 'z'; c++) {
glyphs[c] = font->unicharToGlyph(c);
}
for (int lookups = 0; lookups < 10; lookups++) {
for (int c = ' '; c < 'z'; c++) {
const SkGlyph& g = cache->getGlyphIDMetrics(glyphs[c]);
cache->findImage(g);
}
}
}
}
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:
typedef Benchmark INHERITED;
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:
typedef Benchmark INHERITED;
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); )