51e15a69ce
Change-Id: I4b6259590fa0693ee0522b4999a1c0fe250b173d Reviewed-on: https://skia-review.googlesource.com/c/skia/+/212504 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Ben Wagner <bungeman@google.com>
125 lines
3.3 KiB
C++
125 lines
3.3 KiB
C++
/*
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* Copyright 2013 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 "bench/Benchmark.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkFont.h"
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#include "include/core/SkTypeface.h"
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#include "include/utils/SkRandom.h"
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#include "src/utils/SkCharToGlyphCache.h"
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#include "src/utils/SkUTF.h"
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enum {
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NGLYPHS = 100
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};
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namespace {
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struct Rec {
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const SkCharToGlyphCache& fCache;
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int fLoops;
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const SkFont& fFont;
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const SkUnichar* fText;
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int fCount;
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};
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}
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typedef void (*TypefaceProc)(const Rec& r);
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static void textToGlyphs_proc(const Rec& r) {
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uint16_t glyphs[NGLYPHS];
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SkASSERT(r.fCount <= NGLYPHS);
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for (int i = 0; i < r.fLoops; ++i) {
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r.fFont.textToGlyphs(r.fText, r.fCount*4, SkTextEncoding::kUTF32, glyphs, NGLYPHS);
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}
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}
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static void charsToGlyphs_proc(const Rec& r) {
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uint16_t glyphs[NGLYPHS];
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SkASSERT(r.fCount <= NGLYPHS);
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SkTypeface* face = r.fFont.getTypefaceOrDefault();
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for (int i = 0; i < r.fLoops; ++i) {
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face->unicharsToGlyphs(r.fText, r.fCount, glyphs);
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}
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}
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static void addcache_proc(const Rec& r) {
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for (int i = 0; i < r.fLoops; ++i) {
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SkCharToGlyphCache cache;
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for (int i = 0; i < r.fCount; ++i) {
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cache.addCharAndGlyph(r.fText[i], i);
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}
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}
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}
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static void findcache_proc(const Rec& r) {
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for (int i = 0; i < r.fLoops; ++i) {
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for (int i = 0; i < r.fCount; ++i) {
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r.fCache.findGlyphIndex(r.fText[i]);
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}
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}
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}
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class CMAPBench : public Benchmark {
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TypefaceProc fProc;
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SkString fName;
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SkUnichar fText[NGLYPHS];
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SkFont fFont;
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SkCharToGlyphCache fCache;
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int fCount;
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public:
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CMAPBench(TypefaceProc proc, const char name[], int count) {
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SkASSERT(count <= NGLYPHS);
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fProc = proc;
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fName.printf("%s_%d", name, count);
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fCount = count;
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SkRandom rand;
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for (int i = 0; i < count; ++i) {
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fText[i] = rand.nextU() & 0xFFFF;
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fCache.addCharAndGlyph(fText[i], i);
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}
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fFont.setTypeface(SkTypeface::MakeDefault());
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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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protected:
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const char* onGetName() override {
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return fName.c_str();
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}
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void onDraw(int loops, SkCanvas* canvas) override {
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fProc({fCache, loops, fFont, fText, fCount});
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}
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private:
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typedef Benchmark INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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constexpr int SMALL = 10;
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DEF_BENCH( return new CMAPBench(textToGlyphs_proc, "font_charToGlyph", SMALL); )
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DEF_BENCH( return new CMAPBench(charsToGlyphs_proc, "face_charToGlyph", SMALL); )
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DEF_BENCH( return new CMAPBench(addcache_proc, "addcache_charToGlyph", SMALL); )
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DEF_BENCH( return new CMAPBench(findcache_proc, "findcache_charToGlyph", SMALL); )
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constexpr int BIG = 100;
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DEF_BENCH( return new CMAPBench(textToGlyphs_proc, "font_charToGlyph", BIG); )
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DEF_BENCH( return new CMAPBench(charsToGlyphs_proc, "face_charToGlyph", BIG); )
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DEF_BENCH( return new CMAPBench(addcache_proc, "addcache_charToGlyph", BIG); )
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DEF_BENCH( return new CMAPBench(findcache_proc, "findcache_charToGlyph", BIG); )
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