569dda7216
Bug: skia: Change-Id: I197addb0ea1da57083283b30e19e290cdaf8dac6 Reviewed-on: https://skia-review.googlesource.com/c/188581 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com> Auto-Submit: Mike Reed <reed@google.com>
86 lines
2.5 KiB
C++
86 lines
2.5 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 "Benchmark.h"
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#include "SkCanvas.h"
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#include "SkFont.h"
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#include "SkTypeface.h"
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enum {
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NGLYPHS = 100
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};
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typedef void (*TypefaceProc)(int loops, const SkFont&, const void* text, size_t len,
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int glyphCount);
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static void textToGlyphs_proc(int loops, const SkFont& font, const void* text, size_t len,
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int glyphCount) {
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uint16_t glyphs[NGLYPHS];
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SkASSERT(glyphCount <= NGLYPHS);
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for (int i = 0; i < loops; ++i) {
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font.textToGlyphs(text, len, kUTF8_SkTextEncoding, glyphs, NGLYPHS);
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}
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}
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static void charsToGlyphs_proc(int loops, const SkFont& font, const void* text,
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size_t len, int glyphCount) {
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uint16_t glyphs[NGLYPHS];
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SkASSERT(glyphCount <= NGLYPHS);
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SkTypeface* face = font.getTypefaceOrDefault();
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for (int i = 0; i < loops; ++i) {
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face->charsToGlyphs(text, SkTypeface::kUTF8_Encoding, glyphs, glyphCount);
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}
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}
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static void charsToGlyphsNull_proc(int loops, const SkFont& font, const void* text,
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size_t len, int glyphCount) {
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SkTypeface* face = font.getTypefaceOrDefault();
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for (int i = 0; i < loops; ++i) {
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face->charsToGlyphs(text, SkTypeface::kUTF8_Encoding, nullptr, glyphCount);
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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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char fText[NGLYPHS];
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SkFont fFont;
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public:
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CMAPBench(TypefaceProc proc, const char name[]) {
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fProc = proc;
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fName.printf("cmap_%s", name);
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for (int i = 0; i < NGLYPHS; ++i) {
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// we're jamming values into utf8, so we must keep it legal utf8
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fText[i] = 'A' + (i & 31);
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}
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fFont.setTypeface(SkTypeface::MakeDefault());
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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(loops, fFont, fText, sizeof(fText), NGLYPHS);
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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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DEF_BENCH( return new CMAPBench(textToGlyphs_proc, "paint_textToGlyphs"); )
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DEF_BENCH( return new CMAPBench(charsToGlyphs_proc, "face_charsToGlyphs"); )
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DEF_BENCH( return new CMAPBench(charsToGlyphsNull_proc, "face_charsToGlyphs_null"); )
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