97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
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/*
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* Copyright 2011 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 "SkBenchmark.h"
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#include "SkBitmap.h"
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#include "SkCanvas.h"
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#include "SkColorPriv.h"
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#include "SkPaint.h"
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#include "SkRandom.h"
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#include "SkShader.h"
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#include "SkString.h"
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static int rand_pts(SkRandom& rand, SkPoint pts[4]) {
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int n = rand.nextU() & 3;
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n += 1;
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for (int i = 0; i < n; ++i) {
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pts[i].fX = rand.nextSScalar1();
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pts[i].fY = rand.nextSScalar1();
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}
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return n;
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}
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class PathIterBench : public SkBenchmark {
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SkString fName;
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SkPath fPath;
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bool fRaw;
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enum { N = SkBENCHLOOP(500) };
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public:
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PathIterBench(void* param, bool raw) : INHERITED(param) {
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fName.printf("pathiter_%s", raw ? "raw" : "consume");
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fRaw = raw;
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SkRandom rand;
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for (int i = 0; i < 1000; ++i) {
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SkPoint pts[4];
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int n = rand_pts(rand, pts);
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switch (n) {
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case 1:
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fPath.moveTo(pts[0]);
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break;
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case 2:
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fPath.lineTo(pts[1]);
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break;
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case 3:
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fPath.quadTo(pts[1], pts[2]);
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break;
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case 4:
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fPath.cubicTo(pts[1], pts[2], pts[3]);
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break;
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}
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}
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}
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protected:
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virtual const char* onGetName() SK_OVERRIDE {
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return fName.c_str();
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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if (fRaw) {
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for (int i = 0; i < N; ++i) {
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SkPath::RawIter iter(fPath);
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SkPath::Verb verb;
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SkPoint pts[4];
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while ((verb = iter.next(pts)) != SkPath::kDone_Verb);
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}
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} else {
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for (int i = 0; i < N; ++i) {
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SkPath::Iter iter(fPath, false);
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SkPath::Verb verb;
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SkPoint pts[4];
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while ((verb = iter.next(pts)) != SkPath::kDone_Verb);
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}
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}
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}
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private:
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typedef SkBenchmark INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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static SkBenchmark* F0(void* p) { return new PathIterBench(p, false); }
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static SkBenchmark* F1(void* p) { return new PathIterBench(p, true); }
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static BenchRegistry gR0(F0);
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static BenchRegistry gR1(F1);
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