зеркало из https://github.com/mozilla/moz-skia.git
259 строки
8.3 KiB
C++
259 строки
8.3 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 "SkBenchmark.h"
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#include "SkCanvas.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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#if SK_SUPPORT_GPU
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#include "GrTest.h"
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#include "GrDrawTargetCaps.h"
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#endif
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enum Flags {
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kBig_Flag = 1 << 0,
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kAA_Flag = 1 << 1
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};
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#define FLAGS00 Flags(0)
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#define FLAGS01 Flags(kBig_Flag)
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#define FLAGS10 Flags(kAA_Flag)
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#define FLAGS11 Flags(kBig_Flag | kAA_Flag)
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static const int points[] = {
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10, 10, 15, 5, 20, 20,
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30, 5, 25, 20, 15, 12,
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21, 21, 30, 30, 12, 4,
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32, 28, 20, 18, 12, 10
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};
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static const int kMaxPathSize = 10;
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class HairlinePathBench : public SkBenchmark {
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public:
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HairlinePathBench(Flags flags) : fFlags(flags) {
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fPaint.setStyle(SkPaint::kStroke_Style);
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fPaint.setStrokeWidth(SkIntToScalar(0));
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}
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virtual void appendName(SkString*) = 0;
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virtual void makePath(SkPath*) = 0;
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protected:
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virtual const char* onGetName() SK_OVERRIDE {
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fName.printf("path_hairline_%s_%s_",
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fFlags & kBig_Flag ? "big" : "small",
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fFlags & kAA_Flag ? "AA" : "noAA");
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this->appendName(&fName);
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return fName.c_str();
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}
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virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
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SkPaint paint(fPaint);
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this->setupPaint(&paint);
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paint.setAntiAlias(fFlags & kAA_Flag ? true : false);
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SkPath path;
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this->makePath(&path);
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if (fFlags & kBig_Flag) {
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SkMatrix m;
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m.setScale(SkIntToScalar(3), SkIntToScalar(3));
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path.transform(m);
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}
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for (int i = 0; i < loops; i++) {
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canvas->drawPath(path, paint);
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}
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}
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private:
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SkPaint fPaint;
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SkString fName;
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Flags fFlags;
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typedef SkBenchmark INHERITED;
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};
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class LinePathBench : public HairlinePathBench {
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public:
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LinePathBench(Flags flags) : INHERITED(flags) {}
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virtual void appendName(SkString* name) SK_OVERRIDE {
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name->append("line");
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}
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virtual void makePath(SkPath* path) SK_OVERRIDE {
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SkRandom rand;
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int size = SK_ARRAY_COUNT(points);
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int hSize = size / 2;
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for (int i = 0; i < kMaxPathSize; ++i) {
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int xTrans = 10 + 40 * (i%(kMaxPathSize/2));
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int yTrans = 0;
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if (i > kMaxPathSize/2 - 1) {
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yTrans = 40;
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}
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int base1 = 2 * rand.nextULessThan(hSize);
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int base2 = 2 * rand.nextULessThan(hSize);
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int base3 = 2 * rand.nextULessThan(hSize);
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path->moveTo(SkIntToScalar(points[base1] + xTrans),
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SkIntToScalar(points[base1+1] + yTrans));
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path->lineTo(SkIntToScalar(points[base2] + xTrans),
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SkIntToScalar(points[base2+1] + yTrans));
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path->lineTo(SkIntToScalar(points[base3] + xTrans),
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SkIntToScalar(points[base3+1] + yTrans));
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}
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}
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private:
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typedef HairlinePathBench INHERITED;
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};
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class QuadPathBench : public HairlinePathBench {
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public:
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QuadPathBench(Flags flags) : INHERITED(flags) {}
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virtual void appendName(SkString* name) SK_OVERRIDE {
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name->append("quad");
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}
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virtual void makePath(SkPath* path) SK_OVERRIDE {
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SkRandom rand;
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int size = SK_ARRAY_COUNT(points);
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int hSize = size / 2;
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for (int i = 0; i < kMaxPathSize; ++i) {
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int xTrans = 10 + 40 * (i%(kMaxPathSize/2));
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int yTrans = 0;
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if (i > kMaxPathSize/2 - 1) {
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yTrans = 40;
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}
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int base1 = 2 * rand.nextULessThan(hSize);
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int base2 = 2 * rand.nextULessThan(hSize);
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int base3 = 2 * rand.nextULessThan(hSize);
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path->moveTo(SkIntToScalar(points[base1] + xTrans),
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SkIntToScalar(points[base1+1] + yTrans));
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path->quadTo(SkIntToScalar(points[base2] + xTrans),
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SkIntToScalar(points[base2+1] + yTrans),
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SkIntToScalar(points[base3] + xTrans),
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SkIntToScalar(points[base3+1] + yTrans));
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}
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}
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private:
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typedef HairlinePathBench INHERITED;
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};
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class ConicPathBench : public HairlinePathBench {
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public:
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ConicPathBench(Flags flags) : INHERITED(flags) {}
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virtual void appendName(SkString* name) SK_OVERRIDE {
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name->append("conic");
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}
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virtual void makePath(SkPath* path) SK_OVERRIDE {
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SkRandom rand;
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SkRandom randWeight;
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int size = SK_ARRAY_COUNT(points);
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int hSize = size / 2;
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for (int i = 0; i < kMaxPathSize; ++i) {
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int xTrans = 10 + 40 * (i%(kMaxPathSize/2));
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int yTrans = 0;
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if (i > kMaxPathSize/2 - 1) {
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yTrans = 40;
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}
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int base1 = 2 * rand.nextULessThan(hSize);
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int base2 = 2 * rand.nextULessThan(hSize);
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int base3 = 2 * rand.nextULessThan(hSize);
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float weight = randWeight.nextRangeF(0.0f, 2.0f);
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path->moveTo(SkIntToScalar(points[base1] + xTrans),
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SkIntToScalar(points[base1+1] + yTrans));
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path->conicTo(SkIntToScalar(points[base2] + xTrans),
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SkIntToScalar(points[base2+1] + yTrans),
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SkIntToScalar(points[base3] + xTrans),
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SkIntToScalar(points[base3+1] + yTrans),
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weight);
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}
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}
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virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
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#if SK_SUPPORT_GPU
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GrContext* context = canvas->getGrContext();
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// This is a workaround for skbug.com/2078. See also skbug.com/2033.
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if (NULL != context) {
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GrTestTarget tt;
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context->getTestTarget(&tt);
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if (tt.target()->caps()->pathRenderingSupport()) {
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return;
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}
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}
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#endif
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INHERITED::onDraw(loops, canvas);
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}
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private:
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typedef HairlinePathBench INHERITED;
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};
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class CubicPathBench : public HairlinePathBench {
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public:
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CubicPathBench(Flags flags) : INHERITED(flags) {}
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virtual void appendName(SkString* name) SK_OVERRIDE {
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name->append("cubic");
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}
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virtual void makePath(SkPath* path) SK_OVERRIDE {
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SkRandom rand;
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int size = SK_ARRAY_COUNT(points);
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int hSize = size / 2;
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for (int i = 0; i < kMaxPathSize; ++i) {
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int xTrans = 10 + 40 * (i%(kMaxPathSize/2));
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int yTrans = 0;
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if (i > kMaxPathSize/2 - 1) {
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yTrans = 40;
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}
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int base1 = 2 * rand.nextULessThan(hSize);
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int base2 = 2 * rand.nextULessThan(hSize);
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int base3 = 2 * rand.nextULessThan(hSize);
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int base4 = 2 * rand.nextULessThan(hSize);
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path->moveTo(SkIntToScalar(points[base1] + xTrans),
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SkIntToScalar(points[base1+1] + yTrans));
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path->cubicTo(SkIntToScalar(points[base2] + xTrans),
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SkIntToScalar(points[base2+1] + yTrans),
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SkIntToScalar(points[base3] + xTrans),
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SkIntToScalar(points[base3+1] + yTrans),
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SkIntToScalar(points[base4] + xTrans),
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SkIntToScalar(points[base4+1] + yTrans));
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}
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}
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private:
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typedef HairlinePathBench INHERITED;
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};
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// FLAG00 - no AA, small
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// FLAG01 - no AA, small
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// FLAG10 - AA, big
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// FLAG11 - AA, big
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DEF_BENCH( return new LinePathBench(FLAGS00); )
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DEF_BENCH( return new LinePathBench(FLAGS01); )
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DEF_BENCH( return new LinePathBench(FLAGS10); )
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DEF_BENCH( return new LinePathBench(FLAGS11); )
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DEF_BENCH( return new QuadPathBench(FLAGS00); )
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DEF_BENCH( return new QuadPathBench(FLAGS01); )
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DEF_BENCH( return new QuadPathBench(FLAGS10); )
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DEF_BENCH( return new QuadPathBench(FLAGS11); )
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// Don't have default path renderer for conics yet on GPU, so must use AA
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// DEF_BENCH( return new ConicPathBench(FLAGS00); )
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// DEF_BENCH( return new ConicPathBench(FLAGS01); )
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DEF_BENCH( return new ConicPathBench(FLAGS10); )
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DEF_BENCH( return new ConicPathBench(FLAGS11); )
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DEF_BENCH( return new CubicPathBench(FLAGS00); )
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DEF_BENCH( return new CubicPathBench(FLAGS01); )
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DEF_BENCH( return new CubicPathBench(FLAGS10); )
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DEF_BENCH( return new CubicPathBench(FLAGS11); )
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