1f60733fb3
This reverts commit c80ee456ad.
fix: update flutter's gn file to add guard
Change-Id: Iac5171c8475d9a862d06255dab1c6f38f10de2f2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/291361
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
486 lines
15 KiB
C++
486 lines
15 KiB
C++
/*
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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 "bench/Benchmark.h"
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#include "include/core/SkBitmap.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkPath.h"
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#include "include/core/SkString.h"
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#include "include/core/SkStrokeRec.h"
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#include "include/effects/SkDashPathEffect.h"
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#include "include/private/SkTDArray.h"
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#include "include/utils/SkRandom.h"
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/*
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* Cases to consider:
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*
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* 1. antialiasing on/off (esp. width <= 1)
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* 2. strokewidth == 0, 1, 2
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* 3. hline, vline, diagonal, rect, oval
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* 4. dots [1,1] ([N,N] where N=strokeWidth?) or arbitrary (e.g. [2,1] or [1,2,3,2])
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*/
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static void path_hline(SkPath* path) {
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path->moveTo(SkIntToScalar(10), SkIntToScalar(10));
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path->lineTo(SkIntToScalar(600), SkIntToScalar(10));
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}
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class DashBench : public Benchmark {
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protected:
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SkString fName;
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SkTDArray<SkScalar> fIntervals;
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int fWidth;
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SkPoint fPts[2];
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bool fDoClip;
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public:
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DashBench(const SkScalar intervals[], int count, int width,
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bool doClip = false) {
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fIntervals.append(count, intervals);
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for (int i = 0; i < count; ++i) {
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fIntervals[i] *= width;
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}
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fWidth = width;
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fName.printf("dash_%d_%s", width, doClip ? "clipped" : "noclip");
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fDoClip = doClip;
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fPts[0].set(SkIntToScalar(10), SkIntToScalar(10));
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fPts[1].set(SkIntToScalar(600), SkIntToScalar(10));
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}
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virtual void makePath(SkPath* path) {
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path_hline(path);
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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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SkPaint paint;
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this->setupPaint(&paint);
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setStrokeWidth(SkIntToScalar(fWidth));
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paint.setAntiAlias(false);
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SkPath path;
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this->makePath(&path);
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paint.setPathEffect(SkDashPathEffect::Make(fIntervals.begin(), fIntervals.count(), 0));
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if (fDoClip) {
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SkRect r = path.getBounds();
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r.inset(-SkIntToScalar(20), -SkIntToScalar(20));
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// now move it so we don't intersect
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r.offset(0, r.height() * 3 / 2);
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canvas->clipRect(r);
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}
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this->handlePath(canvas, path, paint, loops);
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}
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virtual void handlePath(SkCanvas* canvas, const SkPath& path,
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const SkPaint& paint, int N) {
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for (int i = 0; i < N; ++i) {
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// canvas->drawPoints(SkCanvas::kLines_PointMode, 2, fPts, paint);
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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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typedef Benchmark INHERITED;
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};
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class RectDashBench : public DashBench {
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public:
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RectDashBench(const SkScalar intervals[], int count, int width)
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: INHERITED(intervals, count, width) {
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fName.append("_rect");
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}
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protected:
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virtual void handlePath(SkCanvas* canvas, const SkPath& path,
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const SkPaint& paint, int N) override {
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SkPoint pts[2];
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if (!path.isLine(pts) || pts[0].fY != pts[1].fY) {
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this->INHERITED::handlePath(canvas, path, paint, N);
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} else {
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SkRect rect;
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rect.fLeft = pts[0].fX;
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rect.fTop = pts[0].fY - paint.getStrokeWidth() / 2;
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rect.fRight = rect.fLeft + SkIntToScalar(fWidth);
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rect.fBottom = rect.fTop + paint.getStrokeWidth();
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SkPaint p(paint);
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p.setStyle(SkPaint::kFill_Style);
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p.setPathEffect(nullptr);
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int count = SkScalarRoundToInt((pts[1].fX - pts[0].fX) / (2*fWidth));
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SkScalar dx = SkIntToScalar(2 * fWidth);
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for (int i = 0; i < N*10; ++i) {
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SkRect r = rect;
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for (int j = 0; j < count; ++j) {
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canvas->drawRect(r, p);
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r.offset(dx, 0);
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}
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}
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}
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}
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private:
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typedef DashBench INHERITED;
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};
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static void make_unit_star(SkPath* path, int n) {
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SkScalar rad = -SK_ScalarPI / 2;
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const SkScalar drad = (n >> 1) * SK_ScalarPI * 2 / n;
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path->moveTo(0, -SK_Scalar1);
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for (int i = 1; i < n; i++) {
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rad += drad;
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path->lineTo(SkScalarCos(rad), SkScalarSin(rad));
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}
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path->close();
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}
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static void make_poly(SkPath* path) {
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make_unit_star(path, 9);
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const SkMatrix matrix = SkMatrix::Scale(100, 100);
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path->transform(matrix);
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}
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static void make_quad(SkPath* path) {
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SkScalar x0 = SkIntToScalar(10);
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SkScalar y0 = SkIntToScalar(10);
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path->moveTo(x0, y0);
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path->quadTo(x0, y0 + 400 * SK_Scalar1,
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x0 + 600 * SK_Scalar1, y0 + 400 * SK_Scalar1);
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}
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static void make_cubic(SkPath* path) {
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SkScalar x0 = SkIntToScalar(10);
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SkScalar y0 = SkIntToScalar(10);
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path->moveTo(x0, y0);
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path->cubicTo(x0, y0 + 400 * SK_Scalar1,
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x0 + 600 * SK_Scalar1, y0 + 400 * SK_Scalar1,
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x0 + 600 * SK_Scalar1, y0);
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}
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class MakeDashBench : public Benchmark {
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SkString fName;
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SkPath fPath;
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sk_sp<SkPathEffect> fPE;
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public:
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MakeDashBench(void (*proc)(SkPath*), const char name[]) {
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fName.printf("makedash_%s", name);
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proc(&fPath);
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SkScalar vals[] = { SkIntToScalar(4), SkIntToScalar(4) };
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fPE = SkDashPathEffect::Make(vals, 2, 0);
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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*) override {
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SkPath dst;
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for (int i = 0; i < loops; ++i) {
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SkStrokeRec rec(SkStrokeRec::kHairline_InitStyle);
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fPE->filterPath(&dst, fPath, &rec, nullptr);
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dst.rewind();
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}
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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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* We try to special case square dashes (intervals are equal to strokewidth).
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*/
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class DashLineBench : public Benchmark {
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SkString fName;
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SkScalar fStrokeWidth;
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bool fIsRound;
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sk_sp<SkPathEffect> fPE;
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public:
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DashLineBench(SkScalar width, bool isRound) {
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fName.printf("dashline_%g_%s", SkScalarToFloat(width), isRound ? "circle" : "square");
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fStrokeWidth = width;
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fIsRound = isRound;
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SkScalar vals[] = { SK_Scalar1, SK_Scalar1 };
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fPE = SkDashPathEffect::Make(vals, 2, 0);
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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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SkPaint paint;
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this->setupPaint(&paint);
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paint.setStrokeWidth(fStrokeWidth);
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paint.setStrokeCap(fIsRound ? SkPaint::kRound_Cap : SkPaint::kSquare_Cap);
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paint.setPathEffect(fPE);
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for (int i = 0; i < loops; ++i) {
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canvas->drawLine(10 * SK_Scalar1, 10 * SK_Scalar1,
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640 * SK_Scalar1, 10 * SK_Scalar1, paint);
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}
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}
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private:
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typedef Benchmark INHERITED;
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};
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class DrawPointsDashingBench : public Benchmark {
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SkString fName;
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int fStrokeWidth;
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bool fDoAA;
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sk_sp<SkPathEffect> fPathEffect;
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public:
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DrawPointsDashingBench(int dashLength, int strokeWidth, bool doAA)
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{
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fName.printf("drawpointsdash_%d_%d%s", dashLength, strokeWidth, doAA ? "_aa" : "_bw");
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fStrokeWidth = strokeWidth;
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fDoAA = doAA;
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SkScalar vals[] = { SkIntToScalar(dashLength), SkIntToScalar(dashLength) };
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fPathEffect = SkDashPathEffect::Make(vals, 2, SK_Scalar1);
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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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SkPaint p;
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this->setupPaint(&p);
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p.setColor(SK_ColorBLACK);
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p.setStyle(SkPaint::kStroke_Style);
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p.setStrokeWidth(SkIntToScalar(fStrokeWidth));
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p.setPathEffect(fPathEffect);
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p.setAntiAlias(fDoAA);
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SkPoint pts[2] = {
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{ SkIntToScalar(10), 0 },
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{ SkIntToScalar(640), 0 }
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};
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for (int i = 0; i < loops; ++i) {
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pts[0].fY = pts[1].fY = SkIntToScalar(i % 480);
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canvas->drawPoints(SkCanvas::kLines_PointMode, 2, pts, p);
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}
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}
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private:
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typedef Benchmark INHERITED;
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};
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// Want to test how we handle dashing when 99% of the dash is clipped out
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class GiantDashBench : public Benchmark {
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SkString fName;
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SkScalar fStrokeWidth;
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SkPoint fPts[2];
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sk_sp<SkPathEffect> fPathEffect;
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public:
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enum LineType {
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kHori_LineType,
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kVert_LineType,
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kDiag_LineType,
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kLineTypeCount
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};
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static const char* LineTypeName(LineType lt) {
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static const char* gNames[] = { "hori", "vert", "diag" };
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static_assert(kLineTypeCount == SK_ARRAY_COUNT(gNames), "names_wrong_size");
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return gNames[lt];
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}
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GiantDashBench(LineType lt, SkScalar width) {
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fName.printf("giantdashline_%s_%g", LineTypeName(lt), width);
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fStrokeWidth = width;
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// deliberately pick intervals that won't be caught by asPoints(), so
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// we can test the filterPath code-path.
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const SkScalar intervals[] = { 20, 10, 10, 10 };
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fPathEffect = SkDashPathEffect::Make(intervals, SK_ARRAY_COUNT(intervals), 0);
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SkScalar cx = 640 / 2; // center X
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SkScalar cy = 480 / 2; // center Y
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SkMatrix matrix;
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switch (lt) {
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case kHori_LineType:
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matrix.setIdentity();
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break;
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case kVert_LineType:
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matrix.setRotate(90, cx, cy);
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break;
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case kDiag_LineType:
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matrix.setRotate(45, cx, cy);
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break;
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case kLineTypeCount:
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// Not a real enum value.
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break;
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}
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const SkScalar overshoot = 100*1000;
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const SkPoint pts[2] = {
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{ -overshoot, cy }, { 640 + overshoot, cy }
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};
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matrix.mapPoints(fPts, pts, 2);
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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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SkPaint p;
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this->setupPaint(&p);
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p.setStyle(SkPaint::kStroke_Style);
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p.setStrokeWidth(fStrokeWidth);
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p.setPathEffect(fPathEffect);
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for (int i = 0; i < loops; i++) {
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canvas->drawPoints(SkCanvas::kLines_PointMode, 2, fPts, p);
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}
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}
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private:
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typedef Benchmark INHERITED;
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};
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// Want to test how we draw a dashed grid (like what is used in spreadsheets) of many
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// small dashed lines switching back and forth between horizontal and vertical
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class DashGridBench : public Benchmark {
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SkString fName;
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int fStrokeWidth;
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bool fDoAA;
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sk_sp<SkPathEffect> fPathEffect;
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public:
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DashGridBench(int dashLength, int strokeWidth, bool doAA) {
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fName.printf("dashgrid_%d_%d%s", dashLength, strokeWidth, doAA ? "_aa" : "_bw");
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fStrokeWidth = strokeWidth;
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fDoAA = doAA;
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SkScalar vals[] = { SkIntToScalar(dashLength), SkIntToScalar(dashLength) };
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fPathEffect = SkDashPathEffect::Make(vals, 2, SK_Scalar1);
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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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SkPaint p;
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this->setupPaint(&p);
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p.setColor(SK_ColorBLACK);
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p.setStyle(SkPaint::kStroke_Style);
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p.setStrokeWidth(SkIntToScalar(fStrokeWidth));
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p.setPathEffect(fPathEffect);
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p.setAntiAlias(fDoAA);
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SkPoint pts[4] = {
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{ SkIntToScalar(0), 20.5f },
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{ SkIntToScalar(20), 20.5f },
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{ 20.5f, SkIntToScalar(0) },
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{ 20.5f, SkIntToScalar(20) }
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};
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for (int i = 0; i < loops; ++i) {
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for (int j = 0; j < 10; ++j) {
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for (int k = 0; k < 10; ++k) {
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// Horizontal line
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SkPoint horPts[2];
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horPts[0].fX = pts[0].fX + k * 22.f;
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horPts[0].fY = pts[0].fY + j * 22.f;
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horPts[1].fX = pts[1].fX + k * 22.f;
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horPts[1].fY = pts[1].fY + j * 22.f;
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canvas->drawPoints(SkCanvas::kLines_PointMode, 2, horPts, p);
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// Vertical line
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SkPoint vertPts[2];
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vertPts[0].fX = pts[2].fX + k * 22.f;
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vertPts[0].fY = pts[2].fY + j * 22.f;
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vertPts[1].fX = pts[3].fX + k * 22.f;
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vertPts[1].fY = pts[3].fY + j * 22.f;
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canvas->drawPoints(SkCanvas::kLines_PointMode, 2, vertPts, p);
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}
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}
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}
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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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static const SkScalar gDots[] = { SK_Scalar1, SK_Scalar1 };
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#define PARAM(array) array, SK_ARRAY_COUNT(array)
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DEF_BENCH( return new DashBench(PARAM(gDots), 0); )
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DEF_BENCH( return new DashBench(PARAM(gDots), 1); )
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DEF_BENCH( return new DashBench(PARAM(gDots), 1, true); )
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DEF_BENCH( return new DashBench(PARAM(gDots), 4); )
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DEF_BENCH( return new MakeDashBench(make_poly, "poly"); )
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DEF_BENCH( return new MakeDashBench(make_quad, "quad"); )
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DEF_BENCH( return new MakeDashBench(make_cubic, "cubic"); )
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DEF_BENCH( return new DashLineBench(0, false); )
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DEF_BENCH( return new DashLineBench(SK_Scalar1, false); )
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DEF_BENCH( return new DashLineBench(2 * SK_Scalar1, false); )
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DEF_BENCH( return new DashLineBench(0, true); )
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DEF_BENCH( return new DashLineBench(SK_Scalar1, true); )
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DEF_BENCH( return new DashLineBench(2 * SK_Scalar1, true); )
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DEF_BENCH( return new DrawPointsDashingBench(1, 1, false); )
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DEF_BENCH( return new DrawPointsDashingBench(1, 1, true); )
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DEF_BENCH( return new DrawPointsDashingBench(3, 1, false); )
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DEF_BENCH( return new DrawPointsDashingBench(3, 1, true); )
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DEF_BENCH( return new DrawPointsDashingBench(5, 5, false); )
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DEF_BENCH( return new DrawPointsDashingBench(5, 5, true); )
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/* Disable the GiantDashBench for Android devices until we can better control
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* the memory usage. (https://code.google.com/p/skia/issues/detail?id=1430)
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*/
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#ifndef SK_BUILD_FOR_ANDROID
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DEF_BENCH( return new GiantDashBench(GiantDashBench::kHori_LineType, 0); )
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DEF_BENCH( return new GiantDashBench(GiantDashBench::kVert_LineType, 0); )
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DEF_BENCH( return new GiantDashBench(GiantDashBench::kDiag_LineType, 0); )
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// pass 2 to explicitly avoid any 1-is-the-same-as-hairline special casing
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// hori_2 is just too slow to enable at the moment
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DEF_BENCH( return new GiantDashBench(GiantDashBench::kHori_LineType, 2); )
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DEF_BENCH( return new GiantDashBench(GiantDashBench::kVert_LineType, 2); )
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DEF_BENCH( return new GiantDashBench(GiantDashBench::kDiag_LineType, 2); )
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DEF_BENCH( return new DashGridBench(1, 1, true); )
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DEF_BENCH( return new DashGridBench(1, 1, false); )
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DEF_BENCH( return new DashGridBench(3, 1, true); )
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DEF_BENCH( return new DashGridBench(3, 1, false); )
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#endif
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