skia2/bench/CoverageBench.cpp

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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Benchmark.h"
#include "SkAutoPixmapStorage.h"
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkColorPriv.h"
#include "SkDraw.h"
#include "SkMatrix.h"
#include "SkPath.h"
#include "SkRasterClip.h"
class DrawPathBench : public Benchmark {
SkPaint fPaint;
SkString fName;
SkPath fPath;
SkRasterClip fRC;
SkAutoPixmapStorage fPixmap;
SkMatrix fIdentity;
SkDraw fDraw;
bool fDrawCoverage;
public:
DrawPathBench(bool drawCoverage) : fDrawCoverage(drawCoverage) {
fPaint.setAntiAlias(true);
fName.printf("draw_coverage_%s", drawCoverage ? "true" : "false");
fPath.moveTo(0, 0);
fPath.quadTo(500, 0, 500, 500);
fPath.quadTo(250, 0, 0, 500);
fPixmap.alloc(SkImageInfo::MakeA8(500, 500));
if (!drawCoverage) {
// drawPathCoverage() goes out of its way to work fine with an uninitialized
// dst buffer, even in "SrcOver" mode, but ordinary drawing sure doesn't.
fPixmap.erase(0);
}
fIdentity.setIdentity();
fRC.setRect(fPath.getBounds().round());
fDraw.fDst = fPixmap;
fDraw.fMatrix = &fIdentity;
fDraw.fRC = &fRC;
}
protected:
const char* onGetName() override {
return fName.c_str();
}
void onDraw(int loops, SkCanvas* canvas) override {
if (fDrawCoverage) {
for (int i = 0; i < loops; ++i) {
fDraw.drawPathCoverage(fPath, fPaint);
}
} else {
for (int i = 0; i < loops; ++i) {
fDraw.drawPath(fPath, fPaint);
}
}
}
private:
typedef Benchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new DrawPathBench(false) )
DEF_BENCH( return new DrawPathBench(true) )