blob: 2121e865f081f8ce5107e432bdd43ef629cbb025 [file] [log] [blame]
/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "bench/Benchmark.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkPaint.h"
#include "include/core/SkString.h"
#include "include/core/SkTileMode.h"
#include "include/effects/SkImageFilters.h"
#include "include/utils/SkRandom.h"
#include "tools/ToolUtils.h"
class MatrixConvolutionBench : public Benchmark {
public:
MatrixConvolutionBench(SkTileMode tileMode, bool convolveAlpha)
: fName(SkStringPrintf("matrixconvolution_%s%s",
ToolUtils::tilemode_name(tileMode),
convolveAlpha ? "" : "_noConvolveAlpha")) {
SkISize kernelSize = SkISize::Make(3, 3);
SkScalar kernel[9] = {
SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
SkIntToScalar( 1), SkIntToScalar(-7), SkIntToScalar( 1),
SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1),
};
SkScalar gain = 0.3f, bias = SkIntToScalar(100);
SkIPoint kernelOffset = SkIPoint::Make(1, 1);
fFilter = SkImageFilters::MatrixConvolution(kernelSize, kernel, gain, bias,
kernelOffset, tileMode, convolveAlpha, nullptr);
}
protected:
const char* onGetName() override {
return fName.c_str();
}
void onDraw(int loops, SkCanvas* canvas) override {
SkPaint paint;
this->setupPaint(&paint);
paint.setImageFilter(fFilter);
paint.setAntiAlias(true);
SkRandom rand;
for (int i = 0; i < loops; i++) {
SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400,
rand.nextUScalar1() * 400);
canvas->drawOval(r, paint);
}
}
private:
sk_sp<SkImageFilter> fFilter;
SkString fName;
typedef Benchmark INHERITED;
};
DEF_BENCH( return new MatrixConvolutionBench(SkTileMode::kClamp, true); )
DEF_BENCH( return new MatrixConvolutionBench(SkTileMode::kRepeat, true); )
DEF_BENCH( return new MatrixConvolutionBench(SkTileMode::kMirror, true); )
DEF_BENCH( return new MatrixConvolutionBench(SkTileMode::kDecal, true); )
DEF_BENCH( return new MatrixConvolutionBench(SkTileMode::kDecal, false); )