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/*
* Copyright 2017 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 "SkCanvas.h"
#include "SkPath.h"
#include "SkPathOps.h"
class ClipStrategyBench : public Benchmark {
public:
enum class Mode {
kClipPath,
kMask,
};
ClipStrategyBench(Mode mode, size_t count)
: fMode(mode)
, fCount(count)
, fName("clip_strategy_"){
if (fMode == Mode::kClipPath) {
fName.append("path_");
this->forEachClipCircle([&](float x, float y, float r) {
fClipPath.addCircle(x, y, r);
});
} else {
fName.append("mask_");
}
fName.appendf("%zu", count);
}
~ClipStrategyBench() override = default;
protected:
const char* onGetName() override {
return fName.c_str();
}
void onDraw(int loops, SkCanvas* canvas) override {
SkPaint p, srcIn;
p.setAntiAlias(true);
srcIn.setBlendMode(SkBlendMode::kSrcIn);
for (int i = 0; i < loops; ++i) {
SkAutoCanvasRestore acr(canvas, false);
if (fMode == Mode::kClipPath) {
canvas->save();
canvas->clipPath(fClipPath, true);
} else {
canvas->saveLayer(nullptr, nullptr);
this->forEachClipCircle([&](float x, float y, float r) {
canvas->drawCircle(x, y, r, p);
});
canvas->saveLayer(nullptr, &srcIn);
}
canvas->drawColor(SK_ColorGREEN);
}
}
private:
template <typename Func>
void forEachClipCircle(Func&& func) {
auto q = static_cast<float>(this->getSize().x()) / (fCount + 1);
for (size_t i = 1; i <= fCount; ++i) {
auto x = q * i;
func(x, x, q / 2);
}
}
Mode fMode;
size_t fCount;
SkString fName;
SkPath fClipPath;
typedef Benchmark INHERITED;
};
DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 1 );)
DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 5 );)
DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 10 );)
DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kClipPath, 100);)
DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 1 );)
DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 5 );)
DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 10 );)
DEF_BENCH( return new ClipStrategyBench(ClipStrategyBench::Mode::kMask, 100);)
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