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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 "SkCanvas.h"
#include "SkPaint.h"
#include "SkRandom.h"
#include "SkString.h"
#include "SkXfermode.h"
// Benchmark that draws non-AA rects or AA text with an SkXfermode::Mode.
class XfermodeBench : public Benchmark {
public:
XfermodeBench(SkXfermode::Mode mode, bool aa) {
fXfermode.reset(SkXfermode::Create(mode));
fAA = aa;
SkASSERT(fXfermode.get() || SkXfermode::kSrcOver_Mode == mode);
fName.printf("Xfermode_%s%s", SkXfermode::ModeName(mode), aa ? "_aa" : "");
}
XfermodeBench(SkXfermode* xferMode, const char* name, bool aa) {
SkASSERT(xferMode);
fXfermode.reset(xferMode);
fAA = aa;
fName.printf("Xfermode_%s%s", name, aa ? "_aa" : "");
}
protected:
const char* onGetName() override { return fName.c_str(); }
void onDraw(int loops, SkCanvas* canvas) override {
const char* text = "Hamburgefons";
size_t len = strlen(text);
SkISize size = canvas->getDeviceSize();
SkRandom random;
for (int i = 0; i < loops; ++i) {
SkPaint paint;
paint.setXfermode(fXfermode.get());
paint.setColor(random.nextU());
if (fAA) {
// Draw text to exercise AA code paths.
paint.setAntiAlias(true);
paint.setTextSize(random.nextRangeScalar(12, 96));
SkScalar x = random.nextRangeScalar(0, (SkScalar)size.fWidth),
y = random.nextRangeScalar(0, (SkScalar)size.fHeight);
for (int j = 0; j < 1000; ++j) {
canvas->drawText(text, len, x, y, paint);
}
} else {
// Draw rects to exercise non-AA code paths.
SkScalar w = random.nextRangeScalar(50, 100);
SkScalar h = random.nextRangeScalar(50, 100);
SkRect rect = SkRect::MakeXYWH(
random.nextUScalar1() * (size.fWidth - w),
random.nextUScalar1() * (size.fHeight - h),
w,
h
);
for (int j = 0; j < 1000; ++j) {
canvas->drawRect(rect, paint);
}
}
}
}
private:
SkAutoTUnref<SkXfermode> fXfermode;
SkString fName;
bool fAA;
typedef Benchmark INHERITED;
};
class XferCreateBench : public Benchmark {
public:
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
protected:
const char* onGetName() override { return "xfermode_create"; }
void onDraw(int loops, SkCanvas* canvas) override {
for (int outer = 0; outer < loops * 10; ++outer) {
for (int i = 0; i <= SkXfermode::kLastMode; ++i) {
SkXfermode* xfer = SkXfermode::Create(SkXfermode::Mode(i));
SkSafeUnref(xfer);
}
}
}
private:
typedef Benchmark INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
#define BENCH(...) \
DEF_BENCH( return new XfermodeBench(__VA_ARGS__, true); ) \
DEF_BENCH( return new XfermodeBench(__VA_ARGS__, false); )
BENCH(SkXfermode::kClear_Mode)
BENCH(SkXfermode::kSrc_Mode)
BENCH(SkXfermode::kDst_Mode)
BENCH(SkXfermode::kSrcOver_Mode)
BENCH(SkXfermode::kDstOver_Mode)
BENCH(SkXfermode::kSrcIn_Mode)
BENCH(SkXfermode::kDstIn_Mode)
BENCH(SkXfermode::kSrcOut_Mode)
BENCH(SkXfermode::kDstOut_Mode)
BENCH(SkXfermode::kSrcATop_Mode)
BENCH(SkXfermode::kDstATop_Mode)
BENCH(SkXfermode::kXor_Mode)
BENCH(SkXfermode::kPlus_Mode)
BENCH(SkXfermode::kModulate_Mode)
BENCH(SkXfermode::kScreen_Mode)
BENCH(SkXfermode::kOverlay_Mode)
BENCH(SkXfermode::kDarken_Mode)
BENCH(SkXfermode::kLighten_Mode)
BENCH(SkXfermode::kColorDodge_Mode)
BENCH(SkXfermode::kColorBurn_Mode)
BENCH(SkXfermode::kHardLight_Mode)
BENCH(SkXfermode::kSoftLight_Mode)
BENCH(SkXfermode::kDifference_Mode)
BENCH(SkXfermode::kExclusion_Mode)
BENCH(SkXfermode::kMultiply_Mode)
BENCH(SkXfermode::kHue_Mode)
BENCH(SkXfermode::kSaturation_Mode)
BENCH(SkXfermode::kColor_Mode)
BENCH(SkXfermode::kLuminosity_Mode)
DEF_BENCH(return new XferCreateBench;)
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