skia2/bench/BlendmodeBench.cpp
Mike Reed bfa23d7d87 update blendmode bench
Bug: skia:
Change-Id: Id47fedd9e346035af0f14b9a9c171c79eec0d9cd
Reviewed-on: https://skia-review.googlesource.com/21407
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2017-07-04 16:47:29 +00:00

107 lines
3.2 KiB
C++

/*
* 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 "SkBlendModePriv.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkRandom.h"
#include "SkString.h"
// Benchmark that draws non-AA rects or AA text with an SkXfermode::Mode.
class XfermodeBench : public Benchmark {
public:
XfermodeBench(SkBlendMode mode, bool aa) : fBlendMode(mode) {
fAA = aa;
fName.printf("blendmode_%s_%s", aa ? "mask" : "rect", SkBlendMode_Name(mode));
}
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->getBaseLayerSize();
SkRandom random;
for (int i = 0; i < loops; ++i) {
SkPaint paint;
paint.setBlendMode(fBlendMode);
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:
SkBlendMode fBlendMode;
SkString fName;
bool fAA;
typedef Benchmark INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
#define BENCH(...) \
DEF_BENCH( return new XfermodeBench(__VA_ARGS__, true); ) \
DEF_BENCH( return new XfermodeBench(__VA_ARGS__, false); )
BENCH(SkBlendMode::kClear)
BENCH(SkBlendMode::kSrc)
BENCH(SkBlendMode::kDst)
BENCH(SkBlendMode::kSrcOver)
BENCH(SkBlendMode::kDstOver)
BENCH(SkBlendMode::kSrcIn)
BENCH(SkBlendMode::kDstIn)
BENCH(SkBlendMode::kSrcOut)
BENCH(SkBlendMode::kDstOut)
BENCH(SkBlendMode::kSrcATop)
BENCH(SkBlendMode::kDstATop)
BENCH(SkBlendMode::kXor)
BENCH(SkBlendMode::kPlus)
BENCH(SkBlendMode::kModulate)
BENCH(SkBlendMode::kScreen)
BENCH(SkBlendMode::kOverlay)
BENCH(SkBlendMode::kDarken)
BENCH(SkBlendMode::kLighten)
BENCH(SkBlendMode::kColorDodge)
BENCH(SkBlendMode::kColorBurn)
BENCH(SkBlendMode::kHardLight)
BENCH(SkBlendMode::kSoftLight)
BENCH(SkBlendMode::kDifference)
BENCH(SkBlendMode::kExclusion)
BENCH(SkBlendMode::kMultiply)
BENCH(SkBlendMode::kHue)
BENCH(SkBlendMode::kSaturation)
BENCH(SkBlendMode::kColor)
BENCH(SkBlendMode::kLuminosity)