зеркало из https://github.com/mozilla/moz-skia.git
114 строки
3.4 KiB
C++
114 строки
3.4 KiB
C++
|
|
/*
|
|
* Copyright 2011 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 "SkBitmap.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkColorPriv.h"
|
|
#include "SkPaint.h"
|
|
#include "SkRandom.h"
|
|
#include "SkString.h"
|
|
|
|
static void draw_into_bitmap(const SkBitmap& bm) {
|
|
const int w = bm.width();
|
|
const int h = bm.height();
|
|
|
|
SkCanvas canvas(bm);
|
|
SkPaint p;
|
|
p.setAntiAlias(true);
|
|
p.setColor(SK_ColorRED);
|
|
canvas.drawCircle(SkIntToScalar(w)/2, SkIntToScalar(h)/2,
|
|
SkIntToScalar(SkMin32(w, h))*3/8, p);
|
|
|
|
SkRect r;
|
|
r.set(0, 0, SkIntToScalar(w), SkIntToScalar(h));
|
|
p.setStyle(SkPaint::kStroke_Style);
|
|
p.setStrokeWidth(SkIntToScalar(4));
|
|
p.setColor(SK_ColorBLUE);
|
|
canvas.drawRect(r, p);
|
|
}
|
|
|
|
/* Variants for bitmaprect
|
|
src : entire bitmap, subset, fractional subset
|
|
dst : same size as src, diff size
|
|
paint : filter-p
|
|
*/
|
|
|
|
class BitmapRectBench : public Benchmark {
|
|
SkBitmap fBitmap;
|
|
bool fSlightMatrix;
|
|
uint8_t fAlpha;
|
|
SkPaint::FilterLevel fFilterLevel;
|
|
SkString fName;
|
|
SkRect fSrcR, fDstR;
|
|
|
|
static const int kWidth = 128;
|
|
static const int kHeight = 128;
|
|
public:
|
|
BitmapRectBench(U8CPU alpha, SkPaint::FilterLevel filterLevel,
|
|
bool slightMatrix) {
|
|
fAlpha = SkToU8(alpha);
|
|
fFilterLevel = filterLevel;
|
|
fSlightMatrix = slightMatrix;
|
|
|
|
fBitmap.setInfo(SkImageInfo::MakeN32Premul(kWidth, kHeight));
|
|
}
|
|
|
|
protected:
|
|
virtual const char* onGetName() SK_OVERRIDE {
|
|
fName.printf("bitmaprect_%02X_%sfilter_%s",
|
|
fAlpha,
|
|
SkPaint::kNone_FilterLevel == fFilterLevel ? "no" : "",
|
|
fSlightMatrix ? "trans" : "identity");
|
|
return fName.c_str();
|
|
}
|
|
|
|
virtual void onPreDraw() SK_OVERRIDE {
|
|
fBitmap.allocPixels();
|
|
fBitmap.setAlphaType(kOpaque_SkAlphaType);
|
|
fBitmap.eraseColor(SK_ColorBLACK);
|
|
draw_into_bitmap(fBitmap);
|
|
|
|
fSrcR.iset(0, 0, kWidth, kHeight);
|
|
fDstR.iset(0, 0, kWidth, kHeight);
|
|
|
|
if (fSlightMatrix) {
|
|
// want fractional translate
|
|
fDstR.offset(SK_Scalar1 / 3, SK_Scalar1 * 5 / 7);
|
|
// want enough to create a scale matrix, but not enough to scare
|
|
// off our sniffer which tries to see if the matrix is "effectively"
|
|
// translate-only.
|
|
fDstR.fRight += SK_Scalar1 / (kWidth * 60);
|
|
}
|
|
}
|
|
|
|
|
|
virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
|
|
SkRandom rand;
|
|
|
|
SkPaint paint;
|
|
this->setupPaint(&paint);
|
|
paint.setFilterLevel(fFilterLevel);
|
|
paint.setAlpha(fAlpha);
|
|
|
|
for (int i = 0; i < loops; i++) {
|
|
canvas->drawBitmapRectToRect(fBitmap, &fSrcR, fDstR, &paint);
|
|
}
|
|
}
|
|
|
|
private:
|
|
typedef Benchmark INHERITED;
|
|
};
|
|
|
|
DEF_BENCH(return new BitmapRectBench(0xFF, SkPaint::kNone_FilterLevel, false))
|
|
DEF_BENCH(return new BitmapRectBench(0x80, SkPaint::kNone_FilterLevel, false))
|
|
DEF_BENCH(return new BitmapRectBench(0xFF, SkPaint::kLow_FilterLevel, false))
|
|
DEF_BENCH(return new BitmapRectBench(0x80, SkPaint::kLow_FilterLevel, false))
|
|
|
|
DEF_BENCH(return new BitmapRectBench(0xFF, SkPaint::kNone_FilterLevel, true))
|
|
DEF_BENCH(return new BitmapRectBench(0xFF, SkPaint::kLow_FilterLevel, true))
|