1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/*
* 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 "SkBenchmark.h"
#include "SkCanvas.h"
#include "SkShader.h"
#include "SkString.h"
#include "SkBicubicImageFilter.h"
// This bench exercises SkBicubicImageFilter, upsampling a 40x40 input to
// 100x100, 400x100, 100x400, and 400x400.
class BicubicBench : public SkBenchmark {
SkSize fScale;
SkString fName;
public:
BicubicBench(float x, float y)
: fScale(SkSize::Make(x, y)) {
fName.printf("bicubic_%gx%g",
SkScalarToFloat(fScale.fWidth), SkScalarToFloat(fScale.fHeight));
}
protected:
virtual const char* onGetName() {
return fName.c_str();
}
virtual void onDraw(const int loops, SkCanvas* canvas) {
SkPaint paint;
this->setupPaint(&paint);
paint.setAntiAlias(true);
SkRect r = SkRect::MakeWH(40, 40);
SkAutoTUnref<SkImageFilter> bicubic(SkBicubicImageFilter::CreateMitchell(fScale));
paint.setImageFilter(bicubic);
for (int i = 0; i < loops; i++) {
canvas->save();
canvas->clipRect(r);
canvas->drawOval(r, paint);
canvas->restore();
}
}
private:
typedef SkBenchmark INHERITED;
};
DEF_BENCH( return new BicubicBench(10.0f, 10.0f); )
DEF_BENCH( return new BicubicBench(2.5f, 10.0f); )
DEF_BENCH( return new BicubicBench(10.0f, 2.5f); )
DEF_BENCH( return new BicubicBench(2.5f, 2.5f); )
|
