1 /*
2 * Copyright 2013 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "Benchmark.h"
9 #include "SkCanvas.h"
10 #include "SkFont.h"
11 #include "SkImageSource.h"
12 #include "SkMergeImageFilter.h"
13 #include "SkSurface.h"
14
15 #define FILTER_WIDTH_SMALL SkIntToScalar(32)
16 #define FILTER_HEIGHT_SMALL SkIntToScalar(32)
17 #define FILTER_WIDTH_LARGE SkIntToScalar(256)
18 #define FILTER_HEIGHT_LARGE SkIntToScalar(256)
19
make_bitmap()20 static sk_sp<SkImage> make_bitmap() {
21 sk_sp<SkSurface> surface(SkSurface::MakeRasterN32Premul(80, 80));
22 surface->getCanvas()->clear(0x00000000);
23 SkPaint paint;
24 paint.setColor(0xFF884422);
25 SkFont font;
26 font.setSize(SkIntToScalar(96));
27 surface->getCanvas()->drawSimpleText("g", 1, kUTF8_SkTextEncoding, 15, 55, font, paint);
28 return surface->makeImageSnapshot();
29 }
30
make_checkerboard()31 static sk_sp<SkImage> make_checkerboard() {
32 sk_sp<SkSurface> surface(SkSurface::MakeRasterN32Premul(80, 80));
33 SkCanvas* canvas = surface->getCanvas();
34 canvas->clear(0x00000000);
35 SkPaint darkPaint;
36 darkPaint.setColor(0xFF804020);
37 SkPaint lightPaint;
38 lightPaint.setColor(0xFF244484);
39 for (int y = 0; y < 80; y += 16) {
40 for (int x = 0; x < 80; x += 16) {
41 canvas->save();
42 canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
43 canvas->drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint);
44 canvas->drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint);
45 canvas->drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint);
46 canvas->drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint);
47 canvas->restore();
48 }
49 }
50
51 return surface->makeImageSnapshot();
52 }
53
54 class MergeBench : public Benchmark {
55 public:
MergeBench(bool small)56 MergeBench(bool small) : fIsSmall(small), fInitialized(false) { }
57
58 protected:
onGetName()59 const char* onGetName() override {
60 return fIsSmall ? "merge_small" : "merge_large";
61 }
62
onDelayedSetup()63 void onDelayedSetup() override {
64 if (!fInitialized) {
65 fImage = make_bitmap();
66 fCheckerboard = make_checkerboard();
67 fInitialized = true;
68 }
69 }
70
onDraw(int loops,SkCanvas * canvas)71 void onDraw(int loops, SkCanvas* canvas) override {
72 SkRect r = fIsSmall ? SkRect::MakeWH(FILTER_WIDTH_SMALL, FILTER_HEIGHT_SMALL) :
73 SkRect::MakeWH(FILTER_WIDTH_LARGE, FILTER_HEIGHT_LARGE);
74 SkPaint paint;
75 paint.setImageFilter(this->mergeBitmaps());
76 for (int i = 0; i < loops; i++) {
77 canvas->drawRect(r, paint);
78 }
79 }
80
81 private:
mergeBitmaps()82 sk_sp<SkImageFilter> mergeBitmaps() {
83 return SkMergeImageFilter::Make(SkImageSource::Make(fCheckerboard),
84 SkImageSource::Make(fImage));
85 }
86
87 bool fIsSmall;
88 bool fInitialized;
89 sk_sp<SkImage> fImage, fCheckerboard;
90
91 typedef Benchmark INHERITED;
92 };
93
94 ///////////////////////////////////////////////////////////////////////////////
95
96 DEF_BENCH( return new MergeBench(true); )
97 DEF_BENCH( return new MergeBench(false); )
98