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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "Benchmark.h" | 8 #include "Benchmark.h" |
9 #include "SkBlurMask.h" | 9 #include "SkBlurMask.h" |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
11 #include "SkPaint.h" | 11 #include "SkPaint.h" |
12 #include "SkRandom.h" | 12 #include "SkRandom.h" |
13 #include "SkShader.h" | 13 #include "SkShader.h" |
14 #include "SkString.h" | 14 #include "SkString.h" |
15 | 15 |
16 class BitmapScaleBench: public Benchmark { | 16 class BitmapFractionalBench: public Benchmark { |
17 int fLoopCount; | |
18 int fInputSize; | 17 int fInputSize; |
19 int fOutputSize; | 18 int fOutputSize; |
20 SkString fName; | |
21 | 19 |
22 public: | 20 public: |
23 BitmapScaleBench( int is, int os) { | 21 BitmapFractionalBench( int is ) { |
24 fInputSize = is; | 22 fInputSize = is; |
25 fOutputSize = os; | 23 fOutputSize = 2*is; |
26 | |
27 fLoopCount = 20; | |
28 } | 24 } |
29 | 25 |
30 protected: | 26 protected: |
31 | 27 |
32 SkBitmap fInputBitmap, fOutputBitmap; | 28 SkBitmap fInputBitmap, fOutputBitmap; |
33 SkMatrix fMatrix; | 29 SkMatrix fMatrix; |
34 | 30 |
35 virtual const char* onGetName() { | 31 virtual const char* onGetName() { |
36 return fName.c_str(); | 32 return "bitmap_fractional_bench"; |
37 } | 33 } |
38 | 34 |
39 int inputSize() const { | 35 int inputSize() const { |
40 return fInputSize; | 36 return fInputSize; |
41 } | 37 } |
42 | 38 |
43 int outputSize() const { | 39 int outputSize() const { |
44 return fOutputSize; | 40 return fOutputSize; |
45 } | 41 } |
46 | 42 |
47 float scale() const { | |
48 return float(outputSize())/inputSize(); | |
49 } | |
50 | |
51 SkIPoint onGetSize() SK_OVERRIDE { | 43 SkIPoint onGetSize() SK_OVERRIDE { |
52 return SkIPoint::Make( fOutputSize, fOutputSize ); | 44 return SkIPoint::Make( fOutputSize, fOutputSize ); |
53 } | 45 } |
54 | 46 |
55 void setName(const char * name) { | |
56 fName.printf( "bitmap_scale_%s_%d_%d", name, fInputSize, fOutputSize ); | |
57 } | |
58 | |
59 virtual void onPreDraw() { | 47 virtual void onPreDraw() { |
60 fInputBitmap.allocN32Pixels(fInputSize, fInputSize, true); | 48 fInputBitmap.allocN32Pixels(fInputSize, fInputSize, true); |
61 fInputBitmap.eraseColor(SK_ColorWHITE); | 49 fInputBitmap.eraseColor(SK_ColorWHITE); |
62 | 50 |
63 fOutputBitmap.allocN32Pixels(fOutputSize, fOutputSize, true); | 51 fOutputBitmap.allocN32Pixels(fOutputSize, fOutputSize, true); |
64 | |
65 fMatrix.setScale( scale(), scale() ); | |
66 } | 52 } |
67 | 53 |
68 virtual void onDraw(const int loops, SkCanvas*) { | 54 virtual void onDraw(const int loops, SkCanvas*) { |
69 SkPaint paint; | 55 SkPaint paint; |
70 this->setupPaint(&paint); | 56 this->setupPaint(&paint); |
71 | 57 |
72 preBenchSetup(); | 58 preBenchSetup(); |
73 | 59 |
60 SkCanvas canvas( fOutputBitmap ); | |
61 paint.setFilterLevel(SkPaint::kHigh_FilterLevel); | |
62 fInputBitmap.notifyPixelsChanged(); | |
63 | |
74 for (int i = 0; i < loops; i++) { | 64 for (int i = 0; i < loops; i++) { |
75 doScaleImage(); | 65 // re-scale the image by a variety of close, fractional scales |
66 for (int j = 0 ; j < 10 ; j++) { | |
67 fMatrix = SkMatrix::I(); | |
68 fMatrix.setScale( 1 + j/3.f, 1 + j/3.f ); | |
69 canvas.drawBitmapMatrix( fInputBitmap, fMatrix, &paint ); | |
70 } | |
71 // Now try some fractional translates | |
72 for (int j = 0 ; j < 10 ; j++) { | |
73 fMatrix = SkMatrix::I(); | |
74 fMatrix.setTranslate( j/3.f, j/3.f ); | |
75 canvas.drawBitmapMatrix( fInputBitmap, fMatrix, &paint ); | |
76 } | |
77 // Finally, some fractional translates with non-identity scale. | |
78 for (int j = 0 ; j < 10 ; j++) { | |
79 fMatrix = SkMatrix::I(); | |
80 fMatrix.setTranslate( j/3.f, j/3.f ); | |
81 fMatrix.preScale( 1.5, 1.5 ); | |
reed1
2014/08/25 17:10:15
may get some warnings of double->float here.
| |
82 canvas.drawBitmapMatrix( fInputBitmap, fMatrix, &paint ); | |
83 } | |
76 } | 84 } |
77 } | 85 } |
78 | 86 |
79 virtual void doScaleImage() = 0; | |
80 virtual void preBenchSetup() {} | 87 virtual void preBenchSetup() {} |
81 private: | 88 private: |
82 typedef Benchmark INHERITED; | 89 typedef Benchmark INHERITED; |
83 }; | 90 }; |
84 | 91 |
85 class BitmapFilterScaleBench: public BitmapScaleBench { | 92 DEF_BENCH(return new BitmapFractionalBench(256);) |
86 public: | |
87 BitmapFilterScaleBench( int is, int os) : INHERITED(is, os) { | |
88 setName( "filter" ); | |
89 } | |
90 protected: | |
91 virtual void doScaleImage() SK_OVERRIDE { | |
92 SkCanvas canvas( fOutputBitmap ); | |
93 SkPaint paint; | |
94 | |
95 paint.setFilterLevel(SkPaint::kHigh_FilterLevel); | |
96 fInputBitmap.notifyPixelsChanged(); | |
97 canvas.drawBitmapMatrix( fInputBitmap, fMatrix, &paint ); | |
98 } | |
99 private: | |
100 typedef BitmapScaleBench INHERITED; | |
101 }; | |
102 | |
103 DEF_BENCH(return new BitmapFilterScaleBench(10, 90);) | |
104 DEF_BENCH(return new BitmapFilterScaleBench(30, 90);) | |
105 DEF_BENCH(return new BitmapFilterScaleBench(80, 90);) | |
106 DEF_BENCH(return new BitmapFilterScaleBench(90, 90);) | |
107 DEF_BENCH(return new BitmapFilterScaleBench(90, 80);) | |
108 DEF_BENCH(return new BitmapFilterScaleBench(90, 30);) | |
109 DEF_BENCH(return new BitmapFilterScaleBench(90, 10);) | |
110 DEF_BENCH(return new BitmapFilterScaleBench(256, 64);) | |
111 DEF_BENCH(return new BitmapFilterScaleBench(64, 256);) | |
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