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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 "SkGeometry.h" | 9 #include "SkGeometry.h" |
10 #include "SkRandom.h" | 10 #include "SkRandom.h" |
11 #include "SkRect.h" | 11 #include "SkRect.h" |
12 | 12 |
13 class GeometryBench : public Benchmark { | 13 class GeometryBench : public Benchmark { |
14 public: | 14 public: |
15 GeometryBench(const char suffix[]) : fVolatileInt(0) { | 15 GeometryBench(const char suffix[]) : fVolatileInt(0) { |
16 fName.printf("geo_%s", suffix); | 16 fName.printf("geo_%s", suffix); |
17 } | 17 } |
18 | 18 |
19 virtual const char* onGetName() SK_OVERRIDE { | 19 const char* onGetName() SK_OVERRIDE { |
20 return fName.c_str(); | 20 return fName.c_str(); |
21 } | 21 } |
22 | 22 |
23 virtual bool isSuitableFor(Backend backend) SK_OVERRIDE { | 23 bool isSuitableFor(Backend backend) SK_OVERRIDE { |
24 return kNonRendering_Backend == backend; | 24 return kNonRendering_Backend == backend; |
25 } | 25 } |
26 | 26 |
27 protected: | 27 protected: |
28 volatile int fVolatileInt; | 28 volatile int fVolatileInt; |
29 | 29 |
30 /** | 30 /** |
31 * Subclasses can call this to try to defeat the optimizer (with some resul
t of their | 31 * Subclasses can call this to try to defeat the optimizer (with some resul
t of their |
32 * inner loop), since it will fool the compiler into assuming that "n" is a
ctually | 32 * inner loop), since it will fool the compiler into assuming that "n" is a
ctually |
33 * needed somewhere, and since this method is not const, the member fields
cannot | 33 * needed somewhere, and since this method is not const, the member fields
cannot |
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58 fRects[i].setXYWH(x, y, w, h); | 58 fRects[i].setXYWH(x, y, w, h); |
59 } | 59 } |
60 } | 60 } |
61 }; | 61 }; |
62 | 62 |
63 class GeoRectBench_intersect : public GeoRectBench { | 63 class GeoRectBench_intersect : public GeoRectBench { |
64 public: | 64 public: |
65 GeoRectBench_intersect() : GeoRectBench("rect_intersect") {} | 65 GeoRectBench_intersect() : GeoRectBench("rect_intersect") {} |
66 | 66 |
67 protected: | 67 protected: |
68 virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { | 68 void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { |
69 for (int outer = 0; outer < loops; ++outer) { | 69 for (int outer = 0; outer < loops; ++outer) { |
70 int count = 0; | 70 int count = 0; |
71 for (size_t i = 0; i < SK_ARRAY_COUNT(fRects); ++i) { | 71 for (size_t i = 0; i < SK_ARRAY_COUNT(fRects); ++i) { |
72 SkRect r = fRects[0]; | 72 SkRect r = fRects[0]; |
73 count += r.intersect(fRects[i]); | 73 count += r.intersect(fRects[i]); |
74 } | 74 } |
75 this->virtualCallToFoilOptimizers(count); | 75 this->virtualCallToFoilOptimizers(count); |
76 } | 76 } |
77 } | 77 } |
78 }; | 78 }; |
79 | 79 |
80 class GeoRectBench_intersect_rect : public GeoRectBench { | 80 class GeoRectBench_intersect_rect : public GeoRectBench { |
81 public: | 81 public: |
82 GeoRectBench_intersect_rect() : GeoRectBench("rect_intersect_rect") {} | 82 GeoRectBench_intersect_rect() : GeoRectBench("rect_intersect_rect") {} |
83 | 83 |
84 protected: | 84 protected: |
85 virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { | 85 void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { |
86 for (int outer = 0; outer < loops; ++outer) { | 86 for (int outer = 0; outer < loops; ++outer) { |
87 int count = 0; | 87 int count = 0; |
88 SkRect r; | 88 SkRect r; |
89 for (size_t i = 0; i < SK_ARRAY_COUNT(fRects); ++i) { | 89 for (size_t i = 0; i < SK_ARRAY_COUNT(fRects); ++i) { |
90 count += r.intersect(fRects[0], fRects[i]); | 90 count += r.intersect(fRects[0], fRects[i]); |
91 } | 91 } |
92 this->virtualCallToFoilOptimizers(count); | 92 this->virtualCallToFoilOptimizers(count); |
93 } | 93 } |
94 } | 94 } |
95 }; | 95 }; |
96 | 96 |
97 class GeoRectBench_Intersects : public GeoRectBench { | 97 class GeoRectBench_Intersects : public GeoRectBench { |
98 public: | 98 public: |
99 GeoRectBench_Intersects() : GeoRectBench("rect_Intersects") {} | 99 GeoRectBench_Intersects() : GeoRectBench("rect_Intersects") {} |
100 | 100 |
101 protected: | 101 protected: |
102 virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { | 102 void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { |
103 for (int outer = 0; outer < loops; ++outer) { | 103 for (int outer = 0; outer < loops; ++outer) { |
104 int count = 0; | 104 int count = 0; |
105 for (size_t i = 0; i < SK_ARRAY_COUNT(fRects); ++i) { | 105 for (size_t i = 0; i < SK_ARRAY_COUNT(fRects); ++i) { |
106 count += SkRect::Intersects(fRects[0], fRects[i]); | 106 count += SkRect::Intersects(fRects[0], fRects[i]); |
107 } | 107 } |
108 this->virtualCallToFoilOptimizers(count); | 108 this->virtualCallToFoilOptimizers(count); |
109 } | 109 } |
110 } | 110 } |
111 }; | 111 }; |
112 | 112 |
113 class GeoRectBench_sort : public GeoRectBench { | 113 class GeoRectBench_sort : public GeoRectBench { |
114 public: | 114 public: |
115 GeoRectBench_sort() : GeoRectBench("rect_sort") {} | 115 GeoRectBench_sort() : GeoRectBench("rect_sort") {} |
116 | 116 |
117 protected: | 117 protected: |
118 virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { | 118 void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { |
119 for (int outer = 0; outer < loops; ++outer) { | 119 for (int outer = 0; outer < loops; ++outer) { |
120 for (size_t i = 0; i < SK_ARRAY_COUNT(fRects); ++i) { | 120 for (size_t i = 0; i < SK_ARRAY_COUNT(fRects); ++i) { |
121 fRects[i].sort(); | 121 fRects[i].sort(); |
122 } | 122 } |
123 } | 123 } |
124 } | 124 } |
125 }; | 125 }; |
126 | 126 |
127 DEF_BENCH( return new GeoRectBench_intersect; ) | 127 DEF_BENCH( return new GeoRectBench_intersect; ) |
128 DEF_BENCH( return new GeoRectBench_intersect_rect; ) | 128 DEF_BENCH( return new GeoRectBench_intersect_rect; ) |
129 DEF_BENCH( return new GeoRectBench_Intersects; ) | 129 DEF_BENCH( return new GeoRectBench_Intersects; ) |
130 | 130 |
131 DEF_BENCH( return new GeoRectBench_sort; ) | 131 DEF_BENCH( return new GeoRectBench_sort; ) |
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