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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 #include "Benchmark.h" | 8 #include "Benchmark.h" |
9 #include "SkMatrix.h" | 9 #include "SkMatrix.h" |
10 #include "SkMatrixUtils.h" | 10 #include "SkMatrixUtils.h" |
11 #include "SkRandom.h" | 11 #include "SkRandom.h" |
12 #include "SkString.h" | 12 #include "SkString.h" |
13 | 13 |
14 class MatrixBench : public Benchmark { | 14 class MatrixBench : public Benchmark { |
15 SkString fName; | 15 SkString fName; |
16 public: | 16 public: |
17 MatrixBench(const char name[]) { | 17 MatrixBench(const char name[]) { |
18 fName.printf("matrix_%s", name); | 18 fName.printf("matrix_%s", name); |
19 } | 19 } |
20 | 20 |
21 bool isSuitableFor(Backend backend) override { | 21 bool isSuitableFor(Backend backend) override { |
22 return backend == kNonRendering_Backend; | 22 return backend == kNonRendering_Backend; |
23 } | 23 } |
24 | 24 |
25 virtual void performTest() = 0; | 25 virtual void performTest() = 0; |
26 | 26 |
27 protected: | 27 protected: |
28 virtual int mulLoopCount() const { return 1; } | 28 virtual int mulLoopCount() const { return 1; } |
29 | 29 |
30 virtual const char* onGetName() { | 30 const char* onGetName() override { |
31 return fName.c_str(); | 31 return fName.c_str(); |
32 } | 32 } |
33 | 33 |
34 virtual void onDraw(const int loops, SkCanvas*) { | 34 void onDraw(const int loops, SkCanvas*) override { |
35 for (int i = 0; i < loops; i++) { | 35 for (int i = 0; i < loops; i++) { |
36 this->performTest(); | 36 this->performTest(); |
37 } | 37 } |
38 } | 38 } |
39 | 39 |
40 private: | 40 private: |
41 typedef Benchmark INHERITED; | 41 typedef Benchmark INHERITED; |
42 }; | 42 }; |
43 | 43 |
44 | 44 |
45 class EqualsMatrixBench : public MatrixBench { | 45 class EqualsMatrixBench : public MatrixBench { |
46 public: | 46 public: |
47 EqualsMatrixBench() : INHERITED("equals") {} | 47 EqualsMatrixBench() : INHERITED("equals") {} |
48 protected: | 48 protected: |
49 virtual void performTest() { | 49 void performTest() override { |
50 SkMatrix m0, m1, m2; | 50 SkMatrix m0, m1, m2; |
51 | 51 |
52 m0.reset(); | 52 m0.reset(); |
53 m1.reset(); | 53 m1.reset(); |
54 m2.reset(); | 54 m2.reset(); |
55 | 55 |
56 // xor into a volatile prevents these comparisons from being optimized a
way. | 56 // xor into a volatile prevents these comparisons from being optimized a
way. |
57 volatile bool junk = false; | 57 volatile bool junk = false; |
58 junk ^= (m0 == m1); | 58 junk ^= (m0 == m1); |
59 junk ^= (m1 == m2); | 59 junk ^= (m1 == m2); |
60 junk ^= (m2 == m0); | 60 junk ^= (m2 == m0); |
61 } | 61 } |
62 private: | 62 private: |
63 typedef MatrixBench INHERITED; | 63 typedef MatrixBench INHERITED; |
64 }; | 64 }; |
65 | 65 |
66 class ScaleMatrixBench : public MatrixBench { | 66 class ScaleMatrixBench : public MatrixBench { |
67 public: | 67 public: |
68 ScaleMatrixBench() : INHERITED("scale") { | 68 ScaleMatrixBench() : INHERITED("scale") { |
69 fSX = fSY = 1.5f; | 69 fSX = fSY = 1.5f; |
70 fM0.reset(); | 70 fM0.reset(); |
71 fM1.setScale(fSX, fSY); | 71 fM1.setScale(fSX, fSY); |
72 fM2.setTranslate(fSX, fSY); | 72 fM2.setTranslate(fSX, fSY); |
73 } | 73 } |
74 protected: | 74 protected: |
75 virtual void performTest() { | 75 void performTest() override { |
76 SkMatrix m; | 76 SkMatrix m; |
77 m = fM0; m.preScale(fSX, fSY); | 77 m = fM0; m.preScale(fSX, fSY); |
78 m = fM1; m.preScale(fSX, fSY); | 78 m = fM1; m.preScale(fSX, fSY); |
79 m = fM2; m.preScale(fSX, fSY); | 79 m = fM2; m.preScale(fSX, fSY); |
80 } | 80 } |
81 private: | 81 private: |
82 SkMatrix fM0, fM1, fM2; | 82 SkMatrix fM0, fM1, fM2; |
83 SkScalar fSX, fSY; | 83 SkScalar fSX, fSY; |
84 typedef MatrixBench INHERITED; | 84 typedef MatrixBench INHERITED; |
85 }; | 85 }; |
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105 fArray[4] = (float) fRnd.nextS(); | 105 fArray[4] = (float) fRnd.nextS(); |
106 fArray[5] = (float) fRnd.nextS(); | 106 fArray[5] = (float) fRnd.nextS(); |
107 fArray[6] = (float) fRnd.nextS(); | 107 fArray[6] = (float) fRnd.nextS(); |
108 fArray[7] = (float) fRnd.nextS(); | 108 fArray[7] = (float) fRnd.nextS(); |
109 fArray[8] = (float) fRnd.nextS(); | 109 fArray[8] = (float) fRnd.nextS(); |
110 } | 110 } |
111 protected: | 111 protected: |
112 // Putting random generation of the matrix inside performTest() | 112 // Putting random generation of the matrix inside performTest() |
113 // would help us avoid anomalous runs, but takes up 25% or | 113 // would help us avoid anomalous runs, but takes up 25% or |
114 // more of the function time. | 114 // more of the function time. |
115 virtual void performTest() { | 115 void performTest() override { |
116 fMatrix.setAll(fArray[0], fArray[1], fArray[2], | 116 fMatrix.setAll(fArray[0], fArray[1], fArray[2], |
117 fArray[3], fArray[4], fArray[5], | 117 fArray[3], fArray[4], fArray[5], |
118 fArray[6], fArray[7], fArray[8]); | 118 fArray[6], fArray[7], fArray[8]); |
119 // xoring into a volatile prevents the compiler from optimizing these aw
ay | 119 // xoring into a volatile prevents the compiler from optimizing these aw
ay |
120 volatile int junk = 0; | 120 volatile int junk = 0; |
121 junk ^= (fMatrix.getType()); | 121 junk ^= (fMatrix.getType()); |
122 fMatrix.dirtyMatrixTypeCache(); | 122 fMatrix.dirtyMatrixTypeCache(); |
123 junk ^= (fMatrix.getType()); | 123 junk ^= (fMatrix.getType()); |
124 fMatrix.dirtyMatrixTypeCache(); | 124 fMatrix.dirtyMatrixTypeCache(); |
125 junk ^= (fMatrix.getType()); | 125 junk ^= (fMatrix.getType()); |
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139 float fArray[9]; | 139 float fArray[9]; |
140 SkRandom fRnd; | 140 SkRandom fRnd; |
141 typedef MatrixBench INHERITED; | 141 typedef MatrixBench INHERITED; |
142 }; | 142 }; |
143 | 143 |
144 class DecomposeMatrixBench : public MatrixBench { | 144 class DecomposeMatrixBench : public MatrixBench { |
145 public: | 145 public: |
146 DecomposeMatrixBench() : INHERITED("decompose") {} | 146 DecomposeMatrixBench() : INHERITED("decompose") {} |
147 | 147 |
148 protected: | 148 protected: |
149 virtual void onPreDraw() { | 149 void onPreDraw() override { |
150 for (int i = 0; i < 10; ++i) { | 150 for (int i = 0; i < 10; ++i) { |
151 SkScalar rot0 = (fRandom.nextBool()) ? fRandom.nextRangeF(-180, 180)
: 0.0f; | 151 SkScalar rot0 = (fRandom.nextBool()) ? fRandom.nextRangeF(-180, 180)
: 0.0f; |
152 SkScalar sx = fRandom.nextRangeF(-3000.f, 3000.f); | 152 SkScalar sx = fRandom.nextRangeF(-3000.f, 3000.f); |
153 SkScalar sy = (fRandom.nextBool()) ? fRandom.nextRangeF(-3000.f, 300
0.f) : sx; | 153 SkScalar sy = (fRandom.nextBool()) ? fRandom.nextRangeF(-3000.f, 300
0.f) : sx; |
154 SkScalar rot1 = fRandom.nextRangeF(-180, 180); | 154 SkScalar rot1 = fRandom.nextRangeF(-180, 180); |
155 fMatrix[i].setRotate(rot0); | 155 fMatrix[i].setRotate(rot0); |
156 fMatrix[i].postScale(sx, sy); | 156 fMatrix[i].postScale(sx, sy); |
157 fMatrix[i].postRotate(rot1); | 157 fMatrix[i].postRotate(rot1); |
158 } | 158 } |
159 } | 159 } |
160 virtual void performTest() { | 160 void performTest() override { |
161 SkPoint rotation1, scale, rotation2; | 161 SkPoint rotation1, scale, rotation2; |
162 for (int i = 0; i < 10; ++i) { | 162 for (int i = 0; i < 10; ++i) { |
163 (void) SkDecomposeUpper2x2(fMatrix[i], &rotation1, &scale, &rotation
2); | 163 (void) SkDecomposeUpper2x2(fMatrix[i], &rotation1, &scale, &rotation
2); |
164 } | 164 } |
165 } | 165 } |
166 private: | 166 private: |
167 SkMatrix fMatrix[10]; | 167 SkMatrix fMatrix[10]; |
168 SkRandom fRandom; | 168 SkRandom fRandom; |
169 typedef MatrixBench INHERITED; | 169 typedef MatrixBench INHERITED; |
170 }; | 170 }; |
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194 } | 194 } |
195 } | 195 } |
196 enum Flag { | 196 enum Flag { |
197 kScale_Flag = 0x01, | 197 kScale_Flag = 0x01, |
198 kTranslate_Flag = 0x02, | 198 kTranslate_Flag = 0x02, |
199 kRotate_Flag = 0x04, | 199 kRotate_Flag = 0x04, |
200 kPerspective_Flag = 0x08, | 200 kPerspective_Flag = 0x08, |
201 kUncachedTypeMask_Flag = 0x10, | 201 kUncachedTypeMask_Flag = 0x10, |
202 }; | 202 }; |
203 protected: | 203 protected: |
204 virtual void performTest() { | 204 void performTest() override { |
205 if (fFlags & kUncachedTypeMask_Flag) { | 205 if (fFlags & kUncachedTypeMask_Flag) { |
206 // This will invalidate the typemask without | 206 // This will invalidate the typemask without |
207 // changing the matrix. | 207 // changing the matrix. |
208 fMatrix.setPerspX(fMatrix.getPerspX()); | 208 fMatrix.setPerspX(fMatrix.getPerspX()); |
209 } | 209 } |
210 SkMatrix inv; | 210 SkMatrix inv; |
211 bool invertible = fMatrix.invert(&inv); | 211 bool invertible = fMatrix.invert(&inv); |
212 SkASSERT(invertible); | 212 SkASSERT(invertible); |
213 SkRect transformedRect; | 213 SkRect transformedRect; |
214 // an arbitrary, small, non-zero rect to transform | 214 // an arbitrary, small, non-zero rect to transform |
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292 for (int i = 0; i < 1000000; ++i) { | 292 for (int i = 0; i < 1000000; ++i) { |
293 fM.mapPoints(fDst, fSrc, N); | 293 fM.mapPoints(fDst, fSrc, N); |
294 } | 294 } |
295 } | 295 } |
296 }; | 296 }; |
297 DEF_BENCH( return new MapPointsMatrixBench("mappoints_identity", SkMatrix::I());
) | 297 DEF_BENCH( return new MapPointsMatrixBench("mappoints_identity", SkMatrix::I());
) |
298 DEF_BENCH( return new MapPointsMatrixBench("mappoints_trans", make_trans()); ) | 298 DEF_BENCH( return new MapPointsMatrixBench("mappoints_trans", make_trans()); ) |
299 DEF_BENCH( return new MapPointsMatrixBench("mappoints_scale", make_scale()); ) | 299 DEF_BENCH( return new MapPointsMatrixBench("mappoints_scale", make_scale()); ) |
300 DEF_BENCH( return new MapPointsMatrixBench("mappoints_affine", make_afine()); ) | 300 DEF_BENCH( return new MapPointsMatrixBench("mappoints_affine", make_afine()); ) |
301 | 301 |
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