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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 }; |
| (...skipping 19 matching lines...) Expand all Loading... |
| 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()); |
| (...skipping 13 matching lines...) Expand all Loading... |
| 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 }; |
| (...skipping 23 matching lines...) Expand all Loading... |
| 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 |
| (...skipping 77 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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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