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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 #include "Benchmark.h" | 7 #include "Benchmark.h" |
| 8 #include "SkColorPriv.h" | 8 #include "SkColorPriv.h" |
| 9 #include "SkRandom.h" | 9 #include "SkRandom.h" |
| 10 #include "SkString.h" | 10 #include "SkString.h" |
| 11 | 11 |
| 12 template <bool kFast, bool kScale> | 12 template <bool kFast, bool kScale> |
| 13 class FourByteInterpBench : public Benchmark { | 13 class FourByteInterpBench : public Benchmark { |
| 14 public: | 14 public: |
| 15 FourByteInterpBench() { | 15 FourByteInterpBench() { |
| 16 fName.set("four_byte_interp"); | 16 fName.set("four_byte_interp"); |
| 17 fName.append(kFast ? "_fast" : "_slow"); | 17 fName.append(kFast ? "_fast" : "_slow"); |
| 18 fName.append(kScale ? "_255" : "_256"); | 18 fName.append(kScale ? "_255" : "_256"); |
| 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 const char* onGetName() override { return fName.c_str(); } | 25 const char* onGetName() override { return fName.c_str(); } |
| 26 | 26 |
| 27 void onPreDraw() override { | 27 void onDelayedSetup() override { |
| 28 // A handful of random srcs and dsts. | 28 // A handful of random srcs and dsts. |
| 29 SkRandom rand; | 29 SkRandom rand; |
| 30 for (int i = 0; i < kInputs; i++) { | 30 for (int i = 0; i < kInputs; i++) { |
| 31 fSrcs[i] = SkPreMultiplyColor(rand.nextU()); | 31 fSrcs[i] = SkPreMultiplyColor(rand.nextU()); |
| 32 fDsts[i] = SkPreMultiplyColor(rand.nextU()); | 32 fDsts[i] = SkPreMultiplyColor(rand.nextU()); |
| 33 } | 33 } |
| 34 | 34 |
| 35 // We'll exhaustively test all scales instead of using random numbers. | 35 // We'll exhaustively test all scales instead of using random numbers. |
| 36 for (int i = 0; i <= 256; i++) { | 36 for (int i = 0; i <= 256; i++) { |
| 37 fScales[i] = i; | 37 fScales[i] = i; |
| (...skipping 40 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 78 volatile unsigned fDsts[kInputs]; | 78 volatile unsigned fDsts[kInputs]; |
| 79 unsigned fScales[257]; // We need space for [0, 256]. | 79 unsigned fScales[257]; // We need space for [0, 256]. |
| 80 }; | 80 }; |
| 81 | 81 |
| 82 #define COMMA , | 82 #define COMMA , |
| 83 DEF_BENCH(return (new FourByteInterpBench<true COMMA true>);) | 83 DEF_BENCH(return (new FourByteInterpBench<true COMMA true>);) |
| 84 DEF_BENCH(return (new FourByteInterpBench<true COMMA false>);) | 84 DEF_BENCH(return (new FourByteInterpBench<true COMMA false>);) |
| 85 DEF_BENCH(return (new FourByteInterpBench<false COMMA true>);) | 85 DEF_BENCH(return (new FourByteInterpBench<false COMMA true>);) |
| 86 DEF_BENCH(return (new FourByteInterpBench<false COMMA false>);) | 86 DEF_BENCH(return (new FourByteInterpBench<false COMMA false>);) |
| 87 #undef COMMA | 87 #undef COMMA |
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