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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; |
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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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