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Side by Side Diff: bench/ColorPrivBench.cpp

Issue 1037793002: C++11 override should now be supported by all of {bots,Chrome,Android,Mozilla} (Closed) Base URL: https://skia.googlesource.com/skia@master
Patch Set: git cl web Created 5 years, 9 months ago
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1 #include "Benchmark.h" 1 #include "Benchmark.h"
2 #include "SkColorPriv.h" 2 #include "SkColorPriv.h"
3 #include "SkRandom.h" 3 #include "SkRandom.h"
4 #include "SkString.h" 4 #include "SkString.h"
5 5
6 template <bool kFast, bool kScale> 6 template <bool kFast, bool kScale>
7 class FourByteInterpBench : public Benchmark { 7 class FourByteInterpBench : public Benchmark {
8 public: 8 public:
9 FourByteInterpBench() { 9 FourByteInterpBench() {
10 fName.set("four_byte_interp"); 10 fName.set("four_byte_interp");
11 fName.append(kFast ? "_fast" : "_slow"); 11 fName.append(kFast ? "_fast" : "_slow");
12 fName.append(kScale ? "_255" : "_256"); 12 fName.append(kScale ? "_255" : "_256");
13 } 13 }
14 14
15 bool isSuitableFor(Backend backend) SK_OVERRIDE { 15 bool isSuitableFor(Backend backend) override {
16 return backend == kNonRendering_Backend; 16 return backend == kNonRendering_Backend;
17 } 17 }
18 18
19 const char* onGetName() SK_OVERRIDE { return fName.c_str(); } 19 const char* onGetName() override { return fName.c_str(); }
20 20
21 void onPreDraw() SK_OVERRIDE { 21 void onPreDraw() override {
22 // A handful of random srcs and dsts. 22 // A handful of random srcs and dsts.
23 SkRandom rand; 23 SkRandom rand;
24 for (int i = 0; i < kInputs; i++) { 24 for (int i = 0; i < kInputs; i++) {
25 fSrcs[i] = SkPreMultiplyColor(rand.nextU()); 25 fSrcs[i] = SkPreMultiplyColor(rand.nextU());
26 fDsts[i] = SkPreMultiplyColor(rand.nextU()); 26 fDsts[i] = SkPreMultiplyColor(rand.nextU());
27 } 27 }
28 28
29 // We'll exhaustively test all scales instead of using random numbers. 29 // We'll exhaustively test all scales instead of using random numbers.
30 for (int i = 0; i <= 256; i++) { 30 for (int i = 0; i <= 256; i++) {
31 fScales[i] = i; 31 fScales[i] = i;
32 } 32 }
33 if (kScale) fScales[256] = 255; // We'll just do 255 twice if we're lim ited to [0,255]. 33 if (kScale) fScales[256] = 255; // We'll just do 255 twice if we're lim ited to [0,255].
34 } 34 }
35 35
36 void onDraw(const int loops, SkCanvas*) SK_OVERRIDE { 36 void onDraw(const int loops, SkCanvas*) override {
37 // We xor results of FourByteInterp into junk to make sure the function runs. 37 // We xor results of FourByteInterp into junk to make sure the function runs.
38 volatile SkPMColor junk = 0; 38 volatile SkPMColor junk = 0;
39 39
40 for (int loop = 0; loop < loops; loop++) { 40 for (int loop = 0; loop < loops; loop++) {
41 for (int i = 0; i < kInputs; i++) { 41 for (int i = 0; i < kInputs; i++) {
42 for (size_t j = 0; j <= 256; j++) { 42 for (size_t j = 0; j <= 256; j++) {
43 // Note: we really want to load src and dst here and not out side in the i-loop. 43 // Note: we really want to load src and dst here and not out side in the i-loop.
44 // If we put the loads there, a clever compiler will do the not-insignificant 44 // If we put the loads there, a clever compiler will do the not-insignificant
45 // work in the FourByteInterps that depends only on src and dst outside this 45 // work in the FourByteInterps that depends only on src and dst outside this
46 // loop, so we'd only be benchmarking the back half of those functions that also 46 // loop, so we'd only be benchmarking the back half of those functions that also
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72 volatile unsigned fDsts[kInputs]; 72 volatile unsigned fDsts[kInputs];
73 unsigned fScales[257]; // We need space for [0, 256]. 73 unsigned fScales[257]; // We need space for [0, 256].
74 }; 74 };
75 75
76 #define COMMA , 76 #define COMMA ,
77 DEF_BENCH( return SkNEW(FourByteInterpBench<true COMMA true>); ) 77 DEF_BENCH( return SkNEW(FourByteInterpBench<true COMMA true>); )
78 DEF_BENCH( return SkNEW(FourByteInterpBench<true COMMA false>); ) 78 DEF_BENCH( return SkNEW(FourByteInterpBench<true COMMA false>); )
79 DEF_BENCH( return SkNEW(FourByteInterpBench<false COMMA true>); ) 79 DEF_BENCH( return SkNEW(FourByteInterpBench<false COMMA true>); )
80 DEF_BENCH( return SkNEW(FourByteInterpBench<false COMMA false>); ) 80 DEF_BENCH( return SkNEW(FourByteInterpBench<false COMMA false>); )
81 #undef COMMA 81 #undef COMMA
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