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1 | |
2 /* | |
3 * Copyright 2016 Google Inc. | |
4 * | |
5 * Use of this source code is governed by a BSD-style license that can be | |
6 * found in the LICENSE file. | |
7 */ | |
8 | |
9 #include "Benchmark.h" | |
10 #include "SkString.h" | |
11 #include "SkXfer4f.h" | |
12 | |
13 #define INNER_LOOPS 100 | |
14 | |
15 // Benchmark that draws non-AA rects or AA text with an SkXfermode::Mode. | |
16 class Xfer4fBench : public Benchmark { | |
17 public: | |
18 Xfer4fBench(SkXfermode::Mode mode, const char name[], bool doN, uint32_t fla gs) : fDoN(doN) { | |
19 fProc1 = SkPM4fXfer1ProcFactory(mode, flags); | |
20 fProcN = SkPM4fXferNProcFactory(mode, flags); | |
21 fName.printf("xfer4f_%s_%c_%s_%s", name, fDoN ? 'N' : '1', | |
22 (flags & kSrcIsOpaque_SkXfer4fFlag) ? "opaque" : "alpha", | |
23 (flags & kDstIsSRGB_SkXfer4fFlag) ? "srgb" : "linear"); | |
24 | |
25 SkPM4f c; | |
26 c.fVec[0] = 1; c.fVec[1] = 1; c.fVec[2] = 1; c.fVec[3] = 1; | |
mtklein
2016/01/29 15:23:00
This can also be
SkPM4f c = {{ 1,1,1,1 }};
reed1
2016/01/29 22:35:27
Done.
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27 for (int i = 0; i < N; ++i) { | |
28 fSrc[i] = c; | |
29 fDst[i] = 0; | |
30 } | |
31 } | |
32 | |
33 protected: | |
34 bool isSuitableFor(Backend backend) override { return backend == kNonRenderi ng_Backend; } | |
35 | |
36 const char* onGetName() override { return fName.c_str(); } | |
37 | |
38 void onDraw(int loops, SkCanvas*) override { | |
39 for (int i = 0; i < loops; ++i) { | |
mtklein
2016/01/29 15:23:00
Generally, you can also write
for (int i = 0; i
reed1
2016/01/29 22:35:27
Ah, so you never pass 0 for loops?
mtklein
2016/01/30 01:18:19
Um, it's true that nanobench happens to never pass
| |
40 for (int j = 0; j < INNER_LOOPS; ++j) { | |
41 if (fDoN) { | |
42 fProcN(fDst, fSrc, N); | |
43 } else { | |
44 fProc1(fDst, fSrc[0], N); | |
45 } | |
46 } | |
47 } | |
48 } | |
49 | |
50 private: | |
51 SkString fName; | |
52 SkPM4fXfer1Proc fProc1; | |
53 SkPM4fXferNProc fProcN; | |
54 bool fDoN; | |
55 | |
56 enum { | |
57 N = 1000, | |
58 }; | |
59 SkPM4f fSrc[N]; | |
60 SkPMColor fDst[N]; | |
61 | |
62 typedef Benchmark INHERITED; | |
63 }; | |
64 | |
65 DEF_BENCH( return new Xfer4fBench(SkXfermode::kSrcOver_Mode, "srcover", false, k DstIsSRGB_SkXfer4fFlag); ) | |
mtklein
2016/01/29 15:23:00
Wanna throw in equal-pixel-count 8888 benchmarks h
| |
66 DEF_BENCH( return new Xfer4fBench(SkXfermode::kSrcOver_Mode, "srcover", false, 0 ); ) | |
67 DEF_BENCH( return new Xfer4fBench(SkXfermode::kSrcOver_Mode, "srcover", false, k DstIsSRGB_SkXfer4fFlag | kSrcIsOpaque_SkXfer4fFlag); ) | |
68 DEF_BENCH( return new Xfer4fBench(SkXfermode::kSrcOver_Mode, "srcover", false, k SrcIsOpaque_SkXfer4fFlag); ) | |
69 | |
70 DEF_BENCH( return new Xfer4fBench(SkXfermode::kSrcOver_Mode, "srcover", true, k DstIsSRGB_SkXfer4fFlag); ) | |
71 DEF_BENCH( return new Xfer4fBench(SkXfermode::kSrcOver_Mode, "srcover", true, 0 ); ) | |
72 DEF_BENCH( return new Xfer4fBench(SkXfermode::kSrcOver_Mode, "srcover", true, k DstIsSRGB_SkXfer4fFlag | kSrcIsOpaque_SkXfer4fFlag); ) | |
73 DEF_BENCH( return new Xfer4fBench(SkXfermode::kSrcOver_Mode, "srcover", true, k SrcIsOpaque_SkXfer4fFlag); ) | |
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