OLD | NEW |
---|---|
(Empty) | |
1 | |
2 /* | |
3 * Copyright 2013 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 "SkBenchmark.h" | |
10 #include "SkCanvas.h" | |
11 #include "SkConfig8888.h" | |
12 | |
13 class PremulAndUnpremulAlphaOpsBench : public SkBenchmark { | |
14 public: | |
15 PremulAndUnpremulAlphaOpsBench(void* param, SkCanvas::Config8888 config, | |
16 const char* name) | |
17 : INHERITED(param) { | |
18 unPremulConfig = config; | |
19 benchName = name; | |
20 } | |
21 | |
22 protected: | |
23 virtual const char* onGetName() SK_OVERRIDE { | |
24 return benchName; | |
25 } | |
26 | |
27 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { | |
28 canvas->clear(SK_ColorBLACK); | |
29 SkISize size = canvas->getDeviceSize(); | |
30 | |
31 SkBitmap bmp1; | |
32 bmp1.setConfig(SkBitmap::kARGB_8888_Config, size.width(), | |
33 size.height()); | |
34 bmp1.allocPixels(); | |
35 SkAutoLockPixels alp(bmp1); | |
36 uint32_t* pixels = reinterpret_cast<uint32_t*>(bmp1.getPixels()); | |
37 for (int h = 0; h < size.height(); ++h) { | |
38 for (int w = 0; w < size.width(); ++w) | |
39 pixels[h * size.width() + w] = SkPackConfig8888(unPremulConfig, | |
40 h & 0xFF, w & 0xFF, w & 0xFF, w & 0xFF); | |
41 } | |
42 | |
43 SkBitmap bmp2; | |
44 bmp2.setConfig(SkBitmap::kARGB_8888_Config, size.width(), | |
45 size.height()); | |
46 | |
47 static const int kLoopCount = SkBENCHLOOP(10); | |
48 for (int loop = 0; loop < kLoopCount; ++loop) { | |
49 // Unpremul -> Premul | |
50 canvas->writePixels(bmp1, 0, 0, unPremulConfig); | |
51 // Premul -> Unpremul | |
52 canvas->readPixels(&bmp2, 0, 0, unPremulConfig); | |
53 } | |
54 } | |
55 | |
56 private: | |
57 SkCanvas::Config8888 unPremulConfig; | |
58 const char* benchName; | |
tomhudson
2013/06/12 09:23:34
I wasn't reading carefully enough earlier - anothe
Jun Jiang
2013/06/12 16:59:26
Done.
| |
59 typedef SkBenchmark INHERITED; | |
60 }; | |
61 | |
62 static SkBenchmark* fact0(void* p) { | |
63 return new PremulAndUnpremulAlphaOpsBench(p, | |
64 SkCanvas::kRGBA_Unpremul_Config8888, | |
65 "premul_and_unpremul_alpha_RGBA8888"); | |
66 } | |
67 static SkBenchmark* fact1(void* p) { | |
68 return new PremulAndUnpremulAlphaOpsBench(p, | |
69 SkCanvas::kNative_Unpremul_Config8888, | |
70 "premul_and_unpremul_alpha_Native8888"); | |
71 } | |
72 | |
73 static BenchRegistry gReg0(fact0); | |
74 static BenchRegistry gReg1(fact1); | |
OLD | NEW |