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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 | 7 |
8 #include "Benchmark.h" | 8 #include "Benchmark.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
11 #include "SkColorFilterImageFilter.h" | 11 #include "SkColorFilterImageFilter.h" |
12 #include "SkColorMatrixFilter.h" | 12 #include "SkColorMatrixFilter.h" |
13 #include "SkGradientShader.h" | 13 #include "SkGradientShader.h" |
14 #include "SkImageFilter.h" | 14 #include "SkImageFilter.h" |
15 #include "SkTableColorFilter.h" | 15 #include "SkTableColorFilter.h" |
16 | 16 |
17 // Chains several matrix color filters image filter or several | 17 // Chains several matrix color filters image filter or several |
18 // table filter image filters and draws a bitmap. | 18 // table filter image filters and draws a bitmap. |
19 // This bench shows an improvement in performance and memory | 19 // This bench shows an improvement in performance and memory |
20 // when collapsing matrices or tables is implemented since all | 20 // when collapsing matrices or tables is implemented since all |
21 // the passes are collapsed in one. | 21 // the passes are collapsed in one. |
22 | 22 |
23 class BaseImageFilterCollapseBench : public Benchmark { | 23 class BaseImageFilterCollapseBench : public Benchmark { |
24 public: | 24 public: |
25 BaseImageFilterCollapseBench(): fImageFilter(NULL) {} | 25 BaseImageFilterCollapseBench(): fImageFilter(nullptr) {} |
26 ~BaseImageFilterCollapseBench() { | 26 ~BaseImageFilterCollapseBench() { |
27 SkSafeUnref(fImageFilter); | 27 SkSafeUnref(fImageFilter); |
28 } | 28 } |
29 | 29 |
30 protected: | 30 protected: |
31 void doPreDraw(SkColorFilter* colorFilters[], int nFilters) { | 31 void doPreDraw(SkColorFilter* colorFilters[], int nFilters) { |
32 // Create a chain of ImageFilters from colorFilters | 32 // Create a chain of ImageFilters from colorFilters |
33 fImageFilter = NULL; | 33 fImageFilter = nullptr; |
34 for(int i = nFilters; i --> 0;) { | 34 for(int i = nFilters; i --> 0;) { |
35 SkAutoTUnref<SkImageFilter> filter( | 35 SkAutoTUnref<SkImageFilter> filter( |
36 SkColorFilterImageFilter::Create(colorFilters[i], fImage
Filter, NULL) | 36 SkColorFilterImageFilter::Create(colorFilters[i], fImage
Filter, nullptr) |
37 ); | 37 ); |
38 SkRefCnt_SafeAssign(fImageFilter, filter.get()); | 38 SkRefCnt_SafeAssign(fImageFilter, filter.get()); |
39 } | 39 } |
40 } | 40 } |
41 | 41 |
42 void onDraw(const int loops, SkCanvas* canvas) override { | 42 void onDraw(const int loops, SkCanvas* canvas) override { |
43 makeBitmap(); | 43 makeBitmap(); |
44 | 44 |
45 for(int i = 0; i < loops; i++) { | 45 for(int i = 0; i < loops; i++) { |
46 SkPaint paint; | 46 SkPaint paint; |
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60 fBitmap.eraseColor(SK_ColorTRANSPARENT); | 60 fBitmap.eraseColor(SK_ColorTRANSPARENT); |
61 | 61 |
62 SkCanvas canvas(fBitmap); | 62 SkCanvas canvas(fBitmap); |
63 SkPaint paint; | 63 SkPaint paint; |
64 SkPoint pts[] = { {0, 0}, {SkIntToScalar(W), SkIntToScalar(H)} }; | 64 SkPoint pts[] = { {0, 0}, {SkIntToScalar(W), SkIntToScalar(H)} }; |
65 SkColor colors[] = { | 65 SkColor colors[] = { |
66 SK_ColorBLACK, SK_ColorGREEN, SK_ColorCYAN, | 66 SK_ColorBLACK, SK_ColorGREEN, SK_ColorCYAN, |
67 SK_ColorRED, 0, SK_ColorBLUE, SK_ColorWHITE | 67 SK_ColorRED, 0, SK_ColorBLUE, SK_ColorWHITE |
68 }; | 68 }; |
69 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateLinear( | 69 SkAutoTUnref<SkShader> shader(SkGradientShader::CreateLinear( |
70 pts, colors, NULL, SK_ARRAY_COUNT(colors), SkShader::kClamp_
TileMode | 70 pts, colors, nullptr, SK_ARRAY_COUNT(colors), SkShader::kCla
mp_TileMode |
71 )); | 71 )); |
72 paint.setShader(shader); | 72 paint.setShader(shader); |
73 canvas.drawPaint(paint); | 73 canvas.drawPaint(paint); |
74 } | 74 } |
75 }; | 75 }; |
76 | 76 |
77 class TableCollapseBench: public BaseImageFilterCollapseBench { | 77 class TableCollapseBench: public BaseImageFilterCollapseBench { |
78 public: | 78 public: |
79 virtual ~TableCollapseBench() {} | 79 virtual ~TableCollapseBench() {} |
80 | 80 |
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149 doPreDraw(colorFilters, SK_ARRAY_COUNT(colorFilters)); | 149 doPreDraw(colorFilters, SK_ARRAY_COUNT(colorFilters)); |
150 | 150 |
151 for(unsigned i = 0; i < SK_ARRAY_COUNT(colorFilters); i++) { | 151 for(unsigned i = 0; i < SK_ARRAY_COUNT(colorFilters); i++) { |
152 colorFilters[i]->unref(); | 152 colorFilters[i]->unref(); |
153 } | 153 } |
154 } | 154 } |
155 }; | 155 }; |
156 | 156 |
157 DEF_BENCH(return new TableCollapseBench;) | 157 DEF_BENCH(return new TableCollapseBench;) |
158 DEF_BENCH(return new MatrixCollapseBench;) | 158 DEF_BENCH(return new MatrixCollapseBench;) |
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