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Side by Side Diff: bench/SkBenchmark.h

Issue 347823004: Remove Sk prefix from some bench classes. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: SkGMBench -> GMBench Created 6 years, 6 months ago
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1
2 /*
3 * Copyright 2011 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 #ifndef SkBenchmark_DEFINED
9 #define SkBenchmark_DEFINED
10
11 #include "SkRefCnt.h"
12 #include "SkPoint.h"
13 #include "SkString.h"
14 #include "SkTRegistry.h"
15
16 #define DEF_BENCH(code) \
17 namespace { \
18 static SkBenchmark* SK_MACRO_APPEND_LINE(factory)(void*) { code; } \
19 BenchRegistry SK_MACRO_APPEND_LINE(g_R_)(SK_MACRO_APPEND_LINE(factory)); \
20 }
21
22 /*
23 * With the above macros, you can register benches as follows (at the bottom
24 * of your .cpp)
25 *
26 * DEF_BENCH(return new MyBenchmark(...))
27 * DEF_BENCH(return new MyBenchmark(...))
28 * DEF_BENCH(return new MyBenchmark(...))
29 */
30
31
32 class SkCanvas;
33 class SkPaint;
34
35 class SkTriState {
36 public:
37 enum State {
38 kDefault,
39 kTrue,
40 kFalse
41 };
42 static const char* Name[];
43 };
44
45 class SkBenchmark : public SkRefCnt {
46 public:
47 SK_DECLARE_INST_COUNT(SkBenchmark)
48
49 SkBenchmark();
50
51 const char* getName();
52 SkIPoint getSize();
53
54 enum Backend {
55 kNonRendering_Backend,
56 kRaster_Backend,
57 kGPU_Backend,
58 kPDF_Backend,
59 };
60
61 // Call to determine whether the benchmark is intended for
62 // the rendering mode.
63 virtual bool isSuitableFor(Backend backend) {
64 return backend != kNonRendering_Backend;
65 }
66
67 // Call before draw, allows the benchmark to do setup work outside of the
68 // timer. When a benchmark is repeatedly drawn, this should be called once
69 // before the initial draw.
70 void preDraw();
71
72 // Bench framework can tune loops to be large enough for stable timing.
73 void draw(const int loops, SkCanvas*);
74
75 void setForceAlpha(int alpha) {
76 fForceAlpha = alpha;
77 }
78
79 void setForceAA(bool aa) {
80 fForceAA = aa;
81 }
82
83 void setForceFilter(bool filter) {
84 fForceFilter = filter;
85 }
86
87 void setDither(SkTriState::State state) {
88 fDither = state;
89 }
90
91 /** Assign masks for paint-flags. These will be applied when setupPaint()
92 * is called.
93 *
94 * Performs the following on the paint:
95 * uint32_t flags = paint.getFlags();
96 * flags &= ~clearMask;
97 * flags |= orMask;
98 * paint.setFlags(flags);
99 */
100 void setPaintMasks(uint32_t orMask, uint32_t clearMask) {
101 fOrMask = orMask;
102 fClearMask = clearMask;
103 }
104
105 protected:
106 virtual void setupPaint(SkPaint* paint);
107
108 virtual const char* onGetName() = 0;
109 virtual void onPreDraw() {}
110 // Each bench should do its main work in a loop like this:
111 // for (int i = 0; i < loops; i++) { <work here> }
112 virtual void onDraw(const int loops, SkCanvas*) = 0;
113
114 virtual SkIPoint onGetSize();
115
116 private:
117 int fForceAlpha;
118 bool fForceAA;
119 bool fForceFilter;
120 SkTriState::State fDither;
121 uint32_t fOrMask, fClearMask;
122
123 typedef SkRefCnt INHERITED;
124 };
125
126 typedef SkTRegistry<SkBenchmark*(*)(void*)> BenchRegistry;
127
128 #endif
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