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Side by Side Diff: bench/SkBlend_optsBench.cpp

Issue 1939513002: Add specialized sRGB blitter for SkOpts (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Fix bad assert. Created 4 years, 7 months ago
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1 /*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include <tuple>
9
10 #include "Benchmark.h"
11 #include "Resources.h"
12 #include "SkCpu.h"
13 #include "SkImage.h"
14 #include "SkImage_Base.h"
15 #include "SkNx.h"
16 #include "SkOpts.h"
17 #include "SkString.h"
18
19 #define INNER_LOOPS 10
20
21 namespace sk_default {
22 extern void brute_force_srcover_srgb_srgb(
23 uint32_t* dst, const uint32_t* const srcStart, int ndst, const int nsrc);
24 }
25
26 class SrcOverVSkOptsBruteForce {
27 public:
28 static SkString Name() { return SkString{"VSkOptsBruteForce"}; }
29 static bool WorksOnCpu() { return true; }
30 static void BlendN(uint32_t* dst, int count, const uint32_t* src) {
31 sk_default::brute_force_srcover_srgb_srgb(dst, src, count, count);
32 }
33 };
34
35 namespace sk_default {
36 extern void trivial_srcover_srgb_srgb(
37 uint32_t* dst, const uint32_t* const srcStart, int ndst, const int nsrc);
38 }
39
40 class SrcOverVSkOptsTrivial {
41 public:
42 static SkString Name() { return SkString{"VSkOptsTrivial"}; }
43 static bool WorksOnCpu() { return true; }
44 static void BlendN(uint32_t* dst, int count, const uint32_t* src) {
45 sk_default::trivial_srcover_srgb_srgb(dst, src, count, count);
46 }
47 };
48
49 namespace sk_default {
50 extern void best_non_simd_srcover_srgb_srgb(
51 uint32_t* dst, const uint32_t* const srcStart, int ndst, const int nsrc);
52 }
53
54 class SrcOverVSkOptsNonSimdCore {
55 public:
56 static SkString Name() { return SkString{"VSkOptsNonSimdCore"}; }
57 static bool WorksOnCpu() { return true; }
58 static void BlendN(uint32_t* dst, int count, const uint32_t* src) {
59 sk_default::best_non_simd_srcover_srgb_srgb(dst, src, count, count);
60 }
61 };
62
63 namespace sk_default {
64 extern void srcover_srgb_srgb(
65 uint32_t* dst, const uint32_t* const srcStart, int ndst, const int nsrc);
66 }
67
68 class SrcOverVSkOptsDefault {
69 public:
70 static SkString Name() { return SkString{"VSkOptsDefault"}; }
71 static bool WorksOnCpu() { return true; }
72 static void BlendN(uint32_t* dst, int count, const uint32_t* src) {
73 sk_default::srcover_srgb_srgb(dst, src, count, count);
74 }
75 };
76
77 namespace sk_sse41 {
78 extern void srcover_srgb_srgb(
79 uint32_t* dst, const uint32_t* const srcStart, int ndst, const int nsrc);
80 }
81
82 class SrcOverVSkOptsSSE41 {
83 public:
84 static SkString Name() { return SkString{"VSkOptsSSE41"}; }
85 static bool WorksOnCpu() { return SkCpu::Supports(SkCpu::SSE41); }
86 static void BlendN(uint32_t* dst, int count, const uint32_t* src) {
87 sk_sse41::srcover_srgb_srgb(dst, src, count, count);
88 }
89 };
90
91 //////////////////////////////////////////////////////////////////////////////// ///////////////////
92
93 template <typename Blender>
94 class LinearSrcOverBench : public Benchmark {
95 public:
96 LinearSrcOverBench(const char* fileName) {
97 fName = "LinearSrcOver";
98 fName.append(fileName);
99 fName.append(Blender::Name());
100
101 sk_sp<SkImage> image = GetResourceAsImage(fileName);
102 SkBitmap bm;
103 if (!as_IB(image)->getROPixels(&bm)) {
104 SkFAIL("Could not read resource");
105 }
106 bm.peekPixels(&fPixmap);
107 fCount = fPixmap.rowBytesAsPixels();
108 fDst.reset(fCount);
109 memset(fDst.get(), 0, fPixmap.rowBytes());
110 }
111
112 protected:
113 bool isSuitableFor(Backend backend) override {
114 return backend == kNonRendering_Backend && Blender::WorksOnCpu();
115 }
116 const char* onGetName() override { return fName.c_str(); }
117 void onDraw(int loops, SkCanvas*) override {
118 SkASSERT(fPixmap.colorType() == kN32_SkColorType);
119
120 const int width = fPixmap.rowBytesAsPixels();
121
122 for (int i = 0; i < loops * INNER_LOOPS; ++i) {
123 const uint32_t* src = fPixmap.addr32();
124 for (int y = 0; y < fPixmap.height(); y++) {
125 Blender::BlendN(fDst.get(), width, src);
126 src += width;
127 }
128 }
129 }
130
131 void onPostDraw(SkCanvas*) override {
132 // Make sure the compiler does not optimize away the operation.
133 volatile uint32_t v = 0;
134 for (int i = 0; i < fCount; i++) {
135 v ^= fDst[i];
136 }
137 }
138
139 private:
140 int fCount;
141 SkAutoTArray<uint32_t> fDst;
142 SkString fName;
143 SkPixmap fPixmap;
144
145 typedef Benchmark INHERITED;
146 };
147
148 #if defined(SK_CPU_X86) && !defined(SK_BUILD_FOR_IOS)
149 #define BENCHES(fileName) \
150 DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsBruteForce>(fileName); ) \
151 DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsTrivial>(fileName); ) \
152 DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsNonSimdCore>(fileName); ) \
153 DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsDefault>(fileName); ) \
154 DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsSSE41>(fileName); )
155 #else
156 #define BENCHES(fileName) \
157 DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsBruteForce>(fileName); ) \
158 DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsTrivial>(fileName); ) \
159 DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsNonSimdCore>(fileName); ) \
160 DEF_BENCH( return new LinearSrcOverBench<SrcOverVSkOptsDefault>(fileName); )
161 #endif
162
163 BENCHES("yellow_rose.png")
164 BENCHES("baby_tux.png")
165 BENCHES("plane.png")
166 BENCHES("mandrill_512.png")
167 BENCHES("iconstrip.png")
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