xref: /aosp_15_r20/external/skia/bench/CmapBench.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2013 Google Inc.
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker #include "bench/Benchmark.h"
9*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkCanvas.h"
10*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkFont.h"
11*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkTypeface.h"
12*c8dee2aaSAndroid Build Coastguard Worker #include "src/base/SkRandom.h"
13*c8dee2aaSAndroid Build Coastguard Worker #include "src/base/SkUTF.h"
14*c8dee2aaSAndroid Build Coastguard Worker #include "src/core/SkFontPriv.h"
15*c8dee2aaSAndroid Build Coastguard Worker #include "src/utils/SkCharToGlyphCache.h"
16*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fonts/FontToolUtils.h"
17*c8dee2aaSAndroid Build Coastguard Worker 
18*c8dee2aaSAndroid Build Coastguard Worker enum {
19*c8dee2aaSAndroid Build Coastguard Worker     NGLYPHS = 100
20*c8dee2aaSAndroid Build Coastguard Worker };
21*c8dee2aaSAndroid Build Coastguard Worker 
22*c8dee2aaSAndroid Build Coastguard Worker namespace {
23*c8dee2aaSAndroid Build Coastguard Worker struct Rec {
24*c8dee2aaSAndroid Build Coastguard Worker     const SkCharToGlyphCache&   fCache;
25*c8dee2aaSAndroid Build Coastguard Worker     int                         fLoops;
26*c8dee2aaSAndroid Build Coastguard Worker     const SkFont&               fFont;
27*c8dee2aaSAndroid Build Coastguard Worker     const SkUnichar*            fText;
28*c8dee2aaSAndroid Build Coastguard Worker     int                         fCount;
29*c8dee2aaSAndroid Build Coastguard Worker };
30*c8dee2aaSAndroid Build Coastguard Worker }  // namespace
31*c8dee2aaSAndroid Build Coastguard Worker 
32*c8dee2aaSAndroid Build Coastguard Worker typedef void (*TypefaceProc)(const Rec& r);
33*c8dee2aaSAndroid Build Coastguard Worker 
textToGlyphs_proc(const Rec & r)34*c8dee2aaSAndroid Build Coastguard Worker static void textToGlyphs_proc(const Rec& r) {
35*c8dee2aaSAndroid Build Coastguard Worker     uint16_t glyphs[NGLYPHS];
36*c8dee2aaSAndroid Build Coastguard Worker     SkASSERT(r.fCount <= NGLYPHS);
37*c8dee2aaSAndroid Build Coastguard Worker 
38*c8dee2aaSAndroid Build Coastguard Worker     for (int i = 0; i < r.fLoops; ++i) {
39*c8dee2aaSAndroid Build Coastguard Worker         r.fFont.textToGlyphs(r.fText, r.fCount*4, SkTextEncoding::kUTF32, glyphs, NGLYPHS);
40*c8dee2aaSAndroid Build Coastguard Worker     }
41*c8dee2aaSAndroid Build Coastguard Worker }
42*c8dee2aaSAndroid Build Coastguard Worker 
charsToGlyphs_proc(const Rec & r)43*c8dee2aaSAndroid Build Coastguard Worker static void charsToGlyphs_proc(const Rec& r) {
44*c8dee2aaSAndroid Build Coastguard Worker     uint16_t glyphs[NGLYPHS];
45*c8dee2aaSAndroid Build Coastguard Worker     SkASSERT(r.fCount <= NGLYPHS);
46*c8dee2aaSAndroid Build Coastguard Worker 
47*c8dee2aaSAndroid Build Coastguard Worker     SkTypeface* face = r.fFont.getTypeface();
48*c8dee2aaSAndroid Build Coastguard Worker     for (int i = 0; i < r.fLoops; ++i) {
49*c8dee2aaSAndroid Build Coastguard Worker         face->unicharsToGlyphs(r.fText, r.fCount, glyphs);
50*c8dee2aaSAndroid Build Coastguard Worker     }
51*c8dee2aaSAndroid Build Coastguard Worker }
52*c8dee2aaSAndroid Build Coastguard Worker 
addcache_proc(const Rec & r)53*c8dee2aaSAndroid Build Coastguard Worker static void addcache_proc(const Rec& r) {
54*c8dee2aaSAndroid Build Coastguard Worker     for (int loop = 0; loop < r.fLoops; ++loop) {
55*c8dee2aaSAndroid Build Coastguard Worker         SkCharToGlyphCache cache;
56*c8dee2aaSAndroid Build Coastguard Worker         for (int i = 0; i < r.fCount; ++i) {
57*c8dee2aaSAndroid Build Coastguard Worker             cache.addCharAndGlyph(r.fText[i], i);
58*c8dee2aaSAndroid Build Coastguard Worker         }
59*c8dee2aaSAndroid Build Coastguard Worker     }
60*c8dee2aaSAndroid Build Coastguard Worker }
61*c8dee2aaSAndroid Build Coastguard Worker 
findcache_proc(const Rec & r)62*c8dee2aaSAndroid Build Coastguard Worker static void findcache_proc(const Rec& r) {
63*c8dee2aaSAndroid Build Coastguard Worker     for (int loop = 0; loop < r.fLoops; ++loop) {
64*c8dee2aaSAndroid Build Coastguard Worker         for (int i = 0; i < r.fCount; ++i) {
65*c8dee2aaSAndroid Build Coastguard Worker             r.fCache.findGlyphIndex(r.fText[i]);
66*c8dee2aaSAndroid Build Coastguard Worker         }
67*c8dee2aaSAndroid Build Coastguard Worker     }
68*c8dee2aaSAndroid Build Coastguard Worker }
69*c8dee2aaSAndroid Build Coastguard Worker 
70*c8dee2aaSAndroid Build Coastguard Worker class CMAPBench : public Benchmark {
71*c8dee2aaSAndroid Build Coastguard Worker     TypefaceProc fProc;
72*c8dee2aaSAndroid Build Coastguard Worker     SkString     fName;
73*c8dee2aaSAndroid Build Coastguard Worker     SkUnichar    fText[NGLYPHS];
74*c8dee2aaSAndroid Build Coastguard Worker     SkFont       fFont;
75*c8dee2aaSAndroid Build Coastguard Worker     SkCharToGlyphCache fCache;
76*c8dee2aaSAndroid Build Coastguard Worker     int          fCount;
77*c8dee2aaSAndroid Build Coastguard Worker 
78*c8dee2aaSAndroid Build Coastguard Worker public:
CMAPBench(TypefaceProc proc,const char name[],int count)79*c8dee2aaSAndroid Build Coastguard Worker     CMAPBench(TypefaceProc proc, const char name[], int count) {
80*c8dee2aaSAndroid Build Coastguard Worker         SkASSERT(count <= NGLYPHS);
81*c8dee2aaSAndroid Build Coastguard Worker 
82*c8dee2aaSAndroid Build Coastguard Worker         fProc = proc;
83*c8dee2aaSAndroid Build Coastguard Worker         fName.printf("%s_%d", name, count);
84*c8dee2aaSAndroid Build Coastguard Worker         fCount = count;
85*c8dee2aaSAndroid Build Coastguard Worker 
86*c8dee2aaSAndroid Build Coastguard Worker         SkRandom rand;
87*c8dee2aaSAndroid Build Coastguard Worker         for (int i = 0; i < count; ++i) {
88*c8dee2aaSAndroid Build Coastguard Worker             fText[i] = rand.nextU() & 0xFFFF;
89*c8dee2aaSAndroid Build Coastguard Worker             fCache.addCharAndGlyph(fText[i], i);
90*c8dee2aaSAndroid Build Coastguard Worker         }
91*c8dee2aaSAndroid Build Coastguard Worker         fFont.setTypeface(ToolUtils::DefaultPortableTypeface());
92*c8dee2aaSAndroid Build Coastguard Worker     }
93*c8dee2aaSAndroid Build Coastguard Worker 
isSuitableFor(Backend backend)94*c8dee2aaSAndroid Build Coastguard Worker     bool isSuitableFor(Backend backend) override {
95*c8dee2aaSAndroid Build Coastguard Worker         return backend == Backend::kNonRendering;
96*c8dee2aaSAndroid Build Coastguard Worker     }
97*c8dee2aaSAndroid Build Coastguard Worker 
98*c8dee2aaSAndroid Build Coastguard Worker protected:
onGetName()99*c8dee2aaSAndroid Build Coastguard Worker     const char* onGetName() override {
100*c8dee2aaSAndroid Build Coastguard Worker         return fName.c_str();
101*c8dee2aaSAndroid Build Coastguard Worker     }
102*c8dee2aaSAndroid Build Coastguard Worker 
onDraw(int loops,SkCanvas * canvas)103*c8dee2aaSAndroid Build Coastguard Worker     void onDraw(int loops, SkCanvas* canvas) override {
104*c8dee2aaSAndroid Build Coastguard Worker         fProc({fCache, loops, fFont, fText, fCount});
105*c8dee2aaSAndroid Build Coastguard Worker     }
106*c8dee2aaSAndroid Build Coastguard Worker 
107*c8dee2aaSAndroid Build Coastguard Worker private:
108*c8dee2aaSAndroid Build Coastguard Worker 
109*c8dee2aaSAndroid Build Coastguard Worker     using INHERITED = Benchmark;
110*c8dee2aaSAndroid Build Coastguard Worker };
111*c8dee2aaSAndroid Build Coastguard Worker 
112*c8dee2aaSAndroid Build Coastguard Worker //////////////////////////////////////////////////////////////////////////////
113*c8dee2aaSAndroid Build Coastguard Worker 
114*c8dee2aaSAndroid Build Coastguard Worker constexpr int SMALL = 10;
115*c8dee2aaSAndroid Build Coastguard Worker 
116*c8dee2aaSAndroid Build Coastguard Worker DEF_BENCH( return new CMAPBench(textToGlyphs_proc, "font_charToGlyph", SMALL); )
117*c8dee2aaSAndroid Build Coastguard Worker DEF_BENCH( return new CMAPBench(charsToGlyphs_proc, "face_charToGlyph", SMALL); )
118*c8dee2aaSAndroid Build Coastguard Worker DEF_BENCH( return new CMAPBench(addcache_proc, "addcache_charToGlyph", SMALL); )
119*c8dee2aaSAndroid Build Coastguard Worker DEF_BENCH( return new CMAPBench(findcache_proc, "findcache_charToGlyph", SMALL); )
120*c8dee2aaSAndroid Build Coastguard Worker 
121*c8dee2aaSAndroid Build Coastguard Worker constexpr int BIG = 100;
122*c8dee2aaSAndroid Build Coastguard Worker 
123*c8dee2aaSAndroid Build Coastguard Worker DEF_BENCH( return new CMAPBench(textToGlyphs_proc, "font_charToGlyph", BIG); )
124*c8dee2aaSAndroid Build Coastguard Worker DEF_BENCH( return new CMAPBench(charsToGlyphs_proc, "face_charToGlyph", BIG); )
125*c8dee2aaSAndroid Build Coastguard Worker DEF_BENCH( return new CMAPBench(addcache_proc, "addcache_charToGlyph", BIG); )
126*c8dee2aaSAndroid Build Coastguard Worker DEF_BENCH( return new CMAPBench(findcache_proc, "findcache_charToGlyph", BIG); )
127