reed@google.com | bcb42ae | 2013-07-02 13:56:39 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 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 "SkBenchmark.h" |
| 9 | #include "SkCanvas.h" |
| 10 | #include "SkPaint.h" |
| 11 | #include "SkTypeface.h" |
| 12 | |
| 13 | enum { |
| 14 | LOOP = SkBENCHLOOP(1000), |
| 15 | NGLYPHS = 100 |
| 16 | }; |
| 17 | |
| 18 | static SkTypeface::Encoding paint2Encoding(const SkPaint& paint) { |
| 19 | SkPaint::TextEncoding enc = paint.getTextEncoding(); |
| 20 | SkASSERT(SkPaint::kGlyphID_TextEncoding != enc); |
| 21 | return (SkTypeface::Encoding)enc; |
| 22 | } |
| 23 | |
| 24 | typedef void (*TypefaceProc)(const SkPaint&, const void* text, size_t len, |
| 25 | int glyphCount); |
| 26 | |
| 27 | static void containsText_proc(const SkPaint& paint, const void* text, size_t len, |
| 28 | int glyphCount) { |
| 29 | for (int i = 0; i < LOOP; ++i) { |
| 30 | paint.containsText(text, len); |
| 31 | } |
| 32 | } |
| 33 | |
| 34 | static void textToGlyphs_proc(const SkPaint& paint, const void* text, size_t len, |
| 35 | int glyphCount) { |
| 36 | uint16_t glyphs[NGLYPHS]; |
| 37 | SkASSERT(glyphCount <= NGLYPHS); |
| 38 | |
| 39 | for (int i = 0; i < LOOP; ++i) { |
| 40 | paint.textToGlyphs(text, len, glyphs); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | static void charsToGlyphs_proc(const SkPaint& paint, const void* text, |
| 45 | size_t len, int glyphCount) { |
| 46 | SkTypeface::Encoding encoding = paint2Encoding(paint); |
| 47 | uint16_t glyphs[NGLYPHS]; |
| 48 | SkASSERT(glyphCount <= NGLYPHS); |
skia.committer@gmail.com | 98a1967 | 2013-07-03 07:00:57 +0000 | [diff] [blame] | 49 | |
reed@google.com | bcb42ae | 2013-07-02 13:56:39 +0000 | [diff] [blame] | 50 | SkTypeface* face = paint.getTypeface(); |
| 51 | for (int i = 0; i < LOOP; ++i) { |
| 52 | face->charsToGlyphs(text, encoding, glyphs, glyphCount); |
| 53 | } |
| 54 | } |
| 55 | |
reed@google.com | 2311297 | 2013-07-02 16:28:53 +0000 | [diff] [blame] | 56 | static void charsToGlyphsNull_proc(const SkPaint& paint, const void* text, |
| 57 | size_t len, int glyphCount) { |
| 58 | SkTypeface::Encoding encoding = paint2Encoding(paint); |
skia.committer@gmail.com | 98a1967 | 2013-07-03 07:00:57 +0000 | [diff] [blame] | 59 | |
reed@google.com | 2311297 | 2013-07-02 16:28:53 +0000 | [diff] [blame] | 60 | SkTypeface* face = paint.getTypeface(); |
| 61 | for (int i = 0; i < LOOP; ++i) { |
| 62 | face->charsToGlyphs(text, encoding, NULL, glyphCount); |
| 63 | } |
| 64 | } |
| 65 | |
reed@google.com | bcb42ae | 2013-07-02 13:56:39 +0000 | [diff] [blame] | 66 | class CMAPBench : public SkBenchmark { |
| 67 | TypefaceProc fProc; |
| 68 | SkString fName; |
| 69 | char fText[NGLYPHS]; |
| 70 | SkPaint fPaint; |
| 71 | |
| 72 | public: |
| 73 | CMAPBench(void* param, TypefaceProc proc, const char name[]) : SkBenchmark(param) { |
| 74 | fProc = proc; |
| 75 | fName.printf("cmap_%s", name); |
skia.committer@gmail.com | 98a1967 | 2013-07-03 07:00:57 +0000 | [diff] [blame] | 76 | |
reed@google.com | bcb42ae | 2013-07-02 13:56:39 +0000 | [diff] [blame] | 77 | for (int i = 0; i < NGLYPHS; ++i) { |
reed@google.com | 2d903ae | 2013-07-02 20:06:00 +0000 | [diff] [blame] | 78 | // we're jamming values into utf8, so we must keep it legal utf8 |
| 79 | fText[i] = 'A' + (i & 31); |
reed@google.com | bcb42ae | 2013-07-02 13:56:39 +0000 | [diff] [blame] | 80 | } |
| 81 | fPaint.setTypeface(SkTypeface::RefDefault())->unref(); |
| 82 | } |
| 83 | |
| 84 | protected: |
| 85 | virtual const char* onGetName() SK_OVERRIDE { |
| 86 | return fName.c_str(); |
| 87 | } |
| 88 | |
| 89 | virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
| 90 | fProc(fPaint, fText, sizeof(fText), NGLYPHS); |
| 91 | } |
| 92 | |
| 93 | private: |
| 94 | |
| 95 | typedef SkBenchmark INHERITED; |
| 96 | }; |
| 97 | |
| 98 | ////////////////////////////////////////////////////////////////////////////// |
| 99 | |
| 100 | DEF_BENCH( return new CMAPBench(p, containsText_proc, "paint_containsText"); ) |
| 101 | DEF_BENCH( return new CMAPBench(p, textToGlyphs_proc, "paint_textToGlyphs"); ) |
| 102 | DEF_BENCH( return new CMAPBench(p, charsToGlyphs_proc, "face_charsToGlyphs"); ) |
reed@google.com | 2311297 | 2013-07-02 16:28:53 +0000 | [diff] [blame] | 103 | DEF_BENCH( return new CMAPBench(p, charsToGlyphsNull_proc, "face_charsToGlyphs_null"); ) |