herb | 1052f51 | 2015-09-18 12:09:43 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 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 | |
| 9 | #include "SkGlyphCache.h" |
| 10 | |
| 11 | #include "Benchmark.h" |
| 12 | #include "SkCanvas.h" |
| 13 | #include "SkGlyphCache_Globals.h" |
| 14 | #include "SkGraphics.h" |
| 15 | #include "SkTaskGroup.h" |
| 16 | #include "SkTypeface.h" |
| 17 | #include "sk_tool_utils.h" |
| 18 | |
| 19 | |
| 20 | static void do_font_stuff(SkPaint* paint) { |
| 21 | for (SkScalar i = 8; i < 64; i++) { |
| 22 | paint->setTextSize(i); |
| 23 | SkAutoGlyphCacheNoGamma autoCache(*paint, nullptr, nullptr); |
| 24 | SkGlyphCache* cache = autoCache.getCache(); |
| 25 | uint16_t glyphs['z']; |
| 26 | for (int c = ' '; c < 'z'; c++) { |
| 27 | glyphs[c] = cache->unicharToGlyph(c); |
| 28 | } |
| 29 | for (int lookups = 0; lookups < 10; lookups++) { |
| 30 | for (int c = ' '; c < 'z'; c++) { |
| 31 | const SkGlyph& g = cache->getGlyphIDMetrics(glyphs[c]); |
| 32 | cache->findImage(g); |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | class SkGlyphCacheBasic : public Benchmark { |
| 40 | public: |
| 41 | explicit SkGlyphCacheBasic(size_t cacheSize) : fCacheSize(cacheSize) { } |
| 42 | |
| 43 | protected: |
| 44 | const char* onGetName() override { |
| 45 | fName.printf("SkGlyphCacheBasic%dK", (int)(fCacheSize >> 10)); |
| 46 | return fName.c_str(); |
| 47 | } |
| 48 | |
| 49 | bool isSuitableFor(Backend backend) override { |
| 50 | return backend == kNonRendering_Backend; |
| 51 | } |
| 52 | |
mtklein | a1ebeb2 | 2015-10-01 09:43:39 -0700 | [diff] [blame] | 53 | void onDraw(int loops, SkCanvas*) override { |
herb | 1052f51 | 2015-09-18 12:09:43 -0700 | [diff] [blame] | 54 | size_t oldCacheLimitSize = SkGraphics::GetFontCacheLimit(); |
| 55 | SkGraphics::SetFontCacheLimit(fCacheSize); |
| 56 | SkTypeface* typeface = sk_tool_utils::create_portable_typeface( |
| 57 | "serif", SkTypeface::kItalic); |
| 58 | SkPaint paint; |
| 59 | paint.setAntiAlias(true); |
| 60 | paint.setSubpixelText(true); |
| 61 | paint.setTypeface(typeface); |
| 62 | |
| 63 | for (int work = 0; work < loops; work++) { |
| 64 | do_font_stuff(&paint); |
| 65 | } |
| 66 | SkGraphics::SetFontCacheLimit(oldCacheLimitSize); |
herb | 0d39d37 | 2015-09-18 13:52:18 -0700 | [diff] [blame] | 67 | SkSafeUnref(typeface); |
herb | 1052f51 | 2015-09-18 12:09:43 -0700 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | private: |
| 71 | typedef Benchmark INHERITED; |
| 72 | const size_t fCacheSize; |
| 73 | SkString fName; |
| 74 | }; |
| 75 | |
| 76 | class SkGlyphCacheStressTest : public Benchmark { |
| 77 | public: |
| 78 | explicit SkGlyphCacheStressTest(int cacheSize) : fCacheSize(cacheSize) { } |
| 79 | |
| 80 | protected: |
| 81 | const char* onGetName() override { |
| 82 | fName.printf("SkGlyphCacheStressTest%dK", (int)(fCacheSize >> 10)); |
| 83 | return fName.c_str(); |
| 84 | } |
| 85 | |
| 86 | bool isSuitableFor(Backend backend) override { |
| 87 | return backend == kNonRendering_Backend; |
| 88 | } |
| 89 | |
mtklein | a1ebeb2 | 2015-10-01 09:43:39 -0700 | [diff] [blame] | 90 | void onDraw(int loops, SkCanvas*) override { |
herb | 1052f51 | 2015-09-18 12:09:43 -0700 | [diff] [blame] | 91 | size_t oldCacheLimitSize = SkGraphics::GetFontCacheLimit(); |
| 92 | SkGraphics::SetFontCacheLimit(fCacheSize); |
| 93 | SkTypeface* typefaces[] = |
| 94 | {sk_tool_utils::create_portable_typeface("serif", SkTypeface::kItalic), |
| 95 | sk_tool_utils::create_portable_typeface("sans-serif", SkTypeface::kItalic)}; |
| 96 | |
| 97 | for (int work = 0; work < loops; work++) { |
mtklein | 279c786 | 2016-01-04 19:13:19 -0800 | [diff] [blame] | 98 | SkTaskGroup().batch(16, [&](int threadIndex) { |
herb | 1052f51 | 2015-09-18 12:09:43 -0700 | [diff] [blame] | 99 | SkPaint paint; |
| 100 | paint.setAntiAlias(true); |
| 101 | paint.setSubpixelText(true); |
| 102 | paint.setTypeface(typefaces[threadIndex % 2]); |
| 103 | do_font_stuff(&paint); |
| 104 | }); |
| 105 | } |
| 106 | SkGraphics::SetFontCacheLimit(oldCacheLimitSize); |
herb | 0d39d37 | 2015-09-18 13:52:18 -0700 | [diff] [blame] | 107 | SkSafeUnref(typefaces[0]); |
| 108 | SkSafeUnref(typefaces[1]); |
herb | 1052f51 | 2015-09-18 12:09:43 -0700 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | private: |
| 112 | typedef Benchmark INHERITED; |
| 113 | const size_t fCacheSize; |
| 114 | SkString fName; |
| 115 | }; |
| 116 | |
| 117 | DEF_BENCH( return new SkGlyphCacheBasic(256 * 1024); ) |
| 118 | DEF_BENCH( return new SkGlyphCacheBasic(32 * 1024 * 1024); ) |
| 119 | DEF_BENCH( return new SkGlyphCacheStressTest(256 * 1024); ) |
| 120 | DEF_BENCH( return new SkGlyphCacheStressTest(32 * 1024 * 1024); ) |