joshualitt | eef5b3e | 2015-04-03 08:07:26 -0700 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2015 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 | |
| 9 | #include "Benchmark.h" |
| 10 | #include "Resources.h" |
| 11 | #include "SkCanvas.h" |
| 12 | #include "SkPaint.h" |
| 13 | #include "SkRandom.h" |
| 14 | #include "SkStream.h" |
| 15 | #include "SkString.h" |
| 16 | #include "SkTemplates.h" |
| 17 | #include "SkTextBlob.h" |
| 18 | #include "SkTypeface.h" |
| 19 | |
| 20 | #include "sk_tool_utils.h" |
| 21 | |
| 22 | /* |
| 23 | * A trivial test which benchmarks the performance of a textblob with a single run. |
| 24 | */ |
| 25 | class TextBlobBench : public Benchmark { |
| 26 | public: |
| 27 | TextBlobBench() |
kkinnunen | b4a797f | 2015-05-21 06:15:28 -0700 | [diff] [blame] | 28 | : fTypeface(NULL) { |
| 29 | } |
| 30 | |
| 31 | protected: |
| 32 | void onPreDraw() override { |
| 33 | fTypeface.reset(sk_tool_utils::create_portable_typeface("Times", SkTypeface::kNormal)); |
joshualitt | eef5b3e | 2015-04-03 08:07:26 -0700 | [diff] [blame] | 34 | // make textblob |
| 35 | SkPaint paint; |
| 36 | paint.setTypeface(fTypeface); |
| 37 | const char* text = "Hello blob!"; |
| 38 | SkTDArray<uint16_t> glyphs; |
| 39 | size_t len = strlen(text); |
| 40 | glyphs.append(paint.textToGlyphs(text, len, NULL)); |
| 41 | paint.textToGlyphs(text, len, glyphs.begin()); |
| 42 | |
| 43 | SkTextBlobBuilder builder; |
| 44 | |
| 45 | paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); |
| 46 | const SkTextBlobBuilder::RunBuffer& run = builder.allocRun(paint, glyphs.count(), 10, 10, |
| 47 | NULL); |
| 48 | memcpy(run.glyphs, glyphs.begin(), glyphs.count() * sizeof(uint16_t)); |
| 49 | |
| 50 | fBlob.reset(builder.build()); |
| 51 | } |
| 52 | |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 53 | const char* onGetName() override { |
joshualitt | eef5b3e | 2015-04-03 08:07:26 -0700 | [diff] [blame] | 54 | return "TextBlobBench"; |
| 55 | } |
| 56 | |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 57 | void onDraw(const int loops, SkCanvas* canvas) override { |
joshualitt | eef5b3e | 2015-04-03 08:07:26 -0700 | [diff] [blame] | 58 | SkPaint paint; |
| 59 | |
| 60 | // To ensure maximum caching, we just redraw the blob at the same place everytime |
| 61 | for (int i = 0; i < loops; i++) { |
| 62 | canvas->drawTextBlob(fBlob, 0, 0, paint); |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | private: |
| 67 | |
| 68 | SkAutoTUnref<const SkTextBlob> fBlob; |
| 69 | SkTDArray<uint16_t> fGlyphs; |
| 70 | SkAutoTUnref<SkTypeface> fTypeface; |
| 71 | |
| 72 | typedef Benchmark INHERITED; |
| 73 | }; |
| 74 | |
| 75 | DEF_BENCH( return new TextBlobBench(); ) |