submodule/skia/modules/skparagraph/bench/ParagraphBench.cpp

   1 // Copyright 2019 Google LLC.
   2 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
   3
   4 #include "bench/Benchmark.h"
   5
   6 #if !defined(SK_BUILD_FOR_ANDROID_FRAMEWORK) && !defined(SK_BUILD_FOR_GOOGLE3)
   7
   8 #include "modules/skparagraph/include/FontCollection.h"
   9 #include "modules/skparagraph/include/Paragraph.h"
  10 #include "modules/skparagraph/src/ParagraphBuilderImpl.h"
  11 #include "modules/skparagraph/src/ParagraphImpl.h"
  12 #include "tools/Resources.h"
  13
  14 #include <cfloat>
  15 #include "include/core/SkPictureRecorder.h"
  16 #include "modules/skparagraph/utils/TestFontCollection.h"
  17
  18 using namespace skia::textlayout;
  19 namespace {
  20 struct ParagraphBench : public Benchmark {
  21     ParagraphBench(SkScalar width, const char* r, const char* n)
  22             : fResource(r), fName(n), fWidth(width) {}
  23     sk_sp<SkData> fData;
  24     const char* fResource;
  25     const char* fName;
  26     SkScalar fWidth;
  27     const char* onGetName() override { return fName; }
  28     bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
  29     void onDelayedSetup() override { fData = GetResourceAsData(fResource); }
  30     void onDraw(int loops, SkCanvas*) override {
  31         if (!fData) {
  32             return;
  33         }
  34
  35         const char* text = (const char*)fData->data();
  36
  37         auto fontCollection = sk_make_sp<FontCollection>();
  38         fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
  39         ParagraphStyle paragraph_style;
  40         paragraph_style.turnHintingOff();
  41         ParagraphBuilderImpl builder(paragraph_style, fontCollection);
  42         builder.addText(text);
  43         auto paragraph = builder.Build();
  44
  45         SkPictureRecorder rec;
  46         SkCanvas* canvas = rec.beginRecording({0,0, 2000,3000});
  47         while (loops-- > 0) {
  48             paragraph->layout(fWidth);
  49             auto impl = static_cast<ParagraphImpl*>(paragraph.get());
  50             paragraph->paint(canvas, 0, 0);
  51             paragraph->markDirty();
  52             impl->resetCache();
  53         }
  54     }
  55 };
  56 }  // namespace
  57
  58 #define PARAGRAPH_BENCH(X) DEF_BENCH(return new ParagraphBench(50000, "text/" #X ".txt", "paragraph_" #X);)
  59 //PARAGRAPH_BENCH(arabic)
  60 //PARAGRAPH_BENCH(emoji)
  61 PARAGRAPH_BENCH(english)
  62 #undef PARAGRAPH_BENCH
  63
  64 #endif  // !defined(SK_BUILD_FOR_ANDROID_FRAMEWORK) && !defined(SK_BUILD_FOR_GOOGLE3)