ShaderMaskFilterBench.cpp 2.3 KB

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  1. /*
  2. * Copyright 2018 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. #include "bench/Benchmark.h"
  8. #include "include/core/SkCanvas.h"
  9. #include "include/core/SkPaint.h"
  10. #include "include/core/SkPictureRecorder.h"
  11. #include "include/core/SkSurface.h"
  12. #include "include/effects/SkShaderMaskFilter.h"
  13. #include "src/shaders/SkPictureShader.h"
  14. static sk_sp<SkShader> make_bitmap_shader() {
  15. SkPaint p;
  16. p.setColor(SK_ColorBLACK);
  17. p.setAntiAlias(true);
  18. auto surface = SkSurface::MakeRasterN32Premul(100, 100);
  19. surface->getCanvas()->drawCircle(50, 50, 50, p);
  20. return surface->makeImageSnapshot()->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat);
  21. }
  22. static sk_sp<SkShader> make_picture_shader() {
  23. SkPaint p;
  24. p.setColor(SK_ColorBLACK);
  25. p.setAntiAlias(true);
  26. SkPictureRecorder recorder;
  27. recorder.beginRecording(100, 100)->drawCircle(50, 50, 50, p);
  28. return recorder.finishRecordingAsPicture()->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat);
  29. }
  30. class ShaderMFBench final : public Benchmark {
  31. public:
  32. using ShaderMaker = sk_sp<SkShader>(*)();
  33. ShaderMFBench(const char* nm, bool opaque, const ShaderMaker& maker) {
  34. fMaskFilter = SkShaderMaskFilter::Make(maker());
  35. fColor = opaque ? 0xff00ff00 : 0x8000ff00;
  36. fName = SkStringPrintf("shadermaskfilter_%s_%x", nm, SkColorGetA(fColor));
  37. }
  38. protected:
  39. const char* onGetName() override {
  40. return fName.c_str();
  41. }
  42. void onDraw(int loops, SkCanvas* canvas) override {
  43. SkPaint maskPaint;
  44. maskPaint.setMaskFilter(fMaskFilter);
  45. for (int i = 0; i < loops; ++i) {
  46. SkAutoCanvasRestore arc(canvas, false);
  47. canvas->saveLayer(nullptr, &maskPaint);
  48. canvas->drawColor(fColor);
  49. }
  50. }
  51. private:
  52. SkString fName;
  53. sk_sp<SkMaskFilter> fMaskFilter;
  54. SkColor fColor;
  55. using INHERITED = Benchmark;
  56. };
  57. DEF_BENCH( return new ShaderMFBench("bitmap" , true , make_bitmap_shader ); )
  58. DEF_BENCH( return new ShaderMFBench("bitmap" , false, make_bitmap_shader ); )
  59. DEF_BENCH( return new ShaderMFBench("picture", true , make_picture_shader); )
  60. DEF_BENCH( return new ShaderMFBench("picture", false, make_picture_shader); )