kc3-lang/harfbuzz/perf/perf-draw.hh

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• Hash : 5f9ff04f
  Author :
  Date : 2020-06-18T02:33:05
  

  Add comparison against ttf-parser
  

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• perf/perf-draw.hh

• #include "benchmark/benchmark.h"
  
  #include "hb.h"
  #include "hb-ot.h"
  #include "hb-ft.h"
  #include FT_OUTLINE_H
  
  #ifdef HAVE_TTFPARSER
  #include "ttfparser.h"
  #endif
  
  #define HB_UNUSED __attribute__((unused))
  
  static void
  _hb_move_to (hb_position_t to_x HB_UNUSED, hb_position_t to_y HB_UNUSED, void *user_data HB_UNUSED) {}
  
  static void
  _hb_line_to (hb_position_t to_x HB_UNUSED, hb_position_t to_y HB_UNUSED, void *user_data HB_UNUSED) {}
  
  static void
  _hb_quadratic_to (hb_position_t control_x HB_UNUSED, hb_position_t control_y HB_UNUSED,
  		  hb_position_t to_x HB_UNUSED, hb_position_t to_y HB_UNUSED,
  		  void *user_data HB_UNUSED) {}
  
  static void
  _hb_cubic_to (hb_position_t control1_x HB_UNUSED, hb_position_t control1_y HB_UNUSED,
  	      hb_position_t control2_x HB_UNUSED, hb_position_t control2_y HB_UNUSED,
  	      hb_position_t to_x HB_UNUSED, hb_position_t to_y HB_UNUSED,
  	      void *user_data HB_UNUSED) {}
  
  static void
  _hb_close_path (void *user_data HB_UNUSED) {}
  
  static void
  _ft_move_to (const FT_Vector* to HB_UNUSED, void* user HB_UNUSED) {}
  
  static void
  _ft_line_to (const FT_Vector* to HB_UNUSED, void* user HB_UNUSED) {}
  
  static void
  _ft_conic_to (const FT_Vector* control HB_UNUSED, const FT_Vector* to HB_UNUSED,
  	      void* user HB_UNUSED) {}
  
  static void
  _ft_cubic_to (const FT_Vector* control1 HB_UNUSED, const FT_Vector* control2 HB_UNUSED,
  	      const FT_Vector* to HB_UNUSED, void* user HB_UNUSED) {}
  
  #ifdef HAVE_TTFPARSER
  static void _tp_move_to (float x HB_UNUSED, float y HB_UNUSED, void *data HB_UNUSED) {}
  static void _tp_line_to (float x, float y, void *data) {}
  static void _tp_quad_to (float x1, float y1, float x, float y, void *data) {}
  static void _tp_curve_to (float x1, float y1, float x2, float y2, float x, float y, void *data) {}
  static void _tp_close_path (void *data) {}
  #endif
  
  static void draw (benchmark::State &state, const char *font_path, bool is_var, backend_t backend)
  {
    hb_font_t *font;
    unsigned num_glyphs;
    {
      hb_blob_t *blob = hb_blob_create_from_file (font_path);
      assert (hb_blob_get_length (blob));
      hb_face_t *face = hb_face_create (blob, 0);
      hb_blob_destroy (blob);
      num_glyphs = hb_face_get_glyph_count (face);
      font = hb_font_create (face);
      hb_face_destroy (face);
    }
  
    if (backend == HARFBUZZ)
    {
      if (is_var)
      {
        hb_variation_t wght = {HB_TAG ('w','g','h','t'), 500};
        hb_font_set_variations (font, &wght, 1);
      }
      hb_draw_funcs_t *draw_funcs = hb_draw_funcs_create ();
      hb_draw_funcs_set_move_to_func (draw_funcs, _hb_move_to);
      hb_draw_funcs_set_line_to_func (draw_funcs, _hb_line_to);
      hb_draw_funcs_set_quadratic_to_func (draw_funcs, _hb_quadratic_to);
      hb_draw_funcs_set_cubic_to_func (draw_funcs, _hb_cubic_to);
      hb_draw_funcs_set_close_path_func (draw_funcs, _hb_close_path);
  
      for (auto _ : state)
        for (unsigned gid = 0; gid < num_glyphs; ++gid)
  	hb_font_draw_glyph (font, gid, draw_funcs, nullptr);
  
      hb_draw_funcs_destroy (draw_funcs);
    }
    else if (backend == FREETYPE)
    {
      if (is_var)
      {
        hb_variation_t wght = {HB_TAG ('w','g','h','t'), 500};
        hb_font_set_variations (font, &wght, 1);
      }
      hb_ft_font_set_funcs (font);
      FT_Face ft_face = hb_ft_font_get_face (font);
      hb_ft_font_set_load_flags (font, FT_LOAD_NO_HINTING | FT_LOAD_NO_SCALE);
  
      FT_Outline_Funcs draw_funcs;
      draw_funcs.move_to = (FT_Outline_MoveToFunc) _ft_move_to;
      draw_funcs.line_to = (FT_Outline_LineToFunc) _ft_line_to;
      draw_funcs.conic_to = (FT_Outline_ConicToFunc) _ft_conic_to;
      draw_funcs.cubic_to = (FT_Outline_CubicToFunc) _ft_cubic_to;
      draw_funcs.shift = 0;
      draw_funcs.delta = 0;
  
      for (auto _ : state)
        for (unsigned gid = 0; gid < num_glyphs; ++gid)
        {
  	FT_Load_Glyph (ft_face, gid, FT_LOAD_NO_HINTING | FT_LOAD_NO_SCALE);
  	FT_Outline_Decompose (&ft_face->glyph->outline, &draw_funcs, nullptr);
        }
    }
    else if (backend == TTF_PARSER)
    {
  #ifdef HAVE_TTFPARSER
      ttfp_face *tp_font = (ttfp_face *) malloc (ttfp_face_size_of ());
      hb_blob_t *blob = hb_face_reference_blob (hb_font_get_face (font));
      assert (ttfp_face_init (hb_blob_get_data (blob, nullptr), hb_blob_get_length (blob), 0, tp_font));
      if (is_var) ttfp_set_variation (tp_font, TTFP_TAG('w','g','h','t'), 500);
  
      ttfp_outline_builder builder;
      builder.move_to = _tp_move_to;
      builder.line_to = _tp_line_to;
      builder.quad_to = _tp_quad_to;
      builder.curve_to = _tp_curve_to;
      builder.close_path = _tp_close_path;
  
      ttfp_rect bbox;
      for (auto _ : state)
        for (unsigned gid = 0; gid < num_glyphs; ++gid)
  	ttfp_outline_glyph (tp_font, builder, &builder, gid, &bbox);
  
      hb_blob_destroy (blob);
      free (tp_font);
  #endif
    }
    else abort ();
  
    hb_font_destroy (font);
  }
  
  #define FONT_BASE_PATH "test/subset/data/fonts/"
  
  BENCHMARK_CAPTURE (draw, cff - ot - SourceSansPro, FONT_BASE_PATH "SourceSansPro-Regular.otf", false, HARFBUZZ);
  BENCHMARK_CAPTURE (draw, cff - ft - SourceSansPro, FONT_BASE_PATH "SourceSansPro-Regular.otf", false, FREETYPE);
  BENCHMARK_CAPTURE (draw, cff - tp - SourceSansPro, FONT_BASE_PATH "SourceSansPro-Regular.otf", false, TTF_PARSER);
  
  BENCHMARK_CAPTURE (draw, cff2 - ot - AdobeVFPrototype, FONT_BASE_PATH "AdobeVFPrototype.otf", false, HARFBUZZ);
  BENCHMARK_CAPTURE (draw, cff2 - ft - AdobeVFPrototype, FONT_BASE_PATH "AdobeVFPrototype.otf", false, FREETYPE);
  BENCHMARK_CAPTURE (draw, cff2 - tp - AdobeVFPrototype, FONT_BASE_PATH "AdobeVFPrototype.otf", false, TTF_PARSER);
  
  BENCHMARK_CAPTURE (draw, cff2/vf - ot - AdobeVFPrototype, FONT_BASE_PATH "AdobeVFPrototype.otf", true, HARFBUZZ);
  BENCHMARK_CAPTURE (draw, cff2/vf - ft - AdobeVFPrototype, FONT_BASE_PATH "AdobeVFPrototype.otf", true, FREETYPE);
  BENCHMARK_CAPTURE (draw, cff2/vf - tp - AdobeVFPrototype, FONT_BASE_PATH "AdobeVFPrototype.otf", true, TTF_PARSER);
  
  BENCHMARK_CAPTURE (draw, glyf - ot - SourceSerifVariable, FONT_BASE_PATH "SourceSerifVariable-Roman.ttf", false, HARFBUZZ);
  BENCHMARK_CAPTURE (draw, glyf - ft - SourceSerifVariable, FONT_BASE_PATH "SourceSerifVariable-Roman.ttf", false, FREETYPE);
  BENCHMARK_CAPTURE (draw, glyf - tp - SourceSerifVariable, FONT_BASE_PATH "SourceSerifVariable-Roman.ttf", false, TTF_PARSER);
  
  BENCHMARK_CAPTURE (draw, glyf/vf - ot - SourceSerifVariable, FONT_BASE_PATH "SourceSerifVariable-Roman.ttf", true, HARFBUZZ);
  BENCHMARK_CAPTURE (draw, glyf/vf - ft - SourceSerifVariable, FONT_BASE_PATH "SourceSerifVariable-Roman.ttf", true, FREETYPE);
  BENCHMARK_CAPTURE (draw, glyf/vf - tp - SourceSerifVariable, FONT_BASE_PATH "SourceSerifVariable-Roman.ttf", true, TTF_PARSER);
  
  BENCHMARK_CAPTURE (draw, glyf - ot - Comfortaa, FONT_BASE_PATH "Comfortaa-Regular-new.ttf", false, HARFBUZZ);
  BENCHMARK_CAPTURE (draw, glyf - ft - Comfortaa, FONT_BASE_PATH "Comfortaa-Regular-new.ttf", false, FREETYPE);
  BENCHMARK_CAPTURE (draw, glyf - tp - Comfortaa, FONT_BASE_PATH "Comfortaa-Regular-new.ttf", false, TTF_PARSER);
  
  BENCHMARK_CAPTURE (draw, glyf/vf - ot - Comfortaa, FONT_BASE_PATH "Comfortaa-Regular-new.ttf", true, HARFBUZZ);
  BENCHMARK_CAPTURE (draw, glyf/vf - ft - Comfortaa, FONT_BASE_PATH "Comfortaa-Regular-new.ttf", true, FREETYPE);
  BENCHMARK_CAPTURE (draw, glyf/vf - tp - Comfortaa, FONT_BASE_PATH "Comfortaa-Regular-new.ttf", true, TTF_PARSER);
  
  BENCHMARK_CAPTURE (draw, glyf - ot - Roboto, FONT_BASE_PATH "Roboto-Regular.ttf", false, HARFBUZZ);
  BENCHMARK_CAPTURE (draw, glyf - ft - Roboto, FONT_BASE_PATH "Roboto-Regular.ttf", false, FREETYPE);
  BENCHMARK_CAPTURE (draw, glyf - tp - Roboto, FONT_BASE_PATH "Roboto-Regular.ttf", false, TTF_PARSER);
  

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