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[benchmark-font] Do some work in draw_glyph callbacks

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For no good reason other than matching what I'm adding to
skrifa benchmark.  Doesn't seem to affect benchmarks whatsoever.
This commit is contained in:
Behdad Esfahbod 2023-07-02 09:55:37 -06:00
parent 47b5ee6789
commit 7d72fdd5bf
1 changed files with 27 additions and 6 deletions
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33
perf/benchmark-font.cc
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@ -46,19 +46,39 @@ enum operation_t
};
static void
_hb_move_to (hb_draw_funcs_t *, void *, hb_draw_state_t *, float, float, void *) {}
_hb_move_to (hb_draw_funcs_t *, void *draw_data, hb_draw_state_t *, float x, float y, void *)
{
float &i = * (float *) draw_data;
i += x + y;
}
static void
_hb_line_to (hb_draw_funcs_t *, void *, hb_draw_state_t *, float, float, void *) {}
_hb_line_to (hb_draw_funcs_t *, void *draw_data, hb_draw_state_t *, float x, float y, void *)
{
float &i = * (float *) draw_data;
i += x + y;
}
static void
_hb_quadratic_to (hb_draw_funcs_t *, void *, hb_draw_state_t *, float, float, float, float, void *) {}
_hb_quadratic_to (hb_draw_funcs_t *, void *draw_data, hb_draw_state_t *, float cx, float cy, float x, float y, void *)
{
float &i = * (float *) draw_data;
i += cx + cy + x + y;
}
static void
_hb_cubic_to (hb_draw_funcs_t *, void *, hb_draw_state_t *, float, float, float, float, float, float, void *) {}
_hb_cubic_to (hb_draw_funcs_t *, void *draw_data, hb_draw_state_t *, float cx1, float cy1, float cx2, float cy2, float x, float y, void *)
{
float &i = * (float *) draw_data;
i += cx1 + cy1 + cx2 + cy2 + x + y;
}
static void
_hb_close_path (hb_draw_funcs_t *, void *, hb_draw_state_t *, void *) {}
_hb_close_path (hb_draw_funcs_t *, void *draw_data, hb_draw_state_t *, void *)
{
float &i = * (float *) draw_data;
i += 1.0;
}
static hb_draw_funcs_t *
_draw_funcs_create (void)
@ -163,9 +183,10 @@ static void BM_Font (benchmark::State &state,
case draw_glyph:
{
hb_draw_funcs_t *draw_funcs = _draw_funcs_create ();
float i = 0;
for (auto _ : state)
for (unsigned gid = 0; gid < num_glyphs; ++gid)
hb_font_draw_glyph (font, gid, draw_funcs, nullptr);
hb_font_draw_glyph (font, gid, draw_funcs, &i);
hb_draw_funcs_destroy (draw_funcs);
break;
}