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[perf/benchmark-font] Add benchmark for glyph_h_advance

This commit is contained in:
Behdad Esfahbod 2022-05-02 16:59:48 -06:00
parent 1c0a3d4d16
commit f67e6bf79c
1 changed files with 23 additions and 3 deletions
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26
perf/benchmark-font.cc
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@ -33,7 +33,8 @@ enum backend_t { HARFBUZZ, FREETYPE };
enum operation_t
{
nominal_glyph,
nominal_glyphs,
glyph_h_advances,
glyph_extents,
glyph_shape,
};
@ -102,7 +103,7 @@ static void BM_Font (benchmark::State &state,
switch (operation)
{
case nominal_glyph:
case nominal_glyphs:
{
hb_set_t *set = hb_set_create ();
hb_face_collect_unicodes (hb_font_get_face (font), set);
@ -127,6 +128,24 @@ static void BM_Font (benchmark::State &state,
hb_set_destroy (set);
break;
}
case glyph_h_advances:
{
hb_codepoint_t *glyphs = (hb_codepoint_t *) calloc (num_glyphs, sizeof (hb_codepoint_t));
hb_position_t *advances = (hb_position_t *) calloc (num_glyphs, sizeof (hb_codepoint_t));
for (unsigned g = 0; g < num_glyphs; g++)
glyphs[g] = g;
for (auto _ : state)
hb_font_get_glyph_h_advances (font,
num_glyphs,
glyphs, sizeof (*glyphs),
advances, sizeof (*advances));
free (advances);
free (glyphs);
break;
}
case glyph_extents:
{
hb_glyph_extents_t extents;
@ -191,7 +210,8 @@ int main(int argc, char** argv)
{
#define TEST_OPERATION(op, time_unit) test_operation (op, #op, time_unit)
TEST_OPERATION (nominal_glyph, benchmark::kMicrosecond);
TEST_OPERATION (nominal_glyphs, benchmark::kMicrosecond);
TEST_OPERATION (glyph_h_advances, benchmark::kMicrosecond);
TEST_OPERATION (glyph_extents, benchmark::kMicrosecond);
TEST_OPERATION (glyph_shape, benchmark::kMicrosecond);