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[benchmark-shape] Compare diff shapers, not font funcs

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This commit is contained in:
Behdad Esfahbod 2025-02-02 11:14:49 +00:00
parent 66bb94fe46
commit 9bd75952e5
1 changed files with 12 additions and 27 deletions
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39
perf/benchmark-shape.cc
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@ -42,11 +42,9 @@ struct test_input_t
static test_input_t *tests = default_tests;
static unsigned num_tests = sizeof (default_tests) / sizeof (default_tests[0]);
enum backend_t { HARFBUZZ, FREETYPE };
static void BM_Shape (benchmark::State &state,
bool is_var,
backend_t backend,
const char *shaper,
const test_input_t &input)
{
hb_font_t *font;
@ -63,19 +61,6 @@ static void BM_Shape (benchmark::State &state,
hb_font_set_variations (font, &wght, 1);
}
switch (backend)
{
case HARFBUZZ:
hb_ot_font_set_funcs (font);
break;
case FREETYPE:
#ifdef HAVE_FREETYPE
hb_ft_font_set_funcs (font);
#endif
break;
}
hb_blob_t *text_blob = hb_blob_create_from_file_or_fail (input.text_path);
assert (text_blob);
unsigned orig_text_length;
@ -93,7 +78,8 @@ static void BM_Shape (benchmark::State &state,
hb_buffer_clear_contents (buf);
hb_buffer_add_utf8 (buf, text, text_length, 0, end - text);
hb_buffer_guess_segment_properties (buf);
hb_shape (font, buf, nullptr, 0);
const char *shaper_list[] = {shaper, nullptr};
hb_shape_full (font, buf, nullptr, 0, shaper_list);
unsigned skip = end - text + 1;
text_length -= skip;
@ -106,10 +92,9 @@ static void BM_Shape (benchmark::State &state,
hb_font_destroy (font);
}
static void test_backend (backend_t backend,
const char *backend_name,
bool variable,
const test_input_t &test_input)
static void test_shaper (const char *shaper,
bool variable,
const test_input_t &test_input)
{
char name[1024] = "BM_Shape";
const char *p;
@ -121,9 +106,9 @@ static void test_backend (backend_t backend,
strcat (name, p ? p + 1 : test_input.text_path);
strcat (name, variable ? "/var" : "");
strcat (name, "/");
strcat (name, backend_name);
strcat (name, shaper);
benchmark::RegisterBenchmark (name, BM_Shape, variable, backend, test_input)
benchmark::RegisterBenchmark (name, BM_Shape, variable, shaper, test_input)
->Unit(benchmark::kMillisecond);
}
@ -150,10 +135,10 @@ int main(int argc, char** argv)
{
bool is_var = (bool) variable;
test_backend (HARFBUZZ, "hb", is_var, test_input);
#ifdef HAVE_FREETYPE
test_backend (FREETYPE, "ft", is_var, test_input);
#endif
const char **shapers = hb_shape_list_shapers ();
for (const char **shaper = shapers; *shaper; shaper++)
test_shaper (*shaper, is_var, test_input);
}
}