diff options
Diffstat (limited to 'perf/benchmark-shape.cc')
| -rw-r--r-- | perf/benchmark-shape.cc | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/perf/benchmark-shape.cc b/perf/benchmark-shape.cc new file mode 100644 index 000000000..f44b3e58f --- /dev/null +++ b/perf/benchmark-shape.cc @@ -0,0 +1,180 @@ +#include "benchmark/benchmark.h" +#include <cstring> + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <cassert> + +#include "hb.h" +#include "hb-ot.h" +#ifdef HAVE_FREETYPE +#include "hb-ft.h" +#endif + +#define SUBSET_FONT_BASE_PATH "test/subset/data/fonts/" + +struct test_input_t +{ + const char *font_path; + const char *text_path; + bool is_variable; +} default_tests[] = +{ + + {"perf/fonts/NotoNastaliqUrdu-Regular.ttf", + "perf/texts/fa-thelittleprince.txt", + false}, + + {"perf/fonts/NotoNastaliqUrdu-Regular.ttf", + "perf/texts/fa-words.txt", + false}, + + {"perf/fonts/Amiri-Regular.ttf", + "perf/texts/fa-thelittleprince.txt", + false}, + + {SUBSET_FONT_BASE_PATH "NotoSansDevanagari-Regular.ttf", + "perf/texts/hi-words.txt", + false}, + + {"perf/fonts/Roboto-Regular.ttf", + "perf/texts/en-thelittleprince.txt", + false}, + + {"perf/fonts/Roboto-Regular.ttf", + "perf/texts/en-words.txt", + false}, + + {SUBSET_FONT_BASE_PATH "SourceSerifVariable-Roman.ttf", + "perf/texts/en-thelittleprince.txt", + true}, +}; + +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 test_input_t &input) +{ + hb_font_t *font; + { + hb_blob_t *blob = hb_blob_create_from_file_or_fail (input.font_path); + assert (blob); + hb_face_t *face = hb_face_create (blob, 0); + hb_blob_destroy (blob); + font = hb_font_create (face); + hb_face_destroy (face); + } + + if (is_var) + { + hb_variation_t wght = {HB_TAG ('w','g','h','t'), 500}; + 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; + const char *orig_text = hb_blob_get_data (text_blob, &orig_text_length); + + hb_buffer_t *buf = hb_buffer_create (); + for (auto _ : state) + { + unsigned text_length = orig_text_length; + const char *text = orig_text; + + const char *end; + while ((end = (const char *) memchr (text, '\n', text_length))) + { + 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); + + unsigned skip = end - text + 1; + text_length -= skip; + text += skip; + } + } + hb_buffer_destroy (buf); + + hb_blob_destroy (text_blob); + hb_font_destroy (font); +} + +static void test_backend (backend_t backend, + const char *backend_name, + bool variable, + const test_input_t &test_input) +{ + char name[1024] = "BM_Shape"; + const char *p; + strcat (name, "/"); + p = strrchr (test_input.font_path, '/'); + strcat (name, p ? p + 1 : test_input.font_path); + strcat (name, "/"); + p = strrchr (test_input.text_path, '/'); + strcat (name, p ? p + 1 : test_input.text_path); + strcat (name, variable ? "/var" : ""); + strcat (name, "/"); + strcat (name, backend_name); + + benchmark::RegisterBenchmark (name, BM_Shape, variable, backend, test_input) + ->Unit(benchmark::kMillisecond); +} + +int main(int argc, char** argv) +{ + benchmark::Initialize(&argc, argv); + + if (argc > 2) + { + num_tests = (argc - 1) / 2; + tests = (test_input_t *) calloc (num_tests, sizeof (test_input_t)); + for (unsigned i = 0; i < num_tests; i++) + { + tests[i].is_variable = true; + tests[i].font_path = argv[1 + i * 2]; + tests[i].text_path = argv[2 + i * 2]; + } + } + + for (unsigned i = 0; i < num_tests; i++) + { + auto& test_input = tests[i]; + for (int variable = 0; variable < int (test_input.is_variable) + 1; variable++) + { + 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 + } + } + + benchmark::RunSpecifiedBenchmarks(); + benchmark::Shutdown(); + + if (tests != default_tests) + free (tests); +} |