diff options
| author | Stanislaw Halik <sthalik@misaki.pl> | 2024-04-11 08:55:21 +0200 |
|---|---|---|
| committer | Stanislaw Halik <sthalik@misaki.pl> | 2024-04-11 21:40:00 +0200 |
| commit | c362121f04ffe72eed17126affc9129bbb354c49 (patch) | |
| tree | 3a0918ca5f11bb961d465211a49bd4ecdf3659ac /test | |
| parent | 9157adfe80dff953687ec364cc612cf45f2b9609 (diff) | |
rewrite bitmask impl
It's slower than the previous version but fixes a bug when stride isn't
a multiple of 8.
It can be improved further by setting `auto& byte` all at once instead
of setting individual bits of multiple bytes in the innermost loop.
------------------------------------------------------------
New version Time CPU Iterations
------------------------------------------------------------
Bitmask_mean 1911 us 1893 us 5
Bitmask_median 1911 us 1885 us 5
Bitmask_stddev 2.00 us 18.7 us 5
Bitmask_cv 0.10 % 0.99 % 5
-------------------------------------------------------------
------------------------------------------------------------
Buggy version Time CPU Iterations
------------------------------------------------------------
Bitmask_mean 841 us 841 us 5
Bitmask_median 839 us 837 us 5
Bitmask_stddev 3.29 us 7.80 us 5
Bitmask_cv 0.39 % 0.93 % 5
------------------------------------------------------------
-----------------------------------------------------------
Naive version Time CPU Iterations
------------------------------------------------------------
Bitmask_mean 4006 us 3997 us 10
Bitmask_median 4006 us 3997 us 10
Bitmask_stddev 2.29 us 0.000 us 10
Bitmask_cv 0.06 % 0.00 % 10
------------------------------------------------------------
Diffstat (limited to 'test')
| -rw-r--r-- | test/bitmask.cpp | 2 | ||||
| -rw-r--r-- | test/bitmask.embed.inc | 20 |
2 files changed, 11 insertions, 11 deletions
diff --git a/test/bitmask.cpp b/test/bitmask.cpp index d0b6c4d8..a1bbd0de 100644 --- a/test/bitmask.cpp +++ b/test/bitmask.cpp @@ -20,7 +20,7 @@ constexpr auto size = Vector2i{21, 52}; void bitmask_test() { - auto img = loader.texture(loader.SCENERY_PATH, "control-panel"_s); + auto img = loader.texture("images/", "bitmask-test1"_s); auto bitmask = anim_atlas::make_bitmask(img); fm_assert(bitmask.size() >= size_t{size.product()}); fm_assert(img.pixelSize() == 4); diff --git a/test/bitmask.embed.inc b/test/bitmask.embed.inc index 2b1f7a5f..561feee3 100644 --- a/test/bitmask.embed.inc +++ b/test/bitmask.embed.inc @@ -1,10 +1,10 @@ -0x03,0x00,0xe0,0x01,0x00,0x7c,0x00,0x80,0x3f,0x00,0xf0,0x1f,0x00,0xfe,0x0f, -0xc0,0xff,0x03,0xf8,0xff,0x01,0xff,0xff,0xe0,0xff,0x3f,0xfc,0xff,0x9f,0xff, -0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, -0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, -0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, -0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, -0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, -0xfe,0xff,0x1f,0xff,0xff,0x83,0xff,0x7f,0xe0,0xff,0x0f,0xf0,0xff,0x01,0xf8, -0x3f,0x00,0xfe,0x07,0x00,0xff,0x00,0x80,0x1f,0x00,0xc0,0x03,0x00,0x70,0x00, -0x00,0xb8, +0xfb,0xf3,0xfd,0xfd,0x04,0x7e,0x08,0xcd,0x3f,0x00,0xf9,0x1f,0x08,0xff,0x0f, +0xe0,0xff,0xc3,0xfc,0xff,0x91,0xf3,0xff,0x70,0xfe,0xbf,0x8e,0xff,0x9f,0xfb, +0xff,0x7f,0xff,0xff,0xef,0xff,0xff,0xfd,0xff,0xbf,0xff,0xff,0xf7,0xff,0xff, +0xff,0xff,0xcf,0xff,0xf7,0xf8,0x7f,0x1e,0xff,0xef,0xff,0xff,0xfd,0xff,0xff, +0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xc7,0xff,0x3f, +0xf8,0xff,0x07,0x7e,0xfe,0xc0,0xcf,0x1f,0xf8,0xfd,0x87,0xbf,0xff,0xff,0xf7, +0xff,0xff,0xfe,0xff,0xbf,0xff,0xff,0xfd,0xff,0xff,0xff,0xff,0xff,0xff,0xfd, +0xfe,0x3f,0x1f,0xff,0xc7,0x83,0xff,0x78,0xe0,0x1f,0x0e,0xf0,0xe3,0x11,0xf8, +0x3f,0x0e,0xfe,0x17,0x03,0xff,0xc3,0x80,0x3f,0x21,0xc0,0x6b,0x08,0xf0,0x08, +0x06,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, |