diff options
author | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
commit | 530ffd0b7d3c39757b20f00716e486b5caf89aff (patch) | |
tree | 76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/perf/micro/many-curves.c | |
parent | 3dbe9332e47c143a237db12440f134caebd1cfbe (diff) |
add cairo
Diffstat (limited to 'libs/cairo-1.16.0/perf/micro/many-curves.c')
-rw-r--r-- | libs/cairo-1.16.0/perf/micro/many-curves.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/perf/micro/many-curves.c b/libs/cairo-1.16.0/perf/micro/many-curves.c new file mode 100644 index 0000000..f985d34 --- /dev/null +++ b/libs/cairo-1.16.0/perf/micro/many-curves.c @@ -0,0 +1,135 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Author: Chris Wilson <chris@chris-wilson.co.uk> + */ + +#include "cairo-perf.h" + +static uint32_t state; + +static double +uniform_random (double minval, double maxval) +{ + static uint32_t const poly = 0x9a795537U; + uint32_t n = 32; + while (n-->0) + state = 2*state < state ? (2*state ^ poly) : 2*state; + return minval + state * (maxval - minval) / 4294967296.0; +} + +static cairo_time_t +do_many_curves_stroked (cairo_t *cr, int width, int height, int loops) +{ + int count; + + state = 0xc0ffee; + cairo_move_to (cr, uniform_random (0, width), uniform_random (0, height)); + for (count = 0; count < 1000; count++) { + double x1 = uniform_random (0, width); + double x2 = uniform_random (0, width); + double x3 = uniform_random (0, width); + double y1 = uniform_random (0, height); + double y2 = uniform_random (0, height); + double y3 = uniform_random (0, height); + cairo_curve_to (cr, x1, y1, x2, y2, x3, y3); + } + + cairo_perf_timer_start (); + + while (loops--) + cairo_stroke_preserve (cr); + + cairo_perf_timer_stop (); + + cairo_new_path (cr); + + return cairo_perf_timer_elapsed (); +} + +static cairo_time_t +do_many_curves_hair_stroked (cairo_t *cr, int width, int height, int loops) +{ + cairo_set_line_width (cr, 1.); + return do_many_curves_stroked (cr, width, height, loops); +} + +static cairo_time_t +do_many_curves_wide_stroked (cairo_t *cr, int width, int height, int loops) +{ + cairo_set_line_width (cr, 5.); + return do_many_curves_stroked (cr, width, height, loops); +} + +static cairo_time_t +do_many_curves_filled (cairo_t *cr, int width, int height, int loops) +{ + int count; + + state = 0xc0ffee; + for (count = 0; count < 1000; count++) { + double x0 = uniform_random (0, width); + double x1 = uniform_random (0, width); + double x2 = uniform_random (0, width); + double x3 = uniform_random (0, width); + double xm = uniform_random (0, width); + double xn = uniform_random (0, width); + double y0 = uniform_random (0, height); + double y1 = uniform_random (0, height); + double y2 = uniform_random (0, height); + double y3 = uniform_random (0, height); + double ym = uniform_random (0, height); + double yn = uniform_random (0, height); + cairo_move_to (cr, xm, ym); + cairo_curve_to (cr, x1, y1, x2, y2, xn, yn); + cairo_curve_to (cr, x3, y3, x0, y0, xm, ym); + cairo_close_path (cr); + } + + cairo_perf_timer_start (); + + while (loops--) + cairo_fill_preserve (cr); + + cairo_perf_timer_stop (); + + cairo_new_path (cr); + + return cairo_perf_timer_elapsed (); +} + +cairo_bool_t +many_curves_enabled (cairo_perf_t *perf) +{ + return cairo_perf_can_run (perf, "many-curves", NULL); +} + +void +many_curves (cairo_perf_t *perf, cairo_t *cr, int width, int height) +{ + cairo_set_source_rgb (cr, 1., 1., 1.); + + cairo_perf_run (perf, "many-curves-hair-stroked", do_many_curves_hair_stroked, NULL); + cairo_perf_run (perf, "many-curves-wide-stroked", do_many_curves_wide_stroked, NULL); + cairo_perf_run (perf, "many-curves-filled", do_many_curves_filled, NULL); +} |