2 * Copyright © 2011 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * Author: Chris Wilson <chris@chris-wilson.co.uk>
27 #include "cairo-perf.h"
29 static uint32_t state;
32 uniform_random (double minval, double maxval)
34 static uint32_t const poly = 0x9a795537U;
37 state = 2*state < state ? (2*state ^ poly) : 2*state;
38 return minval + state * (maxval - minval) / 4294967296.0;
42 do_many_curves_stroked (cairo_t *cr, int width, int height, int loops)
47 cairo_move_to (cr, uniform_random (0, width), uniform_random (0, height));
48 for (count = 0; count < 1000; count++) {
49 double x1 = uniform_random (0, width);
50 double x2 = uniform_random (0, width);
51 double x3 = uniform_random (0, width);
52 double y1 = uniform_random (0, height);
53 double y2 = uniform_random (0, height);
54 double y3 = uniform_random (0, height);
55 cairo_curve_to (cr, x1, y1, x2, y2, x3, y3);
58 cairo_perf_timer_start ();
59 cairo_perf_set_thread_aware (cr, FALSE);
63 cairo_perf_set_thread_aware (cr, TRUE);
64 cairo_stroke_preserve (cr);
67 cairo_perf_timer_stop ();
71 return cairo_perf_timer_elapsed ();
75 do_many_curves_hair_stroked (cairo_t *cr, int width, int height, int loops)
77 cairo_set_line_width (cr, 1.);
78 return do_many_curves_stroked (cr, width, height, loops);
82 do_many_curves_wide_stroked (cairo_t *cr, int width, int height, int loops)
84 cairo_set_line_width (cr, 5.);
85 return do_many_curves_stroked (cr, width, height, loops);
89 do_many_curves_filled (cairo_t *cr, int width, int height, int loops)
94 for (count = 0; count < 1000; count++) {
95 double x0 = uniform_random (0, width);
96 double x1 = uniform_random (0, width);
97 double x2 = uniform_random (0, width);
98 double x3 = uniform_random (0, width);
99 double xm = uniform_random (0, width);
100 double xn = uniform_random (0, width);
101 double y0 = uniform_random (0, height);
102 double y1 = uniform_random (0, height);
103 double y2 = uniform_random (0, height);
104 double y3 = uniform_random (0, height);
105 double ym = uniform_random (0, height);
106 double yn = uniform_random (0, height);
107 cairo_move_to (cr, xm, ym);
108 cairo_curve_to (cr, x1, y1, x2, y2, xn, yn);
109 cairo_curve_to (cr, x3, y3, x0, y0, xm, ym);
110 cairo_close_path (cr);
113 cairo_perf_timer_start ();
114 cairo_perf_set_thread_aware (cr, FALSE);
118 cairo_perf_set_thread_aware (cr, TRUE);
119 cairo_fill_preserve (cr);
122 cairo_perf_timer_stop ();
126 return cairo_perf_timer_elapsed ();
130 many_curves_enabled (cairo_perf_t *perf)
132 return cairo_perf_can_run (perf, "many-curves", NULL);
136 many_curves (cairo_perf_t *perf, cairo_t *cr, int width, int height)
138 cairo_set_source_rgb (cr, 1., 1., 1.);
140 cairo_perf_run (perf, "many-curves-hair-stroked", do_many_curves_hair_stroked, NULL);
141 cairo_perf_run (perf, "many-curves-wide-stroked", do_many_curves_wide_stroked, NULL);
142 cairo_perf_run (perf, "many-curves-filled", do_many_curves_filled, NULL);