diff options
Diffstat (limited to 'libs/cairo-1.16.0/perf/micro/curve.c')
-rw-r--r-- | libs/cairo-1.16.0/perf/micro/curve.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/libs/cairo-1.16.0/perf/micro/curve.c b/libs/cairo-1.16.0/perf/micro/curve.c deleted file mode 100644 index 3b5a163..0000000 --- a/libs/cairo-1.16.0/perf/micro/curve.c +++ /dev/null @@ -1,111 +0,0 @@ -/* - * 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_curve_stroke (cairo_t *cr, int width, int height, int loops) -{ - state = 0xc0ffee; - cairo_set_line_width (cr, 2.); - cairo_perf_timer_start (); - - while (loops--) { - 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_move_to (cr, uniform_random (0, width), uniform_random (0, height)); - cairo_curve_to (cr, x1, y1, x2, y2, x3, y3); - cairo_stroke(cr); - } - - cairo_perf_timer_stop (); - - return cairo_perf_timer_elapsed (); -} - -static cairo_time_t -do_curve_fill (cairo_t *cr, int width, int height, int loops) -{ - state = 0xc0ffee; - cairo_perf_timer_start (); - - while (loops--) { - 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_fill(cr); - } - - cairo_perf_timer_stop (); - - return cairo_perf_timer_elapsed (); -} - -cairo_bool_t -curve_enabled (cairo_perf_t *perf) -{ - return cairo_perf_can_run (perf, "curve", NULL); -} - -void -curve (cairo_perf_t *perf, cairo_t *cr, int width, int height) -{ - cairo_set_source_rgb (cr, 1., 1., 1.); - - cairo_perf_run (perf, "curve-stroked", do_curve_stroke, NULL); - cairo_perf_run (perf, "curve-filled", do_curve_fill, NULL); -} |