From 530ffd0b7d3c39757b20f00716e486b5caf89aff Mon Sep 17 00:00:00 2001 From: sanine Date: Wed, 12 Oct 2022 12:03:23 -0500 Subject: add cairo --- libs/cairo-1.16.0/perf/micro/subimage_copy.c | 80 ++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 libs/cairo-1.16.0/perf/micro/subimage_copy.c (limited to 'libs/cairo-1.16.0/perf/micro/subimage_copy.c') diff --git a/libs/cairo-1.16.0/perf/micro/subimage_copy.c b/libs/cairo-1.16.0/perf/micro/subimage_copy.c new file mode 100644 index 0000000..e749c06 --- /dev/null +++ b/libs/cairo-1.16.0/perf/micro/subimage_copy.c @@ -0,0 +1,80 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth + */ + +#include "cairo-perf.h" + +/* This case exposes a performance bug found by Christopher "Monty" + * Montgomery in that copying a tiny portion of an image surface to an + * X surface causes the entire image surface to be copied to an + * intermediate surface. + * + * If the performance bug is fixed, then the time this test takes + * should be independent of the source and destination surface sizes. + */ + +static cairo_time_t +do_subimage_copy (cairo_t *cr, int width, int height, int loops) +{ + cairo_rectangle (cr, 2, 2, 4, 4); + cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); + + 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 +subimage_copy_enabled (cairo_perf_t *perf) +{ + return cairo_perf_can_run (perf, "subimage-copy", NULL); +} + +void +subimage_copy (cairo_perf_t *perf, cairo_t *cr, int width, int height) +{ + cairo_surface_t *image; + cairo_t *cr2; + + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + cairo_paint (cr); + + image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height); + cr2 = cairo_create (image); + cairo_set_source_rgb (cr2, 1, 0, 0); /* red */ + cairo_paint (cr2); + cairo_destroy (cr2); + + cairo_set_source_surface (cr, image, 0, 0); + cairo_surface_destroy (image); + + cairo_perf_run (perf, "subimage-copy", do_subimage_copy, NULL); +} -- cgit v1.2.1