mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
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106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
/*
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* Copyright 2009 Benjamin Otte
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Benjamin Otte not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Benjamin Otte makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* BENJAMIN OTTE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL BENJAMIN OTTE BE LIABLE FOR ANY SPECIAL,
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* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Benjamin Otte <otte@gnome.org>
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*/
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#include "cairo-test.h"
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#include <pthread.h>
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#define N_THREADS 8
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#define WIDTH 64
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#define HEIGHT 8
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static void *
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draw_thread (void *arg)
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{
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cairo_surface_t *surface = arg;
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cairo_t *cr;
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int x, y;
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cr = cairo_create (surface);
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cairo_surface_destroy (surface);
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for (y = 0; y < HEIGHT; y++) {
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for (x = 0; x < WIDTH; x++) {
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cairo_rectangle (cr, x, y, 1, 1);
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cairo_set_source_rgba (cr, 0, 0.75, 0.75, (double) x / WIDTH);
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cairo_fill (cr);
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}
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}
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surface = cairo_surface_reference (cairo_get_target (cr));
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cairo_destroy (cr);
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return surface;
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}
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static cairo_test_status_t
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draw (cairo_t *cr, int width, int height)
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{
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pthread_t threads[N_THREADS];
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cairo_test_status_t test_status = CAIRO_TEST_SUCCESS;
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int i;
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for (i = 0; i < N_THREADS; i++) {
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cairo_surface_t *surface;
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surface = cairo_surface_create_similar (cairo_get_target (cr),
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CAIRO_CONTENT_COLOR,
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WIDTH, HEIGHT);
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if (pthread_create (&threads[i], NULL, draw_thread, surface) != 0) {
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threads[i] = pthread_self ();
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test_status = cairo_test_status_from_status (cairo_test_get_context (cr),
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cairo_surface_status (surface));
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cairo_surface_destroy (surface);
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break;
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}
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}
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for (i = 0; i < N_THREADS; i++) {
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void *surface;
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if (pthread_equal (threads[i], pthread_self ()))
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break;
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if (pthread_join (threads[i], &surface) != 0) {
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test_status = CAIRO_TEST_FAILURE;
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break;
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}
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cairo_set_source_surface (cr, surface, 0, 0);
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cairo_surface_destroy (surface);
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cairo_paint (cr);
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cairo_translate (cr, 0, HEIGHT);
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}
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return test_status;
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}
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CAIRO_TEST (pthread_similar,
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"Draw lots of 1x1 rectangles on similar surfaces in lots of threads",
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"threads", /* keywords */
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NULL, /* requirements */
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WIDTH, HEIGHT * N_THREADS,
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NULL, draw)
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