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/*
* Copyright 2009 Benjamin Otte
*
* 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: Benjamin Otte <otte@gnome.org>
*/
#include "cairo-test.h"
#include <pthread.h>
#define N_THREADS 8
#define WIDTH 64
#define HEIGHT 8
static void *
draw_thread (void *arg)
{
cairo_surface_t *surface = arg;
cairo_t *cr;
int x, y;
cr = cairo_create (surface);
cairo_surface_destroy (surface);
for (y = 0; y < HEIGHT; y++) {
for (x = 0; x < WIDTH; x++) {
cairo_rectangle (cr, x, y, 1, 1);
cairo_set_source_rgba (cr, 0, 0.75, 0.75, (double) x / WIDTH);
cairo_fill (cr);
}
}
surface = cairo_surface_reference (cairo_get_target (cr));
cairo_destroy (cr);
return surface;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
pthread_t threads[N_THREADS];
cairo_test_status_t test_status = CAIRO_TEST_SUCCESS;
int i;
for (i = 0; i < N_THREADS; i++) {
cairo_surface_t *surface;
surface = cairo_surface_create_similar (cairo_get_target (cr),
CAIRO_CONTENT_COLOR,
WIDTH, HEIGHT);
if (pthread_create (&threads[i], NULL, draw_thread, surface) != 0) {
threads[i] = pthread_self ();
test_status = cairo_test_status_from_status (cairo_test_get_context (cr),
cairo_surface_status (surface));
cairo_surface_destroy (surface);
break;
}
}
for (i = 0; i < N_THREADS; i++) {
void *surface;
if (pthread_equal (threads[i], pthread_self ()))
break;
if (pthread_join (threads[i], &surface) == 0) {
cairo_set_source_surface (cr, surface, 0, 0);
cairo_surface_destroy (surface);
cairo_paint (cr);
cairo_translate (cr, 0, HEIGHT);
} else {
test_status = CAIRO_TEST_FAILURE;
}
}
return test_status;
}
CAIRO_TEST (pthread_similar,
"Draw lots of 1x1 rectangles on similar surfaces in lots of threads",
"threads", /* keywords */
NULL, /* requirements */
WIDTH, HEIGHT * N_THREADS,
NULL, draw)
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