diff options
Diffstat (limited to 'libs/cairo-1.16.0/test/pthread-similar.c')
-rw-r--r-- | libs/cairo-1.16.0/test/pthread-similar.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/pthread-similar.c b/libs/cairo-1.16.0/test/pthread-similar.c new file mode 100644 index 0000000..a5f5e3b --- /dev/null +++ b/libs/cairo-1.16.0/test/pthread-similar.c @@ -0,0 +1,106 @@ +/* + * 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) |