diff options
| -rw-r--r-- | test/Makefile.am | 1 | ||||
| -rw-r--r-- | test/Makefile.sources | 1 | ||||
| -rw-r--r-- | test/pthread-same-source.c | 160 | ||||
| -rw-r--r-- | test/pthread-same-source.ref.png | bin | 0 -> 1000 bytes |
4 files changed, 162 insertions, 0 deletions
diff --git a/test/Makefile.am b/test/Makefile.am index a47e8ae5..6dbf6bf4 100644 --- a/test/Makefile.am +++ b/test/Makefile.am @@ -771,6 +771,7 @@ REFERENCE_IMAGES = \ pdf-surface-source.svg12.rgb24.xfail.png \ pixman-rotate.ref.png \ pixman-rotate.rgb24.ref.png \ + pthread-same-source.ref.png \ pthread-similar.ref.png \ ps-surface-source.rgb24.ref.png \ ps-surface-source.argb32.ref.png \ diff --git a/test/Makefile.sources b/test/Makefile.sources index 48f65a6a..52d4f85b 100644 --- a/test/Makefile.sources +++ b/test/Makefile.sources @@ -245,6 +245,7 @@ test_sources = \ zero-alpha.c pthread_test_sources = \ + pthread-same-source.c \ pthread-show-text.c \ pthread-similar.c \ $(NULL) diff --git a/test/pthread-same-source.c b/test/pthread-same-source.c new file mode 100644 index 00000000..570c91d7 --- /dev/null +++ b/test/pthread-same-source.c @@ -0,0 +1,160 @@ +/* + * Copyright 2009 Benjamin Otte + * + * 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 + * Benjamin Otte not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Benjamin Otte makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * BENJAMIN OTTE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL BENJAMIN OTTE 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: Benjamin Otte <otte@gnome.org> + */ + +#include "cairo-test.h" +#include <pthread.h> + +#define N_THREADS 8 + +#define WIDTH 64 +#define HEIGHT 8 + +typedef struct { + cairo_surface_t *target; + cairo_surface_t *source; + int id; +} thread_data_t; + +static void * +draw_thread (void *arg) +{ + thread_data_t *thread_data = arg; + cairo_surface_t *surface; + cairo_pattern_t *pattern; + cairo_matrix_t pattern_matrix = { 2, 0, 0, 2, 0, 0 }; + cairo_t *cr; + int x, y; + + cr = cairo_create (thread_data->target); + cairo_surface_destroy (thread_data->target); + + pattern = cairo_pattern_create_for_surface (thread_data->source); + cairo_surface_destroy (thread_data->source); + cairo_pattern_set_extend (pattern, thread_data->id % 4); + cairo_pattern_set_filter (pattern, thread_data->id >= 4 ? CAIRO_FILTER_BILINEAR : CAIRO_FILTER_NEAREST); + cairo_pattern_set_matrix (pattern, &pattern_matrix); + + for (y = 0; y < HEIGHT; y++) { + for (x = 0; x < WIDTH; x++) { + cairo_save (cr); + cairo_translate (cr, 4 * x + 1, 4 * y + 1); + cairo_rectangle (cr, 0, 0, 2, 2); + cairo_set_source (cr, pattern); + cairo_fill (cr); + cairo_restore (cr); + } + } + cairo_pattern_destroy (pattern); + + surface = cairo_surface_reference (cairo_get_target (cr)); + cairo_destroy (cr); + + return surface; +} + +static cairo_surface_t * +create_source (cairo_surface_t *similar) +{ + cairo_surface_t *source; + cairo_t *cr; + double colors[4][3] = { + { 0.75, 0, 0 }, + { 0, 0.75, 0 }, + { 0, 0, 0.75 }, + { 0.75, 0.75, 0 } + }; + int i; + + source = cairo_surface_create_similar (similar, + CAIRO_CONTENT_COLOR_ALPHA, + 2, 2); + + cr = cairo_create (source); + for (i = 0; i < 4; i++) { + cairo_set_source_rgb (cr, colors[i][0], colors[i][1], colors[i][2]); + cairo_rectangle (cr, i % 2, i / 2, 1, 1); + cairo_fill (cr); + } + cairo_destroy (cr); + + return source; +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + pthread_t threads[N_THREADS]; + thread_data_t thread_data[N_THREADS]; + cairo_test_status_t test_status = CAIRO_TEST_SUCCESS; + cairo_surface_t *source; + int i; + + source = create_source (cairo_get_target (cr)); + + for (i = 0; i < N_THREADS; i++) { + thread_data[i].target = cairo_surface_create_similar (cairo_get_target (cr), + CAIRO_CONTENT_COLOR_ALPHA, + 4 * WIDTH, 4 * HEIGHT); + thread_data[i].source = cairo_surface_reference (source); + thread_data[i].id = i; + if (pthread_create (&threads[i], NULL, draw_thread, &thread_data[i]) != 0) { + threads[i] = pthread_self (); /* to indicate error */ + cairo_surface_destroy (thread_data[i].target); + cairo_surface_destroy (thread_data[i].source); + test_status = CAIRO_TEST_FAILURE; + break; + } + } + + cairo_set_source_rgb (cr, 0.5, 0.5, 0.5); + cairo_paint (cr); + + for (i = 0; i < N_THREADS; i++) { + void *surface; + + if (pthread_equal (threads[i], pthread_self ())) + break; + + if (pthread_join (threads[i], &surface) != 0) { + test_status = CAIRO_TEST_FAILURE; + break; + } + + cairo_set_source_surface (cr, surface, 0, 0); + cairo_surface_destroy (surface); + cairo_paint (cr); + + cairo_translate (cr, 0, 4 * HEIGHT); + } + + return test_status; +} + +CAIRO_TEST (pthread_same_source, + "Use the same source for drawing in different threads", + "threads", /* keywords */ + NULL, /* requirements */ + 4 * WIDTH, 4 * HEIGHT * N_THREADS, + NULL, draw) diff --git a/test/pthread-same-source.ref.png b/test/pthread-same-source.ref.png Binary files differnew file mode 100644 index 00000000..cfb519d3 --- /dev/null +++ b/test/pthread-same-source.ref.png |
