--- /dev/null
+/*
+ * Copyright © 2015 Samsung Electronics Co., Ltd
+ * Copyright © 2016 Collabora, Ltd.
+ *
+ * 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 (including the
+ * next paragraph) 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.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/mman.h>
+
+#include "weston-test-client-helper.h"
+
+char *server_parameters = "--use-pixman --width=320 --height=240"
+ " --shell=weston-test-desktop-shell.so";
+
+static struct wl_subcompositor *
+get_subcompositor(struct client *client)
+{
+ struct global *g;
+ struct global *global_sub = NULL;
+ struct wl_subcompositor *sub;
+
+ wl_list_for_each(g, &client->global_list, link) {
+ if (strcmp(g->interface, "wl_subcompositor"))
+ continue;
+
+ if (global_sub)
+ assert(0 && "multiple wl_subcompositor objects");
+
+ global_sub = g;
+ }
+
+ assert(global_sub && "no wl_subcompositor found");
+
+ assert(global_sub->version == 1);
+
+ sub = wl_registry_bind(client->wl_registry, global_sub->name,
+ &wl_subcompositor_interface, 1);
+ assert(sub);
+
+ return sub;
+}
+
+static void
+fill_color(pixman_image_t *image, pixman_color_t *color)
+{
+ pixman_image_t *solid;
+ int width;
+ int height;
+
+ width = pixman_image_get_width(image);
+ height = pixman_image_get_height(image);
+
+ solid = pixman_image_create_solid_fill(color);
+ pixman_image_composite32(PIXMAN_OP_SRC,
+ solid, /* src */
+ NULL, /* mask */
+ image, /* dst */
+ 0, 0, /* src x,y */
+ 0, 0, /* mask x,y */
+ 0, 0, /* dst x,y */
+ width, height);
+ pixman_image_unref(solid);
+}
+
+static pixman_color_t *
+color(pixman_color_t *tmp, uint8_t r, uint8_t g, uint8_t b)
+{
+ tmp->alpha = 65535;
+ tmp->red = (r << 8) + r;
+ tmp->green = (g << 8) + g;
+ tmp->blue = (b << 8) + b;
+
+ return tmp;
+}
+
+static void
+write_visual_diff(pixman_image_t *ref_image,
+ struct buffer *shot,
+ const struct rectangle *clip,
+ const char *test_name,
+ int seq_no)
+{
+ char *fname;
+ char *ext_test_name;
+ pixman_image_t *diff;
+ int ret;
+
+ ret = asprintf(&ext_test_name, "%s-diff", test_name);
+ assert(ret >= 0);
+
+ fname = screenshot_output_filename(ext_test_name, seq_no);
+ diff = visualize_image_difference(shot->image, ref_image, clip);
+ write_image_as_png(diff, fname);
+
+ pixman_image_unref(diff);
+ free(fname);
+ free(ext_test_name);
+}
+
+static int
+check_screen(struct client *client,
+ const char *ref_image,
+ int ref_seq_no,
+ const struct rectangle *clip,
+ int seq_no)
+{
+ const char *test_name = get_test_name();
+ struct buffer *shot;
+ pixman_image_t *ref;
+ char *ref_fname;
+ char *shot_fname;
+ bool match;
+
+ ref_fname = screenshot_reference_filename(ref_image, ref_seq_no);
+ shot_fname = screenshot_output_filename(test_name, seq_no);
+
+ ref = load_image_from_png(ref_fname);
+ assert(ref);
+
+ shot = capture_screenshot_of_output(client);
+ assert(shot);
+
+ match = check_images_match(shot->image, ref, clip);
+ printf("ref %s vs. shot %s: %s\n", ref_fname, shot_fname,
+ match ? "PASS" : "FAIL");
+
+ write_image_as_png(shot->image, shot_fname);
+ if (!match)
+ write_visual_diff(ref, shot, clip, test_name, seq_no);
+
+ buffer_destroy(shot);
+ pixman_image_unref(ref);
+ free(ref_fname);
+ free(shot_fname);
+
+ return match ? 0 : -1;
+}
+
+static struct buffer *
+surface_commit_color(struct client *client, struct wl_surface *surface,
+ pixman_color_t *color, int width, int height)
+{
+ struct buffer *buf;
+
+ buf = create_shm_buffer_a8r8g8b8(client, width, height);
+ fill_color(buf->image, color);
+ wl_surface_attach(surface, buf->proxy, 0, 0);
+ wl_surface_damage(surface, 0, 0, width, height);
+ wl_surface_commit(surface);
+
+ return buf;
+}
+
+FAIL_TEST(subsurface_z_order)
+{
+ const char *test_name = get_test_name();
+ struct client *client;
+ struct wl_subcompositor *subco;
+ struct buffer *bufs[5] = { 0 };
+ struct wl_surface *surf[5] = { 0 };
+ struct wl_subsurface *sub[5] = { 0 };
+ struct rectangle clip = { 40, 40, 280, 200 };
+ int fail = 0;
+ unsigned i;
+ pixman_color_t red;
+ pixman_color_t blue;
+ pixman_color_t cyan;
+ pixman_color_t green;
+
+ color(&red, 255, 0, 0);
+ color(&blue, 0, 0, 255);
+ color(&cyan, 0, 255, 255);
+ color(&green, 0, 255, 0);
+
+ client = create_client_and_test_surface(100, 50, 100, 100);
+ assert(client);
+ subco = get_subcompositor(client);
+
+ /* move the pointer clearly away from our screenshooting area */
+ weston_test_move_pointer(client->test->weston_test, 2, 30);
+
+ /* make the parent surface red */
+ surf[0] = client->surface->wl_surface;
+ bufs[0] = surface_commit_color(client, surf[0], &red, 100, 100);
+ /* sub[0] is not used */
+
+ fail += check_screen(client, test_name, 0, &clip, 0);
+
+ /* create a blue sub-surface above red */
+ surf[1] = wl_compositor_create_surface(client->wl_compositor);
+ sub[1] = wl_subcompositor_get_subsurface(subco, surf[1], surf[0]);
+ bufs[1] = surface_commit_color(client, surf[1], &blue, 100, 100);
+
+ wl_subsurface_set_position(sub[1], 20, 20);
+ wl_surface_commit(surf[0]);
+
+ fail += check_screen(client, test_name, 1, &clip, 1);
+
+ /* create a cyan sub-surface above blue */
+ surf[2] = wl_compositor_create_surface(client->wl_compositor);
+ sub[2] = wl_subcompositor_get_subsurface(subco, surf[2], surf[1]);
+ bufs[2] = surface_commit_color(client, surf[2], &cyan, 100, 100);
+
+ wl_subsurface_set_position(sub[2], 20, 20);
+ wl_surface_commit(surf[1]);
+ wl_surface_commit(surf[0]);
+
+ fail += check_screen(client, test_name, 2, &clip, 2);
+
+ /* create a green sub-surface above blue, sibling to cyan */
+ surf[3] = wl_compositor_create_surface(client->wl_compositor);
+ sub[3] = wl_subcompositor_get_subsurface(subco, surf[3], surf[1]);
+ bufs[3] = surface_commit_color(client, surf[3], &green, 100, 100);
+
+ wl_subsurface_set_position(sub[3], -40, 10);
+ wl_surface_commit(surf[1]);
+ wl_surface_commit(surf[0]);
+
+ fail += check_screen(client, test_name, 3, &clip, 3);
+
+ /* stack blue below red, which brings also cyan and green below red */
+ wl_subsurface_place_below(sub[1], surf[0]);
+ wl_surface_commit(surf[0]);
+
+ fail += check_screen(client, test_name, 4, &clip, 4);
+
+ assert(fail == 0);
+
+ for (i = 0; i < ARRAY_LENGTH(sub); i++)
+ if (sub[i])
+ wl_subsurface_destroy(sub[i]);
+
+ for (i = 0; i < ARRAY_LENGTH(surf); i++)
+ if (surf[i])
+ wl_surface_destroy(surf[i]);
+
+ for (i = 0; i < ARRAY_LENGTH(bufs); i++)
+ if (bufs[i])
+ buffer_destroy(bufs[i]);
+}
projects / platform / upstream / weston.git / commitdiff
