This also serves as a proof of concept of the screen capture functionality and as a demo for snapshot-based rendering verification. Implements screenshot saving clientside in the test itself. This also demonstrates use of test-specific configuration files, in this case to disable fadein animations and background images. Signed-off-by: Bryce Harrington <bryce@osg.samsung.com> Reviewed-By: Derek Foreman <derekf@osg.samsung.com>dev
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/*
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* Copyright © 2015 Samsung Electronics Co., Ltd |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and |
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* its documentation for any purpose is hereby granted without fee, provided |
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* that the above copyright notice appear in all copies and that both that |
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* copyright notice and this permission notice appear in supporting |
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* documentation, and that the name of the copyright holders not be used in |
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* advertising or publicity pertaining to distribution of the software |
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* without specific, written prior permission. The copyright holders make |
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* no representations about the suitability of this software for any |
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* purpose. It is provided "as is" without express or implied warranty. |
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* |
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* THE COPYRIGHT HOLDERS DISCLAIM 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 THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include "config.h" |
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#include <unistd.h> |
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#include <stdio.h> |
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#include <string.h> /* memcpy */ |
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#include <cairo.h> |
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#include "weston-test-client-helper.h" |
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char *server_parameters="--use-pixman --width=320 --height=240"; |
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TEST(internal_screenshot) |
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{ |
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struct client *client; |
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struct surface *screenshot = NULL; |
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struct surface *reference = NULL; |
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struct rectangle clip; |
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const char *fname; |
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cairo_surface_t *reference_cairo_surface; |
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cairo_status_t status; |
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bool match = false; |
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bool dump_all_images = true; |
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printf("Starting test\n"); |
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/* Create the client */ |
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client = create_client_and_test_surface(100, 100, 100, 100); |
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assert(client); |
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printf("Client created\n"); |
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/* Create a surface to hold the screenshot */ |
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screenshot = xzalloc(sizeof *screenshot); |
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assert(screenshot); |
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/* Create and attach buffer to our surface */ |
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screenshot->wl_buffer = create_shm_buffer(client, |
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client->output->width, |
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client->output->height, |
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&screenshot->data); |
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screenshot->height = client->output->height; |
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screenshot->width = client->output->width; |
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assert(screenshot->wl_buffer); |
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printf("Screenshot buffer created and attached to surface\n"); |
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/* Take a snapshot. Result will be in screenshot->wl_buffer. */ |
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client->test->buffer_copy_done = 0; |
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weston_test_capture_screenshot(client->test->weston_test, |
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client->output->wl_output, |
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screenshot->wl_buffer); |
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printf("Capture request sent\n"); |
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while (client->test->buffer_copy_done == 0) |
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if (wl_display_dispatch(client->wl_display) < 0) |
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break; |
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printf("Roundtrip done\n"); |
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/* FIXME: Document somewhere the orientation the screenshot is taken
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* and how the clip coords are interpreted, in case of scaling/transform. |
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* If we're using read_pixels() just make sure it is documented somewhere. |
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* Protocol docs in the XML, comparison function docs in Doxygen style. |
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*/ |
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/* Load reference image */ |
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fname = screenshot_reference_filename("internal-screenshot", 0); |
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printf("Loading reference image %s\n", fname); |
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reference_cairo_surface = cairo_image_surface_create_from_png(fname); |
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status = cairo_surface_status(reference_cairo_surface); |
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if (status != CAIRO_STATUS_SUCCESS) { |
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printf("Could not open %s: %s\n", fname, cairo_status_to_string(status)); |
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cairo_surface_destroy(reference_cairo_surface); |
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assert(status != CAIRO_STATUS_SUCCESS); |
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} |
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/* Disguise the cairo surface in a weston test surface */ |
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reference = xzalloc(sizeof *reference); |
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reference->width = cairo_image_surface_get_width(reference_cairo_surface); |
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reference->height = cairo_image_surface_get_height(reference_cairo_surface); |
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reference->data = cairo_image_surface_get_data(reference_cairo_surface); |
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/* Test check_surfaces_equal()
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* We expect this to fail since the clock will differ from when we made the reference image |
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*/ |
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match = check_surfaces_equal(screenshot, reference); |
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printf("Screenshot %s reference image\n", match? "equal to" : "different from"); |
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assert(!match); |
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/* Test check_surfaces_match_in_clip()
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* Alpha-blending and other effects can cause irrelevant discrepancies, so look only |
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* at a small portion of the solid-colored background |
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*/ |
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clip.x = 50; |
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clip.y = 50; |
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clip.width = 101; |
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clip.height = 101; |
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printf("Clip: %d,%d %d x %d\n", clip.x, clip.y, clip.width, clip.height); |
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match = check_surfaces_match_in_clip(screenshot, reference, &clip); |
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printf("Screenshot %s reference image in clipped area\n", match? "matches" : "doesn't match"); |
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cairo_surface_destroy(reference_cairo_surface); |
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free(reference); |
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/* Test dumping of non-matching images */ |
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if (!match || dump_all_images) { |
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/* Write image to .png file */ |
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cairo_surface_t *surface; |
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int bpp = 4; /* ARGB assumed */ |
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int stride = bpp * screenshot->width; |
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surface = cairo_image_surface_create_for_data(screenshot->data, |
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CAIRO_FORMAT_ARGB32, |
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screenshot->width, |
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screenshot->height, |
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stride); |
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printf("Writing PNG to disk\n"); |
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cairo_surface_write_to_png(surface, "clientside-screenshot.png"); |
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cairo_surface_destroy(surface); |
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} |
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free(screenshot); |
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printf("Test complete\n"); |
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assert(match); |
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} |
@ -0,0 +1,3 @@ |
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[shell] |
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startup-animation=none |
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background-color=0xCC336699 |
After Width: | Height: | Size: 5.0 KiB |
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