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145 lines
5.2 KiB
145 lines
5.2 KiB
10 years ago
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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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}
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