You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
219 lines
7.5 KiB
219 lines
7.5 KiB
/*
|
|
* Copyright © 2015 Samsung Electronics Co., Ltd
|
|
*
|
|
* 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 the copyright holders not be used in
|
|
* advertising or publicity pertaining to distribution of the software
|
|
* without specific, written prior permission. The copyright holders make
|
|
* no representations about the suitability of this software for any
|
|
* purpose. It is provided "as is" without express or implied warranty.
|
|
*
|
|
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
|
|
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS 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.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <string.h> /* memcpy */
|
|
#include <cairo.h>
|
|
|
|
#include "weston-test-client-helper.h"
|
|
|
|
char *server_parameters="--use-pixman --width=320 --height=240";
|
|
|
|
/** write_surface_as_png()
|
|
*
|
|
* Writes out a given weston test surface to disk as a PNG image
|
|
* using the provided filename (with path).
|
|
*
|
|
* @returns true if successfully saved file; false otherwise.
|
|
*/
|
|
static bool
|
|
write_surface_as_png(const struct surface* weston_surface, const char *fname) {
|
|
cairo_surface_t *cairo_surface;
|
|
cairo_status_t status;
|
|
int bpp = 4; /* Assume ARGB */
|
|
int stride = bpp * weston_surface->width;
|
|
|
|
cairo_surface = cairo_image_surface_create_for_data(weston_surface->data,
|
|
CAIRO_FORMAT_ARGB32,
|
|
weston_surface->width,
|
|
weston_surface->height,
|
|
stride);
|
|
printf("Writing PNG to disk\n");
|
|
status = cairo_surface_write_to_png(cairo_surface, fname);
|
|
if (status != CAIRO_STATUS_SUCCESS) {
|
|
printf("Failed to save screenshot: %s\n",
|
|
cairo_status_to_string(status));
|
|
return false;
|
|
}
|
|
cairo_surface_destroy(cairo_surface);
|
|
return true;
|
|
}
|
|
|
|
/** load_surface_from_png()
|
|
*
|
|
* Reads a PNG image from disk using the given filename (and path)
|
|
* and returns as a freshly allocated weston test surface.
|
|
*
|
|
* @returns weston test surface with image, which should be free'd
|
|
* when no longer used; or, NULL in case of error.
|
|
*/
|
|
static struct surface*
|
|
load_surface_from_png(const char *fname) {
|
|
struct surface *reference;
|
|
cairo_surface_t *reference_cairo_surface;
|
|
cairo_status_t status;
|
|
size_t source_data_size;
|
|
int stride;
|
|
|
|
printf("Loading reference image %s\n", fname);
|
|
reference_cairo_surface = cairo_image_surface_create_from_png(fname);
|
|
status = cairo_surface_status(reference_cairo_surface);
|
|
if (status != CAIRO_STATUS_SUCCESS) {
|
|
printf("Could not open %s: %s\n", fname, cairo_status_to_string(status));
|
|
cairo_surface_destroy(reference_cairo_surface);
|
|
return NULL;
|
|
}
|
|
|
|
/* Disguise the cairo surface in a weston test surface */
|
|
reference = xzalloc(sizeof *reference);
|
|
if (reference == NULL) {
|
|
perror("xzalloc reference");
|
|
cairo_surface_destroy(reference_cairo_surface);
|
|
return NULL;
|
|
}
|
|
reference->width = cairo_image_surface_get_width(reference_cairo_surface);
|
|
reference->height = cairo_image_surface_get_height(reference_cairo_surface);
|
|
stride = cairo_image_surface_get_stride(reference_cairo_surface);
|
|
source_data_size = stride * reference->height;
|
|
|
|
/* Allocate new buffer for our weston reference, and copy the data from
|
|
the cairo surface so we can destroy it */
|
|
reference->data = xzalloc(source_data_size);
|
|
if (reference->data == NULL) {
|
|
perror("xzalloc reference data");
|
|
cairo_surface_destroy(reference_cairo_surface);
|
|
free(reference);
|
|
return NULL;
|
|
}
|
|
memcpy(reference->data,
|
|
cairo_image_surface_get_data(reference_cairo_surface),
|
|
source_data_size);
|
|
|
|
cairo_surface_destroy(reference_cairo_surface);
|
|
return reference;
|
|
}
|
|
|
|
/** create_screenshot_surface()
|
|
*
|
|
* Allocates and initializes a weston test surface for use in
|
|
* storing a screenshot of the client's output. Establishes a
|
|
* shm backed wl_buffer for retrieving screenshot image data
|
|
* from the server, sized to match the client's output display.
|
|
*
|
|
* @returns stack allocated surface image, which should be
|
|
* free'd when done using it.
|
|
*/
|
|
static struct surface*
|
|
create_screenshot_surface(struct client *client) {
|
|
struct surface* screenshot;
|
|
screenshot = xzalloc(sizeof *screenshot);
|
|
if (screenshot == NULL)
|
|
return NULL;
|
|
screenshot->wl_buffer = create_shm_buffer(client,
|
|
client->output->width,
|
|
client->output->height,
|
|
&screenshot->data);
|
|
screenshot->height = client->output->height;
|
|
screenshot->width = client->output->width;
|
|
|
|
return screenshot;
|
|
}
|
|
|
|
TEST(internal_screenshot)
|
|
{
|
|
struct client *client;
|
|
struct surface *screenshot = NULL;
|
|
struct surface *reference = NULL;
|
|
struct rectangle clip;
|
|
const char *fname;
|
|
bool match = false;
|
|
bool dump_all_images = true;
|
|
|
|
printf("Starting test\n");
|
|
|
|
/* Create the client */
|
|
client = create_client_and_test_surface(100, 100, 100, 100);
|
|
assert(client);
|
|
printf("Client created\n");
|
|
|
|
/* Create a surface to hold the screenshot */
|
|
screenshot = create_screenshot_surface(client);
|
|
assert(screenshot);
|
|
printf("Screenshot buffer created and attached to surface\n");
|
|
|
|
/* Take a snapshot. Result will be in screenshot->wl_buffer. */
|
|
client->test->buffer_copy_done = 0;
|
|
weston_test_capture_screenshot(client->test->weston_test,
|
|
client->output->wl_output,
|
|
screenshot->wl_buffer);
|
|
printf("Capture request sent\n");
|
|
while (client->test->buffer_copy_done == 0)
|
|
if (wl_display_dispatch(client->wl_display) < 0)
|
|
break;
|
|
printf("Roundtrip done\n");
|
|
|
|
/* FIXME: Document somewhere the orientation the screenshot is taken
|
|
* and how the clip coords are interpreted, in case of scaling/transform.
|
|
* If we're using read_pixels() just make sure it is documented somewhere.
|
|
* Protocol docs in the XML, comparison function docs in Doxygen style.
|
|
*/
|
|
|
|
/* Load reference image */
|
|
fname = screenshot_reference_filename("internal-screenshot", 0);
|
|
printf("Loading reference image %s\n", fname);
|
|
reference = load_surface_from_png(fname);
|
|
assert(reference);
|
|
|
|
/* Test check_surfaces_equal()
|
|
* We expect this to fail since the clock will differ from when we made the reference image
|
|
*/
|
|
match = check_surfaces_equal(screenshot, reference);
|
|
printf("Screenshot %s reference image\n", match? "equal to" : "different from");
|
|
assert(!match);
|
|
|
|
/* Test check_surfaces_match_in_clip()
|
|
* Alpha-blending and other effects can cause irrelevant discrepancies, so look only
|
|
* at a small portion of the solid-colored background
|
|
*/
|
|
clip.x = 50;
|
|
clip.y = 50;
|
|
clip.width = 101;
|
|
clip.height = 101;
|
|
printf("Clip: %d,%d %d x %d\n", clip.x, clip.y, clip.width, clip.height);
|
|
match = check_surfaces_match_in_clip(screenshot, reference, &clip);
|
|
printf("Screenshot %s reference image in clipped area\n", match? "matches" : "doesn't match");
|
|
free(reference);
|
|
|
|
/* Test dumping of non-matching images */
|
|
if (!match || dump_all_images) {
|
|
fname = screenshot_output_filename("internal-screenshot", 0);
|
|
write_surface_as_png(screenshot, fname);
|
|
}
|
|
|
|
free(screenshot);
|
|
|
|
printf("Test complete\n");
|
|
assert(match);
|
|
}
|
|
|