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weston/tests/viewporter-test.c
Pekka Paalanen ef4d5c4086 tests: clean up after viewporter-test 
Clean up after each test to avoid ASan reporting leaks.

At few points client_roundtrip() is replaced with client_destroy()
because the latter does a final roundtrip anyway.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2021-05-31 12:35:01 +03:00

558 lines
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/*
* Copyright © 2014, 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 <stdlib.h>
#include <string.h>
#include <assert.h>
#include <time.h>
#include "shared/helpers.h"
#include "shared/xalloc.h"
#include "weston-test-client-helper.h"
#include "weston-test-fixture-compositor.h"
static enum test_result_code
fixture_setup(struct weston_test_harness *harness)
{
struct compositor_setup setup;
compositor_setup_defaults(&setup);
return weston_test_harness_execute_as_client(harness, &setup);
}
DECLARE_FIXTURE_SETUP(fixture_setup);
static void
set_source(struct wp_viewport *vp, int x, int y, int w, int h)
{
wp_viewport_set_source(vp, wl_fixed_from_int(x), wl_fixed_from_int(y),
wl_fixed_from_int(w), wl_fixed_from_int(h));
}
TEST(test_viewporter_double_create)
{
struct wp_viewporter *viewporter;
struct wp_viewport *vp[2];
struct client *client;
client = create_client_and_test_surface(100, 50, 123, 77);
viewporter = bind_to_singleton_global(client,
&wp_viewporter_interface, 1);
vp[0] = wp_viewporter_get_viewport(viewporter, client->surface->wl_surface);
vp[1] = wp_viewporter_get_viewport(viewporter, client->surface->wl_surface);
expect_protocol_error(client, &wp_viewporter_interface,
WP_VIEWPORTER_ERROR_VIEWPORT_EXISTS);
wp_viewport_destroy(vp[1]);
wp_viewport_destroy(vp[0]);
wp_viewporter_destroy(viewporter);
client_destroy(client);
}
struct bad_source_rect_args {
int x, y, w, h;
};
static const struct bad_source_rect_args bad_source_rect_args[] = {
{ -5, 0, 20, 10 },
{ 0, -5, 20, 10 },
{ 5, 6, 0, 10 },
{ 5, 6, 20, 0 },
{ 5, 6, -20, 10 },
{ 5, 6, 20, -10 },
{ -1, -1, 20, 10 },
{ 5, 6, -1, -1 },
};
TEST_P(test_viewporter_bad_source_rect, bad_source_rect_args)
{
const struct bad_source_rect_args *args = data;
struct client *client;
struct wp_viewport *vp;
client = create_client_and_test_surface(100, 50, 123, 77);
vp = client_create_viewport(client);
testlog("wp_viewport.set_source x=%d, y=%d, w=%d, h=%d\n",
args->x, args->y, args->w, args->h);
set_source(vp, args->x, args->y, args->w, args->h);
expect_protocol_error(client, &wp_viewport_interface,
WP_VIEWPORT_ERROR_BAD_VALUE);
wp_viewport_destroy(vp);
client_destroy(client);
}
TEST(test_viewporter_unset_source_rect)
{
struct client *client;
struct wp_viewport *vp;
client = create_client_and_test_surface(100, 50, 123, 77);
vp = client_create_viewport(client);
set_source(vp, -1, -1, -1, -1);
wl_surface_commit(client->surface->wl_surface);
client_roundtrip(client);
wp_viewport_destroy(vp);
client_destroy(client);
}
struct bad_destination_args {
int w, h;
};
static const struct bad_destination_args bad_destination_args[] = {
{ 0, 10 },
{ 20, 0 },
{ -20, 10 },
{ -1, 10 },
{ 20, -10 },
{ 20, -1 },
};
TEST_P(test_viewporter_bad_destination_size, bad_destination_args)
{
const struct bad_destination_args *args = data;
struct client *client;
struct wp_viewport *vp;
client = create_client_and_test_surface(100, 50, 123, 77);
vp = client_create_viewport(client);
testlog("wp_viewport.set_destination w=%d, h=%d\n", args->w, args->h);
wp_viewport_set_destination(vp, args->w, args->h);
expect_protocol_error(client, &wp_viewport_interface,
WP_VIEWPORT_ERROR_BAD_VALUE);
wp_viewport_destroy(vp);
client_destroy(client);
}
TEST(test_viewporter_unset_destination_size)
{
struct client *client;
struct wp_viewport *vp;
client = create_client_and_test_surface(100, 50, 123, 77);
vp = client_create_viewport(client);
wp_viewport_set_destination(vp, -1, -1);
wl_surface_commit(client->surface->wl_surface);
client_roundtrip(client);
wp_viewport_destroy(vp);
client_destroy(client);
}
struct nonint_destination_args {
wl_fixed_t w, h;
};
static const struct nonint_destination_args nonint_destination_args[] = {
#define F(i,f) ((i) * 256 + (f))
{ F(20, 0), F(10, 1) },
{ F(20, 0), F(10, -1) },
{ F(20, 1), F(10, 0) },
{ F(20, -1), F(10, 0) },
{ F(20, 128), F(10, 128) },
#undef F
};
TEST_P(test_viewporter_non_integer_destination_size, nonint_destination_args)
{
const struct nonint_destination_args *args = data;
struct client *client;
struct wp_viewport *vp;
client = create_client_and_test_surface(100, 50, 123, 77);
vp = client_create_viewport(client);
testlog("non-integer size w=%f, h=%f\n",
wl_fixed_to_double(args->w), wl_fixed_to_double(args->h));
wp_viewport_set_source(vp, 5, 6, args->w, args->h);
wp_viewport_set_destination(vp, -1, -1);
wl_surface_commit(client->surface->wl_surface);
expect_protocol_error(client, &wp_viewport_interface,
WP_VIEWPORT_ERROR_BAD_SIZE);
wp_viewport_destroy(vp);
client_destroy(client);
}
struct source_buffer_args {
wl_fixed_t x, y;
wl_fixed_t w, h;
int buffer_scale;
enum wl_output_transform buffer_transform;
};
static int
get_surface_width(struct surface *surface,
int buffer_scale,
enum wl_output_transform buffer_transform)
{
switch (buffer_transform) {
case WL_OUTPUT_TRANSFORM_NORMAL:
case WL_OUTPUT_TRANSFORM_180:
case WL_OUTPUT_TRANSFORM_FLIPPED:
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
return surface->width / buffer_scale;
case WL_OUTPUT_TRANSFORM_90:
case WL_OUTPUT_TRANSFORM_270:
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
return surface->height / buffer_scale;
}
return -1;
}
static int
get_surface_height(struct surface *surface,
int buffer_scale,
enum wl_output_transform buffer_transform)
{
switch (buffer_transform) {
case WL_OUTPUT_TRANSFORM_NORMAL:
case WL_OUTPUT_TRANSFORM_180:
case WL_OUTPUT_TRANSFORM_FLIPPED:
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
return surface->height / buffer_scale;
case WL_OUTPUT_TRANSFORM_90:
case WL_OUTPUT_TRANSFORM_270:
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
return surface->width / buffer_scale;
}
return -1;
}
static struct wp_viewport *
setup_source_vs_buffer(struct client *client,
const struct source_buffer_args *args)
{
struct wl_surface *surf;
struct wp_viewport *vp;
surf = client->surface->wl_surface;
vp = client_create_viewport(client);
testlog("surface %dx%d\n",
get_surface_width(client->surface,
args->buffer_scale, args->buffer_transform),
get_surface_height(client->surface,
args->buffer_scale, args->buffer_transform));
testlog("source x=%f, y=%f, w=%f, h=%f; "
"buffer scale=%d, transform=%d\n",
wl_fixed_to_double(args->x), wl_fixed_to_double(args->y),
wl_fixed_to_double(args->w), wl_fixed_to_double(args->h),
args->buffer_scale, args->buffer_transform);
wl_surface_set_buffer_scale(surf, args->buffer_scale);
wl_surface_set_buffer_transform(surf, args->buffer_transform);
wl_surface_attach(surf, client->surface->buffer->proxy, 0, 0);
wp_viewport_set_source(vp, args->x, args->y, args->w, args->h);
wp_viewport_set_destination(vp, 99, 99);
wl_surface_commit(surf);
return vp;
}
/* buffer dimensions */
#define WIN_W 124
#define WIN_H 78
/* source rect base size */
#define SRC_W 20
#define SRC_H 10
/* margin */
#define MRG 10
/* epsilon of wl_fixed_t */
#define EPS 1
TEST(test_viewporter_source_buffer_params)
{
const int max_scale = 2;
/* buffer_scale requirement */
assert(WIN_W % max_scale == 0);
assert(WIN_H % max_scale == 0);
/* source rect must fit inside regardless of scale and transform */
assert(SRC_W < WIN_W / max_scale);
assert(SRC_H < WIN_H / max_scale);
assert(SRC_W < WIN_H / max_scale);
assert(SRC_H < WIN_W / max_scale);
/* If buffer scale was ignored, source rect should be inside instead */
assert(WIN_W / max_scale + SRC_W + MRG < WIN_W);
assert(WIN_H / max_scale + SRC_H + MRG < WIN_H);
assert(WIN_W / max_scale + SRC_H + MRG < WIN_W);
assert(WIN_H / max_scale + SRC_W + MRG < WIN_H);
}
static const struct source_buffer_args bad_source_buffer_args[] = {
#define F(i) ((i) * 256)
/* Flush right-top, but epsilon too far right. */
{ F(WIN_W - SRC_W) + EPS, F(0), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_NORMAL },
{ F(WIN_W - SRC_W), F(0), F(SRC_W) + EPS, F(SRC_H), 1, WL_OUTPUT_TRANSFORM_NORMAL },
/* Flush left-bottom, but epsilon too far down. */
{ F(0), F(WIN_H - SRC_H) + EPS, F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_NORMAL },
{ F(0), F(WIN_H - SRC_H), F(SRC_W), F(SRC_H) + EPS, 1, WL_OUTPUT_TRANSFORM_NORMAL },
/* Completely outside on the right. */
{ F(WIN_W + MRG), F(0), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_NORMAL },
/* Competely outside on the bottom. */
{ F(0), F(WIN_H + MRG), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_NORMAL },
/*
* buffer_scale=2, so the surface size will be halved.
* If buffer_scale was not taken into account, these would all be inside.
* These are the same as above, but adapted to buffer_scale=2.
*/
{ F(WIN_W / 2 - SRC_W) + EPS, F(0), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_NORMAL },
{ F(WIN_W / 2 - SRC_W), F(0), F(SRC_W) + EPS, F(SRC_H), 2, WL_OUTPUT_TRANSFORM_NORMAL },
{ F(0), F(WIN_H / 2 - SRC_H) + EPS, F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_NORMAL },
{ F(0), F(WIN_H / 2 - SRC_H), F(SRC_W), F(SRC_H) + EPS, 2, WL_OUTPUT_TRANSFORM_NORMAL },
{ F(WIN_W / 2 + MRG), F(0), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_NORMAL },
{ F(0), F(WIN_H / 2 + MRG), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_NORMAL },
/* Exceeding bottom-right corner by epsilon: */
/* non-dimension-swapping transforms */
{ F(WIN_W - SRC_W), F(WIN_H - SRC_H), F(SRC_W), F(SRC_H) + EPS, 1, WL_OUTPUT_TRANSFORM_FLIPPED_180 },
{ F(WIN_W - SRC_W), F(WIN_H - SRC_H) + EPS, F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_FLIPPED },
{ F(WIN_W - SRC_W), F(WIN_H - SRC_H), F(SRC_W) + EPS, F(SRC_H), 1, WL_OUTPUT_TRANSFORM_180 },
/* dimension-swapping transforms */
{ F(WIN_H - SRC_W) + EPS, F(WIN_W - SRC_H), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_90 },
{ F(WIN_H - SRC_W), F(WIN_W - SRC_H) + EPS, F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_270 },
{ F(WIN_H - SRC_W), F(WIN_W - SRC_H), F(SRC_W) + EPS, F(SRC_H), 1, WL_OUTPUT_TRANSFORM_FLIPPED_90 },
{ F(WIN_H - SRC_W), F(WIN_W - SRC_H), F(SRC_W), F(SRC_H) + EPS, 1, WL_OUTPUT_TRANSFORM_FLIPPED_270 },
/* non-dimension-swapping transforms, buffer_scale=2 */
{ F(WIN_W / 2 - SRC_W), F(WIN_H / 2 - SRC_H) + EPS, F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_FLIPPED_180 },
{ F(WIN_W / 2 - SRC_W), F(WIN_H / 2 - SRC_H), F(SRC_W) + EPS, F(SRC_H), 2, WL_OUTPUT_TRANSFORM_FLIPPED },
{ F(WIN_W / 2 - SRC_W), F(WIN_H / 2 - SRC_H), F(SRC_W), F(SRC_H) + EPS, 2, WL_OUTPUT_TRANSFORM_180 },
/* dimension-swapping transforms, buffer_scale=2 */
{ F(WIN_H / 2 - SRC_W) + EPS, F(WIN_W / 2 - SRC_H), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_90 },
{ F(WIN_H / 2 - SRC_W), F(WIN_W / 2 - SRC_H) + EPS, F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_270 },
{ F(WIN_H / 2 - SRC_W), F(WIN_W / 2 - SRC_H), F(SRC_W) + EPS, F(SRC_H), 2, WL_OUTPUT_TRANSFORM_FLIPPED_90 },
{ F(WIN_H / 2 - SRC_W), F(WIN_W / 2 - SRC_H), F(SRC_W), F(SRC_H) + EPS, 2, WL_OUTPUT_TRANSFORM_FLIPPED_270 },
#undef F
};
TEST_P(test_viewporter_source_outside_buffer, bad_source_buffer_args)
{
const struct source_buffer_args *args = data;
struct client *client;
struct wp_viewport *vp;
client = create_client_and_test_surface(100, 50, WIN_W, WIN_H);
vp = setup_source_vs_buffer(client, args);
expect_protocol_error(client, &wp_viewport_interface,
WP_VIEWPORT_ERROR_OUT_OF_BUFFER);
wp_viewport_destroy(vp);
client_destroy(client);
}
static const struct source_buffer_args good_source_buffer_args[] = {
#define F(i) ((i) * 256)
/* top-left, top-right, bottom-left, and bottom-right corner */
{ F(0), F(0), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_NORMAL },
{ F(WIN_W - SRC_W), F(0), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_NORMAL },
{ F(0), F(WIN_H - SRC_H), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_NORMAL },
{ F(WIN_W - SRC_W), F(WIN_H - SRC_H), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_NORMAL },
/* buffer_scale=2, so the surface size will be halved */
{ F(0), F(0), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_NORMAL },
{ F(WIN_W / 2 - SRC_W), F(0), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_NORMAL },
{ F(0), F(WIN_H / 2 - SRC_H), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_NORMAL },
{ F(WIN_W / 2 - SRC_W), F(WIN_H / 2 - SRC_H), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_NORMAL },
/* with half pixel offset */
{ F(WIN_W / 2 - SRC_W) + 128, F(WIN_H / 2 - SRC_H) + 128, F(SRC_W) - 128, F(SRC_H) - 128, 2, WL_OUTPUT_TRANSFORM_NORMAL },
/* Flushed to bottom-right corner: */
/* non-dimension-swapping transforms */
{ F(WIN_W - SRC_W), F(WIN_H - SRC_H), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_FLIPPED_180 },
{ F(WIN_W - SRC_W), F(WIN_H - SRC_H), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_FLIPPED },
{ F(WIN_W - SRC_W), F(WIN_H - SRC_H), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_180 },
/* dimension-swapping transforms */
{ F(WIN_H - SRC_W), F(WIN_W - SRC_H), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_90 },
{ F(WIN_H - SRC_W), F(WIN_W - SRC_H), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_270 },
{ F(WIN_H - SRC_W), F(WIN_W - SRC_H), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_FLIPPED_90 },
{ F(WIN_H - SRC_W), F(WIN_W - SRC_H), F(SRC_W), F(SRC_H), 1, WL_OUTPUT_TRANSFORM_FLIPPED_270 },
/* non-dimension-swapping transforms, buffer_scale=2 */
{ F(WIN_W / 2 - SRC_W), F(WIN_H / 2 - SRC_H), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_FLIPPED_180 },
{ F(WIN_W / 2 - SRC_W), F(WIN_H / 2 - SRC_H), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_FLIPPED },
{ F(WIN_W / 2 - SRC_W), F(WIN_H / 2 - SRC_H), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_180 },
/* dimension-swapping transforms, buffer_scale=2 */
{ F(WIN_H / 2 - SRC_W), F(WIN_W / 2 - SRC_H), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_90 },
{ F(WIN_H / 2 - SRC_W), F(WIN_W / 2 - SRC_H), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_270 },
{ F(WIN_H / 2 - SRC_W), F(WIN_W / 2 - SRC_H), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_FLIPPED_90 },
{ F(WIN_H / 2 - SRC_W), F(WIN_W / 2 - SRC_H), F(SRC_W), F(SRC_H), 2, WL_OUTPUT_TRANSFORM_FLIPPED_270 },
#undef F
};
TEST_P(test_viewporter_source_inside_buffer, good_source_buffer_args)
{
const struct source_buffer_args *args = data;
struct client *client;
struct wp_viewport *vp;
client = create_client_and_test_surface(100, 50, WIN_W, WIN_H);
vp = setup_source_vs_buffer(client, args);
wp_viewport_destroy(vp);
client_destroy(client);
}
#undef WIN_W
#undef WIN_H
#undef SRC_W
#undef SRC_H
#undef MRG
#undef EPS
TEST(test_viewporter_outside_null_buffer)
{
struct client *client;
struct wp_viewport *vp;
struct wl_surface *surf;
client = create_client_and_test_surface(100, 50, 123, 77);
surf = client->surface->wl_surface;
/* If buffer is NULL, does not matter what the source rect is. */
vp = client_create_viewport(client);
wl_surface_attach(surf, NULL, 0, 0);
set_source(vp, 1000, 1000, 20, 10);
wp_viewport_set_destination(vp, 99, 99);
wl_surface_commit(surf);
client_roundtrip(client);
/* Try again, with all old values. */
wl_surface_commit(surf);
client_roundtrip(client);
/* Try once more with old NULL buffer. */
set_source(vp, 1200, 1200, 20, 10);
wl_surface_commit(surf);
client_roundtrip(client);
/* When buffer comes back, source rect matters again. */
wl_surface_attach(surf, client->surface->buffer->proxy, 0, 0);
wl_surface_commit(surf);
expect_protocol_error(client, &wp_viewport_interface,
WP_VIEWPORT_ERROR_OUT_OF_BUFFER);
wp_viewport_destroy(vp);
client_destroy(client);
}
TEST(test_viewporter_no_surface_set_source)
{
struct client *client;
struct wp_viewport *vp;
client = create_client_and_test_surface(100, 50, 123, 77);
vp = client_create_viewport(client);
wl_surface_destroy(client->surface->wl_surface);
client->surface->wl_surface = NULL;
/* But the wl_surface does not exist anymore. */
set_source(vp, 1000, 1000, 20, 10);
expect_protocol_error(client, &wp_viewport_interface,
WP_VIEWPORT_ERROR_NO_SURFACE);
wp_viewport_destroy(vp);
client_destroy(client);
}
TEST(test_viewporter_no_surface_set_destination)
{
struct client *client;
struct wp_viewport *vp;
client = create_client_and_test_surface(100, 50, 123, 77);
vp = client_create_viewport(client);
wl_surface_destroy(client->surface->wl_surface);
client->surface->wl_surface = NULL;
/* But the wl_surface does not exist anymore. */
wp_viewport_set_destination(vp, 99, 99);
expect_protocol_error(client, &wp_viewport_interface,
WP_VIEWPORT_ERROR_NO_SURFACE);
wp_viewport_destroy(vp);
client_destroy(client);
}
TEST(test_viewporter_no_surface_destroy)
{
struct client *client;
struct wp_viewport *vp;
client = create_client_and_test_surface(100, 50, 123, 77);
vp = client_create_viewport(client);
wl_surface_destroy(client->surface->wl_surface);
client->surface->wl_surface = NULL;
/* But the wl_surface does not exist anymore. */
wp_viewport_destroy(vp);
client_destroy(client);
}
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