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tests/stage-view: Added test for incorrect frame clock scheduling

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The test attempts to reproduce gnome-shell#4486, and is fixed by
"window-actor/x11: Don't cache the frame-drawn frame clock".

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1947>
This commit is contained in:
Jonas Ådahl 2021-07-30 11:44:24 +02:00 committed by Marge Bot
parent d2186f6f1a
commit ea46ebea99
2 changed files with 133 additions and 1 deletions
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3
src/compositor/meta-window-actor-private.h
View File

@ -70,6 +70,8 @@ void meta_window_actor_update_opacity (MetaWindowActor *self);
void meta_window_actor_mapped (MetaWindowActor *self);
void meta_window_actor_unmapped (MetaWindowActor *self);
void meta_window_actor_sync_updates_frozen (MetaWindowActor *self);
META_EXPORT_TEST
void meta_window_actor_queue_frame_drawn (MetaWindowActor *self,
gboolean no_delay_frame);
@ -81,6 +83,7 @@ MetaSurfaceActor *meta_window_actor_get_surface (MetaWindowActor *self);
void meta_window_actor_assign_surface_actor (MetaWindowActor *self,
MetaSurfaceActor *surface_actor);
META_EXPORT_TEST
MetaWindowActor *meta_window_actor_from_window (MetaWindow *window);
MetaWindowActor *meta_window_actor_from_actor (ClutterActor *actor);

131
src/tests/stage-view-tests.c
View File

@ -19,9 +19,18 @@
#include "clutter/clutter.h"
#include "clutter/clutter-stage-view-private.h"
#include "compositor/meta-window-actor-private.h"
#include "meta-test/meta-context-test.h"
#include "meta/meta-window-actor.h"
#include "tests/meta-backend-test.h"
#include "tests/meta-test-utils.h"
#include "tests/monitor-test-utils.h"
#include "x11/meta-x11-display-private.h"
#define X11_TEST_CLIENT_NAME "x11_test_client"
#define X11_TEST_CLIENT_WINDOW "window1"
static MetaContext *test_context;
static MonitorTestCaseSetup initial_test_case_setup = {
.modes = {
@ -1069,6 +1078,122 @@ ensure_view_count (int n_views)
meta_monitor_manager_test_emulate_hotplug (monitor_manager_test, test_setup);
}
static gboolean
tests_alarm_filter (MetaX11Display *x11_display,
XSyncAlarmNotifyEvent *event,
gpointer user_data)
{
MetaTestClient *test_client = user_data;
return meta_test_client_process_x11_event (test_client,
x11_display, event);
}
static void
check_test_client_state (MetaTestClient *test_client)
{
GError *error = NULL;
if (!meta_test_client_wait (test_client, &error))
{
g_error ("Failed to sync test client '%s': %s",
meta_test_client_get_id (test_client), error->message);
}
}
static void
meta_test_actor_stage_views_queue_frame_drawn (void)
{
MetaBackend *backend = meta_context_get_backend (test_context);
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
MetaMonitorManagerTest *monitor_manager_test =
META_MONITOR_MANAGER_TEST (monitor_manager);
MetaDisplay *display;
MetaX11Display *x11_display;
ClutterActor *stage = meta_backend_get_stage (backend);
MetaTestClient *x11_test_client;
MonitorTestCaseSetup hotplug_test_case_setup = initial_test_case_setup;
MetaMonitorTestSetup *test_setup;
GError *error = NULL;
MetaWindow *test_window;
ClutterActor *window_actor;
x11_test_client = meta_test_client_new (test_context,
X11_TEST_CLIENT_NAME,
META_WINDOW_CLIENT_TYPE_X11,
&error);
if (!x11_test_client)
g_error ("Failed to launch X11 test client: %s", error->message);
display = meta_context_get_display (test_context);
x11_display = meta_display_get_x11_display (display);
meta_x11_display_set_alarm_filter (x11_display,
tests_alarm_filter,
x11_test_client);
if (!meta_test_client_do (x11_test_client, &error,
"create", X11_TEST_CLIENT_WINDOW,
NULL))
g_error ("Failed to create X11 window: %s", error->message);
if (!meta_test_client_do (x11_test_client, &error,
"show", X11_TEST_CLIENT_WINDOW,
NULL))
g_error ("Failed to show the window: %s", error->message);
check_test_client_state (x11_test_client);
/* Make sure we have a single output. */
hotplug_test_case_setup.n_outputs = 1;
hotplug_test_case_setup.n_crtcs = 1;
test_setup = create_monitor_test_setup (&hotplug_test_case_setup,
MONITOR_TEST_FLAG_NO_STORED);
meta_monitor_manager_test_emulate_hotplug (monitor_manager_test, test_setup);
wait_for_paint (stage);
g_assert_cmpint (g_list_length (clutter_actor_peek_stage_views (stage)),
==,
1);
/* Find client window actor and ensure it's on a stage view. */
test_window = meta_test_client_find_window (x11_test_client,
X11_TEST_CLIENT_WINDOW,
&error);
if (!test_window)
g_error ("Failed to find the window: %s", error->message);
window_actor = CLUTTER_ACTOR (meta_window_actor_from_window (test_window));
g_assert_nonnull (clutter_actor_peek_stage_views (window_actor));
/* Queue an X11 _NET_WM_FRAME_DRAWN event; this will find the frame clock via
* the actor stage view list.
*/
meta_window_actor_queue_frame_drawn (META_WINDOW_ACTOR (window_actor), TRUE);
/* Hotplug to rebuild the views, will clear the window actor view list. */
test_setup = create_monitor_test_setup (&hotplug_test_case_setup,
MONITOR_TEST_FLAG_NO_STORED);
meta_monitor_manager_test_emulate_hotplug (monitor_manager_test, test_setup);
g_assert_null (clutter_actor_peek_stage_views (window_actor));
/* Queue an X11 _NET_WM_FRAME_DRAWN event; this will find the frame clock via
* the stage's frame clock, as the actor hasn't been been through relayout.
*/
meta_window_actor_queue_frame_drawn (META_WINDOW_ACTOR (window_actor), TRUE);
/* Hotplug again to re-rebuild the views, will again clear the window actor
* view list, which will be a no-op. */
test_setup = create_monitor_test_setup (&hotplug_test_case_setup,
MONITOR_TEST_FLAG_NO_STORED);
meta_monitor_manager_test_emulate_hotplug (monitor_manager_test, test_setup);
/* Make sure we're not using some old frame clock when queuing another
* _NET_WM_FRAME_DRAWN event. */
meta_window_actor_queue_frame_drawn (META_WINDOW_ACTOR (window_actor), TRUE);
wait_for_paint (stage);
if (!meta_test_client_quit (x11_test_client, &error))
g_error ("Failed to quit X11 test client: %s", error->message);
meta_test_client_destroy (x11_test_client);
meta_x11_display_set_alarm_filter (x11_display, NULL, NULL);
}
static void
meta_test_timeline_actor_destroyed (void)
{
@ -1152,6 +1277,8 @@ init_tests (void)
meta_test_actor_stage_views_parent_views_changed);
g_test_add_func ("/stage-views/actor-stage-views-and-frame-clocks-freed",
meta_test_actor_stage_views_and_frame_clocks_freed);
g_test_add_func ("/stage-views/actor-stage-viwes-queue-frame-drawn",
meta_test_actor_stage_views_queue_frame_drawn);
g_test_add_func ("/stage-views/timeline/actor-destroyed",
meta_test_timeline_actor_destroyed);
}
@ -1162,9 +1289,11 @@ main (int argc, char *argv[])
g_autoptr (MetaContext) context = NULL;
context = meta_create_test_context (META_CONTEXT_TEST_TYPE_NESTED,
META_CONTEXT_TEST_FLAG_NO_X11);
META_CONTEXT_TEST_FLAG_TEST_CLIENT);
g_assert (meta_context_configure (context, &argc, &argv, NULL));
test_context = context;
init_tests ();
return meta_context_test_run_tests (META_CONTEXT_TEST (context));