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kms/update: Allow page flip callback listeners on any thread

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This hooks into the MetaThread GMainContext callback machinery just
added; and allows receiving page flip callbacks on any thread.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2777>
This commit is contained in:
Jonas Ådahl 2021-07-09 19:49:56 +02:00
parent f83c30bae5
commit d77b5935cd
12 changed files with 269 additions and 64 deletions
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1
src/backends/native/meta-kms-impl-device-atomic.c
View File

@ -755,6 +755,7 @@ process_page_flip_listener (MetaKmsImplDevice *impl_device,
meta_kms_page_flip_data_add_listener (page_flip_data,
listener->vtable,
listener->flags,
listener->main_context,
listener_user_data,
listener_destroy_notify);

2
src/backends/native/meta-kms-impl-device-simple.c
View File

@ -1091,6 +1091,7 @@ generate_page_flip_datas (MetaKmsImplDevice *impl_device,
meta_kms_page_flip_data_add_listener (page_flip_data,
listener->vtable,
listener->flags,
listener->main_context,
user_data,
destroy_notify);
@ -1113,6 +1114,7 @@ generate_page_flip_datas (MetaKmsImplDevice *impl_device,
meta_kms_page_flip_data_add_listener (page_flip_data,
other_listener->vtable,
other_listener->flags,
other_listener->main_context,
other_user_data,
other_destroy_notify);
listeners = g_list_delete_link (listeners, l);

1
src/backends/native/meta-kms-impl-device.c
View File

@ -1064,6 +1064,7 @@ meta_kms_impl_device_process_update (MetaKmsImplDevice *impl_device,
MetaKms *kms = meta_kms_device_get_kms (priv->device);
meta_kms_queue_callback (kms,
NULL,
emit_resources_changed_callback,
GUINT_TO_POINTER (changes), NULL);
}

1
src/backends/native/meta-kms-page-flip-private.h
View File

@ -38,6 +38,7 @@ void meta_kms_page_flip_data_unref (MetaKmsPageFlipData *page_flip_data);
void meta_kms_page_flip_data_add_listener (MetaKmsPageFlipData *page_flip_data,
const MetaKmsPageFlipListenerVtable *vtable,
MetaKmsPageFlipListenerFlag flags,
GMainContext *main_context,
gpointer user_data,
GDestroyNotify destroy_notify);

118
src/backends/native/meta-kms-page-flip.c
View File

@ -30,8 +30,11 @@ typedef struct _MetaKmsPageFlipClosure
{
const MetaKmsPageFlipListenerVtable *vtable;
MetaKmsPageFlipListenerFlag flags;
GMainContext *main_context;
gpointer user_data;
GDestroyNotify destroy_notify;
MetaKmsPageFlipData *page_flip_data;
} MetaKmsPageFlipClosure;
struct _MetaKmsPageFlipData
@ -55,6 +58,7 @@ struct _MetaKmsPageFlipData
static MetaKmsPageFlipClosure *
meta_kms_page_flip_closure_new (const MetaKmsPageFlipListenerVtable *vtable,
MetaKmsPageFlipListenerFlag flags,
GMainContext *main_context,
gpointer user_data,
GDestroyNotify destroy_notify)
{
@ -64,6 +68,7 @@ meta_kms_page_flip_closure_new (const MetaKmsPageFlipListenerVtable *vtable,
*closure = (MetaKmsPageFlipClosure) {
.vtable = vtable,
.flags = flags,
.main_context = main_context,
.user_data = user_data,
.destroy_notify = destroy_notify,
};
@ -74,10 +79,20 @@ meta_kms_page_flip_closure_new (const MetaKmsPageFlipListenerVtable *vtable,
static void
meta_kms_page_flip_closure_free (MetaKmsPageFlipClosure *closure)
{
g_clear_pointer (&closure->page_flip_data, meta_kms_page_flip_data_unref);
g_clear_pointer (&closure->user_data, closure->destroy_notify);
g_free (closure);
}
static void
meta_kms_page_closure_set_data (MetaKmsPageFlipClosure *closure,
MetaKmsPageFlipData *page_flip_data)
{
g_return_if_fail (!closure->page_flip_data);
closure->page_flip_data = meta_kms_page_flip_data_ref (page_flip_data);
}
MetaKmsPageFlipData *
meta_kms_page_flip_data_new (MetaKmsImplDevice *impl_device,
MetaKmsCrtc *crtc)
@ -118,12 +133,14 @@ void
meta_kms_page_flip_data_add_listener (MetaKmsPageFlipData *page_flip_data,
const MetaKmsPageFlipListenerVtable *vtable,
MetaKmsPageFlipListenerFlag flags,
GMainContext *main_context,
gpointer user_data,
GDestroyNotify destroy_notify)
{
MetaKmsPageFlipClosure *closure;
closure = meta_kms_page_flip_closure_new (vtable, flags,
main_context,
user_data,
destroy_notify);
page_flip_data->closures = g_list_append (page_flip_data->closures, closure);
@ -142,18 +159,14 @@ meta_kms_page_flip_data_get_crtc (MetaKmsPageFlipData *page_flip_data)
}
static void
meta_kms_page_flip_data_flipped (MetaThread *thread,
invoke_page_flip_closure_flipped (MetaThread *thread,
gpointer user_data)
{
MetaKmsPageFlipData *page_flip_data = user_data;
GList *l;
MetaKmsPageFlipClosure *closure = user_data;
MetaKmsPageFlipData *page_flip_data = closure->page_flip_data;
meta_assert_not_in_kms_impl (META_KMS (thread));
for (l = page_flip_data->closures; l; l = l->next)
{
MetaKmsPageFlipClosure *closure = l->data;
if (page_flip_data->is_symbolic)
{
closure->vtable->ready (page_flip_data->crtc,
@ -168,7 +181,6 @@ meta_kms_page_flip_data_flipped (MetaThread *thread,
closure->user_data);
}
}
}
static MetaKms *
meta_kms_from_impl_device (MetaKmsImplDevice *impl_device)
@ -209,64 +221,79 @@ void
meta_kms_page_flip_data_flipped_in_impl (MetaKmsPageFlipData *page_flip_data)
{
MetaKms *kms = meta_kms_from_impl_device (page_flip_data->impl_device);
g_autoptr (GList) closures = NULL;
GList *l;
meta_assert_in_kms_impl (kms);
meta_kms_queue_callback (kms,
meta_kms_page_flip_data_flipped,
page_flip_data,
(GDestroyNotify) meta_kms_page_flip_data_unref);
}
static void
meta_kms_page_flip_data_mode_set_fallback (MetaThread *thread,
gpointer user_data)
{
MetaKmsPageFlipData *page_flip_data = user_data;
GList *l;
meta_assert_not_in_kms_impl (META_KMS (thread));
for (l = page_flip_data->closures; l; l = l->next)
closures = g_steal_pointer (&page_flip_data->closures);
for (l = closures; l; l = l->next)
{
MetaKmsPageFlipClosure *closure = l->data;
meta_kms_page_closure_set_data (closure, page_flip_data);
meta_kms_queue_callback (kms,
closure->main_context,
invoke_page_flip_closure_flipped,
closure,
(GDestroyNotify) meta_kms_page_flip_closure_free);
}
meta_kms_page_flip_data_unref (page_flip_data);
}
static void
invoke_page_flip_closure_mode_set_fallback (MetaThread *thread,
gpointer user_data)
{
MetaKmsPageFlipClosure *closure = user_data;
MetaKmsPageFlipData *page_flip_data = closure->page_flip_data;
meta_assert_not_in_kms_impl (META_KMS (thread));
closure->vtable->mode_set_fallback (page_flip_data->crtc,
closure->user_data);
}
}
void
meta_kms_page_flip_data_mode_set_fallback_in_impl (MetaKmsPageFlipData *page_flip_data)
{
MetaKms *kms = meta_kms_from_impl_device (page_flip_data->impl_device);
g_autoptr (GList) closures = NULL;
GList *l;
meta_assert_in_kms_impl (kms);
closures = g_steal_pointer (&page_flip_data->closures);
for (l = closures; l; l = l->next)
{
MetaKmsPageFlipClosure *closure = l->data;
meta_kms_page_closure_set_data (closure, page_flip_data);
meta_kms_queue_callback (kms,
meta_kms_page_flip_data_mode_set_fallback,
page_flip_data,
(GDestroyNotify) meta_kms_page_flip_data_unref);
closure->main_context,
invoke_page_flip_closure_mode_set_fallback,
closure,
(GDestroyNotify) meta_kms_page_flip_closure_free);
}
meta_kms_page_flip_data_unref (page_flip_data);
}
static void
meta_kms_page_flip_data_discard (MetaThread *thread,
invoke_page_flip_closure_discarded (MetaThread *thread,
gpointer user_data)
{
MetaKmsPageFlipData *page_flip_data = user_data;
GList *l;
MetaKmsPageFlipClosure *closure = user_data;
MetaKmsPageFlipData *page_flip_data = closure->page_flip_data;
meta_assert_not_in_kms_impl (META_KMS (thread));
for (l = page_flip_data->closures; l; l = l->next)
{
MetaKmsPageFlipClosure *closure = l->data;
closure->vtable->discarded (page_flip_data->crtc,
closure->user_data,
page_flip_data->error);
}
}
void
meta_kms_page_flip_data_take_error (MetaKmsPageFlipData *page_flip_data,
@ -282,14 +309,27 @@ meta_kms_page_flip_data_discard_in_impl (MetaKmsPageFlipData *page_flip_data,
const GError *error)
{
MetaKms *kms = meta_kms_from_impl_device (page_flip_data->impl_device);
g_autoptr (GList) closures = NULL;
GList *l;
meta_assert_in_kms_impl (kms);
if (error)
meta_kms_page_flip_data_take_error (page_flip_data, g_error_copy (error));
closures = g_steal_pointer (&page_flip_data->closures);
for (l = closures; l; l = l->next)
{
MetaKmsPageFlipClosure *closure = l->data;
meta_kms_page_closure_set_data (closure, page_flip_data);
meta_kms_queue_callback (kms,
meta_kms_page_flip_data_discard,
page_flip_data,
(GDestroyNotify) meta_kms_page_flip_data_unref);
closure->main_context,
invoke_page_flip_closure_discarded,
closure,
(GDestroyNotify) meta_kms_page_flip_closure_free);
}
meta_kms_page_flip_data_unref (page_flip_data);
}

1
src/backends/native/meta-kms-private.h
View File

@ -31,6 +31,7 @@ typedef void (* MetaKmsCallback) (MetaKms *kms,
gpointer user_data);
void meta_kms_queue_callback (MetaKms *kms,
GMainContext *main_context,
MetaThreadCallback callback,
gpointer user_data,
GDestroyNotify user_data_destroy);

1
src/backends/native/meta-kms-update-private.h
View File

@ -121,6 +121,7 @@ typedef struct _MetaKmsPageFlipListener
MetaKmsCrtc *crtc;
const MetaKmsPageFlipListenerVtable *vtable;
MetaKmsPageFlipListenerFlag flags;
GMainContext *main_context;
gpointer user_data;
GDestroyNotify destroy_notify;
} MetaKmsPageFlipListener;

23
src/backends/native/meta-kms-update.c
View File

@ -193,15 +193,36 @@ meta_kms_mode_set_free (MetaKmsModeSet *mode_set)
g_free (mode_set);
}
static gboolean
noop_callback (gpointer user_data)
{
return G_SOURCE_REMOVE;
}
static void
meta_kms_page_flip_listener_unref (MetaKmsPageFlipListener *listener)
{
if (!g_atomic_ref_count_dec (&listener->ref_count))
return;
if (listener->main_context == g_main_context_get_thread_default ())
{
g_clear_pointer (&listener->user_data, listener->destroy_notify);
g_free (listener);
}
else
{
GSource *source;
source = g_idle_source_new ();
g_source_set_callback (source, noop_callback,
g_steal_pointer (&listener->user_data),
g_steal_pointer (&listener->destroy_notify));
g_source_attach (source, listener->main_context);
g_source_unref (source);
g_free (listener);
}
}
static gboolean
drop_plane_assignment (MetaKmsUpdate *update,
@ -497,6 +518,7 @@ meta_kms_update_add_page_flip_listener (MetaKmsUpdate *upd
MetaKmsCrtc *crtc,
const MetaKmsPageFlipListenerVtable *vtable,
MetaKmsPageFlipListenerFlag flags,
GMainContext *main_context,
gpointer user_data,
GDestroyNotify destroy_notify)
{
@ -510,6 +532,7 @@ meta_kms_update_add_page_flip_listener (MetaKmsUpdate *upd
.crtc = crtc,
.vtable = vtable,
.flags = flags,
.main_context = main_context,
.user_data = user_data,
.destroy_notify = destroy_notify,
};

1
src/backends/native/meta-kms-update.h
View File

@ -168,6 +168,7 @@ void meta_kms_update_add_page_flip_listener (MetaKmsUpdate
MetaKmsCrtc *crtc,
const MetaKmsPageFlipListenerVtable *vtable,
MetaKmsPageFlipListenerFlag flags,
GMainContext *main_context,
gpointer user_data,
GDestroyNotify destroy_notify);

4
src/backends/native/meta-kms.c
View File

@ -170,6 +170,7 @@ meta_kms_queue_result_callback (MetaKms *kms,
MetaKmsResultListener *listener)
{
meta_kms_queue_callback (kms,
NULL,
invoke_result_listener,
listener,
(GDestroyNotify) meta_kms_result_listener_free);
@ -219,6 +220,7 @@ meta_kms_notify_modes_set (MetaKms *kms)
void
meta_kms_queue_callback (MetaKms *kms,
GMainContext *main_context,
MetaThreadCallback callback,
gpointer user_data,
GDestroyNotify user_data_destroy)
@ -226,7 +228,7 @@ meta_kms_queue_callback (MetaKms *kms,
MetaThread *thread = META_THREAD (kms);
meta_thread_queue_callback (thread,
NULL,
main_context,
callback,
user_data,
user_data_destroy);

2
src/backends/native/meta-onscreen-native.c
View File

@ -474,6 +474,7 @@ meta_onscreen_native_flip_crtc (CoglOnscreen *onscreen,
kms_crtc,
&page_flip_listener_vtable,
flags,
NULL,
g_object_ref (view),
g_object_unref);
}
@ -1548,6 +1549,7 @@ meta_onscreen_native_finish_frame (CoglOnscreen *onscreen,
kms_crtc,
&page_flip_listener_vtable,
META_KMS_PAGE_FLIP_LISTENER_FLAG_NONE,
NULL,
g_object_ref (onscreen_native->view),
g_object_unref);
add_onscreen_frame_info (crtc);

130
src/tests/native-kms-updates.c
View File

@ -351,6 +351,7 @@ meta_test_kms_update_page_flip (void)
meta_kms_update_add_page_flip_listener (update, crtc,
&page_flip_listener_vtable,
META_KMS_PAGE_FLIP_LISTENER_FLAG_NONE,
NULL,
&data,
page_flip_data_destroy);
@ -375,6 +376,7 @@ meta_test_kms_update_page_flip (void)
meta_kms_update_add_page_flip_listener (update, crtc,
&page_flip_listener_vtable,
META_KMS_PAGE_FLIP_LISTENER_FLAG_NONE,
NULL,
&data,
page_flip_data_destroy);
@ -594,6 +596,132 @@ meta_test_kms_update_merge (void)
meta_kms_update_free (update1);
}
typedef struct _ThreadData
{
GMutex init_mutex;
GMainContext *main_context;
GMainLoop *main_thread_loop;
GThread *thread;
} ThreadData;
static gpointer
off_thread_page_flip_thread_func (gpointer user_data)
{
ThreadData *data = user_data;
MetaKmsDevice *device;
MetaKms *kms;
MetaKmsUpdate *update;
MetaKmsCrtc *crtc;
MetaKmsConnector *connector;
MetaKmsMode *mode;
g_autoptr (MetaDrmBuffer) primary_buffer1 = NULL;
g_autoptr (MetaDrmBuffer) primary_buffer2 = NULL;
MetaKmsPlane *primary_plane;
PageFlipData page_flip_data = {};
MetaKmsFeedback *feedback;
g_mutex_lock (&data->init_mutex);
g_mutex_unlock (&data->init_mutex);
device = meta_get_test_kms_device (test_context);
kms = meta_kms_device_get_kms (device);
crtc = meta_get_test_kms_crtc (device);
connector = meta_get_test_kms_connector (device);
mode = meta_kms_connector_get_preferred_mode (connector);
meta_thread_register_callback_context (META_THREAD (kms),
data->main_context);
update = meta_kms_update_new (device);
meta_kms_update_mode_set (update, crtc,
g_list_append (NULL, connector),
mode);
primary_buffer1 = meta_create_test_mode_dumb_buffer (device, mode);
primary_plane = meta_kms_device_get_primary_plane_for (device, crtc);
meta_kms_update_assign_plane (update,
crtc,
primary_plane,
primary_buffer1,
meta_get_mode_fixed_rect_16 (mode),
meta_get_mode_rect (mode),
META_KMS_ASSIGN_PLANE_FLAG_NONE);
page_flip_data.loop = g_main_loop_new (data->main_context, FALSE);
page_flip_data.thread = g_thread_self ();
meta_kms_update_add_page_flip_listener (update, crtc,
&page_flip_listener_vtable,
META_KMS_PAGE_FLIP_LISTENER_FLAG_NONE,
data->main_context,
&page_flip_data,
page_flip_data_destroy);
feedback =
meta_kms_device_process_update_sync (device, update,
META_KMS_UPDATE_FLAG_NONE);
meta_kms_feedback_unref (feedback);
g_main_loop_run (page_flip_data.loop);
g_assert_cmpint (page_flip_data.state, ==, DESTROYED);
page_flip_data.state = INIT;
update = meta_kms_update_new (device);
primary_buffer2 = meta_create_test_mode_dumb_buffer (device, mode);
meta_kms_update_assign_plane (update,
crtc,
primary_plane,
primary_buffer2,
meta_get_mode_fixed_rect_16 (mode),
meta_get_mode_rect (mode),
META_KMS_ASSIGN_PLANE_FLAG_NONE);
meta_kms_update_add_page_flip_listener (update, crtc,
&page_flip_listener_vtable,
META_KMS_PAGE_FLIP_LISTENER_FLAG_NONE,
data->main_context,
&page_flip_data,
page_flip_data_destroy);
feedback =
meta_kms_device_process_update_sync (device, update,
META_KMS_UPDATE_FLAG_NONE);
meta_kms_feedback_unref (feedback);
g_main_loop_run (page_flip_data.loop);
g_assert_cmpint (page_flip_data.state, ==, DESTROYED);
g_main_loop_unref (page_flip_data.loop);
g_main_loop_quit (data->main_thread_loop);
meta_thread_unregister_callback_context (META_THREAD (kms),
data->main_context);
return GINT_TO_POINTER (TRUE);
}
static void
meta_test_kms_update_off_thread_page_flip (void)
{
ThreadData data = {};
g_mutex_init (&data.init_mutex);
g_mutex_lock (&data.init_mutex);
data.main_context = g_main_context_new ();
data.main_thread_loop = g_main_loop_new (NULL, FALSE);
data.thread = g_thread_new ("Off-thread page flip test",
off_thread_page_flip_thread_func,
&data);
g_mutex_unlock (&data.init_mutex);
g_main_loop_run (data.main_thread_loop);
g_assert_cmpint (GPOINTER_TO_INT (g_thread_join (data.thread)), ==, TRUE);
g_main_loop_unref (data.main_thread_loop);
g_main_context_unref (data.main_context);
g_mutex_clear (&data.init_mutex);
}
static void
init_tests (void)
{
@ -609,6 +737,8 @@ init_tests (void)
meta_test_kms_update_page_flip);
g_test_add_func ("/backends/native/kms/update/merge",
meta_test_kms_update_merge);
g_test_add_func ("/backends/native/kms/update/off-thread-page-flip",
meta_test_kms_update_off_thread_page_flip);
}
int