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compositor: Use stage signals instead of clutter repaint callbacks

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The repaint callbacks are not tied to repaint, thus a bit misleading.
What the functionality in the pre/post-paint callbacks here cares about
is when actually painting; the non-painting related parts has already
moved out to a *-update signal.

This also renames the related MetaWindowActorClass vfuncs, to align with
naming convention of the signals that it listens to.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1285
This commit is contained in:
Jonas Ådahl 2020-05-30 00:02:42 +02:00
parent 8cff3b84f7
commit 37326e4a32
8 changed files with 73 additions and 100 deletions
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4
src/compositor/compositor-private.h
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@ -23,8 +23,8 @@ struct _MetaCompositorClass
gboolean (* manage) (MetaCompositor *compositor,
GError **error);
void (* unmanage) (MetaCompositor *compositor);
void (* pre_paint) (MetaCompositor *compositor);
void (* post_paint) (MetaCompositor *compositor);
void (* before_paint) (MetaCompositor *compositor);
void (* after_paint) (MetaCompositor *compositor);
void (* remove_window) (MetaCompositor *compositor,
MetaWindow *window);
};

116
src/compositor/compositor.c
View File

@ -105,11 +105,9 @@ typedef struct _MetaCompositorPrivate
MetaDisplay *display;
MetaBackend *backend;
guint pre_paint_func_id;
guint post_paint_func_id;
gulong stage_presented_id;
gulong stage_after_paint_id;
gulong before_paint_handler_id;
gulong after_paint_handler_id;
int64_t server_time_query_time;
int64_t server_time_offset;
@ -481,19 +479,6 @@ meta_end_modal_for_plugin (MetaCompositor *compositor,
grab_window, grab_op);
}
static void
after_stage_paint (ClutterStage *stage,
gpointer data)
{
MetaCompositor *compositor = data;
MetaCompositorPrivate *priv =
meta_compositor_get_instance_private (compositor);
GList *l;
for (l = priv->windows; l; l = l->next)
meta_window_actor_post_paint (l->data);
}
static void
redirect_windows (MetaX11Display *x11_display)
{
@ -562,18 +547,6 @@ meta_compositor_do_manage (MetaCompositor *compositor,
G_CALLBACK (on_presented),
compositor);
/* We use connect_after() here to accomodate code in GNOME Shell that,
* when benchmarking drawing performance, connects to ::after-paint
* and calls glFinish(). The timing information from that will be
* more accurate if we hold off until that completes before we signal
* apps to begin drawing the next frame. If there are no other
* connections to ::after-paint, connect() vs. connect_after() doesn't
* matter.
*/
priv->stage_after_paint_id =
g_signal_connect_after (stage, "after-paint",
G_CALLBACK (after_stage_paint), compositor);
clutter_stage_set_sync_delay (CLUTTER_STAGE (stage), META_SYNC_DELAY);
priv->window_group = meta_window_group_new (display);
@ -1107,40 +1080,31 @@ on_presented (ClutterStage *stage,
}
static void
meta_compositor_real_pre_paint (MetaCompositor *compositor)
meta_compositor_real_before_paint (MetaCompositor *compositor)
{
MetaCompositorPrivate *priv =
meta_compositor_get_instance_private (compositor);
GList *l;
for (l = priv->windows; l; l = l->next)
meta_window_actor_pre_paint (l->data);
meta_window_actor_before_paint (l->data);
}
static void
meta_compositor_pre_paint (MetaCompositor *compositor)
meta_compositor_before_paint (MetaCompositor *compositor)
{
COGL_TRACE_BEGIN_SCOPED (MetaCompositorPrePaint,
"Compositor (pre-paint)");
META_COMPOSITOR_GET_CLASS (compositor)->pre_paint (compositor);
}
static gboolean
meta_pre_paint_func (gpointer data)
{
MetaCompositor *compositor = data;
meta_compositor_pre_paint (compositor);
return TRUE;
"Compositor (before-paint)");
META_COMPOSITOR_GET_CLASS (compositor)->before_paint (compositor);
}
static void
meta_compositor_real_post_paint (MetaCompositor *compositor)
meta_compositor_real_after_paint (MetaCompositor *compositor)
{
MetaCompositorPrivate *priv =
meta_compositor_get_instance_private (compositor);
CoglGraphicsResetStatus status;
GList *l;
status = cogl_get_graphics_reset_status (priv->context);
switch (status)
@ -1164,24 +1128,35 @@ meta_compositor_real_post_paint (MetaCompositor *compositor)
meta_restart (NULL);
break;
}
for (l = priv->windows; l; l = l->next)
{
ClutterActor *actor = l->data;
meta_window_actor_after_paint (META_WINDOW_ACTOR (actor));
}
}
static void
meta_compositor_post_paint (MetaCompositor *compositor)
meta_compositor_after_paint (MetaCompositor *compositor)
{
COGL_TRACE_BEGIN_SCOPED (MetaCompositorPostPaint,
"Compositor (post-paint)");
META_COMPOSITOR_GET_CLASS (compositor)->post_paint (compositor);
"Compositor (after-paint)");
META_COMPOSITOR_GET_CLASS (compositor)->after_paint (compositor);
}
static gboolean
meta_post_paint_func (gpointer data)
static void
on_before_paint (ClutterStage *stage,
MetaCompositor *compositor)
{
MetaCompositor *compositor = data;
meta_compositor_before_paint (compositor);
}
meta_compositor_post_paint (compositor);
return TRUE;
static void
on_after_paint (ClutterStage *stage,
MetaCompositor *compositor)
{
meta_compositor_after_paint (compositor);
}
static void
@ -1243,19 +1218,20 @@ meta_compositor_constructed (GObject *object)
meta_compositor_get_instance_private (compositor);
ClutterBackend *clutter_backend =
meta_backend_get_clutter_backend (priv->backend);
ClutterActor *stage = meta_backend_get_stage (priv->backend);
priv->context = clutter_backend->cogl_context;
priv->pre_paint_func_id =
clutter_threads_add_repaint_func_full (CLUTTER_REPAINT_FLAGS_PRE_PAINT,
meta_pre_paint_func,
compositor,
NULL);
priv->post_paint_func_id =
clutter_threads_add_repaint_func_full (CLUTTER_REPAINT_FLAGS_POST_PAINT,
meta_post_paint_func,
compositor,
NULL);
priv->before_paint_handler_id =
g_signal_connect (stage,
"before-paint",
G_CALLBACK (on_before_paint),
compositor);
priv->after_paint_handler_id =
g_signal_connect_after (stage,
"after-paint",
G_CALLBACK (on_after_paint),
compositor);
priv->laters = meta_laters_new (compositor);
@ -1272,13 +1248,9 @@ meta_compositor_dispose (GObject *object)
g_clear_pointer (&priv->laters, meta_laters_free);
g_clear_signal_handler (&priv->stage_after_paint_id, stage);
g_clear_signal_handler (&priv->stage_presented_id, stage);
g_clear_handle_id (&priv->pre_paint_func_id,
clutter_threads_remove_repaint_func);
g_clear_handle_id (&priv->post_paint_func_id,
clutter_threads_remove_repaint_func);
g_clear_signal_handler (&priv->before_paint_handler_id, stage);
g_clear_signal_handler (&priv->after_paint_handler_id, stage);
g_clear_signal_handler (&priv->top_window_actor_destroy_id,
priv->top_window_actor);
@ -1302,8 +1274,8 @@ meta_compositor_class_init (MetaCompositorClass *klass)
object_class->dispose = meta_compositor_dispose;
klass->remove_window = meta_compositor_real_remove_window;
klass->pre_paint = meta_compositor_real_pre_paint;
klass->post_paint = meta_compositor_real_post_paint;
klass->before_paint = meta_compositor_real_before_paint;
klass->after_paint = meta_compositor_real_after_paint;
obj_props[PROP_DISPLAY] =
g_param_spec_object ("display",

6
src/compositor/meta-compositor-native.c
View File

@ -116,14 +116,14 @@ maybe_assign_primary_plane (MetaCompositor *compositor)
}
static void
meta_compositor_native_pre_paint (MetaCompositor *compositor)
meta_compositor_native_before_paint (MetaCompositor *compositor)
{
MetaCompositorClass *parent_class;
maybe_assign_primary_plane (compositor);
parent_class = META_COMPOSITOR_CLASS (meta_compositor_native_parent_class);
parent_class->pre_paint (compositor);
parent_class->before_paint (compositor);
}
MetaCompositorNative *
@ -146,5 +146,5 @@ meta_compositor_native_class_init (MetaCompositorNativeClass *klass)
{
MetaCompositorClass *compositor_class = META_COMPOSITOR_CLASS (klass);
compositor_class->pre_paint = meta_compositor_native_pre_paint;
compositor_class->before_paint = meta_compositor_native_before_paint;
}

12
src/compositor/meta-compositor-x11.c
View File

@ -330,7 +330,7 @@ on_before_update (ClutterStage *stage,
}
static void
meta_compositor_x11_pre_paint (MetaCompositor *compositor)
meta_compositor_x11_before_paint (MetaCompositor *compositor)
{
MetaCompositorX11 *compositor_x11 = META_COMPOSITOR_X11 (compositor);
MetaCompositorClass *parent_class;
@ -338,11 +338,11 @@ meta_compositor_x11_pre_paint (MetaCompositor *compositor)
maybe_unredirect_top_window (compositor_x11);
parent_class = META_COMPOSITOR_CLASS (meta_compositor_x11_parent_class);
parent_class->pre_paint (compositor);
parent_class->before_paint (compositor);
}
static void
meta_compositor_x11_post_paint (MetaCompositor *compositor)
meta_compositor_x11_after_paint (MetaCompositor *compositor)
{
MetaCompositorX11 *compositor_x11 = META_COMPOSITOR_X11 (compositor);
MetaCompositorClass *parent_class;
@ -356,7 +356,7 @@ meta_compositor_x11_post_paint (MetaCompositor *compositor)
}
parent_class = META_COMPOSITOR_CLASS (meta_compositor_x11_parent_class);
parent_class->post_paint (compositor);
parent_class->after_paint (compositor);
}
static void
@ -437,7 +437,7 @@ meta_compositor_x11_class_init (MetaCompositorX11Class *klass)
compositor_class->manage = meta_compositor_x11_manage;
compositor_class->unmanage = meta_compositor_x11_unmanage;
compositor_class->pre_paint = meta_compositor_x11_pre_paint;
compositor_class->post_paint = meta_compositor_x11_post_paint;
compositor_class->before_paint = meta_compositor_x11_before_paint;
compositor_class->after_paint = meta_compositor_x11_after_paint;
compositor_class->remove_window = meta_compositor_x11_remove_window;
}

9
src/compositor/meta-window-actor-private.h
View File

@ -23,8 +23,9 @@ struct _MetaWindowActorClass
void (*queue_frame_drawn) (MetaWindowActor *actor,
gboolean skip_sync_delay);
void (*pre_paint) (MetaWindowActor *actor);
void (*post_paint) (MetaWindowActor *actor);
void (*before_paint) (MetaWindowActor *actor);
void (*after_paint) (MetaWindowActor *actor);
void (*queue_destroy) (MetaWindowActor *actor);
void (*set_frozen) (MetaWindowActor *actor,
gboolean frozen);
@ -49,8 +50,8 @@ void meta_window_actor_size_change (MetaWindowActor *self,
MetaRectangle *old_frame_rect,
MetaRectangle *old_buffer_rect);
void meta_window_actor_pre_paint (MetaWindowActor *self);
void meta_window_actor_post_paint (MetaWindowActor *self);
void meta_window_actor_before_paint (MetaWindowActor *self);
void meta_window_actor_after_paint (MetaWindowActor *self);
void meta_window_actor_frame_complete (MetaWindowActor *self,
ClutterFrameInfo *frame_info,
gint64 presentation_time);

8
src/compositor/meta-window-actor-wayland.c
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@ -119,12 +119,12 @@ meta_window_actor_wayland_queue_frame_drawn (MetaWindowActor *actor,
}
static void
meta_window_actor_wayland_pre_paint (MetaWindowActor *actor)
meta_window_actor_wayland_before_paint (MetaWindowActor *actor)
{
}
static void
meta_window_actor_wayland_post_paint (MetaWindowActor *actor)
meta_window_actor_wayland_after_paint (MetaWindowActor *actor)
{
}
@ -178,8 +178,8 @@ meta_window_actor_wayland_class_init (MetaWindowActorWaylandClass *klass)
window_actor_class->assign_surface_actor = meta_window_actor_wayland_assign_surface_actor;
window_actor_class->frame_complete = meta_window_actor_wayland_frame_complete;
window_actor_class->queue_frame_drawn = meta_window_actor_wayland_queue_frame_drawn;
window_actor_class->pre_paint = meta_window_actor_wayland_pre_paint;
window_actor_class->post_paint = meta_window_actor_wayland_post_paint;
window_actor_class->before_paint = meta_window_actor_wayland_before_paint;
window_actor_class->after_paint = meta_window_actor_wayland_after_paint;
window_actor_class->queue_destroy = meta_window_actor_wayland_queue_destroy;
window_actor_class->set_frozen = meta_window_actor_wayland_set_frozen;
window_actor_class->update_regions = meta_window_actor_wayland_update_regions;

10
src/compositor/meta-window-actor-x11.c
View File

@ -470,7 +470,7 @@ meta_window_actor_x11_queue_frame_drawn (MetaWindowActor *actor,
/* A frame was marked by the client without actually doing any
* damage or any unobscured, or while we had the window frozen
* (e.g. during an interactive resize.) We need to make sure that the
* pre_paint/post_paint functions get called, enabling us to
* before_paint/after_paint functions get called, enabling us to
* send a _NET_WM_FRAME_DRAWN. We do a 1-pixel redraw to get
* consistent timing with non-empty frames. If the window
* is completely obscured we fire off the send_frame_messages timeout.
@ -1226,7 +1226,7 @@ handle_updates (MetaWindowActorX11 *actor_x11)
}
static void
meta_window_actor_x11_pre_paint (MetaWindowActor *actor)
meta_window_actor_x11_before_paint (MetaWindowActor *actor)
{
MetaWindowActorX11 *actor_x11 = META_WINDOW_ACTOR_X11 (actor);
@ -1304,7 +1304,7 @@ meta_window_actor_x11_paint (ClutterActor *actor,
}
static void
meta_window_actor_x11_post_paint (MetaWindowActor *actor)
meta_window_actor_x11_after_paint (MetaWindowActor *actor)
{
MetaWindowActorX11 *actor_x11 = META_WINDOW_ACTOR_X11 (actor);
MetaWindow *window;
@ -1598,8 +1598,8 @@ meta_window_actor_x11_class_init (MetaWindowActorX11Class *klass)
window_actor_class->frame_complete = meta_window_actor_x11_frame_complete;
window_actor_class->assign_surface_actor = meta_window_actor_x11_assign_surface_actor;
window_actor_class->queue_frame_drawn = meta_window_actor_x11_queue_frame_drawn;
window_actor_class->pre_paint = meta_window_actor_x11_pre_paint;
window_actor_class->post_paint = meta_window_actor_x11_post_paint;
window_actor_class->before_paint = meta_window_actor_x11_before_paint;
window_actor_class->after_paint = meta_window_actor_x11_after_paint;
window_actor_class->queue_destroy = meta_window_actor_x11_queue_destroy;
window_actor_class->set_frozen = meta_window_actor_x11_set_frozen;
window_actor_class->update_regions = meta_window_actor_x11_update_regions;

8
src/compositor/meta-window-actor.c
View File

@ -1021,21 +1021,21 @@ meta_window_actor_sync_visibility (MetaWindowActor *self)
}
void
meta_window_actor_pre_paint (MetaWindowActor *self)
meta_window_actor_before_paint (MetaWindowActor *self)
{
if (meta_window_actor_is_destroyed (self))
return;
META_WINDOW_ACTOR_GET_CLASS (self)->pre_paint (self);
META_WINDOW_ACTOR_GET_CLASS (self)->before_paint (self);
}
void
meta_window_actor_post_paint (MetaWindowActor *self)
meta_window_actor_after_paint (MetaWindowActor *self)
{
MetaWindowActorPrivate *priv =
meta_window_actor_get_instance_private (self);
META_WINDOW_ACTOR_GET_CLASS (self)->post_paint (self);
META_WINDOW_ACTOR_GET_CLASS (self)->after_paint (self);
if (meta_window_actor_is_destroyed (self))
return;