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Use new clutter_stage_set_paint_callback() function for after-paint notification

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Commit 4f2bb583bf changed things so that the compositor used
clutter_threads_add_repaint_func_full (CLUTTER_REPAINT_FLAGS_POST_PAINT
to get after-paint notification and send _NET_WM_FRAME_DRAWN, but this
doesn't actually work, since Clutter will already have blocked for
VBlank before calling post-paint functions.

The result is that frame synced toolkits like GTK 3.8 will normally
only be able to draw every other frame.

Since ::paint doesn't work either, a new function
clutter_stage_set_paint_callback() has been added to Clutter
(and will be included in the 1.14 branch)

https://bugzilla.gnome.org/show_bug.cgi?id=698794
This commit is contained in:
Owen W. Taylor 2013-04-24 16:49:06 -04:00
parent c119f98bac
commit 47b21b3547
2 changed files with 10 additions and 9 deletions
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2
configure.ac
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@ -73,7 +73,7 @@ MUTTER_PC_MODULES="
cairo >= 1.10.0
gsettings-desktop-schemas >= 3.7.3
xcomposite >= 0.2 xfixes xrender xdamage xi >= 1.6.0
$CLUTTER_PACKAGE >= 1.13.5
$CLUTTER_PACKAGE >= 1.14.3
cogl-1.0 >= 1.13.3
"

17
src/compositor/compositor.c
View File

@ -517,20 +517,20 @@ meta_check_end_modal (MetaScreen *screen)
{
meta_end_modal_for_plugin (screen,
compositor->modal_plugin,
CurrentTime);
CurrentTime);
}
}
static gboolean
after_stage_paint (gpointer data)
static void
after_stage_paint (ClutterStage *stage,
gpointer data)
{
MetaCompScreen *info = (MetaCompScreen*) data;
GList *l;
for (l = info->windows; l; l = l->next)
meta_window_actor_post_paint (l->data);
return TRUE;
}
static void
@ -611,9 +611,10 @@ meta_compositor_manage_screen (MetaCompositor *compositor,
info->stage = clutter_stage_new ();
clutter_threads_add_repaint_func_full (CLUTTER_REPAINT_FLAGS_POST_PAINT,
after_stage_paint,
info, NULL);
clutter_stage_set_paint_callback (CLUTTER_STAGE (info->stage),
after_stage_paint,
info,
NULL);
clutter_stage_set_sync_delay (CLUTTER_STAGE (info->stage), META_SYNC_DELAY);