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clutter-stage: Add gl-video-memory-purged signal

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For when you want parts of Clutter to connect to the signal, without
referencing Meta classes.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1374
This commit is contained in:
Daniel van Vugt 2020-07-17 15:16:09 +08:00 committed by Jonas Ådahl
parent 7564c2f2e4
commit 305fcd0713
2 changed files with 20 additions and 1 deletions
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17
clutter/clutter/clutter-stage.c
View File

@ -172,6 +172,7 @@ enum
AFTER_UPDATE, AFTER_UPDATE,
PAINT_VIEW, PAINT_VIEW,
PRESENTED, PRESENTED,
GL_VIDEO_MEMORY_PURGED,
LAST_SIGNAL LAST_SIGNAL
}; };
@ -2011,6 +2012,22 @@ clutter_stage_class_init (ClutterStageClass *klass)
CLUTTER_TYPE_STAGE_VIEW, CLUTTER_TYPE_STAGE_VIEW,
G_TYPE_POINTER); G_TYPE_POINTER);
/**
* ClutterStage::gl-video-memory-purged: (skip)
* @stage: the stage that received the event
*
* Signals that the underlying GL driver has had its texture memory purged
* so anything presently held in texture memory is now invalidated, and
* likely corrupt. It needs redrawing.
*/
stage_signals[GL_VIDEO_MEMORY_PURGED] =
g_signal_new (I_("gl-video-memory-purged"),
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 0);
klass->activate = clutter_stage_real_activate; klass->activate = clutter_stage_real_activate;
klass->deactivate = clutter_stage_real_deactivate; klass->deactivate = clutter_stage_real_deactivate;
klass->delete_event = clutter_stage_real_delete_event; klass->delete_event = clutter_stage_real_delete_event;

4
src/compositor/compositor.c
View File

@ -1113,6 +1113,7 @@ meta_compositor_real_after_paint (MetaCompositor *compositor,
{ {
MetaCompositorPrivate *priv = MetaCompositorPrivate *priv =
meta_compositor_get_instance_private (compositor); meta_compositor_get_instance_private (compositor);
ClutterActor *stage_actor = meta_backend_get_stage (priv->backend);
CoglGraphicsResetStatus status; CoglGraphicsResetStatus status;
GList *l; GList *l;
@ -1124,7 +1125,8 @@ meta_compositor_real_after_paint (MetaCompositor *compositor,
case COGL_GRAPHICS_RESET_STATUS_PURGED_CONTEXT_RESET: case COGL_GRAPHICS_RESET_STATUS_PURGED_CONTEXT_RESET:
g_signal_emit_by_name (priv->display, "gl-video-memory-purged"); g_signal_emit_by_name (priv->display, "gl-video-memory-purged");
clutter_actor_queue_redraw (meta_backend_get_stage (priv->backend)); g_signal_emit_by_name (stage_actor, "gl-video-memory-purged");
clutter_actor_queue_redraw (stage_actor);
break; break;
default: default: