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wayland: Make MetaWaylandBufferRef reference counted

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So that we can have a more dynamic ownership.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/798
This commit is contained in:
Jonas Ådahl 2019-09-11 21:52:58 +02:00
parent bc178b711f
commit f36120757f
2 changed files with 10 additions and 4 deletions
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13
src/wayland/meta-wayland-surface.c
View File

@ -126,14 +126,20 @@ meta_wayland_buffer_ref_new (void)
MetaWaylandBufferRef *buffer_ref;
buffer_ref = g_new0 (MetaWaylandBufferRef, 1);
g_ref_count_init (&buffer_ref->ref_count);
return buffer_ref;
}
static void
meta_wayland_buffer_ref_free (MetaWaylandBufferRef *buffer_ref)
meta_wayland_buffer_ref_unref (MetaWaylandBufferRef *buffer_ref)
{
g_free (buffer_ref);
if (g_ref_count_dec (&buffer_ref->ref_count))
{
g_warn_if_fail (buffer_ref->use_count == 0);
g_clear_object (&buffer_ref->buffer);
g_free (buffer_ref);
}
}
static void
@ -1295,8 +1301,7 @@ wl_surface_destructor (struct wl_resource *resource)
if (surface->buffer_held)
meta_wayland_surface_unref_buffer_use_count (surface);
g_clear_pointer (&surface->texture, cogl_object_unref);
g_clear_object (&surface->buffer_ref->buffer);
g_clear_pointer (&surface->buffer_ref, meta_wayland_buffer_ref_free);
g_clear_pointer (&surface->buffer_ref, meta_wayland_buffer_ref_unref);
g_clear_object (&surface->cached_state);
g_clear_object (&surface->pending_state);

1
src/wayland/meta-wayland-surface.h
View File

@ -138,6 +138,7 @@ struct _MetaWaylandDragDestFuncs
typedef struct _MetaWaylandBufferRef
{
grefcount ref_count;
MetaWaylandBuffer *buffer;
unsigned int use_count;
} MetaWaylandBufferRef;