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wayland/buffer-ref: Add helpers for use count tracking

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https://gitlab.gnome.org/GNOME/mutter/merge_requests/798
This commit is contained in:
Jonas Ådahl 2019-09-11 21:54:37 +02:00
parent f36120757f
commit f8ee974628
1 changed files with 25 additions and 14 deletions
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39
src/wayland/meta-wayland-surface.c
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@ -142,6 +142,29 @@ meta_wayland_buffer_ref_unref (MetaWaylandBufferRef *buffer_ref)
} }
} }
static void
meta_wayland_buffer_ref_inc_use_count (MetaWaylandBufferRef *buffer_ref)
{
g_return_if_fail (buffer_ref->buffer);
g_warn_if_fail (buffer_ref->buffer->resource);
buffer_ref->use_count++;
}
static void
meta_wayland_buffer_ref_dec_use_count (MetaWaylandBufferRef *buffer_ref)
{
MetaWaylandBuffer *buffer = buffer_ref->buffer;
g_return_if_fail (buffer_ref->use_count > 0);
g_return_if_fail (buffer);
buffer_ref->use_count--;
if (buffer_ref->use_count == 0 && buffer->resource)
wl_buffer_send_release (buffer->resource);
}
static void static void
role_assignment_valist_to_properties (GType role_type, role_assignment_valist_to_properties (GType role_type,
const char *first_property_name, const char *first_property_name,
@ -392,25 +415,13 @@ meta_wayland_surface_get_buffer (MetaWaylandSurface *surface)
void void
meta_wayland_surface_ref_buffer_use_count (MetaWaylandSurface *surface) meta_wayland_surface_ref_buffer_use_count (MetaWaylandSurface *surface)
{ {
g_return_if_fail (surface->buffer_ref->buffer); meta_wayland_buffer_ref_inc_use_count (surface->buffer_ref);
g_warn_if_fail (surface->buffer_ref->buffer->resource);
surface->buffer_ref->use_count++;
} }
void void
meta_wayland_surface_unref_buffer_use_count (MetaWaylandSurface *surface) meta_wayland_surface_unref_buffer_use_count (MetaWaylandSurface *surface)
{ {
MetaWaylandBuffer *buffer = surface->buffer_ref->buffer; meta_wayland_buffer_ref_dec_use_count (surface->buffer_ref);
g_return_if_fail (surface->buffer_ref->use_count != 0);
surface->buffer_ref->use_count--;
g_return_if_fail (buffer);
if (surface->buffer_ref->use_count == 0 && buffer->resource)
wl_buffer_send_release (buffer->resource);
} }
static void static void