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wayland/surface: Make cached subsurface state generic

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This moves the cached subsurface surface state into the generic
MetaWaylandSurface namespace. Eventually it'll be used by other surface
roles which as well aim to implement synhcronization.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/907
This commit is contained in:
Jonas Ådahl 2019-03-13 14:42:40 +01:00
parent bbec8abb68
commit f7e256e9a1
3 changed files with 37 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/wayland/meta-wayland-subsurface.c
View File

@ -189,7 +189,7 @@ meta_wayland_subsurface_parent_state_applied (MetaWaylandSubsurface *subsurface)
}
if (is_surface_effectively_synchronized (surface))
meta_wayland_surface_apply_state (surface, surface->sub.pending);
meta_wayland_surface_apply_cached_state (surface);
meta_wayland_actor_surface_sync_actor_state (actor_surface);
}
@ -356,7 +356,6 @@ wl_subsurface_destructor (struct wl_resource *resource)
surface->sub.parent = NULL;
}
g_clear_object (&surface->sub.pending);
surface->wl_subsurface = NULL;
}
@ -485,7 +484,7 @@ wl_subsurface_set_desync (struct wl_client *client,
if (was_effectively_synchronized &&
!is_surface_effectively_synchronized (surface))
meta_wayland_surface_apply_state (surface, surface->sub.pending);
meta_wayland_surface_apply_cached_state (surface);
}
static const struct wl_subsurface_interface meta_wayland_wl_subsurface_interface = {
@ -561,7 +560,6 @@ wl_subcompositor_get_subsurface (struct wl_client *client,
surface,
wl_subsurface_destructor);
surface->sub.pending = g_object_new (META_TYPE_WAYLAND_SURFACE_STATE, NULL);
surface->sub.synchronous = TRUE;
surface->sub.parent = parent;
surface->sub.parent_destroy_listener.notify =

30
src/wayland/meta-wayland-surface.c
View File

@ -616,7 +616,7 @@ meta_wayland_surface_cache_pending_frame_callbacks (MetaWaylandSurface *sur
wl_list_init (&pending->frame_callback_list);
}
void
static void
meta_wayland_surface_apply_state (MetaWaylandSurface *surface,
MetaWaylandSurfaceState *state)
{
@ -817,12 +817,30 @@ cleanup:
}
}
void
meta_wayland_surface_apply_cached_state (MetaWaylandSurface *surface)
{
if (!surface->cached_state)
return;
meta_wayland_surface_apply_state (surface, surface->cached_state);
}
MetaWaylandSurfaceState *
meta_wayland_surface_get_pending_state (MetaWaylandSurface *surface)
{
return surface->pending_state;
}
MetaWaylandSurfaceState *
meta_wayland_surface_ensure_cached_state (MetaWaylandSurface *surface)
{
if (!surface->cached_state)
surface->cached_state = g_object_new (META_TYPE_WAYLAND_SURFACE_STATE,
NULL);
return surface->cached_state;
}
static void
meta_wayland_surface_commit (MetaWaylandSurface *surface)
{
@ -844,10 +862,17 @@ meta_wayland_surface_commit (MetaWaylandSurface *surface)
* surface is in effective desynchronized mode.
*/
if (meta_wayland_surface_should_cache_state (surface))
meta_wayland_surface_state_merge_into (pending, surface->sub.pending);
{
MetaWaylandSurfaceState *cached_state;
cached_state = meta_wayland_surface_ensure_cached_state (surface);
meta_wayland_surface_state_merge_into (pending, cached_state);
}
else
{
meta_wayland_surface_apply_state (surface, surface->pending_state);
}
}
static void
wl_surface_destroy (struct wl_client *client,
@ -1344,6 +1369,7 @@ wl_surface_destructor (struct wl_resource *resource)
g_clear_pointer (&surface->texture, cogl_object_unref);
g_clear_object (&surface->buffer_ref.buffer);
g_clear_object (&surface->cached_state);
g_clear_object (&surface->pending_state);
if (surface->opaque_region)

9
src/wayland/meta-wayland-surface.h
View File

@ -176,6 +176,8 @@ struct _MetaWaylandSurface
/* All the pending state that wl_surface.commit will apply. */
MetaWaylandSurfaceState *pending_state;
/* State cached due to inter-surface synchronization such. */
MetaWaylandSurfaceState *cached_state;
/* Extension resources. */
struct wl_resource *wl_subsurface;
@ -197,7 +199,6 @@ struct _MetaWaylandSurface
* state here.
*/
gboolean synchronous;
MetaWaylandSurfaceState *pending;
int32_t pending_x;
int32_t pending_y;
@ -232,8 +233,10 @@ MetaWaylandSurface *meta_wayland_surface_create (MetaWaylandCompositor *composit
MetaWaylandSurfaceState *
meta_wayland_surface_get_pending_state (MetaWaylandSurface *surface);
void meta_wayland_surface_apply_state (MetaWaylandSurface *surface,
MetaWaylandSurfaceState *state);
MetaWaylandSurfaceState *
meta_wayland_surface_ensure_cached_state (MetaWaylandSurface *surface);
void meta_wayland_surface_apply_cached_state (MetaWaylandSurface *surface);
gboolean meta_wayland_surface_is_effectively_synchronized (MetaWaylandSurface *surface);