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double-buffer place_above/place_below

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This commit is contained in:
Jasper St. Pierre 2013-11-25 20:26:00 -05:00
parent 2391606cc5
commit 2afbf369af
3 changed files with 163 additions and 13 deletions
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140
src/compositor/meta-surface-actor.c
View File

@ -24,6 +24,8 @@ struct _MetaSurfaceActorPrivate
{
MetaShapedTexture *texture;
MetaWaylandBuffer *buffer;
GSList *ops;
};
static void cullable_iface_init (MetaCullableInterface *iface);
@ -31,9 +33,23 @@ static void cullable_iface_init (MetaCullableInterface *iface);
G_DEFINE_TYPE_WITH_CODE (MetaSurfaceActor, meta_surface_actor, CLUTTER_TYPE_ACTOR,
G_IMPLEMENT_INTERFACE (META_TYPE_CULLABLE, cullable_iface_init));
static void meta_surface_actor_free_ops (MetaSurfaceActor *self);
static void
meta_surface_actor_dispose (GObject *object)
{
MetaSurfaceActor *self = META_SURFACE_ACTOR (object);
meta_surface_actor_free_ops (self);
}
static void
meta_surface_actor_class_init (MetaSurfaceActorClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = meta_surface_actor_dispose;
g_type_class_add_private (klass, sizeof (MetaSurfaceActorPrivate));
}
@ -181,3 +197,127 @@ meta_surface_actor_new (void)
{
return g_object_new (META_TYPE_SURFACE_ACTOR, NULL);
}
typedef enum {
OP_SET_POSITION,
OP_PLACE_ABOVE,
OP_PLACE_BELOW,
} MetaSurfaceActorOpType;
typedef struct {
MetaSurfaceActorOpType type;
} MetaSurfaceActorOp;
typedef struct {
MetaSurfaceActorOpType type;
ClutterActor *subsurface;
int32_t x;
int32_t y;
} MetaSurfaceActorOp_SetPosition;
typedef struct {
MetaSurfaceActorOpType type;
ClutterActor *subsurface;
ClutterActor *sibling;
} MetaSurfaceActorOp_Stack;
void
meta_surface_actor_subsurface_set_position (MetaSurfaceActor *self,
MetaSurfaceActor *subsurface,
int32_t x,
int32_t y)
{
MetaSurfaceActorPrivate *priv = self->priv;
MetaSurfaceActorOp_SetPosition *op = g_slice_new0 (MetaSurfaceActorOp_SetPosition);
op->type = OP_SET_POSITION;
op->subsurface = CLUTTER_ACTOR (subsurface);
op->x = x;
op->y = y;
priv->ops = g_slist_append (priv->ops, op);
}
static void
meta_surface_actor_stack_op (MetaSurfaceActor *self,
MetaSurfaceActorOpType type,
MetaSurfaceActor *subsurface,
MetaSurfaceActor *sibling)
{
MetaSurfaceActorPrivate *priv = self->priv;
MetaSurfaceActorOp_Stack *op = g_slice_new0 (MetaSurfaceActorOp_Stack);
op->type = type;
op->subsurface = CLUTTER_ACTOR (subsurface);
op->sibling = CLUTTER_ACTOR (sibling);
priv->ops = g_slist_append (priv->ops, op);
}
void
meta_surface_actor_subsurface_place_above (MetaSurfaceActor *self,
MetaSurfaceActor *subsurface,
MetaSurfaceActor *sibling)
{
meta_surface_actor_stack_op (self, OP_PLACE_ABOVE, subsurface, sibling);
}
void
meta_surface_actor_subsurface_place_below (MetaSurfaceActor *self,
MetaSurfaceActor *subsurface,
MetaSurfaceActor *sibling)
{
meta_surface_actor_stack_op (self, OP_PLACE_BELOW, subsurface, sibling);
}
static void
meta_surface_actor_do_op (MetaSurfaceActor *self,
MetaSurfaceActorOp *op)
{
MetaSurfaceActorOp_SetPosition *op_pos = (MetaSurfaceActorOp_SetPosition *) op;
MetaSurfaceActorOp_Stack *op_stack = (MetaSurfaceActorOp_Stack *) op;
switch (op->type)
{
case OP_SET_POSITION:
clutter_actor_set_position (op_pos->subsurface, op_pos->x, op_pos->y);
break;
case OP_PLACE_ABOVE:
clutter_actor_set_child_above_sibling (CLUTTER_ACTOR (self), op_stack->subsurface, op_stack->sibling);
break;
case OP_PLACE_BELOW:
clutter_actor_set_child_below_sibling (CLUTTER_ACTOR (self), op_stack->subsurface, op_stack->sibling);
break;
}
}
static void
meta_surface_actor_op_free (MetaSurfaceActorOp *op)
{
g_slice_free (MetaSurfaceActorOp, op);
}
static void
meta_surface_actor_free_ops (MetaSurfaceActor *self)
{
MetaSurfaceActorPrivate *priv = self->priv;
g_slist_free_full (priv->ops, (GDestroyNotify) meta_surface_actor_op_free);
priv->ops = NULL;
}
static void
meta_surface_actor_do_ops (MetaSurfaceActor *self)
{
MetaSurfaceActorPrivate *priv = self->priv;
GSList *l;
for (l = priv->ops; l; l = l->next)
meta_surface_actor_do_op (self, ((MetaSurfaceActorOp *) l->data));
}
void
meta_surface_actor_commit (MetaSurfaceActor *self)
{
meta_surface_actor_do_ops (self);
}

12
src/compositor/meta-surface-actor.h
View File

@ -62,6 +62,18 @@ void meta_surface_actor_set_input_region (MetaSurfaceActor *self,
void meta_surface_actor_set_opaque_region (MetaSurfaceActor *self,
cairo_region_t *region);
void meta_surface_actor_subsurface_set_position (MetaSurfaceActor *self,
MetaSurfaceActor *subsurface,
int32_t x,
int32_t y);
void meta_surface_actor_subsurface_place_above (MetaSurfaceActor *self,
MetaSurfaceActor *subsurface,
MetaSurfaceActor *sibling);
void meta_surface_actor_subsurface_place_below (MetaSurfaceActor *self,
MetaSurfaceActor *subsurface,
MetaSurfaceActor *sibling);
void meta_surface_actor_commit (MetaSurfaceActor *self);
G_END_DECLS
#endif /* META_SURFACE_ACTOR_PRIVATE_H */

24
src/wayland/meta-wayland-surface.c
View File

@ -339,6 +339,8 @@ meta_wayland_surface_commit (struct wl_client *client,
compositor = surface->compositor;
meta_surface_actor_commit (surface->surface_actor);
if (surface == compositor->seat->sprite)
cursor_surface_commit (surface);
else if (surface->window)
@ -1010,6 +1012,12 @@ wl_subsurface_destroy (struct wl_client *client,
wl_resource_destroy (resource);
}
static MetaSurfaceActor *
get_parent (MetaWaylandSurface *surface)
{
return META_SURFACE_ACTOR (clutter_actor_get_parent (CLUTTER_ACTOR (surface->surface_actor)));
}
static void
wl_subsurface_set_position (struct wl_client *client,
struct wl_resource *resource,
@ -1019,7 +1027,7 @@ wl_subsurface_set_position (struct wl_client *client,
MetaWaylandSurfaceExtension *subsurface = wl_resource_get_user_data (resource);
MetaWaylandSurface *surface = wl_container_of (subsurface, surface, subsurface);
clutter_actor_set_position (CLUTTER_ACTOR (surface->surface_actor), x, y);
meta_surface_actor_subsurface_set_position (get_parent (surface), surface->surface_actor, x, y);
}
static void
@ -1027,16 +1035,11 @@ wl_subsurface_place_above (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *sibling_resource)
{
ClutterActor *parent_actor;
MetaWaylandSurfaceExtension *subsurface = wl_resource_get_user_data (resource);
MetaWaylandSurface *surface = wl_container_of (subsurface, surface, subsurface);
MetaWaylandSurface *sibling = wl_resource_get_user_data (sibling_resource);
parent_actor = clutter_actor_get_parent (CLUTTER_ACTOR (surface->surface_actor));
clutter_actor_set_child_above_sibling (parent_actor,
CLUTTER_ACTOR (surface->surface_actor),
CLUTTER_ACTOR (sibling->surface_actor));
meta_surface_actor_subsurface_place_above (get_parent (surface), surface->surface_actor, sibling->surface_actor);
}
static void
@ -1044,16 +1047,11 @@ wl_subsurface_place_below (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *sibling_resource)
{
ClutterActor *parent_actor;
MetaWaylandSurfaceExtension *subsurface = wl_resource_get_user_data (resource);
MetaWaylandSurface *surface = wl_container_of (subsurface, surface, subsurface);
MetaWaylandSurface *sibling = wl_resource_get_user_data (sibling_resource);
parent_actor = clutter_actor_get_parent (CLUTTER_ACTOR (surface->surface_actor));
clutter_actor_set_child_below_sibling (parent_actor,
CLUTTER_ACTOR (surface->surface_actor),
CLUTTER_ACTOR (sibling->surface_actor));
meta_surface_actor_subsurface_place_below (get_parent (surface), surface->surface_actor, sibling->surface_actor);
}
static void