mutter/src/compositor/meta-window-actor-wayland.c

555 lines
18 KiB
C

/*
* Copyright (C) 2018 Endless, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Written by:
* Georges Basile Stavracas Neto <gbsneto@gnome.org>
*/
#include "config.h"
#include "compositor/clutter-utils.h"
#include "compositor/meta-cullable.h"
#include "compositor/meta-surface-actor-wayland.h"
#include "compositor/meta-window-actor-wayland.h"
#include "compositor/region-utils.h"
#include "meta/meta-window-actor.h"
#include "wayland/meta-wayland-surface.h"
#include "wayland/meta-window-wayland.h"
struct _MetaSurfaceContainerActorWayland
{
ClutterActor parent;
MetaWindowActor *window_actor;
};
static void surface_container_cullable_iface_init (MetaCullableInterface *iface);
G_DEFINE_TYPE_WITH_CODE (MetaSurfaceContainerActorWayland,
meta_surface_container_actor_wayland,
CLUTTER_TYPE_ACTOR,
G_IMPLEMENT_INTERFACE (META_TYPE_CULLABLE,
surface_container_cullable_iface_init))
struct _MetaWindowActorWayland
{
MetaWindowActor parent;
ClutterActor *background;
MetaSurfaceContainerActorWayland *surface_container;
};
static void cullable_iface_init (MetaCullableInterface *iface);
G_DEFINE_TYPE_WITH_CODE (MetaWindowActorWayland, meta_window_actor_wayland,
META_TYPE_WINDOW_ACTOR,
G_IMPLEMENT_INTERFACE (META_TYPE_CULLABLE,
cullable_iface_init))
typedef struct _SurfaceTreeTraverseData
{
ClutterActor *surface_container;
int index;
} SurfaceTreeTraverseData;
static MetaSurfaceContainerActorWayland *
surface_container_new (MetaWindowActor *window_actor)
{
MetaSurfaceContainerActorWayland *surface_container;
surface_container = g_object_new (META_TYPE_SURFACE_CONTAINER_ACTOR_WAYLAND,
NULL);
surface_container->window_actor = window_actor;
return surface_container;
}
static void
surface_container_cull_out (MetaCullable *cullable,
cairo_region_t *unobscured_region,
cairo_region_t *clip_region)
{
meta_cullable_cull_out_children (cullable, unobscured_region, clip_region);
}
static gboolean
surface_container_is_untransformed (MetaCullable *cullable)
{
MetaSurfaceContainerActorWayland *surface_container =
META_SURFACE_CONTAINER_ACTOR_WAYLAND (cullable);
ClutterActor *actor = CLUTTER_ACTOR (cullable);
MetaWindowActor *window_actor;
float width, height;
graphene_point3d_t verts[4];
int geometry_scale;
clutter_actor_get_size (actor, &width, &height);
clutter_actor_get_abs_allocation_vertices (actor, verts);
window_actor = surface_container->window_actor;
geometry_scale = meta_window_actor_get_geometry_scale (window_actor);
return meta_actor_vertices_are_untransformed (verts,
width * geometry_scale,
height * geometry_scale,
NULL);
}
static void
surface_container_reset_culling (MetaCullable *cullable)
{
meta_cullable_reset_culling_children (cullable);
}
static void
surface_container_cullable_iface_init (MetaCullableInterface *iface)
{
iface->cull_out = surface_container_cull_out;
iface->is_untransformed = surface_container_is_untransformed;
iface->reset_culling = surface_container_reset_culling;
}
static void
surface_container_dispose (GObject *object)
{
MetaSurfaceContainerActorWayland *self = META_SURFACE_CONTAINER_ACTOR_WAYLAND (object);
clutter_actor_remove_all_children (CLUTTER_ACTOR (self));
G_OBJECT_CLASS (meta_surface_container_actor_wayland_parent_class)->dispose (object);
}
static void
meta_surface_container_actor_wayland_class_init (MetaSurfaceContainerActorWaylandClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = surface_container_dispose;
}
static void
meta_surface_container_actor_wayland_init (MetaSurfaceContainerActorWayland *self)
{
}
static gboolean
get_surface_actor_list (GNode *node,
gpointer data)
{
MetaWaylandSurface *surface = node->data;
MetaSurfaceActor *surface_actor = meta_wayland_surface_get_actor (surface);
GList **surface_actors = data;
*surface_actors = g_list_prepend (*surface_actors, surface_actor);
return FALSE;
}
static gboolean
set_surface_actor_index (GNode *node,
gpointer data)
{
MetaWaylandSurface *surface = node->data;
SurfaceTreeTraverseData *traverse_data = data;
ClutterActor *container = traverse_data->surface_container;
ClutterActor *surface_actor =
CLUTTER_ACTOR (meta_wayland_surface_get_actor (surface));
if (clutter_actor_contains (container, surface_actor))
{
if (clutter_actor_get_child_at_index (container, traverse_data->index) !=
surface_actor)
{
clutter_actor_set_child_at_index (container,
surface_actor,
traverse_data->index);
}
}
else
{
clutter_actor_insert_child_at_index (container,
surface_actor,
traverse_data->index);
}
traverse_data->index++;
return FALSE;
}
void
meta_window_actor_wayland_rebuild_surface_tree (MetaWindowActor *actor)
{
MetaWindowActorWayland *self = META_WINDOW_ACTOR_WAYLAND (actor);
MetaSurfaceActor *surface_actor =
meta_window_actor_get_surface (actor);
MetaWaylandSurface *surface = meta_surface_actor_wayland_get_surface (
META_SURFACE_ACTOR_WAYLAND (surface_actor));
GNode *root_node = surface->output_state.subsurface_branch_node;
g_autoptr (GList) surface_actors = NULL;
g_autoptr (GList) children = NULL;
GList *l;
SurfaceTreeTraverseData traverse_data;
g_node_traverse (root_node,
G_IN_ORDER,
G_TRAVERSE_LEAVES,
-1,
get_surface_actor_list,
&surface_actors);
children =
clutter_actor_get_children (CLUTTER_ACTOR (self->surface_container));
for (l = children; l; l = l->next)
{
ClutterActor *child_actor = l->data;
if (!g_list_find (surface_actors, child_actor))
{
clutter_actor_remove_child (CLUTTER_ACTOR (self->surface_container),
child_actor);
}
}
traverse_data = (SurfaceTreeTraverseData) {
.surface_container = CLUTTER_ACTOR (self->surface_container),
.index = 0,
};
g_node_traverse (root_node,
G_IN_ORDER,
G_TRAVERSE_LEAVES,
-1,
set_surface_actor_index,
&traverse_data);
}
static cairo_region_t *
calculate_background_cull_region (MetaWindowActorWayland *self)
{
MetaWindowActor *window_actor = META_WINDOW_ACTOR (self);
int geometry_scale;
cairo_rectangle_int_t rect;
geometry_scale = meta_window_actor_get_geometry_scale (window_actor);
rect = (cairo_rectangle_int_t) {
.x = 0,
.y = 0,
.width = clutter_actor_get_width (self->background) * geometry_scale,
.height = clutter_actor_get_height (self->background) * geometry_scale,
};
return cairo_region_create_rectangle (&rect);
}
static void
meta_window_actor_wayland_cull_out (MetaCullable *cullable,
cairo_region_t *unobscured_region,
cairo_region_t *clip_region)
{
MetaWindowActorWayland *self =
META_WINDOW_ACTOR_WAYLAND (cullable);
meta_cullable_cull_out_children (META_CULLABLE (self),
unobscured_region,
clip_region);
if (self->background)
{
cairo_region_t *background_cull_region;
background_cull_region = calculate_background_cull_region (self);
if (unobscured_region)
cairo_region_subtract (unobscured_region, background_cull_region);
if (clip_region)
cairo_region_subtract (clip_region, background_cull_region);
cairo_region_destroy (background_cull_region);
}
}
static void
meta_window_actor_wayland_reset_culling (MetaCullable *cullable)
{
meta_cullable_reset_culling_children (cullable);
}
static void
cullable_iface_init (MetaCullableInterface *iface)
{
iface->cull_out = meta_window_actor_wayland_cull_out;
iface->reset_culling = meta_window_actor_wayland_reset_culling;
}
static MetaSurfaceActor *
meta_window_actor_wayland_get_scanout_candidate (MetaWindowActor *actor)
{
MetaWindowActorWayland *self = META_WINDOW_ACTOR_WAYLAND (actor);
ClutterActor *surface_container = CLUTTER_ACTOR (self->surface_container);
ClutterActor *child_actor;
ClutterActorIter iter;
MetaSurfaceActor *topmost_surface_actor = NULL;
MetaWindow *window;
int n_mapped_surfaces = 0;
if (clutter_actor_get_last_child (CLUTTER_ACTOR (self)) != surface_container)
{
meta_topic (META_DEBUG_RENDER,
"Top child of window-actor not a surface");
return NULL;
}
clutter_actor_iter_init (&iter, surface_container);
while (clutter_actor_iter_next (&iter, &child_actor))
{
if (!clutter_actor_is_mapped (child_actor))
continue;
topmost_surface_actor = META_SURFACE_ACTOR (child_actor);
n_mapped_surfaces++;
}
if (!topmost_surface_actor)
{
meta_topic (META_DEBUG_RENDER,
"No surface-actor for window-actor");
return NULL;
}
window = meta_window_actor_get_meta_window (actor);
if (!meta_surface_actor_is_opaque (topmost_surface_actor) &&
!(meta_window_is_fullscreen (window) && n_mapped_surfaces == 1))
{
meta_topic (META_DEBUG_RENDER,
"Window-actor is not opaque");
return NULL;
}
return topmost_surface_actor;
}
static void
meta_window_actor_wayland_assign_surface_actor (MetaWindowActor *actor,
MetaSurfaceActor *surface_actor)
{
MetaWindowActorClass *parent_class =
META_WINDOW_ACTOR_CLASS (meta_window_actor_wayland_parent_class);
g_warn_if_fail (!meta_window_actor_get_surface (actor));
parent_class->assign_surface_actor (actor, surface_actor);
meta_window_actor_wayland_rebuild_surface_tree (actor);
}
static void
meta_window_actor_wayland_frame_complete (MetaWindowActor *actor,
ClutterFrameInfo *frame_info,
int64_t presentation_time)
{
}
static void
meta_window_actor_wayland_queue_frame_drawn (MetaWindowActor *actor,
gboolean skip_sync_delay)
{
}
static void
meta_window_actor_wayland_before_paint (MetaWindowActor *actor,
ClutterStageView *stage_view)
{
}
static void
meta_window_actor_wayland_after_paint (MetaWindowActor *actor,
ClutterStageView *stage_view)
{
}
static void
meta_window_actor_wayland_queue_destroy (MetaWindowActor *actor)
{
}
static void
meta_window_actor_wayland_set_frozen (MetaWindowActor *actor,
gboolean frozen)
{
MetaWindowActorWayland *self = META_WINDOW_ACTOR_WAYLAND (actor);
ClutterActor *child;
ClutterActorIter iter;
clutter_actor_iter_init (&iter, CLUTTER_ACTOR (self->surface_container));
while (clutter_actor_iter_next (&iter, &child))
meta_surface_actor_set_frozen (META_SURFACE_ACTOR (child), frozen);
}
static void
meta_window_actor_wayland_update_regions (MetaWindowActor *actor)
{
}
static gboolean
meta_window_actor_wayland_can_freeze_commits (MetaWindowActor *actor)
{
return FALSE;
}
static gboolean
meta_window_actor_wayland_is_single_surface_actor (MetaWindowActor *actor)
{
MetaWindowActorWayland *self = META_WINDOW_ACTOR_WAYLAND (actor);
ClutterActor *surface_container = CLUTTER_ACTOR (self->surface_container);
return clutter_actor_get_n_children (surface_container) == 1 &&
!self->background;
}
static gboolean
maybe_configure_black_background (MetaWindowActorWayland *self,
float *surfaces_width,
float *surfaces_height,
float *background_width,
float *background_height)
{
MetaWindowActor *window_actor = META_WINDOW_ACTOR (self);
MetaWindow *window = meta_window_actor_get_meta_window (window_actor);
MetaLogicalMonitor *logical_monitor;
int geometry_scale;
MetaRectangle fullscreen_layout;
ClutterActor *child;
ClutterActorIter iter;
float max_width = 0;
float max_height = 0;
if (!meta_window_wayland_is_acked_fullscreen (META_WINDOW_WAYLAND (window)))
return FALSE;
geometry_scale = meta_window_actor_get_geometry_scale (window_actor);
logical_monitor = meta_window_get_main_logical_monitor (window);
if (!logical_monitor)
return FALSE;
fullscreen_layout = meta_logical_monitor_get_layout (logical_monitor);
clutter_actor_iter_init (&iter, CLUTTER_ACTOR (self->surface_container));
while (clutter_actor_iter_next (&iter, &child))
{
float child_width, child_height;
clutter_actor_get_size (child, &child_width, &child_height);
if (META_IS_SURFACE_ACTOR (child) &&
meta_surface_actor_is_opaque (META_SURFACE_ACTOR (child)) &&
G_APPROX_VALUE (clutter_actor_get_x (child), 0,
CLUTTER_COORDINATE_EPSILON) &&
G_APPROX_VALUE (clutter_actor_get_y (child), 0,
CLUTTER_COORDINATE_EPSILON) &&
G_APPROX_VALUE (child_width, fullscreen_layout.width,
CLUTTER_COORDINATE_EPSILON) &&
G_APPROX_VALUE (child_height, fullscreen_layout.height,
CLUTTER_COORDINATE_EPSILON))
return FALSE;
max_width = MAX (max_width, child_width);
max_height = MAX (max_height, child_height);
}
*surfaces_width = max_width;
*surfaces_height = max_height;
*background_width = window->rect.width / geometry_scale;
*background_height = window->rect.height / geometry_scale;
return TRUE;
}
static void
meta_window_actor_wayland_sync_geometry (MetaWindowActor *actor,
const MetaRectangle *actor_rect)
{
MetaWindowActorWayland *self = META_WINDOW_ACTOR_WAYLAND (actor);
ClutterActor *surface_container = CLUTTER_ACTOR (self->surface_container);
MetaWindow *window;
float surfaces_width, surfaces_height;
float background_width, background_height;
window = meta_window_actor_get_meta_window (actor);
if (window->unmanaging)
return;
if (maybe_configure_black_background (self,
&surfaces_width, &surfaces_height,
&background_width, &background_height))
{
int geometry_scale;
int child_actor_width, child_actor_height;
if (!self->background)
{
self->background = clutter_actor_new ();
clutter_actor_set_background_color (self->background,
CLUTTER_COLOR_Black);
clutter_actor_set_reactive (self->background, TRUE);
clutter_actor_insert_child_below (CLUTTER_ACTOR (self),
self->background,
NULL);
}
geometry_scale =
meta_window_actor_get_geometry_scale (actor);
child_actor_width = actor_rect->width / geometry_scale;
child_actor_height = actor_rect->height / geometry_scale;
clutter_actor_set_size (self->background,
background_width, background_height);
clutter_actor_set_position (surface_container,
(child_actor_width - surfaces_width) / 2,
(child_actor_height - surfaces_height) / 2);
}
else if (self->background)
{
clutter_actor_set_position (surface_container, 0, 0);
g_clear_pointer (&self->background, clutter_actor_destroy);
}
}
static void
meta_window_actor_wayland_class_init (MetaWindowActorWaylandClass *klass)
{
MetaWindowActorClass *window_actor_class = META_WINDOW_ACTOR_CLASS (klass);
window_actor_class->get_scanout_candidate = meta_window_actor_wayland_get_scanout_candidate;
window_actor_class->assign_surface_actor = meta_window_actor_wayland_assign_surface_actor;
window_actor_class->frame_complete = meta_window_actor_wayland_frame_complete;
window_actor_class->queue_frame_drawn = meta_window_actor_wayland_queue_frame_drawn;
window_actor_class->before_paint = meta_window_actor_wayland_before_paint;
window_actor_class->after_paint = meta_window_actor_wayland_after_paint;
window_actor_class->queue_destroy = meta_window_actor_wayland_queue_destroy;
window_actor_class->set_frozen = meta_window_actor_wayland_set_frozen;
window_actor_class->update_regions = meta_window_actor_wayland_update_regions;
window_actor_class->can_freeze_commits = meta_window_actor_wayland_can_freeze_commits;
window_actor_class->sync_geometry = meta_window_actor_wayland_sync_geometry;
window_actor_class->is_single_surface_actor = meta_window_actor_wayland_is_single_surface_actor;
}
static void
meta_window_actor_wayland_init (MetaWindowActorWayland *self)
{
self->surface_container = surface_container_new (META_WINDOW_ACTOR (self));
clutter_actor_add_child (CLUTTER_ACTOR (self),
CLUTTER_ACTOR (self->surface_container));
}