static void
detach_pixmap (MetaSurfaceActorX11 *self)
{
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
MetaDisplay *display = priv->display;
Display *xdisplay = meta_display_get_xdisplay (display);
MetaShapedTexture *stex = meta_surface_actor_get_texture (META_SURFACE_ACTOR (self));
if (priv->pixmap == None)
return;
/* Get rid of all references to the pixmap before freeing it; it's unclear whether
* you are supposed to be able to free a GLXPixmap after freeing the underlying
* pixmap, but it certainly doesn't work with current DRI/Mesa
*/
meta_shaped_texture_set_texture (stex, NULL);
cogl_flush ();
meta_error_trap_push (display);
XFreePixmap (xdisplay, priv->pixmap);
priv->pixmap = None;
meta_error_trap_pop (display);
cogl_object_unref (priv->texture);
priv->texture = NULL;
}
static gboolean
meta_surface_actor_x11_is_opaque (MetaSurfaceActor *actor)
{
MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor);
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
/* If we're not ARGB32, then we're opaque. */
if (!meta_surface_actor_is_argb32 (actor))
return TRUE;
cairo_region_t *opaque_region = meta_surface_actor_get_opaque_region (actor);
/* If we have no opaque region, then no pixels are opaque. */
if (!opaque_region)
return FALSE;
MetaWindow *window = priv->window;
cairo_rectangle_int_t client_area;
meta_window_get_client_area_rect (window, &client_area);
/* Otherwise, check if our opaque region covers our entire surface. */
if (cairo_region_contains_rectangle (opaque_region, &client_area) == CAIRO_REGION_OVERLAP_IN)
return TRUE;
return FALSE;
}
static gboolean
meta_surface_actor_x11_should_unredirect (MetaSurfaceActor *actor)
{
MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor);
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
MetaWindow *window = priv->window;
if (meta_window_requested_dont_bypass_compositor (window))
return FALSE;
if (window->opacity != 0xFF)
return FALSE;
if (window->shape_region != NULL)
return FALSE;
if (meta_surface_actor_is_argb32 (actor) && !meta_window_requested_bypass_compositor (window))
return FALSE;
if (!meta_window_is_monitor_sized (window))
return FALSE;
if (meta_window_requested_bypass_compositor (window))
return TRUE;
if (meta_window_is_override_redirect (window))
return TRUE;
if (priv->does_full_damage)
return TRUE;
return FALSE;
}
static MetaWindow *
meta_surface_actor_x11_get_window (MetaSurfaceActor *actor)
{
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (META_SURFACE_ACTOR_X11 (actor));
return priv->window;
}
static void
meta_surface_actor_x11_process_damage (MetaSurfaceActor *actor,
int x, int y, int width, int height)
{
MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor);
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
priv->received_damage = TRUE;
if (meta_window_is_fullscreen (priv->window) && !priv->unredirected && !priv->does_full_damage)
{
MetaRectangle window_rect;
meta_window_get_frame_rect (priv->window, &window_rect);
if (x == 0 &&
y == 0 &&
window_rect.width == width &&
window_rect.height == height)
priv->full_damage_frames_count++;
else
priv->full_damage_frames_count = 0;
if (priv->full_damage_frames_count >= 100)
priv->does_full_damage = TRUE;
}
if (!is_visible (self))
return;
cogl_texture_pixmap_x11_update_area (priv->texture, x, y, width, height);
}
static void
meta_surface_actor_x11_init (MetaSurfaceActorX11 *self)
{
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
priv->last_width = -1;
priv->last_height = -1;
}
static gboolean
meta_surface_actor_x11_is_unredirected (MetaSurfaceActor *actor)
{
MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor);
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
return priv->unredirected;
}
static void
create_damage (MetaSurfaceActorX11 *self)
{
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
Display *xdisplay = meta_display_get_xdisplay (priv->display);
Window xwindow = meta_window_x11_get_toplevel_xwindow (priv->window);
priv->damage = XDamageCreate (xdisplay, xwindow, XDamageReportBoundingBox);
}
static void
meta_surface_actor_x11_set_unredirected (MetaSurfaceActor *actor,
gboolean unredirected)
{
MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor);
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
if (priv->unredirected == unredirected)
return;
priv->unredirected = unredirected;
sync_unredirected (self);
}
static void
free_damage (MetaSurfaceActorX11 *self)
{
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
MetaDisplay *display = priv->display;
Display *xdisplay = meta_display_get_xdisplay (display);
if (priv->damage == None)
return;
meta_error_trap_push (display);
XDamageDestroy (xdisplay, priv->damage);
priv->damage = None;
meta_error_trap_pop (display);
}
void
meta_surface_actor_x11_set_size (MetaSurfaceActorX11 *self,
int width, int height)
{
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
MetaShapedTexture *stex = meta_surface_actor_get_texture (META_SURFACE_ACTOR (self));
if (priv->last_width == width &&
priv->last_height == height)
return;
priv->size_changed = TRUE;
priv->last_width = width;
priv->last_height = height;
meta_shaped_texture_set_fallback_size (stex, width, height);
}
static void
meta_surface_actor_x11_pre_paint (MetaSurfaceActor *actor)
{
MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (actor);
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
MetaDisplay *display = priv->display;
Display *xdisplay = meta_display_get_xdisplay (display);
if (priv->received_damage)
{
meta_error_trap_push (display);
XDamageSubtract (xdisplay, priv->damage, None, None);
meta_error_trap_pop (display);
priv->received_damage = FALSE;
}
update_pixmap (self);
}
static void
update_pixmap (MetaSurfaceActorX11 *self)
{
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
MetaDisplay *display = priv->display;
Display *xdisplay = meta_display_get_xdisplay (display);
if (priv->size_changed)
{
detach_pixmap (self);
priv->size_changed = FALSE;
}
if (priv->pixmap == None)
{
Pixmap new_pixmap;
Window xwindow = meta_window_x11_get_toplevel_xwindow (priv->window);
meta_error_trap_push (display);
new_pixmap = XCompositeNameWindowPixmap (xdisplay, xwindow);
if (meta_error_trap_pop_with_return (display) != Success)
{
/* Probably a BadMatch if the window isn't viewable; we could
* GrabServer/GetWindowAttributes/NameWindowPixmap/UngrabServer/Sync
* to avoid this, but there's no reason to take two round trips
* when one will do. (We need that Sync if we want to handle failures
* for any reason other than !viewable. That's unlikely, but maybe
* we'll BadAlloc or something.)
*/
new_pixmap = None;
}
if (new_pixmap == None)
{
meta_verbose ("Unable to get named pixmap for %s\n",
meta_window_get_description (priv->window));
return;
}
set_pixmap (self, new_pixmap);
}
}
static void
set_pixmap (MetaSurfaceActorX11 *self,
Pixmap pixmap)
{
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
CoglContext *ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
MetaShapedTexture *stex = meta_surface_actor_get_texture (META_SURFACE_ACTOR (self));
CoglTexture *texture;
g_assert (priv->pixmap == None);
priv->pixmap = pixmap;
texture = COGL_TEXTURE (cogl_texture_pixmap_x11_new (ctx, priv->pixmap, FALSE, NULL));
if (G_UNLIKELY (!cogl_texture_pixmap_x11_is_using_tfp_extension (COGL_TEXTURE_PIXMAP_X11 (texture))))
g_warning ("NOTE: Not using GLX TFP!\n");
priv->texture = texture;
meta_shaped_texture_set_texture (stex, texture);
}
MetaSurfaceActor *
meta_surface_actor_x11_new (MetaWindow *window)
{
MetaSurfaceActorX11 *self = g_object_new (META_TYPE_SURFACE_ACTOR_X11, NULL);
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
MetaDisplay *display = meta_window_get_display (window);
g_assert (!meta_is_wayland_compositor ());
priv->window = window;
priv->display = display;
create_damage (self);
g_signal_connect_object (priv->window, "notify::decorated",
G_CALLBACK (window_decorated_notify), self, 0);
priv->unredirected = FALSE;
sync_unredirected (self);
clutter_actor_set_reactive (CLUTTER_ACTOR (self), TRUE);
return META_SURFACE_ACTOR (self);
}
static void
sync_unredirected (MetaSurfaceActorX11 *self)
{
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
MetaDisplay *display = priv->display;
Display *xdisplay = meta_display_get_xdisplay (display);
Window xwindow = meta_window_x11_get_toplevel_xwindow (priv->window);
meta_error_trap_push (display);
if (priv->unredirected)
{
detach_pixmap (self);
XCompositeUnredirectWindow (xdisplay, xwindow, CompositeRedirectManual);
}
else
{
XCompositeRedirectWindow (xdisplay, xwindow, CompositeRedirectManual);
}
meta_error_trap_pop (display);
}
static gboolean
is_visible (MetaSurfaceActorX11 *self)
{
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
return (priv->pixmap != None) && !priv->unredirected;
}
